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1.05M
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module clk_doubler (
inclk0,
c0);
input inclk0;
output c0;
wire [5:0] sub_wire0;
wire [0:0] sub_wire4 = 1'h0;
wire [0:0] sub_wire1 = sub_wire0[0:0];
wire c0 = sub_wire1;
wire sub_wire2 = inclk0;
wire [1:0] sub_wire3 = {sub_wire4, sub_wire2};
altpll altpll_component (
.inclk (sub_wire3),
.clk (sub_wire0)
// synopsys translate_off
,
.activeclock (),
.areset (),
.clkbad (),
.clkena (),
.clkloss (),
.clkswitch (),
.enable0 (),
.enable1 (),
.extclk (),
.extclkena (),
.fbin (),
.locked (),
.pfdena (),
.pllena (),
.scanaclr (),
.scanclk (),
.scandata (),
.scandataout (),
.scandone (),
.scanread (),
.scanwrite (),
.sclkout0 (),
.sclkout1 ()
// synopsys translate_on
);
defparam
altpll_component.clk0_duty_cycle = 50,
altpll_component.lpm_type = "altpll",
altpll_component.clk0_multiply_by = 2,
altpll_component.inclk0_input_frequency = 15625,
altpll_component.clk0_divide_by = 1,
altpll_component.pll_type = "AUTO",
altpll_component.intended_device_family = "Cyclone",
altpll_component.operation_mode = "NORMAL",
altpll_component.compensate_clock = "CLK0",
altpll_component.clk0_phase_shift = "0";
endmodule
|
module fifo_4k (
data,
wrreq,
rdreq,
rdclk,
wrclk,
aclr,
q,
rdempty,
rdusedw,
wrfull,
wrusedw)/* synthesis synthesis_clearbox = 1 */;
input [15:0] data;
input wrreq;
input rdreq;
input rdclk;
input wrclk;
input aclr;
output [15:0] q;
output rdempty;
output [11:0] rdusedw;
output wrfull;
output [11:0] wrusedw;
endmodule
|
module fifo_4k (
data,
wrreq,
rdreq,
rdclk,
wrclk,
aclr,
q,
rdempty,
rdusedw,
wrfull,
wrusedw)/* synthesis synthesis_clearbox = 1 */;
input [15:0] data;
input wrreq;
input rdreq;
input rdclk;
input wrclk;
input aclr;
output [15:0] q;
output rdempty;
output [11:0] rdusedw;
output wrfull;
output [11:0] wrusedw;
endmodule
|
module tx_chain_hb
(input clock,
input reset,
input enable,
input wire [7:0] interp_rate,
input sample_strobe,
input interpolator_strobe,
input hb_strobe,
input wire [31:0] freq,
input wire [15:0] i_in,
input wire [15:0] q_in,
output wire [15:0] i_out,
output wire [15:0] q_out,
output wire [15:0] debug, output [15:0] hb_i_out
);
assign debug[15:13] = {sample_strobe,hb_strobe,interpolator_strobe};
wire [15:0] bb_i, bb_q;
wire [15:0] hb_i_out, hb_q_out;
halfband_interp hb
(.clock(clock),.reset(reset),.enable(enable),
.strobe_in(interpolator_strobe),.strobe_out(hb_strobe),
.signal_in_i(i_in),.signal_in_q(q_in),
.signal_out_i(hb_i_out),.signal_out_q(hb_q_out),
.debug(debug[12:0]));
cic_interp cic_interp_i
( .clock(clock),.reset(reset),.enable(enable),
.rate(interp_rate),.strobe_in(hb_strobe),.strobe_out(sample_strobe),
.signal_in(hb_i_out),.signal_out(bb_i) );
cic_interp cic_interp_q
( .clock(clock),.reset(reset),.enable(enable),
.rate(interp_rate),.strobe_in(hb_strobe),.strobe_out(sample_strobe),
.signal_in(hb_q_out),.signal_out(bb_q) );
`define NOCORDIC_TX
`ifdef NOCORDIC_TX
assign i_out = bb_i;
assign q_out = bb_q;
`else
wire [31:0] phase;
phase_acc phase_acc_tx
(.clk(clock),.reset(reset),.enable(enable),
.strobe(sample_strobe),.freq(freq),.phase(phase) );
cordic tx_cordic_0
( .clock(clock),.reset(reset),.enable(sample_strobe),
.xi(bb_i),.yi(bb_q),.zi(phase[31:16]),
.xo(i_out),.yo(q_out),.zo() );
`endif
endmodule
|
module ddr3_int_example_top (
// inputs:
clock_source,
global_reset_n,
// outputs:
mem_addr,
mem_ba,
mem_cas_n,
mem_cke,
mem_clk,
mem_clk_n,
mem_cs_n,
mem_dm,
mem_dq,
mem_dqs,
mem_dqsn,
mem_odt,
mem_ras_n,
mem_reset_n,
mem_we_n,
pnf,
pnf_per_byte,
test_complete,
test_status
)
;
output [ 12: 0] mem_addr;
output [ 2: 0] mem_ba;
output mem_cas_n;
output [ 0: 0] mem_cke;
inout [ 0: 0] mem_clk;
inout [ 0: 0] mem_clk_n;
output [ 0: 0] mem_cs_n;
output [ 3: 0] mem_dm;
inout [ 31: 0] mem_dq;
inout [ 3: 0] mem_dqs;
inout [ 3: 0] mem_dqsn;
output [ 0: 0] mem_odt;
output mem_ras_n;
output mem_reset_n;
output mem_we_n;
output pnf;
output [ 15: 0] pnf_per_byte;
output test_complete;
output [ 7: 0] test_status;
input clock_source;
input global_reset_n;
wire [ 0: 0] cs_n;
wire dll_reference_clk_sig;
wire [ 5: 0] dqs_delay_ctrl_export_sig;
wire local_burstbegin_sig;
wire [ 12: 0] mem_addr;
wire mem_aux_full_rate_clk;
wire mem_aux_half_rate_clk;
wire [ 2: 0] mem_ba;
wire mem_cas_n;
wire [ 0: 0] mem_cke;
wire [ 0: 0] mem_clk;
wire [ 0: 0] mem_clk_n;
wire [ 0: 0] mem_cs_n;
wire [ 3: 0] mem_dm;
wire [ 31: 0] mem_dq;
wire [ 3: 0] mem_dqs;
wire [ 3: 0] mem_dqsn;
wire [ 23: 0] mem_local_addr;
wire [ 15: 0] mem_local_be;
wire [ 9: 0] mem_local_col_addr;
wire mem_local_cs_addr;
wire [127: 0] mem_local_rdata;
wire mem_local_rdata_valid;
wire mem_local_read_req;
wire mem_local_ready;
wire [ 5: 0] mem_local_size;
wire [127: 0] mem_local_wdata;
wire mem_local_write_req;
wire [ 0: 0] mem_odt;
wire mem_ras_n;
wire mem_reset_n;
wire mem_we_n;
wire phy_clk;
wire pnf;
wire [ 15: 0] pnf_per_byte;
wire reset_phy_clk_n;
wire test_complete;
wire [ 7: 0] test_status;
wire tie_high;
wire tie_low;
//
//
assign mem_cs_n = cs_n;
//<< END MEGAWIZARD INSERT MODULE
assign tie_high = 1'b1;
assign tie_low = 1'b0;
//<< START MEGAWIZARD INSERT WRAPPER_NAME
ddr3_int ddr3_int_inst
(
.aux_full_rate_clk (mem_aux_full_rate_clk),
.aux_half_rate_clk (mem_aux_half_rate_clk),
.dll_reference_clk (dll_reference_clk_sig),
.dqs_delay_ctrl_export (dqs_delay_ctrl_export_sig),
.global_reset_n (global_reset_n),
.local_address (mem_local_addr),
.local_be (mem_local_be),
.local_burstbegin (local_burstbegin_sig),
.local_init_done (),
.local_rdata (mem_local_rdata),
.local_rdata_valid (mem_local_rdata_valid),
.local_read_req (mem_local_read_req),
.local_ready (mem_local_ready),
.local_refresh_ack (),
.local_size (mem_local_size),
.local_wdata (mem_local_wdata),
.local_wdata_req (),
.local_write_req (mem_local_write_req),
.mem_addr (mem_addr[12 : 0]),
.mem_ba (mem_ba),
.mem_cas_n (mem_cas_n),
.mem_cke (mem_cke),
.mem_clk (mem_clk),
.mem_clk_n (mem_clk_n),
.mem_cs_n (cs_n),
.mem_dm (mem_dm[3 : 0]),
.mem_dq (mem_dq),
.mem_dqs (mem_dqs[3 : 0]),
.mem_dqsn (mem_dqsn[3 : 0]),
.mem_odt (mem_odt),
.mem_ras_n (mem_ras_n),
.mem_reset_n (mem_reset_n),
.mem_we_n (mem_we_n),
.phy_clk (phy_clk),
.pll_ref_clk (clock_source),
.reset_phy_clk_n (reset_phy_clk_n),
.reset_request_n (),
.soft_reset_n (tie_high)
);
//<< END MEGAWIZARD INSERT WRAPPER_NAME
//<< START MEGAWIZARD INSERT CS_ADDR_MAP
//connect up the column address bits, dropping 2 bits from example driver output because of 4:1 data rate
assign mem_local_addr[7 : 0] = mem_local_col_addr[9 : 2];
//<< END MEGAWIZARD INSERT CS_ADDR_MAP
//<< START MEGAWIZARD INSERT EXAMPLE_DRIVER
//Self-test, synthesisable code to exercise the DDR SDRAM Controller
ddr3_int_example_driver driver
(
.clk (phy_clk),
.local_bank_addr (mem_local_addr[23 : 21]),
.local_be (mem_local_be),
.local_burstbegin (local_burstbegin_sig),
.local_col_addr (mem_local_col_addr),
.local_cs_addr (mem_local_cs_addr),
.local_rdata (mem_local_rdata),
.local_rdata_valid (mem_local_rdata_valid),
.local_read_req (mem_local_read_req),
.local_ready (mem_local_ready),
.local_row_addr (mem_local_addr[20 : 8]),
.local_size (mem_local_size),
.local_wdata (mem_local_wdata),
.local_write_req (mem_local_write_req),
.pnf_per_byte (pnf_per_byte[15 : 0]),
.pnf_persist (pnf),
.reset_n (reset_phy_clk_n),
.test_complete (test_complete),
.test_status (test_status)
);
//<< END MEGAWIZARD INSERT EXAMPLE_DRIVER
//<< START MEGAWIZARD INSERT DLL
//<< END MEGAWIZARD INSERT DLL
//<< START MEGAWIZARD INSERT BANK_INFORMATION_EXAMPLE
//<< END MEGAWIZARD INSERT BANK_INFORMATION_EXAMPLE
//<< start europa
endmodule
|
module ddr3_int_example_top (
// inputs:
clock_source,
global_reset_n,
// outputs:
mem_addr,
mem_ba,
mem_cas_n,
mem_cke,
mem_clk,
mem_clk_n,
mem_cs_n,
mem_dm,
mem_dq,
mem_dqs,
mem_dqsn,
mem_odt,
mem_ras_n,
mem_reset_n,
mem_we_n,
pnf,
pnf_per_byte,
test_complete,
test_status
)
;
output [ 12: 0] mem_addr;
output [ 2: 0] mem_ba;
output mem_cas_n;
output [ 0: 0] mem_cke;
inout [ 0: 0] mem_clk;
inout [ 0: 0] mem_clk_n;
output [ 0: 0] mem_cs_n;
output [ 3: 0] mem_dm;
inout [ 31: 0] mem_dq;
inout [ 3: 0] mem_dqs;
inout [ 3: 0] mem_dqsn;
output [ 0: 0] mem_odt;
output mem_ras_n;
output mem_reset_n;
output mem_we_n;
output pnf;
output [ 15: 0] pnf_per_byte;
output test_complete;
output [ 7: 0] test_status;
input clock_source;
input global_reset_n;
wire [ 0: 0] cs_n;
wire dll_reference_clk_sig;
wire [ 5: 0] dqs_delay_ctrl_export_sig;
wire local_burstbegin_sig;
wire [ 12: 0] mem_addr;
wire mem_aux_full_rate_clk;
wire mem_aux_half_rate_clk;
wire [ 2: 0] mem_ba;
wire mem_cas_n;
wire [ 0: 0] mem_cke;
wire [ 0: 0] mem_clk;
wire [ 0: 0] mem_clk_n;
wire [ 0: 0] mem_cs_n;
wire [ 3: 0] mem_dm;
wire [ 31: 0] mem_dq;
wire [ 3: 0] mem_dqs;
wire [ 3: 0] mem_dqsn;
wire [ 23: 0] mem_local_addr;
wire [ 15: 0] mem_local_be;
wire [ 9: 0] mem_local_col_addr;
wire mem_local_cs_addr;
wire [127: 0] mem_local_rdata;
wire mem_local_rdata_valid;
wire mem_local_read_req;
wire mem_local_ready;
wire [ 5: 0] mem_local_size;
wire [127: 0] mem_local_wdata;
wire mem_local_write_req;
wire [ 0: 0] mem_odt;
wire mem_ras_n;
wire mem_reset_n;
wire mem_we_n;
wire phy_clk;
wire pnf;
wire [ 15: 0] pnf_per_byte;
wire reset_phy_clk_n;
wire test_complete;
wire [ 7: 0] test_status;
wire tie_high;
wire tie_low;
//
//
assign mem_cs_n = cs_n;
//<< END MEGAWIZARD INSERT MODULE
assign tie_high = 1'b1;
assign tie_low = 1'b0;
//<< START MEGAWIZARD INSERT WRAPPER_NAME
ddr3_int ddr3_int_inst
(
.aux_full_rate_clk (mem_aux_full_rate_clk),
.aux_half_rate_clk (mem_aux_half_rate_clk),
.dll_reference_clk (dll_reference_clk_sig),
.dqs_delay_ctrl_export (dqs_delay_ctrl_export_sig),
.global_reset_n (global_reset_n),
.local_address (mem_local_addr),
.local_be (mem_local_be),
.local_burstbegin (local_burstbegin_sig),
.local_init_done (),
.local_rdata (mem_local_rdata),
.local_rdata_valid (mem_local_rdata_valid),
.local_read_req (mem_local_read_req),
.local_ready (mem_local_ready),
.local_refresh_ack (),
.local_size (mem_local_size),
.local_wdata (mem_local_wdata),
.local_wdata_req (),
.local_write_req (mem_local_write_req),
.mem_addr (mem_addr[12 : 0]),
.mem_ba (mem_ba),
.mem_cas_n (mem_cas_n),
.mem_cke (mem_cke),
.mem_clk (mem_clk),
.mem_clk_n (mem_clk_n),
.mem_cs_n (cs_n),
.mem_dm (mem_dm[3 : 0]),
.mem_dq (mem_dq),
.mem_dqs (mem_dqs[3 : 0]),
.mem_dqsn (mem_dqsn[3 : 0]),
.mem_odt (mem_odt),
.mem_ras_n (mem_ras_n),
.mem_reset_n (mem_reset_n),
.mem_we_n (mem_we_n),
.phy_clk (phy_clk),
.pll_ref_clk (clock_source),
.reset_phy_clk_n (reset_phy_clk_n),
.reset_request_n (),
.soft_reset_n (tie_high)
);
//<< END MEGAWIZARD INSERT WRAPPER_NAME
//<< START MEGAWIZARD INSERT CS_ADDR_MAP
//connect up the column address bits, dropping 2 bits from example driver output because of 4:1 data rate
assign mem_local_addr[7 : 0] = mem_local_col_addr[9 : 2];
//<< END MEGAWIZARD INSERT CS_ADDR_MAP
//<< START MEGAWIZARD INSERT EXAMPLE_DRIVER
//Self-test, synthesisable code to exercise the DDR SDRAM Controller
ddr3_int_example_driver driver
(
.clk (phy_clk),
.local_bank_addr (mem_local_addr[23 : 21]),
.local_be (mem_local_be),
.local_burstbegin (local_burstbegin_sig),
.local_col_addr (mem_local_col_addr),
.local_cs_addr (mem_local_cs_addr),
.local_rdata (mem_local_rdata),
.local_rdata_valid (mem_local_rdata_valid),
.local_read_req (mem_local_read_req),
.local_ready (mem_local_ready),
.local_row_addr (mem_local_addr[20 : 8]),
.local_size (mem_local_size),
.local_wdata (mem_local_wdata),
.local_write_req (mem_local_write_req),
.pnf_per_byte (pnf_per_byte[15 : 0]),
.pnf_persist (pnf),
.reset_n (reset_phy_clk_n),
.test_complete (test_complete),
.test_status (test_status)
);
//<< END MEGAWIZARD INSERT EXAMPLE_DRIVER
//<< START MEGAWIZARD INSERT DLL
//<< END MEGAWIZARD INSERT DLL
//<< START MEGAWIZARD INSERT BANK_INFORMATION_EXAMPLE
//<< END MEGAWIZARD INSERT BANK_INFORMATION_EXAMPLE
//<< start europa
endmodule
|
module clk_divider(input reset, input wire in_clk,output reg out_clk, input [7:0] ratio);
reg [7:0] counter;
// FIXME maybe should use PLL or switch to double edge version
always @(posedge in_clk or posedge reset)
if(reset)
counter <= #1 8'd0;
else if(counter == 0)
counter <= #1 ratio[7:1] + (ratio[0] & out_clk) - 8'b1;
else
counter <= #1 counter-8'd1;
always @(posedge in_clk or posedge reset)
if(reset)
out_clk <= #1 1'b0;
else if(counter == 0)
out_clk <= #1 ~out_clk;
endmodule
|
module fifo_1c_4k ( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
parameter width = 32;
parameter depth = 4096;
//`define rd_req 0; // Set this to 0 for rd_ack, 1 for rd_req
input [31:0] data;
input wrreq;
input rdreq;
input rdclk;
input wrclk;
input aclr;
output [31:0] q;
output rdfull;
output rdempty;
output [7:0] rdusedw;
output wrfull;
output wrempty;
output [7:0] wrusedw;
reg [width-1:0] mem [0:depth-1];
reg [7:0] rdptr;
reg [7:0] wrptr;
`ifdef rd_req
reg [width-1:0] q;
`else
wire [width-1:0] q;
`endif
reg [7:0] rdusedw;
reg [7:0] wrusedw;
integer i;
always @( aclr)
begin
wrptr <= #1 0;
rdptr <= #1 0;
for(i=0;i<depth;i=i+1)
mem[i] <= #1 0;
end
always @(posedge wrclk)
if(wrreq)
begin
wrptr <= #1 wrptr+1;
mem[wrptr] <= #1 data;
end
always @(posedge rdclk)
if(rdreq)
begin
rdptr <= #1 rdptr+1;
`ifdef rd_req
q <= #1 mem[rdptr];
`endif
end
`ifdef rd_req
`else
assign q = mem[rdptr];
`endif
// Fix these
always @(posedge wrclk)
wrusedw <= #1 wrptr - rdptr;
always @(posedge rdclk)
rdusedw <= #1 wrptr - rdptr;
endmodule
|
module fifo_1c_4k ( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
parameter width = 32;
parameter depth = 4096;
//`define rd_req 0; // Set this to 0 for rd_ack, 1 for rd_req
input [31:0] data;
input wrreq;
input rdreq;
input rdclk;
input wrclk;
input aclr;
output [31:0] q;
output rdfull;
output rdempty;
output [7:0] rdusedw;
output wrfull;
output wrempty;
output [7:0] wrusedw;
reg [width-1:0] mem [0:depth-1];
reg [7:0] rdptr;
reg [7:0] wrptr;
`ifdef rd_req
reg [width-1:0] q;
`else
wire [width-1:0] q;
`endif
reg [7:0] rdusedw;
reg [7:0] wrusedw;
integer i;
always @( aclr)
begin
wrptr <= #1 0;
rdptr <= #1 0;
for(i=0;i<depth;i=i+1)
mem[i] <= #1 0;
end
always @(posedge wrclk)
if(wrreq)
begin
wrptr <= #1 wrptr+1;
mem[wrptr] <= #1 data;
end
always @(posedge rdclk)
if(rdreq)
begin
rdptr <= #1 rdptr+1;
`ifdef rd_req
q <= #1 mem[rdptr];
`endif
end
`ifdef rd_req
`else
assign q = mem[rdptr];
`endif
// Fix these
always @(posedge wrclk)
wrusedw <= #1 wrptr - rdptr;
always @(posedge rdclk)
rdusedw <= #1 wrptr - rdptr;
endmodule
|
module fifo (reset,data,write,wrclk,wr_used,q,read_ack,rdclk,rd_used);
parameter width=32;
parameter depth=10;
input reset; // Asynchronous
input [width-1:0] data;
input write;
input wrclk;
output [depth-1:0] wr_used;
output [width-1:0] q;
input read_ack;
input rdclk;
output [depth-1:0] rd_used;
reg [depth-1:0] read_addr, write_addr,
read_addr_gray, read_addr_gray_sync,
write_addr_gray, write_addr_gray_sync;
// Pseudo-dual-port RAM
dpram #(.depth(10),.width(width),.size(1024))
fifo_ram (.wclk(wrclk),.wdata(data),.waddr(write_addr),.wen(write),
.rclk(rdclk), .rdata(q),.raddr(read_addr) );
wire [depth-1:0] wag,rag;
// Keep track of own side's pointer
always @(posedge wrclk or posedge reset)
if(reset) write_addr <= #1 0;
else if(write) write_addr <= #1 write_addr + 1;
always @(posedge rdclk or posedge reset)
if(reset) read_addr <= #1 0;
else if(read_ack) read_addr <= #1 read_addr + 1;
// Convert own side pointer to gray
bin2gray #(depth) write_b2g (write_addr,wag);
bin2gray #(depth) read_b2g (read_addr,rag);
// Latch it
always @(posedge wrclk or posedge reset)
if(reset) write_addr_gray <= #1 0;
else write_addr_gray <= #1 wag;
always @(posedge rdclk or posedge reset)
if(reset) read_addr_gray <= #1 0;
else read_addr_gray <= #1 rag;
// Send it to other side and latch
always @(posedge wrclk or posedge reset)
if(reset) read_addr_gray_sync <= #1 0;
else read_addr_gray_sync <= #1 read_addr_gray;
always @(posedge rdclk or posedge reset)
if(reset) write_addr_gray_sync <= #1 0;
else write_addr_gray_sync <= #1 write_addr_gray;
wire [depth-1:0] write_addr_sync, read_addr_sync;
// Convert back to binary
gray2bin #(depth) write_g2b (write_addr_gray_sync, write_addr_sync);
gray2bin #(depth) read_g2b (read_addr_gray_sync, read_addr_sync);
assign rd_used = write_addr_sync - read_addr;
assign wr_used = write_addr - read_addr_sync;
endmodule
|
module bin2gray(bin_val,gray_val);
parameter width = 8;
input [width-1:0] bin_val;
output reg [width-1:0] gray_val;
integer i;
always @*
begin
gray_val[width-1] = bin_val[width-1];
for(i=0;i<width-1;i=i+1)
gray_val[i] = bin_val[i] ^ bin_val[i+1];
end
endmodule
|
module gray2bin(gray_val,bin_val);
parameter width = 8;
input [width-1:0] gray_val;
output reg [width-1:0] bin_val;
integer i;
always @*
begin
bin_val[width-1] = gray_val[width-1];
for(i=width-2;i>=0;i=i-1)
bin_val[i] = bin_val[i+1] ^ gray_val[i];
end
endmodule
|
module fifo (reset,data,write,wrclk,wr_used,q,read_ack,rdclk,rd_used);
parameter width=32;
parameter depth=10;
input reset; // Asynchronous
input [width-1:0] data;
input write;
input wrclk;
output [depth-1:0] wr_used;
output [width-1:0] q;
input read_ack;
input rdclk;
output [depth-1:0] rd_used;
reg [depth-1:0] read_addr, write_addr,
read_addr_gray, read_addr_gray_sync,
write_addr_gray, write_addr_gray_sync;
// Pseudo-dual-port RAM
dpram #(.depth(10),.width(width),.size(1024))
fifo_ram (.wclk(wrclk),.wdata(data),.waddr(write_addr),.wen(write),
.rclk(rdclk), .rdata(q),.raddr(read_addr) );
wire [depth-1:0] wag,rag;
// Keep track of own side's pointer
always @(posedge wrclk or posedge reset)
if(reset) write_addr <= #1 0;
else if(write) write_addr <= #1 write_addr + 1;
always @(posedge rdclk or posedge reset)
if(reset) read_addr <= #1 0;
else if(read_ack) read_addr <= #1 read_addr + 1;
// Convert own side pointer to gray
bin2gray #(depth) write_b2g (write_addr,wag);
bin2gray #(depth) read_b2g (read_addr,rag);
// Latch it
always @(posedge wrclk or posedge reset)
if(reset) write_addr_gray <= #1 0;
else write_addr_gray <= #1 wag;
always @(posedge rdclk or posedge reset)
if(reset) read_addr_gray <= #1 0;
else read_addr_gray <= #1 rag;
// Send it to other side and latch
always @(posedge wrclk or posedge reset)
if(reset) read_addr_gray_sync <= #1 0;
else read_addr_gray_sync <= #1 read_addr_gray;
always @(posedge rdclk or posedge reset)
if(reset) write_addr_gray_sync <= #1 0;
else write_addr_gray_sync <= #1 write_addr_gray;
wire [depth-1:0] write_addr_sync, read_addr_sync;
// Convert back to binary
gray2bin #(depth) write_g2b (write_addr_gray_sync, write_addr_sync);
gray2bin #(depth) read_g2b (read_addr_gray_sync, read_addr_sync);
assign rd_used = write_addr_sync - read_addr;
assign wr_used = write_addr - read_addr_sync;
endmodule
|
module bin2gray(bin_val,gray_val);
parameter width = 8;
input [width-1:0] bin_val;
output reg [width-1:0] gray_val;
integer i;
always @*
begin
gray_val[width-1] = bin_val[width-1];
for(i=0;i<width-1;i=i+1)
gray_val[i] = bin_val[i] ^ bin_val[i+1];
end
endmodule
|
module gray2bin(gray_val,bin_val);
parameter width = 8;
input [width-1:0] gray_val;
output reg [width-1:0] bin_val;
integer i;
always @*
begin
bin_val[width-1] = gray_val[width-1];
for(i=width-2;i>=0;i=i-1)
bin_val[i] = bin_val[i+1] ^ gray_val[i];
end
endmodule
|
module gen_sync
( input clock,
input reset,
input enable,
input [7:0] rate,
output wire sync );
// parameter width = 8;
reg [7:0] counter;
assign sync = |(((rate+1)>>1)& counter);
always @(posedge clock)
if(reset || ~enable)
counter <= #1 0;
else if(counter == rate)
counter <= #1 0;
else
counter <= #1 counter + 8'd1;
endmodule
|
module gen_sync
( input clock,
input reset,
input enable,
input [7:0] rate,
output wire sync );
// parameter width = 8;
reg [7:0] counter;
assign sync = |(((rate+1)>>1)& counter);
always @(posedge clock)
if(reset || ~enable)
counter <= #1 0;
else if(counter == rate)
counter <= #1 0;
else
counter <= #1 counter + 8'd1;
endmodule
|
module dspclkpll (
inclk0,
c0,
c1);
input inclk0;
output c0;
output c1;
endmodule
|
module dspclkpll (
inclk0,
c0,
c1);
input inclk0;
output c0;
output c1;
endmodule
|
module addsub16 (
add_sub,
dataa,
datab,
clock,
aclr,
clken,
result)/* synthesis synthesis_clearbox = 1 */;
input add_sub;
input [15:0] dataa;
input [15:0] datab;
input clock;
input aclr;
input clken;
output [15:0] result;
endmodule
|
module add32 (
dataa,
datab,
result)/* synthesis synthesis_clearbox = 1 */;
input [7:0] dataa;
input [7:0] datab;
output [7:0] result;
endmodule
|
module add32 (
dataa,
datab,
result)/* synthesis synthesis_clearbox = 1 */;
input [7:0] dataa;
input [7:0] datab;
output [7:0] result;
endmodule
|
module add32 (
dataa,
datab,
result)/* synthesis synthesis_clearbox = 1 */;
input [7:0] dataa;
input [7:0] datab;
output [7:0] result;
endmodule
|
module add32 (
dataa,
datab,
result)/* synthesis synthesis_clearbox = 1 */;
input [7:0] dataa;
input [7:0] datab;
output [7:0] result;
endmodule
|
module fifo_2k_a_gray2bin_8m4
(
bin,
gray) /* synthesis synthesis_clearbox=1 */;
output [10:0] bin;
input [10:0] gray;
wire xor0;
wire xor1;
wire xor2;
wire xor3;
wire xor4;
wire xor5;
wire xor6;
wire xor7;
wire xor8;
wire xor9;
assign
bin = {gray[10], xor9, xor8, xor7, xor6, xor5, xor4, xor3, xor2, xor1, xor0},
xor0 = (gray[0] ^ xor1),
xor1 = (gray[1] ^ xor2),
xor2 = (gray[2] ^ xor3),
xor3 = (gray[3] ^ xor4),
xor4 = (gray[4] ^ xor5),
xor5 = (gray[5] ^ xor6),
xor6 = (gray[6] ^ xor7),
xor7 = (gray[7] ^ xor8),
xor8 = (gray[8] ^ xor9),
xor9 = (gray[10] ^ gray[9]);
endmodule
|
module fifo_2k_a_graycounter_726
(
aclr,
clock,
cnt_en,
q) /* synthesis synthesis_clearbox=1 */;
input aclr;
input clock;
input cnt_en;
output [10:0] q;
wire [0:0] wire_countera_0cout;
wire [0:0] wire_countera_1cout;
wire [0:0] wire_countera_2cout;
wire [0:0] wire_countera_3cout;
wire [0:0] wire_countera_4cout;
wire [0:0] wire_countera_5cout;
wire [0:0] wire_countera_6cout;
wire [0:0] wire_countera_7cout;
wire [0:0] wire_countera_8cout;
wire [0:0] wire_countera_9cout;
wire [10:0] wire_countera_regout;
wire wire_parity_cout;
wire wire_parity_regout;
wire [10:0] power_modified_counter_values;
wire sclr;
wire updown;
cyclone_lcell countera_0
(
.aclr(aclr),
.cin(wire_parity_cout),
.clk(clock),
.combout(),
.cout(wire_countera_0cout[0:0]),
.dataa(cnt_en),
.datab(wire_countera_regout[0:0]),
.ena(1'b1),
.regout(wire_countera_regout[0:0]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_0.cin_used = "true",
countera_0.lut_mask = "c6a0",
countera_0.operation_mode = "arithmetic",
countera_0.sum_lutc_input = "cin",
countera_0.synch_mode = "on",
countera_0.lpm_type = "cyclone_lcell";
cyclone_lcell countera_1
(
.aclr(aclr),
.cin(wire_countera_0cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_1cout[0:0]),
.dataa(power_modified_counter_values[0]),
.datab(power_modified_counter_values[1]),
.ena(1'b1),
.regout(wire_countera_regout[1:1]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_1.cin_used = "true",
countera_1.lut_mask = "6c50",
countera_1.operation_mode = "arithmetic",
countera_1.sum_lutc_input = "cin",
countera_1.synch_mode = "on",
countera_1.lpm_type = "cyclone_lcell";
cyclone_lcell countera_2
(
.aclr(aclr),
.cin(wire_countera_1cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_2cout[0:0]),
.dataa(power_modified_counter_values[1]),
.datab(power_modified_counter_values[2]),
.ena(1'b1),
.regout(wire_countera_regout[2:2]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_2.cin_used = "true",
countera_2.lut_mask = "6c50",
countera_2.operation_mode = "arithmetic",
countera_2.sum_lutc_input = "cin",
countera_2.synch_mode = "on",
countera_2.lpm_type = "cyclone_lcell";
cyclone_lcell countera_3
(
.aclr(aclr),
.cin(wire_countera_2cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_3cout[0:0]),
.dataa(power_modified_counter_values[2]),
.datab(power_modified_counter_values[3]),
.ena(1'b1),
.regout(wire_countera_regout[3:3]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_3.cin_used = "true",
countera_3.lut_mask = "6c50",
countera_3.operation_mode = "arithmetic",
countera_3.sum_lutc_input = "cin",
countera_3.synch_mode = "on",
countera_3.lpm_type = "cyclone_lcell";
cyclone_lcell countera_4
(
.aclr(aclr),
.cin(wire_countera_3cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_4cout[0:0]),
.dataa(power_modified_counter_values[3]),
.datab(power_modified_counter_values[4]),
.ena(1'b1),
.regout(wire_countera_regout[4:4]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_4.cin_used = "true",
countera_4.lut_mask = "6c50",
countera_4.operation_mode = "arithmetic",
countera_4.sum_lutc_input = "cin",
countera_4.synch_mode = "on",
countera_4.lpm_type = "cyclone_lcell";
cyclone_lcell countera_5
(
.aclr(aclr),
.cin(wire_countera_4cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_5cout[0:0]),
.dataa(power_modified_counter_values[4]),
.datab(power_modified_counter_values[5]),
.ena(1'b1),
.regout(wire_countera_regout[5:5]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_5.cin_used = "true",
countera_5.lut_mask = "6c50",
countera_5.operation_mode = "arithmetic",
countera_5.sum_lutc_input = "cin",
countera_5.synch_mode = "on",
countera_5.lpm_type = "cyclone_lcell";
cyclone_lcell countera_6
(
.aclr(aclr),
.cin(wire_countera_5cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_6cout[0:0]),
.dataa(power_modified_counter_values[5]),
.datab(power_modified_counter_values[6]),
.ena(1'b1),
.regout(wire_countera_regout[6:6]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_6.cin_used = "true",
countera_6.lut_mask = "6c50",
countera_6.operation_mode = "arithmetic",
countera_6.sum_lutc_input = "cin",
countera_6.synch_mode = "on",
countera_6.lpm_type = "cyclone_lcell";
cyclone_lcell countera_7
(
.aclr(aclr),
.cin(wire_countera_6cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_7cout[0:0]),
.dataa(power_modified_counter_values[6]),
.datab(power_modified_counter_values[7]),
.ena(1'b1),
.regout(wire_countera_regout[7:7]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_7.cin_used = "true",
countera_7.lut_mask = "6c50",
countera_7.operation_mode = "arithmetic",
countera_7.sum_lutc_input = "cin",
countera_7.synch_mode = "on",
countera_7.lpm_type = "cyclone_lcell";
cyclone_lcell countera_8
(
.aclr(aclr),
.cin(wire_countera_7cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_8cout[0:0]),
.dataa(power_modified_counter_values[7]),
.datab(power_modified_counter_values[8]),
.ena(1'b1),
.regout(wire_countera_regout[8:8]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_8.cin_used = "true",
countera_8.lut_mask = "6c50",
countera_8.operation_mode = "arithmetic",
countera_8.sum_lutc_input = "cin",
countera_8.synch_mode = "on",
countera_8.lpm_type = "cyclone_lcell";
cyclone_lcell countera_9
(
.aclr(aclr),
.cin(wire_countera_8cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_9cout[0:0]),
.dataa(power_modified_counter_values[8]),
.datab(power_modified_counter_values[9]),
.ena(1'b1),
.regout(wire_countera_regout[9:9]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_9.cin_used = "true",
countera_9.lut_mask = "6c50",
countera_9.operation_mode = "arithmetic",
countera_9.sum_lutc_input = "cin",
countera_9.synch_mode = "on",
countera_9.lpm_type = "cyclone_lcell";
cyclone_lcell countera_10
(
.aclr(aclr),
.cin(wire_countera_9cout[0:0]),
.clk(clock),
.combout(),
.cout(),
.dataa(power_modified_counter_values[10]),
.ena(1'b1),
.regout(wire_countera_regout[10:10]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datab(1'b1),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_10.cin_used = "true",
countera_10.lut_mask = "5a5a",
countera_10.operation_mode = "normal",
countera_10.sum_lutc_input = "cin",
countera_10.synch_mode = "on",
countera_10.lpm_type = "cyclone_lcell";
cyclone_lcell parity
(
.aclr(aclr),
.cin(updown),
.clk(clock),
.combout(),
.cout(wire_parity_cout),
.dataa(cnt_en),
.datab(wire_parity_regout),
.ena(1'b1),
.regout(wire_parity_regout),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
parity.cin_used = "true",
parity.lut_mask = "6682",
parity.operation_mode = "arithmetic",
parity.synch_mode = "on",
parity.lpm_type = "cyclone_lcell";
assign
power_modified_counter_values = {wire_countera_regout[10:0]},
q = power_modified_counter_values,
sclr = 1'b0,
updown = 1'b1;
endmodule
|
module fifo_2k_a_graycounter_2r6
(
aclr,
clock,
cnt_en,
q) /* synthesis synthesis_clearbox=1 */;
input aclr;
input clock;
input cnt_en;
output [10:0] q;
wire [0:0] wire_countera_0cout;
wire [0:0] wire_countera_1cout;
wire [0:0] wire_countera_2cout;
wire [0:0] wire_countera_3cout;
wire [0:0] wire_countera_4cout;
wire [0:0] wire_countera_5cout;
wire [0:0] wire_countera_6cout;
wire [0:0] wire_countera_7cout;
wire [0:0] wire_countera_8cout;
wire [0:0] wire_countera_9cout;
wire [10:0] wire_countera_regout;
wire wire_parity_cout;
wire wire_parity_regout;
wire [10:0] power_modified_counter_values;
wire sclr;
wire updown;
cyclone_lcell countera_0
(
.aclr(aclr),
.cin(wire_parity_cout),
.clk(clock),
.combout(),
.cout(wire_countera_0cout[0:0]),
.dataa(cnt_en),
.datab(wire_countera_regout[0:0]),
.ena(1'b1),
.regout(wire_countera_regout[0:0]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_0.cin_used = "true",
countera_0.lut_mask = "c6a0",
countera_0.operation_mode = "arithmetic",
countera_0.sum_lutc_input = "cin",
countera_0.synch_mode = "on",
countera_0.lpm_type = "cyclone_lcell";
cyclone_lcell countera_1
(
.aclr(aclr),
.cin(wire_countera_0cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_1cout[0:0]),
.dataa(power_modified_counter_values[0]),
.datab(power_modified_counter_values[1]),
.ena(1'b1),
.regout(wire_countera_regout[1:1]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_1.cin_used = "true",
countera_1.lut_mask = "6c50",
countera_1.operation_mode = "arithmetic",
countera_1.sum_lutc_input = "cin",
countera_1.synch_mode = "on",
countera_1.lpm_type = "cyclone_lcell";
cyclone_lcell countera_2
(
.aclr(aclr),
.cin(wire_countera_1cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_2cout[0:0]),
.dataa(power_modified_counter_values[1]),
.datab(power_modified_counter_values[2]),
.ena(1'b1),
.regout(wire_countera_regout[2:2]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_2.cin_used = "true",
countera_2.lut_mask = "6c50",
countera_2.operation_mode = "arithmetic",
countera_2.sum_lutc_input = "cin",
countera_2.synch_mode = "on",
countera_2.lpm_type = "cyclone_lcell";
cyclone_lcell countera_3
(
.aclr(aclr),
.cin(wire_countera_2cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_3cout[0:0]),
.dataa(power_modified_counter_values[2]),
.datab(power_modified_counter_values[3]),
.ena(1'b1),
.regout(wire_countera_regout[3:3]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_3.cin_used = "true",
countera_3.lut_mask = "6c50",
countera_3.operation_mode = "arithmetic",
countera_3.sum_lutc_input = "cin",
countera_3.synch_mode = "on",
countera_3.lpm_type = "cyclone_lcell";
cyclone_lcell countera_4
(
.aclr(aclr),
.cin(wire_countera_3cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_4cout[0:0]),
.dataa(power_modified_counter_values[3]),
.datab(power_modified_counter_values[4]),
.ena(1'b1),
.regout(wire_countera_regout[4:4]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_4.cin_used = "true",
countera_4.lut_mask = "6c50",
countera_4.operation_mode = "arithmetic",
countera_4.sum_lutc_input = "cin",
countera_4.synch_mode = "on",
countera_4.lpm_type = "cyclone_lcell";
cyclone_lcell countera_5
(
.aclr(aclr),
.cin(wire_countera_4cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_5cout[0:0]),
.dataa(power_modified_counter_values[4]),
.datab(power_modified_counter_values[5]),
.ena(1'b1),
.regout(wire_countera_regout[5:5]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_5.cin_used = "true",
countera_5.lut_mask = "6c50",
countera_5.operation_mode = "arithmetic",
countera_5.sum_lutc_input = "cin",
countera_5.synch_mode = "on",
countera_5.lpm_type = "cyclone_lcell";
cyclone_lcell countera_6
(
.aclr(aclr),
.cin(wire_countera_5cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_6cout[0:0]),
.dataa(power_modified_counter_values[5]),
.datab(power_modified_counter_values[6]),
.ena(1'b1),
.regout(wire_countera_regout[6:6]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_6.cin_used = "true",
countera_6.lut_mask = "6c50",
countera_6.operation_mode = "arithmetic",
countera_6.sum_lutc_input = "cin",
countera_6.synch_mode = "on",
countera_6.lpm_type = "cyclone_lcell";
cyclone_lcell countera_7
(
.aclr(aclr),
.cin(wire_countera_6cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_7cout[0:0]),
.dataa(power_modified_counter_values[6]),
.datab(power_modified_counter_values[7]),
.ena(1'b1),
.regout(wire_countera_regout[7:7]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_7.cin_used = "true",
countera_7.lut_mask = "6c50",
countera_7.operation_mode = "arithmetic",
countera_7.sum_lutc_input = "cin",
countera_7.synch_mode = "on",
countera_7.lpm_type = "cyclone_lcell";
cyclone_lcell countera_8
(
.aclr(aclr),
.cin(wire_countera_7cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_8cout[0:0]),
.dataa(power_modified_counter_values[7]),
.datab(power_modified_counter_values[8]),
.ena(1'b1),
.regout(wire_countera_regout[8:8]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_8.cin_used = "true",
countera_8.lut_mask = "6c50",
countera_8.operation_mode = "arithmetic",
countera_8.sum_lutc_input = "cin",
countera_8.synch_mode = "on",
countera_8.lpm_type = "cyclone_lcell";
cyclone_lcell countera_9
(
.aclr(aclr),
.cin(wire_countera_8cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_9cout[0:0]),
.dataa(power_modified_counter_values[8]),
.datab(power_modified_counter_values[9]),
.ena(1'b1),
.regout(wire_countera_regout[9:9]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_9.cin_used = "true",
countera_9.lut_mask = "6c50",
countera_9.operation_mode = "arithmetic",
countera_9.sum_lutc_input = "cin",
countera_9.synch_mode = "on",
countera_9.lpm_type = "cyclone_lcell";
cyclone_lcell countera_10
(
.aclr(aclr),
.cin(wire_countera_9cout[0:0]),
.clk(clock),
.combout(),
.cout(),
.dataa(power_modified_counter_values[10]),
.ena(1'b1),
.regout(wire_countera_regout[10:10]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datab(1'b1),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_10.cin_used = "true",
countera_10.lut_mask = "5a5a",
countera_10.operation_mode = "normal",
countera_10.sum_lutc_input = "cin",
countera_10.synch_mode = "on",
countera_10.lpm_type = "cyclone_lcell";
cyclone_lcell parity
(
.aclr(aclr),
.cin(updown),
.clk(clock),
.combout(),
.cout(wire_parity_cout),
.dataa(cnt_en),
.datab((~ wire_parity_regout)),
.ena(1'b1),
.regout(wire_parity_regout),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
parity.cin_used = "true",
parity.lut_mask = "9982",
parity.operation_mode = "arithmetic",
parity.synch_mode = "on",
parity.lpm_type = "cyclone_lcell";
assign
power_modified_counter_values = {wire_countera_regout[10:1], (~ wire_countera_regout[0])},
q = power_modified_counter_values,
sclr = 1'b0,
updown = 1'b1;
endmodule
|
module fifo_2k_altsyncram_6pl
(
address_a,
address_b,
clock0,
clock1,
clocken1,
data_a,
q_b,
wren_a) /* synthesis synthesis_clearbox=1 */;
input [10:0] address_a;
input [10:0] address_b;
input clock0;
input clock1;
input clocken1;
input [15:0] data_a;
output [15:0] q_b;
input wren_a;
wire [0:0] wire_ram_block3a_0portbdataout;
wire [0:0] wire_ram_block3a_1portbdataout;
wire [0:0] wire_ram_block3a_2portbdataout;
wire [0:0] wire_ram_block3a_3portbdataout;
wire [0:0] wire_ram_block3a_4portbdataout;
wire [0:0] wire_ram_block3a_5portbdataout;
wire [0:0] wire_ram_block3a_6portbdataout;
wire [0:0] wire_ram_block3a_7portbdataout;
wire [0:0] wire_ram_block3a_8portbdataout;
wire [0:0] wire_ram_block3a_9portbdataout;
wire [0:0] wire_ram_block3a_10portbdataout;
wire [0:0] wire_ram_block3a_11portbdataout;
wire [0:0] wire_ram_block3a_12portbdataout;
wire [0:0] wire_ram_block3a_13portbdataout;
wire [0:0] wire_ram_block3a_14portbdataout;
wire [0:0] wire_ram_block3a_15portbdataout;
wire [10:0] address_a_wire;
wire [10:0] address_b_wire;
cyclone_ram_block ram_block3a_0
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[0]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_0portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_0.connectivity_checking = "OFF",
ram_block3a_0.logical_ram_name = "ALTSYNCRAM",
ram_block3a_0.mixed_port_feed_through_mode = "dont_care",
ram_block3a_0.operation_mode = "dual_port",
ram_block3a_0.port_a_address_width = 11,
ram_block3a_0.port_a_data_width = 1,
ram_block3a_0.port_a_first_address = 0,
ram_block3a_0.port_a_first_bit_number = 0,
ram_block3a_0.port_a_last_address = 2047,
ram_block3a_0.port_a_logical_ram_depth = 2048,
ram_block3a_0.port_a_logical_ram_width = 16,
ram_block3a_0.port_b_address_clear = "none",
ram_block3a_0.port_b_address_clock = "clock1",
ram_block3a_0.port_b_address_width = 11,
ram_block3a_0.port_b_data_out_clear = "none",
ram_block3a_0.port_b_data_out_clock = "none",
ram_block3a_0.port_b_data_width = 1,
ram_block3a_0.port_b_first_address = 0,
ram_block3a_0.port_b_first_bit_number = 0,
ram_block3a_0.port_b_last_address = 2047,
ram_block3a_0.port_b_logical_ram_depth = 2048,
ram_block3a_0.port_b_logical_ram_width = 16,
ram_block3a_0.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_0.ram_block_type = "auto",
ram_block3a_0.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_1
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[1]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_1portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_1.connectivity_checking = "OFF",
ram_block3a_1.logical_ram_name = "ALTSYNCRAM",
ram_block3a_1.mixed_port_feed_through_mode = "dont_care",
ram_block3a_1.operation_mode = "dual_port",
ram_block3a_1.port_a_address_width = 11,
ram_block3a_1.port_a_data_width = 1,
ram_block3a_1.port_a_first_address = 0,
ram_block3a_1.port_a_first_bit_number = 1,
ram_block3a_1.port_a_last_address = 2047,
ram_block3a_1.port_a_logical_ram_depth = 2048,
ram_block3a_1.port_a_logical_ram_width = 16,
ram_block3a_1.port_b_address_clear = "none",
ram_block3a_1.port_b_address_clock = "clock1",
ram_block3a_1.port_b_address_width = 11,
ram_block3a_1.port_b_data_out_clear = "none",
ram_block3a_1.port_b_data_out_clock = "none",
ram_block3a_1.port_b_data_width = 1,
ram_block3a_1.port_b_first_address = 0,
ram_block3a_1.port_b_first_bit_number = 1,
ram_block3a_1.port_b_last_address = 2047,
ram_block3a_1.port_b_logical_ram_depth = 2048,
ram_block3a_1.port_b_logical_ram_width = 16,
ram_block3a_1.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_1.ram_block_type = "auto",
ram_block3a_1.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_2
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[2]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_2portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_2.connectivity_checking = "OFF",
ram_block3a_2.logical_ram_name = "ALTSYNCRAM",
ram_block3a_2.mixed_port_feed_through_mode = "dont_care",
ram_block3a_2.operation_mode = "dual_port",
ram_block3a_2.port_a_address_width = 11,
ram_block3a_2.port_a_data_width = 1,
ram_block3a_2.port_a_first_address = 0,
ram_block3a_2.port_a_first_bit_number = 2,
ram_block3a_2.port_a_last_address = 2047,
ram_block3a_2.port_a_logical_ram_depth = 2048,
ram_block3a_2.port_a_logical_ram_width = 16,
ram_block3a_2.port_b_address_clear = "none",
ram_block3a_2.port_b_address_clock = "clock1",
ram_block3a_2.port_b_address_width = 11,
ram_block3a_2.port_b_data_out_clear = "none",
ram_block3a_2.port_b_data_out_clock = "none",
ram_block3a_2.port_b_data_width = 1,
ram_block3a_2.port_b_first_address = 0,
ram_block3a_2.port_b_first_bit_number = 2,
ram_block3a_2.port_b_last_address = 2047,
ram_block3a_2.port_b_logical_ram_depth = 2048,
ram_block3a_2.port_b_logical_ram_width = 16,
ram_block3a_2.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_2.ram_block_type = "auto",
ram_block3a_2.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_3
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[3]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_3portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_3.connectivity_checking = "OFF",
ram_block3a_3.logical_ram_name = "ALTSYNCRAM",
ram_block3a_3.mixed_port_feed_through_mode = "dont_care",
ram_block3a_3.operation_mode = "dual_port",
ram_block3a_3.port_a_address_width = 11,
ram_block3a_3.port_a_data_width = 1,
ram_block3a_3.port_a_first_address = 0,
ram_block3a_3.port_a_first_bit_number = 3,
ram_block3a_3.port_a_last_address = 2047,
ram_block3a_3.port_a_logical_ram_depth = 2048,
ram_block3a_3.port_a_logical_ram_width = 16,
ram_block3a_3.port_b_address_clear = "none",
ram_block3a_3.port_b_address_clock = "clock1",
ram_block3a_3.port_b_address_width = 11,
ram_block3a_3.port_b_data_out_clear = "none",
ram_block3a_3.port_b_data_out_clock = "none",
ram_block3a_3.port_b_data_width = 1,
ram_block3a_3.port_b_first_address = 0,
ram_block3a_3.port_b_first_bit_number = 3,
ram_block3a_3.port_b_last_address = 2047,
ram_block3a_3.port_b_logical_ram_depth = 2048,
ram_block3a_3.port_b_logical_ram_width = 16,
ram_block3a_3.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_3.ram_block_type = "auto",
ram_block3a_3.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_4
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[4]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_4portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_4.connectivity_checking = "OFF",
ram_block3a_4.logical_ram_name = "ALTSYNCRAM",
ram_block3a_4.mixed_port_feed_through_mode = "dont_care",
ram_block3a_4.operation_mode = "dual_port",
ram_block3a_4.port_a_address_width = 11,
ram_block3a_4.port_a_data_width = 1,
ram_block3a_4.port_a_first_address = 0,
ram_block3a_4.port_a_first_bit_number = 4,
ram_block3a_4.port_a_last_address = 2047,
ram_block3a_4.port_a_logical_ram_depth = 2048,
ram_block3a_4.port_a_logical_ram_width = 16,
ram_block3a_4.port_b_address_clear = "none",
ram_block3a_4.port_b_address_clock = "clock1",
ram_block3a_4.port_b_address_width = 11,
ram_block3a_4.port_b_data_out_clear = "none",
ram_block3a_4.port_b_data_out_clock = "none",
ram_block3a_4.port_b_data_width = 1,
ram_block3a_4.port_b_first_address = 0,
ram_block3a_4.port_b_first_bit_number = 4,
ram_block3a_4.port_b_last_address = 2047,
ram_block3a_4.port_b_logical_ram_depth = 2048,
ram_block3a_4.port_b_logical_ram_width = 16,
ram_block3a_4.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_4.ram_block_type = "auto",
ram_block3a_4.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_5
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[5]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_5portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_5.connectivity_checking = "OFF",
ram_block3a_5.logical_ram_name = "ALTSYNCRAM",
ram_block3a_5.mixed_port_feed_through_mode = "dont_care",
ram_block3a_5.operation_mode = "dual_port",
ram_block3a_5.port_a_address_width = 11,
ram_block3a_5.port_a_data_width = 1,
ram_block3a_5.port_a_first_address = 0,
ram_block3a_5.port_a_first_bit_number = 5,
ram_block3a_5.port_a_last_address = 2047,
ram_block3a_5.port_a_logical_ram_depth = 2048,
ram_block3a_5.port_a_logical_ram_width = 16,
ram_block3a_5.port_b_address_clear = "none",
ram_block3a_5.port_b_address_clock = "clock1",
ram_block3a_5.port_b_address_width = 11,
ram_block3a_5.port_b_data_out_clear = "none",
ram_block3a_5.port_b_data_out_clock = "none",
ram_block3a_5.port_b_data_width = 1,
ram_block3a_5.port_b_first_address = 0,
ram_block3a_5.port_b_first_bit_number = 5,
ram_block3a_5.port_b_last_address = 2047,
ram_block3a_5.port_b_logical_ram_depth = 2048,
ram_block3a_5.port_b_logical_ram_width = 16,
ram_block3a_5.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_5.ram_block_type = "auto",
ram_block3a_5.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_6
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[6]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_6portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_6.connectivity_checking = "OFF",
ram_block3a_6.logical_ram_name = "ALTSYNCRAM",
ram_block3a_6.mixed_port_feed_through_mode = "dont_care",
ram_block3a_6.operation_mode = "dual_port",
ram_block3a_6.port_a_address_width = 11,
ram_block3a_6.port_a_data_width = 1,
ram_block3a_6.port_a_first_address = 0,
ram_block3a_6.port_a_first_bit_number = 6,
ram_block3a_6.port_a_last_address = 2047,
ram_block3a_6.port_a_logical_ram_depth = 2048,
ram_block3a_6.port_a_logical_ram_width = 16,
ram_block3a_6.port_b_address_clear = "none",
ram_block3a_6.port_b_address_clock = "clock1",
ram_block3a_6.port_b_address_width = 11,
ram_block3a_6.port_b_data_out_clear = "none",
ram_block3a_6.port_b_data_out_clock = "none",
ram_block3a_6.port_b_data_width = 1,
ram_block3a_6.port_b_first_address = 0,
ram_block3a_6.port_b_first_bit_number = 6,
ram_block3a_6.port_b_last_address = 2047,
ram_block3a_6.port_b_logical_ram_depth = 2048,
ram_block3a_6.port_b_logical_ram_width = 16,
ram_block3a_6.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_6.ram_block_type = "auto",
ram_block3a_6.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_7
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[7]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_7portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_7.connectivity_checking = "OFF",
ram_block3a_7.logical_ram_name = "ALTSYNCRAM",
ram_block3a_7.mixed_port_feed_through_mode = "dont_care",
ram_block3a_7.operation_mode = "dual_port",
ram_block3a_7.port_a_address_width = 11,
ram_block3a_7.port_a_data_width = 1,
ram_block3a_7.port_a_first_address = 0,
ram_block3a_7.port_a_first_bit_number = 7,
ram_block3a_7.port_a_last_address = 2047,
ram_block3a_7.port_a_logical_ram_depth = 2048,
ram_block3a_7.port_a_logical_ram_width = 16,
ram_block3a_7.port_b_address_clear = "none",
ram_block3a_7.port_b_address_clock = "clock1",
ram_block3a_7.port_b_address_width = 11,
ram_block3a_7.port_b_data_out_clear = "none",
ram_block3a_7.port_b_data_out_clock = "none",
ram_block3a_7.port_b_data_width = 1,
ram_block3a_7.port_b_first_address = 0,
ram_block3a_7.port_b_first_bit_number = 7,
ram_block3a_7.port_b_last_address = 2047,
ram_block3a_7.port_b_logical_ram_depth = 2048,
ram_block3a_7.port_b_logical_ram_width = 16,
ram_block3a_7.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_7.ram_block_type = "auto",
ram_block3a_7.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_8
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[8]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_8portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_8.connectivity_checking = "OFF",
ram_block3a_8.logical_ram_name = "ALTSYNCRAM",
ram_block3a_8.mixed_port_feed_through_mode = "dont_care",
ram_block3a_8.operation_mode = "dual_port",
ram_block3a_8.port_a_address_width = 11,
ram_block3a_8.port_a_data_width = 1,
ram_block3a_8.port_a_first_address = 0,
ram_block3a_8.port_a_first_bit_number = 8,
ram_block3a_8.port_a_last_address = 2047,
ram_block3a_8.port_a_logical_ram_depth = 2048,
ram_block3a_8.port_a_logical_ram_width = 16,
ram_block3a_8.port_b_address_clear = "none",
ram_block3a_8.port_b_address_clock = "clock1",
ram_block3a_8.port_b_address_width = 11,
ram_block3a_8.port_b_data_out_clear = "none",
ram_block3a_8.port_b_data_out_clock = "none",
ram_block3a_8.port_b_data_width = 1,
ram_block3a_8.port_b_first_address = 0,
ram_block3a_8.port_b_first_bit_number = 8,
ram_block3a_8.port_b_last_address = 2047,
ram_block3a_8.port_b_logical_ram_depth = 2048,
ram_block3a_8.port_b_logical_ram_width = 16,
ram_block3a_8.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_8.ram_block_type = "auto",
ram_block3a_8.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_9
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[9]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_9portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_9.connectivity_checking = "OFF",
ram_block3a_9.logical_ram_name = "ALTSYNCRAM",
ram_block3a_9.mixed_port_feed_through_mode = "dont_care",
ram_block3a_9.operation_mode = "dual_port",
ram_block3a_9.port_a_address_width = 11,
ram_block3a_9.port_a_data_width = 1,
ram_block3a_9.port_a_first_address = 0,
ram_block3a_9.port_a_first_bit_number = 9,
ram_block3a_9.port_a_last_address = 2047,
ram_block3a_9.port_a_logical_ram_depth = 2048,
ram_block3a_9.port_a_logical_ram_width = 16,
ram_block3a_9.port_b_address_clear = "none",
ram_block3a_9.port_b_address_clock = "clock1",
ram_block3a_9.port_b_address_width = 11,
ram_block3a_9.port_b_data_out_clear = "none",
ram_block3a_9.port_b_data_out_clock = "none",
ram_block3a_9.port_b_data_width = 1,
ram_block3a_9.port_b_first_address = 0,
ram_block3a_9.port_b_first_bit_number = 9,
ram_block3a_9.port_b_last_address = 2047,
ram_block3a_9.port_b_logical_ram_depth = 2048,
ram_block3a_9.port_b_logical_ram_width = 16,
ram_block3a_9.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_9.ram_block_type = "auto",
ram_block3a_9.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_10
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[10]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_10portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_10.connectivity_checking = "OFF",
ram_block3a_10.logical_ram_name = "ALTSYNCRAM",
ram_block3a_10.mixed_port_feed_through_mode = "dont_care",
ram_block3a_10.operation_mode = "dual_port",
ram_block3a_10.port_a_address_width = 11,
ram_block3a_10.port_a_data_width = 1,
ram_block3a_10.port_a_first_address = 0,
ram_block3a_10.port_a_first_bit_number = 10,
ram_block3a_10.port_a_last_address = 2047,
ram_block3a_10.port_a_logical_ram_depth = 2048,
ram_block3a_10.port_a_logical_ram_width = 16,
ram_block3a_10.port_b_address_clear = "none",
ram_block3a_10.port_b_address_clock = "clock1",
ram_block3a_10.port_b_address_width = 11,
ram_block3a_10.port_b_data_out_clear = "none",
ram_block3a_10.port_b_data_out_clock = "none",
ram_block3a_10.port_b_data_width = 1,
ram_block3a_10.port_b_first_address = 0,
ram_block3a_10.port_b_first_bit_number = 10,
ram_block3a_10.port_b_last_address = 2047,
ram_block3a_10.port_b_logical_ram_depth = 2048,
ram_block3a_10.port_b_logical_ram_width = 16,
ram_block3a_10.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_10.ram_block_type = "auto",
ram_block3a_10.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_11
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[11]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_11portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_11.connectivity_checking = "OFF",
ram_block3a_11.logical_ram_name = "ALTSYNCRAM",
ram_block3a_11.mixed_port_feed_through_mode = "dont_care",
ram_block3a_11.operation_mode = "dual_port",
ram_block3a_11.port_a_address_width = 11,
ram_block3a_11.port_a_data_width = 1,
ram_block3a_11.port_a_first_address = 0,
ram_block3a_11.port_a_first_bit_number = 11,
ram_block3a_11.port_a_last_address = 2047,
ram_block3a_11.port_a_logical_ram_depth = 2048,
ram_block3a_11.port_a_logical_ram_width = 16,
ram_block3a_11.port_b_address_clear = "none",
ram_block3a_11.port_b_address_clock = "clock1",
ram_block3a_11.port_b_address_width = 11,
ram_block3a_11.port_b_data_out_clear = "none",
ram_block3a_11.port_b_data_out_clock = "none",
ram_block3a_11.port_b_data_width = 1,
ram_block3a_11.port_b_first_address = 0,
ram_block3a_11.port_b_first_bit_number = 11,
ram_block3a_11.port_b_last_address = 2047,
ram_block3a_11.port_b_logical_ram_depth = 2048,
ram_block3a_11.port_b_logical_ram_width = 16,
ram_block3a_11.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_11.ram_block_type = "auto",
ram_block3a_11.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_12
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[12]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_12portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_12.connectivity_checking = "OFF",
ram_block3a_12.logical_ram_name = "ALTSYNCRAM",
ram_block3a_12.mixed_port_feed_through_mode = "dont_care",
ram_block3a_12.operation_mode = "dual_port",
ram_block3a_12.port_a_address_width = 11,
ram_block3a_12.port_a_data_width = 1,
ram_block3a_12.port_a_first_address = 0,
ram_block3a_12.port_a_first_bit_number = 12,
ram_block3a_12.port_a_last_address = 2047,
ram_block3a_12.port_a_logical_ram_depth = 2048,
ram_block3a_12.port_a_logical_ram_width = 16,
ram_block3a_12.port_b_address_clear = "none",
ram_block3a_12.port_b_address_clock = "clock1",
ram_block3a_12.port_b_address_width = 11,
ram_block3a_12.port_b_data_out_clear = "none",
ram_block3a_12.port_b_data_out_clock = "none",
ram_block3a_12.port_b_data_width = 1,
ram_block3a_12.port_b_first_address = 0,
ram_block3a_12.port_b_first_bit_number = 12,
ram_block3a_12.port_b_last_address = 2047,
ram_block3a_12.port_b_logical_ram_depth = 2048,
ram_block3a_12.port_b_logical_ram_width = 16,
ram_block3a_12.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_12.ram_block_type = "auto",
ram_block3a_12.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_13
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[13]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_13portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_13.connectivity_checking = "OFF",
ram_block3a_13.logical_ram_name = "ALTSYNCRAM",
ram_block3a_13.mixed_port_feed_through_mode = "dont_care",
ram_block3a_13.operation_mode = "dual_port",
ram_block3a_13.port_a_address_width = 11,
ram_block3a_13.port_a_data_width = 1,
ram_block3a_13.port_a_first_address = 0,
ram_block3a_13.port_a_first_bit_number = 13,
ram_block3a_13.port_a_last_address = 2047,
ram_block3a_13.port_a_logical_ram_depth = 2048,
ram_block3a_13.port_a_logical_ram_width = 16,
ram_block3a_13.port_b_address_clear = "none",
ram_block3a_13.port_b_address_clock = "clock1",
ram_block3a_13.port_b_address_width = 11,
ram_block3a_13.port_b_data_out_clear = "none",
ram_block3a_13.port_b_data_out_clock = "none",
ram_block3a_13.port_b_data_width = 1,
ram_block3a_13.port_b_first_address = 0,
ram_block3a_13.port_b_first_bit_number = 13,
ram_block3a_13.port_b_last_address = 2047,
ram_block3a_13.port_b_logical_ram_depth = 2048,
ram_block3a_13.port_b_logical_ram_width = 16,
ram_block3a_13.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_13.ram_block_type = "auto",
ram_block3a_13.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_14
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[14]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_14portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_14.connectivity_checking = "OFF",
ram_block3a_14.logical_ram_name = "ALTSYNCRAM",
ram_block3a_14.mixed_port_feed_through_mode = "dont_care",
ram_block3a_14.operation_mode = "dual_port",
ram_block3a_14.port_a_address_width = 11,
ram_block3a_14.port_a_data_width = 1,
ram_block3a_14.port_a_first_address = 0,
ram_block3a_14.port_a_first_bit_number = 14,
ram_block3a_14.port_a_last_address = 2047,
ram_block3a_14.port_a_logical_ram_depth = 2048,
ram_block3a_14.port_a_logical_ram_width = 16,
ram_block3a_14.port_b_address_clear = "none",
ram_block3a_14.port_b_address_clock = "clock1",
ram_block3a_14.port_b_address_width = 11,
ram_block3a_14.port_b_data_out_clear = "none",
ram_block3a_14.port_b_data_out_clock = "none",
ram_block3a_14.port_b_data_width = 1,
ram_block3a_14.port_b_first_address = 0,
ram_block3a_14.port_b_first_bit_number = 14,
ram_block3a_14.port_b_last_address = 2047,
ram_block3a_14.port_b_logical_ram_depth = 2048,
ram_block3a_14.port_b_logical_ram_width = 16,
ram_block3a_14.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_14.ram_block_type = "auto",
ram_block3a_14.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_15
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[15]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_15portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_15.connectivity_checking = "OFF",
ram_block3a_15.logical_ram_name = "ALTSYNCRAM",
ram_block3a_15.mixed_port_feed_through_mode = "dont_care",
ram_block3a_15.operation_mode = "dual_port",
ram_block3a_15.port_a_address_width = 11,
ram_block3a_15.port_a_data_width = 1,
ram_block3a_15.port_a_first_address = 0,
ram_block3a_15.port_a_first_bit_number = 15,
ram_block3a_15.port_a_last_address = 2047,
ram_block3a_15.port_a_logical_ram_depth = 2048,
ram_block3a_15.port_a_logical_ram_width = 16,
ram_block3a_15.port_b_address_clear = "none",
ram_block3a_15.port_b_address_clock = "clock1",
ram_block3a_15.port_b_address_width = 11,
ram_block3a_15.port_b_data_out_clear = "none",
ram_block3a_15.port_b_data_out_clock = "none",
ram_block3a_15.port_b_data_width = 1,
ram_block3a_15.port_b_first_address = 0,
ram_block3a_15.port_b_first_bit_number = 15,
ram_block3a_15.port_b_last_address = 2047,
ram_block3a_15.port_b_logical_ram_depth = 2048,
ram_block3a_15.port_b_logical_ram_width = 16,
ram_block3a_15.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_15.ram_block_type = "auto",
ram_block3a_15.lpm_type = "cyclone_ram_block";
assign
address_a_wire = address_a,
address_b_wire = address_b,
q_b = {wire_ram_block3a_15portbdataout[0], wire_ram_block3a_14portbdataout[0], wire_ram_block3a_13portbdataout[0], wire_ram_block3a_12portbdataout[0], wire_ram_block3a_11portbdataout[0], wire_ram_block3a_10portbdataout[0], wire_ram_block3a_9portbdataout[0], wire_ram_block3a_8portbdataout[0], wire_ram_block3a_7portbdataout[0], wire_ram_block3a_6portbdataout[0], wire_ram_block3a_5portbdataout[0], wire_ram_block3a_4portbdataout[0], wire_ram_block3a_3portbdataout[0], wire_ram_block3a_2portbdataout[0], wire_ram_block3a_1portbdataout[0], wire_ram_block3a_0portbdataout[0]};
endmodule
|
module fifo_2k_dffpipe_ab3
(
clock,
clrn,
d,
q) /* synthesis synthesis_clearbox=1 */
/* synthesis ALTERA_ATTRIBUTE="AUTO_SHIFT_REGISTER_RECOGNITION=OFF" */;
input clock;
input clrn;
input [10:0] d;
output [10:0] q;
wire [10:0] wire_dffe4a_D;
reg [10:0] dffe4a;
wire ena;
wire prn;
wire sclr;
// synopsys translate_off
initial
dffe4a[0:0] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[0:0] <= 1'b1;
else if (clrn == 1'b0) dffe4a[0:0] <= 1'b0;
else if (ena == 1'b1) dffe4a[0:0] <= wire_dffe4a_D[0:0];
// synopsys translate_off
initial
dffe4a[1:1] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[1:1] <= 1'b1;
else if (clrn == 1'b0) dffe4a[1:1] <= 1'b0;
else if (ena == 1'b1) dffe4a[1:1] <= wire_dffe4a_D[1:1];
// synopsys translate_off
initial
dffe4a[2:2] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[2:2] <= 1'b1;
else if (clrn == 1'b0) dffe4a[2:2] <= 1'b0;
else if (ena == 1'b1) dffe4a[2:2] <= wire_dffe4a_D[2:2];
// synopsys translate_off
initial
dffe4a[3:3] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[3:3] <= 1'b1;
else if (clrn == 1'b0) dffe4a[3:3] <= 1'b0;
else if (ena == 1'b1) dffe4a[3:3] <= wire_dffe4a_D[3:3];
// synopsys translate_off
initial
dffe4a[4:4] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[4:4] <= 1'b1;
else if (clrn == 1'b0) dffe4a[4:4] <= 1'b0;
else if (ena == 1'b1) dffe4a[4:4] <= wire_dffe4a_D[4:4];
// synopsys translate_off
initial
dffe4a[5:5] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[5:5] <= 1'b1;
else if (clrn == 1'b0) dffe4a[5:5] <= 1'b0;
else if (ena == 1'b1) dffe4a[5:5] <= wire_dffe4a_D[5:5];
// synopsys translate_off
initial
dffe4a[6:6] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[6:6] <= 1'b1;
else if (clrn == 1'b0) dffe4a[6:6] <= 1'b0;
else if (ena == 1'b1) dffe4a[6:6] <= wire_dffe4a_D[6:6];
// synopsys translate_off
initial
dffe4a[7:7] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[7:7] <= 1'b1;
else if (clrn == 1'b0) dffe4a[7:7] <= 1'b0;
else if (ena == 1'b1) dffe4a[7:7] <= wire_dffe4a_D[7:7];
// synopsys translate_off
initial
dffe4a[8:8] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[8:8] <= 1'b1;
else if (clrn == 1'b0) dffe4a[8:8] <= 1'b0;
else if (ena == 1'b1) dffe4a[8:8] <= wire_dffe4a_D[8:8];
// synopsys translate_off
initial
dffe4a[9:9] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[9:9] <= 1'b1;
else if (clrn == 1'b0) dffe4a[9:9] <= 1'b0;
else if (ena == 1'b1) dffe4a[9:9] <= wire_dffe4a_D[9:9];
// synopsys translate_off
initial
dffe4a[10:10] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[10:10] <= 1'b1;
else if (clrn == 1'b0) dffe4a[10:10] <= 1'b0;
else if (ena == 1'b1) dffe4a[10:10] <= wire_dffe4a_D[10:10];
assign
wire_dffe4a_D = (d & {11{(~ sclr)}});
assign
ena = 1'b1,
prn = 1'b1,
q = dffe4a,
sclr = 1'b0;
endmodule
|
module fifo_2k_dffpipe_dm2
(
clock,
clrn,
d,
q) /* synthesis synthesis_clearbox=1 */
/* synthesis ALTERA_ATTRIBUTE="AUTO_SHIFT_REGISTER_RECOGNITION=OFF" */;
input clock;
input clrn;
input [10:0] d;
output [10:0] q;
wire [10:0] wire_dffe6a_D;
reg [10:0] dffe6a;
wire ena;
wire prn;
wire sclr;
// synopsys translate_off
initial
dffe6a[0:0] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[0:0] <= 1'b1;
else if (clrn == 1'b0) dffe6a[0:0] <= 1'b0;
else if (ena == 1'b1) dffe6a[0:0] <= wire_dffe6a_D[0:0];
// synopsys translate_off
initial
dffe6a[1:1] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[1:1] <= 1'b1;
else if (clrn == 1'b0) dffe6a[1:1] <= 1'b0;
else if (ena == 1'b1) dffe6a[1:1] <= wire_dffe6a_D[1:1];
// synopsys translate_off
initial
dffe6a[2:2] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[2:2] <= 1'b1;
else if (clrn == 1'b0) dffe6a[2:2] <= 1'b0;
else if (ena == 1'b1) dffe6a[2:2] <= wire_dffe6a_D[2:2];
// synopsys translate_off
initial
dffe6a[3:3] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[3:3] <= 1'b1;
else if (clrn == 1'b0) dffe6a[3:3] <= 1'b0;
else if (ena == 1'b1) dffe6a[3:3] <= wire_dffe6a_D[3:3];
// synopsys translate_off
initial
dffe6a[4:4] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[4:4] <= 1'b1;
else if (clrn == 1'b0) dffe6a[4:4] <= 1'b0;
else if (ena == 1'b1) dffe6a[4:4] <= wire_dffe6a_D[4:4];
// synopsys translate_off
initial
dffe6a[5:5] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[5:5] <= 1'b1;
else if (clrn == 1'b0) dffe6a[5:5] <= 1'b0;
else if (ena == 1'b1) dffe6a[5:5] <= wire_dffe6a_D[5:5];
// synopsys translate_off
initial
dffe6a[6:6] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[6:6] <= 1'b1;
else if (clrn == 1'b0) dffe6a[6:6] <= 1'b0;
else if (ena == 1'b1) dffe6a[6:6] <= wire_dffe6a_D[6:6];
// synopsys translate_off
initial
dffe6a[7:7] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[7:7] <= 1'b1;
else if (clrn == 1'b0) dffe6a[7:7] <= 1'b0;
else if (ena == 1'b1) dffe6a[7:7] <= wire_dffe6a_D[7:7];
// synopsys translate_off
initial
dffe6a[8:8] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[8:8] <= 1'b1;
else if (clrn == 1'b0) dffe6a[8:8] <= 1'b0;
else if (ena == 1'b1) dffe6a[8:8] <= wire_dffe6a_D[8:8];
// synopsys translate_off
initial
dffe6a[9:9] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[9:9] <= 1'b1;
else if (clrn == 1'b0) dffe6a[9:9] <= 1'b0;
else if (ena == 1'b1) dffe6a[9:9] <= wire_dffe6a_D[9:9];
// synopsys translate_off
initial
dffe6a[10:10] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[10:10] <= 1'b1;
else if (clrn == 1'b0) dffe6a[10:10] <= 1'b0;
else if (ena == 1'b1) dffe6a[10:10] <= wire_dffe6a_D[10:10];
assign
wire_dffe6a_D = (d & {11{(~ sclr)}});
assign
ena = 1'b1,
prn = 1'b1,
q = dffe6a,
sclr = 1'b0;
endmodule
|
module fifo_2k_alt_synch_pipe_dm2
(
clock,
clrn,
d,
q) /* synthesis synthesis_clearbox=1 */
/* synthesis ALTERA_ATTRIBUTE="X_ON_VIOLATION_OPTION=OFF" */;
input clock;
input clrn;
input [10:0] d;
output [10:0] q;
wire [10:0] wire_dffpipe5_q;
fifo_2k_dffpipe_dm2 dffpipe5
(
.clock(clock),
.clrn(clrn),
.d(d),
.q(wire_dffpipe5_q));
assign
q = wire_dffpipe5_q;
endmodule
|
module fifo_2k_add_sub_a18
(
dataa,
datab,
result) /* synthesis synthesis_clearbox=1 */;
input [10:0] dataa;
input [10:0] datab;
output [10:0] result;
wire [10:0] wire_add_sub_cella_combout;
wire [0:0] wire_add_sub_cella_0cout;
wire [0:0] wire_add_sub_cella_1cout;
wire [0:0] wire_add_sub_cella_2cout;
wire [0:0] wire_add_sub_cella_3cout;
wire [0:0] wire_add_sub_cella_4cout;
wire [0:0] wire_add_sub_cella_5cout;
wire [0:0] wire_add_sub_cella_6cout;
wire [0:0] wire_add_sub_cella_7cout;
wire [0:0] wire_add_sub_cella_8cout;
wire [0:0] wire_add_sub_cella_9cout;
wire [10:0] wire_add_sub_cella_dataa;
wire [10:0] wire_add_sub_cella_datab;
cyclone_lcell add_sub_cella_0
(
.cin(1'b1),
.combout(wire_add_sub_cella_combout[0:0]),
.cout(wire_add_sub_cella_0cout[0:0]),
.dataa(wire_add_sub_cella_dataa[0:0]),
.datab(wire_add_sub_cella_datab[0:0]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_0.cin_used = "true",
add_sub_cella_0.lut_mask = "69b2",
add_sub_cella_0.operation_mode = "arithmetic",
add_sub_cella_0.sum_lutc_input = "cin",
add_sub_cella_0.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_1
(
.cin(wire_add_sub_cella_0cout[0:0]),
.combout(wire_add_sub_cella_combout[1:1]),
.cout(wire_add_sub_cella_1cout[0:0]),
.dataa(wire_add_sub_cella_dataa[1:1]),
.datab(wire_add_sub_cella_datab[1:1]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_1.cin_used = "true",
add_sub_cella_1.lut_mask = "69b2",
add_sub_cella_1.operation_mode = "arithmetic",
add_sub_cella_1.sum_lutc_input = "cin",
add_sub_cella_1.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_2
(
.cin(wire_add_sub_cella_1cout[0:0]),
.combout(wire_add_sub_cella_combout[2:2]),
.cout(wire_add_sub_cella_2cout[0:0]),
.dataa(wire_add_sub_cella_dataa[2:2]),
.datab(wire_add_sub_cella_datab[2:2]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_2.cin_used = "true",
add_sub_cella_2.lut_mask = "69b2",
add_sub_cella_2.operation_mode = "arithmetic",
add_sub_cella_2.sum_lutc_input = "cin",
add_sub_cella_2.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_3
(
.cin(wire_add_sub_cella_2cout[0:0]),
.combout(wire_add_sub_cella_combout[3:3]),
.cout(wire_add_sub_cella_3cout[0:0]),
.dataa(wire_add_sub_cella_dataa[3:3]),
.datab(wire_add_sub_cella_datab[3:3]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_3.cin_used = "true",
add_sub_cella_3.lut_mask = "69b2",
add_sub_cella_3.operation_mode = "arithmetic",
add_sub_cella_3.sum_lutc_input = "cin",
add_sub_cella_3.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_4
(
.cin(wire_add_sub_cella_3cout[0:0]),
.combout(wire_add_sub_cella_combout[4:4]),
.cout(wire_add_sub_cella_4cout[0:0]),
.dataa(wire_add_sub_cella_dataa[4:4]),
.datab(wire_add_sub_cella_datab[4:4]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_4.cin_used = "true",
add_sub_cella_4.lut_mask = "69b2",
add_sub_cella_4.operation_mode = "arithmetic",
add_sub_cella_4.sum_lutc_input = "cin",
add_sub_cella_4.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_5
(
.cin(wire_add_sub_cella_4cout[0:0]),
.combout(wire_add_sub_cella_combout[5:5]),
.cout(wire_add_sub_cella_5cout[0:0]),
.dataa(wire_add_sub_cella_dataa[5:5]),
.datab(wire_add_sub_cella_datab[5:5]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_5.cin_used = "true",
add_sub_cella_5.lut_mask = "69b2",
add_sub_cella_5.operation_mode = "arithmetic",
add_sub_cella_5.sum_lutc_input = "cin",
add_sub_cella_5.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_6
(
.cin(wire_add_sub_cella_5cout[0:0]),
.combout(wire_add_sub_cella_combout[6:6]),
.cout(wire_add_sub_cella_6cout[0:0]),
.dataa(wire_add_sub_cella_dataa[6:6]),
.datab(wire_add_sub_cella_datab[6:6]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_6.cin_used = "true",
add_sub_cella_6.lut_mask = "69b2",
add_sub_cella_6.operation_mode = "arithmetic",
add_sub_cella_6.sum_lutc_input = "cin",
add_sub_cella_6.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_7
(
.cin(wire_add_sub_cella_6cout[0:0]),
.combout(wire_add_sub_cella_combout[7:7]),
.cout(wire_add_sub_cella_7cout[0:0]),
.dataa(wire_add_sub_cella_dataa[7:7]),
.datab(wire_add_sub_cella_datab[7:7]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_7.cin_used = "true",
add_sub_cella_7.lut_mask = "69b2",
add_sub_cella_7.operation_mode = "arithmetic",
add_sub_cella_7.sum_lutc_input = "cin",
add_sub_cella_7.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_8
(
.cin(wire_add_sub_cella_7cout[0:0]),
.combout(wire_add_sub_cella_combout[8:8]),
.cout(wire_add_sub_cella_8cout[0:0]),
.dataa(wire_add_sub_cella_dataa[8:8]),
.datab(wire_add_sub_cella_datab[8:8]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_8.cin_used = "true",
add_sub_cella_8.lut_mask = "69b2",
add_sub_cella_8.operation_mode = "arithmetic",
add_sub_cella_8.sum_lutc_input = "cin",
add_sub_cella_8.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_9
(
.cin(wire_add_sub_cella_8cout[0:0]),
.combout(wire_add_sub_cella_combout[9:9]),
.cout(wire_add_sub_cella_9cout[0:0]),
.dataa(wire_add_sub_cella_dataa[9:9]),
.datab(wire_add_sub_cella_datab[9:9]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_9.cin_used = "true",
add_sub_cella_9.lut_mask = "69b2",
add_sub_cella_9.operation_mode = "arithmetic",
add_sub_cella_9.sum_lutc_input = "cin",
add_sub_cella_9.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_10
(
.cin(wire_add_sub_cella_9cout[0:0]),
.combout(wire_add_sub_cella_combout[10:10]),
.cout(),
.dataa(wire_add_sub_cella_dataa[10:10]),
.datab(wire_add_sub_cella_datab[10:10]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_10.cin_used = "true",
add_sub_cella_10.lut_mask = "6969",
add_sub_cella_10.operation_mode = "normal",
add_sub_cella_10.sum_lutc_input = "cin",
add_sub_cella_10.lpm_type = "cyclone_lcell";
assign
wire_add_sub_cella_dataa = dataa,
wire_add_sub_cella_datab = datab;
assign
result = wire_add_sub_cella_combout;
endmodule
|
module fifo_2k_dcfifo_0cq
(
aclr,
data,
q,
rdclk,
rdempty,
rdreq,
rdusedw,
wrclk,
wrfull,
wrreq,
wrusedw) /* synthesis synthesis_clearbox=1 */
/* synthesis ALTERA_ATTRIBUTE="AUTO_SHIFT_REGISTER_RECOGNITION=OFF;{ -from \"rdptr_g|power_modified_counter_values\" -to \"ws_dgrp|dffpipe5|dffe6a\" }CUT=ON;{ -from \"delayed_wrptr_g\" -to \"rs_dgwp|dffpipe5|dffe6a\" }CUT=ON" */;
input aclr;
input [15:0] data;
output [15:0] q;
input rdclk;
output rdempty;
input rdreq;
output [10:0] rdusedw;
input wrclk;
output wrfull;
input wrreq;
output [10:0] wrusedw;
wire [10:0] wire_rdptr_g_gray2bin_bin;
wire [10:0] wire_rs_dgwp_gray2bin_bin;
wire [10:0] wire_wrptr_g_gray2bin_bin;
wire [10:0] wire_ws_dgrp_gray2bin_bin;
wire [10:0] wire_rdptr_g_q;
wire [10:0] wire_rdptr_g1p_q;
wire [10:0] wire_wrptr_g1p_q;
wire [15:0] wire_fifo_ram_q_b;
reg [10:0] delayed_wrptr_g;
reg [10:0] wrptr_g;
wire [10:0] wire_rs_brp_q;
wire [10:0] wire_rs_bwp_q;
wire [10:0] wire_rs_dgwp_q;
wire [10:0] wire_ws_brp_q;
wire [10:0] wire_ws_bwp_q;
wire [10:0] wire_ws_dgrp_q;
wire [10:0] wire_rdusedw_sub_result;
wire [10:0] wire_wrusedw_sub_result;
reg wire_rdempty_eq_comp_aeb_int;
wire wire_rdempty_eq_comp_aeb;
wire [10:0] wire_rdempty_eq_comp_dataa;
wire [10:0] wire_rdempty_eq_comp_datab;
reg wire_wrfull_eq_comp_aeb_int;
wire wire_wrfull_eq_comp_aeb;
wire [10:0] wire_wrfull_eq_comp_dataa;
wire [10:0] wire_wrfull_eq_comp_datab;
wire int_rdempty;
wire int_wrfull;
wire valid_rdreq;
wire valid_wrreq;
fifo_2k_a_gray2bin_8m4 rdptr_g_gray2bin
(
.bin(wire_rdptr_g_gray2bin_bin),
.gray(wire_rdptr_g_q));
fifo_2k_a_gray2bin_8m4 rs_dgwp_gray2bin
(
.bin(wire_rs_dgwp_gray2bin_bin),
.gray(wire_rs_dgwp_q));
fifo_2k_a_gray2bin_8m4 wrptr_g_gray2bin
(
.bin(wire_wrptr_g_gray2bin_bin),
.gray(wrptr_g));
fifo_2k_a_gray2bin_8m4 ws_dgrp_gray2bin
(
.bin(wire_ws_dgrp_gray2bin_bin),
.gray(wire_ws_dgrp_q));
fifo_2k_a_graycounter_726 rdptr_g
(
.aclr(aclr),
.clock(rdclk),
.cnt_en(valid_rdreq),
.q(wire_rdptr_g_q));
fifo_2k_a_graycounter_2r6 rdptr_g1p
(
.aclr(aclr),
.clock(rdclk),
.cnt_en(valid_rdreq),
.q(wire_rdptr_g1p_q));
fifo_2k_a_graycounter_2r6 wrptr_g1p
(
.aclr(aclr),
.clock(wrclk),
.cnt_en(valid_wrreq),
.q(wire_wrptr_g1p_q));
fifo_2k_altsyncram_6pl fifo_ram
(
.address_a(wrptr_g),
.address_b(((wire_rdptr_g_q & {11{int_rdempty}}) | (wire_rdptr_g1p_q & {11{(~ int_rdempty)}}))),
.clock0(wrclk),
.clock1(rdclk),
.clocken1((valid_rdreq | int_rdempty)),
.data_a(data),
.q_b(wire_fifo_ram_q_b),
.wren_a(valid_wrreq));
// synopsys translate_off
initial
delayed_wrptr_g = 0;
// synopsys translate_on
always @ ( posedge wrclk or posedge aclr)
if (aclr == 1'b1) delayed_wrptr_g <= 11'b0;
else delayed_wrptr_g <= wrptr_g;
// synopsys translate_off
initial
wrptr_g = 0;
// synopsys translate_on
always @ ( posedge wrclk or posedge aclr)
if (aclr == 1'b1) wrptr_g <= 11'b0;
else if (valid_wrreq == 1'b1) wrptr_g <= wire_wrptr_g1p_q;
fifo_2k_dffpipe_ab3 rs_brp
(
.clock(rdclk),
.clrn((~ aclr)),
.d(wire_rdptr_g_gray2bin_bin),
.q(wire_rs_brp_q));
fifo_2k_dffpipe_ab3 rs_bwp
(
.clock(rdclk),
.clrn((~ aclr)),
.d(wire_rs_dgwp_gray2bin_bin),
.q(wire_rs_bwp_q));
fifo_2k_alt_synch_pipe_dm2 rs_dgwp
(
.clock(rdclk),
.clrn((~ aclr)),
.d(delayed_wrptr_g),
.q(wire_rs_dgwp_q));
fifo_2k_dffpipe_ab3 ws_brp
(
.clock(wrclk),
.clrn((~ aclr)),
.d(wire_ws_dgrp_gray2bin_bin),
.q(wire_ws_brp_q));
fifo_2k_dffpipe_ab3 ws_bwp
(
.clock(wrclk),
.clrn((~ aclr)),
.d(wire_wrptr_g_gray2bin_bin),
.q(wire_ws_bwp_q));
fifo_2k_alt_synch_pipe_dm2 ws_dgrp
(
.clock(wrclk),
.clrn((~ aclr)),
.d(wire_rdptr_g_q),
.q(wire_ws_dgrp_q));
fifo_2k_add_sub_a18 rdusedw_sub
(
.dataa(wire_rs_bwp_q),
.datab(wire_rs_brp_q),
.result(wire_rdusedw_sub_result));
fifo_2k_add_sub_a18 wrusedw_sub
(
.dataa(wire_ws_bwp_q),
.datab(wire_ws_brp_q),
.result(wire_wrusedw_sub_result));
always @(wire_rdempty_eq_comp_dataa or wire_rdempty_eq_comp_datab)
if (wire_rdempty_eq_comp_dataa == wire_rdempty_eq_comp_datab)
begin
wire_rdempty_eq_comp_aeb_int = 1'b1;
end
else
begin
wire_rdempty_eq_comp_aeb_int = 1'b0;
end
assign
wire_rdempty_eq_comp_aeb = wire_rdempty_eq_comp_aeb_int;
assign
wire_rdempty_eq_comp_dataa = wire_rs_dgwp_q,
wire_rdempty_eq_comp_datab = wire_rdptr_g_q;
always @(wire_wrfull_eq_comp_dataa or wire_wrfull_eq_comp_datab)
if (wire_wrfull_eq_comp_dataa == wire_wrfull_eq_comp_datab)
begin
wire_wrfull_eq_comp_aeb_int = 1'b1;
end
else
begin
wire_wrfull_eq_comp_aeb_int = 1'b0;
end
assign
wire_wrfull_eq_comp_aeb = wire_wrfull_eq_comp_aeb_int;
assign
wire_wrfull_eq_comp_dataa = wire_ws_dgrp_q,
wire_wrfull_eq_comp_datab = wire_wrptr_g1p_q;
assign
int_rdempty = wire_rdempty_eq_comp_aeb,
int_wrfull = wire_wrfull_eq_comp_aeb,
q = wire_fifo_ram_q_b,
rdempty = int_rdempty,
rdusedw = wire_rdusedw_sub_result,
valid_rdreq = rdreq,
valid_wrreq = wrreq,
wrfull = int_wrfull,
wrusedw = wire_wrusedw_sub_result;
endmodule
|
module fifo_2k (
data,
wrreq,
rdreq,
rdclk,
wrclk,
aclr,
q,
rdempty,
rdusedw,
wrfull,
wrusedw)/* synthesis synthesis_clearbox = 1 */;
input [15:0] data;
input wrreq;
input rdreq;
input rdclk;
input wrclk;
input aclr;
output [15:0] q;
output rdempty;
output [10:0] rdusedw;
output wrfull;
output [10:0] wrusedw;
wire sub_wire0;
wire [10:0] sub_wire1;
wire sub_wire2;
wire [15:0] sub_wire3;
wire [10:0] sub_wire4;
wire rdempty = sub_wire0;
wire [10:0] wrusedw = sub_wire1[10:0];
wire wrfull = sub_wire2;
wire [15:0] q = sub_wire3[15:0];
wire [10:0] rdusedw = sub_wire4[10:0];
fifo_2k_dcfifo_0cq fifo_2k_dcfifo_0cq_component (
.wrclk (wrclk),
.rdreq (rdreq),
.aclr (aclr),
.rdclk (rdclk),
.wrreq (wrreq),
.data (data),
.rdempty (sub_wire0),
.wrusedw (sub_wire1),
.wrfull (sub_wire2),
.q (sub_wire3),
.rdusedw (sub_wire4));
endmodule
|
module accum32 (
data,
clock,
clken,
aclr,
result)/* synthesis synthesis_clearbox = 1 */;
input [31:0] data;
input clock;
input clken;
input aclr;
output [31:0] result;
endmodule
|
module accum32 (
data,
clock,
clken,
aclr,
result)/* synthesis synthesis_clearbox = 1 */;
input [31:0] data;
input clock;
input clken;
input aclr;
output [31:0] result;
endmodule
|
module addsub16_add_sub_gp9
(
aclr,
add_sub,
clken,
clock,
dataa,
datab,
result) /* synthesis synthesis_clearbox=1 */;
input aclr;
input add_sub;
input clken;
input clock;
input [15:0] dataa;
input [15:0] datab;
output [15:0] result;
wire [0:0] wire_add_sub_cella_0cout;
wire [0:0] wire_add_sub_cella_1cout;
wire [0:0] wire_add_sub_cella_2cout;
wire [0:0] wire_add_sub_cella_3cout;
wire [0:0] wire_add_sub_cella_4cout;
wire [0:0] wire_add_sub_cella_5cout;
wire [0:0] wire_add_sub_cella_6cout;
wire [0:0] wire_add_sub_cella_7cout;
wire [0:0] wire_add_sub_cella_8cout;
wire [0:0] wire_add_sub_cella_9cout;
wire [0:0] wire_add_sub_cella_10cout;
wire [0:0] wire_add_sub_cella_11cout;
wire [0:0] wire_add_sub_cella_12cout;
wire [0:0] wire_add_sub_cella_13cout;
wire [0:0] wire_add_sub_cella_14cout;
wire [15:0] wire_add_sub_cella_dataa;
wire [15:0] wire_add_sub_cella_datab;
wire [15:0] wire_add_sub_cella_regout;
wire wire_strx_lcell1_cout;
stratix_lcell add_sub_cella_0
(
.aclr(aclr),
.cin(wire_strx_lcell1_cout),
.clk(clock),
.cout(wire_add_sub_cella_0cout[0:0]),
.dataa(wire_add_sub_cella_dataa[0:0]),
.datab(wire_add_sub_cella_datab[0:0]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[0:0]));
defparam
add_sub_cella_0.cin_used = "true",
add_sub_cella_0.lut_mask = "96e8",
add_sub_cella_0.operation_mode = "arithmetic",
add_sub_cella_0.sum_lutc_input = "cin",
add_sub_cella_0.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_1
(
.aclr(aclr),
.cin(wire_add_sub_cella_0cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_1cout[0:0]),
.dataa(wire_add_sub_cella_dataa[1:1]),
.datab(wire_add_sub_cella_datab[1:1]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[1:1]));
defparam
add_sub_cella_1.cin_used = "true",
add_sub_cella_1.lut_mask = "96e8",
add_sub_cella_1.operation_mode = "arithmetic",
add_sub_cella_1.sum_lutc_input = "cin",
add_sub_cella_1.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_2
(
.aclr(aclr),
.cin(wire_add_sub_cella_1cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_2cout[0:0]),
.dataa(wire_add_sub_cella_dataa[2:2]),
.datab(wire_add_sub_cella_datab[2:2]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[2:2]));
defparam
add_sub_cella_2.cin_used = "true",
add_sub_cella_2.lut_mask = "96e8",
add_sub_cella_2.operation_mode = "arithmetic",
add_sub_cella_2.sum_lutc_input = "cin",
add_sub_cella_2.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_3
(
.aclr(aclr),
.cin(wire_add_sub_cella_2cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_3cout[0:0]),
.dataa(wire_add_sub_cella_dataa[3:3]),
.datab(wire_add_sub_cella_datab[3:3]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[3:3]));
defparam
add_sub_cella_3.cin_used = "true",
add_sub_cella_3.lut_mask = "96e8",
add_sub_cella_3.operation_mode = "arithmetic",
add_sub_cella_3.sum_lutc_input = "cin",
add_sub_cella_3.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_4
(
.aclr(aclr),
.cin(wire_add_sub_cella_3cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_4cout[0:0]),
.dataa(wire_add_sub_cella_dataa[4:4]),
.datab(wire_add_sub_cella_datab[4:4]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[4:4]));
defparam
add_sub_cella_4.cin_used = "true",
add_sub_cella_4.lut_mask = "96e8",
add_sub_cella_4.operation_mode = "arithmetic",
add_sub_cella_4.sum_lutc_input = "cin",
add_sub_cella_4.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_5
(
.aclr(aclr),
.cin(wire_add_sub_cella_4cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_5cout[0:0]),
.dataa(wire_add_sub_cella_dataa[5:5]),
.datab(wire_add_sub_cella_datab[5:5]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[5:5]));
defparam
add_sub_cella_5.cin_used = "true",
add_sub_cella_5.lut_mask = "96e8",
add_sub_cella_5.operation_mode = "arithmetic",
add_sub_cella_5.sum_lutc_input = "cin",
add_sub_cella_5.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_6
(
.aclr(aclr),
.cin(wire_add_sub_cella_5cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_6cout[0:0]),
.dataa(wire_add_sub_cella_dataa[6:6]),
.datab(wire_add_sub_cella_datab[6:6]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[6:6]));
defparam
add_sub_cella_6.cin_used = "true",
add_sub_cella_6.lut_mask = "96e8",
add_sub_cella_6.operation_mode = "arithmetic",
add_sub_cella_6.sum_lutc_input = "cin",
add_sub_cella_6.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_7
(
.aclr(aclr),
.cin(wire_add_sub_cella_6cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_7cout[0:0]),
.dataa(wire_add_sub_cella_dataa[7:7]),
.datab(wire_add_sub_cella_datab[7:7]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[7:7]));
defparam
add_sub_cella_7.cin_used = "true",
add_sub_cella_7.lut_mask = "96e8",
add_sub_cella_7.operation_mode = "arithmetic",
add_sub_cella_7.sum_lutc_input = "cin",
add_sub_cella_7.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_8
(
.aclr(aclr),
.cin(wire_add_sub_cella_7cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_8cout[0:0]),
.dataa(wire_add_sub_cella_dataa[8:8]),
.datab(wire_add_sub_cella_datab[8:8]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[8:8]));
defparam
add_sub_cella_8.cin_used = "true",
add_sub_cella_8.lut_mask = "96e8",
add_sub_cella_8.operation_mode = "arithmetic",
add_sub_cella_8.sum_lutc_input = "cin",
add_sub_cella_8.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_9
(
.aclr(aclr),
.cin(wire_add_sub_cella_8cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_9cout[0:0]),
.dataa(wire_add_sub_cella_dataa[9:9]),
.datab(wire_add_sub_cella_datab[9:9]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[9:9]));
defparam
add_sub_cella_9.cin_used = "true",
add_sub_cella_9.lut_mask = "96e8",
add_sub_cella_9.operation_mode = "arithmetic",
add_sub_cella_9.sum_lutc_input = "cin",
add_sub_cella_9.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_10
(
.aclr(aclr),
.cin(wire_add_sub_cella_9cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_10cout[0:0]),
.dataa(wire_add_sub_cella_dataa[10:10]),
.datab(wire_add_sub_cella_datab[10:10]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[10:10]));
defparam
add_sub_cella_10.cin_used = "true",
add_sub_cella_10.lut_mask = "96e8",
add_sub_cella_10.operation_mode = "arithmetic",
add_sub_cella_10.sum_lutc_input = "cin",
add_sub_cella_10.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_11
(
.aclr(aclr),
.cin(wire_add_sub_cella_10cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_11cout[0:0]),
.dataa(wire_add_sub_cella_dataa[11:11]),
.datab(wire_add_sub_cella_datab[11:11]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[11:11]));
defparam
add_sub_cella_11.cin_used = "true",
add_sub_cella_11.lut_mask = "96e8",
add_sub_cella_11.operation_mode = "arithmetic",
add_sub_cella_11.sum_lutc_input = "cin",
add_sub_cella_11.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_12
(
.aclr(aclr),
.cin(wire_add_sub_cella_11cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_12cout[0:0]),
.dataa(wire_add_sub_cella_dataa[12:12]),
.datab(wire_add_sub_cella_datab[12:12]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[12:12]));
defparam
add_sub_cella_12.cin_used = "true",
add_sub_cella_12.lut_mask = "96e8",
add_sub_cella_12.operation_mode = "arithmetic",
add_sub_cella_12.sum_lutc_input = "cin",
add_sub_cella_12.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_13
(
.aclr(aclr),
.cin(wire_add_sub_cella_12cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_13cout[0:0]),
.dataa(wire_add_sub_cella_dataa[13:13]),
.datab(wire_add_sub_cella_datab[13:13]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[13:13]));
defparam
add_sub_cella_13.cin_used = "true",
add_sub_cella_13.lut_mask = "96e8",
add_sub_cella_13.operation_mode = "arithmetic",
add_sub_cella_13.sum_lutc_input = "cin",
add_sub_cella_13.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_14
(
.aclr(aclr),
.cin(wire_add_sub_cella_13cout[0:0]),
.clk(clock),
.cout(wire_add_sub_cella_14cout[0:0]),
.dataa(wire_add_sub_cella_dataa[14:14]),
.datab(wire_add_sub_cella_datab[14:14]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[14:14]));
defparam
add_sub_cella_14.cin_used = "true",
add_sub_cella_14.lut_mask = "96e8",
add_sub_cella_14.operation_mode = "arithmetic",
add_sub_cella_14.sum_lutc_input = "cin",
add_sub_cella_14.lpm_type = "stratix_lcell";
stratix_lcell add_sub_cella_15
(
.aclr(aclr),
.cin(wire_add_sub_cella_14cout[0:0]),
.clk(clock),
.dataa(wire_add_sub_cella_dataa[15:15]),
.datab(wire_add_sub_cella_datab[15:15]),
.ena(clken),
.inverta((~ add_sub)),
.regout(wire_add_sub_cella_regout[15:15]));
defparam
add_sub_cella_15.cin_used = "true",
add_sub_cella_15.lut_mask = "9696",
add_sub_cella_15.operation_mode = "normal",
add_sub_cella_15.sum_lutc_input = "cin",
add_sub_cella_15.lpm_type = "stratix_lcell";
assign
wire_add_sub_cella_dataa = datab,
wire_add_sub_cella_datab = dataa;
stratix_lcell strx_lcell1
(
.cout(wire_strx_lcell1_cout),
.dataa(1'b0),
.datab((~ add_sub)),
.inverta((~ add_sub)));
defparam
strx_lcell1.cin_used = "false",
strx_lcell1.lut_mask = "00cc",
strx_lcell1.operation_mode = "arithmetic",
strx_lcell1.lpm_type = "stratix_lcell";
assign
result = wire_add_sub_cella_regout;
endmodule
|
module addsub16 (
add_sub,
dataa,
datab,
clock,
aclr,
clken,
result)/* synthesis synthesis_clearbox = 1 */;
input add_sub;
input [15:0] dataa;
input [15:0] datab;
input clock;
input aclr;
input clken;
output [15:0] result;
wire [15:0] sub_wire0;
wire [15:0] result = sub_wire0[15:0];
addsub16_add_sub_gp9 addsub16_add_sub_gp9_component (
.dataa (dataa),
.add_sub (add_sub),
.datab (datab),
.clken (clken),
.aclr (aclr),
.clock (clock),
.result (sub_wire0));
endmodule
|
module fifo_2k_a_gray2bin_8m4
(
bin,
gray) /* synthesis synthesis_clearbox=1 */;
output [10:0] bin;
input [10:0] gray;
wire xor0;
wire xor1;
wire xor2;
wire xor3;
wire xor4;
wire xor5;
wire xor6;
wire xor7;
wire xor8;
wire xor9;
assign
bin = {gray[10], xor9, xor8, xor7, xor6, xor5, xor4, xor3, xor2, xor1, xor0},
xor0 = (gray[0] ^ xor1),
xor1 = (gray[1] ^ xor2),
xor2 = (gray[2] ^ xor3),
xor3 = (gray[3] ^ xor4),
xor4 = (gray[4] ^ xor5),
xor5 = (gray[5] ^ xor6),
xor6 = (gray[6] ^ xor7),
xor7 = (gray[7] ^ xor8),
xor8 = (gray[8] ^ xor9),
xor9 = (gray[10] ^ gray[9]);
endmodule
|
module fifo_2k_a_graycounter_726
(
aclr,
clock,
cnt_en,
q) /* synthesis synthesis_clearbox=1 */;
input aclr;
input clock;
input cnt_en;
output [10:0] q;
wire [0:0] wire_countera_0cout;
wire [0:0] wire_countera_1cout;
wire [0:0] wire_countera_2cout;
wire [0:0] wire_countera_3cout;
wire [0:0] wire_countera_4cout;
wire [0:0] wire_countera_5cout;
wire [0:0] wire_countera_6cout;
wire [0:0] wire_countera_7cout;
wire [0:0] wire_countera_8cout;
wire [0:0] wire_countera_9cout;
wire [10:0] wire_countera_regout;
wire wire_parity_cout;
wire wire_parity_regout;
wire [10:0] power_modified_counter_values;
wire sclr;
wire updown;
cyclone_lcell countera_0
(
.aclr(aclr),
.cin(wire_parity_cout),
.clk(clock),
.combout(),
.cout(wire_countera_0cout[0:0]),
.dataa(cnt_en),
.datab(wire_countera_regout[0:0]),
.ena(1'b1),
.regout(wire_countera_regout[0:0]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_0.cin_used = "true",
countera_0.lut_mask = "c6a0",
countera_0.operation_mode = "arithmetic",
countera_0.sum_lutc_input = "cin",
countera_0.synch_mode = "on",
countera_0.lpm_type = "cyclone_lcell";
cyclone_lcell countera_1
(
.aclr(aclr),
.cin(wire_countera_0cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_1cout[0:0]),
.dataa(power_modified_counter_values[0]),
.datab(power_modified_counter_values[1]),
.ena(1'b1),
.regout(wire_countera_regout[1:1]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_1.cin_used = "true",
countera_1.lut_mask = "6c50",
countera_1.operation_mode = "arithmetic",
countera_1.sum_lutc_input = "cin",
countera_1.synch_mode = "on",
countera_1.lpm_type = "cyclone_lcell";
cyclone_lcell countera_2
(
.aclr(aclr),
.cin(wire_countera_1cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_2cout[0:0]),
.dataa(power_modified_counter_values[1]),
.datab(power_modified_counter_values[2]),
.ena(1'b1),
.regout(wire_countera_regout[2:2]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_2.cin_used = "true",
countera_2.lut_mask = "6c50",
countera_2.operation_mode = "arithmetic",
countera_2.sum_lutc_input = "cin",
countera_2.synch_mode = "on",
countera_2.lpm_type = "cyclone_lcell";
cyclone_lcell countera_3
(
.aclr(aclr),
.cin(wire_countera_2cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_3cout[0:0]),
.dataa(power_modified_counter_values[2]),
.datab(power_modified_counter_values[3]),
.ena(1'b1),
.regout(wire_countera_regout[3:3]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_3.cin_used = "true",
countera_3.lut_mask = "6c50",
countera_3.operation_mode = "arithmetic",
countera_3.sum_lutc_input = "cin",
countera_3.synch_mode = "on",
countera_3.lpm_type = "cyclone_lcell";
cyclone_lcell countera_4
(
.aclr(aclr),
.cin(wire_countera_3cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_4cout[0:0]),
.dataa(power_modified_counter_values[3]),
.datab(power_modified_counter_values[4]),
.ena(1'b1),
.regout(wire_countera_regout[4:4]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_4.cin_used = "true",
countera_4.lut_mask = "6c50",
countera_4.operation_mode = "arithmetic",
countera_4.sum_lutc_input = "cin",
countera_4.synch_mode = "on",
countera_4.lpm_type = "cyclone_lcell";
cyclone_lcell countera_5
(
.aclr(aclr),
.cin(wire_countera_4cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_5cout[0:0]),
.dataa(power_modified_counter_values[4]),
.datab(power_modified_counter_values[5]),
.ena(1'b1),
.regout(wire_countera_regout[5:5]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_5.cin_used = "true",
countera_5.lut_mask = "6c50",
countera_5.operation_mode = "arithmetic",
countera_5.sum_lutc_input = "cin",
countera_5.synch_mode = "on",
countera_5.lpm_type = "cyclone_lcell";
cyclone_lcell countera_6
(
.aclr(aclr),
.cin(wire_countera_5cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_6cout[0:0]),
.dataa(power_modified_counter_values[5]),
.datab(power_modified_counter_values[6]),
.ena(1'b1),
.regout(wire_countera_regout[6:6]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_6.cin_used = "true",
countera_6.lut_mask = "6c50",
countera_6.operation_mode = "arithmetic",
countera_6.sum_lutc_input = "cin",
countera_6.synch_mode = "on",
countera_6.lpm_type = "cyclone_lcell";
cyclone_lcell countera_7
(
.aclr(aclr),
.cin(wire_countera_6cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_7cout[0:0]),
.dataa(power_modified_counter_values[6]),
.datab(power_modified_counter_values[7]),
.ena(1'b1),
.regout(wire_countera_regout[7:7]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_7.cin_used = "true",
countera_7.lut_mask = "6c50",
countera_7.operation_mode = "arithmetic",
countera_7.sum_lutc_input = "cin",
countera_7.synch_mode = "on",
countera_7.lpm_type = "cyclone_lcell";
cyclone_lcell countera_8
(
.aclr(aclr),
.cin(wire_countera_7cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_8cout[0:0]),
.dataa(power_modified_counter_values[7]),
.datab(power_modified_counter_values[8]),
.ena(1'b1),
.regout(wire_countera_regout[8:8]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_8.cin_used = "true",
countera_8.lut_mask = "6c50",
countera_8.operation_mode = "arithmetic",
countera_8.sum_lutc_input = "cin",
countera_8.synch_mode = "on",
countera_8.lpm_type = "cyclone_lcell";
cyclone_lcell countera_9
(
.aclr(aclr),
.cin(wire_countera_8cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_9cout[0:0]),
.dataa(power_modified_counter_values[8]),
.datab(power_modified_counter_values[9]),
.ena(1'b1),
.regout(wire_countera_regout[9:9]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_9.cin_used = "true",
countera_9.lut_mask = "6c50",
countera_9.operation_mode = "arithmetic",
countera_9.sum_lutc_input = "cin",
countera_9.synch_mode = "on",
countera_9.lpm_type = "cyclone_lcell";
cyclone_lcell countera_10
(
.aclr(aclr),
.cin(wire_countera_9cout[0:0]),
.clk(clock),
.combout(),
.cout(),
.dataa(power_modified_counter_values[10]),
.ena(1'b1),
.regout(wire_countera_regout[10:10]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datab(1'b1),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_10.cin_used = "true",
countera_10.lut_mask = "5a5a",
countera_10.operation_mode = "normal",
countera_10.sum_lutc_input = "cin",
countera_10.synch_mode = "on",
countera_10.lpm_type = "cyclone_lcell";
cyclone_lcell parity
(
.aclr(aclr),
.cin(updown),
.clk(clock),
.combout(),
.cout(wire_parity_cout),
.dataa(cnt_en),
.datab(wire_parity_regout),
.ena(1'b1),
.regout(wire_parity_regout),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
parity.cin_used = "true",
parity.lut_mask = "6682",
parity.operation_mode = "arithmetic",
parity.synch_mode = "on",
parity.lpm_type = "cyclone_lcell";
assign
power_modified_counter_values = {wire_countera_regout[10:0]},
q = power_modified_counter_values,
sclr = 1'b0,
updown = 1'b1;
endmodule
|
module fifo_2k_a_graycounter_2r6
(
aclr,
clock,
cnt_en,
q) /* synthesis synthesis_clearbox=1 */;
input aclr;
input clock;
input cnt_en;
output [10:0] q;
wire [0:0] wire_countera_0cout;
wire [0:0] wire_countera_1cout;
wire [0:0] wire_countera_2cout;
wire [0:0] wire_countera_3cout;
wire [0:0] wire_countera_4cout;
wire [0:0] wire_countera_5cout;
wire [0:0] wire_countera_6cout;
wire [0:0] wire_countera_7cout;
wire [0:0] wire_countera_8cout;
wire [0:0] wire_countera_9cout;
wire [10:0] wire_countera_regout;
wire wire_parity_cout;
wire wire_parity_regout;
wire [10:0] power_modified_counter_values;
wire sclr;
wire updown;
cyclone_lcell countera_0
(
.aclr(aclr),
.cin(wire_parity_cout),
.clk(clock),
.combout(),
.cout(wire_countera_0cout[0:0]),
.dataa(cnt_en),
.datab(wire_countera_regout[0:0]),
.ena(1'b1),
.regout(wire_countera_regout[0:0]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_0.cin_used = "true",
countera_0.lut_mask = "c6a0",
countera_0.operation_mode = "arithmetic",
countera_0.sum_lutc_input = "cin",
countera_0.synch_mode = "on",
countera_0.lpm_type = "cyclone_lcell";
cyclone_lcell countera_1
(
.aclr(aclr),
.cin(wire_countera_0cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_1cout[0:0]),
.dataa(power_modified_counter_values[0]),
.datab(power_modified_counter_values[1]),
.ena(1'b1),
.regout(wire_countera_regout[1:1]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_1.cin_used = "true",
countera_1.lut_mask = "6c50",
countera_1.operation_mode = "arithmetic",
countera_1.sum_lutc_input = "cin",
countera_1.synch_mode = "on",
countera_1.lpm_type = "cyclone_lcell";
cyclone_lcell countera_2
(
.aclr(aclr),
.cin(wire_countera_1cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_2cout[0:0]),
.dataa(power_modified_counter_values[1]),
.datab(power_modified_counter_values[2]),
.ena(1'b1),
.regout(wire_countera_regout[2:2]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_2.cin_used = "true",
countera_2.lut_mask = "6c50",
countera_2.operation_mode = "arithmetic",
countera_2.sum_lutc_input = "cin",
countera_2.synch_mode = "on",
countera_2.lpm_type = "cyclone_lcell";
cyclone_lcell countera_3
(
.aclr(aclr),
.cin(wire_countera_2cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_3cout[0:0]),
.dataa(power_modified_counter_values[2]),
.datab(power_modified_counter_values[3]),
.ena(1'b1),
.regout(wire_countera_regout[3:3]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_3.cin_used = "true",
countera_3.lut_mask = "6c50",
countera_3.operation_mode = "arithmetic",
countera_3.sum_lutc_input = "cin",
countera_3.synch_mode = "on",
countera_3.lpm_type = "cyclone_lcell";
cyclone_lcell countera_4
(
.aclr(aclr),
.cin(wire_countera_3cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_4cout[0:0]),
.dataa(power_modified_counter_values[3]),
.datab(power_modified_counter_values[4]),
.ena(1'b1),
.regout(wire_countera_regout[4:4]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_4.cin_used = "true",
countera_4.lut_mask = "6c50",
countera_4.operation_mode = "arithmetic",
countera_4.sum_lutc_input = "cin",
countera_4.synch_mode = "on",
countera_4.lpm_type = "cyclone_lcell";
cyclone_lcell countera_5
(
.aclr(aclr),
.cin(wire_countera_4cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_5cout[0:0]),
.dataa(power_modified_counter_values[4]),
.datab(power_modified_counter_values[5]),
.ena(1'b1),
.regout(wire_countera_regout[5:5]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_5.cin_used = "true",
countera_5.lut_mask = "6c50",
countera_5.operation_mode = "arithmetic",
countera_5.sum_lutc_input = "cin",
countera_5.synch_mode = "on",
countera_5.lpm_type = "cyclone_lcell";
cyclone_lcell countera_6
(
.aclr(aclr),
.cin(wire_countera_5cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_6cout[0:0]),
.dataa(power_modified_counter_values[5]),
.datab(power_modified_counter_values[6]),
.ena(1'b1),
.regout(wire_countera_regout[6:6]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_6.cin_used = "true",
countera_6.lut_mask = "6c50",
countera_6.operation_mode = "arithmetic",
countera_6.sum_lutc_input = "cin",
countera_6.synch_mode = "on",
countera_6.lpm_type = "cyclone_lcell";
cyclone_lcell countera_7
(
.aclr(aclr),
.cin(wire_countera_6cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_7cout[0:0]),
.dataa(power_modified_counter_values[6]),
.datab(power_modified_counter_values[7]),
.ena(1'b1),
.regout(wire_countera_regout[7:7]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_7.cin_used = "true",
countera_7.lut_mask = "6c50",
countera_7.operation_mode = "arithmetic",
countera_7.sum_lutc_input = "cin",
countera_7.synch_mode = "on",
countera_7.lpm_type = "cyclone_lcell";
cyclone_lcell countera_8
(
.aclr(aclr),
.cin(wire_countera_7cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_8cout[0:0]),
.dataa(power_modified_counter_values[7]),
.datab(power_modified_counter_values[8]),
.ena(1'b1),
.regout(wire_countera_regout[8:8]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_8.cin_used = "true",
countera_8.lut_mask = "6c50",
countera_8.operation_mode = "arithmetic",
countera_8.sum_lutc_input = "cin",
countera_8.synch_mode = "on",
countera_8.lpm_type = "cyclone_lcell";
cyclone_lcell countera_9
(
.aclr(aclr),
.cin(wire_countera_8cout[0:0]),
.clk(clock),
.combout(),
.cout(wire_countera_9cout[0:0]),
.dataa(power_modified_counter_values[8]),
.datab(power_modified_counter_values[9]),
.ena(1'b1),
.regout(wire_countera_regout[9:9]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_9.cin_used = "true",
countera_9.lut_mask = "6c50",
countera_9.operation_mode = "arithmetic",
countera_9.sum_lutc_input = "cin",
countera_9.synch_mode = "on",
countera_9.lpm_type = "cyclone_lcell";
cyclone_lcell countera_10
(
.aclr(aclr),
.cin(wire_countera_9cout[0:0]),
.clk(clock),
.combout(),
.cout(),
.dataa(power_modified_counter_values[10]),
.ena(1'b1),
.regout(wire_countera_regout[10:10]),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datab(1'b1),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
countera_10.cin_used = "true",
countera_10.lut_mask = "5a5a",
countera_10.operation_mode = "normal",
countera_10.sum_lutc_input = "cin",
countera_10.synch_mode = "on",
countera_10.lpm_type = "cyclone_lcell";
cyclone_lcell parity
(
.aclr(aclr),
.cin(updown),
.clk(clock),
.combout(),
.cout(wire_parity_cout),
.dataa(cnt_en),
.datab((~ wire_parity_regout)),
.ena(1'b1),
.regout(wire_parity_regout),
.sclr(sclr)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aload(1'b0),
.datac(1'b1),
.datad(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
parity.cin_used = "true",
parity.lut_mask = "9982",
parity.operation_mode = "arithmetic",
parity.synch_mode = "on",
parity.lpm_type = "cyclone_lcell";
assign
power_modified_counter_values = {wire_countera_regout[10:1], (~ wire_countera_regout[0])},
q = power_modified_counter_values,
sclr = 1'b0,
updown = 1'b1;
endmodule
|
module fifo_2k_altsyncram_6pl
(
address_a,
address_b,
clock0,
clock1,
clocken1,
data_a,
q_b,
wren_a) /* synthesis synthesis_clearbox=1 */;
input [10:0] address_a;
input [10:0] address_b;
input clock0;
input clock1;
input clocken1;
input [15:0] data_a;
output [15:0] q_b;
input wren_a;
wire [0:0] wire_ram_block3a_0portbdataout;
wire [0:0] wire_ram_block3a_1portbdataout;
wire [0:0] wire_ram_block3a_2portbdataout;
wire [0:0] wire_ram_block3a_3portbdataout;
wire [0:0] wire_ram_block3a_4portbdataout;
wire [0:0] wire_ram_block3a_5portbdataout;
wire [0:0] wire_ram_block3a_6portbdataout;
wire [0:0] wire_ram_block3a_7portbdataout;
wire [0:0] wire_ram_block3a_8portbdataout;
wire [0:0] wire_ram_block3a_9portbdataout;
wire [0:0] wire_ram_block3a_10portbdataout;
wire [0:0] wire_ram_block3a_11portbdataout;
wire [0:0] wire_ram_block3a_12portbdataout;
wire [0:0] wire_ram_block3a_13portbdataout;
wire [0:0] wire_ram_block3a_14portbdataout;
wire [0:0] wire_ram_block3a_15portbdataout;
wire [10:0] address_a_wire;
wire [10:0] address_b_wire;
cyclone_ram_block ram_block3a_0
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[0]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_0portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_0.connectivity_checking = "OFF",
ram_block3a_0.logical_ram_name = "ALTSYNCRAM",
ram_block3a_0.mixed_port_feed_through_mode = "dont_care",
ram_block3a_0.operation_mode = "dual_port",
ram_block3a_0.port_a_address_width = 11,
ram_block3a_0.port_a_data_width = 1,
ram_block3a_0.port_a_first_address = 0,
ram_block3a_0.port_a_first_bit_number = 0,
ram_block3a_0.port_a_last_address = 2047,
ram_block3a_0.port_a_logical_ram_depth = 2048,
ram_block3a_0.port_a_logical_ram_width = 16,
ram_block3a_0.port_b_address_clear = "none",
ram_block3a_0.port_b_address_clock = "clock1",
ram_block3a_0.port_b_address_width = 11,
ram_block3a_0.port_b_data_out_clear = "none",
ram_block3a_0.port_b_data_out_clock = "none",
ram_block3a_0.port_b_data_width = 1,
ram_block3a_0.port_b_first_address = 0,
ram_block3a_0.port_b_first_bit_number = 0,
ram_block3a_0.port_b_last_address = 2047,
ram_block3a_0.port_b_logical_ram_depth = 2048,
ram_block3a_0.port_b_logical_ram_width = 16,
ram_block3a_0.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_0.ram_block_type = "auto",
ram_block3a_0.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_1
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[1]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_1portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_1.connectivity_checking = "OFF",
ram_block3a_1.logical_ram_name = "ALTSYNCRAM",
ram_block3a_1.mixed_port_feed_through_mode = "dont_care",
ram_block3a_1.operation_mode = "dual_port",
ram_block3a_1.port_a_address_width = 11,
ram_block3a_1.port_a_data_width = 1,
ram_block3a_1.port_a_first_address = 0,
ram_block3a_1.port_a_first_bit_number = 1,
ram_block3a_1.port_a_last_address = 2047,
ram_block3a_1.port_a_logical_ram_depth = 2048,
ram_block3a_1.port_a_logical_ram_width = 16,
ram_block3a_1.port_b_address_clear = "none",
ram_block3a_1.port_b_address_clock = "clock1",
ram_block3a_1.port_b_address_width = 11,
ram_block3a_1.port_b_data_out_clear = "none",
ram_block3a_1.port_b_data_out_clock = "none",
ram_block3a_1.port_b_data_width = 1,
ram_block3a_1.port_b_first_address = 0,
ram_block3a_1.port_b_first_bit_number = 1,
ram_block3a_1.port_b_last_address = 2047,
ram_block3a_1.port_b_logical_ram_depth = 2048,
ram_block3a_1.port_b_logical_ram_width = 16,
ram_block3a_1.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_1.ram_block_type = "auto",
ram_block3a_1.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_2
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[2]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_2portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_2.connectivity_checking = "OFF",
ram_block3a_2.logical_ram_name = "ALTSYNCRAM",
ram_block3a_2.mixed_port_feed_through_mode = "dont_care",
ram_block3a_2.operation_mode = "dual_port",
ram_block3a_2.port_a_address_width = 11,
ram_block3a_2.port_a_data_width = 1,
ram_block3a_2.port_a_first_address = 0,
ram_block3a_2.port_a_first_bit_number = 2,
ram_block3a_2.port_a_last_address = 2047,
ram_block3a_2.port_a_logical_ram_depth = 2048,
ram_block3a_2.port_a_logical_ram_width = 16,
ram_block3a_2.port_b_address_clear = "none",
ram_block3a_2.port_b_address_clock = "clock1",
ram_block3a_2.port_b_address_width = 11,
ram_block3a_2.port_b_data_out_clear = "none",
ram_block3a_2.port_b_data_out_clock = "none",
ram_block3a_2.port_b_data_width = 1,
ram_block3a_2.port_b_first_address = 0,
ram_block3a_2.port_b_first_bit_number = 2,
ram_block3a_2.port_b_last_address = 2047,
ram_block3a_2.port_b_logical_ram_depth = 2048,
ram_block3a_2.port_b_logical_ram_width = 16,
ram_block3a_2.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_2.ram_block_type = "auto",
ram_block3a_2.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_3
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[3]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_3portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_3.connectivity_checking = "OFF",
ram_block3a_3.logical_ram_name = "ALTSYNCRAM",
ram_block3a_3.mixed_port_feed_through_mode = "dont_care",
ram_block3a_3.operation_mode = "dual_port",
ram_block3a_3.port_a_address_width = 11,
ram_block3a_3.port_a_data_width = 1,
ram_block3a_3.port_a_first_address = 0,
ram_block3a_3.port_a_first_bit_number = 3,
ram_block3a_3.port_a_last_address = 2047,
ram_block3a_3.port_a_logical_ram_depth = 2048,
ram_block3a_3.port_a_logical_ram_width = 16,
ram_block3a_3.port_b_address_clear = "none",
ram_block3a_3.port_b_address_clock = "clock1",
ram_block3a_3.port_b_address_width = 11,
ram_block3a_3.port_b_data_out_clear = "none",
ram_block3a_3.port_b_data_out_clock = "none",
ram_block3a_3.port_b_data_width = 1,
ram_block3a_3.port_b_first_address = 0,
ram_block3a_3.port_b_first_bit_number = 3,
ram_block3a_3.port_b_last_address = 2047,
ram_block3a_3.port_b_logical_ram_depth = 2048,
ram_block3a_3.port_b_logical_ram_width = 16,
ram_block3a_3.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_3.ram_block_type = "auto",
ram_block3a_3.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_4
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[4]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_4portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_4.connectivity_checking = "OFF",
ram_block3a_4.logical_ram_name = "ALTSYNCRAM",
ram_block3a_4.mixed_port_feed_through_mode = "dont_care",
ram_block3a_4.operation_mode = "dual_port",
ram_block3a_4.port_a_address_width = 11,
ram_block3a_4.port_a_data_width = 1,
ram_block3a_4.port_a_first_address = 0,
ram_block3a_4.port_a_first_bit_number = 4,
ram_block3a_4.port_a_last_address = 2047,
ram_block3a_4.port_a_logical_ram_depth = 2048,
ram_block3a_4.port_a_logical_ram_width = 16,
ram_block3a_4.port_b_address_clear = "none",
ram_block3a_4.port_b_address_clock = "clock1",
ram_block3a_4.port_b_address_width = 11,
ram_block3a_4.port_b_data_out_clear = "none",
ram_block3a_4.port_b_data_out_clock = "none",
ram_block3a_4.port_b_data_width = 1,
ram_block3a_4.port_b_first_address = 0,
ram_block3a_4.port_b_first_bit_number = 4,
ram_block3a_4.port_b_last_address = 2047,
ram_block3a_4.port_b_logical_ram_depth = 2048,
ram_block3a_4.port_b_logical_ram_width = 16,
ram_block3a_4.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_4.ram_block_type = "auto",
ram_block3a_4.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_5
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[5]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_5portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_5.connectivity_checking = "OFF",
ram_block3a_5.logical_ram_name = "ALTSYNCRAM",
ram_block3a_5.mixed_port_feed_through_mode = "dont_care",
ram_block3a_5.operation_mode = "dual_port",
ram_block3a_5.port_a_address_width = 11,
ram_block3a_5.port_a_data_width = 1,
ram_block3a_5.port_a_first_address = 0,
ram_block3a_5.port_a_first_bit_number = 5,
ram_block3a_5.port_a_last_address = 2047,
ram_block3a_5.port_a_logical_ram_depth = 2048,
ram_block3a_5.port_a_logical_ram_width = 16,
ram_block3a_5.port_b_address_clear = "none",
ram_block3a_5.port_b_address_clock = "clock1",
ram_block3a_5.port_b_address_width = 11,
ram_block3a_5.port_b_data_out_clear = "none",
ram_block3a_5.port_b_data_out_clock = "none",
ram_block3a_5.port_b_data_width = 1,
ram_block3a_5.port_b_first_address = 0,
ram_block3a_5.port_b_first_bit_number = 5,
ram_block3a_5.port_b_last_address = 2047,
ram_block3a_5.port_b_logical_ram_depth = 2048,
ram_block3a_5.port_b_logical_ram_width = 16,
ram_block3a_5.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_5.ram_block_type = "auto",
ram_block3a_5.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_6
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[6]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_6portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_6.connectivity_checking = "OFF",
ram_block3a_6.logical_ram_name = "ALTSYNCRAM",
ram_block3a_6.mixed_port_feed_through_mode = "dont_care",
ram_block3a_6.operation_mode = "dual_port",
ram_block3a_6.port_a_address_width = 11,
ram_block3a_6.port_a_data_width = 1,
ram_block3a_6.port_a_first_address = 0,
ram_block3a_6.port_a_first_bit_number = 6,
ram_block3a_6.port_a_last_address = 2047,
ram_block3a_6.port_a_logical_ram_depth = 2048,
ram_block3a_6.port_a_logical_ram_width = 16,
ram_block3a_6.port_b_address_clear = "none",
ram_block3a_6.port_b_address_clock = "clock1",
ram_block3a_6.port_b_address_width = 11,
ram_block3a_6.port_b_data_out_clear = "none",
ram_block3a_6.port_b_data_out_clock = "none",
ram_block3a_6.port_b_data_width = 1,
ram_block3a_6.port_b_first_address = 0,
ram_block3a_6.port_b_first_bit_number = 6,
ram_block3a_6.port_b_last_address = 2047,
ram_block3a_6.port_b_logical_ram_depth = 2048,
ram_block3a_6.port_b_logical_ram_width = 16,
ram_block3a_6.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_6.ram_block_type = "auto",
ram_block3a_6.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_7
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[7]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_7portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_7.connectivity_checking = "OFF",
ram_block3a_7.logical_ram_name = "ALTSYNCRAM",
ram_block3a_7.mixed_port_feed_through_mode = "dont_care",
ram_block3a_7.operation_mode = "dual_port",
ram_block3a_7.port_a_address_width = 11,
ram_block3a_7.port_a_data_width = 1,
ram_block3a_7.port_a_first_address = 0,
ram_block3a_7.port_a_first_bit_number = 7,
ram_block3a_7.port_a_last_address = 2047,
ram_block3a_7.port_a_logical_ram_depth = 2048,
ram_block3a_7.port_a_logical_ram_width = 16,
ram_block3a_7.port_b_address_clear = "none",
ram_block3a_7.port_b_address_clock = "clock1",
ram_block3a_7.port_b_address_width = 11,
ram_block3a_7.port_b_data_out_clear = "none",
ram_block3a_7.port_b_data_out_clock = "none",
ram_block3a_7.port_b_data_width = 1,
ram_block3a_7.port_b_first_address = 0,
ram_block3a_7.port_b_first_bit_number = 7,
ram_block3a_7.port_b_last_address = 2047,
ram_block3a_7.port_b_logical_ram_depth = 2048,
ram_block3a_7.port_b_logical_ram_width = 16,
ram_block3a_7.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_7.ram_block_type = "auto",
ram_block3a_7.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_8
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[8]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_8portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_8.connectivity_checking = "OFF",
ram_block3a_8.logical_ram_name = "ALTSYNCRAM",
ram_block3a_8.mixed_port_feed_through_mode = "dont_care",
ram_block3a_8.operation_mode = "dual_port",
ram_block3a_8.port_a_address_width = 11,
ram_block3a_8.port_a_data_width = 1,
ram_block3a_8.port_a_first_address = 0,
ram_block3a_8.port_a_first_bit_number = 8,
ram_block3a_8.port_a_last_address = 2047,
ram_block3a_8.port_a_logical_ram_depth = 2048,
ram_block3a_8.port_a_logical_ram_width = 16,
ram_block3a_8.port_b_address_clear = "none",
ram_block3a_8.port_b_address_clock = "clock1",
ram_block3a_8.port_b_address_width = 11,
ram_block3a_8.port_b_data_out_clear = "none",
ram_block3a_8.port_b_data_out_clock = "none",
ram_block3a_8.port_b_data_width = 1,
ram_block3a_8.port_b_first_address = 0,
ram_block3a_8.port_b_first_bit_number = 8,
ram_block3a_8.port_b_last_address = 2047,
ram_block3a_8.port_b_logical_ram_depth = 2048,
ram_block3a_8.port_b_logical_ram_width = 16,
ram_block3a_8.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_8.ram_block_type = "auto",
ram_block3a_8.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_9
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[9]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_9portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_9.connectivity_checking = "OFF",
ram_block3a_9.logical_ram_name = "ALTSYNCRAM",
ram_block3a_9.mixed_port_feed_through_mode = "dont_care",
ram_block3a_9.operation_mode = "dual_port",
ram_block3a_9.port_a_address_width = 11,
ram_block3a_9.port_a_data_width = 1,
ram_block3a_9.port_a_first_address = 0,
ram_block3a_9.port_a_first_bit_number = 9,
ram_block3a_9.port_a_last_address = 2047,
ram_block3a_9.port_a_logical_ram_depth = 2048,
ram_block3a_9.port_a_logical_ram_width = 16,
ram_block3a_9.port_b_address_clear = "none",
ram_block3a_9.port_b_address_clock = "clock1",
ram_block3a_9.port_b_address_width = 11,
ram_block3a_9.port_b_data_out_clear = "none",
ram_block3a_9.port_b_data_out_clock = "none",
ram_block3a_9.port_b_data_width = 1,
ram_block3a_9.port_b_first_address = 0,
ram_block3a_9.port_b_first_bit_number = 9,
ram_block3a_9.port_b_last_address = 2047,
ram_block3a_9.port_b_logical_ram_depth = 2048,
ram_block3a_9.port_b_logical_ram_width = 16,
ram_block3a_9.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_9.ram_block_type = "auto",
ram_block3a_9.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_10
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[10]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_10portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_10.connectivity_checking = "OFF",
ram_block3a_10.logical_ram_name = "ALTSYNCRAM",
ram_block3a_10.mixed_port_feed_through_mode = "dont_care",
ram_block3a_10.operation_mode = "dual_port",
ram_block3a_10.port_a_address_width = 11,
ram_block3a_10.port_a_data_width = 1,
ram_block3a_10.port_a_first_address = 0,
ram_block3a_10.port_a_first_bit_number = 10,
ram_block3a_10.port_a_last_address = 2047,
ram_block3a_10.port_a_logical_ram_depth = 2048,
ram_block3a_10.port_a_logical_ram_width = 16,
ram_block3a_10.port_b_address_clear = "none",
ram_block3a_10.port_b_address_clock = "clock1",
ram_block3a_10.port_b_address_width = 11,
ram_block3a_10.port_b_data_out_clear = "none",
ram_block3a_10.port_b_data_out_clock = "none",
ram_block3a_10.port_b_data_width = 1,
ram_block3a_10.port_b_first_address = 0,
ram_block3a_10.port_b_first_bit_number = 10,
ram_block3a_10.port_b_last_address = 2047,
ram_block3a_10.port_b_logical_ram_depth = 2048,
ram_block3a_10.port_b_logical_ram_width = 16,
ram_block3a_10.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_10.ram_block_type = "auto",
ram_block3a_10.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_11
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[11]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_11portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_11.connectivity_checking = "OFF",
ram_block3a_11.logical_ram_name = "ALTSYNCRAM",
ram_block3a_11.mixed_port_feed_through_mode = "dont_care",
ram_block3a_11.operation_mode = "dual_port",
ram_block3a_11.port_a_address_width = 11,
ram_block3a_11.port_a_data_width = 1,
ram_block3a_11.port_a_first_address = 0,
ram_block3a_11.port_a_first_bit_number = 11,
ram_block3a_11.port_a_last_address = 2047,
ram_block3a_11.port_a_logical_ram_depth = 2048,
ram_block3a_11.port_a_logical_ram_width = 16,
ram_block3a_11.port_b_address_clear = "none",
ram_block3a_11.port_b_address_clock = "clock1",
ram_block3a_11.port_b_address_width = 11,
ram_block3a_11.port_b_data_out_clear = "none",
ram_block3a_11.port_b_data_out_clock = "none",
ram_block3a_11.port_b_data_width = 1,
ram_block3a_11.port_b_first_address = 0,
ram_block3a_11.port_b_first_bit_number = 11,
ram_block3a_11.port_b_last_address = 2047,
ram_block3a_11.port_b_logical_ram_depth = 2048,
ram_block3a_11.port_b_logical_ram_width = 16,
ram_block3a_11.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_11.ram_block_type = "auto",
ram_block3a_11.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_12
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[12]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_12portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_12.connectivity_checking = "OFF",
ram_block3a_12.logical_ram_name = "ALTSYNCRAM",
ram_block3a_12.mixed_port_feed_through_mode = "dont_care",
ram_block3a_12.operation_mode = "dual_port",
ram_block3a_12.port_a_address_width = 11,
ram_block3a_12.port_a_data_width = 1,
ram_block3a_12.port_a_first_address = 0,
ram_block3a_12.port_a_first_bit_number = 12,
ram_block3a_12.port_a_last_address = 2047,
ram_block3a_12.port_a_logical_ram_depth = 2048,
ram_block3a_12.port_a_logical_ram_width = 16,
ram_block3a_12.port_b_address_clear = "none",
ram_block3a_12.port_b_address_clock = "clock1",
ram_block3a_12.port_b_address_width = 11,
ram_block3a_12.port_b_data_out_clear = "none",
ram_block3a_12.port_b_data_out_clock = "none",
ram_block3a_12.port_b_data_width = 1,
ram_block3a_12.port_b_first_address = 0,
ram_block3a_12.port_b_first_bit_number = 12,
ram_block3a_12.port_b_last_address = 2047,
ram_block3a_12.port_b_logical_ram_depth = 2048,
ram_block3a_12.port_b_logical_ram_width = 16,
ram_block3a_12.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_12.ram_block_type = "auto",
ram_block3a_12.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_13
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[13]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_13portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_13.connectivity_checking = "OFF",
ram_block3a_13.logical_ram_name = "ALTSYNCRAM",
ram_block3a_13.mixed_port_feed_through_mode = "dont_care",
ram_block3a_13.operation_mode = "dual_port",
ram_block3a_13.port_a_address_width = 11,
ram_block3a_13.port_a_data_width = 1,
ram_block3a_13.port_a_first_address = 0,
ram_block3a_13.port_a_first_bit_number = 13,
ram_block3a_13.port_a_last_address = 2047,
ram_block3a_13.port_a_logical_ram_depth = 2048,
ram_block3a_13.port_a_logical_ram_width = 16,
ram_block3a_13.port_b_address_clear = "none",
ram_block3a_13.port_b_address_clock = "clock1",
ram_block3a_13.port_b_address_width = 11,
ram_block3a_13.port_b_data_out_clear = "none",
ram_block3a_13.port_b_data_out_clock = "none",
ram_block3a_13.port_b_data_width = 1,
ram_block3a_13.port_b_first_address = 0,
ram_block3a_13.port_b_first_bit_number = 13,
ram_block3a_13.port_b_last_address = 2047,
ram_block3a_13.port_b_logical_ram_depth = 2048,
ram_block3a_13.port_b_logical_ram_width = 16,
ram_block3a_13.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_13.ram_block_type = "auto",
ram_block3a_13.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_14
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[14]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_14portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_14.connectivity_checking = "OFF",
ram_block3a_14.logical_ram_name = "ALTSYNCRAM",
ram_block3a_14.mixed_port_feed_through_mode = "dont_care",
ram_block3a_14.operation_mode = "dual_port",
ram_block3a_14.port_a_address_width = 11,
ram_block3a_14.port_a_data_width = 1,
ram_block3a_14.port_a_first_address = 0,
ram_block3a_14.port_a_first_bit_number = 14,
ram_block3a_14.port_a_last_address = 2047,
ram_block3a_14.port_a_logical_ram_depth = 2048,
ram_block3a_14.port_a_logical_ram_width = 16,
ram_block3a_14.port_b_address_clear = "none",
ram_block3a_14.port_b_address_clock = "clock1",
ram_block3a_14.port_b_address_width = 11,
ram_block3a_14.port_b_data_out_clear = "none",
ram_block3a_14.port_b_data_out_clock = "none",
ram_block3a_14.port_b_data_width = 1,
ram_block3a_14.port_b_first_address = 0,
ram_block3a_14.port_b_first_bit_number = 14,
ram_block3a_14.port_b_last_address = 2047,
ram_block3a_14.port_b_logical_ram_depth = 2048,
ram_block3a_14.port_b_logical_ram_width = 16,
ram_block3a_14.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_14.ram_block_type = "auto",
ram_block3a_14.lpm_type = "cyclone_ram_block";
cyclone_ram_block ram_block3a_15
(
.clk0(clock0),
.clk1(clock1),
.ena0(wren_a),
.ena1(clocken1),
.portaaddr({address_a_wire[10:0]}),
.portadatain({data_a[15]}),
.portadataout(),
.portawe(1'b1),
.portbaddr({address_b_wire[10:0]}),
.portbdataout(wire_ram_block3a_15portbdataout[0:0]),
.portbrewe(1'b1)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.clr0(1'b0),
.clr1(1'b0),
.portabyteenamasks(1'b1),
.portbbyteenamasks(1'b1),
.portbdatain(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
ram_block3a_15.connectivity_checking = "OFF",
ram_block3a_15.logical_ram_name = "ALTSYNCRAM",
ram_block3a_15.mixed_port_feed_through_mode = "dont_care",
ram_block3a_15.operation_mode = "dual_port",
ram_block3a_15.port_a_address_width = 11,
ram_block3a_15.port_a_data_width = 1,
ram_block3a_15.port_a_first_address = 0,
ram_block3a_15.port_a_first_bit_number = 15,
ram_block3a_15.port_a_last_address = 2047,
ram_block3a_15.port_a_logical_ram_depth = 2048,
ram_block3a_15.port_a_logical_ram_width = 16,
ram_block3a_15.port_b_address_clear = "none",
ram_block3a_15.port_b_address_clock = "clock1",
ram_block3a_15.port_b_address_width = 11,
ram_block3a_15.port_b_data_out_clear = "none",
ram_block3a_15.port_b_data_out_clock = "none",
ram_block3a_15.port_b_data_width = 1,
ram_block3a_15.port_b_first_address = 0,
ram_block3a_15.port_b_first_bit_number = 15,
ram_block3a_15.port_b_last_address = 2047,
ram_block3a_15.port_b_logical_ram_depth = 2048,
ram_block3a_15.port_b_logical_ram_width = 16,
ram_block3a_15.port_b_read_enable_write_enable_clock = "clock1",
ram_block3a_15.ram_block_type = "auto",
ram_block3a_15.lpm_type = "cyclone_ram_block";
assign
address_a_wire = address_a,
address_b_wire = address_b,
q_b = {wire_ram_block3a_15portbdataout[0], wire_ram_block3a_14portbdataout[0], wire_ram_block3a_13portbdataout[0], wire_ram_block3a_12portbdataout[0], wire_ram_block3a_11portbdataout[0], wire_ram_block3a_10portbdataout[0], wire_ram_block3a_9portbdataout[0], wire_ram_block3a_8portbdataout[0], wire_ram_block3a_7portbdataout[0], wire_ram_block3a_6portbdataout[0], wire_ram_block3a_5portbdataout[0], wire_ram_block3a_4portbdataout[0], wire_ram_block3a_3portbdataout[0], wire_ram_block3a_2portbdataout[0], wire_ram_block3a_1portbdataout[0], wire_ram_block3a_0portbdataout[0]};
endmodule
|
module fifo_2k_dffpipe_ab3
(
clock,
clrn,
d,
q) /* synthesis synthesis_clearbox=1 */
/* synthesis ALTERA_ATTRIBUTE="AUTO_SHIFT_REGISTER_RECOGNITION=OFF" */;
input clock;
input clrn;
input [10:0] d;
output [10:0] q;
wire [10:0] wire_dffe4a_D;
reg [10:0] dffe4a;
wire ena;
wire prn;
wire sclr;
// synopsys translate_off
initial
dffe4a[0:0] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[0:0] <= 1'b1;
else if (clrn == 1'b0) dffe4a[0:0] <= 1'b0;
else if (ena == 1'b1) dffe4a[0:0] <= wire_dffe4a_D[0:0];
// synopsys translate_off
initial
dffe4a[1:1] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[1:1] <= 1'b1;
else if (clrn == 1'b0) dffe4a[1:1] <= 1'b0;
else if (ena == 1'b1) dffe4a[1:1] <= wire_dffe4a_D[1:1];
// synopsys translate_off
initial
dffe4a[2:2] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[2:2] <= 1'b1;
else if (clrn == 1'b0) dffe4a[2:2] <= 1'b0;
else if (ena == 1'b1) dffe4a[2:2] <= wire_dffe4a_D[2:2];
// synopsys translate_off
initial
dffe4a[3:3] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[3:3] <= 1'b1;
else if (clrn == 1'b0) dffe4a[3:3] <= 1'b0;
else if (ena == 1'b1) dffe4a[3:3] <= wire_dffe4a_D[3:3];
// synopsys translate_off
initial
dffe4a[4:4] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[4:4] <= 1'b1;
else if (clrn == 1'b0) dffe4a[4:4] <= 1'b0;
else if (ena == 1'b1) dffe4a[4:4] <= wire_dffe4a_D[4:4];
// synopsys translate_off
initial
dffe4a[5:5] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[5:5] <= 1'b1;
else if (clrn == 1'b0) dffe4a[5:5] <= 1'b0;
else if (ena == 1'b1) dffe4a[5:5] <= wire_dffe4a_D[5:5];
// synopsys translate_off
initial
dffe4a[6:6] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[6:6] <= 1'b1;
else if (clrn == 1'b0) dffe4a[6:6] <= 1'b0;
else if (ena == 1'b1) dffe4a[6:6] <= wire_dffe4a_D[6:6];
// synopsys translate_off
initial
dffe4a[7:7] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[7:7] <= 1'b1;
else if (clrn == 1'b0) dffe4a[7:7] <= 1'b0;
else if (ena == 1'b1) dffe4a[7:7] <= wire_dffe4a_D[7:7];
// synopsys translate_off
initial
dffe4a[8:8] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[8:8] <= 1'b1;
else if (clrn == 1'b0) dffe4a[8:8] <= 1'b0;
else if (ena == 1'b1) dffe4a[8:8] <= wire_dffe4a_D[8:8];
// synopsys translate_off
initial
dffe4a[9:9] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[9:9] <= 1'b1;
else if (clrn == 1'b0) dffe4a[9:9] <= 1'b0;
else if (ena == 1'b1) dffe4a[9:9] <= wire_dffe4a_D[9:9];
// synopsys translate_off
initial
dffe4a[10:10] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe4a[10:10] <= 1'b1;
else if (clrn == 1'b0) dffe4a[10:10] <= 1'b0;
else if (ena == 1'b1) dffe4a[10:10] <= wire_dffe4a_D[10:10];
assign
wire_dffe4a_D = (d & {11{(~ sclr)}});
assign
ena = 1'b1,
prn = 1'b1,
q = dffe4a,
sclr = 1'b0;
endmodule
|
module fifo_2k_dffpipe_dm2
(
clock,
clrn,
d,
q) /* synthesis synthesis_clearbox=1 */
/* synthesis ALTERA_ATTRIBUTE="AUTO_SHIFT_REGISTER_RECOGNITION=OFF" */;
input clock;
input clrn;
input [10:0] d;
output [10:0] q;
wire [10:0] wire_dffe6a_D;
reg [10:0] dffe6a;
wire ena;
wire prn;
wire sclr;
// synopsys translate_off
initial
dffe6a[0:0] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[0:0] <= 1'b1;
else if (clrn == 1'b0) dffe6a[0:0] <= 1'b0;
else if (ena == 1'b1) dffe6a[0:0] <= wire_dffe6a_D[0:0];
// synopsys translate_off
initial
dffe6a[1:1] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[1:1] <= 1'b1;
else if (clrn == 1'b0) dffe6a[1:1] <= 1'b0;
else if (ena == 1'b1) dffe6a[1:1] <= wire_dffe6a_D[1:1];
// synopsys translate_off
initial
dffe6a[2:2] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[2:2] <= 1'b1;
else if (clrn == 1'b0) dffe6a[2:2] <= 1'b0;
else if (ena == 1'b1) dffe6a[2:2] <= wire_dffe6a_D[2:2];
// synopsys translate_off
initial
dffe6a[3:3] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[3:3] <= 1'b1;
else if (clrn == 1'b0) dffe6a[3:3] <= 1'b0;
else if (ena == 1'b1) dffe6a[3:3] <= wire_dffe6a_D[3:3];
// synopsys translate_off
initial
dffe6a[4:4] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[4:4] <= 1'b1;
else if (clrn == 1'b0) dffe6a[4:4] <= 1'b0;
else if (ena == 1'b1) dffe6a[4:4] <= wire_dffe6a_D[4:4];
// synopsys translate_off
initial
dffe6a[5:5] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[5:5] <= 1'b1;
else if (clrn == 1'b0) dffe6a[5:5] <= 1'b0;
else if (ena == 1'b1) dffe6a[5:5] <= wire_dffe6a_D[5:5];
// synopsys translate_off
initial
dffe6a[6:6] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[6:6] <= 1'b1;
else if (clrn == 1'b0) dffe6a[6:6] <= 1'b0;
else if (ena == 1'b1) dffe6a[6:6] <= wire_dffe6a_D[6:6];
// synopsys translate_off
initial
dffe6a[7:7] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[7:7] <= 1'b1;
else if (clrn == 1'b0) dffe6a[7:7] <= 1'b0;
else if (ena == 1'b1) dffe6a[7:7] <= wire_dffe6a_D[7:7];
// synopsys translate_off
initial
dffe6a[8:8] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[8:8] <= 1'b1;
else if (clrn == 1'b0) dffe6a[8:8] <= 1'b0;
else if (ena == 1'b1) dffe6a[8:8] <= wire_dffe6a_D[8:8];
// synopsys translate_off
initial
dffe6a[9:9] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[9:9] <= 1'b1;
else if (clrn == 1'b0) dffe6a[9:9] <= 1'b0;
else if (ena == 1'b1) dffe6a[9:9] <= wire_dffe6a_D[9:9];
// synopsys translate_off
initial
dffe6a[10:10] = 0;
// synopsys translate_on
always @ ( posedge clock or negedge prn or negedge clrn)
if (prn == 1'b0) dffe6a[10:10] <= 1'b1;
else if (clrn == 1'b0) dffe6a[10:10] <= 1'b0;
else if (ena == 1'b1) dffe6a[10:10] <= wire_dffe6a_D[10:10];
assign
wire_dffe6a_D = (d & {11{(~ sclr)}});
assign
ena = 1'b1,
prn = 1'b1,
q = dffe6a,
sclr = 1'b0;
endmodule
|
module fifo_2k_alt_synch_pipe_dm2
(
clock,
clrn,
d,
q) /* synthesis synthesis_clearbox=1 */
/* synthesis ALTERA_ATTRIBUTE="X_ON_VIOLATION_OPTION=OFF" */;
input clock;
input clrn;
input [10:0] d;
output [10:0] q;
wire [10:0] wire_dffpipe5_q;
fifo_2k_dffpipe_dm2 dffpipe5
(
.clock(clock),
.clrn(clrn),
.d(d),
.q(wire_dffpipe5_q));
assign
q = wire_dffpipe5_q;
endmodule
|
module fifo_2k_add_sub_a18
(
dataa,
datab,
result) /* synthesis synthesis_clearbox=1 */;
input [10:0] dataa;
input [10:0] datab;
output [10:0] result;
wire [10:0] wire_add_sub_cella_combout;
wire [0:0] wire_add_sub_cella_0cout;
wire [0:0] wire_add_sub_cella_1cout;
wire [0:0] wire_add_sub_cella_2cout;
wire [0:0] wire_add_sub_cella_3cout;
wire [0:0] wire_add_sub_cella_4cout;
wire [0:0] wire_add_sub_cella_5cout;
wire [0:0] wire_add_sub_cella_6cout;
wire [0:0] wire_add_sub_cella_7cout;
wire [0:0] wire_add_sub_cella_8cout;
wire [0:0] wire_add_sub_cella_9cout;
wire [10:0] wire_add_sub_cella_dataa;
wire [10:0] wire_add_sub_cella_datab;
cyclone_lcell add_sub_cella_0
(
.cin(1'b1),
.combout(wire_add_sub_cella_combout[0:0]),
.cout(wire_add_sub_cella_0cout[0:0]),
.dataa(wire_add_sub_cella_dataa[0:0]),
.datab(wire_add_sub_cella_datab[0:0]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_0.cin_used = "true",
add_sub_cella_0.lut_mask = "69b2",
add_sub_cella_0.operation_mode = "arithmetic",
add_sub_cella_0.sum_lutc_input = "cin",
add_sub_cella_0.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_1
(
.cin(wire_add_sub_cella_0cout[0:0]),
.combout(wire_add_sub_cella_combout[1:1]),
.cout(wire_add_sub_cella_1cout[0:0]),
.dataa(wire_add_sub_cella_dataa[1:1]),
.datab(wire_add_sub_cella_datab[1:1]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_1.cin_used = "true",
add_sub_cella_1.lut_mask = "69b2",
add_sub_cella_1.operation_mode = "arithmetic",
add_sub_cella_1.sum_lutc_input = "cin",
add_sub_cella_1.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_2
(
.cin(wire_add_sub_cella_1cout[0:0]),
.combout(wire_add_sub_cella_combout[2:2]),
.cout(wire_add_sub_cella_2cout[0:0]),
.dataa(wire_add_sub_cella_dataa[2:2]),
.datab(wire_add_sub_cella_datab[2:2]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_2.cin_used = "true",
add_sub_cella_2.lut_mask = "69b2",
add_sub_cella_2.operation_mode = "arithmetic",
add_sub_cella_2.sum_lutc_input = "cin",
add_sub_cella_2.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_3
(
.cin(wire_add_sub_cella_2cout[0:0]),
.combout(wire_add_sub_cella_combout[3:3]),
.cout(wire_add_sub_cella_3cout[0:0]),
.dataa(wire_add_sub_cella_dataa[3:3]),
.datab(wire_add_sub_cella_datab[3:3]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_3.cin_used = "true",
add_sub_cella_3.lut_mask = "69b2",
add_sub_cella_3.operation_mode = "arithmetic",
add_sub_cella_3.sum_lutc_input = "cin",
add_sub_cella_3.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_4
(
.cin(wire_add_sub_cella_3cout[0:0]),
.combout(wire_add_sub_cella_combout[4:4]),
.cout(wire_add_sub_cella_4cout[0:0]),
.dataa(wire_add_sub_cella_dataa[4:4]),
.datab(wire_add_sub_cella_datab[4:4]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_4.cin_used = "true",
add_sub_cella_4.lut_mask = "69b2",
add_sub_cella_4.operation_mode = "arithmetic",
add_sub_cella_4.sum_lutc_input = "cin",
add_sub_cella_4.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_5
(
.cin(wire_add_sub_cella_4cout[0:0]),
.combout(wire_add_sub_cella_combout[5:5]),
.cout(wire_add_sub_cella_5cout[0:0]),
.dataa(wire_add_sub_cella_dataa[5:5]),
.datab(wire_add_sub_cella_datab[5:5]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_5.cin_used = "true",
add_sub_cella_5.lut_mask = "69b2",
add_sub_cella_5.operation_mode = "arithmetic",
add_sub_cella_5.sum_lutc_input = "cin",
add_sub_cella_5.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_6
(
.cin(wire_add_sub_cella_5cout[0:0]),
.combout(wire_add_sub_cella_combout[6:6]),
.cout(wire_add_sub_cella_6cout[0:0]),
.dataa(wire_add_sub_cella_dataa[6:6]),
.datab(wire_add_sub_cella_datab[6:6]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_6.cin_used = "true",
add_sub_cella_6.lut_mask = "69b2",
add_sub_cella_6.operation_mode = "arithmetic",
add_sub_cella_6.sum_lutc_input = "cin",
add_sub_cella_6.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_7
(
.cin(wire_add_sub_cella_6cout[0:0]),
.combout(wire_add_sub_cella_combout[7:7]),
.cout(wire_add_sub_cella_7cout[0:0]),
.dataa(wire_add_sub_cella_dataa[7:7]),
.datab(wire_add_sub_cella_datab[7:7]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_7.cin_used = "true",
add_sub_cella_7.lut_mask = "69b2",
add_sub_cella_7.operation_mode = "arithmetic",
add_sub_cella_7.sum_lutc_input = "cin",
add_sub_cella_7.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_8
(
.cin(wire_add_sub_cella_7cout[0:0]),
.combout(wire_add_sub_cella_combout[8:8]),
.cout(wire_add_sub_cella_8cout[0:0]),
.dataa(wire_add_sub_cella_dataa[8:8]),
.datab(wire_add_sub_cella_datab[8:8]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_8.cin_used = "true",
add_sub_cella_8.lut_mask = "69b2",
add_sub_cella_8.operation_mode = "arithmetic",
add_sub_cella_8.sum_lutc_input = "cin",
add_sub_cella_8.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_9
(
.cin(wire_add_sub_cella_8cout[0:0]),
.combout(wire_add_sub_cella_combout[9:9]),
.cout(wire_add_sub_cella_9cout[0:0]),
.dataa(wire_add_sub_cella_dataa[9:9]),
.datab(wire_add_sub_cella_datab[9:9]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_9.cin_used = "true",
add_sub_cella_9.lut_mask = "69b2",
add_sub_cella_9.operation_mode = "arithmetic",
add_sub_cella_9.sum_lutc_input = "cin",
add_sub_cella_9.lpm_type = "cyclone_lcell";
cyclone_lcell add_sub_cella_10
(
.cin(wire_add_sub_cella_9cout[0:0]),
.combout(wire_add_sub_cella_combout[10:10]),
.cout(),
.dataa(wire_add_sub_cella_dataa[10:10]),
.datab(wire_add_sub_cella_datab[10:10]),
.regout()
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_off
`endif
,
.aclr(1'b0),
.aload(1'b0),
.clk(1'b1),
.datac(1'b1),
.datad(1'b1),
.ena(1'b1),
.inverta(1'b0),
.regcascin(1'b0),
.sclr(1'b0),
.sload(1'b0)
`ifdef FORMAL_VERIFICATION
`else
// synopsys translate_on
`endif
// synopsys translate_off
,
.cin0(),
.cin1(),
.cout0(),
.cout1(),
.devclrn(),
.devpor()
// synopsys translate_on
);
defparam
add_sub_cella_10.cin_used = "true",
add_sub_cella_10.lut_mask = "6969",
add_sub_cella_10.operation_mode = "normal",
add_sub_cella_10.sum_lutc_input = "cin",
add_sub_cella_10.lpm_type = "cyclone_lcell";
assign
wire_add_sub_cella_dataa = dataa,
wire_add_sub_cella_datab = datab;
assign
result = wire_add_sub_cella_combout;
endmodule
|
module fifo_2k_dcfifo_0cq
(
aclr,
data,
q,
rdclk,
rdempty,
rdreq,
rdusedw,
wrclk,
wrfull,
wrreq,
wrusedw) /* synthesis synthesis_clearbox=1 */
/* synthesis ALTERA_ATTRIBUTE="AUTO_SHIFT_REGISTER_RECOGNITION=OFF;{ -from \"rdptr_g|power_modified_counter_values\" -to \"ws_dgrp|dffpipe5|dffe6a\" }CUT=ON;{ -from \"delayed_wrptr_g\" -to \"rs_dgwp|dffpipe5|dffe6a\" }CUT=ON" */;
input aclr;
input [15:0] data;
output [15:0] q;
input rdclk;
output rdempty;
input rdreq;
output [10:0] rdusedw;
input wrclk;
output wrfull;
input wrreq;
output [10:0] wrusedw;
wire [10:0] wire_rdptr_g_gray2bin_bin;
wire [10:0] wire_rs_dgwp_gray2bin_bin;
wire [10:0] wire_wrptr_g_gray2bin_bin;
wire [10:0] wire_ws_dgrp_gray2bin_bin;
wire [10:0] wire_rdptr_g_q;
wire [10:0] wire_rdptr_g1p_q;
wire [10:0] wire_wrptr_g1p_q;
wire [15:0] wire_fifo_ram_q_b;
reg [10:0] delayed_wrptr_g;
reg [10:0] wrptr_g;
wire [10:0] wire_rs_brp_q;
wire [10:0] wire_rs_bwp_q;
wire [10:0] wire_rs_dgwp_q;
wire [10:0] wire_ws_brp_q;
wire [10:0] wire_ws_bwp_q;
wire [10:0] wire_ws_dgrp_q;
wire [10:0] wire_rdusedw_sub_result;
wire [10:0] wire_wrusedw_sub_result;
reg wire_rdempty_eq_comp_aeb_int;
wire wire_rdempty_eq_comp_aeb;
wire [10:0] wire_rdempty_eq_comp_dataa;
wire [10:0] wire_rdempty_eq_comp_datab;
reg wire_wrfull_eq_comp_aeb_int;
wire wire_wrfull_eq_comp_aeb;
wire [10:0] wire_wrfull_eq_comp_dataa;
wire [10:0] wire_wrfull_eq_comp_datab;
wire int_rdempty;
wire int_wrfull;
wire valid_rdreq;
wire valid_wrreq;
fifo_2k_a_gray2bin_8m4 rdptr_g_gray2bin
(
.bin(wire_rdptr_g_gray2bin_bin),
.gray(wire_rdptr_g_q));
fifo_2k_a_gray2bin_8m4 rs_dgwp_gray2bin
(
.bin(wire_rs_dgwp_gray2bin_bin),
.gray(wire_rs_dgwp_q));
fifo_2k_a_gray2bin_8m4 wrptr_g_gray2bin
(
.bin(wire_wrptr_g_gray2bin_bin),
.gray(wrptr_g));
fifo_2k_a_gray2bin_8m4 ws_dgrp_gray2bin
(
.bin(wire_ws_dgrp_gray2bin_bin),
.gray(wire_ws_dgrp_q));
fifo_2k_a_graycounter_726 rdptr_g
(
.aclr(aclr),
.clock(rdclk),
.cnt_en(valid_rdreq),
.q(wire_rdptr_g_q));
fifo_2k_a_graycounter_2r6 rdptr_g1p
(
.aclr(aclr),
.clock(rdclk),
.cnt_en(valid_rdreq),
.q(wire_rdptr_g1p_q));
fifo_2k_a_graycounter_2r6 wrptr_g1p
(
.aclr(aclr),
.clock(wrclk),
.cnt_en(valid_wrreq),
.q(wire_wrptr_g1p_q));
fifo_2k_altsyncram_6pl fifo_ram
(
.address_a(wrptr_g),
.address_b(((wire_rdptr_g_q & {11{int_rdempty}}) | (wire_rdptr_g1p_q & {11{(~ int_rdempty)}}))),
.clock0(wrclk),
.clock1(rdclk),
.clocken1((valid_rdreq | int_rdempty)),
.data_a(data),
.q_b(wire_fifo_ram_q_b),
.wren_a(valid_wrreq));
// synopsys translate_off
initial
delayed_wrptr_g = 0;
// synopsys translate_on
always @ ( posedge wrclk or posedge aclr)
if (aclr == 1'b1) delayed_wrptr_g <= 11'b0;
else delayed_wrptr_g <= wrptr_g;
// synopsys translate_off
initial
wrptr_g = 0;
// synopsys translate_on
always @ ( posedge wrclk or posedge aclr)
if (aclr == 1'b1) wrptr_g <= 11'b0;
else if (valid_wrreq == 1'b1) wrptr_g <= wire_wrptr_g1p_q;
fifo_2k_dffpipe_ab3 rs_brp
(
.clock(rdclk),
.clrn((~ aclr)),
.d(wire_rdptr_g_gray2bin_bin),
.q(wire_rs_brp_q));
fifo_2k_dffpipe_ab3 rs_bwp
(
.clock(rdclk),
.clrn((~ aclr)),
.d(wire_rs_dgwp_gray2bin_bin),
.q(wire_rs_bwp_q));
fifo_2k_alt_synch_pipe_dm2 rs_dgwp
(
.clock(rdclk),
.clrn((~ aclr)),
.d(delayed_wrptr_g),
.q(wire_rs_dgwp_q));
fifo_2k_dffpipe_ab3 ws_brp
(
.clock(wrclk),
.clrn((~ aclr)),
.d(wire_ws_dgrp_gray2bin_bin),
.q(wire_ws_brp_q));
fifo_2k_dffpipe_ab3 ws_bwp
(
.clock(wrclk),
.clrn((~ aclr)),
.d(wire_wrptr_g_gray2bin_bin),
.q(wire_ws_bwp_q));
fifo_2k_alt_synch_pipe_dm2 ws_dgrp
(
.clock(wrclk),
.clrn((~ aclr)),
.d(wire_rdptr_g_q),
.q(wire_ws_dgrp_q));
fifo_2k_add_sub_a18 rdusedw_sub
(
.dataa(wire_rs_bwp_q),
.datab(wire_rs_brp_q),
.result(wire_rdusedw_sub_result));
fifo_2k_add_sub_a18 wrusedw_sub
(
.dataa(wire_ws_bwp_q),
.datab(wire_ws_brp_q),
.result(wire_wrusedw_sub_result));
always @(wire_rdempty_eq_comp_dataa or wire_rdempty_eq_comp_datab)
if (wire_rdempty_eq_comp_dataa == wire_rdempty_eq_comp_datab)
begin
wire_rdempty_eq_comp_aeb_int = 1'b1;
end
else
begin
wire_rdempty_eq_comp_aeb_int = 1'b0;
end
assign
wire_rdempty_eq_comp_aeb = wire_rdempty_eq_comp_aeb_int;
assign
wire_rdempty_eq_comp_dataa = wire_rs_dgwp_q,
wire_rdempty_eq_comp_datab = wire_rdptr_g_q;
always @(wire_wrfull_eq_comp_dataa or wire_wrfull_eq_comp_datab)
if (wire_wrfull_eq_comp_dataa == wire_wrfull_eq_comp_datab)
begin
wire_wrfull_eq_comp_aeb_int = 1'b1;
end
else
begin
wire_wrfull_eq_comp_aeb_int = 1'b0;
end
assign
wire_wrfull_eq_comp_aeb = wire_wrfull_eq_comp_aeb_int;
assign
wire_wrfull_eq_comp_dataa = wire_ws_dgrp_q,
wire_wrfull_eq_comp_datab = wire_wrptr_g1p_q;
assign
int_rdempty = wire_rdempty_eq_comp_aeb,
int_wrfull = wire_wrfull_eq_comp_aeb,
q = wire_fifo_ram_q_b,
rdempty = int_rdempty,
rdusedw = wire_rdusedw_sub_result,
valid_rdreq = rdreq,
valid_wrreq = wrreq,
wrfull = int_wrfull,
wrusedw = wire_wrusedw_sub_result;
endmodule
|
module fifo_2k (
data,
wrreq,
rdreq,
rdclk,
wrclk,
aclr,
q,
rdempty,
rdusedw,
wrfull,
wrusedw)/* synthesis synthesis_clearbox = 1 */;
input [15:0] data;
input wrreq;
input rdreq;
input rdclk;
input wrclk;
input aclr;
output [15:0] q;
output rdempty;
output [10:0] rdusedw;
output wrfull;
output [10:0] wrusedw;
wire sub_wire0;
wire [10:0] sub_wire1;
wire sub_wire2;
wire [15:0] sub_wire3;
wire [10:0] sub_wire4;
wire rdempty = sub_wire0;
wire [10:0] wrusedw = sub_wire1[10:0];
wire wrfull = sub_wire2;
wire [15:0] q = sub_wire3[15:0];
wire [10:0] rdusedw = sub_wire4[10:0];
fifo_2k_dcfifo_0cq fifo_2k_dcfifo_0cq_component (
.wrclk (wrclk),
.rdreq (rdreq),
.aclr (aclr),
.rdclk (rdclk),
.wrreq (wrreq),
.data (data),
.rdempty (sub_wire0),
.wrusedw (sub_wire1),
.wrfull (sub_wire2),
.q (sub_wire3),
.rdusedw (sub_wire4));
endmodule
|
module altera_reset_controller
#(
parameter NUM_RESET_INPUTS = 6,
parameter USE_RESET_REQUEST_IN0 = 0,
parameter USE_RESET_REQUEST_IN1 = 0,
parameter USE_RESET_REQUEST_IN2 = 0,
parameter USE_RESET_REQUEST_IN3 = 0,
parameter USE_RESET_REQUEST_IN4 = 0,
parameter USE_RESET_REQUEST_IN5 = 0,
parameter USE_RESET_REQUEST_IN6 = 0,
parameter USE_RESET_REQUEST_IN7 = 0,
parameter USE_RESET_REQUEST_IN8 = 0,
parameter USE_RESET_REQUEST_IN9 = 0,
parameter USE_RESET_REQUEST_IN10 = 0,
parameter USE_RESET_REQUEST_IN11 = 0,
parameter USE_RESET_REQUEST_IN12 = 0,
parameter USE_RESET_REQUEST_IN13 = 0,
parameter USE_RESET_REQUEST_IN14 = 0,
parameter USE_RESET_REQUEST_IN15 = 0,
parameter OUTPUT_RESET_SYNC_EDGES = "deassert",
parameter SYNC_DEPTH = 2,
parameter RESET_REQUEST_PRESENT = 0,
parameter RESET_REQ_WAIT_TIME = 3,
parameter MIN_RST_ASSERTION_TIME = 11,
parameter RESET_REQ_EARLY_DSRT_TIME = 4,
parameter ADAPT_RESET_REQUEST = 0
)
(
// --------------------------------------
// We support up to 16 reset inputs, for now
// --------------------------------------
input reset_in0,
input reset_in1,
input reset_in2,
input reset_in3,
input reset_in4,
input reset_in5,
input reset_in6,
input reset_in7,
input reset_in8,
input reset_in9,
input reset_in10,
input reset_in11,
input reset_in12,
input reset_in13,
input reset_in14,
input reset_in15,
input reset_req_in0,
input reset_req_in1,
input reset_req_in2,
input reset_req_in3,
input reset_req_in4,
input reset_req_in5,
input reset_req_in6,
input reset_req_in7,
input reset_req_in8,
input reset_req_in9,
input reset_req_in10,
input reset_req_in11,
input reset_req_in12,
input reset_req_in13,
input reset_req_in14,
input reset_req_in15,
input clk,
output reg reset_out,
output reg reset_req
);
// Always use async reset synchronizer if reset_req is used
localparam ASYNC_RESET = (OUTPUT_RESET_SYNC_EDGES == "deassert");
// --------------------------------------
// Local parameter to control the reset_req and reset_out timing when RESET_REQUEST_PRESENT==1
// --------------------------------------
localparam MIN_METASTABLE = 3;
localparam RSTREQ_ASRT_SYNC_TAP = MIN_METASTABLE + RESET_REQ_WAIT_TIME;
localparam LARGER = RESET_REQ_WAIT_TIME > RESET_REQ_EARLY_DSRT_TIME ? RESET_REQ_WAIT_TIME : RESET_REQ_EARLY_DSRT_TIME;
localparam ASSERTION_CHAIN_LENGTH = (MIN_METASTABLE > LARGER) ?
MIN_RST_ASSERTION_TIME + 1 :
(
(MIN_RST_ASSERTION_TIME > LARGER)?
MIN_RST_ASSERTION_TIME + (LARGER - MIN_METASTABLE + 1) + 1 :
MIN_RST_ASSERTION_TIME + RESET_REQ_EARLY_DSRT_TIME + RESET_REQ_WAIT_TIME - MIN_METASTABLE + 2
);
localparam RESET_REQ_DRST_TAP = RESET_REQ_EARLY_DSRT_TIME + 1;
// --------------------------------------
wire merged_reset;
wire merged_reset_req_in;
wire reset_out_pre;
wire reset_req_pre;
// Registers and Interconnect
(*preserve*) reg [RSTREQ_ASRT_SYNC_TAP: 0] altera_reset_synchronizer_int_chain;
reg [ASSERTION_CHAIN_LENGTH-1: 0] r_sync_rst_chain;
reg r_sync_rst;
reg r_early_rst;
// --------------------------------------
// "Or" all the input resets together
// --------------------------------------
assign merged_reset = (
reset_in0 |
reset_in1 |
reset_in2 |
reset_in3 |
reset_in4 |
reset_in5 |
reset_in6 |
reset_in7 |
reset_in8 |
reset_in9 |
reset_in10 |
reset_in11 |
reset_in12 |
reset_in13 |
reset_in14 |
reset_in15
);
assign merged_reset_req_in = (
( (USE_RESET_REQUEST_IN0 == 1) ? reset_req_in0 : 1'b0) |
( (USE_RESET_REQUEST_IN1 == 1) ? reset_req_in1 : 1'b0) |
( (USE_RESET_REQUEST_IN2 == 1) ? reset_req_in2 : 1'b0) |
( (USE_RESET_REQUEST_IN3 == 1) ? reset_req_in3 : 1'b0) |
( (USE_RESET_REQUEST_IN4 == 1) ? reset_req_in4 : 1'b0) |
( (USE_RESET_REQUEST_IN5 == 1) ? reset_req_in5 : 1'b0) |
( (USE_RESET_REQUEST_IN6 == 1) ? reset_req_in6 : 1'b0) |
( (USE_RESET_REQUEST_IN7 == 1) ? reset_req_in7 : 1'b0) |
( (USE_RESET_REQUEST_IN8 == 1) ? reset_req_in8 : 1'b0) |
( (USE_RESET_REQUEST_IN9 == 1) ? reset_req_in9 : 1'b0) |
( (USE_RESET_REQUEST_IN10 == 1) ? reset_req_in10 : 1'b0) |
( (USE_RESET_REQUEST_IN11 == 1) ? reset_req_in11 : 1'b0) |
( (USE_RESET_REQUEST_IN12 == 1) ? reset_req_in12 : 1'b0) |
( (USE_RESET_REQUEST_IN13 == 1) ? reset_req_in13 : 1'b0) |
( (USE_RESET_REQUEST_IN14 == 1) ? reset_req_in14 : 1'b0) |
( (USE_RESET_REQUEST_IN15 == 1) ? reset_req_in15 : 1'b0)
);
// --------------------------------------
// And if required, synchronize it to the required clock domain,
// with the correct synchronization type
// --------------------------------------
generate if (OUTPUT_RESET_SYNC_EDGES == "none" && (RESET_REQUEST_PRESENT==0)) begin
assign reset_out_pre = merged_reset;
assign reset_req_pre = merged_reset_req_in;
end else begin
altera_reset_synchronizer
#(
.DEPTH (SYNC_DEPTH),
.ASYNC_RESET(RESET_REQUEST_PRESENT? 1'b1 : ASYNC_RESET)
)
alt_rst_sync_uq1
(
.clk (clk),
.reset_in (merged_reset),
.reset_out (reset_out_pre)
);
altera_reset_synchronizer
#(
.DEPTH (SYNC_DEPTH),
.ASYNC_RESET(0)
)
alt_rst_req_sync_uq1
(
.clk (clk),
.reset_in (merged_reset_req_in),
.reset_out (reset_req_pre)
);
end
endgenerate
generate if ( ( (RESET_REQUEST_PRESENT == 0) && (ADAPT_RESET_REQUEST==0) )|
( (ADAPT_RESET_REQUEST == 1) && (OUTPUT_RESET_SYNC_EDGES != "deassert") ) ) begin
always @* begin
reset_out = reset_out_pre;
reset_req = reset_req_pre;
end
end else if ( (RESET_REQUEST_PRESENT == 0) && (ADAPT_RESET_REQUEST==1) ) begin
wire reset_out_pre2;
altera_reset_synchronizer
#(
.DEPTH (SYNC_DEPTH+1),
.ASYNC_RESET(0)
)
alt_rst_sync_uq2
(
.clk (clk),
.reset_in (reset_out_pre),
.reset_out (reset_out_pre2)
);
always @* begin
reset_out = reset_out_pre2;
reset_req = reset_req_pre;
end
end
else begin
// 3-FF Metastability Synchronizer
initial
begin
altera_reset_synchronizer_int_chain <= {RSTREQ_ASRT_SYNC_TAP{1'b1}};
end
always @(posedge clk)
begin
altera_reset_synchronizer_int_chain[RSTREQ_ASRT_SYNC_TAP:0] <=
{altera_reset_synchronizer_int_chain[RSTREQ_ASRT_SYNC_TAP-1:0], reset_out_pre};
end
// Synchronous reset pipe
initial
begin
r_sync_rst_chain <= {ASSERTION_CHAIN_LENGTH{1'b1}};
end
always @(posedge clk)
begin
if (altera_reset_synchronizer_int_chain[MIN_METASTABLE-1] == 1'b1)
begin
r_sync_rst_chain <= {ASSERTION_CHAIN_LENGTH{1'b1}};
end
else
begin
r_sync_rst_chain <= {1'b0, r_sync_rst_chain[ASSERTION_CHAIN_LENGTH-1:1]};
end
end
// Standard synchronous reset output. From 0-1, the transition lags the early output. For 1->0, the transition
// matches the early input.
always @(posedge clk)
begin
case ({altera_reset_synchronizer_int_chain[RSTREQ_ASRT_SYNC_TAP], r_sync_rst_chain[1], r_sync_rst})
3'b000: r_sync_rst <= 1'b0; // Not reset
3'b001: r_sync_rst <= 1'b0;
3'b010: r_sync_rst <= 1'b0;
3'b011: r_sync_rst <= 1'b1;
3'b100: r_sync_rst <= 1'b1;
3'b101: r_sync_rst <= 1'b1;
3'b110: r_sync_rst <= 1'b1;
3'b111: r_sync_rst <= 1'b1; // In Reset
default: r_sync_rst <= 1'b1;
endcase
case ({r_sync_rst_chain[1], r_sync_rst_chain[RESET_REQ_DRST_TAP] | reset_req_pre})
2'b00: r_early_rst <= 1'b0; // Not reset
2'b01: r_early_rst <= 1'b1; // Coming out of reset
2'b10: r_early_rst <= 1'b0; // Spurious reset - should not be possible via synchronous design.
2'b11: r_early_rst <= 1'b1; // Held in reset
default: r_early_rst <= 1'b1;
endcase
end
always @* begin
reset_out = r_sync_rst;
reset_req = r_early_rst;
end
end
endgenerate
endmodule
|
module
.idelayctrl_refclk (),
.phy_dout (phy_dout),
.phy_cmd_wr_en (phy_cmd_wr_en),
.phy_data_wr_en (phy_data_wr_en),
.phy_rd_en (phy_rd_en),
.phy_ctl_wd (phy_ctl_wd_temp),
.phy_ctl_wr (phy_ctl_wr_temp),
.if_empty_def (phy_if_empty_def),
.if_rst (phy_if_reset),
.phyGo ('b1),
.aux_in_1 (aux_in_1),
.aux_in_2 (aux_in_2),
// No support yet for different data offsets for different I/O banks
// (possible use in supporting wider range of skew among bytes)
.data_offset_1 (data_offset_1_temp),
.data_offset_2 (data_offset_2_temp),
.cke_in (),
.if_a_empty (),
.if_empty (if_empty),
.if_empty_or (),
.if_empty_and (),
.of_ctl_a_full (),
// .of_data_a_full (phy_data_full),
.of_ctl_full (phy_cmd_full),
.of_data_full (),
.pre_data_a_full (phy_pre_data_a_full),
.idelay_ld (idelay_ld),
.idelay_ce (idelay_ce),
.idelay_inc (idelay_inc),
.input_sink (),
.phy_din (phy_din),
.phy_ctl_a_full (),
.phy_ctl_full (phy_ctl_full_temp),
.mem_dq_out (mem_dq_out),
.mem_dq_ts (mem_dq_ts),
.mem_dq_in (mem_dq_in),
.mem_dqs_out (mem_dqs_out),
.mem_dqs_ts (mem_dqs_ts),
.mem_dqs_in (mem_dqs_in),
.aux_out (aux_out),
.phy_ctl_ready (),
.rst_out (),
.ddr_clk (ddr_clk),
//.rclk (),
.mcGo (phy_mc_go),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
.calib_sel (calib_sel),
.calib_in_common (calib_in_common),
.calib_zero_inputs (calib_zero_inputs),
.calib_zero_ctrl (calib_zero_ctrl),
.calib_zero_lanes ('b0),
.po_fine_enable (po_fine_enable),
.po_coarse_enable (po_coarse_enable),
.po_fine_inc (po_fine_inc),
.po_coarse_inc (po_coarse_inc),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (),
.po_fine_overflow (),
.po_counter_read_val (po_counter_read_val),
.pi_rst_dqs_find (pi_rst_dqs_find),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (dbg_pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (),
.pi_counter_read_val (pi_counter_read_val),
.pi_phase_locked (pi_phase_locked),
.pi_phase_locked_all (pi_phase_locked_all),
.pi_dqs_found (),
.pi_dqs_found_any (pi_dqs_found),
.pi_dqs_found_all (pi_dqs_found_all),
.pi_dqs_found_lanes (dbg_pi_dqs_found_lanes_phy4lanes),
// Currently not being used. May be used in future if periodic
// reads become a requirement. This output could be used to signal
// a catastrophic failure in read capture and the need for
// re-calibration.
.pi_dqs_out_of_range (pi_dqs_out_of_range)
,.ref_dll_lock (ref_dll_lock)
,.pi_phase_locked_lanes (dbg_pi_phase_locked_phy4lanes)
,.fine_delay (fine_delay_mod)
,.fine_delay_sel (fine_delay_sel_r)
// ,.rst_phaser_ref (rst_phaser_ref)
);
endmodule
|
module
.idelayctrl_refclk (),
.phy_dout (phy_dout),
.phy_cmd_wr_en (phy_cmd_wr_en),
.phy_data_wr_en (phy_data_wr_en),
.phy_rd_en (phy_rd_en),
.phy_ctl_wd (phy_ctl_wd_temp),
.phy_ctl_wr (phy_ctl_wr_temp),
.if_empty_def (phy_if_empty_def),
.if_rst (phy_if_reset),
.phyGo ('b1),
.aux_in_1 (aux_in_1),
.aux_in_2 (aux_in_2),
// No support yet for different data offsets for different I/O banks
// (possible use in supporting wider range of skew among bytes)
.data_offset_1 (data_offset_1_temp),
.data_offset_2 (data_offset_2_temp),
.cke_in (),
.if_a_empty (),
.if_empty (if_empty),
.if_empty_or (),
.if_empty_and (),
.of_ctl_a_full (),
// .of_data_a_full (phy_data_full),
.of_ctl_full (phy_cmd_full),
.of_data_full (),
.pre_data_a_full (phy_pre_data_a_full),
.idelay_ld (idelay_ld),
.idelay_ce (idelay_ce),
.idelay_inc (idelay_inc),
.input_sink (),
.phy_din (phy_din),
.phy_ctl_a_full (),
.phy_ctl_full (phy_ctl_full_temp),
.mem_dq_out (mem_dq_out),
.mem_dq_ts (mem_dq_ts),
.mem_dq_in (mem_dq_in),
.mem_dqs_out (mem_dqs_out),
.mem_dqs_ts (mem_dqs_ts),
.mem_dqs_in (mem_dqs_in),
.aux_out (aux_out),
.phy_ctl_ready (),
.rst_out (),
.ddr_clk (ddr_clk),
//.rclk (),
.mcGo (phy_mc_go),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
.calib_sel (calib_sel),
.calib_in_common (calib_in_common),
.calib_zero_inputs (calib_zero_inputs),
.calib_zero_ctrl (calib_zero_ctrl),
.calib_zero_lanes ('b0),
.po_fine_enable (po_fine_enable),
.po_coarse_enable (po_coarse_enable),
.po_fine_inc (po_fine_inc),
.po_coarse_inc (po_coarse_inc),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (),
.po_fine_overflow (),
.po_counter_read_val (po_counter_read_val),
.pi_rst_dqs_find (pi_rst_dqs_find),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (dbg_pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (),
.pi_counter_read_val (pi_counter_read_val),
.pi_phase_locked (pi_phase_locked),
.pi_phase_locked_all (pi_phase_locked_all),
.pi_dqs_found (),
.pi_dqs_found_any (pi_dqs_found),
.pi_dqs_found_all (pi_dqs_found_all),
.pi_dqs_found_lanes (dbg_pi_dqs_found_lanes_phy4lanes),
// Currently not being used. May be used in future if periodic
// reads become a requirement. This output could be used to signal
// a catastrophic failure in read capture and the need for
// re-calibration.
.pi_dqs_out_of_range (pi_dqs_out_of_range)
,.ref_dll_lock (ref_dll_lock)
,.pi_phase_locked_lanes (dbg_pi_phase_locked_phy4lanes)
,.fine_delay (fine_delay_mod)
,.fine_delay_sel (fine_delay_sel_r)
// ,.rst_phaser_ref (rst_phaser_ref)
);
endmodule
|
module mig_7series_v2_3_ecc_buf
#(
parameter TCQ = 100,
parameter PAYLOAD_WIDTH = 64,
parameter DATA_BUF_ADDR_WIDTH = 4,
parameter DATA_BUF_OFFSET_WIDTH = 1,
parameter DATA_WIDTH = 64,
parameter nCK_PER_CLK = 4
)
(
/*AUTOARG*/
// Outputs
rd_merge_data,
// Inputs
clk, rst, rd_data_addr, rd_data_offset, wr_data_addr,
wr_data_offset, rd_data, wr_ecc_buf
);
input clk;
input rst;
// RMW architecture supports only 16 data buffer entries.
// Allow DATA_BUF_ADDR_WIDTH to be greater than 4, but
// assume the upper bits are used for tagging.
input [DATA_BUF_ADDR_WIDTH-1:0] rd_data_addr;
input [DATA_BUF_OFFSET_WIDTH-1:0] rd_data_offset;
wire [4:0] buf_wr_addr;
input [DATA_BUF_ADDR_WIDTH-1:0] wr_data_addr;
input [DATA_BUF_OFFSET_WIDTH-1:0] wr_data_offset;
reg [4:0] buf_rd_addr_r;
generate
if (DATA_BUF_ADDR_WIDTH >= 4) begin : ge_4_addr_bits
always @(posedge clk)
buf_rd_addr_r <= #TCQ{wr_data_addr[3:0], wr_data_offset};
assign buf_wr_addr = {rd_data_addr[3:0], rd_data_offset};
end
else begin : lt_4_addr_bits
always @(posedge clk)
buf_rd_addr_r <= #TCQ{{4-DATA_BUF_ADDR_WIDTH{1'b0}},
wr_data_addr[DATA_BUF_ADDR_WIDTH-1:0],
wr_data_offset};
assign buf_wr_addr = {{4-DATA_BUF_ADDR_WIDTH{1'b0}},
rd_data_addr[DATA_BUF_ADDR_WIDTH-1:0],
rd_data_offset};
end
endgenerate
input [2*nCK_PER_CLK*PAYLOAD_WIDTH-1:0] rd_data;
reg [2*nCK_PER_CLK*DATA_WIDTH-1:0] payload;
integer h;
always @(/*AS*/rd_data)
for (h=0; h<2*nCK_PER_CLK; h=h+1)
payload[h*DATA_WIDTH+:DATA_WIDTH] =
rd_data[h*PAYLOAD_WIDTH+:DATA_WIDTH];
input wr_ecc_buf;
localparam BUF_WIDTH = 2*nCK_PER_CLK*DATA_WIDTH;
localparam FULL_RAM_CNT = (BUF_WIDTH/6);
localparam REMAINDER = BUF_WIDTH % 6;
localparam RAM_CNT = FULL_RAM_CNT + ((REMAINDER == 0 ) ? 0 : 1);
localparam RAM_WIDTH = (RAM_CNT*6);
wire [RAM_WIDTH-1:0] buf_out_data;
generate
begin : ram_buf
wire [RAM_WIDTH-1:0] buf_in_data;
if (REMAINDER == 0)
assign buf_in_data = payload;
else
assign buf_in_data = {{6-REMAINDER{1'b0}}, payload};
genvar i;
for (i=0; i<RAM_CNT; i=i+1) begin : rd_buffer_ram
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(buf_out_data[((i*6)+4)+:2]),
.DOB(buf_out_data[((i*6)+2)+:2]),
.DOC(buf_out_data[((i*6)+0)+:2]),
.DOD(),
.DIA(buf_in_data[((i*6)+4)+:2]),
.DIB(buf_in_data[((i*6)+2)+:2]),
.DIC(buf_in_data[((i*6)+0)+:2]),
.DID(2'b0),
.ADDRA(buf_rd_addr_r),
.ADDRB(buf_rd_addr_r),
.ADDRC(buf_rd_addr_r),
.ADDRD(buf_wr_addr),
.WE(wr_ecc_buf),
.WCLK(clk)
);
end // block: rd_buffer_ram
end
endgenerate
output wire [2*nCK_PER_CLK*DATA_WIDTH-1:0] rd_merge_data;
assign rd_merge_data = buf_out_data[2*nCK_PER_CLK*DATA_WIDTH-1:0];
endmodule
|
module mig_7series_v2_3_fi_xor #
(
///////////////////////////////////////////////////////////////////////////////
// Parameter Definitions
///////////////////////////////////////////////////////////////////////////////
// External Memory Data Width
parameter integer DQ_WIDTH = 72,
parameter integer DQS_WIDTH = 9,
parameter integer nCK_PER_CLK = 4
)
(
///////////////////////////////////////////////////////////////////////////////
// Port Declarations
///////////////////////////////////////////////////////////////////////////////
input wire clk ,
input wire [2*nCK_PER_CLK*DQ_WIDTH-1:0] wrdata_in ,
output wire [2*nCK_PER_CLK*DQ_WIDTH-1:0] wrdata_out ,
input wire wrdata_en ,
input wire [DQS_WIDTH-1:0] fi_xor_we ,
input wire [DQ_WIDTH-1:0] fi_xor_wrdata
);
/////////////////////////////////////////////////////////////////////////////
// Functions
/////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// Local parameters
////////////////////////////////////////////////////////////////////////////////
localparam DQ_PER_DQS = DQ_WIDTH / DQS_WIDTH;
////////////////////////////////////////////////////////////////////////////////
// Wires/Reg declarations
////////////////////////////////////////////////////////////////////////////////
reg [DQ_WIDTH-1:0] fi_xor_data = {DQ_WIDTH{1'b0}};
////////////////////////////////////////////////////////////////////////////////
// BEGIN RTL
///////////////////////////////////////////////////////////////////////////////
// Register in the fi_xor_wrdata on a byte width basis
generate
begin
genvar i;
for (i = 0; i < DQS_WIDTH; i = i + 1) begin : assign_fi_xor_data
always @(posedge clk) begin
if (wrdata_en) begin
fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS] <= {DQ_PER_DQS{1'b0}};
end
else if (fi_xor_we[i]) begin
fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS] <= fi_xor_wrdata[i*DQ_PER_DQS+:DQ_PER_DQS];
end
else begin
fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS] <= fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS];
end
end
end
end
endgenerate
assign wrdata_out[0+:DQ_WIDTH] = wrdata_in[0+:DQ_WIDTH] ^ fi_xor_data[0+:DQ_WIDTH];
// Pass through upper bits
assign wrdata_out[DQ_WIDTH+:(2*nCK_PER_CLK-1)*DQ_WIDTH] = wrdata_in[DQ_WIDTH+:(2*nCK_PER_CLK-1)*DQ_WIDTH];
endmodule
|
module mig_7series_v2_3_fi_xor #
(
///////////////////////////////////////////////////////////////////////////////
// Parameter Definitions
///////////////////////////////////////////////////////////////////////////////
// External Memory Data Width
parameter integer DQ_WIDTH = 72,
parameter integer DQS_WIDTH = 9,
parameter integer nCK_PER_CLK = 4
)
(
///////////////////////////////////////////////////////////////////////////////
// Port Declarations
///////////////////////////////////////////////////////////////////////////////
input wire clk ,
input wire [2*nCK_PER_CLK*DQ_WIDTH-1:0] wrdata_in ,
output wire [2*nCK_PER_CLK*DQ_WIDTH-1:0] wrdata_out ,
input wire wrdata_en ,
input wire [DQS_WIDTH-1:0] fi_xor_we ,
input wire [DQ_WIDTH-1:0] fi_xor_wrdata
);
/////////////////////////////////////////////////////////////////////////////
// Functions
/////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// Local parameters
////////////////////////////////////////////////////////////////////////////////
localparam DQ_PER_DQS = DQ_WIDTH / DQS_WIDTH;
////////////////////////////////////////////////////////////////////////////////
// Wires/Reg declarations
////////////////////////////////////////////////////////////////////////////////
reg [DQ_WIDTH-1:0] fi_xor_data = {DQ_WIDTH{1'b0}};
////////////////////////////////////////////////////////////////////////////////
// BEGIN RTL
///////////////////////////////////////////////////////////////////////////////
// Register in the fi_xor_wrdata on a byte width basis
generate
begin
genvar i;
for (i = 0; i < DQS_WIDTH; i = i + 1) begin : assign_fi_xor_data
always @(posedge clk) begin
if (wrdata_en) begin
fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS] <= {DQ_PER_DQS{1'b0}};
end
else if (fi_xor_we[i]) begin
fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS] <= fi_xor_wrdata[i*DQ_PER_DQS+:DQ_PER_DQS];
end
else begin
fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS] <= fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS];
end
end
end
end
endgenerate
assign wrdata_out[0+:DQ_WIDTH] = wrdata_in[0+:DQ_WIDTH] ^ fi_xor_data[0+:DQ_WIDTH];
// Pass through upper bits
assign wrdata_out[DQ_WIDTH+:(2*nCK_PER_CLK-1)*DQ_WIDTH] = wrdata_in[DQ_WIDTH+:(2*nCK_PER_CLK-1)*DQ_WIDTH];
endmodule
|
module mig_7series_v2_3_fi_xor #
(
///////////////////////////////////////////////////////////////////////////////
// Parameter Definitions
///////////////////////////////////////////////////////////////////////////////
// External Memory Data Width
parameter integer DQ_WIDTH = 72,
parameter integer DQS_WIDTH = 9,
parameter integer nCK_PER_CLK = 4
)
(
///////////////////////////////////////////////////////////////////////////////
// Port Declarations
///////////////////////////////////////////////////////////////////////////////
input wire clk ,
input wire [2*nCK_PER_CLK*DQ_WIDTH-1:0] wrdata_in ,
output wire [2*nCK_PER_CLK*DQ_WIDTH-1:0] wrdata_out ,
input wire wrdata_en ,
input wire [DQS_WIDTH-1:0] fi_xor_we ,
input wire [DQ_WIDTH-1:0] fi_xor_wrdata
);
/////////////////////////////////////////////////////////////////////////////
// Functions
/////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// Local parameters
////////////////////////////////////////////////////////////////////////////////
localparam DQ_PER_DQS = DQ_WIDTH / DQS_WIDTH;
////////////////////////////////////////////////////////////////////////////////
// Wires/Reg declarations
////////////////////////////////////////////////////////////////////////////////
reg [DQ_WIDTH-1:0] fi_xor_data = {DQ_WIDTH{1'b0}};
////////////////////////////////////////////////////////////////////////////////
// BEGIN RTL
///////////////////////////////////////////////////////////////////////////////
// Register in the fi_xor_wrdata on a byte width basis
generate
begin
genvar i;
for (i = 0; i < DQS_WIDTH; i = i + 1) begin : assign_fi_xor_data
always @(posedge clk) begin
if (wrdata_en) begin
fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS] <= {DQ_PER_DQS{1'b0}};
end
else if (fi_xor_we[i]) begin
fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS] <= fi_xor_wrdata[i*DQ_PER_DQS+:DQ_PER_DQS];
end
else begin
fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS] <= fi_xor_data[i*DQ_PER_DQS+:DQ_PER_DQS];
end
end
end
end
endgenerate
assign wrdata_out[0+:DQ_WIDTH] = wrdata_in[0+:DQ_WIDTH] ^ fi_xor_data[0+:DQ_WIDTH];
// Pass through upper bits
assign wrdata_out[DQ_WIDTH+:(2*nCK_PER_CLK-1)*DQ_WIDTH] = wrdata_in[DQ_WIDTH+:(2*nCK_PER_CLK-1)*DQ_WIDTH];
endmodule
|
module mig_7series_v2_3_mc #
(
parameter TCQ = 100, // clk->out delay(sim only)
parameter ADDR_CMD_MODE = "1T", // registered or
// 1Tfered mem?
parameter BANK_WIDTH = 3, // bank address width
parameter BM_CNT_WIDTH = 2, // # BM counter width
// i.e., log2(nBANK_MACHS)
parameter BURST_MODE = "8", // Burst length
parameter CL = 5, // Read CAS latency
// (in clk cyc)
parameter CMD_PIPE_PLUS1 = "ON", // add register stage
// between MC and PHY
parameter COL_WIDTH = 12, // column address width
parameter CS_WIDTH = 4, // # of unique CS outputs
parameter CWL = 5, // Write CAS latency
// (in clk cyc)
parameter DATA_BUF_ADDR_WIDTH = 8, // User request tag (e.g.
// user src/dest buf addr)
parameter DATA_BUF_OFFSET_WIDTH = 1, // User buffer offset width
parameter DATA_WIDTH = 64, // Data bus width
parameter DQ_WIDTH = 64, // # of DQ (data)
parameter DQS_WIDTH = 8, // # of DQS (strobe)
parameter DRAM_TYPE = "DDR3", // Memory I/F type:
// "DDR3", "DDR2"
parameter ECC = "OFF", // ECC ON/OFF?
parameter ECC_WIDTH = 8, // # of ECC bits
parameter MAINT_PRESCALER_PERIOD= 200000, // maintenance period (ps)
parameter MC_ERR_ADDR_WIDTH = 31, // # of error address bits
parameter nBANK_MACHS = 4, // # of bank machines (BM)
parameter nCK_PER_CLK = 4, // DRAM clock : MC clock
// frequency ratio
parameter nCS_PER_RANK = 1, // # of unique CS outputs
// per rank
parameter nREFRESH_BANK = 1, // # of REF cmds to pull-in
parameter nSLOTS = 1, // # DIMM slots in system
parameter ORDERING = "NORM", // request ordering mode
parameter PAYLOAD_WIDTH = 64, // Width of data payload
// from PHY
parameter RANK_WIDTH = 2, // # of bits to count ranks
parameter RANKS = 4, // # of ranks of DRAM
parameter REG_CTRL = "ON", // "ON" for registered DIMM
parameter ROW_WIDTH = 16, // row address width
parameter RTT_NOM = "40", // Nominal ODT value
parameter RTT_WR = "120", // Write ODT value
parameter SLOT_0_CONFIG = 8'b0000_0101, // ranks allowed in slot 0
parameter SLOT_1_CONFIG = 8'b0000_1010, // ranks allowed in slot 1
parameter STARVE_LIMIT = 2, // max # of times a user
// request is allowed to
// lose arbitration when
// reordering is enabled
parameter tCK = 2500, // memory clk period(ps)
parameter tCKE = 10000, // CKE minimum pulse (ps)
parameter tFAW = 40000, // four activate window(ps)
parameter tRAS = 37500, // ACT->PRE cmd period (ps)
parameter tRCD = 12500, // ACT->R/W delay (ps)
parameter tREFI = 7800000, // average periodic
// refresh interval(ps)
parameter CKE_ODT_AUX = "FALSE", //Parameter to turn on/off the aux_out signal
parameter tRFC = 110000, // REF->ACT/REF delay (ps)
parameter tRP = 12500, // PRE cmd period (ps)
parameter tRRD = 10000, // ACT->ACT period (ps)
parameter tRTP = 7500, // Read->PRE cmd delay (ps)
parameter tWTR = 7500, // Internal write->read
// delay (ps)
// requiring DLL lock (CKs)
parameter tZQCS = 64, // ZQCS cmd period (CKs)
parameter tZQI = 128_000_000, // ZQCS interval (ps)
parameter tPRDI = 1_000_000, // pS
parameter USER_REFRESH = "OFF" // Whether user manages REF
)
(
// System inputs
input clk,
input rst,
// Physical memory slot presence
input [7:0] slot_0_present,
input [7:0] slot_1_present,
// Native Interface
input [2:0] cmd,
input [DATA_BUF_ADDR_WIDTH-1:0] data_buf_addr,
input hi_priority,
input size,
input [BANK_WIDTH-1:0] bank,
input [COL_WIDTH-1:0] col,
input [RANK_WIDTH-1:0] rank,
input [ROW_WIDTH-1:0] row,
input use_addr,
input [2*nCK_PER_CLK*PAYLOAD_WIDTH-1:0] wr_data,
input [2*nCK_PER_CLK*DATA_WIDTH/8-1:0] wr_data_mask,
output accept,
output accept_ns,
output [BM_CNT_WIDTH-1:0] bank_mach_next,
output wire [2*nCK_PER_CLK*PAYLOAD_WIDTH-1:0] rd_data,
output [DATA_BUF_ADDR_WIDTH-1:0] rd_data_addr,
output rd_data_en,
output rd_data_end,
output [DATA_BUF_OFFSET_WIDTH-1:0] rd_data_offset,
output reg [DATA_BUF_ADDR_WIDTH-1:0] wr_data_addr /* synthesis syn_maxfan = 30 */,
output reg wr_data_en,
output reg [DATA_BUF_OFFSET_WIDTH-1:0] wr_data_offset /* synthesis syn_maxfan = 30 */,
output mc_read_idle,
output mc_ref_zq_wip,
// ECC interface
input correct_en,
input [2*nCK_PER_CLK-1:0] raw_not_ecc,
input [DQS_WIDTH - 1:0] fi_xor_we,
input [DQ_WIDTH -1 :0 ] fi_xor_wrdata,
output [MC_ERR_ADDR_WIDTH-1:0] ecc_err_addr,
output [2*nCK_PER_CLK-1:0] ecc_single,
output [2*nCK_PER_CLK-1:0] ecc_multiple,
// User maintenance requests
input app_periodic_rd_req,
input app_ref_req,
input app_zq_req,
input app_sr_req,
output app_sr_active,
output app_ref_ack,
output app_zq_ack,
// MC <==> PHY Interface
output reg [nCK_PER_CLK-1:0] mc_ras_n,
output reg [nCK_PER_CLK-1:0] mc_cas_n,
output reg [nCK_PER_CLK-1:0] mc_we_n,
output reg [nCK_PER_CLK*ROW_WIDTH-1:0] mc_address,
output reg [nCK_PER_CLK*BANK_WIDTH-1:0] mc_bank,
output reg [CS_WIDTH*nCS_PER_RANK*nCK_PER_CLK-1:0] mc_cs_n,
output reg [1:0] mc_odt,
output reg [nCK_PER_CLK-1:0] mc_cke,
output wire mc_reset_n,
output wire [2*nCK_PER_CLK*DQ_WIDTH-1:0] mc_wrdata,
output wire [2*nCK_PER_CLK*DQ_WIDTH/8-1:0]mc_wrdata_mask,
output reg mc_wrdata_en,
output wire mc_cmd_wren,
output wire mc_ctl_wren,
output reg [2:0] mc_cmd,
output reg [5:0] mc_data_offset,
output reg [5:0] mc_data_offset_1,
output reg [5:0] mc_data_offset_2,
output reg [1:0] mc_cas_slot,
output reg [3:0] mc_aux_out0,
output reg [3:0] mc_aux_out1,
output reg [1:0] mc_rank_cnt,
input phy_mc_ctl_full,
input phy_mc_cmd_full,
input phy_mc_data_full,
input [2*nCK_PER_CLK*DQ_WIDTH-1:0] phy_rd_data,
input phy_rddata_valid,
input init_calib_complete,
input [6*RANKS-1:0] calib_rd_data_offset,
input [6*RANKS-1:0] calib_rd_data_offset_1,
input [6*RANKS-1:0] calib_rd_data_offset_2
);
assign mc_reset_n = 1'b1; // never reset memory
assign mc_cmd_wren = 1'b1; // always write CMD FIFO(issue DSEL when idle)
assign mc_ctl_wren = 1'b1; // always write CTL FIFO(issue nondata when idle)
// Ensure there is always at least one rank present during operation
`ifdef MC_SVA
ranks_present: assert property
(@(posedge clk) (rst || (|(slot_0_present | slot_1_present))));
`endif
// Reserved. Do not change.
localparam nPHY_WRLAT = 2;
// always delay write data control unless ECC mode is enabled
localparam DELAY_WR_DATA_CNTRL = ECC == "ON" ? 0 : 1;
// Ensure that write control is delayed for appropriate CWL
/*`ifdef MC_SVA
delay_wr_data_zero_CWL_le_6: assert property
(@(posedge clk) ((CWL > 6) || (DELAY_WR_DATA_CNTRL == 0)));
`endif*/
// Never retrieve WR_DATA_ADDR early
localparam EARLY_WR_DATA_ADDR = "OFF";
//***************************************************************************
// Convert timing parameters from time to clock cycles
//***************************************************************************
localparam nCKE = cdiv(tCKE, tCK);
localparam nRP = cdiv(tRP, tCK);
localparam nRCD = cdiv(tRCD, tCK);
localparam nRAS = cdiv(tRAS, tCK);
localparam nFAW = cdiv(tFAW, tCK);
localparam nRFC = cdiv(tRFC, tCK);
// Convert tWR. As per specification, write recover for autoprecharge
// cycles doesn't support values of 9 and 11. Round up 9 to 10 and 11 to 12
localparam nWR_CK = cdiv(15000, tCK) ;
localparam nWR = (nWR_CK == 9) ? 10 : (nWR_CK == 11) ? 12 : nWR_CK;
// tRRD, tWTR at tRTP have a 4 cycle floor in DDR3 and 2 cycle floor in DDR2
localparam nRRD_CK = cdiv(tRRD, tCK);
localparam nRRD = (DRAM_TYPE == "DDR3") ? (nRRD_CK < 4) ? 4 : nRRD_CK
: (nRRD_CK < 2) ? 2 : nRRD_CK;
localparam nWTR_CK = cdiv(tWTR, tCK);
localparam nWTR = (DRAM_TYPE == "DDR3") ? (nWTR_CK < 4) ? 4 : nWTR_CK
: (nWTR_CK < 2) ? 2 : nWTR_CK;
localparam nRTP_CK = cdiv(tRTP, tCK);
localparam nRTP = (DRAM_TYPE == "DDR3") ? (nRTP_CK < 4) ? 4 : nRTP_CK
: (nRTP_CK < 2) ? 2 : nRTP_CK;
// Add a cycle to CL/CWL for the register in RDIMM devices
localparam CWL_M = (REG_CTRL == "ON") ? CWL + 1 : CWL;
localparam CL_M = (REG_CTRL == "ON") ? CL + 1 : CL;
// Tuneable delay between read and write data on the DQ bus
localparam DQRD2DQWR_DLY = 4;
// CKE minimum pulse width for self-refresh (SRE->SRX minimum time)
localparam nCKESR = nCKE + 1;
// Delay from SRE to command requiring locked DLL. Currently fixed at 512 for
// all devices per JEDEC spec.
localparam tXSDLL = 512;
//***************************************************************************
// Set up maintenance counter dividers
//***************************************************************************
// CK clock divisor to generate maintenance prescaler period (round down)
localparam MAINT_PRESCALER_DIV = MAINT_PRESCALER_PERIOD / (tCK*nCK_PER_CLK);
// Maintenance prescaler divisor for refresh timer. Essentially, this is
// just (tREFI / MAINT_PRESCALER_PERIOD), but we must account for the worst
// case delay from the time we get a tick from the refresh counter to the
// time that we can actually issue the REF command. Thus, subtract tRCD, CL,
// data burst time and tRP for each implemented bank machine to ensure that
// all transactions can complete before tREFI expires
localparam REFRESH_TIMER_DIV =
USER_REFRESH == "ON" ? 0 :
(tREFI-((tRCD+((CL+4)*tCK)+tRP)*nBANK_MACHS)) / MAINT_PRESCALER_PERIOD;
// Periodic read (RESERVED - not currently required or supported in 7 series)
// tPRDI should only be set to 0
// localparam tPRDI = 0; // Do NOT change.
localparam PERIODIC_RD_TIMER_DIV = tPRDI / MAINT_PRESCALER_PERIOD;
// Convert maintenance prescaler from ps to ns
localparam MAINT_PRESCALER_PERIOD_NS = MAINT_PRESCALER_PERIOD / 1000;
// Maintenance prescaler divisor for ZQ calibration (ZQCS) timer
localparam ZQ_TIMER_DIV = tZQI / MAINT_PRESCALER_PERIOD_NS;
// Bus width required to broadcast a single bit rank signal among all the
// bank machines - 1 bit per rank, per bank
localparam RANK_BM_BV_WIDTH = nBANK_MACHS * RANKS;
//***************************************************************************
// Define 2T, CWL-even mode to enable multi-fabric-cycle 2T commands
//***************************************************************************
localparam EVEN_CWL_2T_MODE =
((ADDR_CMD_MODE == "2T") && (!(CWL % 2))) ? "ON" : "OFF";
//***************************************************************************
// Reserved feature control.
//***************************************************************************
// Open page wait mode is reserved.
// nOP_WAIT is the number of states a bank machine will park itself
// on an otherwise inactive open page before closing the page. If
// nOP_WAIT == 0, open page wait mode is disabled. If nOP_WAIT == -1,
// the bank machine will remain parked until the pool of idle bank machines
// are less than LOW_IDLE_CNT. At which point parked bank machines
// are selected to exit until the number of idle bank machines exceeds the
// LOW_IDLE_CNT.
localparam nOP_WAIT = 0; // Open page mode
localparam LOW_IDLE_CNT = 0; // Low idle bank machine threshold
//***************************************************************************
// Internal wires
//***************************************************************************
wire [RANK_BM_BV_WIDTH-1:0] act_this_rank_r;
wire [ROW_WIDTH-1:0] col_a;
wire [BANK_WIDTH-1:0] col_ba;
wire [DATA_BUF_ADDR_WIDTH-1:0] col_data_buf_addr;
wire col_periodic_rd;
wire [RANK_WIDTH-1:0] col_ra;
wire col_rmw;
wire col_rd_wr;
wire [ROW_WIDTH-1:0] col_row;
wire col_size;
wire [DATA_BUF_ADDR_WIDTH-1:0] col_wr_data_buf_addr;
wire dq_busy_data;
wire ecc_status_valid;
wire [RANKS-1:0] inhbt_act_faw_r;
wire [RANKS-1:0] inhbt_rd;
wire [RANKS-1:0] inhbt_wr;
wire insert_maint_r1;
wire [RANK_WIDTH-1:0] maint_rank_r;
wire maint_req_r;
wire maint_wip_r;
wire maint_zq_r;
wire maint_sre_r;
wire maint_srx_r;
wire periodic_rd_ack_r;
wire periodic_rd_r;
wire [RANK_WIDTH-1:0] periodic_rd_rank_r;
wire [(RANKS*nBANK_MACHS)-1:0] rank_busy_r;
wire rd_rmw;
wire [RANK_BM_BV_WIDTH-1:0] rd_this_rank_r;
wire [nBANK_MACHS-1:0] sending_col;
wire [nBANK_MACHS-1:0] sending_row;
wire sent_col;
wire sent_col_r;
wire wr_ecc_buf;
wire [RANK_BM_BV_WIDTH-1:0] wr_this_rank_r;
// MC/PHY optional pipeline stage support
wire [nCK_PER_CLK-1:0] mc_ras_n_ns;
wire [nCK_PER_CLK-1:0] mc_cas_n_ns;
wire [nCK_PER_CLK-1:0] mc_we_n_ns;
wire [nCK_PER_CLK*ROW_WIDTH-1:0] mc_address_ns;
wire [nCK_PER_CLK*BANK_WIDTH-1:0] mc_bank_ns;
wire [CS_WIDTH*nCS_PER_RANK*nCK_PER_CLK-1:0] mc_cs_n_ns;
wire [1:0] mc_odt_ns;
wire [nCK_PER_CLK-1:0] mc_cke_ns;
wire [3:0] mc_aux_out0_ns;
wire [3:0] mc_aux_out1_ns;
wire [1:0] mc_rank_cnt_ns = col_ra;
wire [2:0] mc_cmd_ns;
wire [5:0] mc_data_offset_ns;
wire [5:0] mc_data_offset_1_ns;
wire [5:0] mc_data_offset_2_ns;
wire [1:0] mc_cas_slot_ns;
wire mc_wrdata_en_ns;
wire [DATA_BUF_ADDR_WIDTH-1:0] wr_data_addr_ns;
wire wr_data_en_ns;
wire [DATA_BUF_OFFSET_WIDTH-1:0] wr_data_offset_ns;
integer i;
// MC Read idle support
wire col_read_fifo_empty;
wire mc_read_idle_ns;
reg mc_read_idle_r;
// MC Maintenance in progress with bus idle indication
wire maint_ref_zq_wip;
wire mc_ref_zq_wip_ns;
reg mc_ref_zq_wip_r;
//***************************************************************************
// Function cdiv
// Description:
// This function performs ceiling division (divide and round-up)
// Inputs:
// num: integer to be divided
// div: divisor
// Outputs:
// cdiv: result of ceiling division (num/div, rounded up)
//***************************************************************************
function integer cdiv (input integer num, input integer div);
begin
// perform division, then add 1 if and only if remainder is non-zero
cdiv = (num/div) + (((num%div)>0) ? 1 : 0);
end
endfunction // cdiv
//***************************************************************************
// Optional pipeline register stage on MC/PHY interface
//***************************************************************************
generate
if (CMD_PIPE_PLUS1 == "ON") begin : cmd_pipe_plus // register interface
always @(posedge clk) begin
mc_address <= #TCQ mc_address_ns;
mc_bank <= #TCQ mc_bank_ns;
mc_cas_n <= #TCQ mc_cas_n_ns;
mc_cs_n <= #TCQ mc_cs_n_ns;
mc_odt <= #TCQ mc_odt_ns;
mc_cke <= #TCQ mc_cke_ns;
mc_aux_out0 <= #TCQ mc_aux_out0_ns;
mc_aux_out1 <= #TCQ mc_aux_out1_ns;
mc_cmd <= #TCQ mc_cmd_ns;
mc_ras_n <= #TCQ mc_ras_n_ns;
mc_we_n <= #TCQ mc_we_n_ns;
mc_data_offset <= #TCQ mc_data_offset_ns;
mc_data_offset_1 <= #TCQ mc_data_offset_1_ns;
mc_data_offset_2 <= #TCQ mc_data_offset_2_ns;
mc_cas_slot <= #TCQ mc_cas_slot_ns;
mc_wrdata_en <= #TCQ mc_wrdata_en_ns;
mc_rank_cnt <= #TCQ mc_rank_cnt_ns;
wr_data_addr <= #TCQ wr_data_addr_ns;
wr_data_en <= #TCQ wr_data_en_ns;
wr_data_offset <= #TCQ wr_data_offset_ns;
end // always @ (posedge clk)
end // block: cmd_pipe_plus
else begin : cmd_pipe_plus0 // don't register interface
always @( mc_address_ns or mc_aux_out0_ns or mc_aux_out1_ns or
mc_bank_ns or mc_cas_n_ns or mc_cmd_ns or mc_cs_n_ns or
mc_odt_ns or mc_cke_ns or mc_data_offset_ns or
mc_data_offset_1_ns or mc_data_offset_2_ns or mc_rank_cnt_ns or
mc_ras_n_ns or mc_we_n_ns or mc_wrdata_en_ns or
wr_data_addr_ns or wr_data_en_ns or wr_data_offset_ns or
mc_cas_slot_ns)
begin
mc_address = #TCQ mc_address_ns;
mc_bank = #TCQ mc_bank_ns;
mc_cas_n = #TCQ mc_cas_n_ns;
mc_cs_n = #TCQ mc_cs_n_ns;
mc_odt = #TCQ mc_odt_ns;
mc_cke = #TCQ mc_cke_ns;
mc_aux_out0 = #TCQ mc_aux_out0_ns;
mc_aux_out1 = #TCQ mc_aux_out1_ns;
mc_cmd = #TCQ mc_cmd_ns;
mc_ras_n = #TCQ mc_ras_n_ns;
mc_we_n = #TCQ mc_we_n_ns;
mc_data_offset = #TCQ mc_data_offset_ns;
mc_data_offset_1 = #TCQ mc_data_offset_1_ns;
mc_data_offset_2 = #TCQ mc_data_offset_2_ns;
mc_cas_slot = #TCQ mc_cas_slot_ns;
mc_wrdata_en = #TCQ mc_wrdata_en_ns;
mc_rank_cnt = #TCQ mc_rank_cnt_ns;
wr_data_addr = #TCQ wr_data_addr_ns;
wr_data_en = #TCQ wr_data_en_ns;
wr_data_offset = #TCQ wr_data_offset_ns;
end // always @ (...
end // block: cmd_pipe_plus0
endgenerate
//***************************************************************************
// Indicate when there are no pending reads so that input features can be
// powered down
//***************************************************************************
assign mc_read_idle_ns = col_read_fifo_empty & init_calib_complete;
always @(posedge clk) mc_read_idle_r <= #TCQ mc_read_idle_ns;
assign mc_read_idle = mc_read_idle_r;
//***************************************************************************
// Indicate when there is a refresh in progress and the bus is idle so that
// tap adjustments can be made
//***************************************************************************
assign mc_ref_zq_wip_ns = maint_ref_zq_wip && col_read_fifo_empty;
always @(posedge clk) mc_ref_zq_wip_r <= mc_ref_zq_wip_ns;
assign mc_ref_zq_wip = mc_ref_zq_wip_r;
//***************************************************************************
// Manage rank-level timing and maintanence
//***************************************************************************
mig_7series_v2_3_rank_mach #
(
// Parameters
.BURST_MODE (BURST_MODE),
.CL (CL),
.CWL (CWL),
.CS_WIDTH (CS_WIDTH),
.DQRD2DQWR_DLY (DQRD2DQWR_DLY),
.DRAM_TYPE (DRAM_TYPE),
.MAINT_PRESCALER_DIV (MAINT_PRESCALER_DIV),
.nBANK_MACHS (nBANK_MACHS),
.nCKESR (nCKESR),
.nCK_PER_CLK (nCK_PER_CLK),
.nFAW (nFAW),
.nREFRESH_BANK (nREFRESH_BANK),
.nRRD (nRRD),
.nWTR (nWTR),
.PERIODIC_RD_TIMER_DIV (PERIODIC_RD_TIMER_DIV),
.RANK_BM_BV_WIDTH (RANK_BM_BV_WIDTH),
.RANK_WIDTH (RANK_WIDTH),
.RANKS (RANKS),
.REFRESH_TIMER_DIV (REFRESH_TIMER_DIV),
.ZQ_TIMER_DIV (ZQ_TIMER_DIV)
)
rank_mach0
(
// Outputs
.inhbt_act_faw_r (inhbt_act_faw_r[RANKS-1:0]),
.inhbt_rd (inhbt_rd[RANKS-1:0]),
.inhbt_wr (inhbt_wr[RANKS-1:0]),
.maint_rank_r (maint_rank_r[RANK_WIDTH-1:0]),
.maint_req_r (maint_req_r),
.maint_zq_r (maint_zq_r),
.maint_sre_r (maint_sre_r),
.maint_srx_r (maint_srx_r),
.maint_ref_zq_wip (maint_ref_zq_wip),
.periodic_rd_r (periodic_rd_r),
.periodic_rd_rank_r (periodic_rd_rank_r[RANK_WIDTH-1:0]),
// Inputs
.act_this_rank_r (act_this_rank_r[RANK_BM_BV_WIDTH-1:0]),
.app_periodic_rd_req (app_periodic_rd_req),
.app_ref_req (app_ref_req),
.app_ref_ack (app_ref_ack),
.app_zq_req (app_zq_req),
.app_zq_ack (app_zq_ack),
.app_sr_req (app_sr_req),
.app_sr_active (app_sr_active),
.col_rd_wr (col_rd_wr),
.clk (clk),
.init_calib_complete (init_calib_complete),
.insert_maint_r1 (insert_maint_r1),
.maint_wip_r (maint_wip_r),
.periodic_rd_ack_r (periodic_rd_ack_r),
.rank_busy_r (rank_busy_r[(RANKS*nBANK_MACHS)-1:0]),
.rd_this_rank_r (rd_this_rank_r[RANK_BM_BV_WIDTH-1:0]),
.rst (rst),
.sending_col (sending_col[nBANK_MACHS-1:0]),
.sending_row (sending_row[nBANK_MACHS-1:0]),
.slot_0_present (slot_0_present[7:0]),
.slot_1_present (slot_1_present[7:0]),
.wr_this_rank_r (wr_this_rank_r[RANK_BM_BV_WIDTH-1:0])
);
//***************************************************************************
// Manage requests, reordering and bank timing
//***************************************************************************
mig_7series_v2_3_bank_mach #
(
// Parameters
.TCQ (TCQ),
.EVEN_CWL_2T_MODE (EVEN_CWL_2T_MODE),
.ADDR_CMD_MODE (ADDR_CMD_MODE),
.BANK_WIDTH (BANK_WIDTH),
.BM_CNT_WIDTH (BM_CNT_WIDTH),
.BURST_MODE (BURST_MODE),
.COL_WIDTH (COL_WIDTH),
.CS_WIDTH (CS_WIDTH),
.CL (CL_M),
.CWL (CWL_M),
.CKE_ODT_AUX (CKE_ODT_AUX),
.DATA_BUF_ADDR_WIDTH (DATA_BUF_ADDR_WIDTH),
.DRAM_TYPE (DRAM_TYPE),
.EARLY_WR_DATA_ADDR (EARLY_WR_DATA_ADDR),
.ECC (ECC),
.LOW_IDLE_CNT (LOW_IDLE_CNT),
.nBANK_MACHS (nBANK_MACHS),
.nCK_PER_CLK (nCK_PER_CLK),
.nCS_PER_RANK (nCS_PER_RANK),
.nOP_WAIT (nOP_WAIT),
.nRAS (nRAS),
.nRCD (nRCD),
.nRFC (nRFC),
.nRP (nRP),
.nRTP (nRTP),
.nSLOTS (nSLOTS),
.nWR (nWR),
.nXSDLL (tXSDLL),
.ORDERING (ORDERING),
.RANK_BM_BV_WIDTH (RANK_BM_BV_WIDTH),
.RANK_WIDTH (RANK_WIDTH),
.RANKS (RANKS),
.ROW_WIDTH (ROW_WIDTH),
.RTT_NOM (RTT_NOM),
.RTT_WR (RTT_WR),
.SLOT_0_CONFIG (SLOT_0_CONFIG),
.SLOT_1_CONFIG (SLOT_1_CONFIG),
.STARVE_LIMIT (STARVE_LIMIT),
.tZQCS (tZQCS)
)
bank_mach0
(
// Outputs
.accept (accept),
.accept_ns (accept_ns),
.act_this_rank_r (act_this_rank_r[RANK_BM_BV_WIDTH-1:0]),
.bank_mach_next (bank_mach_next[BM_CNT_WIDTH-1:0]),
.col_a (col_a[ROW_WIDTH-1:0]),
.col_ba (col_ba[BANK_WIDTH-1:0]),
.col_data_buf_addr (col_data_buf_addr[DATA_BUF_ADDR_WIDTH-1:0]),
.col_periodic_rd (col_periodic_rd),
.col_ra (col_ra[RANK_WIDTH-1:0]),
.col_rmw (col_rmw),
.col_rd_wr (col_rd_wr),
.col_row (col_row[ROW_WIDTH-1:0]),
.col_size (col_size),
.col_wr_data_buf_addr (col_wr_data_buf_addr[DATA_BUF_ADDR_WIDTH-1:0]),
.mc_bank (mc_bank_ns),
.mc_address (mc_address_ns),
.mc_ras_n (mc_ras_n_ns),
.mc_cas_n (mc_cas_n_ns),
.mc_we_n (mc_we_n_ns),
.mc_cs_n (mc_cs_n_ns),
.mc_odt (mc_odt_ns),
.mc_cke (mc_cke_ns),
.mc_aux_out0 (mc_aux_out0_ns),
.mc_aux_out1 (mc_aux_out1_ns),
.mc_cmd (mc_cmd_ns),
.mc_data_offset (mc_data_offset_ns),
.mc_data_offset_1 (mc_data_offset_1_ns),
.mc_data_offset_2 (mc_data_offset_2_ns),
.mc_cas_slot (mc_cas_slot_ns),
.insert_maint_r1 (insert_maint_r1),
.maint_wip_r (maint_wip_r),
.periodic_rd_ack_r (periodic_rd_ack_r),
.rank_busy_r (rank_busy_r[(RANKS*nBANK_MACHS)-1:0]),
.rd_this_rank_r (rd_this_rank_r[RANK_BM_BV_WIDTH-1:0]),
.sending_row (sending_row[nBANK_MACHS-1:0]),
.sending_col (sending_col[nBANK_MACHS-1:0]),
.sent_col (sent_col),
.sent_col_r (sent_col_r),
.wr_this_rank_r (wr_this_rank_r[RANK_BM_BV_WIDTH-1:0]),
// Inputs
.bank (bank[BANK_WIDTH-1:0]),
.calib_rddata_offset (calib_rd_data_offset),
.calib_rddata_offset_1 (calib_rd_data_offset_1),
.calib_rddata_offset_2 (calib_rd_data_offset_2),
.clk (clk),
.cmd (cmd[2:0]),
.col (col[COL_WIDTH-1:0]),
.data_buf_addr (data_buf_addr[DATA_BUF_ADDR_WIDTH-1:0]),
.init_calib_complete (init_calib_complete),
.phy_rddata_valid (phy_rddata_valid),
.dq_busy_data (dq_busy_data),
.hi_priority (hi_priority),
.inhbt_act_faw_r (inhbt_act_faw_r[RANKS-1:0]),
.inhbt_rd (inhbt_rd[RANKS-1:0]),
.inhbt_wr (inhbt_wr[RANKS-1:0]),
.maint_rank_r (maint_rank_r[RANK_WIDTH-1:0]),
.maint_req_r (maint_req_r),
.maint_zq_r (maint_zq_r),
.maint_sre_r (maint_sre_r),
.maint_srx_r (maint_srx_r),
.periodic_rd_r (periodic_rd_r),
.periodic_rd_rank_r (periodic_rd_rank_r[RANK_WIDTH-1:0]),
.phy_mc_cmd_full (phy_mc_cmd_full),
.phy_mc_ctl_full (phy_mc_ctl_full),
.phy_mc_data_full (phy_mc_data_full),
.rank (rank[RANK_WIDTH-1:0]),
.rd_data_addr (rd_data_addr[DATA_BUF_ADDR_WIDTH-1:0]),
.rd_rmw (rd_rmw),
.row (row[ROW_WIDTH-1:0]),
.rst (rst),
.size (size),
.slot_0_present (slot_0_present[7:0]),
.slot_1_present (slot_1_present[7:0]),
.use_addr (use_addr)
);
//***************************************************************************
// Manage DQ bus
//***************************************************************************
mig_7series_v2_3_col_mach #
(
// Parameters
.TCQ (TCQ),
.BANK_WIDTH (BANK_WIDTH),
.BURST_MODE (BURST_MODE),
.COL_WIDTH (COL_WIDTH),
.CS_WIDTH (CS_WIDTH),
.DATA_BUF_ADDR_WIDTH (DATA_BUF_ADDR_WIDTH),
.DATA_BUF_OFFSET_WIDTH (DATA_BUF_OFFSET_WIDTH),
.DELAY_WR_DATA_CNTRL (DELAY_WR_DATA_CNTRL),
.DQS_WIDTH (DQS_WIDTH),
.DRAM_TYPE (DRAM_TYPE),
.EARLY_WR_DATA_ADDR (EARLY_WR_DATA_ADDR),
.ECC (ECC),
.MC_ERR_ADDR_WIDTH (MC_ERR_ADDR_WIDTH),
.nCK_PER_CLK (nCK_PER_CLK),
.nPHY_WRLAT (nPHY_WRLAT),
.RANK_WIDTH (RANK_WIDTH),
.ROW_WIDTH (ROW_WIDTH)
)
col_mach0
(
// Outputs
.mc_wrdata_en (mc_wrdata_en_ns),
.dq_busy_data (dq_busy_data),
.ecc_err_addr (ecc_err_addr[MC_ERR_ADDR_WIDTH-1:0]),
.ecc_status_valid (ecc_status_valid),
.rd_data_addr (rd_data_addr[DATA_BUF_ADDR_WIDTH-1:0]),
.rd_data_en (rd_data_en),
.rd_data_end (rd_data_end),
.rd_data_offset (rd_data_offset),
.rd_rmw (rd_rmw),
.wr_data_addr (wr_data_addr_ns),
.wr_data_en (wr_data_en_ns),
.wr_data_offset (wr_data_offset_ns),
.wr_ecc_buf (wr_ecc_buf),
.col_read_fifo_empty (col_read_fifo_empty),
// Inputs
.clk (clk),
.rst (rst),
.col_a (col_a[ROW_WIDTH-1:0]),
.col_ba (col_ba[BANK_WIDTH-1:0]),
.col_data_buf_addr (col_data_buf_addr[DATA_BUF_ADDR_WIDTH-1:0]),
.col_periodic_rd (col_periodic_rd),
.col_ra (col_ra[RANK_WIDTH-1:0]),
.col_rmw (col_rmw),
.col_rd_wr (col_rd_wr),
.col_row (col_row[ROW_WIDTH-1:0]),
.col_size (col_size),
.col_wr_data_buf_addr (col_wr_data_buf_addr[DATA_BUF_ADDR_WIDTH-1:0]),
.phy_rddata_valid (phy_rddata_valid),
.sent_col (EVEN_CWL_2T_MODE == "ON" ? sent_col_r : sent_col)
);
//***************************************************************************
// Implement ECC
//***************************************************************************
// Total ECC word length = ECC code width + Data width
localparam CODE_WIDTH = DATA_WIDTH + ECC_WIDTH;
generate
if (ECC == "OFF") begin : ecc_off
assign rd_data = phy_rd_data;
assign mc_wrdata = wr_data;
assign mc_wrdata_mask = wr_data_mask;
assign ecc_single = 4'b0;
assign ecc_multiple = 4'b0;
end
else begin : ecc_on
wire [CODE_WIDTH*ECC_WIDTH-1:0] h_rows;
wire [2*nCK_PER_CLK*DATA_WIDTH-1:0] rd_merge_data;
wire [2*nCK_PER_CLK*DQ_WIDTH-1:0] mc_wrdata_i;
// Merge and encode
mig_7series_v2_3_ecc_merge_enc #
(
// Parameters
.TCQ (TCQ),
.CODE_WIDTH (CODE_WIDTH),
.DATA_BUF_ADDR_WIDTH (DATA_BUF_ADDR_WIDTH),
.DATA_WIDTH (DATA_WIDTH),
.DQ_WIDTH (DQ_WIDTH),
.ECC_WIDTH (ECC_WIDTH),
.PAYLOAD_WIDTH (PAYLOAD_WIDTH),
.nCK_PER_CLK (nCK_PER_CLK)
)
ecc_merge_enc0
(
// Outputs
.mc_wrdata (mc_wrdata_i),
.mc_wrdata_mask (mc_wrdata_mask),
// Inputs
.clk (clk),
.rst (rst),
.h_rows (h_rows),
.rd_merge_data (rd_merge_data),
.raw_not_ecc (raw_not_ecc),
.wr_data (wr_data),
.wr_data_mask (wr_data_mask)
);
// Decode and fix
mig_7series_v2_3_ecc_dec_fix #
(
// Parameters
.TCQ (TCQ),
.CODE_WIDTH (CODE_WIDTH),
.DATA_WIDTH (DATA_WIDTH),
.DQ_WIDTH (DQ_WIDTH),
.ECC_WIDTH (ECC_WIDTH),
.PAYLOAD_WIDTH (PAYLOAD_WIDTH),
.nCK_PER_CLK (nCK_PER_CLK)
)
ecc_dec_fix0
(
// Outputs
.ecc_multiple (ecc_multiple),
.ecc_single (ecc_single),
.rd_data (rd_data),
// Inputs
.clk (clk),
.rst (rst),
.correct_en (correct_en),
.phy_rddata (phy_rd_data),
.ecc_status_valid (ecc_status_valid),
.h_rows (h_rows)
);
// ECC Buffer
mig_7series_v2_3_ecc_buf #
(
// Parameters
.TCQ (TCQ),
.DATA_BUF_ADDR_WIDTH (DATA_BUF_ADDR_WIDTH),
.DATA_BUF_OFFSET_WIDTH (DATA_BUF_OFFSET_WIDTH),
.DATA_WIDTH (DATA_WIDTH),
.PAYLOAD_WIDTH (PAYLOAD_WIDTH),
.nCK_PER_CLK (nCK_PER_CLK)
)
ecc_buf0
(
// Outputs
.rd_merge_data (rd_merge_data),
// Inputs
.clk (clk),
.rst (rst),
.rd_data (rd_data),
.rd_data_addr (rd_data_addr),
.rd_data_offset (rd_data_offset),
.wr_data_addr (wr_data_addr),
.wr_data_offset (wr_data_offset),
.wr_ecc_buf (wr_ecc_buf)
);
// Generate ECC table
mig_7series_v2_3_ecc_gen #
(
// Parameters
.CODE_WIDTH (CODE_WIDTH),
.DATA_WIDTH (DATA_WIDTH),
.ECC_WIDTH (ECC_WIDTH)
)
ecc_gen0
(
// Outputs
.h_rows (h_rows)
);
if (ECC == "ON") begin : gen_fi_xor_inst
reg mc_wrdata_en_r;
wire mc_wrdata_en_i;
always @(posedge clk) begin
mc_wrdata_en_r <= mc_wrdata_en;
end
assign mc_wrdata_en_i = mc_wrdata_en_r;
mig_7series_v2_3_fi_xor #(
.DQ_WIDTH (DQ_WIDTH),
.DQS_WIDTH (DQS_WIDTH),
.nCK_PER_CLK (nCK_PER_CLK)
)
fi_xor0
(
.clk (clk),
.wrdata_in (mc_wrdata_i),
.wrdata_out (mc_wrdata),
.wrdata_en (mc_wrdata_en_i),
.fi_xor_we (fi_xor_we),
.fi_xor_wrdata (fi_xor_wrdata)
);
end
else begin : gen_wrdata_passthru
assign mc_wrdata = mc_wrdata_i;
end
`ifdef DISPLAY_H_MATRIX
integer i;
always @(negedge rst) begin
$display ("**********************************************");
$display ("H Matrix:");
for (i=0; i<ECC_WIDTH; i=i+1)
$display ("%b", h_rows[i*CODE_WIDTH+:CODE_WIDTH]);
$display ("**********************************************");
end
`endif
end
endgenerate
endmodule
|
module mig_7series_v2_3_ddr_phy_dqs_found_cal_hr #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter nCK_PER_CLK = 2, // # of memory clocks per CLK
parameter nCL = 5, // Read CAS latency
parameter AL = "0",
parameter nCWL = 5, // Write CAS latency
parameter DRAM_TYPE = "DDR3", // Memory I/F type: "DDR3", "DDR2"
parameter RANKS = 1, // # of memory ranks in the system
parameter DQS_CNT_WIDTH = 3, // = ceil(log2(DQS_WIDTH))
parameter DQS_WIDTH = 8, // # of DQS (strobe)
parameter DRAM_WIDTH = 8, // # of DQ per DQS
parameter REG_CTRL = "ON", // "ON" for registered DIMM
parameter SIM_CAL_OPTION = "NONE", // Performs all calibration steps
parameter NUM_DQSFOUND_CAL = 3, // Number of times to iterate
parameter N_CTL_LANES = 3, // Number of control byte lanes
parameter HIGHEST_LANE = 12, // Sum of byte lanes (Data + Ctrl)
parameter HIGHEST_BANK = 3, // Sum of I/O Banks
parameter BYTE_LANES_B0 = 4'b1111,
parameter BYTE_LANES_B1 = 4'b0000,
parameter BYTE_LANES_B2 = 4'b0000,
parameter BYTE_LANES_B3 = 4'b0000,
parameter BYTE_LANES_B4 = 4'b0000,
parameter DATA_CTL_B0 = 4'hc,
parameter DATA_CTL_B1 = 4'hf,
parameter DATA_CTL_B2 = 4'hf,
parameter DATA_CTL_B3 = 4'hf,
parameter DATA_CTL_B4 = 4'hf
)
(
input clk,
input rst,
input dqsfound_retry,
// From phy_init
input pi_dqs_found_start,
input detect_pi_found_dqs,
input prech_done,
// DQSFOUND per Phaser_IN
input [HIGHEST_LANE-1:0] pi_dqs_found_lanes,
output reg [HIGHEST_BANK-1:0] pi_rst_stg1_cal,
// To phy_init
output [5:0] rd_data_offset_0,
output [5:0] rd_data_offset_1,
output [5:0] rd_data_offset_2,
output pi_dqs_found_rank_done,
output pi_dqs_found_done,
output reg pi_dqs_found_err,
output [6*RANKS-1:0] rd_data_offset_ranks_0,
output [6*RANKS-1:0] rd_data_offset_ranks_1,
output [6*RANKS-1:0] rd_data_offset_ranks_2,
output reg dqsfound_retry_done,
output reg dqs_found_prech_req,
//To MC
output [6*RANKS-1:0] rd_data_offset_ranks_mc_0,
output [6*RANKS-1:0] rd_data_offset_ranks_mc_1,
output [6*RANKS-1:0] rd_data_offset_ranks_mc_2,
input [8:0] po_counter_read_val,
output rd_data_offset_cal_done,
output fine_adjust_done,
output [N_CTL_LANES-1:0] fine_adjust_lane_cnt,
output reg ck_po_stg2_f_indec,
output reg ck_po_stg2_f_en,
output [255:0] dbg_dqs_found_cal
);
// For non-zero AL values
localparam nAL = (AL == "CL-1") ? nCL - 1 : 0;
// Adding the register dimm latency to write latency
localparam CWL_M = (REG_CTRL == "ON") ? nCWL + nAL + 1 : nCWL + nAL;
// Added to reduce simulation time
localparam LATENCY_FACTOR = 13;
localparam NUM_READS = (SIM_CAL_OPTION == "NONE") ? 7 : 1;
localparam [19:0] DATA_PRESENT = {(DATA_CTL_B4[3] & BYTE_LANES_B4[3]),
(DATA_CTL_B4[2] & BYTE_LANES_B4[2]),
(DATA_CTL_B4[1] & BYTE_LANES_B4[1]),
(DATA_CTL_B4[0] & BYTE_LANES_B4[0]),
(DATA_CTL_B3[3] & BYTE_LANES_B3[3]),
(DATA_CTL_B3[2] & BYTE_LANES_B3[2]),
(DATA_CTL_B3[1] & BYTE_LANES_B3[1]),
(DATA_CTL_B3[0] & BYTE_LANES_B3[0]),
(DATA_CTL_B2[3] & BYTE_LANES_B2[3]),
(DATA_CTL_B2[2] & BYTE_LANES_B2[2]),
(DATA_CTL_B2[1] & BYTE_LANES_B2[1]),
(DATA_CTL_B2[0] & BYTE_LANES_B2[0]),
(DATA_CTL_B1[3] & BYTE_LANES_B1[3]),
(DATA_CTL_B1[2] & BYTE_LANES_B1[2]),
(DATA_CTL_B1[1] & BYTE_LANES_B1[1]),
(DATA_CTL_B1[0] & BYTE_LANES_B1[0]),
(DATA_CTL_B0[3] & BYTE_LANES_B0[3]),
(DATA_CTL_B0[2] & BYTE_LANES_B0[2]),
(DATA_CTL_B0[1] & BYTE_LANES_B0[1]),
(DATA_CTL_B0[0] & BYTE_LANES_B0[0])};
localparam FINE_ADJ_IDLE = 4'h0;
localparam RST_POSTWAIT = 4'h1;
localparam RST_POSTWAIT1 = 4'h2;
localparam RST_WAIT = 4'h3;
localparam FINE_ADJ_INIT = 4'h4;
localparam FINE_INC = 4'h5;
localparam FINE_INC_WAIT = 4'h6;
localparam FINE_INC_PREWAIT = 4'h7;
localparam DETECT_PREWAIT = 4'h8;
localparam DETECT_DQSFOUND = 4'h9;
localparam PRECH_WAIT = 4'hA;
localparam FINE_DEC = 4'hB;
localparam FINE_DEC_WAIT = 4'hC;
localparam FINE_DEC_PREWAIT = 4'hD;
localparam FINAL_WAIT = 4'hE;
localparam FINE_ADJ_DONE = 4'hF;
integer k,l,m,n,p,q,r,s;
reg dqs_found_start_r;
reg [6*HIGHEST_BANK-1:0] rd_byte_data_offset[0:RANKS-1];
reg rank_done_r;
reg rank_done_r1;
reg dqs_found_done_r;
(* ASYNC_REG = "TRUE" *) reg [HIGHEST_LANE-1:0] pi_dqs_found_lanes_r1;
(* ASYNC_REG = "TRUE" *) reg [HIGHEST_LANE-1:0] pi_dqs_found_lanes_r2;
(* ASYNC_REG = "TRUE" *) reg [HIGHEST_LANE-1:0] pi_dqs_found_lanes_r3;
reg init_dqsfound_done_r;
reg init_dqsfound_done_r1;
reg init_dqsfound_done_r2;
reg init_dqsfound_done_r3;
reg init_dqsfound_done_r4;
reg init_dqsfound_done_r5;
reg [1:0] rnk_cnt_r;
reg [2:0 ] final_do_index[0:RANKS-1];
reg [5:0 ] final_do_max[0:RANKS-1];
reg [6*HIGHEST_BANK-1:0] final_data_offset[0:RANKS-1];
reg [6*HIGHEST_BANK-1:0] final_data_offset_mc[0:RANKS-1];
reg [HIGHEST_BANK-1:0] pi_rst_stg1_cal_r;
reg [HIGHEST_BANK-1:0] pi_rst_stg1_cal_r1;
reg [10*HIGHEST_BANK-1:0] retry_cnt;
reg dqsfound_retry_r1;
wire [4*HIGHEST_BANK-1:0] pi_dqs_found_lanes_int;
reg [HIGHEST_BANK-1:0] pi_dqs_found_all_bank;
reg [HIGHEST_BANK-1:0] pi_dqs_found_all_bank_r;
reg [HIGHEST_BANK-1:0] pi_dqs_found_any_bank;
reg [HIGHEST_BANK-1:0] pi_dqs_found_any_bank_r;
reg [HIGHEST_BANK-1:0] pi_dqs_found_err_r;
// CK/Control byte lanes fine adjust stage
reg fine_adjust;
reg [N_CTL_LANES-1:0] ctl_lane_cnt;
reg [3:0] fine_adj_state_r;
reg fine_adjust_done_r;
reg rst_dqs_find;
reg rst_dqs_find_r1;
reg rst_dqs_find_r2;
reg [5:0] init_dec_cnt;
reg [5:0] dec_cnt;
reg [5:0] inc_cnt;
reg final_dec_done;
reg init_dec_done;
reg first_fail_detect;
reg second_fail_detect;
reg [5:0] first_fail_taps;
reg [5:0] second_fail_taps;
reg [5:0] stable_pass_cnt;
reg [3:0] detect_rd_cnt;
//***************************************************************************
// Debug signals
//
//***************************************************************************
assign dbg_dqs_found_cal[5:0] = first_fail_taps;
assign dbg_dqs_found_cal[11:6] = second_fail_taps;
assign dbg_dqs_found_cal[12] = first_fail_detect;
assign dbg_dqs_found_cal[13] = second_fail_detect;
assign dbg_dqs_found_cal[14] = fine_adjust_done_r;
assign pi_dqs_found_rank_done = rank_done_r;
assign pi_dqs_found_done = dqs_found_done_r;
generate
genvar rnk_cnt;
if (HIGHEST_BANK == 3) begin // Three Bank Interface
for (rnk_cnt = 0; rnk_cnt < RANKS; rnk_cnt = rnk_cnt + 1) begin: rnk_loop
assign rd_data_offset_ranks_0[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][5:0];
assign rd_data_offset_ranks_1[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][11:6];
assign rd_data_offset_ranks_2[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][17:12];
assign rd_data_offset_ranks_mc_0[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][5:0];
assign rd_data_offset_ranks_mc_1[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][11:6];
assign rd_data_offset_ranks_mc_2[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][17:12];
end
end else if (HIGHEST_BANK == 2) begin // Two Bank Interface
for (rnk_cnt = 0; rnk_cnt < RANKS; rnk_cnt = rnk_cnt + 1) begin: rnk_loop
assign rd_data_offset_ranks_0[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][5:0];
assign rd_data_offset_ranks_1[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][11:6];
assign rd_data_offset_ranks_2[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_mc_0[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][5:0];
assign rd_data_offset_ranks_mc_1[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][11:6];
assign rd_data_offset_ranks_mc_2[6*rnk_cnt+:6] = 'd0;
end
end else begin // Single Bank Interface
for (rnk_cnt = 0; rnk_cnt < RANKS; rnk_cnt = rnk_cnt + 1) begin: rnk_loop
assign rd_data_offset_ranks_0[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][5:0];
assign rd_data_offset_ranks_1[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_2[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_mc_0[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][5:0];
assign rd_data_offset_ranks_mc_1[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_mc_2[6*rnk_cnt+:6] = 'd0;
end
end
endgenerate
// final_data_offset is used during write calibration and during
// normal operation. One rd_data_offset value per rank for entire
// interface
generate
if (HIGHEST_BANK == 3) begin // Three I/O Bank interface
assign rd_data_offset_0 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][0+:6] :
final_data_offset[rnk_cnt_r][0+:6];
assign rd_data_offset_1 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][6+:6] :
final_data_offset[rnk_cnt_r][6+:6];
assign rd_data_offset_2 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][12+:6] :
final_data_offset[rnk_cnt_r][12+:6];
end else if (HIGHEST_BANK == 2) begin // Two I/O Bank interface
assign rd_data_offset_0 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][0+:6] :
final_data_offset[rnk_cnt_r][0+:6];
assign rd_data_offset_1 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][6+:6] :
final_data_offset[rnk_cnt_r][6+:6];
assign rd_data_offset_2 = 'd0;
end else begin
assign rd_data_offset_0 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][0+:6] :
final_data_offset[rnk_cnt_r][0+:6];
assign rd_data_offset_1 = 'd0;
assign rd_data_offset_2 = 'd0;
end
endgenerate
assign rd_data_offset_cal_done = init_dqsfound_done_r;
assign fine_adjust_lane_cnt = ctl_lane_cnt;
//**************************************************************************
// DQSFOUND all and any generation
// pi_dqs_found_all_bank[x] asserted when all Phaser_INs in Bankx are
// asserted
// pi_dqs_found_any_bank[x] asserted when at least one Phaser_IN in Bankx
// is asserted
//**************************************************************************
generate
if ((HIGHEST_LANE == 4) || (HIGHEST_LANE == 8) || (HIGHEST_LANE == 12))
assign pi_dqs_found_lanes_int = pi_dqs_found_lanes_r3;
else if ((HIGHEST_LANE == 7) || (HIGHEST_LANE == 11))
assign pi_dqs_found_lanes_int = {1'b0, pi_dqs_found_lanes_r3};
else if ((HIGHEST_LANE == 6) || (HIGHEST_LANE == 10))
assign pi_dqs_found_lanes_int = {2'b00, pi_dqs_found_lanes_r3};
else if ((HIGHEST_LANE == 5) || (HIGHEST_LANE == 9))
assign pi_dqs_found_lanes_int = {3'b000, pi_dqs_found_lanes_r3};
endgenerate
always @(posedge clk) begin
if (rst) begin
for (k = 0; k < HIGHEST_BANK; k = k + 1) begin: rst_pi_dqs_found
pi_dqs_found_all_bank[k] <= #TCQ 'b0;
pi_dqs_found_any_bank[k] <= #TCQ 'b0;
end
end else if (pi_dqs_found_start) begin
for (p = 0; p < HIGHEST_BANK; p = p +1) begin: assign_pi_dqs_found
pi_dqs_found_all_bank[p] <= #TCQ (!DATA_PRESENT[4*p+0] | pi_dqs_found_lanes_int[4*p+0]) &
(!DATA_PRESENT[4*p+1] | pi_dqs_found_lanes_int[4*p+1]) &
(!DATA_PRESENT[4*p+2] | pi_dqs_found_lanes_int[4*p+2]) &
(!DATA_PRESENT[4*p+3] | pi_dqs_found_lanes_int[4*p+3]);
pi_dqs_found_any_bank[p] <= #TCQ (DATA_PRESENT[4*p+0] & pi_dqs_found_lanes_int[4*p+0]) |
(DATA_PRESENT[4*p+1] & pi_dqs_found_lanes_int[4*p+1]) |
(DATA_PRESENT[4*p+2] & pi_dqs_found_lanes_int[4*p+2]) |
(DATA_PRESENT[4*p+3] & pi_dqs_found_lanes_int[4*p+3]);
end
end
end
always @(posedge clk) begin
pi_dqs_found_all_bank_r <= #TCQ pi_dqs_found_all_bank;
pi_dqs_found_any_bank_r <= #TCQ pi_dqs_found_any_bank;
end
//*****************************************************************************
// Counter to increase number of 4 back-to-back reads per rd_data_offset and
// per CK/A/C tap value
//*****************************************************************************
always @(posedge clk) begin
if (rst || (detect_rd_cnt == 'd0))
detect_rd_cnt <= #TCQ NUM_READS;
else if (detect_pi_found_dqs && (detect_rd_cnt > 'd0))
detect_rd_cnt <= #TCQ detect_rd_cnt - 1;
end
//**************************************************************************
// Adjust Phaser_Out stage 2 taps on CK/Address/Command/Controls
//
//**************************************************************************
assign fine_adjust_done = fine_adjust_done_r;
always @(posedge clk) begin
rst_dqs_find_r1 <= #TCQ rst_dqs_find;
rst_dqs_find_r2 <= #TCQ rst_dqs_find_r1;
end
always @(posedge clk) begin
if(rst)begin
fine_adjust <= #TCQ 1'b0;
ctl_lane_cnt <= #TCQ 'd0;
fine_adj_state_r <= #TCQ FINE_ADJ_IDLE;
fine_adjust_done_r <= #TCQ 1'b0;
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b0;
rst_dqs_find <= #TCQ 1'b0;
init_dec_cnt <= #TCQ 'd31;
dec_cnt <= #TCQ 'd0;
inc_cnt <= #TCQ 'd0;
init_dec_done <= #TCQ 1'b0;
final_dec_done <= #TCQ 1'b0;
first_fail_detect <= #TCQ 1'b0;
second_fail_detect <= #TCQ 1'b0;
first_fail_taps <= #TCQ 'd0;
second_fail_taps <= #TCQ 'd0;
stable_pass_cnt <= #TCQ 'd0;
dqs_found_prech_req<= #TCQ 1'b0;
end else begin
case (fine_adj_state_r)
FINE_ADJ_IDLE: begin
if (init_dqsfound_done_r5) begin
if (SIM_CAL_OPTION == "FAST_CAL") begin
fine_adjust <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ FINE_ADJ_DONE;
rst_dqs_find <= #TCQ 1'b0;
end else begin
fine_adjust <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
rst_dqs_find <= #TCQ 1'b1;
end
end
end
RST_WAIT: begin
if (~(|pi_dqs_found_any_bank) && rst_dqs_find_r2) begin
rst_dqs_find <= #TCQ 1'b0;
if (|init_dec_cnt)
fine_adj_state_r <= #TCQ FINE_DEC_PREWAIT;
else if (final_dec_done)
fine_adj_state_r <= #TCQ FINE_ADJ_DONE;
else
fine_adj_state_r <= #TCQ RST_POSTWAIT;
end
end
RST_POSTWAIT: begin
fine_adj_state_r <= #TCQ RST_POSTWAIT1;
end
RST_POSTWAIT1: begin
fine_adj_state_r <= #TCQ FINE_ADJ_INIT;
end
FINE_ADJ_INIT: begin
//if (detect_pi_found_dqs && (inc_cnt < 'd63))
fine_adj_state_r <= #TCQ FINE_INC;
end
FINE_INC: begin
fine_adj_state_r <= #TCQ FINE_INC_WAIT;
ck_po_stg2_f_indec <= #TCQ 1'b1;
ck_po_stg2_f_en <= #TCQ 1'b1;
if (ctl_lane_cnt == N_CTL_LANES-1)
inc_cnt <= #TCQ inc_cnt + 1;
end
FINE_INC_WAIT: begin
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b0;
if (ctl_lane_cnt != N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ ctl_lane_cnt + 1;
fine_adj_state_r <= #TCQ FINE_INC_PREWAIT;
end else if (ctl_lane_cnt == N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ 'd0;
fine_adj_state_r <= #TCQ DETECT_PREWAIT;
end
end
FINE_INC_PREWAIT: begin
fine_adj_state_r <= #TCQ FINE_INC;
end
DETECT_PREWAIT: begin
if (detect_pi_found_dqs && (detect_rd_cnt == 'd1))
fine_adj_state_r <= #TCQ DETECT_DQSFOUND;
else
fine_adj_state_r <= #TCQ DETECT_PREWAIT;
end
DETECT_DQSFOUND: begin
if (detect_pi_found_dqs && ~(&pi_dqs_found_all_bank)) begin
stable_pass_cnt <= #TCQ 'd0;
if (~first_fail_detect && (inc_cnt == 'd63)) begin
// First failing tap detected at 63 taps
// then decrement to 31
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ 'd32;
end else if (~first_fail_detect && (inc_cnt > 'd30) && (stable_pass_cnt > 'd29)) begin
// First failing tap detected at greater than 30 taps
// then stop looking for second edge and decrement
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ (inc_cnt>>1) + 1;
end else if (~first_fail_detect || (first_fail_detect && (stable_pass_cnt < 'd30) && (inc_cnt <= 'd32))) begin
// First failing tap detected, continue incrementing
// until either second failing tap detected or 63
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
rst_dqs_find <= #TCQ 1'b1;
if ((inc_cnt == 'd12) || (inc_cnt == 'd24)) begin
dqs_found_prech_req <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ PRECH_WAIT;
end else
fine_adj_state_r <= #TCQ RST_WAIT;
end else if (first_fail_detect && (inc_cnt > 'd32) && (inc_cnt < 'd63) && (stable_pass_cnt < 'd30)) begin
// Consecutive 30 taps of passing region was not found
// continue incrementing
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
rst_dqs_find <= #TCQ 1'b1;
if ((inc_cnt == 'd36) || (inc_cnt == 'd48) || (inc_cnt == 'd60)) begin
dqs_found_prech_req <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ PRECH_WAIT;
end else
fine_adj_state_r <= #TCQ RST_WAIT;
end else if (first_fail_detect && (inc_cnt == 'd63)) begin
if (stable_pass_cnt < 'd30) begin
// Consecutive 30 taps of passing region was not found
// from tap 0 to 63 so decrement back to 31
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ 'd32;
end else begin
// Consecutive 30 taps of passing region was found
// between first_fail_taps and 63
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
end
end else begin
// Second failing tap detected, decrement to center of
// failing taps
second_fail_detect <= #TCQ 1'b1;
second_fail_taps <= #TCQ inc_cnt;
dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
fine_adj_state_r <= #TCQ FINE_DEC;
end
end else if (detect_pi_found_dqs && (&pi_dqs_found_all_bank)) begin
stable_pass_cnt <= #TCQ stable_pass_cnt + 1;
if ((inc_cnt == 'd12) || (inc_cnt == 'd24) || (inc_cnt == 'd36) ||
(inc_cnt == 'd48) || (inc_cnt == 'd60)) begin
dqs_found_prech_req <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ PRECH_WAIT;
end else if (inc_cnt < 'd63) begin
rst_dqs_find <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
end else begin
fine_adj_state_r <= #TCQ FINE_DEC;
if (~first_fail_detect || (first_fail_taps > 'd33))
// No failing taps detected, decrement by 31
dec_cnt <= #TCQ 'd32;
//else if (first_fail_detect && (stable_pass_cnt > 'd28))
// // First failing tap detected between 0 and 34
// // decrement midpoint between 63 and failing tap
// dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
else
// First failing tap detected
// decrement to midpoint between 63 and failing tap
dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
end
end
end
PRECH_WAIT: begin
if (prech_done) begin
dqs_found_prech_req <= #TCQ 1'b0;
rst_dqs_find <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
end
end
FINE_DEC: begin
fine_adj_state_r <= #TCQ FINE_DEC_WAIT;
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b1;
if ((ctl_lane_cnt == N_CTL_LANES-1) && (init_dec_cnt > 'd0))
init_dec_cnt <= #TCQ init_dec_cnt - 1;
else if ((ctl_lane_cnt == N_CTL_LANES-1) && (dec_cnt > 'd0))
dec_cnt <= #TCQ dec_cnt - 1;
end
FINE_DEC_WAIT: begin
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b0;
if (ctl_lane_cnt != N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ ctl_lane_cnt + 1;
fine_adj_state_r <= #TCQ FINE_DEC_PREWAIT;
end else if (ctl_lane_cnt == N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ 'd0;
if ((dec_cnt > 'd0) || (init_dec_cnt > 'd0))
fine_adj_state_r <= #TCQ FINE_DEC_PREWAIT;
else begin
fine_adj_state_r <= #TCQ FINAL_WAIT;
if ((init_dec_cnt == 'd0) && ~init_dec_done)
init_dec_done <= #TCQ 1'b1;
else
final_dec_done <= #TCQ 1'b1;
end
end
end
FINE_DEC_PREWAIT: begin
fine_adj_state_r <= #TCQ FINE_DEC;
end
FINAL_WAIT: begin
rst_dqs_find <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
end
FINE_ADJ_DONE: begin
if (&pi_dqs_found_all_bank) begin
fine_adjust_done_r <= #TCQ 1'b1;
rst_dqs_find <= #TCQ 1'b0;
fine_adj_state_r <= #TCQ FINE_ADJ_DONE;
end
end
endcase
end
end
//*****************************************************************************
always@(posedge clk)
dqs_found_start_r <= #TCQ pi_dqs_found_start;
always @(posedge clk) begin
if (rst)
rnk_cnt_r <= #TCQ 2'b00;
else if (init_dqsfound_done_r)
rnk_cnt_r <= #TCQ rnk_cnt_r;
else if (rank_done_r)
rnk_cnt_r <= #TCQ rnk_cnt_r + 1;
end
//*****************************************************************
// Read data_offset calibration done signal
//*****************************************************************
always @(posedge clk) begin
if (rst || (|pi_rst_stg1_cal_r))
init_dqsfound_done_r <= #TCQ 1'b0;
else if (&pi_dqs_found_all_bank) begin
if (rnk_cnt_r == RANKS-1)
init_dqsfound_done_r <= #TCQ 1'b1;
else
init_dqsfound_done_r <= #TCQ 1'b0;
end
end
always @(posedge clk) begin
if (rst ||
(init_dqsfound_done_r && (rnk_cnt_r == RANKS-1)))
rank_done_r <= #TCQ 1'b0;
else if (&pi_dqs_found_all_bank && ~(&pi_dqs_found_all_bank_r))
rank_done_r <= #TCQ 1'b1;
else
rank_done_r <= #TCQ 1'b0;
end
always @(posedge clk) begin
pi_dqs_found_lanes_r1 <= #TCQ pi_dqs_found_lanes;
pi_dqs_found_lanes_r2 <= #TCQ pi_dqs_found_lanes_r1;
pi_dqs_found_lanes_r3 <= #TCQ pi_dqs_found_lanes_r2;
init_dqsfound_done_r1 <= #TCQ init_dqsfound_done_r;
init_dqsfound_done_r2 <= #TCQ init_dqsfound_done_r1;
init_dqsfound_done_r3 <= #TCQ init_dqsfound_done_r2;
init_dqsfound_done_r4 <= #TCQ init_dqsfound_done_r3;
init_dqsfound_done_r5 <= #TCQ init_dqsfound_done_r4;
rank_done_r1 <= #TCQ rank_done_r;
dqsfound_retry_r1 <= #TCQ dqsfound_retry;
end
always @(posedge clk) begin
if (rst)
dqs_found_done_r <= #TCQ 1'b0;
else if (&pi_dqs_found_all_bank && (rnk_cnt_r == RANKS-1) && init_dqsfound_done_r1 &&
(fine_adj_state_r == FINE_ADJ_DONE))
dqs_found_done_r <= #TCQ 1'b1;
else
dqs_found_done_r <= #TCQ 1'b0;
end
generate
if (HIGHEST_BANK == 3) begin // Three I/O Bank interface
// Reset read data offset calibration in all DQS Phaser_INs
// in a Bank after the read data offset value for a rank is determined
// or if within a Bank DQSFOUND is not asserted for all DQSs
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[0] || fine_adjust)
pi_rst_stg1_cal_r[0] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[0]) ||
(pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0]) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_rst_stg1_cal_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[1] || fine_adjust)
pi_rst_stg1_cal_r[1] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[1]) ||
(pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1]) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_rst_stg1_cal_r[1] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[2] || fine_adjust)
pi_rst_stg1_cal_r[2] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[2]) ||
(pi_dqs_found_any_bank_r[2] && ~pi_dqs_found_all_bank[2]) ||
(rd_byte_data_offset[rnk_cnt_r][12+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_rst_stg1_cal_r[2] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[2] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[2])
pi_rst_stg1_cal_r1[2] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[2] && ~pi_dqs_found_all_bank[2])
pi_rst_stg1_cal_r1[2] <= #TCQ 1'b0;
end
//*****************************************************************************
// Retry counter to track number of DQSFOUND retries
//*****************************************************************************
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[0+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)) &&
~pi_dqs_found_all_bank[0])
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10] + 1;
else
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10];
end
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[10+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL + LATENCY_FACTOR - 1)) &&
~pi_dqs_found_all_bank[1])
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10] + 1;
else
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10];
end
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[20+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][12+:6] > (nCL + nAL + LATENCY_FACTOR - 1)) &&
~pi_dqs_found_all_bank[2])
retry_cnt[20+:10] <= #TCQ retry_cnt[20+:10] + 1;
else
retry_cnt[20+:10] <= #TCQ retry_cnt[20+:10];
end
// Error generation in case pi_dqs_found_all_bank
// is not asserted
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[0] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[0] && (retry_cnt[0+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_dqs_found_err_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[1] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[1] && (retry_cnt[10+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_dqs_found_err_r[1] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[2] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[2] && (retry_cnt[20+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][12+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_dqs_found_err_r[2] <= #TCQ 1'b1;
end
// Read data offset value for all DQS in a Bank
always @(posedge clk) begin
if (rst) begin
for (q = 0; q < RANKS; q = q + 1) begin: three_bank0_rst_loop
rd_byte_data_offset[q][0+:6] <= #TCQ nCL + nAL - 2;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
rd_byte_data_offset[rnk_cnt_r][0+:6] <= #TCQ nCL + nAL - 2;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[0] &&
//(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL + LATENCY_FACTOR)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][0+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][0+:6] + 1;
end
always @(posedge clk) begin
if (rst) begin
for (r = 0; r < RANKS; r = r + 1) begin: three_bank1_rst_loop
rd_byte_data_offset[r][6+:6] <= #TCQ nCL + nAL - 2;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
rd_byte_data_offset[rnk_cnt_r][6+:6] <= #TCQ nCL + nAL - 2;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[1] &&
//(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL + LATENCY_FACTOR)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][6+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][6+:6] + 1;
end
always @(posedge clk) begin
if (rst) begin
for (s = 0; s < RANKS; s = s + 1) begin: three_bank2_rst_loop
rd_byte_data_offset[s][12+:6] <= #TCQ nCL + nAL - 2;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][12+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
rd_byte_data_offset[rnk_cnt_r][12+:6] <= #TCQ nCL + nAL - 2;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[2] &&
//(rd_byte_data_offset[rnk_cnt_r][12+:6] < (nCL + nAL + LATENCY_FACTOR)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][12+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][12+:6] + 1;
end
//*****************************************************************************
// Two I/O Bank Interface
//*****************************************************************************
end else if (HIGHEST_BANK == 2) begin // Two I/O Bank interface
// Reset read data offset calibration in all DQS Phaser_INs
// in a Bank after the read data offset value for a rank is determined
// or if within a Bank DQSFOUND is not asserted for all DQSs
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[0] || fine_adjust)
pi_rst_stg1_cal_r[0] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[0]) ||
(pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0]) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_rst_stg1_cal_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[1] || fine_adjust)
pi_rst_stg1_cal_r[1] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[1]) ||
(pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1]) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_rst_stg1_cal_r[1] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
end
//*****************************************************************************
// Retry counter to track number of DQSFOUND retries
//*****************************************************************************
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[0+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)) &&
~pi_dqs_found_all_bank[0])
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10] + 1;
else
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10];
end
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[10+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL + LATENCY_FACTOR - 1)) &&
~pi_dqs_found_all_bank[1])
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10] + 1;
else
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10];
end
// Error generation in case pi_dqs_found_all_bank
// is not asserted
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[0] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[0] && (retry_cnt[0+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_dqs_found_err_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[1] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[1] && (retry_cnt[10+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_dqs_found_err_r[1] <= #TCQ 1'b1;
end
// Read data offset value for all DQS in a Bank
always @(posedge clk) begin
if (rst) begin
for (q = 0; q < RANKS; q = q + 1) begin: two_bank0_rst_loop
rd_byte_data_offset[q][0+:6] <= #TCQ nCL + nAL - 2;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
rd_byte_data_offset[rnk_cnt_r][0+:6] <= #TCQ nCL + nAL - 2;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[0] &&
//(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL + LATENCY_FACTOR)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][0+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][0+:6] + 1;
end
always @(posedge clk) begin
if (rst) begin
for (r = 0; r < RANKS; r = r + 1) begin: two_bank1_rst_loop
rd_byte_data_offset[r][6+:6] <= #TCQ nCL + nAL - 2;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
rd_byte_data_offset[rnk_cnt_r][6+:6] <= #TCQ nCL + nAL - 2;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[1] &&
//(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL + LATENCY_FACTOR)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][6+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][6+:6] + 1;
end
//*****************************************************************************
// One I/O Bank Interface
//*****************************************************************************
end else begin // One I/O Bank Interface
// Read data offset value for all DQS in Bank0
always @(posedge clk) begin
if (rst) begin
for (l = 0; l < RANKS; l = l + 1) begin: bank_rst_loop
rd_byte_data_offset[l] <= #TCQ nCL + nAL - 2;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r] > (nCL + nAL + LATENCY_FACTOR - 1)))
rd_byte_data_offset[rnk_cnt_r] <= #TCQ nCL + nAL - 2;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[0] &&
//(rd_byte_data_offset[rnk_cnt_r] < (nCL + nAL + LATENCY_FACTOR)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r]
<= #TCQ rd_byte_data_offset[rnk_cnt_r] + 1;
end
// Reset read data offset calibration in all DQS Phaser_INs
// in a Bank after the read data offset value for a rank is determined
// or if within a Bank DQSFOUND is not asserted for all DQSs
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[0] || fine_adjust)
pi_rst_stg1_cal_r[0] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[0]) ||
(pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0]) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_rst_stg1_cal_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
end
//*****************************************************************************
// Retry counter to track number of DQSFOUND retries
//*****************************************************************************
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[0+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)) &&
~pi_dqs_found_all_bank[0])
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10] + 1;
else
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10];
end
// Error generation in case pi_dqs_found_all_bank
// is not asserted even with 3 dqfound retries
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[0] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[0] && (retry_cnt[0+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL + LATENCY_FACTOR - 1)))
pi_dqs_found_err_r[0] <= #TCQ 1'b1;
end
end
endgenerate
always @(posedge clk) begin
if (rst)
pi_rst_stg1_cal <= #TCQ {HIGHEST_BANK{1'b0}};
else if (rst_dqs_find)
pi_rst_stg1_cal <= #TCQ {HIGHEST_BANK{1'b1}};
else
pi_rst_stg1_cal <= #TCQ pi_rst_stg1_cal_r;
end
// Final read data offset value to be used during write calibration and
// normal operation
generate
genvar i;
genvar j;
for (i = 0; i < RANKS; i = i + 1) begin: rank_final_loop
reg [5:0] final_do_cand [RANKS-1:0];
// combinatorially select the candidate offset for the bank
// indexed by final_do_index
if (HIGHEST_BANK == 3) begin
always @(*) begin
case (final_do_index[i])
3'b000: final_do_cand[i] = final_data_offset[i][5:0];
3'b001: final_do_cand[i] = final_data_offset[i][11:6];
3'b010: final_do_cand[i] = final_data_offset[i][17:12];
default: final_do_cand[i] = 'd0;
endcase
end
end else if (HIGHEST_BANK == 2) begin
always @(*) begin
case (final_do_index[i])
3'b000: final_do_cand[i] = final_data_offset[i][5:0];
3'b001: final_do_cand[i] = final_data_offset[i][11:6];
3'b010: final_do_cand[i] = 'd0;
default: final_do_cand[i] = 'd0;
endcase
end
end else begin
always @(*) begin
case (final_do_index[i])
3'b000: final_do_cand[i] = final_data_offset[i][5:0];
3'b001: final_do_cand[i] = 'd0;
3'b010: final_do_cand[i] = 'd0;
default: final_do_cand[i] = 'd0;
endcase
end
end
always @(posedge clk) begin
if (rst)
final_do_max[i] <= #TCQ 0;
else begin
final_do_max[i] <= #TCQ final_do_max[i]; // default
case (final_do_index[i])
3'b000: if ( | DATA_PRESENT[3:0])
if (final_do_max[i] < final_do_cand[i])
if (CWL_M % 2) // odd latency CAS slot 1
final_do_max[i] <= #TCQ final_do_cand[i] - 1;
else
final_do_max[i] <= #TCQ final_do_cand[i];
3'b001: if ( | DATA_PRESENT[7:4])
if (final_do_max[i] < final_do_cand[i])
if (CWL_M % 2) // odd latency CAS slot 1
final_do_max[i] <= #TCQ final_do_cand[i] - 1;
else
final_do_max[i] <= #TCQ final_do_cand[i];
3'b010: if ( | DATA_PRESENT[11:8])
if (final_do_max[i] < final_do_cand[i])
if (CWL_M % 2) // odd latency CAS slot 1
final_do_max[i] <= #TCQ final_do_cand[i] - 1;
else
final_do_max[i] <= #TCQ final_do_cand[i];
default:
final_do_max[i] <= #TCQ final_do_max[i];
endcase
end
end
always @(posedge clk)
if (rst) begin
final_do_index[i] <= #TCQ 0;
end
else begin
final_do_index[i] <= #TCQ final_do_index[i] + 1;
end
for (j = 0; j < HIGHEST_BANK; j = j + 1) begin: bank_final_loop
always @(posedge clk) begin
if (rst) begin
final_data_offset[i][6*j+:6] <= #TCQ 'b0;
end
else begin
//if (dqsfound_retry[j])
// final_data_offset[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6];
//else
if (init_dqsfound_done_r && ~init_dqsfound_done_r1) begin
if ( DATA_PRESENT [ j*4+:4] != 0) begin // has a data lane
final_data_offset[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6];
if (CWL_M % 2) // odd latency CAS slot 1
final_data_offset_mc[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6] - 1;
else // even latency CAS slot 0
final_data_offset_mc[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6];
end
end
else if (init_dqsfound_done_r5 ) begin
if ( DATA_PRESENT [ j*4+:4] == 0) begin // all control lanes
final_data_offset[i][6*j+:6] <= #TCQ final_do_max[i];
final_data_offset_mc[i][6*j+:6] <= #TCQ final_do_max[i];
end
end
end
end
end
end
endgenerate
// Error generation in case pi_found_dqs signal from Phaser_IN
// is not asserted when a common rddata_offset value is used
always @(posedge clk) begin
pi_dqs_found_err <= #TCQ |pi_dqs_found_err_r;
end
endmodule
|
module mig_7series_v2_3_ui_wr_data #
(
parameter TCQ = 100,
parameter APP_DATA_WIDTH = 256,
parameter APP_MASK_WIDTH = 32,
parameter ECC = "OFF",
parameter nCK_PER_CLK = 2 ,
parameter ECC_TEST = "OFF",
parameter CWL = 5
)
(/*AUTOARG*/
// Outputs
app_wdf_rdy, wr_req_16, wr_data_buf_addr, wr_data, wr_data_mask,
raw_not_ecc,
// Inputs
rst, clk, app_wdf_data, app_wdf_mask, app_raw_not_ecc, app_wdf_wren,
app_wdf_end, wr_data_offset, wr_data_addr, wr_data_en, wr_accepted,
ram_init_done_r, ram_init_addr
);
input rst;
input clk;
input [APP_DATA_WIDTH-1:0] app_wdf_data;
input [APP_MASK_WIDTH-1:0] app_wdf_mask;
input [2*nCK_PER_CLK-1:0] app_raw_not_ecc;
input app_wdf_wren;
input app_wdf_end;
reg [APP_DATA_WIDTH-1:0] app_wdf_data_r1;
reg [APP_MASK_WIDTH-1:0] app_wdf_mask_r1;
reg [2*nCK_PER_CLK-1:0] app_raw_not_ecc_r1 = 4'b0;
reg app_wdf_wren_r1;
reg app_wdf_end_r1;
reg app_wdf_rdy_r;
//Adding few copies of the app_wdf_rdy_r signal in order to meet
//timing. This is signal has a very high fanout. So grouped into
//few functional groups and alloted one copy per group.
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy1;
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy2;
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy3;
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy4;
wire [APP_DATA_WIDTH-1:0] app_wdf_data_ns1 =
~app_wdf_rdy_r_copy2 ? app_wdf_data_r1 : app_wdf_data;
wire [APP_MASK_WIDTH-1:0] app_wdf_mask_ns1 =
~app_wdf_rdy_r_copy2 ? app_wdf_mask_r1 : app_wdf_mask;
wire app_wdf_wren_ns1 =
~rst && (~app_wdf_rdy_r_copy2 ? app_wdf_wren_r1 : app_wdf_wren);
wire app_wdf_end_ns1 =
~rst && (~app_wdf_rdy_r_copy2 ? app_wdf_end_r1 : app_wdf_end);
generate
if (ECC_TEST != "OFF") begin : ecc_on
always @(app_raw_not_ecc) app_raw_not_ecc_r1 = app_raw_not_ecc;
end
endgenerate
// Be explicit about the latch enable on these registers.
always @(posedge clk) begin
app_wdf_data_r1 <= #TCQ app_wdf_data_ns1;
app_wdf_mask_r1 <= #TCQ app_wdf_mask_ns1;
app_wdf_wren_r1 <= #TCQ app_wdf_wren_ns1;
app_wdf_end_r1 <= #TCQ app_wdf_end_ns1;
end
// The signals wr_data_addr and wr_data_offset come at different
// times depending on ECC and the value of CWL. The data portion
// always needs to look a the raw wires, the control portion needs
// to look at a delayed version when ECC is on and CWL != 8. The
// currently supported write data delays do not require this
// functionality, but preserve for future use.
input wr_data_offset;
input [3:0] wr_data_addr;
reg wr_data_offset_r;
reg [3:0] wr_data_addr_r;
generate
if (ECC == "OFF" || CWL >= 0) begin : pass_wr_addr
always @(wr_data_offset) wr_data_offset_r = wr_data_offset;
always @(wr_data_addr) wr_data_addr_r = wr_data_addr;
end
else begin : delay_wr_addr
always @(posedge clk) wr_data_offset_r <= #TCQ wr_data_offset;
always @(posedge clk) wr_data_addr_r <= #TCQ wr_data_addr;
end
endgenerate
// rd_data_cnt is the pointer RAM index for data read from the write data
// buffer. Ie, its the data on its way out to the DRAM.
input wr_data_en;
wire new_rd_data = wr_data_en && ~wr_data_offset_r;
reg [3:0] rd_data_indx_r;
reg rd_data_upd_indx_r;
generate begin : read_data_indx
reg [3:0] rd_data_indx_ns;
always @(/*AS*/new_rd_data or rd_data_indx_r or rst) begin
rd_data_indx_ns = rd_data_indx_r;
if (rst) rd_data_indx_ns = 5'b0;
else if (new_rd_data) rd_data_indx_ns = rd_data_indx_r + 5'h1;
end
always @(posedge clk) rd_data_indx_r <= #TCQ rd_data_indx_ns;
always @(posedge clk) rd_data_upd_indx_r <= #TCQ new_rd_data;
end
endgenerate
// data_buf_addr_cnt generates the pointer for the pointer RAM on behalf
// of data buf address that comes with the wr_data_en.
// The data buf address is written into the memory
// controller along with the command and address.
input wr_accepted;
reg [3:0] data_buf_addr_cnt_r;
generate begin : data_buf_address_counter
reg [3:0] data_buf_addr_cnt_ns;
always @(/*AS*/data_buf_addr_cnt_r or rst or wr_accepted) begin
data_buf_addr_cnt_ns = data_buf_addr_cnt_r;
if (rst) data_buf_addr_cnt_ns = 4'b0;
else if (wr_accepted) data_buf_addr_cnt_ns =
data_buf_addr_cnt_r + 4'h1;
end
always @(posedge clk) data_buf_addr_cnt_r <= #TCQ data_buf_addr_cnt_ns;
end
endgenerate
// Control writing data into the write data buffer.
wire wdf_rdy_ns;
always @( posedge clk ) begin
app_wdf_rdy_r_copy1 <= #TCQ wdf_rdy_ns;
app_wdf_rdy_r_copy2 <= #TCQ wdf_rdy_ns;
app_wdf_rdy_r_copy3 <= #TCQ wdf_rdy_ns;
app_wdf_rdy_r_copy4 <= #TCQ wdf_rdy_ns;
end
wire wr_data_end = app_wdf_end_r1 && app_wdf_rdy_r_copy1 && app_wdf_wren_r1;
wire [3:0] wr_data_pntr;
wire [4:0] wb_wr_data_addr;
wire [4:0] wb_wr_data_addr_w;
reg [3:0] wr_data_indx_r;
generate begin : write_data_control
wire wr_data_addr_le = (wr_data_end && wdf_rdy_ns) ||
(rd_data_upd_indx_r && ~app_wdf_rdy_r_copy1);
// For pointer RAM. Initialize to one since this is one ahead of
// what's being registered in wb_wr_data_addr. Assumes pointer RAM
// has been initialized such that address equals contents.
reg [3:0] wr_data_indx_ns;
always @(/*AS*/rst or wr_data_addr_le or wr_data_indx_r) begin
wr_data_indx_ns = wr_data_indx_r;
if (rst) wr_data_indx_ns = 4'b1;
else if (wr_data_addr_le) wr_data_indx_ns = wr_data_indx_r + 4'h1;
end
always @(posedge clk) wr_data_indx_r <= #TCQ wr_data_indx_ns;
// Take pointer from pointer RAM and set into the write data address.
// Needs to be split into zeroth bit and everything else because synthesis
// tools don't always allow assigning bit vectors seperately. Bit zero of the
// address is computed via an entirely different algorithm.
reg [4:1] wb_wr_data_addr_ns;
reg [4:1] wb_wr_data_addr_r;
always @(/*AS*/rst or wb_wr_data_addr_r or wr_data_addr_le
or wr_data_pntr) begin
wb_wr_data_addr_ns = wb_wr_data_addr_r;
if (rst) wb_wr_data_addr_ns = 4'b0;
else if (wr_data_addr_le) wb_wr_data_addr_ns = wr_data_pntr;
end
always @(posedge clk) wb_wr_data_addr_r <= #TCQ wb_wr_data_addr_ns;
// If we see the first getting accepted, then
// second half is unconditionally accepted.
reg wb_wr_data_addr0_r;
wire wb_wr_data_addr0_ns = ~rst &&
((app_wdf_rdy_r_copy3 && app_wdf_wren_r1 && ~app_wdf_end_r1) ||
(wb_wr_data_addr0_r && ~app_wdf_wren_r1));
always @(posedge clk) wb_wr_data_addr0_r <= #TCQ wb_wr_data_addr0_ns;
assign wb_wr_data_addr = {wb_wr_data_addr_r, wb_wr_data_addr0_r};
assign wb_wr_data_addr_w = {wb_wr_data_addr_ns, wb_wr_data_addr0_ns};
end
endgenerate
// Keep track of how many entries in the queue hold data.
input ram_init_done_r;
output wire app_wdf_rdy;
generate begin : occupied_counter
//reg [4:0] occ_cnt_ns;
//reg [4:0] occ_cnt_r;
//always @(/*AS*/occ_cnt_r or rd_data_upd_indx_r or rst
// or wr_data_end) begin
// occ_cnt_ns = occ_cnt_r;
// if (rst) occ_cnt_ns = 5'b0;
// else case ({wr_data_end, rd_data_upd_indx_r})
// 2'b01 : occ_cnt_ns = occ_cnt_r - 5'b1;
// 2'b10 : occ_cnt_ns = occ_cnt_r + 5'b1;
// endcase // case ({wr_data_end, rd_data_upd_indx_r})
//end
//always @(posedge clk) occ_cnt_r <= #TCQ occ_cnt_ns;
//assign wdf_rdy_ns = !(rst || ~ram_init_done_r || occ_cnt_ns[4]);
//always @(posedge clk) app_wdf_rdy_r <= #TCQ wdf_rdy_ns;
//assign app_wdf_rdy = app_wdf_rdy_r;
reg [15:0] occ_cnt;
always @(posedge clk) begin
if ( rst )
occ_cnt <= #TCQ 16'h0000;
else case ({wr_data_end, rd_data_upd_indx_r})
2'b01 : occ_cnt <= #TCQ {1'b0,occ_cnt[15:1]};
2'b10 : occ_cnt <= #TCQ {occ_cnt[14:0],1'b1};
endcase // case ({wr_data_end, rd_data_upd_indx_r})
end
assign wdf_rdy_ns = !(rst || ~ram_init_done_r || (occ_cnt[14] && wr_data_end && ~rd_data_upd_indx_r) || (occ_cnt[15] && ~rd_data_upd_indx_r));
always @(posedge clk) app_wdf_rdy_r <= #TCQ wdf_rdy_ns;
assign app_wdf_rdy = app_wdf_rdy_r;
`ifdef MC_SVA
wr_data_buffer_full: cover property (@(posedge clk)
(~rst && ~app_wdf_rdy_r));
// wr_data_buffer_inc_dec_15: cover property (@(posedge clk)
// (~rst && wr_data_end && rd_data_upd_indx_r && (occ_cnt_r == 5'hf)));
// wr_data_underflow: assert property (@(posedge clk)
// (rst || !((occ_cnt_r == 5'b0) && (occ_cnt_ns == 5'h1f))));
// wr_data_overflow: assert property (@(posedge clk)
// (rst || !((occ_cnt_r == 5'h10) && (occ_cnt_ns == 5'h11))));
`endif
end // block: occupied_counter
endgenerate
// Keep track of how many write requests are in the memory controller. We
// must limit this to 16 because we only have that many data_buf_addrs to
// hand out. Since the memory controller queue and the write data buffer
// queue are distinct, the number of valid entries can be different.
// Throttle request acceptance once there are sixteen write requests in
// the memory controller. Note that there is still a requirement
// for a write reqeusts corresponding write data to be written into the
// write data queue with two states of the request.
output wire wr_req_16;
generate begin : wr_req_counter
reg [4:0] wr_req_cnt_ns;
reg [4:0] wr_req_cnt_r;
always @(/*AS*/rd_data_upd_indx_r or rst or wr_accepted
or wr_req_cnt_r) begin
wr_req_cnt_ns = wr_req_cnt_r;
if (rst) wr_req_cnt_ns = 5'b0;
else case ({wr_accepted, rd_data_upd_indx_r})
2'b01 : wr_req_cnt_ns = wr_req_cnt_r - 5'b1;
2'b10 : wr_req_cnt_ns = wr_req_cnt_r + 5'b1;
endcase // case ({wr_accepted, rd_data_upd_indx_r})
end
always @(posedge clk) wr_req_cnt_r <= #TCQ wr_req_cnt_ns;
assign wr_req_16 = (wr_req_cnt_ns == 5'h10);
`ifdef MC_SVA
wr_req_mc_full: cover property (@(posedge clk) (~rst && wr_req_16));
wr_req_mc_full_inc_dec_15: cover property (@(posedge clk)
(~rst && wr_accepted && rd_data_upd_indx_r && (wr_req_cnt_r == 5'hf)));
wr_req_underflow: assert property (@(posedge clk)
(rst || !((wr_req_cnt_r == 5'b0) && (wr_req_cnt_ns == 5'h1f))));
wr_req_overflow: assert property (@(posedge clk)
(rst || !((wr_req_cnt_r == 5'h10) && (wr_req_cnt_ns == 5'h11))));
`endif
end // block: wr_req_counter
endgenerate
// Instantiate pointer RAM. Made up of RAM32M in single write, two read
// port mode, 2 bit wide mode.
input [3:0] ram_init_addr;
output wire [3:0] wr_data_buf_addr;
localparam PNTR_RAM_CNT = 2;
generate begin : pointer_ram
wire pointer_we = new_rd_data || ~ram_init_done_r;
wire [3:0] pointer_wr_data = ram_init_done_r
? wr_data_addr_r
: ram_init_addr;
wire [3:0] pointer_wr_addr = ram_init_done_r
? rd_data_indx_r
: ram_init_addr;
genvar i;
for (i=0; i<PNTR_RAM_CNT; i=i+1) begin : rams
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(),
.DOB(wr_data_buf_addr[i*2+:2]),
.DOC(wr_data_pntr[i*2+:2]),
.DOD(),
.DIA(2'b0),
.DIB(pointer_wr_data[i*2+:2]),
.DIC(pointer_wr_data[i*2+:2]),
.DID(2'b0),
.ADDRA(5'b0),
.ADDRB({1'b0, data_buf_addr_cnt_r}),
.ADDRC({1'b0, wr_data_indx_r}),
.ADDRD({1'b0, pointer_wr_addr}),
.WE(pointer_we),
.WCLK(clk)
);
end // block : rams
end // block: pointer_ram
endgenerate
// Instantiate write data buffer. Depending on width of DQ bus and
// DRAM CK to fabric ratio, number of RAM32Ms is variable. RAM32Ms are
// used in single write, single read, 6 bit wide mode.
localparam WR_BUF_WIDTH =
APP_DATA_WIDTH + APP_MASK_WIDTH + (ECC_TEST == "OFF" ? 0 : 2*nCK_PER_CLK);
localparam FULL_RAM_CNT = (WR_BUF_WIDTH/6);
localparam REMAINDER = WR_BUF_WIDTH % 6;
localparam RAM_CNT = FULL_RAM_CNT + ((REMAINDER == 0 ) ? 0 : 1);
localparam RAM_WIDTH = (RAM_CNT*6);
wire [RAM_WIDTH-1:0] wr_buf_out_data_w;
reg [RAM_WIDTH-1:0] wr_buf_out_data;
generate
begin : write_buffer
wire [RAM_WIDTH-1:0] wr_buf_in_data;
if (REMAINDER == 0)
if (ECC_TEST == "OFF")
assign wr_buf_in_data = {app_wdf_mask_ns1, app_wdf_data_ns1};
else
assign wr_buf_in_data =
{app_raw_not_ecc_r1, app_wdf_mask_ns1, app_wdf_data_ns1};
else
if (ECC_TEST == "OFF")
assign wr_buf_in_data =
{{6-REMAINDER{1'b0}}, app_wdf_mask_ns1, app_wdf_data_ns1};
else
assign wr_buf_in_data = {{6-REMAINDER{1'b0}}, app_raw_not_ecc_r1,//app_raw_not_ecc_r1 is not ff
app_wdf_mask_ns1, app_wdf_data_ns1};
wire [4:0] rd_addr_w;
assign rd_addr_w = {wr_data_addr, wr_data_offset};
always @(posedge clk) wr_buf_out_data <= #TCQ wr_buf_out_data_w;
genvar i;
for (i=0; i<RAM_CNT; i=i+1) begin : wr_buffer_ram
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(wr_buf_out_data_w[((i*6)+4)+:2]),
.DOB(wr_buf_out_data_w[((i*6)+2)+:2]),
.DOC(wr_buf_out_data_w[((i*6)+0)+:2]),
.DOD(),
.DIA(wr_buf_in_data[((i*6)+4)+:2]),
.DIB(wr_buf_in_data[((i*6)+2)+:2]),
.DIC(wr_buf_in_data[((i*6)+0)+:2]),
.DID(2'b0),
.ADDRA(rd_addr_w),
.ADDRB(rd_addr_w),
.ADDRC(rd_addr_w),
.ADDRD(wb_wr_data_addr_w),
.WE(wdf_rdy_ns),
.WCLK(clk)
);
end // block: wr_buffer_ram
end
endgenerate
output [APP_DATA_WIDTH-1:0] wr_data;
output [APP_MASK_WIDTH-1:0] wr_data_mask;
assign {wr_data_mask, wr_data} = wr_buf_out_data[WR_BUF_WIDTH-1:0];
output [2*nCK_PER_CLK-1:0] raw_not_ecc;
generate
if (ECC_TEST == "OFF") assign raw_not_ecc = {2*nCK_PER_CLK{1'b0}};
else assign raw_not_ecc = wr_buf_out_data[WR_BUF_WIDTH-1-:(2*nCK_PER_CLK)];
endgenerate
endmodule
|
module mig_7series_v2_3_ui_wr_data #
(
parameter TCQ = 100,
parameter APP_DATA_WIDTH = 256,
parameter APP_MASK_WIDTH = 32,
parameter ECC = "OFF",
parameter nCK_PER_CLK = 2 ,
parameter ECC_TEST = "OFF",
parameter CWL = 5
)
(/*AUTOARG*/
// Outputs
app_wdf_rdy, wr_req_16, wr_data_buf_addr, wr_data, wr_data_mask,
raw_not_ecc,
// Inputs
rst, clk, app_wdf_data, app_wdf_mask, app_raw_not_ecc, app_wdf_wren,
app_wdf_end, wr_data_offset, wr_data_addr, wr_data_en, wr_accepted,
ram_init_done_r, ram_init_addr
);
input rst;
input clk;
input [APP_DATA_WIDTH-1:0] app_wdf_data;
input [APP_MASK_WIDTH-1:0] app_wdf_mask;
input [2*nCK_PER_CLK-1:0] app_raw_not_ecc;
input app_wdf_wren;
input app_wdf_end;
reg [APP_DATA_WIDTH-1:0] app_wdf_data_r1;
reg [APP_MASK_WIDTH-1:0] app_wdf_mask_r1;
reg [2*nCK_PER_CLK-1:0] app_raw_not_ecc_r1 = 4'b0;
reg app_wdf_wren_r1;
reg app_wdf_end_r1;
reg app_wdf_rdy_r;
//Adding few copies of the app_wdf_rdy_r signal in order to meet
//timing. This is signal has a very high fanout. So grouped into
//few functional groups and alloted one copy per group.
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy1;
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy2;
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy3;
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy4;
wire [APP_DATA_WIDTH-1:0] app_wdf_data_ns1 =
~app_wdf_rdy_r_copy2 ? app_wdf_data_r1 : app_wdf_data;
wire [APP_MASK_WIDTH-1:0] app_wdf_mask_ns1 =
~app_wdf_rdy_r_copy2 ? app_wdf_mask_r1 : app_wdf_mask;
wire app_wdf_wren_ns1 =
~rst && (~app_wdf_rdy_r_copy2 ? app_wdf_wren_r1 : app_wdf_wren);
wire app_wdf_end_ns1 =
~rst && (~app_wdf_rdy_r_copy2 ? app_wdf_end_r1 : app_wdf_end);
generate
if (ECC_TEST != "OFF") begin : ecc_on
always @(app_raw_not_ecc) app_raw_not_ecc_r1 = app_raw_not_ecc;
end
endgenerate
// Be explicit about the latch enable on these registers.
always @(posedge clk) begin
app_wdf_data_r1 <= #TCQ app_wdf_data_ns1;
app_wdf_mask_r1 <= #TCQ app_wdf_mask_ns1;
app_wdf_wren_r1 <= #TCQ app_wdf_wren_ns1;
app_wdf_end_r1 <= #TCQ app_wdf_end_ns1;
end
// The signals wr_data_addr and wr_data_offset come at different
// times depending on ECC and the value of CWL. The data portion
// always needs to look a the raw wires, the control portion needs
// to look at a delayed version when ECC is on and CWL != 8. The
// currently supported write data delays do not require this
// functionality, but preserve for future use.
input wr_data_offset;
input [3:0] wr_data_addr;
reg wr_data_offset_r;
reg [3:0] wr_data_addr_r;
generate
if (ECC == "OFF" || CWL >= 0) begin : pass_wr_addr
always @(wr_data_offset) wr_data_offset_r = wr_data_offset;
always @(wr_data_addr) wr_data_addr_r = wr_data_addr;
end
else begin : delay_wr_addr
always @(posedge clk) wr_data_offset_r <= #TCQ wr_data_offset;
always @(posedge clk) wr_data_addr_r <= #TCQ wr_data_addr;
end
endgenerate
// rd_data_cnt is the pointer RAM index for data read from the write data
// buffer. Ie, its the data on its way out to the DRAM.
input wr_data_en;
wire new_rd_data = wr_data_en && ~wr_data_offset_r;
reg [3:0] rd_data_indx_r;
reg rd_data_upd_indx_r;
generate begin : read_data_indx
reg [3:0] rd_data_indx_ns;
always @(/*AS*/new_rd_data or rd_data_indx_r or rst) begin
rd_data_indx_ns = rd_data_indx_r;
if (rst) rd_data_indx_ns = 5'b0;
else if (new_rd_data) rd_data_indx_ns = rd_data_indx_r + 5'h1;
end
always @(posedge clk) rd_data_indx_r <= #TCQ rd_data_indx_ns;
always @(posedge clk) rd_data_upd_indx_r <= #TCQ new_rd_data;
end
endgenerate
// data_buf_addr_cnt generates the pointer for the pointer RAM on behalf
// of data buf address that comes with the wr_data_en.
// The data buf address is written into the memory
// controller along with the command and address.
input wr_accepted;
reg [3:0] data_buf_addr_cnt_r;
generate begin : data_buf_address_counter
reg [3:0] data_buf_addr_cnt_ns;
always @(/*AS*/data_buf_addr_cnt_r or rst or wr_accepted) begin
data_buf_addr_cnt_ns = data_buf_addr_cnt_r;
if (rst) data_buf_addr_cnt_ns = 4'b0;
else if (wr_accepted) data_buf_addr_cnt_ns =
data_buf_addr_cnt_r + 4'h1;
end
always @(posedge clk) data_buf_addr_cnt_r <= #TCQ data_buf_addr_cnt_ns;
end
endgenerate
// Control writing data into the write data buffer.
wire wdf_rdy_ns;
always @( posedge clk ) begin
app_wdf_rdy_r_copy1 <= #TCQ wdf_rdy_ns;
app_wdf_rdy_r_copy2 <= #TCQ wdf_rdy_ns;
app_wdf_rdy_r_copy3 <= #TCQ wdf_rdy_ns;
app_wdf_rdy_r_copy4 <= #TCQ wdf_rdy_ns;
end
wire wr_data_end = app_wdf_end_r1 && app_wdf_rdy_r_copy1 && app_wdf_wren_r1;
wire [3:0] wr_data_pntr;
wire [4:0] wb_wr_data_addr;
wire [4:0] wb_wr_data_addr_w;
reg [3:0] wr_data_indx_r;
generate begin : write_data_control
wire wr_data_addr_le = (wr_data_end && wdf_rdy_ns) ||
(rd_data_upd_indx_r && ~app_wdf_rdy_r_copy1);
// For pointer RAM. Initialize to one since this is one ahead of
// what's being registered in wb_wr_data_addr. Assumes pointer RAM
// has been initialized such that address equals contents.
reg [3:0] wr_data_indx_ns;
always @(/*AS*/rst or wr_data_addr_le or wr_data_indx_r) begin
wr_data_indx_ns = wr_data_indx_r;
if (rst) wr_data_indx_ns = 4'b1;
else if (wr_data_addr_le) wr_data_indx_ns = wr_data_indx_r + 4'h1;
end
always @(posedge clk) wr_data_indx_r <= #TCQ wr_data_indx_ns;
// Take pointer from pointer RAM and set into the write data address.
// Needs to be split into zeroth bit and everything else because synthesis
// tools don't always allow assigning bit vectors seperately. Bit zero of the
// address is computed via an entirely different algorithm.
reg [4:1] wb_wr_data_addr_ns;
reg [4:1] wb_wr_data_addr_r;
always @(/*AS*/rst or wb_wr_data_addr_r or wr_data_addr_le
or wr_data_pntr) begin
wb_wr_data_addr_ns = wb_wr_data_addr_r;
if (rst) wb_wr_data_addr_ns = 4'b0;
else if (wr_data_addr_le) wb_wr_data_addr_ns = wr_data_pntr;
end
always @(posedge clk) wb_wr_data_addr_r <= #TCQ wb_wr_data_addr_ns;
// If we see the first getting accepted, then
// second half is unconditionally accepted.
reg wb_wr_data_addr0_r;
wire wb_wr_data_addr0_ns = ~rst &&
((app_wdf_rdy_r_copy3 && app_wdf_wren_r1 && ~app_wdf_end_r1) ||
(wb_wr_data_addr0_r && ~app_wdf_wren_r1));
always @(posedge clk) wb_wr_data_addr0_r <= #TCQ wb_wr_data_addr0_ns;
assign wb_wr_data_addr = {wb_wr_data_addr_r, wb_wr_data_addr0_r};
assign wb_wr_data_addr_w = {wb_wr_data_addr_ns, wb_wr_data_addr0_ns};
end
endgenerate
// Keep track of how many entries in the queue hold data.
input ram_init_done_r;
output wire app_wdf_rdy;
generate begin : occupied_counter
//reg [4:0] occ_cnt_ns;
//reg [4:0] occ_cnt_r;
//always @(/*AS*/occ_cnt_r or rd_data_upd_indx_r or rst
// or wr_data_end) begin
// occ_cnt_ns = occ_cnt_r;
// if (rst) occ_cnt_ns = 5'b0;
// else case ({wr_data_end, rd_data_upd_indx_r})
// 2'b01 : occ_cnt_ns = occ_cnt_r - 5'b1;
// 2'b10 : occ_cnt_ns = occ_cnt_r + 5'b1;
// endcase // case ({wr_data_end, rd_data_upd_indx_r})
//end
//always @(posedge clk) occ_cnt_r <= #TCQ occ_cnt_ns;
//assign wdf_rdy_ns = !(rst || ~ram_init_done_r || occ_cnt_ns[4]);
//always @(posedge clk) app_wdf_rdy_r <= #TCQ wdf_rdy_ns;
//assign app_wdf_rdy = app_wdf_rdy_r;
reg [15:0] occ_cnt;
always @(posedge clk) begin
if ( rst )
occ_cnt <= #TCQ 16'h0000;
else case ({wr_data_end, rd_data_upd_indx_r})
2'b01 : occ_cnt <= #TCQ {1'b0,occ_cnt[15:1]};
2'b10 : occ_cnt <= #TCQ {occ_cnt[14:0],1'b1};
endcase // case ({wr_data_end, rd_data_upd_indx_r})
end
assign wdf_rdy_ns = !(rst || ~ram_init_done_r || (occ_cnt[14] && wr_data_end && ~rd_data_upd_indx_r) || (occ_cnt[15] && ~rd_data_upd_indx_r));
always @(posedge clk) app_wdf_rdy_r <= #TCQ wdf_rdy_ns;
assign app_wdf_rdy = app_wdf_rdy_r;
`ifdef MC_SVA
wr_data_buffer_full: cover property (@(posedge clk)
(~rst && ~app_wdf_rdy_r));
// wr_data_buffer_inc_dec_15: cover property (@(posedge clk)
// (~rst && wr_data_end && rd_data_upd_indx_r && (occ_cnt_r == 5'hf)));
// wr_data_underflow: assert property (@(posedge clk)
// (rst || !((occ_cnt_r == 5'b0) && (occ_cnt_ns == 5'h1f))));
// wr_data_overflow: assert property (@(posedge clk)
// (rst || !((occ_cnt_r == 5'h10) && (occ_cnt_ns == 5'h11))));
`endif
end // block: occupied_counter
endgenerate
// Keep track of how many write requests are in the memory controller. We
// must limit this to 16 because we only have that many data_buf_addrs to
// hand out. Since the memory controller queue and the write data buffer
// queue are distinct, the number of valid entries can be different.
// Throttle request acceptance once there are sixteen write requests in
// the memory controller. Note that there is still a requirement
// for a write reqeusts corresponding write data to be written into the
// write data queue with two states of the request.
output wire wr_req_16;
generate begin : wr_req_counter
reg [4:0] wr_req_cnt_ns;
reg [4:0] wr_req_cnt_r;
always @(/*AS*/rd_data_upd_indx_r or rst or wr_accepted
or wr_req_cnt_r) begin
wr_req_cnt_ns = wr_req_cnt_r;
if (rst) wr_req_cnt_ns = 5'b0;
else case ({wr_accepted, rd_data_upd_indx_r})
2'b01 : wr_req_cnt_ns = wr_req_cnt_r - 5'b1;
2'b10 : wr_req_cnt_ns = wr_req_cnt_r + 5'b1;
endcase // case ({wr_accepted, rd_data_upd_indx_r})
end
always @(posedge clk) wr_req_cnt_r <= #TCQ wr_req_cnt_ns;
assign wr_req_16 = (wr_req_cnt_ns == 5'h10);
`ifdef MC_SVA
wr_req_mc_full: cover property (@(posedge clk) (~rst && wr_req_16));
wr_req_mc_full_inc_dec_15: cover property (@(posedge clk)
(~rst && wr_accepted && rd_data_upd_indx_r && (wr_req_cnt_r == 5'hf)));
wr_req_underflow: assert property (@(posedge clk)
(rst || !((wr_req_cnt_r == 5'b0) && (wr_req_cnt_ns == 5'h1f))));
wr_req_overflow: assert property (@(posedge clk)
(rst || !((wr_req_cnt_r == 5'h10) && (wr_req_cnt_ns == 5'h11))));
`endif
end // block: wr_req_counter
endgenerate
// Instantiate pointer RAM. Made up of RAM32M in single write, two read
// port mode, 2 bit wide mode.
input [3:0] ram_init_addr;
output wire [3:0] wr_data_buf_addr;
localparam PNTR_RAM_CNT = 2;
generate begin : pointer_ram
wire pointer_we = new_rd_data || ~ram_init_done_r;
wire [3:0] pointer_wr_data = ram_init_done_r
? wr_data_addr_r
: ram_init_addr;
wire [3:0] pointer_wr_addr = ram_init_done_r
? rd_data_indx_r
: ram_init_addr;
genvar i;
for (i=0; i<PNTR_RAM_CNT; i=i+1) begin : rams
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(),
.DOB(wr_data_buf_addr[i*2+:2]),
.DOC(wr_data_pntr[i*2+:2]),
.DOD(),
.DIA(2'b0),
.DIB(pointer_wr_data[i*2+:2]),
.DIC(pointer_wr_data[i*2+:2]),
.DID(2'b0),
.ADDRA(5'b0),
.ADDRB({1'b0, data_buf_addr_cnt_r}),
.ADDRC({1'b0, wr_data_indx_r}),
.ADDRD({1'b0, pointer_wr_addr}),
.WE(pointer_we),
.WCLK(clk)
);
end // block : rams
end // block: pointer_ram
endgenerate
// Instantiate write data buffer. Depending on width of DQ bus and
// DRAM CK to fabric ratio, number of RAM32Ms is variable. RAM32Ms are
// used in single write, single read, 6 bit wide mode.
localparam WR_BUF_WIDTH =
APP_DATA_WIDTH + APP_MASK_WIDTH + (ECC_TEST == "OFF" ? 0 : 2*nCK_PER_CLK);
localparam FULL_RAM_CNT = (WR_BUF_WIDTH/6);
localparam REMAINDER = WR_BUF_WIDTH % 6;
localparam RAM_CNT = FULL_RAM_CNT + ((REMAINDER == 0 ) ? 0 : 1);
localparam RAM_WIDTH = (RAM_CNT*6);
wire [RAM_WIDTH-1:0] wr_buf_out_data_w;
reg [RAM_WIDTH-1:0] wr_buf_out_data;
generate
begin : write_buffer
wire [RAM_WIDTH-1:0] wr_buf_in_data;
if (REMAINDER == 0)
if (ECC_TEST == "OFF")
assign wr_buf_in_data = {app_wdf_mask_ns1, app_wdf_data_ns1};
else
assign wr_buf_in_data =
{app_raw_not_ecc_r1, app_wdf_mask_ns1, app_wdf_data_ns1};
else
if (ECC_TEST == "OFF")
assign wr_buf_in_data =
{{6-REMAINDER{1'b0}}, app_wdf_mask_ns1, app_wdf_data_ns1};
else
assign wr_buf_in_data = {{6-REMAINDER{1'b0}}, app_raw_not_ecc_r1,//app_raw_not_ecc_r1 is not ff
app_wdf_mask_ns1, app_wdf_data_ns1};
wire [4:0] rd_addr_w;
assign rd_addr_w = {wr_data_addr, wr_data_offset};
always @(posedge clk) wr_buf_out_data <= #TCQ wr_buf_out_data_w;
genvar i;
for (i=0; i<RAM_CNT; i=i+1) begin : wr_buffer_ram
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(wr_buf_out_data_w[((i*6)+4)+:2]),
.DOB(wr_buf_out_data_w[((i*6)+2)+:2]),
.DOC(wr_buf_out_data_w[((i*6)+0)+:2]),
.DOD(),
.DIA(wr_buf_in_data[((i*6)+4)+:2]),
.DIB(wr_buf_in_data[((i*6)+2)+:2]),
.DIC(wr_buf_in_data[((i*6)+0)+:2]),
.DID(2'b0),
.ADDRA(rd_addr_w),
.ADDRB(rd_addr_w),
.ADDRC(rd_addr_w),
.ADDRD(wb_wr_data_addr_w),
.WE(wdf_rdy_ns),
.WCLK(clk)
);
end // block: wr_buffer_ram
end
endgenerate
output [APP_DATA_WIDTH-1:0] wr_data;
output [APP_MASK_WIDTH-1:0] wr_data_mask;
assign {wr_data_mask, wr_data} = wr_buf_out_data[WR_BUF_WIDTH-1:0];
output [2*nCK_PER_CLK-1:0] raw_not_ecc;
generate
if (ECC_TEST == "OFF") assign raw_not_ecc = {2*nCK_PER_CLK{1'b0}};
else assign raw_not_ecc = wr_buf_out_data[WR_BUF_WIDTH-1-:(2*nCK_PER_CLK)];
endgenerate
endmodule
|
module mig_7series_v2_3_ui_wr_data #
(
parameter TCQ = 100,
parameter APP_DATA_WIDTH = 256,
parameter APP_MASK_WIDTH = 32,
parameter ECC = "OFF",
parameter nCK_PER_CLK = 2 ,
parameter ECC_TEST = "OFF",
parameter CWL = 5
)
(/*AUTOARG*/
// Outputs
app_wdf_rdy, wr_req_16, wr_data_buf_addr, wr_data, wr_data_mask,
raw_not_ecc,
// Inputs
rst, clk, app_wdf_data, app_wdf_mask, app_raw_not_ecc, app_wdf_wren,
app_wdf_end, wr_data_offset, wr_data_addr, wr_data_en, wr_accepted,
ram_init_done_r, ram_init_addr
);
input rst;
input clk;
input [APP_DATA_WIDTH-1:0] app_wdf_data;
input [APP_MASK_WIDTH-1:0] app_wdf_mask;
input [2*nCK_PER_CLK-1:0] app_raw_not_ecc;
input app_wdf_wren;
input app_wdf_end;
reg [APP_DATA_WIDTH-1:0] app_wdf_data_r1;
reg [APP_MASK_WIDTH-1:0] app_wdf_mask_r1;
reg [2*nCK_PER_CLK-1:0] app_raw_not_ecc_r1 = 4'b0;
reg app_wdf_wren_r1;
reg app_wdf_end_r1;
reg app_wdf_rdy_r;
//Adding few copies of the app_wdf_rdy_r signal in order to meet
//timing. This is signal has a very high fanout. So grouped into
//few functional groups and alloted one copy per group.
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy1;
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy2;
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy3;
(* equivalent_register_removal = "no" *)
reg app_wdf_rdy_r_copy4;
wire [APP_DATA_WIDTH-1:0] app_wdf_data_ns1 =
~app_wdf_rdy_r_copy2 ? app_wdf_data_r1 : app_wdf_data;
wire [APP_MASK_WIDTH-1:0] app_wdf_mask_ns1 =
~app_wdf_rdy_r_copy2 ? app_wdf_mask_r1 : app_wdf_mask;
wire app_wdf_wren_ns1 =
~rst && (~app_wdf_rdy_r_copy2 ? app_wdf_wren_r1 : app_wdf_wren);
wire app_wdf_end_ns1 =
~rst && (~app_wdf_rdy_r_copy2 ? app_wdf_end_r1 : app_wdf_end);
generate
if (ECC_TEST != "OFF") begin : ecc_on
always @(app_raw_not_ecc) app_raw_not_ecc_r1 = app_raw_not_ecc;
end
endgenerate
// Be explicit about the latch enable on these registers.
always @(posedge clk) begin
app_wdf_data_r1 <= #TCQ app_wdf_data_ns1;
app_wdf_mask_r1 <= #TCQ app_wdf_mask_ns1;
app_wdf_wren_r1 <= #TCQ app_wdf_wren_ns1;
app_wdf_end_r1 <= #TCQ app_wdf_end_ns1;
end
// The signals wr_data_addr and wr_data_offset come at different
// times depending on ECC and the value of CWL. The data portion
// always needs to look a the raw wires, the control portion needs
// to look at a delayed version when ECC is on and CWL != 8. The
// currently supported write data delays do not require this
// functionality, but preserve for future use.
input wr_data_offset;
input [3:0] wr_data_addr;
reg wr_data_offset_r;
reg [3:0] wr_data_addr_r;
generate
if (ECC == "OFF" || CWL >= 0) begin : pass_wr_addr
always @(wr_data_offset) wr_data_offset_r = wr_data_offset;
always @(wr_data_addr) wr_data_addr_r = wr_data_addr;
end
else begin : delay_wr_addr
always @(posedge clk) wr_data_offset_r <= #TCQ wr_data_offset;
always @(posedge clk) wr_data_addr_r <= #TCQ wr_data_addr;
end
endgenerate
// rd_data_cnt is the pointer RAM index for data read from the write data
// buffer. Ie, its the data on its way out to the DRAM.
input wr_data_en;
wire new_rd_data = wr_data_en && ~wr_data_offset_r;
reg [3:0] rd_data_indx_r;
reg rd_data_upd_indx_r;
generate begin : read_data_indx
reg [3:0] rd_data_indx_ns;
always @(/*AS*/new_rd_data or rd_data_indx_r or rst) begin
rd_data_indx_ns = rd_data_indx_r;
if (rst) rd_data_indx_ns = 5'b0;
else if (new_rd_data) rd_data_indx_ns = rd_data_indx_r + 5'h1;
end
always @(posedge clk) rd_data_indx_r <= #TCQ rd_data_indx_ns;
always @(posedge clk) rd_data_upd_indx_r <= #TCQ new_rd_data;
end
endgenerate
// data_buf_addr_cnt generates the pointer for the pointer RAM on behalf
// of data buf address that comes with the wr_data_en.
// The data buf address is written into the memory
// controller along with the command and address.
input wr_accepted;
reg [3:0] data_buf_addr_cnt_r;
generate begin : data_buf_address_counter
reg [3:0] data_buf_addr_cnt_ns;
always @(/*AS*/data_buf_addr_cnt_r or rst or wr_accepted) begin
data_buf_addr_cnt_ns = data_buf_addr_cnt_r;
if (rst) data_buf_addr_cnt_ns = 4'b0;
else if (wr_accepted) data_buf_addr_cnt_ns =
data_buf_addr_cnt_r + 4'h1;
end
always @(posedge clk) data_buf_addr_cnt_r <= #TCQ data_buf_addr_cnt_ns;
end
endgenerate
// Control writing data into the write data buffer.
wire wdf_rdy_ns;
always @( posedge clk ) begin
app_wdf_rdy_r_copy1 <= #TCQ wdf_rdy_ns;
app_wdf_rdy_r_copy2 <= #TCQ wdf_rdy_ns;
app_wdf_rdy_r_copy3 <= #TCQ wdf_rdy_ns;
app_wdf_rdy_r_copy4 <= #TCQ wdf_rdy_ns;
end
wire wr_data_end = app_wdf_end_r1 && app_wdf_rdy_r_copy1 && app_wdf_wren_r1;
wire [3:0] wr_data_pntr;
wire [4:0] wb_wr_data_addr;
wire [4:0] wb_wr_data_addr_w;
reg [3:0] wr_data_indx_r;
generate begin : write_data_control
wire wr_data_addr_le = (wr_data_end && wdf_rdy_ns) ||
(rd_data_upd_indx_r && ~app_wdf_rdy_r_copy1);
// For pointer RAM. Initialize to one since this is one ahead of
// what's being registered in wb_wr_data_addr. Assumes pointer RAM
// has been initialized such that address equals contents.
reg [3:0] wr_data_indx_ns;
always @(/*AS*/rst or wr_data_addr_le or wr_data_indx_r) begin
wr_data_indx_ns = wr_data_indx_r;
if (rst) wr_data_indx_ns = 4'b1;
else if (wr_data_addr_le) wr_data_indx_ns = wr_data_indx_r + 4'h1;
end
always @(posedge clk) wr_data_indx_r <= #TCQ wr_data_indx_ns;
// Take pointer from pointer RAM and set into the write data address.
// Needs to be split into zeroth bit and everything else because synthesis
// tools don't always allow assigning bit vectors seperately. Bit zero of the
// address is computed via an entirely different algorithm.
reg [4:1] wb_wr_data_addr_ns;
reg [4:1] wb_wr_data_addr_r;
always @(/*AS*/rst or wb_wr_data_addr_r or wr_data_addr_le
or wr_data_pntr) begin
wb_wr_data_addr_ns = wb_wr_data_addr_r;
if (rst) wb_wr_data_addr_ns = 4'b0;
else if (wr_data_addr_le) wb_wr_data_addr_ns = wr_data_pntr;
end
always @(posedge clk) wb_wr_data_addr_r <= #TCQ wb_wr_data_addr_ns;
// If we see the first getting accepted, then
// second half is unconditionally accepted.
reg wb_wr_data_addr0_r;
wire wb_wr_data_addr0_ns = ~rst &&
((app_wdf_rdy_r_copy3 && app_wdf_wren_r1 && ~app_wdf_end_r1) ||
(wb_wr_data_addr0_r && ~app_wdf_wren_r1));
always @(posedge clk) wb_wr_data_addr0_r <= #TCQ wb_wr_data_addr0_ns;
assign wb_wr_data_addr = {wb_wr_data_addr_r, wb_wr_data_addr0_r};
assign wb_wr_data_addr_w = {wb_wr_data_addr_ns, wb_wr_data_addr0_ns};
end
endgenerate
// Keep track of how many entries in the queue hold data.
input ram_init_done_r;
output wire app_wdf_rdy;
generate begin : occupied_counter
//reg [4:0] occ_cnt_ns;
//reg [4:0] occ_cnt_r;
//always @(/*AS*/occ_cnt_r or rd_data_upd_indx_r or rst
// or wr_data_end) begin
// occ_cnt_ns = occ_cnt_r;
// if (rst) occ_cnt_ns = 5'b0;
// else case ({wr_data_end, rd_data_upd_indx_r})
// 2'b01 : occ_cnt_ns = occ_cnt_r - 5'b1;
// 2'b10 : occ_cnt_ns = occ_cnt_r + 5'b1;
// endcase // case ({wr_data_end, rd_data_upd_indx_r})
//end
//always @(posedge clk) occ_cnt_r <= #TCQ occ_cnt_ns;
//assign wdf_rdy_ns = !(rst || ~ram_init_done_r || occ_cnt_ns[4]);
//always @(posedge clk) app_wdf_rdy_r <= #TCQ wdf_rdy_ns;
//assign app_wdf_rdy = app_wdf_rdy_r;
reg [15:0] occ_cnt;
always @(posedge clk) begin
if ( rst )
occ_cnt <= #TCQ 16'h0000;
else case ({wr_data_end, rd_data_upd_indx_r})
2'b01 : occ_cnt <= #TCQ {1'b0,occ_cnt[15:1]};
2'b10 : occ_cnt <= #TCQ {occ_cnt[14:0],1'b1};
endcase // case ({wr_data_end, rd_data_upd_indx_r})
end
assign wdf_rdy_ns = !(rst || ~ram_init_done_r || (occ_cnt[14] && wr_data_end && ~rd_data_upd_indx_r) || (occ_cnt[15] && ~rd_data_upd_indx_r));
always @(posedge clk) app_wdf_rdy_r <= #TCQ wdf_rdy_ns;
assign app_wdf_rdy = app_wdf_rdy_r;
`ifdef MC_SVA
wr_data_buffer_full: cover property (@(posedge clk)
(~rst && ~app_wdf_rdy_r));
// wr_data_buffer_inc_dec_15: cover property (@(posedge clk)
// (~rst && wr_data_end && rd_data_upd_indx_r && (occ_cnt_r == 5'hf)));
// wr_data_underflow: assert property (@(posedge clk)
// (rst || !((occ_cnt_r == 5'b0) && (occ_cnt_ns == 5'h1f))));
// wr_data_overflow: assert property (@(posedge clk)
// (rst || !((occ_cnt_r == 5'h10) && (occ_cnt_ns == 5'h11))));
`endif
end // block: occupied_counter
endgenerate
// Keep track of how many write requests are in the memory controller. We
// must limit this to 16 because we only have that many data_buf_addrs to
// hand out. Since the memory controller queue and the write data buffer
// queue are distinct, the number of valid entries can be different.
// Throttle request acceptance once there are sixteen write requests in
// the memory controller. Note that there is still a requirement
// for a write reqeusts corresponding write data to be written into the
// write data queue with two states of the request.
output wire wr_req_16;
generate begin : wr_req_counter
reg [4:0] wr_req_cnt_ns;
reg [4:0] wr_req_cnt_r;
always @(/*AS*/rd_data_upd_indx_r or rst or wr_accepted
or wr_req_cnt_r) begin
wr_req_cnt_ns = wr_req_cnt_r;
if (rst) wr_req_cnt_ns = 5'b0;
else case ({wr_accepted, rd_data_upd_indx_r})
2'b01 : wr_req_cnt_ns = wr_req_cnt_r - 5'b1;
2'b10 : wr_req_cnt_ns = wr_req_cnt_r + 5'b1;
endcase // case ({wr_accepted, rd_data_upd_indx_r})
end
always @(posedge clk) wr_req_cnt_r <= #TCQ wr_req_cnt_ns;
assign wr_req_16 = (wr_req_cnt_ns == 5'h10);
`ifdef MC_SVA
wr_req_mc_full: cover property (@(posedge clk) (~rst && wr_req_16));
wr_req_mc_full_inc_dec_15: cover property (@(posedge clk)
(~rst && wr_accepted && rd_data_upd_indx_r && (wr_req_cnt_r == 5'hf)));
wr_req_underflow: assert property (@(posedge clk)
(rst || !((wr_req_cnt_r == 5'b0) && (wr_req_cnt_ns == 5'h1f))));
wr_req_overflow: assert property (@(posedge clk)
(rst || !((wr_req_cnt_r == 5'h10) && (wr_req_cnt_ns == 5'h11))));
`endif
end // block: wr_req_counter
endgenerate
// Instantiate pointer RAM. Made up of RAM32M in single write, two read
// port mode, 2 bit wide mode.
input [3:0] ram_init_addr;
output wire [3:0] wr_data_buf_addr;
localparam PNTR_RAM_CNT = 2;
generate begin : pointer_ram
wire pointer_we = new_rd_data || ~ram_init_done_r;
wire [3:0] pointer_wr_data = ram_init_done_r
? wr_data_addr_r
: ram_init_addr;
wire [3:0] pointer_wr_addr = ram_init_done_r
? rd_data_indx_r
: ram_init_addr;
genvar i;
for (i=0; i<PNTR_RAM_CNT; i=i+1) begin : rams
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(),
.DOB(wr_data_buf_addr[i*2+:2]),
.DOC(wr_data_pntr[i*2+:2]),
.DOD(),
.DIA(2'b0),
.DIB(pointer_wr_data[i*2+:2]),
.DIC(pointer_wr_data[i*2+:2]),
.DID(2'b0),
.ADDRA(5'b0),
.ADDRB({1'b0, data_buf_addr_cnt_r}),
.ADDRC({1'b0, wr_data_indx_r}),
.ADDRD({1'b0, pointer_wr_addr}),
.WE(pointer_we),
.WCLK(clk)
);
end // block : rams
end // block: pointer_ram
endgenerate
// Instantiate write data buffer. Depending on width of DQ bus and
// DRAM CK to fabric ratio, number of RAM32Ms is variable. RAM32Ms are
// used in single write, single read, 6 bit wide mode.
localparam WR_BUF_WIDTH =
APP_DATA_WIDTH + APP_MASK_WIDTH + (ECC_TEST == "OFF" ? 0 : 2*nCK_PER_CLK);
localparam FULL_RAM_CNT = (WR_BUF_WIDTH/6);
localparam REMAINDER = WR_BUF_WIDTH % 6;
localparam RAM_CNT = FULL_RAM_CNT + ((REMAINDER == 0 ) ? 0 : 1);
localparam RAM_WIDTH = (RAM_CNT*6);
wire [RAM_WIDTH-1:0] wr_buf_out_data_w;
reg [RAM_WIDTH-1:0] wr_buf_out_data;
generate
begin : write_buffer
wire [RAM_WIDTH-1:0] wr_buf_in_data;
if (REMAINDER == 0)
if (ECC_TEST == "OFF")
assign wr_buf_in_data = {app_wdf_mask_ns1, app_wdf_data_ns1};
else
assign wr_buf_in_data =
{app_raw_not_ecc_r1, app_wdf_mask_ns1, app_wdf_data_ns1};
else
if (ECC_TEST == "OFF")
assign wr_buf_in_data =
{{6-REMAINDER{1'b0}}, app_wdf_mask_ns1, app_wdf_data_ns1};
else
assign wr_buf_in_data = {{6-REMAINDER{1'b0}}, app_raw_not_ecc_r1,//app_raw_not_ecc_r1 is not ff
app_wdf_mask_ns1, app_wdf_data_ns1};
wire [4:0] rd_addr_w;
assign rd_addr_w = {wr_data_addr, wr_data_offset};
always @(posedge clk) wr_buf_out_data <= #TCQ wr_buf_out_data_w;
genvar i;
for (i=0; i<RAM_CNT; i=i+1) begin : wr_buffer_ram
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(wr_buf_out_data_w[((i*6)+4)+:2]),
.DOB(wr_buf_out_data_w[((i*6)+2)+:2]),
.DOC(wr_buf_out_data_w[((i*6)+0)+:2]),
.DOD(),
.DIA(wr_buf_in_data[((i*6)+4)+:2]),
.DIB(wr_buf_in_data[((i*6)+2)+:2]),
.DIC(wr_buf_in_data[((i*6)+0)+:2]),
.DID(2'b0),
.ADDRA(rd_addr_w),
.ADDRB(rd_addr_w),
.ADDRC(rd_addr_w),
.ADDRD(wb_wr_data_addr_w),
.WE(wdf_rdy_ns),
.WCLK(clk)
);
end // block: wr_buffer_ram
end
endgenerate
output [APP_DATA_WIDTH-1:0] wr_data;
output [APP_MASK_WIDTH-1:0] wr_data_mask;
assign {wr_data_mask, wr_data} = wr_buf_out_data[WR_BUF_WIDTH-1:0];
output [2*nCK_PER_CLK-1:0] raw_not_ecc;
generate
if (ECC_TEST == "OFF") assign raw_not_ecc = {2*nCK_PER_CLK{1'b0}};
else assign raw_not_ecc = wr_buf_out_data[WR_BUF_WIDTH-1-:(2*nCK_PER_CLK)];
endgenerate
endmodule
|
module mig_7series_v2_3_ddr_phy_ocd_samp #
(parameter nCK_PER_CLK = 4,
parameter OCAL_SIMPLE_SCAN_SAMPS = 2,
parameter SCAN_PCT_SAMPS_SOLID = 95,
parameter TCQ = 100,
parameter SIM_CAL_OPTION = "NONE")
(/*AUTOARG*/
// Outputs
samp_done, oclk_calib_resume, rd_victim_sel, samp_result,
// Inputs
complex_oclkdelay_calib_start, clk, rst, reset_scan,
ocal_num_samples_inc, match, phy_rddata_en_1, taps_set
);
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
localparam ONE = 1;
localparam CMPLX_DATA_CNT = nCK_PER_CLK == 2 ? 157 * 2 : 157;
localparam SIMP_DATA_CNT = nCK_PER_CLK == 2 ? 2 : 1;
localparam DATA_CNT_WIDTH = nCK_PER_CLK == 2 ? 9 : 8;
localparam CMPLX_SAMPS = SIM_CAL_OPTION == "NONE" ? 50 : 1;
// Plus one because were counting in natural numbers.
localparam SAMP_CNT_WIDTH = clogb2(OCAL_SIMPLE_SCAN_SAMPS > CMPLX_SAMPS
? OCAL_SIMPLE_SCAN_SAMPS : CMPLX_SAMPS) + 1;
// Remember SAMPLES is natural number counting. One corresponds to one sample.
localparam integer SIMP_SAMPS_SOLID_THRESH = OCAL_SIMPLE_SCAN_SAMPS * SCAN_PCT_SAMPS_SOLID * 0.01;
localparam integer CMPLX_SAMPS_SOLID_THRESH = CMPLX_SAMPS * SCAN_PCT_SAMPS_SOLID * 0.01;
input complex_oclkdelay_calib_start;
wire [SAMP_CNT_WIDTH-1:0] samples = complex_oclkdelay_calib_start
? CMPLX_SAMPS[SAMP_CNT_WIDTH-1:0]
: OCAL_SIMPLE_SCAN_SAMPS[SAMP_CNT_WIDTH-1:0];
localparam [1:0] NULL = 2'b11,
FUZZ = 2'b00,
ONEEIGHTY = 2'b10,
ZERO = 2'b01;
input clk;
input rst;
input reset_scan;
// Given the need to count phy_data_en, this is not useful.
input ocal_num_samples_inc;
input [1:0] match;
input phy_rddata_en_1;
input taps_set;
reg samp_done_ns, samp_done_r;
always @(posedge clk) samp_done_r <= #TCQ samp_done_ns;
output samp_done;
assign samp_done = samp_done_r;
reg [1:0] agg_samp_ns, agg_samp_r;
always @(posedge clk) agg_samp_r <= #TCQ agg_samp_ns;
reg oclk_calib_resume_ns, oclk_calib_resume_r;
always @(posedge clk) oclk_calib_resume_r <= #TCQ oclk_calib_resume_ns;
output oclk_calib_resume;
assign oclk_calib_resume = oclk_calib_resume_r;
// Complex data counting.
// Inner most loop. 157 phy_data_en.
reg [DATA_CNT_WIDTH-1:0] data_cnt_ns, data_cnt_r;
always @(posedge clk) data_cnt_r <= #TCQ data_cnt_ns;
// Nominally, 50 samples of the above 157 phy_data_en.
reg [SAMP_CNT_WIDTH-1:0] samps_ns, samps_r;
always @(posedge clk) samps_r <= #TCQ samps_ns;
// Step through the 8 bits in the byte.
reg [2:0] rd_victim_sel_ns, rd_victim_sel_r;
always @(posedge clk) rd_victim_sel_r <= #TCQ rd_victim_sel_ns;
output [2:0] rd_victim_sel;
assign rd_victim_sel = rd_victim_sel_r;
reg [SAMP_CNT_WIDTH-1:0] zero_ns, zero_r, oneeighty_ns, oneeighty_r;
always @(posedge clk) zero_r <= #TCQ zero_ns;
always @(posedge clk) oneeighty_r <= #TCQ oneeighty_ns;
output [1:0] samp_result;
assign samp_result[0] = zero_r >= (complex_oclkdelay_calib_start
? CMPLX_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]
: SIMP_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]);
assign samp_result[1] = oneeighty_r >= (complex_oclkdelay_calib_start
? CMPLX_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]
: SIMP_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]);
reg [0:0] sm_ns, sm_r;
always @(posedge clk) sm_r <= #TCQ sm_ns;
wire [DATA_CNT_WIDTH-1:0] data_cnt = complex_oclkdelay_calib_start
? CMPLX_DATA_CNT[DATA_CNT_WIDTH-1:0]
: SIMP_DATA_CNT[DATA_CNT_WIDTH-1:0];
wire [2:0] rd_victim_end = complex_oclkdelay_calib_start ? 3'h7 : 3'h0;
wire data_end = data_cnt_r == ONE[DATA_CNT_WIDTH-1:0];
wire samp_end = samps_r == ONE[SAMP_CNT_WIDTH-1:0];
// Primary state machine.
always @(*) begin
// Default next state assignments.
agg_samp_ns = agg_samp_r;
data_cnt_ns = data_cnt_r;
oclk_calib_resume_ns = 1'b0;
oneeighty_ns = oneeighty_r;
rd_victim_sel_ns = rd_victim_sel_r;
samp_done_ns = samp_done_r;
samps_ns = samps_r;
sm_ns = sm_r;
zero_ns = zero_r;
if (rst == 1'b1) begin
// RESET next states
sm_ns = /*AK("READY")*/1'd0;
end else
// State based actions and next states.
case (sm_r)
/*AL("READY")*/1'd0:begin
agg_samp_ns = NULL;
data_cnt_ns = data_cnt;
oneeighty_ns = {SAMP_CNT_WIDTH{1'b0}};
rd_victim_sel_ns = 3'b0;
samps_ns = complex_oclkdelay_calib_start ? CMPLX_SAMPS[SAMP_CNT_WIDTH-1:0]
: OCAL_SIMPLE_SCAN_SAMPS[SAMP_CNT_WIDTH-1:0];
zero_ns = {SAMP_CNT_WIDTH{1'b0}};
if (taps_set) begin
samp_done_ns = 1'b0;
sm_ns = /*AK("AWAITING_DATA")*/1'd1;
oclk_calib_resume_ns = 1'b1;
end
end
/*AL("AWAITING_DATA")*/1'd1:begin
if (phy_rddata_en_1) begin
case (agg_samp_r)
NULL : if (~&match) agg_samp_ns = match;
ZERO, ONEEIGHTY : if (~(agg_samp_r == match || &match)) agg_samp_ns = FUZZ;
FUZZ : ;
endcase // case (agg_samp_r)
if (~data_end) data_cnt_ns = data_cnt_r - ONE[DATA_CNT_WIDTH-1:0];
else begin
data_cnt_ns = data_cnt;
if (rd_victim_end != rd_victim_sel_r) rd_victim_sel_ns = rd_victim_sel_r + 3'h1;
else begin
rd_victim_sel_ns = 3'h0;
if (agg_samp_ns == ZERO) zero_ns = zero_r + ONE[SAMP_CNT_WIDTH-1:0];
if (agg_samp_ns == ONEEIGHTY) oneeighty_ns = oneeighty_r + ONE[SAMP_CNT_WIDTH-1:0];
agg_samp_ns = NULL;
if (~samp_end) samps_ns = samps_r - ONE[SAMP_CNT_WIDTH-1:0];
else samp_done_ns = 1'b1;
end
end
if (samp_done_ns) sm_ns = /*AK("READY")*/1'd0;
else oclk_calib_resume_ns = ~complex_oclkdelay_calib_start && data_end;
end
end
endcase // case (sm_r)
end // always @ begin
endmodule
|
module mig_7series_v2_3_ddr_phy_ocd_samp #
(parameter nCK_PER_CLK = 4,
parameter OCAL_SIMPLE_SCAN_SAMPS = 2,
parameter SCAN_PCT_SAMPS_SOLID = 95,
parameter TCQ = 100,
parameter SIM_CAL_OPTION = "NONE")
(/*AUTOARG*/
// Outputs
samp_done, oclk_calib_resume, rd_victim_sel, samp_result,
// Inputs
complex_oclkdelay_calib_start, clk, rst, reset_scan,
ocal_num_samples_inc, match, phy_rddata_en_1, taps_set
);
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
localparam ONE = 1;
localparam CMPLX_DATA_CNT = nCK_PER_CLK == 2 ? 157 * 2 : 157;
localparam SIMP_DATA_CNT = nCK_PER_CLK == 2 ? 2 : 1;
localparam DATA_CNT_WIDTH = nCK_PER_CLK == 2 ? 9 : 8;
localparam CMPLX_SAMPS = SIM_CAL_OPTION == "NONE" ? 50 : 1;
// Plus one because were counting in natural numbers.
localparam SAMP_CNT_WIDTH = clogb2(OCAL_SIMPLE_SCAN_SAMPS > CMPLX_SAMPS
? OCAL_SIMPLE_SCAN_SAMPS : CMPLX_SAMPS) + 1;
// Remember SAMPLES is natural number counting. One corresponds to one sample.
localparam integer SIMP_SAMPS_SOLID_THRESH = OCAL_SIMPLE_SCAN_SAMPS * SCAN_PCT_SAMPS_SOLID * 0.01;
localparam integer CMPLX_SAMPS_SOLID_THRESH = CMPLX_SAMPS * SCAN_PCT_SAMPS_SOLID * 0.01;
input complex_oclkdelay_calib_start;
wire [SAMP_CNT_WIDTH-1:0] samples = complex_oclkdelay_calib_start
? CMPLX_SAMPS[SAMP_CNT_WIDTH-1:0]
: OCAL_SIMPLE_SCAN_SAMPS[SAMP_CNT_WIDTH-1:0];
localparam [1:0] NULL = 2'b11,
FUZZ = 2'b00,
ONEEIGHTY = 2'b10,
ZERO = 2'b01;
input clk;
input rst;
input reset_scan;
// Given the need to count phy_data_en, this is not useful.
input ocal_num_samples_inc;
input [1:0] match;
input phy_rddata_en_1;
input taps_set;
reg samp_done_ns, samp_done_r;
always @(posedge clk) samp_done_r <= #TCQ samp_done_ns;
output samp_done;
assign samp_done = samp_done_r;
reg [1:0] agg_samp_ns, agg_samp_r;
always @(posedge clk) agg_samp_r <= #TCQ agg_samp_ns;
reg oclk_calib_resume_ns, oclk_calib_resume_r;
always @(posedge clk) oclk_calib_resume_r <= #TCQ oclk_calib_resume_ns;
output oclk_calib_resume;
assign oclk_calib_resume = oclk_calib_resume_r;
// Complex data counting.
// Inner most loop. 157 phy_data_en.
reg [DATA_CNT_WIDTH-1:0] data_cnt_ns, data_cnt_r;
always @(posedge clk) data_cnt_r <= #TCQ data_cnt_ns;
// Nominally, 50 samples of the above 157 phy_data_en.
reg [SAMP_CNT_WIDTH-1:0] samps_ns, samps_r;
always @(posedge clk) samps_r <= #TCQ samps_ns;
// Step through the 8 bits in the byte.
reg [2:0] rd_victim_sel_ns, rd_victim_sel_r;
always @(posedge clk) rd_victim_sel_r <= #TCQ rd_victim_sel_ns;
output [2:0] rd_victim_sel;
assign rd_victim_sel = rd_victim_sel_r;
reg [SAMP_CNT_WIDTH-1:0] zero_ns, zero_r, oneeighty_ns, oneeighty_r;
always @(posedge clk) zero_r <= #TCQ zero_ns;
always @(posedge clk) oneeighty_r <= #TCQ oneeighty_ns;
output [1:0] samp_result;
assign samp_result[0] = zero_r >= (complex_oclkdelay_calib_start
? CMPLX_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]
: SIMP_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]);
assign samp_result[1] = oneeighty_r >= (complex_oclkdelay_calib_start
? CMPLX_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]
: SIMP_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]);
reg [0:0] sm_ns, sm_r;
always @(posedge clk) sm_r <= #TCQ sm_ns;
wire [DATA_CNT_WIDTH-1:0] data_cnt = complex_oclkdelay_calib_start
? CMPLX_DATA_CNT[DATA_CNT_WIDTH-1:0]
: SIMP_DATA_CNT[DATA_CNT_WIDTH-1:0];
wire [2:0] rd_victim_end = complex_oclkdelay_calib_start ? 3'h7 : 3'h0;
wire data_end = data_cnt_r == ONE[DATA_CNT_WIDTH-1:0];
wire samp_end = samps_r == ONE[SAMP_CNT_WIDTH-1:0];
// Primary state machine.
always @(*) begin
// Default next state assignments.
agg_samp_ns = agg_samp_r;
data_cnt_ns = data_cnt_r;
oclk_calib_resume_ns = 1'b0;
oneeighty_ns = oneeighty_r;
rd_victim_sel_ns = rd_victim_sel_r;
samp_done_ns = samp_done_r;
samps_ns = samps_r;
sm_ns = sm_r;
zero_ns = zero_r;
if (rst == 1'b1) begin
// RESET next states
sm_ns = /*AK("READY")*/1'd0;
end else
// State based actions and next states.
case (sm_r)
/*AL("READY")*/1'd0:begin
agg_samp_ns = NULL;
data_cnt_ns = data_cnt;
oneeighty_ns = {SAMP_CNT_WIDTH{1'b0}};
rd_victim_sel_ns = 3'b0;
samps_ns = complex_oclkdelay_calib_start ? CMPLX_SAMPS[SAMP_CNT_WIDTH-1:0]
: OCAL_SIMPLE_SCAN_SAMPS[SAMP_CNT_WIDTH-1:0];
zero_ns = {SAMP_CNT_WIDTH{1'b0}};
if (taps_set) begin
samp_done_ns = 1'b0;
sm_ns = /*AK("AWAITING_DATA")*/1'd1;
oclk_calib_resume_ns = 1'b1;
end
end
/*AL("AWAITING_DATA")*/1'd1:begin
if (phy_rddata_en_1) begin
case (agg_samp_r)
NULL : if (~&match) agg_samp_ns = match;
ZERO, ONEEIGHTY : if (~(agg_samp_r == match || &match)) agg_samp_ns = FUZZ;
FUZZ : ;
endcase // case (agg_samp_r)
if (~data_end) data_cnt_ns = data_cnt_r - ONE[DATA_CNT_WIDTH-1:0];
else begin
data_cnt_ns = data_cnt;
if (rd_victim_end != rd_victim_sel_r) rd_victim_sel_ns = rd_victim_sel_r + 3'h1;
else begin
rd_victim_sel_ns = 3'h0;
if (agg_samp_ns == ZERO) zero_ns = zero_r + ONE[SAMP_CNT_WIDTH-1:0];
if (agg_samp_ns == ONEEIGHTY) oneeighty_ns = oneeighty_r + ONE[SAMP_CNT_WIDTH-1:0];
agg_samp_ns = NULL;
if (~samp_end) samps_ns = samps_r - ONE[SAMP_CNT_WIDTH-1:0];
else samp_done_ns = 1'b1;
end
end
if (samp_done_ns) sm_ns = /*AK("READY")*/1'd0;
else oclk_calib_resume_ns = ~complex_oclkdelay_calib_start && data_end;
end
end
endcase // case (sm_r)
end // always @ begin
endmodule
|
module mig_7series_v2_3_ddr_phy_ocd_samp #
(parameter nCK_PER_CLK = 4,
parameter OCAL_SIMPLE_SCAN_SAMPS = 2,
parameter SCAN_PCT_SAMPS_SOLID = 95,
parameter TCQ = 100,
parameter SIM_CAL_OPTION = "NONE")
(/*AUTOARG*/
// Outputs
samp_done, oclk_calib_resume, rd_victim_sel, samp_result,
// Inputs
complex_oclkdelay_calib_start, clk, rst, reset_scan,
ocal_num_samples_inc, match, phy_rddata_en_1, taps_set
);
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
localparam ONE = 1;
localparam CMPLX_DATA_CNT = nCK_PER_CLK == 2 ? 157 * 2 : 157;
localparam SIMP_DATA_CNT = nCK_PER_CLK == 2 ? 2 : 1;
localparam DATA_CNT_WIDTH = nCK_PER_CLK == 2 ? 9 : 8;
localparam CMPLX_SAMPS = SIM_CAL_OPTION == "NONE" ? 50 : 1;
// Plus one because were counting in natural numbers.
localparam SAMP_CNT_WIDTH = clogb2(OCAL_SIMPLE_SCAN_SAMPS > CMPLX_SAMPS
? OCAL_SIMPLE_SCAN_SAMPS : CMPLX_SAMPS) + 1;
// Remember SAMPLES is natural number counting. One corresponds to one sample.
localparam integer SIMP_SAMPS_SOLID_THRESH = OCAL_SIMPLE_SCAN_SAMPS * SCAN_PCT_SAMPS_SOLID * 0.01;
localparam integer CMPLX_SAMPS_SOLID_THRESH = CMPLX_SAMPS * SCAN_PCT_SAMPS_SOLID * 0.01;
input complex_oclkdelay_calib_start;
wire [SAMP_CNT_WIDTH-1:0] samples = complex_oclkdelay_calib_start
? CMPLX_SAMPS[SAMP_CNT_WIDTH-1:0]
: OCAL_SIMPLE_SCAN_SAMPS[SAMP_CNT_WIDTH-1:0];
localparam [1:0] NULL = 2'b11,
FUZZ = 2'b00,
ONEEIGHTY = 2'b10,
ZERO = 2'b01;
input clk;
input rst;
input reset_scan;
// Given the need to count phy_data_en, this is not useful.
input ocal_num_samples_inc;
input [1:0] match;
input phy_rddata_en_1;
input taps_set;
reg samp_done_ns, samp_done_r;
always @(posedge clk) samp_done_r <= #TCQ samp_done_ns;
output samp_done;
assign samp_done = samp_done_r;
reg [1:0] agg_samp_ns, agg_samp_r;
always @(posedge clk) agg_samp_r <= #TCQ agg_samp_ns;
reg oclk_calib_resume_ns, oclk_calib_resume_r;
always @(posedge clk) oclk_calib_resume_r <= #TCQ oclk_calib_resume_ns;
output oclk_calib_resume;
assign oclk_calib_resume = oclk_calib_resume_r;
// Complex data counting.
// Inner most loop. 157 phy_data_en.
reg [DATA_CNT_WIDTH-1:0] data_cnt_ns, data_cnt_r;
always @(posedge clk) data_cnt_r <= #TCQ data_cnt_ns;
// Nominally, 50 samples of the above 157 phy_data_en.
reg [SAMP_CNT_WIDTH-1:0] samps_ns, samps_r;
always @(posedge clk) samps_r <= #TCQ samps_ns;
// Step through the 8 bits in the byte.
reg [2:0] rd_victim_sel_ns, rd_victim_sel_r;
always @(posedge clk) rd_victim_sel_r <= #TCQ rd_victim_sel_ns;
output [2:0] rd_victim_sel;
assign rd_victim_sel = rd_victim_sel_r;
reg [SAMP_CNT_WIDTH-1:0] zero_ns, zero_r, oneeighty_ns, oneeighty_r;
always @(posedge clk) zero_r <= #TCQ zero_ns;
always @(posedge clk) oneeighty_r <= #TCQ oneeighty_ns;
output [1:0] samp_result;
assign samp_result[0] = zero_r >= (complex_oclkdelay_calib_start
? CMPLX_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]
: SIMP_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]);
assign samp_result[1] = oneeighty_r >= (complex_oclkdelay_calib_start
? CMPLX_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]
: SIMP_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]);
reg [0:0] sm_ns, sm_r;
always @(posedge clk) sm_r <= #TCQ sm_ns;
wire [DATA_CNT_WIDTH-1:0] data_cnt = complex_oclkdelay_calib_start
? CMPLX_DATA_CNT[DATA_CNT_WIDTH-1:0]
: SIMP_DATA_CNT[DATA_CNT_WIDTH-1:0];
wire [2:0] rd_victim_end = complex_oclkdelay_calib_start ? 3'h7 : 3'h0;
wire data_end = data_cnt_r == ONE[DATA_CNT_WIDTH-1:0];
wire samp_end = samps_r == ONE[SAMP_CNT_WIDTH-1:0];
// Primary state machine.
always @(*) begin
// Default next state assignments.
agg_samp_ns = agg_samp_r;
data_cnt_ns = data_cnt_r;
oclk_calib_resume_ns = 1'b0;
oneeighty_ns = oneeighty_r;
rd_victim_sel_ns = rd_victim_sel_r;
samp_done_ns = samp_done_r;
samps_ns = samps_r;
sm_ns = sm_r;
zero_ns = zero_r;
if (rst == 1'b1) begin
// RESET next states
sm_ns = /*AK("READY")*/1'd0;
end else
// State based actions and next states.
case (sm_r)
/*AL("READY")*/1'd0:begin
agg_samp_ns = NULL;
data_cnt_ns = data_cnt;
oneeighty_ns = {SAMP_CNT_WIDTH{1'b0}};
rd_victim_sel_ns = 3'b0;
samps_ns = complex_oclkdelay_calib_start ? CMPLX_SAMPS[SAMP_CNT_WIDTH-1:0]
: OCAL_SIMPLE_SCAN_SAMPS[SAMP_CNT_WIDTH-1:0];
zero_ns = {SAMP_CNT_WIDTH{1'b0}};
if (taps_set) begin
samp_done_ns = 1'b0;
sm_ns = /*AK("AWAITING_DATA")*/1'd1;
oclk_calib_resume_ns = 1'b1;
end
end
/*AL("AWAITING_DATA")*/1'd1:begin
if (phy_rddata_en_1) begin
case (agg_samp_r)
NULL : if (~&match) agg_samp_ns = match;
ZERO, ONEEIGHTY : if (~(agg_samp_r == match || &match)) agg_samp_ns = FUZZ;
FUZZ : ;
endcase // case (agg_samp_r)
if (~data_end) data_cnt_ns = data_cnt_r - ONE[DATA_CNT_WIDTH-1:0];
else begin
data_cnt_ns = data_cnt;
if (rd_victim_end != rd_victim_sel_r) rd_victim_sel_ns = rd_victim_sel_r + 3'h1;
else begin
rd_victim_sel_ns = 3'h0;
if (agg_samp_ns == ZERO) zero_ns = zero_r + ONE[SAMP_CNT_WIDTH-1:0];
if (agg_samp_ns == ONEEIGHTY) oneeighty_ns = oneeighty_r + ONE[SAMP_CNT_WIDTH-1:0];
agg_samp_ns = NULL;
if (~samp_end) samps_ns = samps_r - ONE[SAMP_CNT_WIDTH-1:0];
else samp_done_ns = 1'b1;
end
end
if (samp_done_ns) sm_ns = /*AK("READY")*/1'd0;
else oclk_calib_resume_ns = ~complex_oclkdelay_calib_start && data_end;
end
end
endcase // case (sm_r)
end // always @ begin
endmodule
|
module mig_7series_v2_3_ddr_phy_ocd_samp #
(parameter nCK_PER_CLK = 4,
parameter OCAL_SIMPLE_SCAN_SAMPS = 2,
parameter SCAN_PCT_SAMPS_SOLID = 95,
parameter TCQ = 100,
parameter SIM_CAL_OPTION = "NONE")
(/*AUTOARG*/
// Outputs
samp_done, oclk_calib_resume, rd_victim_sel, samp_result,
// Inputs
complex_oclkdelay_calib_start, clk, rst, reset_scan,
ocal_num_samples_inc, match, phy_rddata_en_1, taps_set
);
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
localparam ONE = 1;
localparam CMPLX_DATA_CNT = nCK_PER_CLK == 2 ? 157 * 2 : 157;
localparam SIMP_DATA_CNT = nCK_PER_CLK == 2 ? 2 : 1;
localparam DATA_CNT_WIDTH = nCK_PER_CLK == 2 ? 9 : 8;
localparam CMPLX_SAMPS = SIM_CAL_OPTION == "NONE" ? 50 : 1;
// Plus one because were counting in natural numbers.
localparam SAMP_CNT_WIDTH = clogb2(OCAL_SIMPLE_SCAN_SAMPS > CMPLX_SAMPS
? OCAL_SIMPLE_SCAN_SAMPS : CMPLX_SAMPS) + 1;
// Remember SAMPLES is natural number counting. One corresponds to one sample.
localparam integer SIMP_SAMPS_SOLID_THRESH = OCAL_SIMPLE_SCAN_SAMPS * SCAN_PCT_SAMPS_SOLID * 0.01;
localparam integer CMPLX_SAMPS_SOLID_THRESH = CMPLX_SAMPS * SCAN_PCT_SAMPS_SOLID * 0.01;
input complex_oclkdelay_calib_start;
wire [SAMP_CNT_WIDTH-1:0] samples = complex_oclkdelay_calib_start
? CMPLX_SAMPS[SAMP_CNT_WIDTH-1:0]
: OCAL_SIMPLE_SCAN_SAMPS[SAMP_CNT_WIDTH-1:0];
localparam [1:0] NULL = 2'b11,
FUZZ = 2'b00,
ONEEIGHTY = 2'b10,
ZERO = 2'b01;
input clk;
input rst;
input reset_scan;
// Given the need to count phy_data_en, this is not useful.
input ocal_num_samples_inc;
input [1:0] match;
input phy_rddata_en_1;
input taps_set;
reg samp_done_ns, samp_done_r;
always @(posedge clk) samp_done_r <= #TCQ samp_done_ns;
output samp_done;
assign samp_done = samp_done_r;
reg [1:0] agg_samp_ns, agg_samp_r;
always @(posedge clk) agg_samp_r <= #TCQ agg_samp_ns;
reg oclk_calib_resume_ns, oclk_calib_resume_r;
always @(posedge clk) oclk_calib_resume_r <= #TCQ oclk_calib_resume_ns;
output oclk_calib_resume;
assign oclk_calib_resume = oclk_calib_resume_r;
// Complex data counting.
// Inner most loop. 157 phy_data_en.
reg [DATA_CNT_WIDTH-1:0] data_cnt_ns, data_cnt_r;
always @(posedge clk) data_cnt_r <= #TCQ data_cnt_ns;
// Nominally, 50 samples of the above 157 phy_data_en.
reg [SAMP_CNT_WIDTH-1:0] samps_ns, samps_r;
always @(posedge clk) samps_r <= #TCQ samps_ns;
// Step through the 8 bits in the byte.
reg [2:0] rd_victim_sel_ns, rd_victim_sel_r;
always @(posedge clk) rd_victim_sel_r <= #TCQ rd_victim_sel_ns;
output [2:0] rd_victim_sel;
assign rd_victim_sel = rd_victim_sel_r;
reg [SAMP_CNT_WIDTH-1:0] zero_ns, zero_r, oneeighty_ns, oneeighty_r;
always @(posedge clk) zero_r <= #TCQ zero_ns;
always @(posedge clk) oneeighty_r <= #TCQ oneeighty_ns;
output [1:0] samp_result;
assign samp_result[0] = zero_r >= (complex_oclkdelay_calib_start
? CMPLX_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]
: SIMP_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]);
assign samp_result[1] = oneeighty_r >= (complex_oclkdelay_calib_start
? CMPLX_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]
: SIMP_SAMPS_SOLID_THRESH[SAMP_CNT_WIDTH-1:0]);
reg [0:0] sm_ns, sm_r;
always @(posedge clk) sm_r <= #TCQ sm_ns;
wire [DATA_CNT_WIDTH-1:0] data_cnt = complex_oclkdelay_calib_start
? CMPLX_DATA_CNT[DATA_CNT_WIDTH-1:0]
: SIMP_DATA_CNT[DATA_CNT_WIDTH-1:0];
wire [2:0] rd_victim_end = complex_oclkdelay_calib_start ? 3'h7 : 3'h0;
wire data_end = data_cnt_r == ONE[DATA_CNT_WIDTH-1:0];
wire samp_end = samps_r == ONE[SAMP_CNT_WIDTH-1:0];
// Primary state machine.
always @(*) begin
// Default next state assignments.
agg_samp_ns = agg_samp_r;
data_cnt_ns = data_cnt_r;
oclk_calib_resume_ns = 1'b0;
oneeighty_ns = oneeighty_r;
rd_victim_sel_ns = rd_victim_sel_r;
samp_done_ns = samp_done_r;
samps_ns = samps_r;
sm_ns = sm_r;
zero_ns = zero_r;
if (rst == 1'b1) begin
// RESET next states
sm_ns = /*AK("READY")*/1'd0;
end else
// State based actions and next states.
case (sm_r)
/*AL("READY")*/1'd0:begin
agg_samp_ns = NULL;
data_cnt_ns = data_cnt;
oneeighty_ns = {SAMP_CNT_WIDTH{1'b0}};
rd_victim_sel_ns = 3'b0;
samps_ns = complex_oclkdelay_calib_start ? CMPLX_SAMPS[SAMP_CNT_WIDTH-1:0]
: OCAL_SIMPLE_SCAN_SAMPS[SAMP_CNT_WIDTH-1:0];
zero_ns = {SAMP_CNT_WIDTH{1'b0}};
if (taps_set) begin
samp_done_ns = 1'b0;
sm_ns = /*AK("AWAITING_DATA")*/1'd1;
oclk_calib_resume_ns = 1'b1;
end
end
/*AL("AWAITING_DATA")*/1'd1:begin
if (phy_rddata_en_1) begin
case (agg_samp_r)
NULL : if (~&match) agg_samp_ns = match;
ZERO, ONEEIGHTY : if (~(agg_samp_r == match || &match)) agg_samp_ns = FUZZ;
FUZZ : ;
endcase // case (agg_samp_r)
if (~data_end) data_cnt_ns = data_cnt_r - ONE[DATA_CNT_WIDTH-1:0];
else begin
data_cnt_ns = data_cnt;
if (rd_victim_end != rd_victim_sel_r) rd_victim_sel_ns = rd_victim_sel_r + 3'h1;
else begin
rd_victim_sel_ns = 3'h0;
if (agg_samp_ns == ZERO) zero_ns = zero_r + ONE[SAMP_CNT_WIDTH-1:0];
if (agg_samp_ns == ONEEIGHTY) oneeighty_ns = oneeighty_r + ONE[SAMP_CNT_WIDTH-1:0];
agg_samp_ns = NULL;
if (~samp_end) samps_ns = samps_r - ONE[SAMP_CNT_WIDTH-1:0];
else samp_done_ns = 1'b1;
end
end
if (samp_done_ns) sm_ns = /*AK("READY")*/1'd0;
else oclk_calib_resume_ns = ~complex_oclkdelay_calib_start && data_end;
end
end
endcase // case (sm_r)
end // always @ begin
endmodule
|
module mig_7series_v2_3_col_mach #
(
parameter TCQ = 100,
parameter BANK_WIDTH = 3,
parameter BURST_MODE = "8",
parameter COL_WIDTH = 12,
parameter CS_WIDTH = 4,
parameter DATA_BUF_ADDR_WIDTH = 8,
parameter DATA_BUF_OFFSET_WIDTH = 1,
parameter DELAY_WR_DATA_CNTRL = 0,
parameter DQS_WIDTH = 8,
parameter DRAM_TYPE = "DDR3",
parameter EARLY_WR_DATA_ADDR = "OFF",
parameter ECC = "OFF",
parameter MC_ERR_ADDR_WIDTH = 31,
parameter nCK_PER_CLK = 2,
parameter nPHY_WRLAT = 0,
parameter RANK_WIDTH = 2,
parameter ROW_WIDTH = 16
)
(/*AUTOARG*/
// Outputs
dq_busy_data, wr_data_offset, mc_wrdata_en, wr_data_en,
wr_data_addr, rd_rmw, ecc_err_addr, ecc_status_valid, wr_ecc_buf, rd_data_end,
rd_data_addr, rd_data_offset, rd_data_en, col_read_fifo_empty,
// Inputs
clk, rst, sent_col, col_size, col_wr_data_buf_addr,
phy_rddata_valid, col_periodic_rd, col_data_buf_addr, col_rmw,
col_rd_wr, col_ra, col_ba, col_row, col_a
);
input clk;
input rst;
input sent_col;
input col_rd_wr;
output reg dq_busy_data = 1'b0;
// The following generates a column command disable based mostly on the type
// of DRAM and the fabric to DRAM CK ratio.
generate
if ((nCK_PER_CLK == 1) && ((BURST_MODE == "8") || (DRAM_TYPE == "DDR3")))
begin : three_bumps
reg [1:0] granted_col_d_r;
wire [1:0] granted_col_d_ns = {sent_col, granted_col_d_r[1]};
always @(posedge clk) granted_col_d_r <= #TCQ granted_col_d_ns;
always @(/*AS*/granted_col_d_r or sent_col)
dq_busy_data = sent_col || |granted_col_d_r;
end
if (((nCK_PER_CLK == 2) && ((BURST_MODE == "8") || (DRAM_TYPE == "DDR3")))
|| ((nCK_PER_CLK == 1) && ((BURST_MODE == "4") || (DRAM_TYPE == "DDR2"))))
begin : one_bump
always @(/*AS*/sent_col) dq_busy_data = sent_col;
end
endgenerate
// This generates a data offset based on fabric clock to DRAM CK ratio and
// the size bit. Note that this is different that the dq_busy_data signal
// generated above.
reg [1:0] offset_r = 2'b0;
reg [1:0] offset_ns = 2'b0;
input col_size;
wire data_end;
generate
if(nCK_PER_CLK == 4) begin : data_valid_4_1
// For 4:1 mode all data is transfered in a single beat so the default
// values of 0 for offset_r/offset_ns suffice - just tie off data_end
assign data_end = 1'b1;
end
else begin
if(DATA_BUF_OFFSET_WIDTH == 2) begin : data_valid_1_1
always @(col_size or offset_r or rst or sent_col) begin
if (rst) offset_ns = 2'b0;
else begin
offset_ns = offset_r;
if (sent_col) offset_ns = 2'b1;
else if (|offset_r && (offset_r != {col_size, 1'b1}))
offset_ns = offset_r + 2'b1;
else offset_ns = 2'b0;
end
end
always @(posedge clk) offset_r <= #TCQ offset_ns;
assign data_end = col_size ? (offset_r == 2'b11) : offset_r[0];
end
else begin : data_valid_2_1
always @(col_size or rst or sent_col)
offset_ns[0] = rst ? 1'b0 : sent_col && col_size;
always @(posedge clk) offset_r[0] <= #TCQ offset_ns[0];
assign data_end = col_size ? offset_r[0] : 1'b1;
end
end
endgenerate
reg [DATA_BUF_OFFSET_WIDTH-1:0] offset_r1 = {DATA_BUF_OFFSET_WIDTH{1'b0}};
reg [DATA_BUF_OFFSET_WIDTH-1:0] offset_r2 = {DATA_BUF_OFFSET_WIDTH{1'b0}};
reg col_rd_wr_r1;
reg col_rd_wr_r2;
generate
if ((nPHY_WRLAT >= 1) || (DELAY_WR_DATA_CNTRL == 1)) begin : offset_pipe_0
always @(posedge clk) offset_r1 <=
#TCQ offset_r[DATA_BUF_OFFSET_WIDTH-1:0];
always @(posedge clk) col_rd_wr_r1 <= #TCQ col_rd_wr;
end
if(nPHY_WRLAT == 2) begin : offset_pipe_1
always @(posedge clk) offset_r2 <=
#TCQ offset_r1[DATA_BUF_OFFSET_WIDTH-1:0];
always @(posedge clk) col_rd_wr_r2 <= #TCQ col_rd_wr_r1;
end
endgenerate
output wire [DATA_BUF_OFFSET_WIDTH-1:0] wr_data_offset;
assign wr_data_offset = (DELAY_WR_DATA_CNTRL == 1)
? offset_r1[DATA_BUF_OFFSET_WIDTH-1:0]
: (EARLY_WR_DATA_ADDR == "OFF")
? offset_r[DATA_BUF_OFFSET_WIDTH-1:0]
: offset_ns[DATA_BUF_OFFSET_WIDTH-1:0];
reg sent_col_r1;
reg sent_col_r2;
always @(posedge clk) sent_col_r1 <= #TCQ sent_col;
always @(posedge clk) sent_col_r2 <= #TCQ sent_col_r1;
wire wrdata_en = (nPHY_WRLAT == 0) ?
(sent_col || |offset_r) & ~col_rd_wr :
(nPHY_WRLAT == 1) ?
(sent_col_r1 || |offset_r1) & ~col_rd_wr_r1 :
//(nPHY_WRLAT >= 2) ?
(sent_col_r2 || |offset_r2) & ~col_rd_wr_r2;
output wire mc_wrdata_en;
assign mc_wrdata_en = wrdata_en;
output wire wr_data_en;
assign wr_data_en = (DELAY_WR_DATA_CNTRL == 1)
? ((sent_col_r1 || |offset_r1) && ~col_rd_wr_r1)
: ((sent_col || |offset_r) && ~col_rd_wr);
input [DATA_BUF_ADDR_WIDTH-1:0] col_wr_data_buf_addr;
output wire [DATA_BUF_ADDR_WIDTH-1:0] wr_data_addr;
generate
if (DELAY_WR_DATA_CNTRL == 1) begin : delay_wr_data_cntrl_eq_1
reg [DATA_BUF_ADDR_WIDTH-1:0] col_wr_data_buf_addr_r;
always @(posedge clk) col_wr_data_buf_addr_r <=
#TCQ col_wr_data_buf_addr;
assign wr_data_addr = col_wr_data_buf_addr_r;
end
else begin : delay_wr_data_cntrl_ne_1
assign wr_data_addr = col_wr_data_buf_addr;
end
endgenerate
// CAS-RD to mc_rddata_en
wire read_data_valid = (sent_col || |offset_r) && col_rd_wr;
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
// Implement FIFO that records reads as they are sent to the DRAM.
// When phy_rddata_valid is returned some unknown time later, the
// FIFO output is used to control how the data is interpreted.
input phy_rddata_valid;
output wire rd_rmw;
output reg [MC_ERR_ADDR_WIDTH-1:0] ecc_err_addr;
output reg ecc_status_valid;
output reg wr_ecc_buf;
output reg rd_data_end;
output reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_addr;
output reg [DATA_BUF_OFFSET_WIDTH-1:0] rd_data_offset;
output reg rd_data_en /* synthesis syn_maxfan = 10 */;
output col_read_fifo_empty;
input col_periodic_rd;
input [DATA_BUF_ADDR_WIDTH-1:0] col_data_buf_addr;
input col_rmw;
input [RANK_WIDTH-1:0] col_ra;
input [BANK_WIDTH-1:0] col_ba;
input [ROW_WIDTH-1:0] col_row;
input [ROW_WIDTH-1:0] col_a;
// Real column address (skip A10/AP and A12/BC#). The maximum width is 12;
// the width will be tailored for the target DRAM downstream.
wire [11:0] col_a_full;
// Minimum row width is 12; take remaining 11 bits after omitting A10/AP
assign col_a_full[10:0] = {col_a[11], col_a[9:0]};
// Get the 12th bit when row address width accommodates it; omit A12/BC#
generate
if (ROW_WIDTH >= 14) begin : COL_A_FULL_11_1
assign col_a_full[11] = col_a[13];
end else begin : COL_A_FULL_11_0
assign col_a_full[11] = 0;
end
endgenerate
// Extract only the width of the target DRAM
wire [COL_WIDTH-1:0] col_a_extracted = col_a_full[COL_WIDTH-1:0];
localparam MC_ERR_LINE_WIDTH = MC_ERR_ADDR_WIDTH-DATA_BUF_OFFSET_WIDTH;
localparam FIFO_WIDTH = 1 /*data_end*/ +
1 /*periodic_rd*/ +
DATA_BUF_ADDR_WIDTH +
DATA_BUF_OFFSET_WIDTH +
((ECC == "OFF") ? 0 : 1+MC_ERR_LINE_WIDTH);
localparam FULL_RAM_CNT = (FIFO_WIDTH/6);
localparam REMAINDER = FIFO_WIDTH % 6;
localparam RAM_CNT = FULL_RAM_CNT + ((REMAINDER == 0 ) ? 0 : 1);
localparam RAM_WIDTH = (RAM_CNT*6);
generate
begin : read_fifo
wire [MC_ERR_LINE_WIDTH:0] ecc_line;
if (CS_WIDTH == 1)
assign ecc_line = {col_rmw, col_ba, col_row, col_a_extracted};
else
assign ecc_line = {col_rmw,
col_ra,
col_ba,
col_row,
col_a_extracted};
wire [FIFO_WIDTH-1:0] real_fifo_data;
if (ECC == "OFF")
assign real_fifo_data = {data_end,
col_periodic_rd,
col_data_buf_addr,
offset_r[DATA_BUF_OFFSET_WIDTH-1:0]};
else
assign real_fifo_data = {data_end,
col_periodic_rd,
col_data_buf_addr,
offset_r[DATA_BUF_OFFSET_WIDTH-1:0],
ecc_line};
wire [RAM_WIDTH-1:0] fifo_in_data;
if (REMAINDER == 0)
assign fifo_in_data = real_fifo_data;
else
assign fifo_in_data = {{6-REMAINDER{1'b0}}, real_fifo_data};
wire [RAM_WIDTH-1:0] fifo_out_data_ns;
reg [4:0] head_r;
wire [4:0] head_ns = rst ? 5'b0 : read_data_valid
? (head_r + 5'b1)
: head_r;
always @(posedge clk) head_r <= #TCQ head_ns;
reg [4:0] tail_r;
wire [4:0] tail_ns = rst ? 5'b0 : phy_rddata_valid
? (tail_r + 5'b1)
: tail_r;
always @(posedge clk) tail_r <= #TCQ tail_ns;
assign col_read_fifo_empty = head_r == tail_r ? 1'b1 : 1'b0;
genvar i;
for (i=0; i<RAM_CNT; i=i+1) begin : fifo_ram
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(fifo_out_data_ns[((i*6)+4)+:2]),
.DOB(fifo_out_data_ns[((i*6)+2)+:2]),
.DOC(fifo_out_data_ns[((i*6)+0)+:2]),
.DOD(),
.DIA(fifo_in_data[((i*6)+4)+:2]),
.DIB(fifo_in_data[((i*6)+2)+:2]),
.DIC(fifo_in_data[((i*6)+0)+:2]),
.DID(2'b0),
.ADDRA(tail_ns),
.ADDRB(tail_ns),
.ADDRC(tail_ns),
.ADDRD(head_r),
.WE(1'b1),
.WCLK(clk)
);
end // block: fifo_ram
reg [RAM_WIDTH-1:0] fifo_out_data_r;
always @(posedge clk) fifo_out_data_r <= #TCQ fifo_out_data_ns;
// When ECC is ON, most of the FIFO output is delayed
// by one state.
if (ECC == "OFF") begin
reg periodic_rd;
always @(/*AS*/phy_rddata_valid or fifo_out_data_r) begin
{rd_data_end,
periodic_rd,
rd_data_addr,
rd_data_offset} = fifo_out_data_r[FIFO_WIDTH-1:0];
ecc_err_addr = {MC_ERR_ADDR_WIDTH{1'b0}};
rd_data_en = phy_rddata_valid && ~periodic_rd;
ecc_status_valid = 1'b0;
wr_ecc_buf = 1'b0;
end
assign rd_rmw = 1'b0;
end
else begin
wire rd_data_end_ns;
wire periodic_rd;
wire [DATA_BUF_ADDR_WIDTH-1:0] rd_data_addr_ns;
wire [DATA_BUF_OFFSET_WIDTH-1:0] rd_data_offset_ns;
wire [MC_ERR_ADDR_WIDTH-1:0] ecc_err_addr_ns;
assign {rd_data_end_ns,
periodic_rd,
rd_data_addr_ns,
rd_data_offset_ns,
rd_rmw,
ecc_err_addr_ns[DATA_BUF_OFFSET_WIDTH+:MC_ERR_LINE_WIDTH]} =
{fifo_out_data_r[FIFO_WIDTH-1:0]};
assign ecc_err_addr_ns[0+:DATA_BUF_OFFSET_WIDTH] = rd_data_offset_ns;
always @(posedge clk) rd_data_end <= #TCQ rd_data_end_ns;
always @(posedge clk) rd_data_addr <= #TCQ rd_data_addr_ns;
always @(posedge clk) rd_data_offset <= #TCQ rd_data_offset_ns;
always @(posedge clk) ecc_err_addr <= #TCQ ecc_err_addr_ns;
wire rd_data_en_ns = phy_rddata_valid && ~(periodic_rd || rd_rmw);
always @(posedge clk) rd_data_en <= rd_data_en_ns;
wire ecc_status_valid_ns = phy_rddata_valid && ~periodic_rd;
always @(posedge clk) ecc_status_valid <= #TCQ ecc_status_valid_ns;
wire wr_ecc_buf_ns = phy_rddata_valid && ~periodic_rd && rd_rmw;
always @(posedge clk) wr_ecc_buf <= #TCQ wr_ecc_buf_ns;
end
end
endgenerate
endmodule
|
module mig_7series_v2_3_col_mach #
(
parameter TCQ = 100,
parameter BANK_WIDTH = 3,
parameter BURST_MODE = "8",
parameter COL_WIDTH = 12,
parameter CS_WIDTH = 4,
parameter DATA_BUF_ADDR_WIDTH = 8,
parameter DATA_BUF_OFFSET_WIDTH = 1,
parameter DELAY_WR_DATA_CNTRL = 0,
parameter DQS_WIDTH = 8,
parameter DRAM_TYPE = "DDR3",
parameter EARLY_WR_DATA_ADDR = "OFF",
parameter ECC = "OFF",
parameter MC_ERR_ADDR_WIDTH = 31,
parameter nCK_PER_CLK = 2,
parameter nPHY_WRLAT = 0,
parameter RANK_WIDTH = 2,
parameter ROW_WIDTH = 16
)
(/*AUTOARG*/
// Outputs
dq_busy_data, wr_data_offset, mc_wrdata_en, wr_data_en,
wr_data_addr, rd_rmw, ecc_err_addr, ecc_status_valid, wr_ecc_buf, rd_data_end,
rd_data_addr, rd_data_offset, rd_data_en, col_read_fifo_empty,
// Inputs
clk, rst, sent_col, col_size, col_wr_data_buf_addr,
phy_rddata_valid, col_periodic_rd, col_data_buf_addr, col_rmw,
col_rd_wr, col_ra, col_ba, col_row, col_a
);
input clk;
input rst;
input sent_col;
input col_rd_wr;
output reg dq_busy_data = 1'b0;
// The following generates a column command disable based mostly on the type
// of DRAM and the fabric to DRAM CK ratio.
generate
if ((nCK_PER_CLK == 1) && ((BURST_MODE == "8") || (DRAM_TYPE == "DDR3")))
begin : three_bumps
reg [1:0] granted_col_d_r;
wire [1:0] granted_col_d_ns = {sent_col, granted_col_d_r[1]};
always @(posedge clk) granted_col_d_r <= #TCQ granted_col_d_ns;
always @(/*AS*/granted_col_d_r or sent_col)
dq_busy_data = sent_col || |granted_col_d_r;
end
if (((nCK_PER_CLK == 2) && ((BURST_MODE == "8") || (DRAM_TYPE == "DDR3")))
|| ((nCK_PER_CLK == 1) && ((BURST_MODE == "4") || (DRAM_TYPE == "DDR2"))))
begin : one_bump
always @(/*AS*/sent_col) dq_busy_data = sent_col;
end
endgenerate
// This generates a data offset based on fabric clock to DRAM CK ratio and
// the size bit. Note that this is different that the dq_busy_data signal
// generated above.
reg [1:0] offset_r = 2'b0;
reg [1:0] offset_ns = 2'b0;
input col_size;
wire data_end;
generate
if(nCK_PER_CLK == 4) begin : data_valid_4_1
// For 4:1 mode all data is transfered in a single beat so the default
// values of 0 for offset_r/offset_ns suffice - just tie off data_end
assign data_end = 1'b1;
end
else begin
if(DATA_BUF_OFFSET_WIDTH == 2) begin : data_valid_1_1
always @(col_size or offset_r or rst or sent_col) begin
if (rst) offset_ns = 2'b0;
else begin
offset_ns = offset_r;
if (sent_col) offset_ns = 2'b1;
else if (|offset_r && (offset_r != {col_size, 1'b1}))
offset_ns = offset_r + 2'b1;
else offset_ns = 2'b0;
end
end
always @(posedge clk) offset_r <= #TCQ offset_ns;
assign data_end = col_size ? (offset_r == 2'b11) : offset_r[0];
end
else begin : data_valid_2_1
always @(col_size or rst or sent_col)
offset_ns[0] = rst ? 1'b0 : sent_col && col_size;
always @(posedge clk) offset_r[0] <= #TCQ offset_ns[0];
assign data_end = col_size ? offset_r[0] : 1'b1;
end
end
endgenerate
reg [DATA_BUF_OFFSET_WIDTH-1:0] offset_r1 = {DATA_BUF_OFFSET_WIDTH{1'b0}};
reg [DATA_BUF_OFFSET_WIDTH-1:0] offset_r2 = {DATA_BUF_OFFSET_WIDTH{1'b0}};
reg col_rd_wr_r1;
reg col_rd_wr_r2;
generate
if ((nPHY_WRLAT >= 1) || (DELAY_WR_DATA_CNTRL == 1)) begin : offset_pipe_0
always @(posedge clk) offset_r1 <=
#TCQ offset_r[DATA_BUF_OFFSET_WIDTH-1:0];
always @(posedge clk) col_rd_wr_r1 <= #TCQ col_rd_wr;
end
if(nPHY_WRLAT == 2) begin : offset_pipe_1
always @(posedge clk) offset_r2 <=
#TCQ offset_r1[DATA_BUF_OFFSET_WIDTH-1:0];
always @(posedge clk) col_rd_wr_r2 <= #TCQ col_rd_wr_r1;
end
endgenerate
output wire [DATA_BUF_OFFSET_WIDTH-1:0] wr_data_offset;
assign wr_data_offset = (DELAY_WR_DATA_CNTRL == 1)
? offset_r1[DATA_BUF_OFFSET_WIDTH-1:0]
: (EARLY_WR_DATA_ADDR == "OFF")
? offset_r[DATA_BUF_OFFSET_WIDTH-1:0]
: offset_ns[DATA_BUF_OFFSET_WIDTH-1:0];
reg sent_col_r1;
reg sent_col_r2;
always @(posedge clk) sent_col_r1 <= #TCQ sent_col;
always @(posedge clk) sent_col_r2 <= #TCQ sent_col_r1;
wire wrdata_en = (nPHY_WRLAT == 0) ?
(sent_col || |offset_r) & ~col_rd_wr :
(nPHY_WRLAT == 1) ?
(sent_col_r1 || |offset_r1) & ~col_rd_wr_r1 :
//(nPHY_WRLAT >= 2) ?
(sent_col_r2 || |offset_r2) & ~col_rd_wr_r2;
output wire mc_wrdata_en;
assign mc_wrdata_en = wrdata_en;
output wire wr_data_en;
assign wr_data_en = (DELAY_WR_DATA_CNTRL == 1)
? ((sent_col_r1 || |offset_r1) && ~col_rd_wr_r1)
: ((sent_col || |offset_r) && ~col_rd_wr);
input [DATA_BUF_ADDR_WIDTH-1:0] col_wr_data_buf_addr;
output wire [DATA_BUF_ADDR_WIDTH-1:0] wr_data_addr;
generate
if (DELAY_WR_DATA_CNTRL == 1) begin : delay_wr_data_cntrl_eq_1
reg [DATA_BUF_ADDR_WIDTH-1:0] col_wr_data_buf_addr_r;
always @(posedge clk) col_wr_data_buf_addr_r <=
#TCQ col_wr_data_buf_addr;
assign wr_data_addr = col_wr_data_buf_addr_r;
end
else begin : delay_wr_data_cntrl_ne_1
assign wr_data_addr = col_wr_data_buf_addr;
end
endgenerate
// CAS-RD to mc_rddata_en
wire read_data_valid = (sent_col || |offset_r) && col_rd_wr;
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
// Implement FIFO that records reads as they are sent to the DRAM.
// When phy_rddata_valid is returned some unknown time later, the
// FIFO output is used to control how the data is interpreted.
input phy_rddata_valid;
output wire rd_rmw;
output reg [MC_ERR_ADDR_WIDTH-1:0] ecc_err_addr;
output reg ecc_status_valid;
output reg wr_ecc_buf;
output reg rd_data_end;
output reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_addr;
output reg [DATA_BUF_OFFSET_WIDTH-1:0] rd_data_offset;
output reg rd_data_en /* synthesis syn_maxfan = 10 */;
output col_read_fifo_empty;
input col_periodic_rd;
input [DATA_BUF_ADDR_WIDTH-1:0] col_data_buf_addr;
input col_rmw;
input [RANK_WIDTH-1:0] col_ra;
input [BANK_WIDTH-1:0] col_ba;
input [ROW_WIDTH-1:0] col_row;
input [ROW_WIDTH-1:0] col_a;
// Real column address (skip A10/AP and A12/BC#). The maximum width is 12;
// the width will be tailored for the target DRAM downstream.
wire [11:0] col_a_full;
// Minimum row width is 12; take remaining 11 bits after omitting A10/AP
assign col_a_full[10:0] = {col_a[11], col_a[9:0]};
// Get the 12th bit when row address width accommodates it; omit A12/BC#
generate
if (ROW_WIDTH >= 14) begin : COL_A_FULL_11_1
assign col_a_full[11] = col_a[13];
end else begin : COL_A_FULL_11_0
assign col_a_full[11] = 0;
end
endgenerate
// Extract only the width of the target DRAM
wire [COL_WIDTH-1:0] col_a_extracted = col_a_full[COL_WIDTH-1:0];
localparam MC_ERR_LINE_WIDTH = MC_ERR_ADDR_WIDTH-DATA_BUF_OFFSET_WIDTH;
localparam FIFO_WIDTH = 1 /*data_end*/ +
1 /*periodic_rd*/ +
DATA_BUF_ADDR_WIDTH +
DATA_BUF_OFFSET_WIDTH +
((ECC == "OFF") ? 0 : 1+MC_ERR_LINE_WIDTH);
localparam FULL_RAM_CNT = (FIFO_WIDTH/6);
localparam REMAINDER = FIFO_WIDTH % 6;
localparam RAM_CNT = FULL_RAM_CNT + ((REMAINDER == 0 ) ? 0 : 1);
localparam RAM_WIDTH = (RAM_CNT*6);
generate
begin : read_fifo
wire [MC_ERR_LINE_WIDTH:0] ecc_line;
if (CS_WIDTH == 1)
assign ecc_line = {col_rmw, col_ba, col_row, col_a_extracted};
else
assign ecc_line = {col_rmw,
col_ra,
col_ba,
col_row,
col_a_extracted};
wire [FIFO_WIDTH-1:0] real_fifo_data;
if (ECC == "OFF")
assign real_fifo_data = {data_end,
col_periodic_rd,
col_data_buf_addr,
offset_r[DATA_BUF_OFFSET_WIDTH-1:0]};
else
assign real_fifo_data = {data_end,
col_periodic_rd,
col_data_buf_addr,
offset_r[DATA_BUF_OFFSET_WIDTH-1:0],
ecc_line};
wire [RAM_WIDTH-1:0] fifo_in_data;
if (REMAINDER == 0)
assign fifo_in_data = real_fifo_data;
else
assign fifo_in_data = {{6-REMAINDER{1'b0}}, real_fifo_data};
wire [RAM_WIDTH-1:0] fifo_out_data_ns;
reg [4:0] head_r;
wire [4:0] head_ns = rst ? 5'b0 : read_data_valid
? (head_r + 5'b1)
: head_r;
always @(posedge clk) head_r <= #TCQ head_ns;
reg [4:0] tail_r;
wire [4:0] tail_ns = rst ? 5'b0 : phy_rddata_valid
? (tail_r + 5'b1)
: tail_r;
always @(posedge clk) tail_r <= #TCQ tail_ns;
assign col_read_fifo_empty = head_r == tail_r ? 1'b1 : 1'b0;
genvar i;
for (i=0; i<RAM_CNT; i=i+1) begin : fifo_ram
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(fifo_out_data_ns[((i*6)+4)+:2]),
.DOB(fifo_out_data_ns[((i*6)+2)+:2]),
.DOC(fifo_out_data_ns[((i*6)+0)+:2]),
.DOD(),
.DIA(fifo_in_data[((i*6)+4)+:2]),
.DIB(fifo_in_data[((i*6)+2)+:2]),
.DIC(fifo_in_data[((i*6)+0)+:2]),
.DID(2'b0),
.ADDRA(tail_ns),
.ADDRB(tail_ns),
.ADDRC(tail_ns),
.ADDRD(head_r),
.WE(1'b1),
.WCLK(clk)
);
end // block: fifo_ram
reg [RAM_WIDTH-1:0] fifo_out_data_r;
always @(posedge clk) fifo_out_data_r <= #TCQ fifo_out_data_ns;
// When ECC is ON, most of the FIFO output is delayed
// by one state.
if (ECC == "OFF") begin
reg periodic_rd;
always @(/*AS*/phy_rddata_valid or fifo_out_data_r) begin
{rd_data_end,
periodic_rd,
rd_data_addr,
rd_data_offset} = fifo_out_data_r[FIFO_WIDTH-1:0];
ecc_err_addr = {MC_ERR_ADDR_WIDTH{1'b0}};
rd_data_en = phy_rddata_valid && ~periodic_rd;
ecc_status_valid = 1'b0;
wr_ecc_buf = 1'b0;
end
assign rd_rmw = 1'b0;
end
else begin
wire rd_data_end_ns;
wire periodic_rd;
wire [DATA_BUF_ADDR_WIDTH-1:0] rd_data_addr_ns;
wire [DATA_BUF_OFFSET_WIDTH-1:0] rd_data_offset_ns;
wire [MC_ERR_ADDR_WIDTH-1:0] ecc_err_addr_ns;
assign {rd_data_end_ns,
periodic_rd,
rd_data_addr_ns,
rd_data_offset_ns,
rd_rmw,
ecc_err_addr_ns[DATA_BUF_OFFSET_WIDTH+:MC_ERR_LINE_WIDTH]} =
{fifo_out_data_r[FIFO_WIDTH-1:0]};
assign ecc_err_addr_ns[0+:DATA_BUF_OFFSET_WIDTH] = rd_data_offset_ns;
always @(posedge clk) rd_data_end <= #TCQ rd_data_end_ns;
always @(posedge clk) rd_data_addr <= #TCQ rd_data_addr_ns;
always @(posedge clk) rd_data_offset <= #TCQ rd_data_offset_ns;
always @(posedge clk) ecc_err_addr <= #TCQ ecc_err_addr_ns;
wire rd_data_en_ns = phy_rddata_valid && ~(periodic_rd || rd_rmw);
always @(posedge clk) rd_data_en <= rd_data_en_ns;
wire ecc_status_valid_ns = phy_rddata_valid && ~periodic_rd;
always @(posedge clk) ecc_status_valid <= #TCQ ecc_status_valid_ns;
wire wr_ecc_buf_ns = phy_rddata_valid && ~periodic_rd && rd_rmw;
always @(posedge clk) wr_ecc_buf <= #TCQ wr_ecc_buf_ns;
end
end
endgenerate
endmodule
|
module mig_7series_v2_3_ddr_of_pre_fifo #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter DEPTH = 4, // # of entries
parameter WIDTH = 32 // data bus width
)
(
input clk, // clock
input rst, // synchronous reset
input full_in, // FULL flag from OUT_FIFO
input wr_en_in, // write enable from controller
input [WIDTH-1:0] d_in, // write data from controller
output wr_en_out, // write enable to OUT_FIFO
output [WIDTH-1:0] d_out, // write data to OUT_FIFO
output afull // almost full signal to controller
);
// # of bits used to represent read/write pointers
localparam PTR_BITS
= (DEPTH == 2) ? 1 :
((DEPTH == 3) || (DEPTH == 4)) ? 2 :
(((DEPTH == 5) || (DEPTH == 6) ||
(DEPTH == 7) || (DEPTH == 8)) ? 3 :
DEPTH == 9 ? 4 : 'bx);
// Set watermark. Always give the MC 5 cycles to engage flow control.
localparam ALMOST_FULL_VALUE = DEPTH - 5;
integer i;
reg [WIDTH-1:0] mem[0:DEPTH-1] ;
reg [8:0] my_empty /* synthesis syn_maxfan = 3 */;
reg [5:0] my_full /* synthesis syn_maxfan = 3 */;
reg [PTR_BITS-1:0] rd_ptr /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS-1:0] wr_ptr /* synthesis syn_maxfan = 10 */;
(* KEEP = "TRUE", max_fanout = 50 *) reg [PTR_BITS-1:0] rd_ptr_timing /* synthesis syn_maxfan = 10 */;
(* KEEP = "TRUE", max_fanout = 50 *) reg [PTR_BITS-1:0] wr_ptr_timing /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS:0] entry_cnt;
wire [PTR_BITS-1:0] nxt_rd_ptr;
wire [PTR_BITS-1:0] nxt_wr_ptr;
wire [WIDTH-1:0] mem_out;
(* max_fanout = 50 *) wire wr_en;
assign d_out = my_empty[0] ? d_in : mem_out;
assign wr_en_out = !full_in && (!my_empty[1] || wr_en_in);
assign wr_en = wr_en_in & ((!my_empty[3] & !full_in)|(!my_full[2] & full_in));
always @ (posedge clk)
if (wr_en)
mem[wr_ptr] <= #TCQ d_in;
assign mem_out = mem[rd_ptr];
assign nxt_rd_ptr = (rd_ptr + 1'b1)%DEPTH;
always @ (posedge clk)
begin
if (rst) begin
rd_ptr <= 'b0;
rd_ptr_timing <= 'b0;
end
else if ((!my_empty[4]) & (!full_in)) begin
rd_ptr <= nxt_rd_ptr;
rd_ptr_timing <= nxt_rd_ptr;
end
end
always @ (posedge clk)
begin
if (rst)
my_empty <= 9'h1ff;
else begin
if (my_empty[2] & !my_full[3] & full_in & wr_en_in)
my_empty[3:0] <= 4'b0000;
else if (!my_empty[2] & !my_full[3] & !full_in & !wr_en_in) begin
my_empty[0] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[1] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[2] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[3] <= (nxt_rd_ptr == wr_ptr_timing);
end
if (my_empty[8] & !my_full[5] & full_in & wr_en_in)
my_empty[8:4] <= 5'b00000;
else if (!my_empty[8] & !my_full[5] & !full_in & !wr_en_in) begin
my_empty[4] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[5] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[6] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[7] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[8] <= (nxt_rd_ptr == wr_ptr_timing);
end
end
end
assign nxt_wr_ptr = (wr_ptr + 1'b1)%DEPTH;
always @ (posedge clk)
begin
if (rst) begin
wr_ptr <= 'b0;
wr_ptr_timing <= 'b0;
end
else if ((wr_en_in) & ((!my_empty[5] & !full_in) | (!my_full[1] & full_in))) begin
wr_ptr <= nxt_wr_ptr;
wr_ptr_timing <= nxt_wr_ptr;
end
end
always @ (posedge clk)
begin
if (rst)
my_full <= 6'b000000;
else if (!my_empty[6] & my_full[0] & !full_in & !wr_en_in)
my_full <= 6'b000000;
else if (!my_empty[6] & !my_full[0] & full_in & wr_en_in) begin
my_full[0] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[1] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[2] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[3] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[4] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[5] <= (nxt_wr_ptr == rd_ptr_timing);
end
end
always @ (posedge clk)
begin
if (rst)
entry_cnt <= 'b0;
else if (wr_en_in & full_in & !my_full[4])
entry_cnt <= entry_cnt + 1'b1;
else if (!wr_en_in & !full_in & !my_empty[7])
entry_cnt <= entry_cnt - 1'b1;
end
assign afull = (entry_cnt >= ALMOST_FULL_VALUE);
endmodule
|
module mig_7series_v2_3_ddr_of_pre_fifo #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter DEPTH = 4, // # of entries
parameter WIDTH = 32 // data bus width
)
(
input clk, // clock
input rst, // synchronous reset
input full_in, // FULL flag from OUT_FIFO
input wr_en_in, // write enable from controller
input [WIDTH-1:0] d_in, // write data from controller
output wr_en_out, // write enable to OUT_FIFO
output [WIDTH-1:0] d_out, // write data to OUT_FIFO
output afull // almost full signal to controller
);
// # of bits used to represent read/write pointers
localparam PTR_BITS
= (DEPTH == 2) ? 1 :
((DEPTH == 3) || (DEPTH == 4)) ? 2 :
(((DEPTH == 5) || (DEPTH == 6) ||
(DEPTH == 7) || (DEPTH == 8)) ? 3 :
DEPTH == 9 ? 4 : 'bx);
// Set watermark. Always give the MC 5 cycles to engage flow control.
localparam ALMOST_FULL_VALUE = DEPTH - 5;
integer i;
reg [WIDTH-1:0] mem[0:DEPTH-1] ;
reg [8:0] my_empty /* synthesis syn_maxfan = 3 */;
reg [5:0] my_full /* synthesis syn_maxfan = 3 */;
reg [PTR_BITS-1:0] rd_ptr /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS-1:0] wr_ptr /* synthesis syn_maxfan = 10 */;
(* KEEP = "TRUE", max_fanout = 50 *) reg [PTR_BITS-1:0] rd_ptr_timing /* synthesis syn_maxfan = 10 */;
(* KEEP = "TRUE", max_fanout = 50 *) reg [PTR_BITS-1:0] wr_ptr_timing /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS:0] entry_cnt;
wire [PTR_BITS-1:0] nxt_rd_ptr;
wire [PTR_BITS-1:0] nxt_wr_ptr;
wire [WIDTH-1:0] mem_out;
(* max_fanout = 50 *) wire wr_en;
assign d_out = my_empty[0] ? d_in : mem_out;
assign wr_en_out = !full_in && (!my_empty[1] || wr_en_in);
assign wr_en = wr_en_in & ((!my_empty[3] & !full_in)|(!my_full[2] & full_in));
always @ (posedge clk)
if (wr_en)
mem[wr_ptr] <= #TCQ d_in;
assign mem_out = mem[rd_ptr];
assign nxt_rd_ptr = (rd_ptr + 1'b1)%DEPTH;
always @ (posedge clk)
begin
if (rst) begin
rd_ptr <= 'b0;
rd_ptr_timing <= 'b0;
end
else if ((!my_empty[4]) & (!full_in)) begin
rd_ptr <= nxt_rd_ptr;
rd_ptr_timing <= nxt_rd_ptr;
end
end
always @ (posedge clk)
begin
if (rst)
my_empty <= 9'h1ff;
else begin
if (my_empty[2] & !my_full[3] & full_in & wr_en_in)
my_empty[3:0] <= 4'b0000;
else if (!my_empty[2] & !my_full[3] & !full_in & !wr_en_in) begin
my_empty[0] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[1] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[2] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[3] <= (nxt_rd_ptr == wr_ptr_timing);
end
if (my_empty[8] & !my_full[5] & full_in & wr_en_in)
my_empty[8:4] <= 5'b00000;
else if (!my_empty[8] & !my_full[5] & !full_in & !wr_en_in) begin
my_empty[4] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[5] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[6] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[7] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[8] <= (nxt_rd_ptr == wr_ptr_timing);
end
end
end
assign nxt_wr_ptr = (wr_ptr + 1'b1)%DEPTH;
always @ (posedge clk)
begin
if (rst) begin
wr_ptr <= 'b0;
wr_ptr_timing <= 'b0;
end
else if ((wr_en_in) & ((!my_empty[5] & !full_in) | (!my_full[1] & full_in))) begin
wr_ptr <= nxt_wr_ptr;
wr_ptr_timing <= nxt_wr_ptr;
end
end
always @ (posedge clk)
begin
if (rst)
my_full <= 6'b000000;
else if (!my_empty[6] & my_full[0] & !full_in & !wr_en_in)
my_full <= 6'b000000;
else if (!my_empty[6] & !my_full[0] & full_in & wr_en_in) begin
my_full[0] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[1] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[2] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[3] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[4] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[5] <= (nxt_wr_ptr == rd_ptr_timing);
end
end
always @ (posedge clk)
begin
if (rst)
entry_cnt <= 'b0;
else if (wr_en_in & full_in & !my_full[4])
entry_cnt <= entry_cnt + 1'b1;
else if (!wr_en_in & !full_in & !my_empty[7])
entry_cnt <= entry_cnt - 1'b1;
end
assign afull = (entry_cnt >= ALMOST_FULL_VALUE);
endmodule
|
module mig_7series_v2_3_ddr_of_pre_fifo #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter DEPTH = 4, // # of entries
parameter WIDTH = 32 // data bus width
)
(
input clk, // clock
input rst, // synchronous reset
input full_in, // FULL flag from OUT_FIFO
input wr_en_in, // write enable from controller
input [WIDTH-1:0] d_in, // write data from controller
output wr_en_out, // write enable to OUT_FIFO
output [WIDTH-1:0] d_out, // write data to OUT_FIFO
output afull // almost full signal to controller
);
// # of bits used to represent read/write pointers
localparam PTR_BITS
= (DEPTH == 2) ? 1 :
((DEPTH == 3) || (DEPTH == 4)) ? 2 :
(((DEPTH == 5) || (DEPTH == 6) ||
(DEPTH == 7) || (DEPTH == 8)) ? 3 :
DEPTH == 9 ? 4 : 'bx);
// Set watermark. Always give the MC 5 cycles to engage flow control.
localparam ALMOST_FULL_VALUE = DEPTH - 5;
integer i;
reg [WIDTH-1:0] mem[0:DEPTH-1] ;
reg [8:0] my_empty /* synthesis syn_maxfan = 3 */;
reg [5:0] my_full /* synthesis syn_maxfan = 3 */;
reg [PTR_BITS-1:0] rd_ptr /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS-1:0] wr_ptr /* synthesis syn_maxfan = 10 */;
(* KEEP = "TRUE", max_fanout = 50 *) reg [PTR_BITS-1:0] rd_ptr_timing /* synthesis syn_maxfan = 10 */;
(* KEEP = "TRUE", max_fanout = 50 *) reg [PTR_BITS-1:0] wr_ptr_timing /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS:0] entry_cnt;
wire [PTR_BITS-1:0] nxt_rd_ptr;
wire [PTR_BITS-1:0] nxt_wr_ptr;
wire [WIDTH-1:0] mem_out;
(* max_fanout = 50 *) wire wr_en;
assign d_out = my_empty[0] ? d_in : mem_out;
assign wr_en_out = !full_in && (!my_empty[1] || wr_en_in);
assign wr_en = wr_en_in & ((!my_empty[3] & !full_in)|(!my_full[2] & full_in));
always @ (posedge clk)
if (wr_en)
mem[wr_ptr] <= #TCQ d_in;
assign mem_out = mem[rd_ptr];
assign nxt_rd_ptr = (rd_ptr + 1'b1)%DEPTH;
always @ (posedge clk)
begin
if (rst) begin
rd_ptr <= 'b0;
rd_ptr_timing <= 'b0;
end
else if ((!my_empty[4]) & (!full_in)) begin
rd_ptr <= nxt_rd_ptr;
rd_ptr_timing <= nxt_rd_ptr;
end
end
always @ (posedge clk)
begin
if (rst)
my_empty <= 9'h1ff;
else begin
if (my_empty[2] & !my_full[3] & full_in & wr_en_in)
my_empty[3:0] <= 4'b0000;
else if (!my_empty[2] & !my_full[3] & !full_in & !wr_en_in) begin
my_empty[0] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[1] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[2] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[3] <= (nxt_rd_ptr == wr_ptr_timing);
end
if (my_empty[8] & !my_full[5] & full_in & wr_en_in)
my_empty[8:4] <= 5'b00000;
else if (!my_empty[8] & !my_full[5] & !full_in & !wr_en_in) begin
my_empty[4] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[5] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[6] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[7] <= (nxt_rd_ptr == wr_ptr_timing);
my_empty[8] <= (nxt_rd_ptr == wr_ptr_timing);
end
end
end
assign nxt_wr_ptr = (wr_ptr + 1'b1)%DEPTH;
always @ (posedge clk)
begin
if (rst) begin
wr_ptr <= 'b0;
wr_ptr_timing <= 'b0;
end
else if ((wr_en_in) & ((!my_empty[5] & !full_in) | (!my_full[1] & full_in))) begin
wr_ptr <= nxt_wr_ptr;
wr_ptr_timing <= nxt_wr_ptr;
end
end
always @ (posedge clk)
begin
if (rst)
my_full <= 6'b000000;
else if (!my_empty[6] & my_full[0] & !full_in & !wr_en_in)
my_full <= 6'b000000;
else if (!my_empty[6] & !my_full[0] & full_in & wr_en_in) begin
my_full[0] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[1] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[2] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[3] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[4] <= (nxt_wr_ptr == rd_ptr_timing);
my_full[5] <= (nxt_wr_ptr == rd_ptr_timing);
end
end
always @ (posedge clk)
begin
if (rst)
entry_cnt <= 'b0;
else if (wr_en_in & full_in & !my_full[4])
entry_cnt <= entry_cnt + 1'b1;
else if (!wr_en_in & !full_in & !my_empty[7])
entry_cnt <= entry_cnt - 1'b1;
end
assign afull = (entry_cnt >= ALMOST_FULL_VALUE);
endmodule
|
module mig_7series_v2_3_ddr_phy_wrlvl_off_delay #
(
parameter TCQ = 100,
parameter tCK = 3636,
parameter nCK_PER_CLK = 2,
parameter CLK_PERIOD = 4,
parameter PO_INITIAL_DLY= 46,
parameter DQS_CNT_WIDTH = 3,
parameter DQS_WIDTH = 8,
parameter N_CTL_LANES = 3
)
(
input clk,
input rst,
input pi_fine_dly_dec_done,
input cmd_delay_start,
// Control lane being shifted using Phaser_Out fine delay taps
output reg [DQS_CNT_WIDTH:0] ctl_lane_cnt,
// Inc/dec Phaser_Out fine delay line
output reg po_s2_incdec_f,
output reg po_en_s2_f,
// Inc/dec Phaser_Out coarse delay line
output reg po_s2_incdec_c,
output reg po_en_s2_c,
// Completed adjusting delays for dq, dqs for tdqss
output po_ck_addr_cmd_delay_done,
// completed decrementing initialPO delays
output po_dec_done,
output phy_ctl_rdy_dly
);
localparam TAP_LIMIT = 63;
// PO fine delay tap resolution change by frequency. tCK > 2500, need
// twice the amount of taps
// localparam D_DLY_F = (tCK > 2500 ) ? D_DLY * 2 : D_DLY;
// coarse delay tap is added DQ/DQS to meet the TDQSS specification.
localparam TDQSS_DLY = (tCK > 2500 )? 2: 1;
reg delay_done;
reg delay_done_r1;
reg delay_done_r2;
reg delay_done_r3;
reg delay_done_r4;
reg [5:0] po_delay_cnt_r;
reg po_cnt_inc;
reg cmd_delay_start_r1;
reg cmd_delay_start_r2;
reg cmd_delay_start_r3;
reg cmd_delay_start_r4;
reg cmd_delay_start_r5;
reg cmd_delay_start_r6;
reg po_delay_done;
reg po_delay_done_r1;
reg po_delay_done_r2;
reg po_delay_done_r3;
reg po_delay_done_r4;
reg pi_fine_dly_dec_done_r;
reg po_en_stg2_c;
reg po_en_stg2_f;
reg po_stg2_incdec_c;
reg po_stg2_f_incdec;
reg [DQS_CNT_WIDTH:0] lane_cnt_dqs_c_r;
reg [DQS_CNT_WIDTH:0] lane_cnt_po_r;
reg [5:0] delay_cnt_r;
always @(posedge clk) begin
cmd_delay_start_r1 <= #TCQ cmd_delay_start;
cmd_delay_start_r2 <= #TCQ cmd_delay_start_r1;
cmd_delay_start_r3 <= #TCQ cmd_delay_start_r2;
cmd_delay_start_r4 <= #TCQ cmd_delay_start_r3;
cmd_delay_start_r5 <= #TCQ cmd_delay_start_r4;
cmd_delay_start_r6 <= #TCQ cmd_delay_start_r5;
pi_fine_dly_dec_done_r <= #TCQ pi_fine_dly_dec_done;
end
assign phy_ctl_rdy_dly = cmd_delay_start_r6;
// logic for decrementing initial fine delay taps for all PO
// Decrement done for add, ctrl and data phaser outs
assign po_dec_done = (PO_INITIAL_DLY == 0) ? 1 : po_delay_done_r4;
always @(posedge clk)
if (rst || ~cmd_delay_start_r6 || po_delay_done) begin
po_stg2_f_incdec <= #TCQ 1'b0;
po_en_stg2_f <= #TCQ 1'b0;
end else if (po_delay_cnt_r > 6'd0) begin
po_en_stg2_f <= #TCQ ~po_en_stg2_f;
end
always @(posedge clk)
if (rst || ~cmd_delay_start_r6 || (po_delay_cnt_r == 6'd0))
// set all the PO delays to 31. Decrement from 46 to 31.
// Requirement comes from dqs_found logic
po_delay_cnt_r <= #TCQ (PO_INITIAL_DLY - 31);
else if ( po_en_stg2_f && (po_delay_cnt_r > 6'd0))
po_delay_cnt_r <= #TCQ po_delay_cnt_r - 1;
always @(posedge clk)
if (rst)
lane_cnt_po_r <= #TCQ 'd0;
else if ( po_en_stg2_f && (po_delay_cnt_r == 6'd1))
lane_cnt_po_r <= #TCQ lane_cnt_po_r + 1;
always @(posedge clk)
if (rst || ~cmd_delay_start_r6 )
po_delay_done <= #TCQ 1'b0;
else if ((po_delay_cnt_r == 6'd1) && (lane_cnt_po_r ==1'b0))
po_delay_done <= #TCQ 1'b1;
always @(posedge clk) begin
po_delay_done_r1 <= #TCQ po_delay_done;
po_delay_done_r2 <= #TCQ po_delay_done_r1;
po_delay_done_r3 <= #TCQ po_delay_done_r2;
po_delay_done_r4 <= #TCQ po_delay_done_r3;
end
// logic to select between all PO delays and data path delay.
always @(posedge clk) begin
po_s2_incdec_f <= #TCQ po_stg2_f_incdec;
po_en_s2_f <= #TCQ po_en_stg2_f;
end
// Logic to add 1/4 taps amount of delay to data path for tdqss.
// After all the initial PO delays are decremented the 1/4 delay will
// be added. Coarse delay taps will be added here .
// Delay added only to data path
assign po_ck_addr_cmd_delay_done = (TDQSS_DLY == 0) ? pi_fine_dly_dec_done_r
: delay_done_r4;
always @(posedge clk)
if (rst || ~pi_fine_dly_dec_done_r || delay_done) begin
po_stg2_incdec_c <= #TCQ 1'b1;
po_en_stg2_c <= #TCQ 1'b0;
end else if (delay_cnt_r > 6'd0) begin
po_en_stg2_c <= #TCQ ~po_en_stg2_c;
end
always @(posedge clk)
if (rst || ~pi_fine_dly_dec_done_r || (delay_cnt_r == 6'd0))
delay_cnt_r <= #TCQ TDQSS_DLY;
else if ( po_en_stg2_c && (delay_cnt_r > 6'd0))
delay_cnt_r <= #TCQ delay_cnt_r - 1;
always @(posedge clk)
if (rst)
lane_cnt_dqs_c_r <= #TCQ 'd0;
else if ( po_en_stg2_c && (delay_cnt_r == 6'd1))
lane_cnt_dqs_c_r <= #TCQ lane_cnt_dqs_c_r + 1;
always @(posedge clk)
if (rst || ~pi_fine_dly_dec_done_r)
delay_done <= #TCQ 1'b0;
else if ((delay_cnt_r == 6'd1) && (lane_cnt_dqs_c_r == 1'b0))
delay_done <= #TCQ 1'b1;
always @(posedge clk) begin
delay_done_r1 <= #TCQ delay_done;
delay_done_r2 <= #TCQ delay_done_r1;
delay_done_r3 <= #TCQ delay_done_r2;
delay_done_r4 <= #TCQ delay_done_r3;
end
always @(posedge clk) begin
po_s2_incdec_c <= #TCQ po_stg2_incdec_c;
po_en_s2_c <= #TCQ po_en_stg2_c;
ctl_lane_cnt <= #TCQ lane_cnt_dqs_c_r;
end
endmodule
|
module mig_7series_v2_3_ddr_phy_wrlvl_off_delay #
(
parameter TCQ = 100,
parameter tCK = 3636,
parameter nCK_PER_CLK = 2,
parameter CLK_PERIOD = 4,
parameter PO_INITIAL_DLY= 46,
parameter DQS_CNT_WIDTH = 3,
parameter DQS_WIDTH = 8,
parameter N_CTL_LANES = 3
)
(
input clk,
input rst,
input pi_fine_dly_dec_done,
input cmd_delay_start,
// Control lane being shifted using Phaser_Out fine delay taps
output reg [DQS_CNT_WIDTH:0] ctl_lane_cnt,
// Inc/dec Phaser_Out fine delay line
output reg po_s2_incdec_f,
output reg po_en_s2_f,
// Inc/dec Phaser_Out coarse delay line
output reg po_s2_incdec_c,
output reg po_en_s2_c,
// Completed adjusting delays for dq, dqs for tdqss
output po_ck_addr_cmd_delay_done,
// completed decrementing initialPO delays
output po_dec_done,
output phy_ctl_rdy_dly
);
localparam TAP_LIMIT = 63;
// PO fine delay tap resolution change by frequency. tCK > 2500, need
// twice the amount of taps
// localparam D_DLY_F = (tCK > 2500 ) ? D_DLY * 2 : D_DLY;
// coarse delay tap is added DQ/DQS to meet the TDQSS specification.
localparam TDQSS_DLY = (tCK > 2500 )? 2: 1;
reg delay_done;
reg delay_done_r1;
reg delay_done_r2;
reg delay_done_r3;
reg delay_done_r4;
reg [5:0] po_delay_cnt_r;
reg po_cnt_inc;
reg cmd_delay_start_r1;
reg cmd_delay_start_r2;
reg cmd_delay_start_r3;
reg cmd_delay_start_r4;
reg cmd_delay_start_r5;
reg cmd_delay_start_r6;
reg po_delay_done;
reg po_delay_done_r1;
reg po_delay_done_r2;
reg po_delay_done_r3;
reg po_delay_done_r4;
reg pi_fine_dly_dec_done_r;
reg po_en_stg2_c;
reg po_en_stg2_f;
reg po_stg2_incdec_c;
reg po_stg2_f_incdec;
reg [DQS_CNT_WIDTH:0] lane_cnt_dqs_c_r;
reg [DQS_CNT_WIDTH:0] lane_cnt_po_r;
reg [5:0] delay_cnt_r;
always @(posedge clk) begin
cmd_delay_start_r1 <= #TCQ cmd_delay_start;
cmd_delay_start_r2 <= #TCQ cmd_delay_start_r1;
cmd_delay_start_r3 <= #TCQ cmd_delay_start_r2;
cmd_delay_start_r4 <= #TCQ cmd_delay_start_r3;
cmd_delay_start_r5 <= #TCQ cmd_delay_start_r4;
cmd_delay_start_r6 <= #TCQ cmd_delay_start_r5;
pi_fine_dly_dec_done_r <= #TCQ pi_fine_dly_dec_done;
end
assign phy_ctl_rdy_dly = cmd_delay_start_r6;
// logic for decrementing initial fine delay taps for all PO
// Decrement done for add, ctrl and data phaser outs
assign po_dec_done = (PO_INITIAL_DLY == 0) ? 1 : po_delay_done_r4;
always @(posedge clk)
if (rst || ~cmd_delay_start_r6 || po_delay_done) begin
po_stg2_f_incdec <= #TCQ 1'b0;
po_en_stg2_f <= #TCQ 1'b0;
end else if (po_delay_cnt_r > 6'd0) begin
po_en_stg2_f <= #TCQ ~po_en_stg2_f;
end
always @(posedge clk)
if (rst || ~cmd_delay_start_r6 || (po_delay_cnt_r == 6'd0))
// set all the PO delays to 31. Decrement from 46 to 31.
// Requirement comes from dqs_found logic
po_delay_cnt_r <= #TCQ (PO_INITIAL_DLY - 31);
else if ( po_en_stg2_f && (po_delay_cnt_r > 6'd0))
po_delay_cnt_r <= #TCQ po_delay_cnt_r - 1;
always @(posedge clk)
if (rst)
lane_cnt_po_r <= #TCQ 'd0;
else if ( po_en_stg2_f && (po_delay_cnt_r == 6'd1))
lane_cnt_po_r <= #TCQ lane_cnt_po_r + 1;
always @(posedge clk)
if (rst || ~cmd_delay_start_r6 )
po_delay_done <= #TCQ 1'b0;
else if ((po_delay_cnt_r == 6'd1) && (lane_cnt_po_r ==1'b0))
po_delay_done <= #TCQ 1'b1;
always @(posedge clk) begin
po_delay_done_r1 <= #TCQ po_delay_done;
po_delay_done_r2 <= #TCQ po_delay_done_r1;
po_delay_done_r3 <= #TCQ po_delay_done_r2;
po_delay_done_r4 <= #TCQ po_delay_done_r3;
end
// logic to select between all PO delays and data path delay.
always @(posedge clk) begin
po_s2_incdec_f <= #TCQ po_stg2_f_incdec;
po_en_s2_f <= #TCQ po_en_stg2_f;
end
// Logic to add 1/4 taps amount of delay to data path for tdqss.
// After all the initial PO delays are decremented the 1/4 delay will
// be added. Coarse delay taps will be added here .
// Delay added only to data path
assign po_ck_addr_cmd_delay_done = (TDQSS_DLY == 0) ? pi_fine_dly_dec_done_r
: delay_done_r4;
always @(posedge clk)
if (rst || ~pi_fine_dly_dec_done_r || delay_done) begin
po_stg2_incdec_c <= #TCQ 1'b1;
po_en_stg2_c <= #TCQ 1'b0;
end else if (delay_cnt_r > 6'd0) begin
po_en_stg2_c <= #TCQ ~po_en_stg2_c;
end
always @(posedge clk)
if (rst || ~pi_fine_dly_dec_done_r || (delay_cnt_r == 6'd0))
delay_cnt_r <= #TCQ TDQSS_DLY;
else if ( po_en_stg2_c && (delay_cnt_r > 6'd0))
delay_cnt_r <= #TCQ delay_cnt_r - 1;
always @(posedge clk)
if (rst)
lane_cnt_dqs_c_r <= #TCQ 'd0;
else if ( po_en_stg2_c && (delay_cnt_r == 6'd1))
lane_cnt_dqs_c_r <= #TCQ lane_cnt_dqs_c_r + 1;
always @(posedge clk)
if (rst || ~pi_fine_dly_dec_done_r)
delay_done <= #TCQ 1'b0;
else if ((delay_cnt_r == 6'd1) && (lane_cnt_dqs_c_r == 1'b0))
delay_done <= #TCQ 1'b1;
always @(posedge clk) begin
delay_done_r1 <= #TCQ delay_done;
delay_done_r2 <= #TCQ delay_done_r1;
delay_done_r3 <= #TCQ delay_done_r2;
delay_done_r4 <= #TCQ delay_done_r3;
end
always @(posedge clk) begin
po_s2_incdec_c <= #TCQ po_stg2_incdec_c;
po_en_s2_c <= #TCQ po_en_stg2_c;
ctl_lane_cnt <= #TCQ lane_cnt_dqs_c_r;
end
endmodule
|
module mig_7series_v2_3_ddr_phy_wrlvl_off_delay #
(
parameter TCQ = 100,
parameter tCK = 3636,
parameter nCK_PER_CLK = 2,
parameter CLK_PERIOD = 4,
parameter PO_INITIAL_DLY= 46,
parameter DQS_CNT_WIDTH = 3,
parameter DQS_WIDTH = 8,
parameter N_CTL_LANES = 3
)
(
input clk,
input rst,
input pi_fine_dly_dec_done,
input cmd_delay_start,
// Control lane being shifted using Phaser_Out fine delay taps
output reg [DQS_CNT_WIDTH:0] ctl_lane_cnt,
// Inc/dec Phaser_Out fine delay line
output reg po_s2_incdec_f,
output reg po_en_s2_f,
// Inc/dec Phaser_Out coarse delay line
output reg po_s2_incdec_c,
output reg po_en_s2_c,
// Completed adjusting delays for dq, dqs for tdqss
output po_ck_addr_cmd_delay_done,
// completed decrementing initialPO delays
output po_dec_done,
output phy_ctl_rdy_dly
);
localparam TAP_LIMIT = 63;
// PO fine delay tap resolution change by frequency. tCK > 2500, need
// twice the amount of taps
// localparam D_DLY_F = (tCK > 2500 ) ? D_DLY * 2 : D_DLY;
// coarse delay tap is added DQ/DQS to meet the TDQSS specification.
localparam TDQSS_DLY = (tCK > 2500 )? 2: 1;
reg delay_done;
reg delay_done_r1;
reg delay_done_r2;
reg delay_done_r3;
reg delay_done_r4;
reg [5:0] po_delay_cnt_r;
reg po_cnt_inc;
reg cmd_delay_start_r1;
reg cmd_delay_start_r2;
reg cmd_delay_start_r3;
reg cmd_delay_start_r4;
reg cmd_delay_start_r5;
reg cmd_delay_start_r6;
reg po_delay_done;
reg po_delay_done_r1;
reg po_delay_done_r2;
reg po_delay_done_r3;
reg po_delay_done_r4;
reg pi_fine_dly_dec_done_r;
reg po_en_stg2_c;
reg po_en_stg2_f;
reg po_stg2_incdec_c;
reg po_stg2_f_incdec;
reg [DQS_CNT_WIDTH:0] lane_cnt_dqs_c_r;
reg [DQS_CNT_WIDTH:0] lane_cnt_po_r;
reg [5:0] delay_cnt_r;
always @(posedge clk) begin
cmd_delay_start_r1 <= #TCQ cmd_delay_start;
cmd_delay_start_r2 <= #TCQ cmd_delay_start_r1;
cmd_delay_start_r3 <= #TCQ cmd_delay_start_r2;
cmd_delay_start_r4 <= #TCQ cmd_delay_start_r3;
cmd_delay_start_r5 <= #TCQ cmd_delay_start_r4;
cmd_delay_start_r6 <= #TCQ cmd_delay_start_r5;
pi_fine_dly_dec_done_r <= #TCQ pi_fine_dly_dec_done;
end
assign phy_ctl_rdy_dly = cmd_delay_start_r6;
// logic for decrementing initial fine delay taps for all PO
// Decrement done for add, ctrl and data phaser outs
assign po_dec_done = (PO_INITIAL_DLY == 0) ? 1 : po_delay_done_r4;
always @(posedge clk)
if (rst || ~cmd_delay_start_r6 || po_delay_done) begin
po_stg2_f_incdec <= #TCQ 1'b0;
po_en_stg2_f <= #TCQ 1'b0;
end else if (po_delay_cnt_r > 6'd0) begin
po_en_stg2_f <= #TCQ ~po_en_stg2_f;
end
always @(posedge clk)
if (rst || ~cmd_delay_start_r6 || (po_delay_cnt_r == 6'd0))
// set all the PO delays to 31. Decrement from 46 to 31.
// Requirement comes from dqs_found logic
po_delay_cnt_r <= #TCQ (PO_INITIAL_DLY - 31);
else if ( po_en_stg2_f && (po_delay_cnt_r > 6'd0))
po_delay_cnt_r <= #TCQ po_delay_cnt_r - 1;
always @(posedge clk)
if (rst)
lane_cnt_po_r <= #TCQ 'd0;
else if ( po_en_stg2_f && (po_delay_cnt_r == 6'd1))
lane_cnt_po_r <= #TCQ lane_cnt_po_r + 1;
always @(posedge clk)
if (rst || ~cmd_delay_start_r6 )
po_delay_done <= #TCQ 1'b0;
else if ((po_delay_cnt_r == 6'd1) && (lane_cnt_po_r ==1'b0))
po_delay_done <= #TCQ 1'b1;
always @(posedge clk) begin
po_delay_done_r1 <= #TCQ po_delay_done;
po_delay_done_r2 <= #TCQ po_delay_done_r1;
po_delay_done_r3 <= #TCQ po_delay_done_r2;
po_delay_done_r4 <= #TCQ po_delay_done_r3;
end
// logic to select between all PO delays and data path delay.
always @(posedge clk) begin
po_s2_incdec_f <= #TCQ po_stg2_f_incdec;
po_en_s2_f <= #TCQ po_en_stg2_f;
end
// Logic to add 1/4 taps amount of delay to data path for tdqss.
// After all the initial PO delays are decremented the 1/4 delay will
// be added. Coarse delay taps will be added here .
// Delay added only to data path
assign po_ck_addr_cmd_delay_done = (TDQSS_DLY == 0) ? pi_fine_dly_dec_done_r
: delay_done_r4;
always @(posedge clk)
if (rst || ~pi_fine_dly_dec_done_r || delay_done) begin
po_stg2_incdec_c <= #TCQ 1'b1;
po_en_stg2_c <= #TCQ 1'b0;
end else if (delay_cnt_r > 6'd0) begin
po_en_stg2_c <= #TCQ ~po_en_stg2_c;
end
always @(posedge clk)
if (rst || ~pi_fine_dly_dec_done_r || (delay_cnt_r == 6'd0))
delay_cnt_r <= #TCQ TDQSS_DLY;
else if ( po_en_stg2_c && (delay_cnt_r > 6'd0))
delay_cnt_r <= #TCQ delay_cnt_r - 1;
always @(posedge clk)
if (rst)
lane_cnt_dqs_c_r <= #TCQ 'd0;
else if ( po_en_stg2_c && (delay_cnt_r == 6'd1))
lane_cnt_dqs_c_r <= #TCQ lane_cnt_dqs_c_r + 1;
always @(posedge clk)
if (rst || ~pi_fine_dly_dec_done_r)
delay_done <= #TCQ 1'b0;
else if ((delay_cnt_r == 6'd1) && (lane_cnt_dqs_c_r == 1'b0))
delay_done <= #TCQ 1'b1;
always @(posedge clk) begin
delay_done_r1 <= #TCQ delay_done;
delay_done_r2 <= #TCQ delay_done_r1;
delay_done_r3 <= #TCQ delay_done_r2;
delay_done_r4 <= #TCQ delay_done_r3;
end
always @(posedge clk) begin
po_s2_incdec_c <= #TCQ po_stg2_incdec_c;
po_en_s2_c <= #TCQ po_en_stg2_c;
ctl_lane_cnt <= #TCQ lane_cnt_dqs_c_r;
end
endmodule
|
module mig_7series_v2_3_ecc_gen
#(
parameter CODE_WIDTH = 72,
parameter ECC_WIDTH = 8,
parameter DATA_WIDTH = 64
)
(
/*AUTOARG*/
// Outputs
h_rows
);
function integer factorial (input integer i);
integer index;
if (i == 1) factorial = 1;
else begin
factorial = 1;
for (index=2; index<=i; index=index+1)
factorial = factorial * index;
end
endfunction // factorial
function integer combos (input integer n, k);
combos = factorial(n)/(factorial(k)*factorial(n-k));
endfunction // combinations
// function next_combo
// Given a combination, return the next combo in lexicographical
// order. Scans from right to left. Assumes the first combination
// is k ones all of the way to the left.
//
// Upon entry, initialize seen0, trig1, and ones. "seen0" means
// that a zero has been observed while scanning from right to left.
// "trig1" means that a one have been observed _after_ seen0 is set.
// "ones" counts the number of ones observed while scanning the input.
//
// If trig1 is one, just copy the input bit to the output and increment
// to the next bit. Otherwise set the the output bit to zero, if the
// input is a one, increment ones. If the input bit is a one and seen0
// is true, dump out the accumulated ones. Set seen0 to the complement
// of the input bit. Note that seen0 is not used subsequent to trig1
// getting set.
function [ECC_WIDTH-1:0] next_combo (input [ECC_WIDTH-1:0] i);
integer index;
integer dump_index;
reg seen0;
reg trig1;
// integer ones;
reg [ECC_WIDTH-1:0] ones;
begin
seen0 = 1'b0;
trig1 = 1'b0;
ones = 0;
for (index=0; index<ECC_WIDTH; index=index+1)
begin
// The "== 1'bx" is so this will converge at time zero.
// XST assumes false, which should be OK.
if ((&i == 1'bx) || trig1) next_combo[index] = i[index];
else begin
next_combo[index] = 1'b0;
ones = ones + i[index];
if (i[index] && seen0) begin
trig1 = 1'b1;
for (dump_index=index-1; dump_index>=0;dump_index=dump_index-1)
if (dump_index>=index-ones) next_combo[dump_index] = 1'b1;
end
seen0 = ~i[index];
end // else: !if(trig1)
end
end // function
endfunction // next_combo
wire [ECC_WIDTH-1:0] ht_matrix [CODE_WIDTH-1:0];
output wire [CODE_WIDTH*ECC_WIDTH-1:0] h_rows;
localparam COMBOS_3 = combos(ECC_WIDTH, 3);
localparam COMBOS_5 = combos(ECC_WIDTH, 5);
genvar n;
genvar s;
generate
for (n=0; n<CODE_WIDTH; n=n+1) begin : ht
if (n == 0)
assign ht_matrix[n] = {{3{1'b1}}, {ECC_WIDTH-3{1'b0}}};
else if (n == COMBOS_3 && n < DATA_WIDTH)
assign ht_matrix[n] = {{5{1'b1}}, {ECC_WIDTH-5{1'b0}}};
else if ((n == COMBOS_3+COMBOS_5) && n < DATA_WIDTH)
assign ht_matrix[n] = {{7{1'b1}}, {ECC_WIDTH-7{1'b0}}};
else if (n == DATA_WIDTH)
assign ht_matrix[n] = {{1{1'b1}}, {ECC_WIDTH-1{1'b0}}};
else assign ht_matrix[n] = next_combo(ht_matrix[n-1]);
for (s=0; s<ECC_WIDTH; s=s+1) begin : h_row
assign h_rows[s*CODE_WIDTH+n] = ht_matrix[n][s];
end
end
endgenerate
endmodule
|
module mig_7series_v2_3_ecc_gen
#(
parameter CODE_WIDTH = 72,
parameter ECC_WIDTH = 8,
parameter DATA_WIDTH = 64
)
(
/*AUTOARG*/
// Outputs
h_rows
);
function integer factorial (input integer i);
integer index;
if (i == 1) factorial = 1;
else begin
factorial = 1;
for (index=2; index<=i; index=index+1)
factorial = factorial * index;
end
endfunction // factorial
function integer combos (input integer n, k);
combos = factorial(n)/(factorial(k)*factorial(n-k));
endfunction // combinations
// function next_combo
// Given a combination, return the next combo in lexicographical
// order. Scans from right to left. Assumes the first combination
// is k ones all of the way to the left.
//
// Upon entry, initialize seen0, trig1, and ones. "seen0" means
// that a zero has been observed while scanning from right to left.
// "trig1" means that a one have been observed _after_ seen0 is set.
// "ones" counts the number of ones observed while scanning the input.
//
// If trig1 is one, just copy the input bit to the output and increment
// to the next bit. Otherwise set the the output bit to zero, if the
// input is a one, increment ones. If the input bit is a one and seen0
// is true, dump out the accumulated ones. Set seen0 to the complement
// of the input bit. Note that seen0 is not used subsequent to trig1
// getting set.
function [ECC_WIDTH-1:0] next_combo (input [ECC_WIDTH-1:0] i);
integer index;
integer dump_index;
reg seen0;
reg trig1;
// integer ones;
reg [ECC_WIDTH-1:0] ones;
begin
seen0 = 1'b0;
trig1 = 1'b0;
ones = 0;
for (index=0; index<ECC_WIDTH; index=index+1)
begin
// The "== 1'bx" is so this will converge at time zero.
// XST assumes false, which should be OK.
if ((&i == 1'bx) || trig1) next_combo[index] = i[index];
else begin
next_combo[index] = 1'b0;
ones = ones + i[index];
if (i[index] && seen0) begin
trig1 = 1'b1;
for (dump_index=index-1; dump_index>=0;dump_index=dump_index-1)
if (dump_index>=index-ones) next_combo[dump_index] = 1'b1;
end
seen0 = ~i[index];
end // else: !if(trig1)
end
end // function
endfunction // next_combo
wire [ECC_WIDTH-1:0] ht_matrix [CODE_WIDTH-1:0];
output wire [CODE_WIDTH*ECC_WIDTH-1:0] h_rows;
localparam COMBOS_3 = combos(ECC_WIDTH, 3);
localparam COMBOS_5 = combos(ECC_WIDTH, 5);
genvar n;
genvar s;
generate
for (n=0; n<CODE_WIDTH; n=n+1) begin : ht
if (n == 0)
assign ht_matrix[n] = {{3{1'b1}}, {ECC_WIDTH-3{1'b0}}};
else if (n == COMBOS_3 && n < DATA_WIDTH)
assign ht_matrix[n] = {{5{1'b1}}, {ECC_WIDTH-5{1'b0}}};
else if ((n == COMBOS_3+COMBOS_5) && n < DATA_WIDTH)
assign ht_matrix[n] = {{7{1'b1}}, {ECC_WIDTH-7{1'b0}}};
else if (n == DATA_WIDTH)
assign ht_matrix[n] = {{1{1'b1}}, {ECC_WIDTH-1{1'b0}}};
else assign ht_matrix[n] = next_combo(ht_matrix[n-1]);
for (s=0; s<ECC_WIDTH; s=s+1) begin : h_row
assign h_rows[s*CODE_WIDTH+n] = ht_matrix[n][s];
end
end
endgenerate
endmodule
|
module mig_7series_v2_3_ecc_gen
#(
parameter CODE_WIDTH = 72,
parameter ECC_WIDTH = 8,
parameter DATA_WIDTH = 64
)
(
/*AUTOARG*/
// Outputs
h_rows
);
function integer factorial (input integer i);
integer index;
if (i == 1) factorial = 1;
else begin
factorial = 1;
for (index=2; index<=i; index=index+1)
factorial = factorial * index;
end
endfunction // factorial
function integer combos (input integer n, k);
combos = factorial(n)/(factorial(k)*factorial(n-k));
endfunction // combinations
// function next_combo
// Given a combination, return the next combo in lexicographical
// order. Scans from right to left. Assumes the first combination
// is k ones all of the way to the left.
//
// Upon entry, initialize seen0, trig1, and ones. "seen0" means
// that a zero has been observed while scanning from right to left.
// "trig1" means that a one have been observed _after_ seen0 is set.
// "ones" counts the number of ones observed while scanning the input.
//
// If trig1 is one, just copy the input bit to the output and increment
// to the next bit. Otherwise set the the output bit to zero, if the
// input is a one, increment ones. If the input bit is a one and seen0
// is true, dump out the accumulated ones. Set seen0 to the complement
// of the input bit. Note that seen0 is not used subsequent to trig1
// getting set.
function [ECC_WIDTH-1:0] next_combo (input [ECC_WIDTH-1:0] i);
integer index;
integer dump_index;
reg seen0;
reg trig1;
// integer ones;
reg [ECC_WIDTH-1:0] ones;
begin
seen0 = 1'b0;
trig1 = 1'b0;
ones = 0;
for (index=0; index<ECC_WIDTH; index=index+1)
begin
// The "== 1'bx" is so this will converge at time zero.
// XST assumes false, which should be OK.
if ((&i == 1'bx) || trig1) next_combo[index] = i[index];
else begin
next_combo[index] = 1'b0;
ones = ones + i[index];
if (i[index] && seen0) begin
trig1 = 1'b1;
for (dump_index=index-1; dump_index>=0;dump_index=dump_index-1)
if (dump_index>=index-ones) next_combo[dump_index] = 1'b1;
end
seen0 = ~i[index];
end // else: !if(trig1)
end
end // function
endfunction // next_combo
wire [ECC_WIDTH-1:0] ht_matrix [CODE_WIDTH-1:0];
output wire [CODE_WIDTH*ECC_WIDTH-1:0] h_rows;
localparam COMBOS_3 = combos(ECC_WIDTH, 3);
localparam COMBOS_5 = combos(ECC_WIDTH, 5);
genvar n;
genvar s;
generate
for (n=0; n<CODE_WIDTH; n=n+1) begin : ht
if (n == 0)
assign ht_matrix[n] = {{3{1'b1}}, {ECC_WIDTH-3{1'b0}}};
else if (n == COMBOS_3 && n < DATA_WIDTH)
assign ht_matrix[n] = {{5{1'b1}}, {ECC_WIDTH-5{1'b0}}};
else if ((n == COMBOS_3+COMBOS_5) && n < DATA_WIDTH)
assign ht_matrix[n] = {{7{1'b1}}, {ECC_WIDTH-7{1'b0}}};
else if (n == DATA_WIDTH)
assign ht_matrix[n] = {{1{1'b1}}, {ECC_WIDTH-1{1'b0}}};
else assign ht_matrix[n] = next_combo(ht_matrix[n-1]);
for (s=0; s<ECC_WIDTH; s=s+1) begin : h_row
assign h_rows[s*CODE_WIDTH+n] = ht_matrix[n][s];
end
end
endgenerate
endmodule
|
module mig_7series_v2_3_ecc_gen
#(
parameter CODE_WIDTH = 72,
parameter ECC_WIDTH = 8,
parameter DATA_WIDTH = 64
)
(
/*AUTOARG*/
// Outputs
h_rows
);
function integer factorial (input integer i);
integer index;
if (i == 1) factorial = 1;
else begin
factorial = 1;
for (index=2; index<=i; index=index+1)
factorial = factorial * index;
end
endfunction // factorial
function integer combos (input integer n, k);
combos = factorial(n)/(factorial(k)*factorial(n-k));
endfunction // combinations
// function next_combo
// Given a combination, return the next combo in lexicographical
// order. Scans from right to left. Assumes the first combination
// is k ones all of the way to the left.
//
// Upon entry, initialize seen0, trig1, and ones. "seen0" means
// that a zero has been observed while scanning from right to left.
// "trig1" means that a one have been observed _after_ seen0 is set.
// "ones" counts the number of ones observed while scanning the input.
//
// If trig1 is one, just copy the input bit to the output and increment
// to the next bit. Otherwise set the the output bit to zero, if the
// input is a one, increment ones. If the input bit is a one and seen0
// is true, dump out the accumulated ones. Set seen0 to the complement
// of the input bit. Note that seen0 is not used subsequent to trig1
// getting set.
function [ECC_WIDTH-1:0] next_combo (input [ECC_WIDTH-1:0] i);
integer index;
integer dump_index;
reg seen0;
reg trig1;
// integer ones;
reg [ECC_WIDTH-1:0] ones;
begin
seen0 = 1'b0;
trig1 = 1'b0;
ones = 0;
for (index=0; index<ECC_WIDTH; index=index+1)
begin
// The "== 1'bx" is so this will converge at time zero.
// XST assumes false, which should be OK.
if ((&i == 1'bx) || trig1) next_combo[index] = i[index];
else begin
next_combo[index] = 1'b0;
ones = ones + i[index];
if (i[index] && seen0) begin
trig1 = 1'b1;
for (dump_index=index-1; dump_index>=0;dump_index=dump_index-1)
if (dump_index>=index-ones) next_combo[dump_index] = 1'b1;
end
seen0 = ~i[index];
end // else: !if(trig1)
end
end // function
endfunction // next_combo
wire [ECC_WIDTH-1:0] ht_matrix [CODE_WIDTH-1:0];
output wire [CODE_WIDTH*ECC_WIDTH-1:0] h_rows;
localparam COMBOS_3 = combos(ECC_WIDTH, 3);
localparam COMBOS_5 = combos(ECC_WIDTH, 5);
genvar n;
genvar s;
generate
for (n=0; n<CODE_WIDTH; n=n+1) begin : ht
if (n == 0)
assign ht_matrix[n] = {{3{1'b1}}, {ECC_WIDTH-3{1'b0}}};
else if (n == COMBOS_3 && n < DATA_WIDTH)
assign ht_matrix[n] = {{5{1'b1}}, {ECC_WIDTH-5{1'b0}}};
else if ((n == COMBOS_3+COMBOS_5) && n < DATA_WIDTH)
assign ht_matrix[n] = {{7{1'b1}}, {ECC_WIDTH-7{1'b0}}};
else if (n == DATA_WIDTH)
assign ht_matrix[n] = {{1{1'b1}}, {ECC_WIDTH-1{1'b0}}};
else assign ht_matrix[n] = next_combo(ht_matrix[n-1]);
for (s=0; s<ECC_WIDTH; s=s+1) begin : h_row
assign h_rows[s*CODE_WIDTH+n] = ht_matrix[n][s];
end
end
endgenerate
endmodule
|
module mig_7series_v2_3_ddr_mc_phy
#(
// five fields, one per possible I/O bank, 4 bits in each field, 1 per lane data=1/ctl=0
parameter BYTE_LANES_B0 = 4'b1111,
parameter BYTE_LANES_B1 = 4'b0000,
parameter BYTE_LANES_B2 = 4'b0000,
parameter BYTE_LANES_B3 = 4'b0000,
parameter BYTE_LANES_B4 = 4'b0000,
parameter DATA_CTL_B0 = 4'hc,
parameter DATA_CTL_B1 = 4'hf,
parameter DATA_CTL_B2 = 4'hf,
parameter DATA_CTL_B3 = 4'hf,
parameter DATA_CTL_B4 = 4'hf,
parameter RCLK_SELECT_BANK = 0,
parameter RCLK_SELECT_LANE = "B",
parameter RCLK_SELECT_EDGE = 4'b1111,
parameter GENERATE_DDR_CK_MAP = "0B",
parameter BYTELANES_DDR_CK = 72'h00_0000_0000_0000_0002,
parameter USE_PRE_POST_FIFO = "TRUE",
parameter SYNTHESIS = "FALSE",
parameter PO_CTL_COARSE_BYPASS = "FALSE",
parameter PI_SEL_CLK_OFFSET = 6,
parameter PHYCTL_CMD_FIFO = "FALSE",
parameter PHY_CLK_RATIO = 4, // phy to controller divide ratio
// common to all i/o banks
parameter PHY_FOUR_WINDOW_CLOCKS = 63,
parameter PHY_EVENTS_DELAY = 18,
parameter PHY_COUNT_EN = "TRUE",
parameter PHY_SYNC_MODE = "TRUE",
parameter PHY_DISABLE_SEQ_MATCH = "FALSE",
parameter MASTER_PHY_CTL = 0,
// common to instance 0
parameter PHY_0_BITLANES = 48'hdffd_fffe_dfff,
parameter PHY_0_BITLANES_OUTONLY = 48'h0000_0000_0000,
parameter PHY_0_LANE_REMAP = 16'h3210,
parameter PHY_0_GENERATE_IDELAYCTRL = "FALSE",
parameter PHY_0_IODELAY_GRP = "IODELAY_MIG",
parameter FPGA_SPEED_GRADE = 1,
parameter BANK_TYPE = "HP_IO", // # = "HP_IO", "HPL_IO", "HR_IO", "HRL_IO"
parameter NUM_DDR_CK = 1,
parameter PHY_0_DATA_CTL = DATA_CTL_B0,
parameter PHY_0_CMD_OFFSET = 0,
parameter PHY_0_RD_CMD_OFFSET_0 = 0,
parameter PHY_0_RD_CMD_OFFSET_1 = 0,
parameter PHY_0_RD_CMD_OFFSET_2 = 0,
parameter PHY_0_RD_CMD_OFFSET_3 = 0,
parameter PHY_0_RD_DURATION_0 = 0,
parameter PHY_0_RD_DURATION_1 = 0,
parameter PHY_0_RD_DURATION_2 = 0,
parameter PHY_0_RD_DURATION_3 = 0,
parameter PHY_0_WR_CMD_OFFSET_0 = 0,
parameter PHY_0_WR_CMD_OFFSET_1 = 0,
parameter PHY_0_WR_CMD_OFFSET_2 = 0,
parameter PHY_0_WR_CMD_OFFSET_3 = 0,
parameter PHY_0_WR_DURATION_0 = 0,
parameter PHY_0_WR_DURATION_1 = 0,
parameter PHY_0_WR_DURATION_2 = 0,
parameter PHY_0_WR_DURATION_3 = 0,
parameter PHY_0_AO_WRLVL_EN = 0,
parameter PHY_0_AO_TOGGLE = 4'b0101, // odd bits are toggle (CKE)
parameter PHY_0_OF_ALMOST_FULL_VALUE = 1,
parameter PHY_0_IF_ALMOST_EMPTY_VALUE = 1,
// per lane parameters
parameter PHY_0_A_PI_FREQ_REF_DIV = "NONE",
parameter PHY_0_A_PI_CLKOUT_DIV = 2,
parameter PHY_0_A_PO_CLKOUT_DIV = 2,
parameter PHY_0_A_BURST_MODE = "TRUE",
parameter PHY_0_A_PI_OUTPUT_CLK_SRC = "DELAYED_REF",
parameter PHY_0_A_PO_OUTPUT_CLK_SRC = "DELAYED_REF",
parameter PHY_0_A_PO_OCLK_DELAY = 25,
parameter PHY_0_B_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_0_C_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_0_D_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_0_A_PO_OCLKDELAY_INV = "FALSE",
parameter PHY_0_A_OF_ARRAY_MODE = "ARRAY_MODE_8_X_4",
parameter PHY_0_B_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_C_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_D_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_A_IF_ARRAY_MODE = "ARRAY_MODE_8_X_4",
parameter PHY_0_B_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_C_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_D_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_A_OSERDES_DATA_RATE = "UNDECLARED",
parameter PHY_0_A_OSERDES_DATA_WIDTH = "UNDECLARED",
parameter PHY_0_B_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_0_B_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_0_C_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_0_C_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_0_D_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_0_D_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_0_A_IDELAYE2_IDELAY_TYPE = "VARIABLE",
parameter PHY_0_A_IDELAYE2_IDELAY_VALUE = 00,
parameter PHY_0_B_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_0_B_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_0_C_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_0_C_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_0_D_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_0_D_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
// common to instance 1
parameter PHY_1_BITLANES = PHY_0_BITLANES,
parameter PHY_1_BITLANES_OUTONLY = 48'h0000_0000_0000,
parameter PHY_1_LANE_REMAP = 16'h3210,
parameter PHY_1_GENERATE_IDELAYCTRL = "FALSE",
parameter PHY_1_IODELAY_GRP = PHY_0_IODELAY_GRP,
parameter PHY_1_DATA_CTL = DATA_CTL_B1,
parameter PHY_1_CMD_OFFSET = PHY_0_CMD_OFFSET,
parameter PHY_1_RD_CMD_OFFSET_0 = PHY_0_RD_CMD_OFFSET_0,
parameter PHY_1_RD_CMD_OFFSET_1 = PHY_0_RD_CMD_OFFSET_1,
parameter PHY_1_RD_CMD_OFFSET_2 = PHY_0_RD_CMD_OFFSET_2,
parameter PHY_1_RD_CMD_OFFSET_3 = PHY_0_RD_CMD_OFFSET_3,
parameter PHY_1_RD_DURATION_0 = PHY_0_RD_DURATION_0,
parameter PHY_1_RD_DURATION_1 = PHY_0_RD_DURATION_1,
parameter PHY_1_RD_DURATION_2 = PHY_0_RD_DURATION_2,
parameter PHY_1_RD_DURATION_3 = PHY_0_RD_DURATION_3,
parameter PHY_1_WR_CMD_OFFSET_0 = PHY_0_WR_CMD_OFFSET_0,
parameter PHY_1_WR_CMD_OFFSET_1 = PHY_0_WR_CMD_OFFSET_1,
parameter PHY_1_WR_CMD_OFFSET_2 = PHY_0_WR_CMD_OFFSET_2,
parameter PHY_1_WR_CMD_OFFSET_3 = PHY_0_WR_CMD_OFFSET_3,
parameter PHY_1_WR_DURATION_0 = PHY_0_WR_DURATION_0,
parameter PHY_1_WR_DURATION_1 = PHY_0_WR_DURATION_1,
parameter PHY_1_WR_DURATION_2 = PHY_0_WR_DURATION_2,
parameter PHY_1_WR_DURATION_3 = PHY_0_WR_DURATION_3,
parameter PHY_1_AO_WRLVL_EN = PHY_0_AO_WRLVL_EN,
parameter PHY_1_AO_TOGGLE = PHY_0_AO_TOGGLE, // odd bits are toggle (CKE)
parameter PHY_1_OF_ALMOST_FULL_VALUE = 1,
parameter PHY_1_IF_ALMOST_EMPTY_VALUE = 1,
// per lane parameters
parameter PHY_1_A_PI_FREQ_REF_DIV = PHY_0_A_PI_FREQ_REF_DIV,
parameter PHY_1_A_PI_CLKOUT_DIV = PHY_0_A_PI_CLKOUT_DIV,
parameter PHY_1_A_PO_CLKOUT_DIV = PHY_0_A_PO_CLKOUT_DIV,
parameter PHY_1_A_BURST_MODE = PHY_0_A_BURST_MODE,
parameter PHY_1_A_PI_OUTPUT_CLK_SRC = PHY_0_A_PI_OUTPUT_CLK_SRC,
parameter PHY_1_A_PO_OUTPUT_CLK_SRC = PHY_0_A_PO_OUTPUT_CLK_SRC ,
parameter PHY_1_A_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_1_B_PO_OCLK_DELAY = PHY_1_A_PO_OCLK_DELAY,
parameter PHY_1_C_PO_OCLK_DELAY = PHY_1_A_PO_OCLK_DELAY,
parameter PHY_1_D_PO_OCLK_DELAY = PHY_1_A_PO_OCLK_DELAY,
parameter PHY_1_A_PO_OCLKDELAY_INV = PHY_0_A_PO_OCLKDELAY_INV,
parameter PHY_1_A_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_A_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_B_IDELAYE2_IDELAY_TYPE = PHY_1_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_B_IDELAYE2_IDELAY_VALUE = PHY_1_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_C_IDELAYE2_IDELAY_TYPE = PHY_1_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_C_IDELAYE2_IDELAY_VALUE = PHY_1_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_D_IDELAYE2_IDELAY_TYPE = PHY_1_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_D_IDELAYE2_IDELAY_VALUE = PHY_1_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_A_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_B_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_C_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_D_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_A_IF_ARRAY_MODE = PHY_0_A_IF_ARRAY_MODE,
parameter PHY_1_B_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_C_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_D_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_A_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_A_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_1_B_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_B_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_1_C_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_C_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_1_D_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_D_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
// common to instance 2
parameter PHY_2_BITLANES = PHY_0_BITLANES,
parameter PHY_2_BITLANES_OUTONLY = 48'h0000_0000_0000,
parameter PHY_2_LANE_REMAP = 16'h3210,
parameter PHY_2_GENERATE_IDELAYCTRL = "FALSE",
parameter PHY_2_IODELAY_GRP = PHY_0_IODELAY_GRP,
parameter PHY_2_DATA_CTL = DATA_CTL_B2,
parameter PHY_2_CMD_OFFSET = PHY_0_CMD_OFFSET,
parameter PHY_2_RD_CMD_OFFSET_0 = PHY_0_RD_CMD_OFFSET_0,
parameter PHY_2_RD_CMD_OFFSET_1 = PHY_0_RD_CMD_OFFSET_1,
parameter PHY_2_RD_CMD_OFFSET_2 = PHY_0_RD_CMD_OFFSET_2,
parameter PHY_2_RD_CMD_OFFSET_3 = PHY_0_RD_CMD_OFFSET_3,
parameter PHY_2_RD_DURATION_0 = PHY_0_RD_DURATION_0,
parameter PHY_2_RD_DURATION_1 = PHY_0_RD_DURATION_1,
parameter PHY_2_RD_DURATION_2 = PHY_0_RD_DURATION_2,
parameter PHY_2_RD_DURATION_3 = PHY_0_RD_DURATION_3,
parameter PHY_2_WR_CMD_OFFSET_0 = PHY_0_WR_CMD_OFFSET_0,
parameter PHY_2_WR_CMD_OFFSET_1 = PHY_0_WR_CMD_OFFSET_1,
parameter PHY_2_WR_CMD_OFFSET_2 = PHY_0_WR_CMD_OFFSET_2,
parameter PHY_2_WR_CMD_OFFSET_3 = PHY_0_WR_CMD_OFFSET_3,
parameter PHY_2_WR_DURATION_0 = PHY_0_WR_DURATION_0,
parameter PHY_2_WR_DURATION_1 = PHY_0_WR_DURATION_1,
parameter PHY_2_WR_DURATION_2 = PHY_0_WR_DURATION_2,
parameter PHY_2_WR_DURATION_3 = PHY_0_WR_DURATION_3,
parameter PHY_2_AO_WRLVL_EN = PHY_0_AO_WRLVL_EN,
parameter PHY_2_AO_TOGGLE = PHY_0_AO_TOGGLE, // odd bits are toggle (CKE)
parameter PHY_2_OF_ALMOST_FULL_VALUE = 1,
parameter PHY_2_IF_ALMOST_EMPTY_VALUE = 1,
// per lane parameters
parameter PHY_2_A_PI_FREQ_REF_DIV = PHY_0_A_PI_FREQ_REF_DIV,
parameter PHY_2_A_PI_CLKOUT_DIV = PHY_0_A_PI_CLKOUT_DIV ,
parameter PHY_2_A_PO_CLKOUT_DIV = PHY_0_A_PO_CLKOUT_DIV,
parameter PHY_2_A_BURST_MODE = PHY_0_A_BURST_MODE ,
parameter PHY_2_A_PI_OUTPUT_CLK_SRC = PHY_0_A_PI_OUTPUT_CLK_SRC,
parameter PHY_2_A_PO_OUTPUT_CLK_SRC = PHY_0_A_PO_OUTPUT_CLK_SRC,
parameter PHY_2_A_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_B_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_C_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_D_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_A_IF_ARRAY_MODE = PHY_0_A_IF_ARRAY_MODE,
parameter PHY_2_B_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_C_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_D_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_A_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_2_B_PO_OCLK_DELAY = PHY_2_A_PO_OCLK_DELAY,
parameter PHY_2_C_PO_OCLK_DELAY = PHY_2_A_PO_OCLK_DELAY,
parameter PHY_2_D_PO_OCLK_DELAY = PHY_2_A_PO_OCLK_DELAY,
parameter PHY_2_A_PO_OCLKDELAY_INV = PHY_0_A_PO_OCLKDELAY_INV,
parameter PHY_2_A_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_A_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_B_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_B_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_C_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_C_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_D_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_D_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_A_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_A_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_2_B_IDELAYE2_IDELAY_TYPE = PHY_2_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_B_IDELAYE2_IDELAY_VALUE = PHY_2_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_2_C_IDELAYE2_IDELAY_TYPE = PHY_2_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_C_IDELAYE2_IDELAY_VALUE = PHY_2_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_2_D_IDELAYE2_IDELAY_TYPE = PHY_2_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_D_IDELAYE2_IDELAY_VALUE = PHY_2_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_0_IS_LAST_BANK = ((BYTE_LANES_B1 != 0) || (BYTE_LANES_B2 != 0) || (BYTE_LANES_B3 != 0) || (BYTE_LANES_B4 != 0)) ? "FALSE" : "TRUE",
parameter PHY_1_IS_LAST_BANK = ((BYTE_LANES_B1 != 0) && ((BYTE_LANES_B2 != 0) || (BYTE_LANES_B3 != 0) || (BYTE_LANES_B4 != 0))) ? "FALSE" : ((PHY_0_IS_LAST_BANK) ? "FALSE" : "TRUE"),
parameter PHY_2_IS_LAST_BANK = (BYTE_LANES_B2 != 0) && ((BYTE_LANES_B3 != 0) || (BYTE_LANES_B4 != 0)) ? "FALSE" : ((PHY_0_IS_LAST_BANK || PHY_1_IS_LAST_BANK) ? "FALSE" : "TRUE"),
parameter TCK = 2500,
// local computational use, do not pass down
parameter N_LANES = (0+BYTE_LANES_B0[0]) + (0+BYTE_LANES_B0[1]) + (0+BYTE_LANES_B0[2]) + (0+BYTE_LANES_B0[3])
+ (0+BYTE_LANES_B1[0]) + (0+BYTE_LANES_B1[1]) + (0+BYTE_LANES_B1[2]) + (0+BYTE_LANES_B1[3]) + (0+BYTE_LANES_B2[0]) + (0+BYTE_LANES_B2[1]) + (0+BYTE_LANES_B2[2]) + (0+BYTE_LANES_B2[3])
, // must not delete comma for syntax
parameter HIGHEST_BANK = (BYTE_LANES_B4 != 0 ? 5 : (BYTE_LANES_B3 != 0 ? 4 : (BYTE_LANES_B2 != 0 ? 3 : (BYTE_LANES_B1 != 0 ? 2 : 1)))),
parameter HIGHEST_LANE_B0 = ((PHY_0_IS_LAST_BANK == "FALSE") ? 4 : BYTE_LANES_B0[3] ? 4 : BYTE_LANES_B0[2] ? 3 : BYTE_LANES_B0[1] ? 2 : BYTE_LANES_B0[0] ? 1 : 0) ,
parameter HIGHEST_LANE_B1 = (HIGHEST_BANK > 2) ? 4 : ( BYTE_LANES_B1[3] ? 4 : BYTE_LANES_B1[2] ? 3 : BYTE_LANES_B1[1] ? 2 : BYTE_LANES_B1[0] ? 1 : 0) ,
parameter HIGHEST_LANE_B2 = (HIGHEST_BANK > 3) ? 4 : ( BYTE_LANES_B2[3] ? 4 : BYTE_LANES_B2[2] ? 3 : BYTE_LANES_B2[1] ? 2 : BYTE_LANES_B2[0] ? 1 : 0) ,
parameter HIGHEST_LANE_B3 = 0,
parameter HIGHEST_LANE_B4 = 0,
parameter HIGHEST_LANE = (HIGHEST_LANE_B4 != 0) ? (HIGHEST_LANE_B4+16) : ((HIGHEST_LANE_B3 != 0) ? (HIGHEST_LANE_B3 + 12) : ((HIGHEST_LANE_B2 != 0) ? (HIGHEST_LANE_B2 + 8) : ((HIGHEST_LANE_B1 != 0) ? (HIGHEST_LANE_B1 + 4) : HIGHEST_LANE_B0))),
parameter LP_DDR_CK_WIDTH = 2,
parameter GENERATE_SIGNAL_SPLIT = "FALSE"
,parameter CKE_ODT_AUX = "FALSE"
)
(
input rst,
input ddr_rst_in_n ,
input phy_clk,
input freq_refclk,
input mem_refclk,
input mem_refclk_div4,
input pll_lock,
input sync_pulse,
input auxout_clk,
input idelayctrl_refclk,
input [HIGHEST_LANE*80-1:0] phy_dout,
input phy_cmd_wr_en,
input phy_data_wr_en,
input phy_rd_en,
input [31:0] phy_ctl_wd,
input [3:0] aux_in_1,
input [3:0] aux_in_2,
input [5:0] data_offset_1,
input [5:0] data_offset_2,
input phy_ctl_wr,
input if_rst,
input if_empty_def,
input cke_in,
input idelay_ce,
input idelay_ld,
input idelay_inc,
input phyGo,
input input_sink,
output if_a_empty,
output if_empty /* synthesis syn_maxfan = 3 */,
output if_empty_or,
output if_empty_and,
output of_ctl_a_full,
output of_data_a_full,
output of_ctl_full,
output of_data_full,
output pre_data_a_full,
output [HIGHEST_LANE*80-1:0] phy_din,
output phy_ctl_a_full,
output wire [3:0] phy_ctl_full,
output [HIGHEST_LANE*12-1:0] mem_dq_out,
output [HIGHEST_LANE*12-1:0] mem_dq_ts,
input [HIGHEST_LANE*10-1:0] mem_dq_in,
output [HIGHEST_LANE-1:0] mem_dqs_out,
output [HIGHEST_LANE-1:0] mem_dqs_ts,
input [HIGHEST_LANE-1:0] mem_dqs_in,
(* IOB = "FORCE" *) output reg [(((HIGHEST_LANE+3)/4)*4)-1:0] aux_out, // to memory, odt , 4 per phy controller
output phy_ctl_ready, // to fabric
output reg rst_out, // to memory
output [(NUM_DDR_CK * LP_DDR_CK_WIDTH)-1:0] ddr_clk,
// output rclk,
output mcGo,
output ref_dll_lock,
// calibration signals
input phy_write_calib,
input phy_read_calib,
input [5:0] calib_sel,
input [HIGHEST_BANK-1:0]calib_zero_inputs, // bit calib_sel[2], one per bank
input [HIGHEST_BANK-1:0]calib_zero_ctrl, // one bit per bank, zero's only control lane calibration inputs
input [HIGHEST_LANE-1:0] calib_zero_lanes, // one bit per lane
input calib_in_common,
input [2:0] po_fine_enable,
input [2:0] po_coarse_enable,
input [2:0] po_fine_inc,
input [2:0] po_coarse_inc,
input po_counter_load_en,
input [2:0] po_sel_fine_oclk_delay,
input [8:0] po_counter_load_val,
input po_counter_read_en,
output reg po_coarse_overflow,
output reg po_fine_overflow,
output reg [8:0] po_counter_read_val,
input [HIGHEST_BANK-1:0] pi_rst_dqs_find,
input pi_fine_enable,
input pi_fine_inc,
input pi_counter_load_en,
input pi_counter_read_en,
input [5:0] pi_counter_load_val,
output reg pi_fine_overflow,
output reg [5:0] pi_counter_read_val,
output reg pi_phase_locked,
output pi_phase_locked_all,
output reg pi_dqs_found,
output pi_dqs_found_all,
output pi_dqs_found_any,
output [HIGHEST_LANE-1:0] pi_phase_locked_lanes,
output [HIGHEST_LANE-1:0] pi_dqs_found_lanes,
output reg pi_dqs_out_of_range,
input [29:0] fine_delay,
input fine_delay_sel
);
wire [7:0] calib_zero_inputs_int ;
wire [HIGHEST_BANK*4-1:0] calib_zero_lanes_int ;
//Added the temporary variable for concadination operation
wire [2:0] calib_sel_byte0 ;
wire [2:0] calib_sel_byte1 ;
wire [2:0] calib_sel_byte2 ;
wire [4:0] po_coarse_overflow_w;
wire [4:0] po_fine_overflow_w;
wire [8:0] po_counter_read_val_w[4:0];
wire [4:0] pi_fine_overflow_w;
wire [5:0] pi_counter_read_val_w[4:0];
wire [4:0] pi_dqs_found_w;
wire [4:0] pi_dqs_found_all_w;
wire [4:0] pi_dqs_found_any_w;
wire [4:0] pi_dqs_out_of_range_w;
wire [4:0] pi_phase_locked_w;
wire [4:0] pi_phase_locked_all_w;
wire [4:0] rclk_w;
wire [HIGHEST_BANK-1:0] phy_ctl_ready_w;
wire [(LP_DDR_CK_WIDTH*24)-1:0] ddr_clk_w [HIGHEST_BANK-1:0];
wire [(((HIGHEST_LANE+3)/4)*4)-1:0] aux_out_;
wire [3:0] if_q0;
wire [3:0] if_q1;
wire [3:0] if_q2;
wire [3:0] if_q3;
wire [3:0] if_q4;
wire [7:0] if_q5;
wire [7:0] if_q6;
wire [3:0] if_q7;
wire [3:0] if_q8;
wire [3:0] if_q9;
wire [31:0] _phy_ctl_wd;
wire [3:0] aux_in_[4:1];
wire [3:0] rst_out_w;
wire freq_refclk_split;
wire mem_refclk_split;
wire mem_refclk_div4_split;
wire sync_pulse_split;
wire phy_clk_split0;
wire phy_ctl_clk_split0;
wire [31:0] phy_ctl_wd_split0;
wire phy_ctl_wr_split0;
wire phy_ctl_clk_split1;
wire phy_clk_split1;
wire [31:0] phy_ctl_wd_split1;
wire phy_ctl_wr_split1;
wire [5:0] phy_data_offset_1_split1;
wire phy_ctl_clk_split2;
wire phy_clk_split2;
wire [31:0] phy_ctl_wd_split2;
wire phy_ctl_wr_split2;
wire [5:0] phy_data_offset_2_split2;
wire [HIGHEST_LANE*80-1:0] phy_dout_split0;
wire phy_cmd_wr_en_split0;
wire phy_data_wr_en_split0;
wire phy_rd_en_split0;
wire [HIGHEST_LANE*80-1:0] phy_dout_split1;
wire phy_cmd_wr_en_split1;
wire phy_data_wr_en_split1;
wire phy_rd_en_split1;
wire [HIGHEST_LANE*80-1:0] phy_dout_split2;
wire phy_cmd_wr_en_split2;
wire phy_data_wr_en_split2;
wire phy_rd_en_split2;
wire phy_ctl_mstr_empty;
wire [HIGHEST_BANK-1:0] phy_ctl_empty;
wire _phy_ctl_a_full_f;
wire _phy_ctl_a_empty_f;
wire _phy_ctl_full_f;
wire _phy_ctl_empty_f;
wire [HIGHEST_BANK-1:0] _phy_ctl_a_full_p;
wire [HIGHEST_BANK-1:0] _phy_ctl_full_p;
wire [HIGHEST_BANK-1:0] of_ctl_a_full_v;
wire [HIGHEST_BANK-1:0] of_ctl_full_v;
wire [HIGHEST_BANK-1:0] of_data_a_full_v;
wire [HIGHEST_BANK-1:0] of_data_full_v;
wire [HIGHEST_BANK-1:0] pre_data_a_full_v;
wire [HIGHEST_BANK-1:0] if_empty_v;
wire [HIGHEST_BANK-1:0] byte_rd_en_v;
wire [HIGHEST_BANK*2-1:0] byte_rd_en_oth_banks;
wire [HIGHEST_BANK-1:0] if_empty_or_v;
wire [HIGHEST_BANK-1:0] if_empty_and_v;
wire [HIGHEST_BANK-1:0] if_a_empty_v;
localparam IF_ARRAY_MODE = "ARRAY_MODE_4_X_4";
localparam IF_SYNCHRONOUS_MODE = "FALSE";
localparam IF_SLOW_WR_CLK = "FALSE";
localparam IF_SLOW_RD_CLK = "FALSE";
localparam PHY_MULTI_REGION = (HIGHEST_BANK > 1) ? "TRUE" : "FALSE";
localparam RCLK_NEG_EDGE = 3'b000;
localparam RCLK_POS_EDGE = 3'b111;
localparam LP_PHY_0_BYTELANES_DDR_CK = BYTELANES_DDR_CK & 24'hFF_FFFF;
localparam LP_PHY_1_BYTELANES_DDR_CK = (BYTELANES_DDR_CK >> 24) & 24'hFF_FFFF;
localparam LP_PHY_2_BYTELANES_DDR_CK = (BYTELANES_DDR_CK >> 48) & 24'hFF_FFFF;
// hi, lo positions for data offset field, MIG doesn't allow defines
localparam PC_DATA_OFFSET_RANGE_HI = 22;
localparam PC_DATA_OFFSET_RANGE_LO = 17;
/* Phaser_In Output source coding table
"PHASE_REF" : 4'b0000;
"DELAYED_MEM_REF" : 4'b0101;
"DELAYED_PHASE_REF" : 4'b0011;
"DELAYED_REF" : 4'b0001;
"FREQ_REF" : 4'b1000;
"MEM_REF" : 4'b0010;
*/
localparam RCLK_PI_OUTPUT_CLK_SRC = "DELAYED_MEM_REF";
localparam DDR_TCK = TCK;
localparam real FREQ_REF_PERIOD = DDR_TCK / (PHY_0_A_PI_FREQ_REF_DIV == "DIV2" ? 2 : 1);
localparam real L_FREQ_REF_PERIOD_NS = FREQ_REF_PERIOD /1000.0;
localparam PO_S3_TAPS = 64 ; // Number of taps per clock cycle in OCLK_DELAYED delay line
localparam PI_S2_TAPS = 128 ; // Number of taps per clock cycle in stage 2 delay line
localparam PO_S2_TAPS = 128 ; // Number of taps per clock cycle in sta
/*
Intrinsic delay of Phaser In Stage 1
@3300ps - 1.939ns - 58.8%
@2500ps - 1.657ns - 66.3%
@1875ps - 1.263ns - 67.4%
@1500ps - 1.021ns - 68.1%
@1250ps - 0.868ns - 69.4%
@1072ps - 0.752ns - 70.1%
@938ps - 0.667ns - 71.1%
*/
// If we use the Delayed Mem_Ref_Clk in the RCLK Phaser_In, then the Stage 1 intrinsic delay is 0.0
// Fraction of a full DDR_TCK period
localparam real PI_STG1_INTRINSIC_DELAY = (RCLK_PI_OUTPUT_CLK_SRC == "DELAYED_MEM_REF") ? 0.0 :
((DDR_TCK < 1005) ? 0.667 :
(DDR_TCK < 1160) ? 0.752 :
(DDR_TCK < 1375) ? 0.868 :
(DDR_TCK < 1685) ? 1.021 :
(DDR_TCK < 2185) ? 1.263 :
(DDR_TCK < 2900) ? 1.657 :
(DDR_TCK < 3100) ? 1.771 : 1.939)*1000;
/*
Intrinsic delay of Phaser In Stage 2
@3300ps - 0.912ns - 27.6% - single tap - 13ps
@3000ps - 0.848ns - 28.3% - single tap - 11ps
@2500ps - 1.264ns - 50.6% - single tap - 19ps
@1875ps - 1.000ns - 53.3% - single tap - 15ps
@1500ps - 0.848ns - 56.5% - single tap - 11ps
@1250ps - 0.736ns - 58.9% - single tap - 9ps
@1072ps - 0.664ns - 61.9% - single tap - 8ps
@938ps - 0.608ns - 64.8% - single tap - 7ps
*/
// Intrinsic delay = (.4218 + .0002freq(MHz))period(ps)
localparam real PI_STG2_INTRINSIC_DELAY = (0.4218*FREQ_REF_PERIOD + 200) + 16.75; // 12ps fudge factor
/*
Intrinsic delay of Phaser Out Stage 2 - coarse bypass = 1
@3300ps - 1.294ns - 39.2%
@2500ps - 1.294ns - 51.8%
@1875ps - 1.030ns - 54.9%
@1500ps - 0.878ns - 58.5%
@1250ps - 0.766ns - 61.3%
@1072ps - 0.694ns - 64.7%
@938ps - 0.638ns - 68.0%
Intrinsic delay of Phaser Out Stage 2 - coarse bypass = 0
@3300ps - 2.084ns - 63.2% - single tap - 20ps
@2500ps - 2.084ns - 81.9% - single tap - 19ps
@1875ps - 1.676ns - 89.4% - single tap - 15ps
@1500ps - 1.444ns - 96.3% - single tap - 11ps
@1250ps - 1.276ns - 102.1% - single tap - 9ps
@1072ps - 1.164ns - 108.6% - single tap - 8ps
@938ps - 1.076ns - 114.7% - single tap - 7ps
*/
// Fraction of a full DDR_TCK period
localparam real PO_STG1_INTRINSIC_DELAY = 0;
localparam real PO_STG2_FINE_INTRINSIC_DELAY = 0.4218*FREQ_REF_PERIOD + 200 + 42; // 42ps fudge factor
localparam real PO_STG2_COARSE_INTRINSIC_DELAY = 0.2256*FREQ_REF_PERIOD + 200 + 29; // 29ps fudge factor
localparam real PO_STG2_INTRINSIC_DELAY = PO_STG2_FINE_INTRINSIC_DELAY +
(PO_CTL_COARSE_BYPASS == "TRUE" ? 30 : PO_STG2_COARSE_INTRINSIC_DELAY);
// When the PO_STG2_INTRINSIC_DELAY is approximately equal to tCK, then the Phaser Out's circular buffer can
// go metastable. The circular buffer must be prevented from getting into a metastable state. To accomplish this,
// a default programmed value must be programmed into the stage 2 delay. This delay is only needed at reset, adjustments
// to the stage 2 delay can be made after reset is removed.
localparam real PO_S2_TAPS_SIZE = 1.0*FREQ_REF_PERIOD / PO_S2_TAPS ; // average delay of taps in stage 2 fine delay line
localparam real PO_CIRC_BUF_META_ZONE = 200.0;
localparam PO_CIRC_BUF_EARLY = (PO_STG2_INTRINSIC_DELAY < DDR_TCK) ? 1'b1 : 1'b0;
localparam real PO_CIRC_BUF_OFFSET = (PO_STG2_INTRINSIC_DELAY < DDR_TCK) ? DDR_TCK - PO_STG2_INTRINSIC_DELAY : PO_STG2_INTRINSIC_DELAY - DDR_TCK;
// If the stage 2 intrinsic delay is less than the clock period, then see if it is less than the threshold
// If it is not more than the threshold than we must push the delay after the clock period plus a guardband.
//A change in PO_CIRC_BUF_DELAY value will affect the localparam TAP_DEC value(=PO_CIRC_BUF_DELAY - 31) in ddr_phy_ck_addr_cmd_delay.v. Update TAP_DEC value when PO_CIRC_BUF_DELAY is updated.
localparam integer PO_CIRC_BUF_DELAY = 60;
//localparam integer PO_CIRC_BUF_DELAY = PO_CIRC_BUF_EARLY ? (PO_CIRC_BUF_OFFSET > PO_CIRC_BUF_META_ZONE) ? 0 :
// (PO_CIRC_BUF_META_ZONE + PO_CIRC_BUF_OFFSET) / PO_S2_TAPS_SIZE :
// (PO_CIRC_BUF_META_ZONE - PO_CIRC_BUF_OFFSET) / PO_S2_TAPS_SIZE;
localparam real PI_S2_TAPS_SIZE = 1.0*FREQ_REF_PERIOD / PI_S2_TAPS ; // average delay of taps in stage 2 fine delay line
localparam real PI_MAX_STG2_DELAY = (PI_S2_TAPS/2 - 1) * PI_S2_TAPS_SIZE;
localparam real PI_INTRINSIC_DELAY = PI_STG1_INTRINSIC_DELAY + PI_STG2_INTRINSIC_DELAY;
localparam real PO_INTRINSIC_DELAY = PO_STG1_INTRINSIC_DELAY + PO_STG2_INTRINSIC_DELAY;
localparam real PO_DELAY = PO_INTRINSIC_DELAY + (PO_CIRC_BUF_DELAY*PO_S2_TAPS_SIZE);
localparam RCLK_BUFIO_DELAY = 1200; // estimate of clock insertion delay of rclk through BUFIO to ioi
// The PI_OFFSET is the difference between the Phaser Out delay path and the intrinsic delay path
// of the Phaser_In that drives the rclk. The objective is to align either the rising edges of the
// oserdes_oclk and the rclk or to align the rising to falling edges depending on which adjustment
// is within the range of the stage 2 delay line in the Phaser_In.
localparam integer RCLK_DELAY_INT= (PI_INTRINSIC_DELAY + RCLK_BUFIO_DELAY);
localparam integer PO_DELAY_INT = PO_DELAY;
localparam PI_OFFSET = (PO_DELAY_INT % DDR_TCK) - (RCLK_DELAY_INT % DDR_TCK);
// if pi_offset >= 0 align to oclk posedge by delaying pi path to where oclk is
// if pi_offset < 0 align to oclk negedge by delaying pi path the additional distance to next oclk edge.
// note that in this case PI_OFFSET is negative so invert before subtracting.
localparam real PI_STG2_DELAY_CAND = PI_OFFSET >= 0
? PI_OFFSET
: ((-PI_OFFSET) < DDR_TCK/2) ?
(DDR_TCK/2 - (- PI_OFFSET)) :
(DDR_TCK - (- PI_OFFSET)) ;
localparam real PI_STG2_DELAY =
(PI_STG2_DELAY_CAND > PI_MAX_STG2_DELAY ?
PI_MAX_STG2_DELAY : PI_STG2_DELAY_CAND);
localparam integer DEFAULT_RCLK_DELAY = PI_STG2_DELAY / PI_S2_TAPS_SIZE;
localparam LP_RCLK_SELECT_EDGE = (RCLK_SELECT_EDGE != 4'b1111 ) ? RCLK_SELECT_EDGE : (PI_OFFSET >= 0 ? RCLK_POS_EDGE : (PI_OFFSET <= TCK/2 ? RCLK_NEG_EDGE : RCLK_POS_EDGE));
localparam integer L_PHY_0_PO_FINE_DELAY = PO_CIRC_BUF_DELAY ;
localparam integer L_PHY_1_PO_FINE_DELAY = PO_CIRC_BUF_DELAY ;
localparam integer L_PHY_2_PO_FINE_DELAY = PO_CIRC_BUF_DELAY ;
localparam L_PHY_0_A_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[0]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_B_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[1]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_C_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[2]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_D_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[3]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_A_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[0]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_B_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[1]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_C_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[2]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_D_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[3]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_A_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[0]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_B_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[1]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_C_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[2]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_D_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[3]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_A_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "A") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_0_B_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "B") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_0_C_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "C") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_0_D_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "D") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_A_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "A") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_B_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "B") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_C_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "C") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_D_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "D") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_A_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "A") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_B_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "B") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_C_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "C") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_D_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "D") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
wire _phy_clk;
wire [2:0] mcGo_w;
wire [HIGHEST_BANK-1:0] ref_dll_lock_w;
reg [15:0] mcGo_r;
assign ref_dll_lock = & ref_dll_lock_w;
initial begin
if ( SYNTHESIS == "FALSE" ) begin
$display("%m : BYTE_LANES_B0 = %x BYTE_LANES_B1 = %x DATA_CTL_B0 = %x DATA_CTL_B1 = %x", BYTE_LANES_B0, BYTE_LANES_B1, DATA_CTL_B0, DATA_CTL_B1);
$display("%m : HIGHEST_LANE = %d HIGHEST_LANE_B0 = %d HIGHEST_LANE_B1 = %d", HIGHEST_LANE, HIGHEST_LANE_B0, HIGHEST_LANE_B1);
$display("%m : HIGHEST_BANK = %d", HIGHEST_BANK);
$display("%m : FREQ_REF_PERIOD = %0.2f ", FREQ_REF_PERIOD);
$display("%m : DDR_TCK = %0d ", DDR_TCK);
$display("%m : PO_S2_TAPS_SIZE = %0.2f ", PO_S2_TAPS_SIZE);
$display("%m : PO_CIRC_BUF_EARLY = %0d ", PO_CIRC_BUF_EARLY);
$display("%m : PO_CIRC_BUF_OFFSET = %0.2f ", PO_CIRC_BUF_OFFSET);
$display("%m : PO_CIRC_BUF_META_ZONE = %0.2f ", PO_CIRC_BUF_META_ZONE);
$display("%m : PO_STG2_FINE_INTR_DLY = %0.2f ", PO_STG2_FINE_INTRINSIC_DELAY);
$display("%m : PO_STG2_COARSE_INTR_DLY = %0.2f ", PO_STG2_COARSE_INTRINSIC_DELAY);
$display("%m : PO_STG2_INTRINSIC_DELAY = %0.2f ", PO_STG2_INTRINSIC_DELAY);
$display("%m : PO_CIRC_BUF_DELAY = %0d ", PO_CIRC_BUF_DELAY);
$display("%m : PO_INTRINSIC_DELAY = %0.2f ", PO_INTRINSIC_DELAY);
$display("%m : PO_DELAY = %0.2f ", PO_DELAY);
$display("%m : PO_OCLK_DELAY = %0d ", PHY_0_A_PO_OCLK_DELAY);
$display("%m : L_PHY_0_PO_FINE_DELAY = %0d ", L_PHY_0_PO_FINE_DELAY);
$display("%m : PI_STG1_INTRINSIC_DELAY = %0.2f ", PI_STG1_INTRINSIC_DELAY);
$display("%m : PI_STG2_INTRINSIC_DELAY = %0.2f ", PI_STG2_INTRINSIC_DELAY);
$display("%m : PI_INTRINSIC_DELAY = %0.2f ", PI_INTRINSIC_DELAY);
$display("%m : PI_MAX_STG2_DELAY = %0.2f ", PI_MAX_STG2_DELAY);
$display("%m : PI_OFFSET = %0.2f ", PI_OFFSET);
if ( PI_OFFSET < 0) $display("%m : a negative PI_OFFSET means that rclk path is longer than oclk path so rclk will be delayed to next oclk edge and the negedge of rclk may be used.");
$display("%m : PI_STG2_DELAY = %0.2f ", PI_STG2_DELAY);
$display("%m :PI_STG2_DELAY_CAND = %0.2f ",PI_STG2_DELAY_CAND);
$display("%m : DEFAULT_RCLK_DELAY = %0d ", DEFAULT_RCLK_DELAY);
$display("%m : RCLK_SELECT_EDGE = %0b ", LP_RCLK_SELECT_EDGE);
end // SYNTHESIS
if ( PI_STG2_DELAY_CAND > PI_MAX_STG2_DELAY) $display("WARNING: %m: The required delay though the phaser_in to internally match the aux_out clock to ddr clock exceeds the maximum allowable delay. The clock edge will occur at the output registers of aux_out %0.2f ps before the ddr clock edge. If aux_out is used for memory inputs, this may violate setup or hold time.", PI_STG2_DELAY_CAND - PI_MAX_STG2_DELAY);
end
assign sync_pulse_split = sync_pulse;
assign mem_refclk_split = mem_refclk;
assign freq_refclk_split = freq_refclk;
assign mem_refclk_div4_split = mem_refclk_div4;
assign phy_ctl_clk_split0 = _phy_clk;
assign phy_ctl_wd_split0 = phy_ctl_wd;
assign phy_ctl_wr_split0 = phy_ctl_wr;
assign phy_clk_split0 = phy_clk;
assign phy_cmd_wr_en_split0 = phy_cmd_wr_en;
assign phy_data_wr_en_split0 = phy_data_wr_en;
assign phy_rd_en_split0 = phy_rd_en;
assign phy_dout_split0 = phy_dout;
assign phy_ctl_clk_split1 = phy_clk;
assign phy_ctl_wd_split1 = phy_ctl_wd;
assign phy_data_offset_1_split1 = data_offset_1;
assign phy_ctl_wr_split1 = phy_ctl_wr;
assign phy_clk_split1 = phy_clk;
assign phy_cmd_wr_en_split1 = phy_cmd_wr_en;
assign phy_data_wr_en_split1 = phy_data_wr_en;
assign phy_rd_en_split1 = phy_rd_en;
assign phy_dout_split1 = phy_dout;
assign phy_ctl_clk_split2 = phy_clk;
assign phy_ctl_wd_split2 = phy_ctl_wd;
assign phy_data_offset_2_split2 = data_offset_2;
assign phy_ctl_wr_split2 = phy_ctl_wr;
assign phy_clk_split2 = phy_clk;
assign phy_cmd_wr_en_split2 = phy_cmd_wr_en;
assign phy_data_wr_en_split2 = phy_data_wr_en;
assign phy_rd_en_split2 = phy_rd_en;
assign phy_dout_split2 = phy_dout;
// these wires are needed to coerce correct synthesis
// the synthesizer did not always see the widths of the
// parameters as 4 bits.
wire [3:0] blb0 = BYTE_LANES_B0;
wire [3:0] blb1 = BYTE_LANES_B1;
wire [3:0] blb2 = BYTE_LANES_B2;
wire [3:0] dcb0 = DATA_CTL_B0;
wire [3:0] dcb1 = DATA_CTL_B1;
wire [3:0] dcb2 = DATA_CTL_B2;
assign pi_dqs_found_all = & (pi_dqs_found_lanes | ~ {blb2, blb1, blb0} | ~ {dcb2, dcb1, dcb0});
assign pi_dqs_found_any = | (pi_dqs_found_lanes & {blb2, blb1, blb0} & {dcb2, dcb1, dcb0});
assign pi_phase_locked_all = & pi_phase_locked_all_w[HIGHEST_BANK-1:0];
assign calib_zero_inputs_int = {3'bxxx, calib_zero_inputs};
//Added to remove concadination in the instantiation
assign calib_sel_byte0 = {calib_zero_inputs_int[0], calib_sel[1:0]} ;
assign calib_sel_byte1 = {calib_zero_inputs_int[1], calib_sel[1:0]} ;
assign calib_sel_byte2 = {calib_zero_inputs_int[2], calib_sel[1:0]} ;
assign calib_zero_lanes_int = calib_zero_lanes;
assign phy_ctl_ready = &phy_ctl_ready_w[HIGHEST_BANK-1:0];
assign phy_ctl_mstr_empty = phy_ctl_empty[MASTER_PHY_CTL];
assign of_ctl_a_full = |of_ctl_a_full_v;
assign of_ctl_full = |of_ctl_full_v;
assign of_data_a_full = |of_data_a_full_v;
assign of_data_full = |of_data_full_v;
assign pre_data_a_full= |pre_data_a_full_v;
// if if_empty_def == 1, empty is asserted only if all are empty;
// this allows the user to detect a skewed fifo depth and self-clear
// if desired. It avoids a reset to clear the flags.
assign if_empty = !if_empty_def ? |if_empty_v : &if_empty_v;
assign if_empty_or = |if_empty_or_v;
assign if_empty_and = &if_empty_and_v;
assign if_a_empty = |if_a_empty_v;
generate
genvar i;
for (i = 0; i != NUM_DDR_CK; i = i + 1) begin : ddr_clk_gen
case ((GENERATE_DDR_CK_MAP >> (16*i)) & 16'hffff)
16'h3041: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i)) & 2'b11;
16'h3042: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i+12)) & 2'b11;
16'h3043: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i+24)) & 2'b11;
16'h3044: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i+36)) & 2'b11;
16'h3141: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i)) & 2'b11;
16'h3142: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i+12)) & 2'b11;
16'h3143: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i+24)) & 2'b11;
16'h3144: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i+36)) & 2'b11;
16'h3241: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i)) & 2'b11;
16'h3242: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i+12)) & 2'b11;
16'h3243: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i+24)) & 2'b11;
16'h3244: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i+36)) & 2'b11;
default : initial $display("ERROR: mc_phy ddr_clk_gen : invalid specification for parameter GENERATE_DDR_CK_MAP , clock index = %d, spec= %x (hex) ", i, (( GENERATE_DDR_CK_MAP >> (16 * i )) & 16'hffff ));
endcase
end
endgenerate
//assign rclk = rclk_w[RCLK_SELECT_BANK];
reg rst_auxout;
reg rst_auxout_r;
reg rst_auxout_rr;
always @(posedge auxout_clk or posedge rst) begin
if ( rst) begin
rst_auxout_r <= #(1) 1'b1;
rst_auxout_rr <= #(1) 1'b1;
end
else begin
rst_auxout_r <= #(1) rst;
rst_auxout_rr <= #(1) rst_auxout_r;
end
end
if ( LP_RCLK_SELECT_EDGE[0]) begin
always @(posedge auxout_clk or posedge rst) begin
if ( rst) begin
rst_auxout <= #(1) 1'b1;
end
else begin
rst_auxout <= #(1) rst_auxout_rr;
end
end
end
else begin
always @(negedge auxout_clk or posedge rst) begin
if ( rst) begin
rst_auxout <= #(1) 1'b1;
end
else begin
rst_auxout <= #(1) rst_auxout_rr;
end
end
end
localparam L_RESET_SELECT_BANK =
(BYTE_LANES_B1 == 0 && BYTE_LANES_B2 == 0 && RCLK_SELECT_BANK) ? 0 : RCLK_SELECT_BANK;
always @(*) begin
rst_out = rst_out_w[L_RESET_SELECT_BANK] & ddr_rst_in_n;
end
always @(posedge phy_clk) begin
if ( rst)
mcGo_r <= #(1) 0;
else
mcGo_r <= #(1) (mcGo_r << 1) | &mcGo_w;
end
assign mcGo = mcGo_r[15];
generate
// this is an optional 1 clock delay to add latency to the phy_control programming path
if (PHYCTL_CMD_FIFO == "TRUE") begin : cmd_fifo_soft
reg [31:0] phy_wd_reg = 0;
reg [3:0] aux_in1_reg = 0;
reg [3:0] aux_in2_reg = 0;
reg sfifo_ready = 0;
assign _phy_ctl_wd = phy_wd_reg;
assign aux_in_[1] = aux_in1_reg;
assign aux_in_[2] = aux_in2_reg;
assign phy_ctl_a_full = |_phy_ctl_a_full_p;
assign phy_ctl_full[0] = |_phy_ctl_full_p;
assign phy_ctl_full[1] = |_phy_ctl_full_p;
assign phy_ctl_full[2] = |_phy_ctl_full_p;
assign phy_ctl_full[3] = |_phy_ctl_full_p;
assign _phy_clk = phy_clk;
always @(posedge phy_clk) begin
phy_wd_reg <= #1 phy_ctl_wd;
aux_in1_reg <= #1 aux_in_1;
aux_in2_reg <= #1 aux_in_2;
sfifo_ready <= #1 phy_ctl_wr;
end
end
else if (PHYCTL_CMD_FIFO == "FALSE") begin
assign _phy_ctl_wd = phy_ctl_wd;
assign aux_in_[1] = aux_in_1;
assign aux_in_[2] = aux_in_2;
assign phy_ctl_a_full = |_phy_ctl_a_full_p;
assign phy_ctl_full[0] = |_phy_ctl_full_p;
assign phy_ctl_full[3:1] = 3'b000;
assign _phy_clk = phy_clk;
end
endgenerate
// instance of four-lane phy
generate
if (HIGHEST_BANK == 3) begin : banks_3
assign byte_rd_en_oth_banks[1:0] = {byte_rd_en_v[1],byte_rd_en_v[2]};
assign byte_rd_en_oth_banks[3:2] = {byte_rd_en_v[0],byte_rd_en_v[2]};
assign byte_rd_en_oth_banks[5:4] = {byte_rd_en_v[0],byte_rd_en_v[1]};
end
else if (HIGHEST_BANK == 2) begin : banks_2
assign byte_rd_en_oth_banks[1:0] = {byte_rd_en_v[1],1'b1};
assign byte_rd_en_oth_banks[3:2] = {byte_rd_en_v[0],1'b1};
end
else begin : banks_1
assign byte_rd_en_oth_banks[1:0] = {1'b1,1'b1};
end
if ( BYTE_LANES_B0 != 0) begin : ddr_phy_4lanes_0
mig_7series_v2_3_ddr_phy_4lanes #
(
.BYTE_LANES (BYTE_LANES_B0), /* four bits, one per lanes */
.DATA_CTL_N (PHY_0_DATA_CTL), /* four bits, one per lane */
.PO_CTL_COARSE_BYPASS (PO_CTL_COARSE_BYPASS),
.PO_FINE_DELAY (L_PHY_0_PO_FINE_DELAY),
.BITLANES (PHY_0_BITLANES),
.BITLANES_OUTONLY (PHY_0_BITLANES_OUTONLY),
.BYTELANES_DDR_CK (LP_PHY_0_BYTELANES_DDR_CK),
.LAST_BANK (PHY_0_IS_LAST_BANK),
.LANE_REMAP (PHY_0_LANE_REMAP),
.OF_ALMOST_FULL_VALUE (PHY_0_OF_ALMOST_FULL_VALUE),
.IF_ALMOST_EMPTY_VALUE (PHY_0_IF_ALMOST_EMPTY_VALUE),
.GENERATE_IDELAYCTRL (PHY_0_GENERATE_IDELAYCTRL),
.IODELAY_GRP (PHY_0_IODELAY_GRP),
.FPGA_SPEED_GRADE (FPGA_SPEED_GRADE),
.BANK_TYPE (BANK_TYPE),
.NUM_DDR_CK (NUM_DDR_CK),
.TCK (TCK),
.RCLK_SELECT_LANE (RCLK_SELECT_LANE),
.USE_PRE_POST_FIFO (USE_PRE_POST_FIFO),
.SYNTHESIS (SYNTHESIS),
.PC_CLK_RATIO (PHY_CLK_RATIO),
.PC_EVENTS_DELAY (PHY_EVENTS_DELAY),
.PC_FOUR_WINDOW_CLOCKS (PHY_FOUR_WINDOW_CLOCKS),
.PC_BURST_MODE (PHY_0_A_BURST_MODE),
.PC_SYNC_MODE (PHY_SYNC_MODE),
.PC_MULTI_REGION (PHY_MULTI_REGION),
.PC_PHY_COUNT_EN (PHY_COUNT_EN),
.PC_DISABLE_SEQ_MATCH (PHY_DISABLE_SEQ_MATCH),
.PC_CMD_OFFSET (PHY_0_CMD_OFFSET),
.PC_RD_CMD_OFFSET_0 (PHY_0_RD_CMD_OFFSET_0),
.PC_RD_CMD_OFFSET_1 (PHY_0_RD_CMD_OFFSET_1),
.PC_RD_CMD_OFFSET_2 (PHY_0_RD_CMD_OFFSET_2),
.PC_RD_CMD_OFFSET_3 (PHY_0_RD_CMD_OFFSET_3),
.PC_RD_DURATION_0 (PHY_0_RD_DURATION_0),
.PC_RD_DURATION_1 (PHY_0_RD_DURATION_1),
.PC_RD_DURATION_2 (PHY_0_RD_DURATION_2),
.PC_RD_DURATION_3 (PHY_0_RD_DURATION_3),
.PC_WR_CMD_OFFSET_0 (PHY_0_WR_CMD_OFFSET_0),
.PC_WR_CMD_OFFSET_1 (PHY_0_WR_CMD_OFFSET_1),
.PC_WR_CMD_OFFSET_2 (PHY_0_WR_CMD_OFFSET_2),
.PC_WR_CMD_OFFSET_3 (PHY_0_WR_CMD_OFFSET_3),
.PC_WR_DURATION_0 (PHY_0_WR_DURATION_0),
.PC_WR_DURATION_1 (PHY_0_WR_DURATION_1),
.PC_WR_DURATION_2 (PHY_0_WR_DURATION_2),
.PC_WR_DURATION_3 (PHY_0_WR_DURATION_3),
.PC_AO_WRLVL_EN (PHY_0_AO_WRLVL_EN),
.PC_AO_TOGGLE (PHY_0_AO_TOGGLE),
.PI_SEL_CLK_OFFSET (PI_SEL_CLK_OFFSET),
.A_PI_FINE_DELAY (L_PHY_0_A_PI_FINE_DELAY),
.B_PI_FINE_DELAY (L_PHY_0_B_PI_FINE_DELAY),
.C_PI_FINE_DELAY (L_PHY_0_C_PI_FINE_DELAY),
.D_PI_FINE_DELAY (L_PHY_0_D_PI_FINE_DELAY),
.A_PI_FREQ_REF_DIV (PHY_0_A_PI_FREQ_REF_DIV),
.A_PI_BURST_MODE (PHY_0_A_BURST_MODE),
.A_PI_OUTPUT_CLK_SRC (L_PHY_0_A_PI_OUTPUT_CLK_SRC),
.B_PI_OUTPUT_CLK_SRC (L_PHY_0_B_PI_OUTPUT_CLK_SRC),
.C_PI_OUTPUT_CLK_SRC (L_PHY_0_C_PI_OUTPUT_CLK_SRC),
.D_PI_OUTPUT_CLK_SRC (L_PHY_0_D_PI_OUTPUT_CLK_SRC),
.A_PO_OUTPUT_CLK_SRC (PHY_0_A_PO_OUTPUT_CLK_SRC),
.A_PO_OCLK_DELAY (PHY_0_A_PO_OCLK_DELAY),
.A_PO_OCLKDELAY_INV (PHY_0_A_PO_OCLKDELAY_INV),
.A_OF_ARRAY_MODE (PHY_0_A_OF_ARRAY_MODE),
.B_OF_ARRAY_MODE (PHY_0_B_OF_ARRAY_MODE),
.C_OF_ARRAY_MODE (PHY_0_C_OF_ARRAY_MODE),
.D_OF_ARRAY_MODE (PHY_0_D_OF_ARRAY_MODE),
.A_IF_ARRAY_MODE (PHY_0_A_IF_ARRAY_MODE),
.B_IF_ARRAY_MODE (PHY_0_B_IF_ARRAY_MODE),
.C_IF_ARRAY_MODE (PHY_0_C_IF_ARRAY_MODE),
.D_IF_ARRAY_MODE (PHY_0_D_IF_ARRAY_MODE),
.A_OS_DATA_RATE (PHY_0_A_OSERDES_DATA_RATE),
.A_OS_DATA_WIDTH (PHY_0_A_OSERDES_DATA_WIDTH),
.B_OS_DATA_RATE (PHY_0_B_OSERDES_DATA_RATE),
.B_OS_DATA_WIDTH (PHY_0_B_OSERDES_DATA_WIDTH),
.C_OS_DATA_RATE (PHY_0_C_OSERDES_DATA_RATE),
.C_OS_DATA_WIDTH (PHY_0_C_OSERDES_DATA_WIDTH),
.D_OS_DATA_RATE (PHY_0_D_OSERDES_DATA_RATE),
.D_OS_DATA_WIDTH (PHY_0_D_OSERDES_DATA_WIDTH),
.A_IDELAYE2_IDELAY_TYPE (PHY_0_A_IDELAYE2_IDELAY_TYPE),
.A_IDELAYE2_IDELAY_VALUE (PHY_0_A_IDELAYE2_IDELAY_VALUE)
,.CKE_ODT_AUX (CKE_ODT_AUX)
)
u_ddr_phy_4lanes
(
.rst (rst),
.phy_clk (phy_clk_split0),
.phy_ctl_clk (phy_ctl_clk_split0),
.phy_ctl_wd (phy_ctl_wd_split0),
.data_offset (phy_ctl_wd_split0[PC_DATA_OFFSET_RANGE_HI : PC_DATA_OFFSET_RANGE_LO]),
.phy_ctl_wr (phy_ctl_wr_split0),
.mem_refclk (mem_refclk_split),
.freq_refclk (freq_refclk_split),
.mem_refclk_div4 (mem_refclk_div4_split),
.sync_pulse (sync_pulse_split),
.phy_dout (phy_dout_split0[HIGHEST_LANE_B0*80-1:0]),
.phy_cmd_wr_en (phy_cmd_wr_en_split0),
.phy_data_wr_en (phy_data_wr_en_split0),
.phy_rd_en (phy_rd_en_split0),
.pll_lock (pll_lock),
.ddr_clk (ddr_clk_w[0]),
.rclk (),
.rst_out (rst_out_w[0]),
.mcGo (mcGo_w[0]),
.ref_dll_lock (ref_dll_lock_w[0]),
.idelayctrl_refclk (idelayctrl_refclk),
.idelay_inc (idelay_inc),
.idelay_ce (idelay_ce),
.idelay_ld (idelay_ld),
.phy_ctl_mstr_empty (phy_ctl_mstr_empty),
.if_rst (if_rst),
.if_empty_def (if_empty_def),
.byte_rd_en_oth_banks (byte_rd_en_oth_banks[1:0]),
.if_a_empty (if_a_empty_v[0]),
.if_empty (if_empty_v[0]),
.byte_rd_en (byte_rd_en_v[0]),
.if_empty_or (if_empty_or_v[0]),
.if_empty_and (if_empty_and_v[0]),
.of_ctl_a_full (of_ctl_a_full_v[0]),
.of_data_a_full (of_data_a_full_v[0]),
.of_ctl_full (of_ctl_full_v[0]),
.of_data_full (of_data_full_v[0]),
.pre_data_a_full (pre_data_a_full_v[0]),
.phy_din (phy_din[HIGHEST_LANE_B0*80-1:0]),
.phy_ctl_a_full (_phy_ctl_a_full_p[0]),
.phy_ctl_full (_phy_ctl_full_p[0]),
.phy_ctl_empty (phy_ctl_empty[0]),
.mem_dq_out (mem_dq_out[HIGHEST_LANE_B0*12-1:0]),
.mem_dq_ts (mem_dq_ts[HIGHEST_LANE_B0*12-1:0]),
.mem_dq_in (mem_dq_in[HIGHEST_LANE_B0*10-1:0]),
.mem_dqs_out (mem_dqs_out[HIGHEST_LANE_B0-1:0]),
.mem_dqs_ts (mem_dqs_ts[HIGHEST_LANE_B0-1:0]),
.mem_dqs_in (mem_dqs_in[HIGHEST_LANE_B0-1:0]),
.aux_out (aux_out_[3:0]),
.phy_ctl_ready (phy_ctl_ready_w[0]),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
// .scan_test_bus_A (scan_test_bus_A),
// .scan_test_bus_B (),
// .scan_test_bus_C (),
// .scan_test_bus_D (),
.phyGo (phyGo),
.input_sink (input_sink),
.calib_sel (calib_sel_byte0),
.calib_zero_ctrl (calib_zero_ctrl[0]),
.calib_zero_lanes (calib_zero_lanes_int[3:0]),
.calib_in_common (calib_in_common),
.po_coarse_enable (po_coarse_enable[0]),
.po_fine_enable (po_fine_enable[0]),
.po_fine_inc (po_fine_inc[0]),
.po_coarse_inc (po_coarse_inc[0]),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay[0]),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (po_coarse_overflow_w[0]),
.po_fine_overflow (po_fine_overflow_w[0]),
.po_counter_read_val (po_counter_read_val_w[0]),
.pi_rst_dqs_find (pi_rst_dqs_find[0]),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (pi_fine_overflow_w[0]),
.pi_counter_read_val (pi_counter_read_val_w[0]),
.pi_dqs_found (pi_dqs_found_w[0]),
.pi_dqs_found_all (pi_dqs_found_all_w[0]),
.pi_dqs_found_any (pi_dqs_found_any_w[0]),
.pi_phase_locked_lanes (pi_phase_locked_lanes[HIGHEST_LANE_B0-1:0]),
.pi_dqs_found_lanes (pi_dqs_found_lanes[HIGHEST_LANE_B0-1:0]),
.pi_dqs_out_of_range (pi_dqs_out_of_range_w[0]),
.pi_phase_locked (pi_phase_locked_w[0]),
.pi_phase_locked_all (pi_phase_locked_all_w[0]),
.fine_delay (fine_delay),
.fine_delay_sel (fine_delay_sel)
);
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[0] <= #100 0;
aux_out[2] <= #100 0;
end
else begin
aux_out[0] <= #100 aux_out_[0];
aux_out[2] <= #100 aux_out_[2];
end
end
if ( LP_RCLK_SELECT_EDGE[0]) begin
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[1] <= #100 0;
aux_out[3] <= #100 0;
end
else begin
aux_out[1] <= #100 aux_out_[1];
aux_out[3] <= #100 aux_out_[3];
end
end
end
else begin
always @(negedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[1] <= #100 0;
aux_out[3] <= #100 0;
end
else begin
aux_out[1] <= #100 aux_out_[1];
aux_out[3] <= #100 aux_out_[3];
end
end
end
end
else begin
if ( HIGHEST_BANK > 0) begin
assign phy_din[HIGHEST_LANE_B0*80-1:0] = 0;
assign _phy_ctl_a_full_p[0] = 0;
assign of_ctl_a_full_v[0] = 0;
assign of_ctl_full_v[0] = 0;
assign of_data_a_full_v[0] = 0;
assign of_data_full_v[0] = 0;
assign pre_data_a_full_v[0] = 0;
assign if_empty_v[0] = 0;
assign byte_rd_en_v[0] = 1;
always @(*)
aux_out[3:0] = 0;
end
assign pi_dqs_found_w[0] = 1;
assign pi_dqs_found_all_w[0] = 1;
assign pi_dqs_found_any_w[0] = 0;
assign pi_phase_locked_lanes[HIGHEST_LANE_B0-1:0] = 4'b1111;
assign pi_dqs_found_lanes[HIGHEST_LANE_B0-1:0] = 4'b1111;
assign pi_dqs_out_of_range_w[0] = 0;
assign pi_phase_locked_w[0] = 1;
assign po_fine_overflow_w[0] = 0;
assign po_coarse_overflow_w[0] = 0;
assign po_fine_overflow_w[0] = 0;
assign pi_fine_overflow_w[0] = 0;
assign po_counter_read_val_w[0] = 0;
assign pi_counter_read_val_w[0] = 0;
assign mcGo_w[0] = 1;
if ( RCLK_SELECT_BANK == 0)
always @(*)
aux_out[3:0] = 0;
end
if ( BYTE_LANES_B1 != 0) begin : ddr_phy_4lanes_1
mig_7series_v2_3_ddr_phy_4lanes #
(
.BYTE_LANES (BYTE_LANES_B1), /* four bits, one per lanes */
.DATA_CTL_N (PHY_1_DATA_CTL), /* four bits, one per lane */
.PO_CTL_COARSE_BYPASS (PO_CTL_COARSE_BYPASS),
.PO_FINE_DELAY (L_PHY_1_PO_FINE_DELAY),
.BITLANES (PHY_1_BITLANES),
.BITLANES_OUTONLY (PHY_1_BITLANES_OUTONLY),
.BYTELANES_DDR_CK (LP_PHY_1_BYTELANES_DDR_CK),
.LAST_BANK (PHY_1_IS_LAST_BANK ),
.LANE_REMAP (PHY_1_LANE_REMAP),
.OF_ALMOST_FULL_VALUE (PHY_1_OF_ALMOST_FULL_VALUE),
.IF_ALMOST_EMPTY_VALUE (PHY_1_IF_ALMOST_EMPTY_VALUE),
.GENERATE_IDELAYCTRL (PHY_1_GENERATE_IDELAYCTRL),
.IODELAY_GRP (PHY_1_IODELAY_GRP),
.BANK_TYPE (BANK_TYPE),
.NUM_DDR_CK (NUM_DDR_CK),
.TCK (TCK),
.RCLK_SELECT_LANE (RCLK_SELECT_LANE),
.USE_PRE_POST_FIFO (USE_PRE_POST_FIFO),
.SYNTHESIS (SYNTHESIS),
.PC_CLK_RATIO (PHY_CLK_RATIO),
.PC_EVENTS_DELAY (PHY_EVENTS_DELAY),
.PC_FOUR_WINDOW_CLOCKS (PHY_FOUR_WINDOW_CLOCKS),
.PC_BURST_MODE (PHY_1_A_BURST_MODE),
.PC_SYNC_MODE (PHY_SYNC_MODE),
.PC_MULTI_REGION (PHY_MULTI_REGION),
.PC_PHY_COUNT_EN (PHY_COUNT_EN),
.PC_DISABLE_SEQ_MATCH (PHY_DISABLE_SEQ_MATCH),
.PC_CMD_OFFSET (PHY_1_CMD_OFFSET),
.PC_RD_CMD_OFFSET_0 (PHY_1_RD_CMD_OFFSET_0),
.PC_RD_CMD_OFFSET_1 (PHY_1_RD_CMD_OFFSET_1),
.PC_RD_CMD_OFFSET_2 (PHY_1_RD_CMD_OFFSET_2),
.PC_RD_CMD_OFFSET_3 (PHY_1_RD_CMD_OFFSET_3),
.PC_RD_DURATION_0 (PHY_1_RD_DURATION_0),
.PC_RD_DURATION_1 (PHY_1_RD_DURATION_1),
.PC_RD_DURATION_2 (PHY_1_RD_DURATION_2),
.PC_RD_DURATION_3 (PHY_1_RD_DURATION_3),
.PC_WR_CMD_OFFSET_0 (PHY_1_WR_CMD_OFFSET_0),
.PC_WR_CMD_OFFSET_1 (PHY_1_WR_CMD_OFFSET_1),
.PC_WR_CMD_OFFSET_2 (PHY_1_WR_CMD_OFFSET_2),
.PC_WR_CMD_OFFSET_3 (PHY_1_WR_CMD_OFFSET_3),
.PC_WR_DURATION_0 (PHY_1_WR_DURATION_0),
.PC_WR_DURATION_1 (PHY_1_WR_DURATION_1),
.PC_WR_DURATION_2 (PHY_1_WR_DURATION_2),
.PC_WR_DURATION_3 (PHY_1_WR_DURATION_3),
.PC_AO_WRLVL_EN (PHY_1_AO_WRLVL_EN),
.PC_AO_TOGGLE (PHY_1_AO_TOGGLE),
.PI_SEL_CLK_OFFSET (PI_SEL_CLK_OFFSET),
.A_PI_FINE_DELAY (L_PHY_1_A_PI_FINE_DELAY),
.B_PI_FINE_DELAY (L_PHY_1_B_PI_FINE_DELAY),
.C_PI_FINE_DELAY (L_PHY_1_C_PI_FINE_DELAY),
.D_PI_FINE_DELAY (L_PHY_1_D_PI_FINE_DELAY),
.A_PI_FREQ_REF_DIV (PHY_1_A_PI_FREQ_REF_DIV),
.A_PI_BURST_MODE (PHY_1_A_BURST_MODE),
.A_PI_OUTPUT_CLK_SRC (L_PHY_1_A_PI_OUTPUT_CLK_SRC),
.B_PI_OUTPUT_CLK_SRC (L_PHY_1_B_PI_OUTPUT_CLK_SRC),
.C_PI_OUTPUT_CLK_SRC (L_PHY_1_C_PI_OUTPUT_CLK_SRC),
.D_PI_OUTPUT_CLK_SRC (L_PHY_1_D_PI_OUTPUT_CLK_SRC),
.A_PO_OUTPUT_CLK_SRC (PHY_1_A_PO_OUTPUT_CLK_SRC),
.A_PO_OCLK_DELAY (PHY_1_A_PO_OCLK_DELAY),
.A_PO_OCLKDELAY_INV (PHY_1_A_PO_OCLKDELAY_INV),
.A_OF_ARRAY_MODE (PHY_1_A_OF_ARRAY_MODE),
.B_OF_ARRAY_MODE (PHY_1_B_OF_ARRAY_MODE),
.C_OF_ARRAY_MODE (PHY_1_C_OF_ARRAY_MODE),
.D_OF_ARRAY_MODE (PHY_1_D_OF_ARRAY_MODE),
.A_IF_ARRAY_MODE (PHY_1_A_IF_ARRAY_MODE),
.B_IF_ARRAY_MODE (PHY_1_B_IF_ARRAY_MODE),
.C_IF_ARRAY_MODE (PHY_1_C_IF_ARRAY_MODE),
.D_IF_ARRAY_MODE (PHY_1_D_IF_ARRAY_MODE),
.A_OS_DATA_RATE (PHY_1_A_OSERDES_DATA_RATE),
.A_OS_DATA_WIDTH (PHY_1_A_OSERDES_DATA_WIDTH),
.B_OS_DATA_RATE (PHY_1_B_OSERDES_DATA_RATE),
.B_OS_DATA_WIDTH (PHY_1_B_OSERDES_DATA_WIDTH),
.C_OS_DATA_RATE (PHY_1_C_OSERDES_DATA_RATE),
.C_OS_DATA_WIDTH (PHY_1_C_OSERDES_DATA_WIDTH),
.D_OS_DATA_RATE (PHY_1_D_OSERDES_DATA_RATE),
.D_OS_DATA_WIDTH (PHY_1_D_OSERDES_DATA_WIDTH),
.A_IDELAYE2_IDELAY_TYPE (PHY_1_A_IDELAYE2_IDELAY_TYPE),
.A_IDELAYE2_IDELAY_VALUE (PHY_1_A_IDELAYE2_IDELAY_VALUE)
,.CKE_ODT_AUX (CKE_ODT_AUX)
)
u_ddr_phy_4lanes
(
.rst (rst),
.phy_clk (phy_clk_split1),
.phy_ctl_clk (phy_ctl_clk_split1),
.phy_ctl_wd (phy_ctl_wd_split1),
.data_offset (phy_data_offset_1_split1),
.phy_ctl_wr (phy_ctl_wr_split1),
.mem_refclk (mem_refclk_split),
.freq_refclk (freq_refclk_split),
.mem_refclk_div4 (mem_refclk_div4_split),
.sync_pulse (sync_pulse_split),
.phy_dout (phy_dout_split1[HIGHEST_LANE_B1*80+320-1:320]),
.phy_cmd_wr_en (phy_cmd_wr_en_split1),
.phy_data_wr_en (phy_data_wr_en_split1),
.phy_rd_en (phy_rd_en_split1),
.pll_lock (pll_lock),
.ddr_clk (ddr_clk_w[1]),
.rclk (),
.rst_out (rst_out_w[1]),
.mcGo (mcGo_w[1]),
.ref_dll_lock (ref_dll_lock_w[1]),
.idelayctrl_refclk (idelayctrl_refclk),
.idelay_inc (idelay_inc),
.idelay_ce (idelay_ce),
.idelay_ld (idelay_ld),
.phy_ctl_mstr_empty (phy_ctl_mstr_empty),
.if_rst (if_rst),
.if_empty_def (if_empty_def),
.byte_rd_en_oth_banks (byte_rd_en_oth_banks[3:2]),
.if_a_empty (if_a_empty_v[1]),
.if_empty (if_empty_v[1]),
.byte_rd_en (byte_rd_en_v[1]),
.if_empty_or (if_empty_or_v[1]),
.if_empty_and (if_empty_and_v[1]),
.of_ctl_a_full (of_ctl_a_full_v[1]),
.of_data_a_full (of_data_a_full_v[1]),
.of_ctl_full (of_ctl_full_v[1]),
.of_data_full (of_data_full_v[1]),
.pre_data_a_full (pre_data_a_full_v[1]),
.phy_din (phy_din[HIGHEST_LANE_B1*80+320-1:320]),
.phy_ctl_a_full (_phy_ctl_a_full_p[1]),
.phy_ctl_full (_phy_ctl_full_p[1]),
.phy_ctl_empty (phy_ctl_empty[1]),
.mem_dq_out (mem_dq_out[HIGHEST_LANE_B1*12+48-1:48]),
.mem_dq_ts (mem_dq_ts[HIGHEST_LANE_B1*12+48-1:48]),
.mem_dq_in (mem_dq_in[HIGHEST_LANE_B1*10+40-1:40]),
.mem_dqs_out (mem_dqs_out[HIGHEST_LANE_B1+4-1:4]),
.mem_dqs_ts (mem_dqs_ts[HIGHEST_LANE_B1+4-1:4]),
.mem_dqs_in (mem_dqs_in[HIGHEST_LANE_B1+4-1:4]),
.aux_out (aux_out_[7:4]),
.phy_ctl_ready (phy_ctl_ready_w[1]),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
// .scan_test_bus_A (scan_test_bus_A),
// .scan_test_bus_B (),
// .scan_test_bus_C (),
// .scan_test_bus_D (),
.phyGo (phyGo),
.input_sink (input_sink),
.calib_sel (calib_sel_byte1),
.calib_zero_ctrl (calib_zero_ctrl[1]),
.calib_zero_lanes (calib_zero_lanes_int[7:4]),
.calib_in_common (calib_in_common),
.po_coarse_enable (po_coarse_enable[1]),
.po_fine_enable (po_fine_enable[1]),
.po_fine_inc (po_fine_inc[1]),
.po_coarse_inc (po_coarse_inc[1]),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay[1]),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (po_coarse_overflow_w[1]),
.po_fine_overflow (po_fine_overflow_w[1]),
.po_counter_read_val (po_counter_read_val_w[1]),
.pi_rst_dqs_find (pi_rst_dqs_find[1]),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (pi_fine_overflow_w[1]),
.pi_counter_read_val (pi_counter_read_val_w[1]),
.pi_dqs_found (pi_dqs_found_w[1]),
.pi_dqs_found_all (pi_dqs_found_all_w[1]),
.pi_dqs_found_any (pi_dqs_found_any_w[1]),
.pi_phase_locked_lanes (pi_phase_locked_lanes[HIGHEST_LANE_B1+4-1:4]),
.pi_dqs_found_lanes (pi_dqs_found_lanes[HIGHEST_LANE_B1+4-1:4]),
.pi_dqs_out_of_range (pi_dqs_out_of_range_w[1]),
.pi_phase_locked (pi_phase_locked_w[1]),
.pi_phase_locked_all (pi_phase_locked_all_w[1]),
.fine_delay (fine_delay),
.fine_delay_sel (fine_delay_sel)
);
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[4] <= #100 0;
aux_out[6] <= #100 0;
end
else begin
aux_out[4] <= #100 aux_out_[4];
aux_out[6] <= #100 aux_out_[6];
end
end
if ( LP_RCLK_SELECT_EDGE[1]) begin
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[5] <= #100 0;
aux_out[7] <= #100 0;
end
else begin
aux_out[5] <= #100 aux_out_[5];
aux_out[7] <= #100 aux_out_[7];
end
end
end
else begin
always @(negedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[5] <= #100 0;
aux_out[7] <= #100 0;
end
else begin
aux_out[5] <= #100 aux_out_[5];
aux_out[7] <= #100 aux_out_[7];
end
end
end
end
else begin
if ( HIGHEST_BANK > 1) begin
assign phy_din[HIGHEST_LANE_B1*80+320-1:320] = 0;
assign _phy_ctl_a_full_p[1] = 0;
assign of_ctl_a_full_v[1] = 0;
assign of_ctl_full_v[1] = 0;
assign of_data_a_full_v[1] = 0;
assign of_data_full_v[1] = 0;
assign pre_data_a_full_v[1] = 0;
assign if_empty_v[1] = 0;
assign byte_rd_en_v[1] = 1;
assign pi_phase_locked_lanes[HIGHEST_LANE_B1+4-1:4] = 4'b1111;
assign pi_dqs_found_lanes[HIGHEST_LANE_B1+4-1:4] = 4'b1111;
always @(*)
aux_out[7:4] = 0;
end
assign pi_dqs_found_w[1] = 1;
assign pi_dqs_found_all_w[1] = 1;
assign pi_dqs_found_any_w[1] = 0;
assign pi_dqs_out_of_range_w[1] = 0;
assign pi_phase_locked_w[1] = 1;
assign po_coarse_overflow_w[1] = 0;
assign po_fine_overflow_w[1] = 0;
assign pi_fine_overflow_w[1] = 0;
assign po_counter_read_val_w[1] = 0;
assign pi_counter_read_val_w[1] = 0;
assign mcGo_w[1] = 1;
end
if ( BYTE_LANES_B2 != 0) begin : ddr_phy_4lanes_2
mig_7series_v2_3_ddr_phy_4lanes #
(
.BYTE_LANES (BYTE_LANES_B2), /* four bits, one per lanes */
.DATA_CTL_N (PHY_2_DATA_CTL), /* four bits, one per lane */
.PO_CTL_COARSE_BYPASS (PO_CTL_COARSE_BYPASS),
.PO_FINE_DELAY (L_PHY_2_PO_FINE_DELAY),
.BITLANES (PHY_2_BITLANES),
.BITLANES_OUTONLY (PHY_2_BITLANES_OUTONLY),
.BYTELANES_DDR_CK (LP_PHY_2_BYTELANES_DDR_CK),
.LAST_BANK (PHY_2_IS_LAST_BANK ),
.LANE_REMAP (PHY_2_LANE_REMAP),
.OF_ALMOST_FULL_VALUE (PHY_2_OF_ALMOST_FULL_VALUE),
.IF_ALMOST_EMPTY_VALUE (PHY_2_IF_ALMOST_EMPTY_VALUE),
.GENERATE_IDELAYCTRL (PHY_2_GENERATE_IDELAYCTRL),
.IODELAY_GRP (PHY_2_IODELAY_GRP),
.BANK_TYPE (BANK_TYPE),
.NUM_DDR_CK (NUM_DDR_CK),
.TCK (TCK),
.RCLK_SELECT_LANE (RCLK_SELECT_LANE),
.USE_PRE_POST_FIFO (USE_PRE_POST_FIFO),
.SYNTHESIS (SYNTHESIS),
.PC_CLK_RATIO (PHY_CLK_RATIO),
.PC_EVENTS_DELAY (PHY_EVENTS_DELAY),
.PC_FOUR_WINDOW_CLOCKS (PHY_FOUR_WINDOW_CLOCKS),
.PC_BURST_MODE (PHY_2_A_BURST_MODE),
.PC_SYNC_MODE (PHY_SYNC_MODE),
.PC_MULTI_REGION (PHY_MULTI_REGION),
.PC_PHY_COUNT_EN (PHY_COUNT_EN),
.PC_DISABLE_SEQ_MATCH (PHY_DISABLE_SEQ_MATCH),
.PC_CMD_OFFSET (PHY_2_CMD_OFFSET),
.PC_RD_CMD_OFFSET_0 (PHY_2_RD_CMD_OFFSET_0),
.PC_RD_CMD_OFFSET_1 (PHY_2_RD_CMD_OFFSET_1),
.PC_RD_CMD_OFFSET_2 (PHY_2_RD_CMD_OFFSET_2),
.PC_RD_CMD_OFFSET_3 (PHY_2_RD_CMD_OFFSET_3),
.PC_RD_DURATION_0 (PHY_2_RD_DURATION_0),
.PC_RD_DURATION_1 (PHY_2_RD_DURATION_1),
.PC_RD_DURATION_2 (PHY_2_RD_DURATION_2),
.PC_RD_DURATION_3 (PHY_2_RD_DURATION_3),
.PC_WR_CMD_OFFSET_0 (PHY_2_WR_CMD_OFFSET_0),
.PC_WR_CMD_OFFSET_1 (PHY_2_WR_CMD_OFFSET_1),
.PC_WR_CMD_OFFSET_2 (PHY_2_WR_CMD_OFFSET_2),
.PC_WR_CMD_OFFSET_3 (PHY_2_WR_CMD_OFFSET_3),
.PC_WR_DURATION_0 (PHY_2_WR_DURATION_0),
.PC_WR_DURATION_1 (PHY_2_WR_DURATION_1),
.PC_WR_DURATION_2 (PHY_2_WR_DURATION_2),
.PC_WR_DURATION_3 (PHY_2_WR_DURATION_3),
.PC_AO_WRLVL_EN (PHY_2_AO_WRLVL_EN),
.PC_AO_TOGGLE (PHY_2_AO_TOGGLE),
.PI_SEL_CLK_OFFSET (PI_SEL_CLK_OFFSET),
.A_PI_FINE_DELAY (L_PHY_2_A_PI_FINE_DELAY),
.B_PI_FINE_DELAY (L_PHY_2_B_PI_FINE_DELAY),
.C_PI_FINE_DELAY (L_PHY_2_C_PI_FINE_DELAY),
.D_PI_FINE_DELAY (L_PHY_2_D_PI_FINE_DELAY),
.A_PI_FREQ_REF_DIV (PHY_2_A_PI_FREQ_REF_DIV),
.A_PI_BURST_MODE (PHY_2_A_BURST_MODE),
.A_PI_OUTPUT_CLK_SRC (L_PHY_2_A_PI_OUTPUT_CLK_SRC),
.B_PI_OUTPUT_CLK_SRC (L_PHY_2_B_PI_OUTPUT_CLK_SRC),
.C_PI_OUTPUT_CLK_SRC (L_PHY_2_C_PI_OUTPUT_CLK_SRC),
.D_PI_OUTPUT_CLK_SRC (L_PHY_2_D_PI_OUTPUT_CLK_SRC),
.A_PO_OUTPUT_CLK_SRC (PHY_2_A_PO_OUTPUT_CLK_SRC),
.A_PO_OCLK_DELAY (PHY_2_A_PO_OCLK_DELAY),
.A_PO_OCLKDELAY_INV (PHY_2_A_PO_OCLKDELAY_INV),
.A_OF_ARRAY_MODE (PHY_2_A_OF_ARRAY_MODE),
.B_OF_ARRAY_MODE (PHY_2_B_OF_ARRAY_MODE),
.C_OF_ARRAY_MODE (PHY_2_C_OF_ARRAY_MODE),
.D_OF_ARRAY_MODE (PHY_2_D_OF_ARRAY_MODE),
.A_IF_ARRAY_MODE (PHY_2_A_IF_ARRAY_MODE),
.B_IF_ARRAY_MODE (PHY_2_B_IF_ARRAY_MODE),
.C_IF_ARRAY_MODE (PHY_2_C_IF_ARRAY_MODE),
.D_IF_ARRAY_MODE (PHY_2_D_IF_ARRAY_MODE),
.A_OS_DATA_RATE (PHY_2_A_OSERDES_DATA_RATE),
.A_OS_DATA_WIDTH (PHY_2_A_OSERDES_DATA_WIDTH),
.B_OS_DATA_RATE (PHY_2_B_OSERDES_DATA_RATE),
.B_OS_DATA_WIDTH (PHY_2_B_OSERDES_DATA_WIDTH),
.C_OS_DATA_RATE (PHY_2_C_OSERDES_DATA_RATE),
.C_OS_DATA_WIDTH (PHY_2_C_OSERDES_DATA_WIDTH),
.D_OS_DATA_RATE (PHY_2_D_OSERDES_DATA_RATE),
.D_OS_DATA_WIDTH (PHY_2_D_OSERDES_DATA_WIDTH),
.A_IDELAYE2_IDELAY_TYPE (PHY_2_A_IDELAYE2_IDELAY_TYPE),
.A_IDELAYE2_IDELAY_VALUE (PHY_2_A_IDELAYE2_IDELAY_VALUE)
,.CKE_ODT_AUX (CKE_ODT_AUX)
)
u_ddr_phy_4lanes
(
.rst (rst),
.phy_clk (phy_clk_split2),
.phy_ctl_clk (phy_ctl_clk_split2),
.phy_ctl_wd (phy_ctl_wd_split2),
.data_offset (phy_data_offset_2_split2),
.phy_ctl_wr (phy_ctl_wr_split2),
.mem_refclk (mem_refclk_split),
.freq_refclk (freq_refclk_split),
.mem_refclk_div4 (mem_refclk_div4_split),
.sync_pulse (sync_pulse_split),
.phy_dout (phy_dout_split2[HIGHEST_LANE_B2*80+640-1:640]),
.phy_cmd_wr_en (phy_cmd_wr_en_split2),
.phy_data_wr_en (phy_data_wr_en_split2),
.phy_rd_en (phy_rd_en_split2),
.pll_lock (pll_lock),
.ddr_clk (ddr_clk_w[2]),
.rclk (),
.rst_out (rst_out_w[2]),
.mcGo (mcGo_w[2]),
.ref_dll_lock (ref_dll_lock_w[2]),
.idelayctrl_refclk (idelayctrl_refclk),
.idelay_inc (idelay_inc),
.idelay_ce (idelay_ce),
.idelay_ld (idelay_ld),
.phy_ctl_mstr_empty (phy_ctl_mstr_empty),
.if_rst (if_rst),
.if_empty_def (if_empty_def),
.byte_rd_en_oth_banks (byte_rd_en_oth_banks[5:4]),
.if_a_empty (if_a_empty_v[2]),
.if_empty (if_empty_v[2]),
.byte_rd_en (byte_rd_en_v[2]),
.if_empty_or (if_empty_or_v[2]),
.if_empty_and (if_empty_and_v[2]),
.of_ctl_a_full (of_ctl_a_full_v[2]),
.of_data_a_full (of_data_a_full_v[2]),
.of_ctl_full (of_ctl_full_v[2]),
.of_data_full (of_data_full_v[2]),
.pre_data_a_full (pre_data_a_full_v[2]),
.phy_din (phy_din[HIGHEST_LANE_B2*80+640-1:640]),
.phy_ctl_a_full (_phy_ctl_a_full_p[2]),
.phy_ctl_full (_phy_ctl_full_p[2]),
.phy_ctl_empty (phy_ctl_empty[2]),
.mem_dq_out (mem_dq_out[HIGHEST_LANE_B2*12+96-1:96]),
.mem_dq_ts (mem_dq_ts[HIGHEST_LANE_B2*12+96-1:96]),
.mem_dq_in (mem_dq_in[HIGHEST_LANE_B2*10+80-1:80]),
.mem_dqs_out (mem_dqs_out[HIGHEST_LANE_B2-1+8:8]),
.mem_dqs_ts (mem_dqs_ts[HIGHEST_LANE_B2-1+8:8]),
.mem_dqs_in (mem_dqs_in[HIGHEST_LANE_B2-1+8:8]),
.aux_out (aux_out_[11:8]),
.phy_ctl_ready (phy_ctl_ready_w[2]),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
// .scan_test_bus_A (scan_test_bus_A),
// .scan_test_bus_B (),
// .scan_test_bus_C (),
// .scan_test_bus_D (),
.phyGo (phyGo),
.input_sink (input_sink),
.calib_sel (calib_sel_byte2),
.calib_zero_ctrl (calib_zero_ctrl[2]),
.calib_zero_lanes (calib_zero_lanes_int[11:8]),
.calib_in_common (calib_in_common),
.po_coarse_enable (po_coarse_enable[2]),
.po_fine_enable (po_fine_enable[2]),
.po_fine_inc (po_fine_inc[2]),
.po_coarse_inc (po_coarse_inc[2]),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay[2]),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (po_coarse_overflow_w[2]),
.po_fine_overflow (po_fine_overflow_w[2]),
.po_counter_read_val (po_counter_read_val_w[2]),
.pi_rst_dqs_find (pi_rst_dqs_find[2]),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (pi_fine_overflow_w[2]),
.pi_counter_read_val (pi_counter_read_val_w[2]),
.pi_dqs_found (pi_dqs_found_w[2]),
.pi_dqs_found_all (pi_dqs_found_all_w[2]),
.pi_dqs_found_any (pi_dqs_found_any_w[2]),
.pi_phase_locked_lanes (pi_phase_locked_lanes[HIGHEST_LANE_B2+8-1:8]),
.pi_dqs_found_lanes (pi_dqs_found_lanes[HIGHEST_LANE_B2+8-1:8]),
.pi_dqs_out_of_range (pi_dqs_out_of_range_w[2]),
.pi_phase_locked (pi_phase_locked_w[2]),
.pi_phase_locked_all (pi_phase_locked_all_w[2]),
.fine_delay (fine_delay),
.fine_delay_sel (fine_delay_sel)
);
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[8] <= #100 0;
aux_out[10] <= #100 0;
end
else begin
aux_out[8] <= #100 aux_out_[8];
aux_out[10] <= #100 aux_out_[10];
end
end
if ( LP_RCLK_SELECT_EDGE[1]) begin
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[9] <= #100 0;
aux_out[11] <= #100 0;
end
else begin
aux_out[9] <= #100 aux_out_[9];
aux_out[11] <= #100 aux_out_[11];
end
end
end
else begin
always @(negedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[9] <= #100 0;
aux_out[11] <= #100 0;
end
else begin
aux_out[9] <= #100 aux_out_[9];
aux_out[11] <= #100 aux_out_[11];
end
end
end
end
else begin
if ( HIGHEST_BANK > 2) begin
assign phy_din[HIGHEST_LANE_B2*80+640-1:640] = 0;
assign _phy_ctl_a_full_p[2] = 0;
assign of_ctl_a_full_v[2] = 0;
assign of_ctl_full_v[2] = 0;
assign of_data_a_full_v[2] = 0;
assign of_data_full_v[2] = 0;
assign pre_data_a_full_v[2] = 0;
assign if_empty_v[2] = 0;
assign byte_rd_en_v[2] = 1;
assign pi_phase_locked_lanes[HIGHEST_LANE_B2+8-1:8] = 4'b1111;
assign pi_dqs_found_lanes[HIGHEST_LANE_B2+8-1:8] = 4'b1111;
always @(*)
aux_out[11:8] = 0;
end
assign pi_dqs_found_w[2] = 1;
assign pi_dqs_found_all_w[2] = 1;
assign pi_dqs_found_any_w[2] = 0;
assign pi_dqs_out_of_range_w[2] = 0;
assign pi_phase_locked_w[2] = 1;
assign po_coarse_overflow_w[2] = 0;
assign po_fine_overflow_w[2] = 0;
assign po_counter_read_val_w[2] = 0;
assign pi_counter_read_val_w[2] = 0;
assign mcGo_w[2] = 1;
end
endgenerate
generate
// for single bank , emit an extra phaser_in to generate rclk
// so that auxout can be placed in another region
// if desired
if ( BYTE_LANES_B1 == 0 && BYTE_LANES_B2 == 0 && RCLK_SELECT_BANK>0)
begin : phaser_in_rclk
localparam L_EXTRA_PI_FINE_DELAY = DEFAULT_RCLK_DELAY;
PHASER_IN_PHY #(
.BURST_MODE ( PHY_0_A_BURST_MODE),
.CLKOUT_DIV ( PHY_0_A_PI_CLKOUT_DIV),
.FREQ_REF_DIV ( PHY_0_A_PI_FREQ_REF_DIV),
.REFCLK_PERIOD ( L_FREQ_REF_PERIOD_NS),
.FINE_DELAY ( L_EXTRA_PI_FINE_DELAY),
.OUTPUT_CLK_SRC ( RCLK_PI_OUTPUT_CLK_SRC)
) phaser_in_rclk (
.DQSFOUND (),
.DQSOUTOFRANGE (),
.FINEOVERFLOW (),
.PHASELOCKED (),
.ISERDESRST (),
.ICLKDIV (),
.ICLK (),
.COUNTERREADVAL (),
.RCLK (),
.WRENABLE (),
.BURSTPENDINGPHY (),
.ENCALIBPHY (),
.FINEENABLE (0),
.FREQREFCLK (freq_refclk),
.MEMREFCLK (mem_refclk),
.RANKSELPHY (0),
.PHASEREFCLK (),
.RSTDQSFIND (0),
.RST (rst),
.FINEINC (),
.COUNTERLOADEN (),
.COUNTERREADEN (),
.COUNTERLOADVAL (),
.SYNCIN (sync_pulse),
.SYSCLK (phy_clk)
);
end
endgenerate
always @(*) begin
case (calib_sel[5:3])
3'b000: begin
po_coarse_overflow = po_coarse_overflow_w[0];
po_fine_overflow = po_fine_overflow_w[0];
po_counter_read_val = po_counter_read_val_w[0];
pi_fine_overflow = pi_fine_overflow_w[0];
pi_counter_read_val = pi_counter_read_val_w[0];
pi_phase_locked = pi_phase_locked_w[0];
if ( calib_in_common)
pi_dqs_found = pi_dqs_found_any;
else
pi_dqs_found = pi_dqs_found_w[0];
pi_dqs_out_of_range = pi_dqs_out_of_range_w[0];
end
3'b001: begin
po_coarse_overflow = po_coarse_overflow_w[1];
po_fine_overflow = po_fine_overflow_w[1];
po_counter_read_val = po_counter_read_val_w[1];
pi_fine_overflow = pi_fine_overflow_w[1];
pi_counter_read_val = pi_counter_read_val_w[1];
pi_phase_locked = pi_phase_locked_w[1];
if ( calib_in_common)
pi_dqs_found = pi_dqs_found_any;
else
pi_dqs_found = pi_dqs_found_w[1];
pi_dqs_out_of_range = pi_dqs_out_of_range_w[1];
end
3'b010: begin
po_coarse_overflow = po_coarse_overflow_w[2];
po_fine_overflow = po_fine_overflow_w[2];
po_counter_read_val = po_counter_read_val_w[2];
pi_fine_overflow = pi_fine_overflow_w[2];
pi_counter_read_val = pi_counter_read_val_w[2];
pi_phase_locked = pi_phase_locked_w[2];
if ( calib_in_common)
pi_dqs_found = pi_dqs_found_any;
else
pi_dqs_found = pi_dqs_found_w[2];
pi_dqs_out_of_range = pi_dqs_out_of_range_w[2];
end
default: begin
po_coarse_overflow = 0;
po_fine_overflow = 0;
po_counter_read_val = 0;
pi_fine_overflow = 0;
pi_counter_read_val = 0;
pi_phase_locked = 0;
pi_dqs_found = 0;
pi_dqs_out_of_range = 0;
end
endcase
end
endmodule
|
module mig_7series_v2_3_ddr_mc_phy
#(
// five fields, one per possible I/O bank, 4 bits in each field, 1 per lane data=1/ctl=0
parameter BYTE_LANES_B0 = 4'b1111,
parameter BYTE_LANES_B1 = 4'b0000,
parameter BYTE_LANES_B2 = 4'b0000,
parameter BYTE_LANES_B3 = 4'b0000,
parameter BYTE_LANES_B4 = 4'b0000,
parameter DATA_CTL_B0 = 4'hc,
parameter DATA_CTL_B1 = 4'hf,
parameter DATA_CTL_B2 = 4'hf,
parameter DATA_CTL_B3 = 4'hf,
parameter DATA_CTL_B4 = 4'hf,
parameter RCLK_SELECT_BANK = 0,
parameter RCLK_SELECT_LANE = "B",
parameter RCLK_SELECT_EDGE = 4'b1111,
parameter GENERATE_DDR_CK_MAP = "0B",
parameter BYTELANES_DDR_CK = 72'h00_0000_0000_0000_0002,
parameter USE_PRE_POST_FIFO = "TRUE",
parameter SYNTHESIS = "FALSE",
parameter PO_CTL_COARSE_BYPASS = "FALSE",
parameter PI_SEL_CLK_OFFSET = 6,
parameter PHYCTL_CMD_FIFO = "FALSE",
parameter PHY_CLK_RATIO = 4, // phy to controller divide ratio
// common to all i/o banks
parameter PHY_FOUR_WINDOW_CLOCKS = 63,
parameter PHY_EVENTS_DELAY = 18,
parameter PHY_COUNT_EN = "TRUE",
parameter PHY_SYNC_MODE = "TRUE",
parameter PHY_DISABLE_SEQ_MATCH = "FALSE",
parameter MASTER_PHY_CTL = 0,
// common to instance 0
parameter PHY_0_BITLANES = 48'hdffd_fffe_dfff,
parameter PHY_0_BITLANES_OUTONLY = 48'h0000_0000_0000,
parameter PHY_0_LANE_REMAP = 16'h3210,
parameter PHY_0_GENERATE_IDELAYCTRL = "FALSE",
parameter PHY_0_IODELAY_GRP = "IODELAY_MIG",
parameter FPGA_SPEED_GRADE = 1,
parameter BANK_TYPE = "HP_IO", // # = "HP_IO", "HPL_IO", "HR_IO", "HRL_IO"
parameter NUM_DDR_CK = 1,
parameter PHY_0_DATA_CTL = DATA_CTL_B0,
parameter PHY_0_CMD_OFFSET = 0,
parameter PHY_0_RD_CMD_OFFSET_0 = 0,
parameter PHY_0_RD_CMD_OFFSET_1 = 0,
parameter PHY_0_RD_CMD_OFFSET_2 = 0,
parameter PHY_0_RD_CMD_OFFSET_3 = 0,
parameter PHY_0_RD_DURATION_0 = 0,
parameter PHY_0_RD_DURATION_1 = 0,
parameter PHY_0_RD_DURATION_2 = 0,
parameter PHY_0_RD_DURATION_3 = 0,
parameter PHY_0_WR_CMD_OFFSET_0 = 0,
parameter PHY_0_WR_CMD_OFFSET_1 = 0,
parameter PHY_0_WR_CMD_OFFSET_2 = 0,
parameter PHY_0_WR_CMD_OFFSET_3 = 0,
parameter PHY_0_WR_DURATION_0 = 0,
parameter PHY_0_WR_DURATION_1 = 0,
parameter PHY_0_WR_DURATION_2 = 0,
parameter PHY_0_WR_DURATION_3 = 0,
parameter PHY_0_AO_WRLVL_EN = 0,
parameter PHY_0_AO_TOGGLE = 4'b0101, // odd bits are toggle (CKE)
parameter PHY_0_OF_ALMOST_FULL_VALUE = 1,
parameter PHY_0_IF_ALMOST_EMPTY_VALUE = 1,
// per lane parameters
parameter PHY_0_A_PI_FREQ_REF_DIV = "NONE",
parameter PHY_0_A_PI_CLKOUT_DIV = 2,
parameter PHY_0_A_PO_CLKOUT_DIV = 2,
parameter PHY_0_A_BURST_MODE = "TRUE",
parameter PHY_0_A_PI_OUTPUT_CLK_SRC = "DELAYED_REF",
parameter PHY_0_A_PO_OUTPUT_CLK_SRC = "DELAYED_REF",
parameter PHY_0_A_PO_OCLK_DELAY = 25,
parameter PHY_0_B_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_0_C_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_0_D_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_0_A_PO_OCLKDELAY_INV = "FALSE",
parameter PHY_0_A_OF_ARRAY_MODE = "ARRAY_MODE_8_X_4",
parameter PHY_0_B_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_C_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_D_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_A_IF_ARRAY_MODE = "ARRAY_MODE_8_X_4",
parameter PHY_0_B_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_C_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_D_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_A_OSERDES_DATA_RATE = "UNDECLARED",
parameter PHY_0_A_OSERDES_DATA_WIDTH = "UNDECLARED",
parameter PHY_0_B_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_0_B_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_0_C_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_0_C_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_0_D_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_0_D_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_0_A_IDELAYE2_IDELAY_TYPE = "VARIABLE",
parameter PHY_0_A_IDELAYE2_IDELAY_VALUE = 00,
parameter PHY_0_B_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_0_B_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_0_C_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_0_C_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_0_D_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_0_D_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
// common to instance 1
parameter PHY_1_BITLANES = PHY_0_BITLANES,
parameter PHY_1_BITLANES_OUTONLY = 48'h0000_0000_0000,
parameter PHY_1_LANE_REMAP = 16'h3210,
parameter PHY_1_GENERATE_IDELAYCTRL = "FALSE",
parameter PHY_1_IODELAY_GRP = PHY_0_IODELAY_GRP,
parameter PHY_1_DATA_CTL = DATA_CTL_B1,
parameter PHY_1_CMD_OFFSET = PHY_0_CMD_OFFSET,
parameter PHY_1_RD_CMD_OFFSET_0 = PHY_0_RD_CMD_OFFSET_0,
parameter PHY_1_RD_CMD_OFFSET_1 = PHY_0_RD_CMD_OFFSET_1,
parameter PHY_1_RD_CMD_OFFSET_2 = PHY_0_RD_CMD_OFFSET_2,
parameter PHY_1_RD_CMD_OFFSET_3 = PHY_0_RD_CMD_OFFSET_3,
parameter PHY_1_RD_DURATION_0 = PHY_0_RD_DURATION_0,
parameter PHY_1_RD_DURATION_1 = PHY_0_RD_DURATION_1,
parameter PHY_1_RD_DURATION_2 = PHY_0_RD_DURATION_2,
parameter PHY_1_RD_DURATION_3 = PHY_0_RD_DURATION_3,
parameter PHY_1_WR_CMD_OFFSET_0 = PHY_0_WR_CMD_OFFSET_0,
parameter PHY_1_WR_CMD_OFFSET_1 = PHY_0_WR_CMD_OFFSET_1,
parameter PHY_1_WR_CMD_OFFSET_2 = PHY_0_WR_CMD_OFFSET_2,
parameter PHY_1_WR_CMD_OFFSET_3 = PHY_0_WR_CMD_OFFSET_3,
parameter PHY_1_WR_DURATION_0 = PHY_0_WR_DURATION_0,
parameter PHY_1_WR_DURATION_1 = PHY_0_WR_DURATION_1,
parameter PHY_1_WR_DURATION_2 = PHY_0_WR_DURATION_2,
parameter PHY_1_WR_DURATION_3 = PHY_0_WR_DURATION_3,
parameter PHY_1_AO_WRLVL_EN = PHY_0_AO_WRLVL_EN,
parameter PHY_1_AO_TOGGLE = PHY_0_AO_TOGGLE, // odd bits are toggle (CKE)
parameter PHY_1_OF_ALMOST_FULL_VALUE = 1,
parameter PHY_1_IF_ALMOST_EMPTY_VALUE = 1,
// per lane parameters
parameter PHY_1_A_PI_FREQ_REF_DIV = PHY_0_A_PI_FREQ_REF_DIV,
parameter PHY_1_A_PI_CLKOUT_DIV = PHY_0_A_PI_CLKOUT_DIV,
parameter PHY_1_A_PO_CLKOUT_DIV = PHY_0_A_PO_CLKOUT_DIV,
parameter PHY_1_A_BURST_MODE = PHY_0_A_BURST_MODE,
parameter PHY_1_A_PI_OUTPUT_CLK_SRC = PHY_0_A_PI_OUTPUT_CLK_SRC,
parameter PHY_1_A_PO_OUTPUT_CLK_SRC = PHY_0_A_PO_OUTPUT_CLK_SRC ,
parameter PHY_1_A_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_1_B_PO_OCLK_DELAY = PHY_1_A_PO_OCLK_DELAY,
parameter PHY_1_C_PO_OCLK_DELAY = PHY_1_A_PO_OCLK_DELAY,
parameter PHY_1_D_PO_OCLK_DELAY = PHY_1_A_PO_OCLK_DELAY,
parameter PHY_1_A_PO_OCLKDELAY_INV = PHY_0_A_PO_OCLKDELAY_INV,
parameter PHY_1_A_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_A_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_B_IDELAYE2_IDELAY_TYPE = PHY_1_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_B_IDELAYE2_IDELAY_VALUE = PHY_1_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_C_IDELAYE2_IDELAY_TYPE = PHY_1_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_C_IDELAYE2_IDELAY_VALUE = PHY_1_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_D_IDELAYE2_IDELAY_TYPE = PHY_1_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_D_IDELAYE2_IDELAY_VALUE = PHY_1_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_A_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_B_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_C_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_D_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_A_IF_ARRAY_MODE = PHY_0_A_IF_ARRAY_MODE,
parameter PHY_1_B_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_C_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_D_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_A_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_A_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_1_B_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_B_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_1_C_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_C_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_1_D_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_D_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
// common to instance 2
parameter PHY_2_BITLANES = PHY_0_BITLANES,
parameter PHY_2_BITLANES_OUTONLY = 48'h0000_0000_0000,
parameter PHY_2_LANE_REMAP = 16'h3210,
parameter PHY_2_GENERATE_IDELAYCTRL = "FALSE",
parameter PHY_2_IODELAY_GRP = PHY_0_IODELAY_GRP,
parameter PHY_2_DATA_CTL = DATA_CTL_B2,
parameter PHY_2_CMD_OFFSET = PHY_0_CMD_OFFSET,
parameter PHY_2_RD_CMD_OFFSET_0 = PHY_0_RD_CMD_OFFSET_0,
parameter PHY_2_RD_CMD_OFFSET_1 = PHY_0_RD_CMD_OFFSET_1,
parameter PHY_2_RD_CMD_OFFSET_2 = PHY_0_RD_CMD_OFFSET_2,
parameter PHY_2_RD_CMD_OFFSET_3 = PHY_0_RD_CMD_OFFSET_3,
parameter PHY_2_RD_DURATION_0 = PHY_0_RD_DURATION_0,
parameter PHY_2_RD_DURATION_1 = PHY_0_RD_DURATION_1,
parameter PHY_2_RD_DURATION_2 = PHY_0_RD_DURATION_2,
parameter PHY_2_RD_DURATION_3 = PHY_0_RD_DURATION_3,
parameter PHY_2_WR_CMD_OFFSET_0 = PHY_0_WR_CMD_OFFSET_0,
parameter PHY_2_WR_CMD_OFFSET_1 = PHY_0_WR_CMD_OFFSET_1,
parameter PHY_2_WR_CMD_OFFSET_2 = PHY_0_WR_CMD_OFFSET_2,
parameter PHY_2_WR_CMD_OFFSET_3 = PHY_0_WR_CMD_OFFSET_3,
parameter PHY_2_WR_DURATION_0 = PHY_0_WR_DURATION_0,
parameter PHY_2_WR_DURATION_1 = PHY_0_WR_DURATION_1,
parameter PHY_2_WR_DURATION_2 = PHY_0_WR_DURATION_2,
parameter PHY_2_WR_DURATION_3 = PHY_0_WR_DURATION_3,
parameter PHY_2_AO_WRLVL_EN = PHY_0_AO_WRLVL_EN,
parameter PHY_2_AO_TOGGLE = PHY_0_AO_TOGGLE, // odd bits are toggle (CKE)
parameter PHY_2_OF_ALMOST_FULL_VALUE = 1,
parameter PHY_2_IF_ALMOST_EMPTY_VALUE = 1,
// per lane parameters
parameter PHY_2_A_PI_FREQ_REF_DIV = PHY_0_A_PI_FREQ_REF_DIV,
parameter PHY_2_A_PI_CLKOUT_DIV = PHY_0_A_PI_CLKOUT_DIV ,
parameter PHY_2_A_PO_CLKOUT_DIV = PHY_0_A_PO_CLKOUT_DIV,
parameter PHY_2_A_BURST_MODE = PHY_0_A_BURST_MODE ,
parameter PHY_2_A_PI_OUTPUT_CLK_SRC = PHY_0_A_PI_OUTPUT_CLK_SRC,
parameter PHY_2_A_PO_OUTPUT_CLK_SRC = PHY_0_A_PO_OUTPUT_CLK_SRC,
parameter PHY_2_A_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_B_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_C_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_D_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_A_IF_ARRAY_MODE = PHY_0_A_IF_ARRAY_MODE,
parameter PHY_2_B_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_C_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_D_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_A_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_2_B_PO_OCLK_DELAY = PHY_2_A_PO_OCLK_DELAY,
parameter PHY_2_C_PO_OCLK_DELAY = PHY_2_A_PO_OCLK_DELAY,
parameter PHY_2_D_PO_OCLK_DELAY = PHY_2_A_PO_OCLK_DELAY,
parameter PHY_2_A_PO_OCLKDELAY_INV = PHY_0_A_PO_OCLKDELAY_INV,
parameter PHY_2_A_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_A_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_B_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_B_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_C_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_C_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_D_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_D_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_A_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_A_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_2_B_IDELAYE2_IDELAY_TYPE = PHY_2_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_B_IDELAYE2_IDELAY_VALUE = PHY_2_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_2_C_IDELAYE2_IDELAY_TYPE = PHY_2_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_C_IDELAYE2_IDELAY_VALUE = PHY_2_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_2_D_IDELAYE2_IDELAY_TYPE = PHY_2_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_D_IDELAYE2_IDELAY_VALUE = PHY_2_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_0_IS_LAST_BANK = ((BYTE_LANES_B1 != 0) || (BYTE_LANES_B2 != 0) || (BYTE_LANES_B3 != 0) || (BYTE_LANES_B4 != 0)) ? "FALSE" : "TRUE",
parameter PHY_1_IS_LAST_BANK = ((BYTE_LANES_B1 != 0) && ((BYTE_LANES_B2 != 0) || (BYTE_LANES_B3 != 0) || (BYTE_LANES_B4 != 0))) ? "FALSE" : ((PHY_0_IS_LAST_BANK) ? "FALSE" : "TRUE"),
parameter PHY_2_IS_LAST_BANK = (BYTE_LANES_B2 != 0) && ((BYTE_LANES_B3 != 0) || (BYTE_LANES_B4 != 0)) ? "FALSE" : ((PHY_0_IS_LAST_BANK || PHY_1_IS_LAST_BANK) ? "FALSE" : "TRUE"),
parameter TCK = 2500,
// local computational use, do not pass down
parameter N_LANES = (0+BYTE_LANES_B0[0]) + (0+BYTE_LANES_B0[1]) + (0+BYTE_LANES_B0[2]) + (0+BYTE_LANES_B0[3])
+ (0+BYTE_LANES_B1[0]) + (0+BYTE_LANES_B1[1]) + (0+BYTE_LANES_B1[2]) + (0+BYTE_LANES_B1[3]) + (0+BYTE_LANES_B2[0]) + (0+BYTE_LANES_B2[1]) + (0+BYTE_LANES_B2[2]) + (0+BYTE_LANES_B2[3])
, // must not delete comma for syntax
parameter HIGHEST_BANK = (BYTE_LANES_B4 != 0 ? 5 : (BYTE_LANES_B3 != 0 ? 4 : (BYTE_LANES_B2 != 0 ? 3 : (BYTE_LANES_B1 != 0 ? 2 : 1)))),
parameter HIGHEST_LANE_B0 = ((PHY_0_IS_LAST_BANK == "FALSE") ? 4 : BYTE_LANES_B0[3] ? 4 : BYTE_LANES_B0[2] ? 3 : BYTE_LANES_B0[1] ? 2 : BYTE_LANES_B0[0] ? 1 : 0) ,
parameter HIGHEST_LANE_B1 = (HIGHEST_BANK > 2) ? 4 : ( BYTE_LANES_B1[3] ? 4 : BYTE_LANES_B1[2] ? 3 : BYTE_LANES_B1[1] ? 2 : BYTE_LANES_B1[0] ? 1 : 0) ,
parameter HIGHEST_LANE_B2 = (HIGHEST_BANK > 3) ? 4 : ( BYTE_LANES_B2[3] ? 4 : BYTE_LANES_B2[2] ? 3 : BYTE_LANES_B2[1] ? 2 : BYTE_LANES_B2[0] ? 1 : 0) ,
parameter HIGHEST_LANE_B3 = 0,
parameter HIGHEST_LANE_B4 = 0,
parameter HIGHEST_LANE = (HIGHEST_LANE_B4 != 0) ? (HIGHEST_LANE_B4+16) : ((HIGHEST_LANE_B3 != 0) ? (HIGHEST_LANE_B3 + 12) : ((HIGHEST_LANE_B2 != 0) ? (HIGHEST_LANE_B2 + 8) : ((HIGHEST_LANE_B1 != 0) ? (HIGHEST_LANE_B1 + 4) : HIGHEST_LANE_B0))),
parameter LP_DDR_CK_WIDTH = 2,
parameter GENERATE_SIGNAL_SPLIT = "FALSE"
,parameter CKE_ODT_AUX = "FALSE"
)
(
input rst,
input ddr_rst_in_n ,
input phy_clk,
input freq_refclk,
input mem_refclk,
input mem_refclk_div4,
input pll_lock,
input sync_pulse,
input auxout_clk,
input idelayctrl_refclk,
input [HIGHEST_LANE*80-1:0] phy_dout,
input phy_cmd_wr_en,
input phy_data_wr_en,
input phy_rd_en,
input [31:0] phy_ctl_wd,
input [3:0] aux_in_1,
input [3:0] aux_in_2,
input [5:0] data_offset_1,
input [5:0] data_offset_2,
input phy_ctl_wr,
input if_rst,
input if_empty_def,
input cke_in,
input idelay_ce,
input idelay_ld,
input idelay_inc,
input phyGo,
input input_sink,
output if_a_empty,
output if_empty /* synthesis syn_maxfan = 3 */,
output if_empty_or,
output if_empty_and,
output of_ctl_a_full,
output of_data_a_full,
output of_ctl_full,
output of_data_full,
output pre_data_a_full,
output [HIGHEST_LANE*80-1:0] phy_din,
output phy_ctl_a_full,
output wire [3:0] phy_ctl_full,
output [HIGHEST_LANE*12-1:0] mem_dq_out,
output [HIGHEST_LANE*12-1:0] mem_dq_ts,
input [HIGHEST_LANE*10-1:0] mem_dq_in,
output [HIGHEST_LANE-1:0] mem_dqs_out,
output [HIGHEST_LANE-1:0] mem_dqs_ts,
input [HIGHEST_LANE-1:0] mem_dqs_in,
(* IOB = "FORCE" *) output reg [(((HIGHEST_LANE+3)/4)*4)-1:0] aux_out, // to memory, odt , 4 per phy controller
output phy_ctl_ready, // to fabric
output reg rst_out, // to memory
output [(NUM_DDR_CK * LP_DDR_CK_WIDTH)-1:0] ddr_clk,
// output rclk,
output mcGo,
output ref_dll_lock,
// calibration signals
input phy_write_calib,
input phy_read_calib,
input [5:0] calib_sel,
input [HIGHEST_BANK-1:0]calib_zero_inputs, // bit calib_sel[2], one per bank
input [HIGHEST_BANK-1:0]calib_zero_ctrl, // one bit per bank, zero's only control lane calibration inputs
input [HIGHEST_LANE-1:0] calib_zero_lanes, // one bit per lane
input calib_in_common,
input [2:0] po_fine_enable,
input [2:0] po_coarse_enable,
input [2:0] po_fine_inc,
input [2:0] po_coarse_inc,
input po_counter_load_en,
input [2:0] po_sel_fine_oclk_delay,
input [8:0] po_counter_load_val,
input po_counter_read_en,
output reg po_coarse_overflow,
output reg po_fine_overflow,
output reg [8:0] po_counter_read_val,
input [HIGHEST_BANK-1:0] pi_rst_dqs_find,
input pi_fine_enable,
input pi_fine_inc,
input pi_counter_load_en,
input pi_counter_read_en,
input [5:0] pi_counter_load_val,
output reg pi_fine_overflow,
output reg [5:0] pi_counter_read_val,
output reg pi_phase_locked,
output pi_phase_locked_all,
output reg pi_dqs_found,
output pi_dqs_found_all,
output pi_dqs_found_any,
output [HIGHEST_LANE-1:0] pi_phase_locked_lanes,
output [HIGHEST_LANE-1:0] pi_dqs_found_lanes,
output reg pi_dqs_out_of_range,
input [29:0] fine_delay,
input fine_delay_sel
);
wire [7:0] calib_zero_inputs_int ;
wire [HIGHEST_BANK*4-1:0] calib_zero_lanes_int ;
//Added the temporary variable for concadination operation
wire [2:0] calib_sel_byte0 ;
wire [2:0] calib_sel_byte1 ;
wire [2:0] calib_sel_byte2 ;
wire [4:0] po_coarse_overflow_w;
wire [4:0] po_fine_overflow_w;
wire [8:0] po_counter_read_val_w[4:0];
wire [4:0] pi_fine_overflow_w;
wire [5:0] pi_counter_read_val_w[4:0];
wire [4:0] pi_dqs_found_w;
wire [4:0] pi_dqs_found_all_w;
wire [4:0] pi_dqs_found_any_w;
wire [4:0] pi_dqs_out_of_range_w;
wire [4:0] pi_phase_locked_w;
wire [4:0] pi_phase_locked_all_w;
wire [4:0] rclk_w;
wire [HIGHEST_BANK-1:0] phy_ctl_ready_w;
wire [(LP_DDR_CK_WIDTH*24)-1:0] ddr_clk_w [HIGHEST_BANK-1:0];
wire [(((HIGHEST_LANE+3)/4)*4)-1:0] aux_out_;
wire [3:0] if_q0;
wire [3:0] if_q1;
wire [3:0] if_q2;
wire [3:0] if_q3;
wire [3:0] if_q4;
wire [7:0] if_q5;
wire [7:0] if_q6;
wire [3:0] if_q7;
wire [3:0] if_q8;
wire [3:0] if_q9;
wire [31:0] _phy_ctl_wd;
wire [3:0] aux_in_[4:1];
wire [3:0] rst_out_w;
wire freq_refclk_split;
wire mem_refclk_split;
wire mem_refclk_div4_split;
wire sync_pulse_split;
wire phy_clk_split0;
wire phy_ctl_clk_split0;
wire [31:0] phy_ctl_wd_split0;
wire phy_ctl_wr_split0;
wire phy_ctl_clk_split1;
wire phy_clk_split1;
wire [31:0] phy_ctl_wd_split1;
wire phy_ctl_wr_split1;
wire [5:0] phy_data_offset_1_split1;
wire phy_ctl_clk_split2;
wire phy_clk_split2;
wire [31:0] phy_ctl_wd_split2;
wire phy_ctl_wr_split2;
wire [5:0] phy_data_offset_2_split2;
wire [HIGHEST_LANE*80-1:0] phy_dout_split0;
wire phy_cmd_wr_en_split0;
wire phy_data_wr_en_split0;
wire phy_rd_en_split0;
wire [HIGHEST_LANE*80-1:0] phy_dout_split1;
wire phy_cmd_wr_en_split1;
wire phy_data_wr_en_split1;
wire phy_rd_en_split1;
wire [HIGHEST_LANE*80-1:0] phy_dout_split2;
wire phy_cmd_wr_en_split2;
wire phy_data_wr_en_split2;
wire phy_rd_en_split2;
wire phy_ctl_mstr_empty;
wire [HIGHEST_BANK-1:0] phy_ctl_empty;
wire _phy_ctl_a_full_f;
wire _phy_ctl_a_empty_f;
wire _phy_ctl_full_f;
wire _phy_ctl_empty_f;
wire [HIGHEST_BANK-1:0] _phy_ctl_a_full_p;
wire [HIGHEST_BANK-1:0] _phy_ctl_full_p;
wire [HIGHEST_BANK-1:0] of_ctl_a_full_v;
wire [HIGHEST_BANK-1:0] of_ctl_full_v;
wire [HIGHEST_BANK-1:0] of_data_a_full_v;
wire [HIGHEST_BANK-1:0] of_data_full_v;
wire [HIGHEST_BANK-1:0] pre_data_a_full_v;
wire [HIGHEST_BANK-1:0] if_empty_v;
wire [HIGHEST_BANK-1:0] byte_rd_en_v;
wire [HIGHEST_BANK*2-1:0] byte_rd_en_oth_banks;
wire [HIGHEST_BANK-1:0] if_empty_or_v;
wire [HIGHEST_BANK-1:0] if_empty_and_v;
wire [HIGHEST_BANK-1:0] if_a_empty_v;
localparam IF_ARRAY_MODE = "ARRAY_MODE_4_X_4";
localparam IF_SYNCHRONOUS_MODE = "FALSE";
localparam IF_SLOW_WR_CLK = "FALSE";
localparam IF_SLOW_RD_CLK = "FALSE";
localparam PHY_MULTI_REGION = (HIGHEST_BANK > 1) ? "TRUE" : "FALSE";
localparam RCLK_NEG_EDGE = 3'b000;
localparam RCLK_POS_EDGE = 3'b111;
localparam LP_PHY_0_BYTELANES_DDR_CK = BYTELANES_DDR_CK & 24'hFF_FFFF;
localparam LP_PHY_1_BYTELANES_DDR_CK = (BYTELANES_DDR_CK >> 24) & 24'hFF_FFFF;
localparam LP_PHY_2_BYTELANES_DDR_CK = (BYTELANES_DDR_CK >> 48) & 24'hFF_FFFF;
// hi, lo positions for data offset field, MIG doesn't allow defines
localparam PC_DATA_OFFSET_RANGE_HI = 22;
localparam PC_DATA_OFFSET_RANGE_LO = 17;
/* Phaser_In Output source coding table
"PHASE_REF" : 4'b0000;
"DELAYED_MEM_REF" : 4'b0101;
"DELAYED_PHASE_REF" : 4'b0011;
"DELAYED_REF" : 4'b0001;
"FREQ_REF" : 4'b1000;
"MEM_REF" : 4'b0010;
*/
localparam RCLK_PI_OUTPUT_CLK_SRC = "DELAYED_MEM_REF";
localparam DDR_TCK = TCK;
localparam real FREQ_REF_PERIOD = DDR_TCK / (PHY_0_A_PI_FREQ_REF_DIV == "DIV2" ? 2 : 1);
localparam real L_FREQ_REF_PERIOD_NS = FREQ_REF_PERIOD /1000.0;
localparam PO_S3_TAPS = 64 ; // Number of taps per clock cycle in OCLK_DELAYED delay line
localparam PI_S2_TAPS = 128 ; // Number of taps per clock cycle in stage 2 delay line
localparam PO_S2_TAPS = 128 ; // Number of taps per clock cycle in sta
/*
Intrinsic delay of Phaser In Stage 1
@3300ps - 1.939ns - 58.8%
@2500ps - 1.657ns - 66.3%
@1875ps - 1.263ns - 67.4%
@1500ps - 1.021ns - 68.1%
@1250ps - 0.868ns - 69.4%
@1072ps - 0.752ns - 70.1%
@938ps - 0.667ns - 71.1%
*/
// If we use the Delayed Mem_Ref_Clk in the RCLK Phaser_In, then the Stage 1 intrinsic delay is 0.0
// Fraction of a full DDR_TCK period
localparam real PI_STG1_INTRINSIC_DELAY = (RCLK_PI_OUTPUT_CLK_SRC == "DELAYED_MEM_REF") ? 0.0 :
((DDR_TCK < 1005) ? 0.667 :
(DDR_TCK < 1160) ? 0.752 :
(DDR_TCK < 1375) ? 0.868 :
(DDR_TCK < 1685) ? 1.021 :
(DDR_TCK < 2185) ? 1.263 :
(DDR_TCK < 2900) ? 1.657 :
(DDR_TCK < 3100) ? 1.771 : 1.939)*1000;
/*
Intrinsic delay of Phaser In Stage 2
@3300ps - 0.912ns - 27.6% - single tap - 13ps
@3000ps - 0.848ns - 28.3% - single tap - 11ps
@2500ps - 1.264ns - 50.6% - single tap - 19ps
@1875ps - 1.000ns - 53.3% - single tap - 15ps
@1500ps - 0.848ns - 56.5% - single tap - 11ps
@1250ps - 0.736ns - 58.9% - single tap - 9ps
@1072ps - 0.664ns - 61.9% - single tap - 8ps
@938ps - 0.608ns - 64.8% - single tap - 7ps
*/
// Intrinsic delay = (.4218 + .0002freq(MHz))period(ps)
localparam real PI_STG2_INTRINSIC_DELAY = (0.4218*FREQ_REF_PERIOD + 200) + 16.75; // 12ps fudge factor
/*
Intrinsic delay of Phaser Out Stage 2 - coarse bypass = 1
@3300ps - 1.294ns - 39.2%
@2500ps - 1.294ns - 51.8%
@1875ps - 1.030ns - 54.9%
@1500ps - 0.878ns - 58.5%
@1250ps - 0.766ns - 61.3%
@1072ps - 0.694ns - 64.7%
@938ps - 0.638ns - 68.0%
Intrinsic delay of Phaser Out Stage 2 - coarse bypass = 0
@3300ps - 2.084ns - 63.2% - single tap - 20ps
@2500ps - 2.084ns - 81.9% - single tap - 19ps
@1875ps - 1.676ns - 89.4% - single tap - 15ps
@1500ps - 1.444ns - 96.3% - single tap - 11ps
@1250ps - 1.276ns - 102.1% - single tap - 9ps
@1072ps - 1.164ns - 108.6% - single tap - 8ps
@938ps - 1.076ns - 114.7% - single tap - 7ps
*/
// Fraction of a full DDR_TCK period
localparam real PO_STG1_INTRINSIC_DELAY = 0;
localparam real PO_STG2_FINE_INTRINSIC_DELAY = 0.4218*FREQ_REF_PERIOD + 200 + 42; // 42ps fudge factor
localparam real PO_STG2_COARSE_INTRINSIC_DELAY = 0.2256*FREQ_REF_PERIOD + 200 + 29; // 29ps fudge factor
localparam real PO_STG2_INTRINSIC_DELAY = PO_STG2_FINE_INTRINSIC_DELAY +
(PO_CTL_COARSE_BYPASS == "TRUE" ? 30 : PO_STG2_COARSE_INTRINSIC_DELAY);
// When the PO_STG2_INTRINSIC_DELAY is approximately equal to tCK, then the Phaser Out's circular buffer can
// go metastable. The circular buffer must be prevented from getting into a metastable state. To accomplish this,
// a default programmed value must be programmed into the stage 2 delay. This delay is only needed at reset, adjustments
// to the stage 2 delay can be made after reset is removed.
localparam real PO_S2_TAPS_SIZE = 1.0*FREQ_REF_PERIOD / PO_S2_TAPS ; // average delay of taps in stage 2 fine delay line
localparam real PO_CIRC_BUF_META_ZONE = 200.0;
localparam PO_CIRC_BUF_EARLY = (PO_STG2_INTRINSIC_DELAY < DDR_TCK) ? 1'b1 : 1'b0;
localparam real PO_CIRC_BUF_OFFSET = (PO_STG2_INTRINSIC_DELAY < DDR_TCK) ? DDR_TCK - PO_STG2_INTRINSIC_DELAY : PO_STG2_INTRINSIC_DELAY - DDR_TCK;
// If the stage 2 intrinsic delay is less than the clock period, then see if it is less than the threshold
// If it is not more than the threshold than we must push the delay after the clock period plus a guardband.
//A change in PO_CIRC_BUF_DELAY value will affect the localparam TAP_DEC value(=PO_CIRC_BUF_DELAY - 31) in ddr_phy_ck_addr_cmd_delay.v. Update TAP_DEC value when PO_CIRC_BUF_DELAY is updated.
localparam integer PO_CIRC_BUF_DELAY = 60;
//localparam integer PO_CIRC_BUF_DELAY = PO_CIRC_BUF_EARLY ? (PO_CIRC_BUF_OFFSET > PO_CIRC_BUF_META_ZONE) ? 0 :
// (PO_CIRC_BUF_META_ZONE + PO_CIRC_BUF_OFFSET) / PO_S2_TAPS_SIZE :
// (PO_CIRC_BUF_META_ZONE - PO_CIRC_BUF_OFFSET) / PO_S2_TAPS_SIZE;
localparam real PI_S2_TAPS_SIZE = 1.0*FREQ_REF_PERIOD / PI_S2_TAPS ; // average delay of taps in stage 2 fine delay line
localparam real PI_MAX_STG2_DELAY = (PI_S2_TAPS/2 - 1) * PI_S2_TAPS_SIZE;
localparam real PI_INTRINSIC_DELAY = PI_STG1_INTRINSIC_DELAY + PI_STG2_INTRINSIC_DELAY;
localparam real PO_INTRINSIC_DELAY = PO_STG1_INTRINSIC_DELAY + PO_STG2_INTRINSIC_DELAY;
localparam real PO_DELAY = PO_INTRINSIC_DELAY + (PO_CIRC_BUF_DELAY*PO_S2_TAPS_SIZE);
localparam RCLK_BUFIO_DELAY = 1200; // estimate of clock insertion delay of rclk through BUFIO to ioi
// The PI_OFFSET is the difference between the Phaser Out delay path and the intrinsic delay path
// of the Phaser_In that drives the rclk. The objective is to align either the rising edges of the
// oserdes_oclk and the rclk or to align the rising to falling edges depending on which adjustment
// is within the range of the stage 2 delay line in the Phaser_In.
localparam integer RCLK_DELAY_INT= (PI_INTRINSIC_DELAY + RCLK_BUFIO_DELAY);
localparam integer PO_DELAY_INT = PO_DELAY;
localparam PI_OFFSET = (PO_DELAY_INT % DDR_TCK) - (RCLK_DELAY_INT % DDR_TCK);
// if pi_offset >= 0 align to oclk posedge by delaying pi path to where oclk is
// if pi_offset < 0 align to oclk negedge by delaying pi path the additional distance to next oclk edge.
// note that in this case PI_OFFSET is negative so invert before subtracting.
localparam real PI_STG2_DELAY_CAND = PI_OFFSET >= 0
? PI_OFFSET
: ((-PI_OFFSET) < DDR_TCK/2) ?
(DDR_TCK/2 - (- PI_OFFSET)) :
(DDR_TCK - (- PI_OFFSET)) ;
localparam real PI_STG2_DELAY =
(PI_STG2_DELAY_CAND > PI_MAX_STG2_DELAY ?
PI_MAX_STG2_DELAY : PI_STG2_DELAY_CAND);
localparam integer DEFAULT_RCLK_DELAY = PI_STG2_DELAY / PI_S2_TAPS_SIZE;
localparam LP_RCLK_SELECT_EDGE = (RCLK_SELECT_EDGE != 4'b1111 ) ? RCLK_SELECT_EDGE : (PI_OFFSET >= 0 ? RCLK_POS_EDGE : (PI_OFFSET <= TCK/2 ? RCLK_NEG_EDGE : RCLK_POS_EDGE));
localparam integer L_PHY_0_PO_FINE_DELAY = PO_CIRC_BUF_DELAY ;
localparam integer L_PHY_1_PO_FINE_DELAY = PO_CIRC_BUF_DELAY ;
localparam integer L_PHY_2_PO_FINE_DELAY = PO_CIRC_BUF_DELAY ;
localparam L_PHY_0_A_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[0]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_B_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[1]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_C_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[2]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_D_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[3]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_A_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[0]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_B_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[1]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_C_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[2]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_D_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[3]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_A_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[0]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_B_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[1]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_C_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[2]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_D_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[3]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_A_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "A") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_0_B_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "B") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_0_C_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "C") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_0_D_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "D") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_A_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "A") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_B_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "B") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_C_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "C") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_D_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "D") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_A_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "A") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_B_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "B") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_C_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "C") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_D_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "D") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
wire _phy_clk;
wire [2:0] mcGo_w;
wire [HIGHEST_BANK-1:0] ref_dll_lock_w;
reg [15:0] mcGo_r;
assign ref_dll_lock = & ref_dll_lock_w;
initial begin
if ( SYNTHESIS == "FALSE" ) begin
$display("%m : BYTE_LANES_B0 = %x BYTE_LANES_B1 = %x DATA_CTL_B0 = %x DATA_CTL_B1 = %x", BYTE_LANES_B0, BYTE_LANES_B1, DATA_CTL_B0, DATA_CTL_B1);
$display("%m : HIGHEST_LANE = %d HIGHEST_LANE_B0 = %d HIGHEST_LANE_B1 = %d", HIGHEST_LANE, HIGHEST_LANE_B0, HIGHEST_LANE_B1);
$display("%m : HIGHEST_BANK = %d", HIGHEST_BANK);
$display("%m : FREQ_REF_PERIOD = %0.2f ", FREQ_REF_PERIOD);
$display("%m : DDR_TCK = %0d ", DDR_TCK);
$display("%m : PO_S2_TAPS_SIZE = %0.2f ", PO_S2_TAPS_SIZE);
$display("%m : PO_CIRC_BUF_EARLY = %0d ", PO_CIRC_BUF_EARLY);
$display("%m : PO_CIRC_BUF_OFFSET = %0.2f ", PO_CIRC_BUF_OFFSET);
$display("%m : PO_CIRC_BUF_META_ZONE = %0.2f ", PO_CIRC_BUF_META_ZONE);
$display("%m : PO_STG2_FINE_INTR_DLY = %0.2f ", PO_STG2_FINE_INTRINSIC_DELAY);
$display("%m : PO_STG2_COARSE_INTR_DLY = %0.2f ", PO_STG2_COARSE_INTRINSIC_DELAY);
$display("%m : PO_STG2_INTRINSIC_DELAY = %0.2f ", PO_STG2_INTRINSIC_DELAY);
$display("%m : PO_CIRC_BUF_DELAY = %0d ", PO_CIRC_BUF_DELAY);
$display("%m : PO_INTRINSIC_DELAY = %0.2f ", PO_INTRINSIC_DELAY);
$display("%m : PO_DELAY = %0.2f ", PO_DELAY);
$display("%m : PO_OCLK_DELAY = %0d ", PHY_0_A_PO_OCLK_DELAY);
$display("%m : L_PHY_0_PO_FINE_DELAY = %0d ", L_PHY_0_PO_FINE_DELAY);
$display("%m : PI_STG1_INTRINSIC_DELAY = %0.2f ", PI_STG1_INTRINSIC_DELAY);
$display("%m : PI_STG2_INTRINSIC_DELAY = %0.2f ", PI_STG2_INTRINSIC_DELAY);
$display("%m : PI_INTRINSIC_DELAY = %0.2f ", PI_INTRINSIC_DELAY);
$display("%m : PI_MAX_STG2_DELAY = %0.2f ", PI_MAX_STG2_DELAY);
$display("%m : PI_OFFSET = %0.2f ", PI_OFFSET);
if ( PI_OFFSET < 0) $display("%m : a negative PI_OFFSET means that rclk path is longer than oclk path so rclk will be delayed to next oclk edge and the negedge of rclk may be used.");
$display("%m : PI_STG2_DELAY = %0.2f ", PI_STG2_DELAY);
$display("%m :PI_STG2_DELAY_CAND = %0.2f ",PI_STG2_DELAY_CAND);
$display("%m : DEFAULT_RCLK_DELAY = %0d ", DEFAULT_RCLK_DELAY);
$display("%m : RCLK_SELECT_EDGE = %0b ", LP_RCLK_SELECT_EDGE);
end // SYNTHESIS
if ( PI_STG2_DELAY_CAND > PI_MAX_STG2_DELAY) $display("WARNING: %m: The required delay though the phaser_in to internally match the aux_out clock to ddr clock exceeds the maximum allowable delay. The clock edge will occur at the output registers of aux_out %0.2f ps before the ddr clock edge. If aux_out is used for memory inputs, this may violate setup or hold time.", PI_STG2_DELAY_CAND - PI_MAX_STG2_DELAY);
end
assign sync_pulse_split = sync_pulse;
assign mem_refclk_split = mem_refclk;
assign freq_refclk_split = freq_refclk;
assign mem_refclk_div4_split = mem_refclk_div4;
assign phy_ctl_clk_split0 = _phy_clk;
assign phy_ctl_wd_split0 = phy_ctl_wd;
assign phy_ctl_wr_split0 = phy_ctl_wr;
assign phy_clk_split0 = phy_clk;
assign phy_cmd_wr_en_split0 = phy_cmd_wr_en;
assign phy_data_wr_en_split0 = phy_data_wr_en;
assign phy_rd_en_split0 = phy_rd_en;
assign phy_dout_split0 = phy_dout;
assign phy_ctl_clk_split1 = phy_clk;
assign phy_ctl_wd_split1 = phy_ctl_wd;
assign phy_data_offset_1_split1 = data_offset_1;
assign phy_ctl_wr_split1 = phy_ctl_wr;
assign phy_clk_split1 = phy_clk;
assign phy_cmd_wr_en_split1 = phy_cmd_wr_en;
assign phy_data_wr_en_split1 = phy_data_wr_en;
assign phy_rd_en_split1 = phy_rd_en;
assign phy_dout_split1 = phy_dout;
assign phy_ctl_clk_split2 = phy_clk;
assign phy_ctl_wd_split2 = phy_ctl_wd;
assign phy_data_offset_2_split2 = data_offset_2;
assign phy_ctl_wr_split2 = phy_ctl_wr;
assign phy_clk_split2 = phy_clk;
assign phy_cmd_wr_en_split2 = phy_cmd_wr_en;
assign phy_data_wr_en_split2 = phy_data_wr_en;
assign phy_rd_en_split2 = phy_rd_en;
assign phy_dout_split2 = phy_dout;
// these wires are needed to coerce correct synthesis
// the synthesizer did not always see the widths of the
// parameters as 4 bits.
wire [3:0] blb0 = BYTE_LANES_B0;
wire [3:0] blb1 = BYTE_LANES_B1;
wire [3:0] blb2 = BYTE_LANES_B2;
wire [3:0] dcb0 = DATA_CTL_B0;
wire [3:0] dcb1 = DATA_CTL_B1;
wire [3:0] dcb2 = DATA_CTL_B2;
assign pi_dqs_found_all = & (pi_dqs_found_lanes | ~ {blb2, blb1, blb0} | ~ {dcb2, dcb1, dcb0});
assign pi_dqs_found_any = | (pi_dqs_found_lanes & {blb2, blb1, blb0} & {dcb2, dcb1, dcb0});
assign pi_phase_locked_all = & pi_phase_locked_all_w[HIGHEST_BANK-1:0];
assign calib_zero_inputs_int = {3'bxxx, calib_zero_inputs};
//Added to remove concadination in the instantiation
assign calib_sel_byte0 = {calib_zero_inputs_int[0], calib_sel[1:0]} ;
assign calib_sel_byte1 = {calib_zero_inputs_int[1], calib_sel[1:0]} ;
assign calib_sel_byte2 = {calib_zero_inputs_int[2], calib_sel[1:0]} ;
assign calib_zero_lanes_int = calib_zero_lanes;
assign phy_ctl_ready = &phy_ctl_ready_w[HIGHEST_BANK-1:0];
assign phy_ctl_mstr_empty = phy_ctl_empty[MASTER_PHY_CTL];
assign of_ctl_a_full = |of_ctl_a_full_v;
assign of_ctl_full = |of_ctl_full_v;
assign of_data_a_full = |of_data_a_full_v;
assign of_data_full = |of_data_full_v;
assign pre_data_a_full= |pre_data_a_full_v;
// if if_empty_def == 1, empty is asserted only if all are empty;
// this allows the user to detect a skewed fifo depth and self-clear
// if desired. It avoids a reset to clear the flags.
assign if_empty = !if_empty_def ? |if_empty_v : &if_empty_v;
assign if_empty_or = |if_empty_or_v;
assign if_empty_and = &if_empty_and_v;
assign if_a_empty = |if_a_empty_v;
generate
genvar i;
for (i = 0; i != NUM_DDR_CK; i = i + 1) begin : ddr_clk_gen
case ((GENERATE_DDR_CK_MAP >> (16*i)) & 16'hffff)
16'h3041: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i)) & 2'b11;
16'h3042: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i+12)) & 2'b11;
16'h3043: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i+24)) & 2'b11;
16'h3044: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i+36)) & 2'b11;
16'h3141: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i)) & 2'b11;
16'h3142: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i+12)) & 2'b11;
16'h3143: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i+24)) & 2'b11;
16'h3144: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i+36)) & 2'b11;
16'h3241: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i)) & 2'b11;
16'h3242: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i+12)) & 2'b11;
16'h3243: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i+24)) & 2'b11;
16'h3244: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i+36)) & 2'b11;
default : initial $display("ERROR: mc_phy ddr_clk_gen : invalid specification for parameter GENERATE_DDR_CK_MAP , clock index = %d, spec= %x (hex) ", i, (( GENERATE_DDR_CK_MAP >> (16 * i )) & 16'hffff ));
endcase
end
endgenerate
//assign rclk = rclk_w[RCLK_SELECT_BANK];
reg rst_auxout;
reg rst_auxout_r;
reg rst_auxout_rr;
always @(posedge auxout_clk or posedge rst) begin
if ( rst) begin
rst_auxout_r <= #(1) 1'b1;
rst_auxout_rr <= #(1) 1'b1;
end
else begin
rst_auxout_r <= #(1) rst;
rst_auxout_rr <= #(1) rst_auxout_r;
end
end
if ( LP_RCLK_SELECT_EDGE[0]) begin
always @(posedge auxout_clk or posedge rst) begin
if ( rst) begin
rst_auxout <= #(1) 1'b1;
end
else begin
rst_auxout <= #(1) rst_auxout_rr;
end
end
end
else begin
always @(negedge auxout_clk or posedge rst) begin
if ( rst) begin
rst_auxout <= #(1) 1'b1;
end
else begin
rst_auxout <= #(1) rst_auxout_rr;
end
end
end
localparam L_RESET_SELECT_BANK =
(BYTE_LANES_B1 == 0 && BYTE_LANES_B2 == 0 && RCLK_SELECT_BANK) ? 0 : RCLK_SELECT_BANK;
always @(*) begin
rst_out = rst_out_w[L_RESET_SELECT_BANK] & ddr_rst_in_n;
end
always @(posedge phy_clk) begin
if ( rst)
mcGo_r <= #(1) 0;
else
mcGo_r <= #(1) (mcGo_r << 1) | &mcGo_w;
end
assign mcGo = mcGo_r[15];
generate
// this is an optional 1 clock delay to add latency to the phy_control programming path
if (PHYCTL_CMD_FIFO == "TRUE") begin : cmd_fifo_soft
reg [31:0] phy_wd_reg = 0;
reg [3:0] aux_in1_reg = 0;
reg [3:0] aux_in2_reg = 0;
reg sfifo_ready = 0;
assign _phy_ctl_wd = phy_wd_reg;
assign aux_in_[1] = aux_in1_reg;
assign aux_in_[2] = aux_in2_reg;
assign phy_ctl_a_full = |_phy_ctl_a_full_p;
assign phy_ctl_full[0] = |_phy_ctl_full_p;
assign phy_ctl_full[1] = |_phy_ctl_full_p;
assign phy_ctl_full[2] = |_phy_ctl_full_p;
assign phy_ctl_full[3] = |_phy_ctl_full_p;
assign _phy_clk = phy_clk;
always @(posedge phy_clk) begin
phy_wd_reg <= #1 phy_ctl_wd;
aux_in1_reg <= #1 aux_in_1;
aux_in2_reg <= #1 aux_in_2;
sfifo_ready <= #1 phy_ctl_wr;
end
end
else if (PHYCTL_CMD_FIFO == "FALSE") begin
assign _phy_ctl_wd = phy_ctl_wd;
assign aux_in_[1] = aux_in_1;
assign aux_in_[2] = aux_in_2;
assign phy_ctl_a_full = |_phy_ctl_a_full_p;
assign phy_ctl_full[0] = |_phy_ctl_full_p;
assign phy_ctl_full[3:1] = 3'b000;
assign _phy_clk = phy_clk;
end
endgenerate
// instance of four-lane phy
generate
if (HIGHEST_BANK == 3) begin : banks_3
assign byte_rd_en_oth_banks[1:0] = {byte_rd_en_v[1],byte_rd_en_v[2]};
assign byte_rd_en_oth_banks[3:2] = {byte_rd_en_v[0],byte_rd_en_v[2]};
assign byte_rd_en_oth_banks[5:4] = {byte_rd_en_v[0],byte_rd_en_v[1]};
end
else if (HIGHEST_BANK == 2) begin : banks_2
assign byte_rd_en_oth_banks[1:0] = {byte_rd_en_v[1],1'b1};
assign byte_rd_en_oth_banks[3:2] = {byte_rd_en_v[0],1'b1};
end
else begin : banks_1
assign byte_rd_en_oth_banks[1:0] = {1'b1,1'b1};
end
if ( BYTE_LANES_B0 != 0) begin : ddr_phy_4lanes_0
mig_7series_v2_3_ddr_phy_4lanes #
(
.BYTE_LANES (BYTE_LANES_B0), /* four bits, one per lanes */
.DATA_CTL_N (PHY_0_DATA_CTL), /* four bits, one per lane */
.PO_CTL_COARSE_BYPASS (PO_CTL_COARSE_BYPASS),
.PO_FINE_DELAY (L_PHY_0_PO_FINE_DELAY),
.BITLANES (PHY_0_BITLANES),
.BITLANES_OUTONLY (PHY_0_BITLANES_OUTONLY),
.BYTELANES_DDR_CK (LP_PHY_0_BYTELANES_DDR_CK),
.LAST_BANK (PHY_0_IS_LAST_BANK),
.LANE_REMAP (PHY_0_LANE_REMAP),
.OF_ALMOST_FULL_VALUE (PHY_0_OF_ALMOST_FULL_VALUE),
.IF_ALMOST_EMPTY_VALUE (PHY_0_IF_ALMOST_EMPTY_VALUE),
.GENERATE_IDELAYCTRL (PHY_0_GENERATE_IDELAYCTRL),
.IODELAY_GRP (PHY_0_IODELAY_GRP),
.FPGA_SPEED_GRADE (FPGA_SPEED_GRADE),
.BANK_TYPE (BANK_TYPE),
.NUM_DDR_CK (NUM_DDR_CK),
.TCK (TCK),
.RCLK_SELECT_LANE (RCLK_SELECT_LANE),
.USE_PRE_POST_FIFO (USE_PRE_POST_FIFO),
.SYNTHESIS (SYNTHESIS),
.PC_CLK_RATIO (PHY_CLK_RATIO),
.PC_EVENTS_DELAY (PHY_EVENTS_DELAY),
.PC_FOUR_WINDOW_CLOCKS (PHY_FOUR_WINDOW_CLOCKS),
.PC_BURST_MODE (PHY_0_A_BURST_MODE),
.PC_SYNC_MODE (PHY_SYNC_MODE),
.PC_MULTI_REGION (PHY_MULTI_REGION),
.PC_PHY_COUNT_EN (PHY_COUNT_EN),
.PC_DISABLE_SEQ_MATCH (PHY_DISABLE_SEQ_MATCH),
.PC_CMD_OFFSET (PHY_0_CMD_OFFSET),
.PC_RD_CMD_OFFSET_0 (PHY_0_RD_CMD_OFFSET_0),
.PC_RD_CMD_OFFSET_1 (PHY_0_RD_CMD_OFFSET_1),
.PC_RD_CMD_OFFSET_2 (PHY_0_RD_CMD_OFFSET_2),
.PC_RD_CMD_OFFSET_3 (PHY_0_RD_CMD_OFFSET_3),
.PC_RD_DURATION_0 (PHY_0_RD_DURATION_0),
.PC_RD_DURATION_1 (PHY_0_RD_DURATION_1),
.PC_RD_DURATION_2 (PHY_0_RD_DURATION_2),
.PC_RD_DURATION_3 (PHY_0_RD_DURATION_3),
.PC_WR_CMD_OFFSET_0 (PHY_0_WR_CMD_OFFSET_0),
.PC_WR_CMD_OFFSET_1 (PHY_0_WR_CMD_OFFSET_1),
.PC_WR_CMD_OFFSET_2 (PHY_0_WR_CMD_OFFSET_2),
.PC_WR_CMD_OFFSET_3 (PHY_0_WR_CMD_OFFSET_3),
.PC_WR_DURATION_0 (PHY_0_WR_DURATION_0),
.PC_WR_DURATION_1 (PHY_0_WR_DURATION_1),
.PC_WR_DURATION_2 (PHY_0_WR_DURATION_2),
.PC_WR_DURATION_3 (PHY_0_WR_DURATION_3),
.PC_AO_WRLVL_EN (PHY_0_AO_WRLVL_EN),
.PC_AO_TOGGLE (PHY_0_AO_TOGGLE),
.PI_SEL_CLK_OFFSET (PI_SEL_CLK_OFFSET),
.A_PI_FINE_DELAY (L_PHY_0_A_PI_FINE_DELAY),
.B_PI_FINE_DELAY (L_PHY_0_B_PI_FINE_DELAY),
.C_PI_FINE_DELAY (L_PHY_0_C_PI_FINE_DELAY),
.D_PI_FINE_DELAY (L_PHY_0_D_PI_FINE_DELAY),
.A_PI_FREQ_REF_DIV (PHY_0_A_PI_FREQ_REF_DIV),
.A_PI_BURST_MODE (PHY_0_A_BURST_MODE),
.A_PI_OUTPUT_CLK_SRC (L_PHY_0_A_PI_OUTPUT_CLK_SRC),
.B_PI_OUTPUT_CLK_SRC (L_PHY_0_B_PI_OUTPUT_CLK_SRC),
.C_PI_OUTPUT_CLK_SRC (L_PHY_0_C_PI_OUTPUT_CLK_SRC),
.D_PI_OUTPUT_CLK_SRC (L_PHY_0_D_PI_OUTPUT_CLK_SRC),
.A_PO_OUTPUT_CLK_SRC (PHY_0_A_PO_OUTPUT_CLK_SRC),
.A_PO_OCLK_DELAY (PHY_0_A_PO_OCLK_DELAY),
.A_PO_OCLKDELAY_INV (PHY_0_A_PO_OCLKDELAY_INV),
.A_OF_ARRAY_MODE (PHY_0_A_OF_ARRAY_MODE),
.B_OF_ARRAY_MODE (PHY_0_B_OF_ARRAY_MODE),
.C_OF_ARRAY_MODE (PHY_0_C_OF_ARRAY_MODE),
.D_OF_ARRAY_MODE (PHY_0_D_OF_ARRAY_MODE),
.A_IF_ARRAY_MODE (PHY_0_A_IF_ARRAY_MODE),
.B_IF_ARRAY_MODE (PHY_0_B_IF_ARRAY_MODE),
.C_IF_ARRAY_MODE (PHY_0_C_IF_ARRAY_MODE),
.D_IF_ARRAY_MODE (PHY_0_D_IF_ARRAY_MODE),
.A_OS_DATA_RATE (PHY_0_A_OSERDES_DATA_RATE),
.A_OS_DATA_WIDTH (PHY_0_A_OSERDES_DATA_WIDTH),
.B_OS_DATA_RATE (PHY_0_B_OSERDES_DATA_RATE),
.B_OS_DATA_WIDTH (PHY_0_B_OSERDES_DATA_WIDTH),
.C_OS_DATA_RATE (PHY_0_C_OSERDES_DATA_RATE),
.C_OS_DATA_WIDTH (PHY_0_C_OSERDES_DATA_WIDTH),
.D_OS_DATA_RATE (PHY_0_D_OSERDES_DATA_RATE),
.D_OS_DATA_WIDTH (PHY_0_D_OSERDES_DATA_WIDTH),
.A_IDELAYE2_IDELAY_TYPE (PHY_0_A_IDELAYE2_IDELAY_TYPE),
.A_IDELAYE2_IDELAY_VALUE (PHY_0_A_IDELAYE2_IDELAY_VALUE)
,.CKE_ODT_AUX (CKE_ODT_AUX)
)
u_ddr_phy_4lanes
(
.rst (rst),
.phy_clk (phy_clk_split0),
.phy_ctl_clk (phy_ctl_clk_split0),
.phy_ctl_wd (phy_ctl_wd_split0),
.data_offset (phy_ctl_wd_split0[PC_DATA_OFFSET_RANGE_HI : PC_DATA_OFFSET_RANGE_LO]),
.phy_ctl_wr (phy_ctl_wr_split0),
.mem_refclk (mem_refclk_split),
.freq_refclk (freq_refclk_split),
.mem_refclk_div4 (mem_refclk_div4_split),
.sync_pulse (sync_pulse_split),
.phy_dout (phy_dout_split0[HIGHEST_LANE_B0*80-1:0]),
.phy_cmd_wr_en (phy_cmd_wr_en_split0),
.phy_data_wr_en (phy_data_wr_en_split0),
.phy_rd_en (phy_rd_en_split0),
.pll_lock (pll_lock),
.ddr_clk (ddr_clk_w[0]),
.rclk (),
.rst_out (rst_out_w[0]),
.mcGo (mcGo_w[0]),
.ref_dll_lock (ref_dll_lock_w[0]),
.idelayctrl_refclk (idelayctrl_refclk),
.idelay_inc (idelay_inc),
.idelay_ce (idelay_ce),
.idelay_ld (idelay_ld),
.phy_ctl_mstr_empty (phy_ctl_mstr_empty),
.if_rst (if_rst),
.if_empty_def (if_empty_def),
.byte_rd_en_oth_banks (byte_rd_en_oth_banks[1:0]),
.if_a_empty (if_a_empty_v[0]),
.if_empty (if_empty_v[0]),
.byte_rd_en (byte_rd_en_v[0]),
.if_empty_or (if_empty_or_v[0]),
.if_empty_and (if_empty_and_v[0]),
.of_ctl_a_full (of_ctl_a_full_v[0]),
.of_data_a_full (of_data_a_full_v[0]),
.of_ctl_full (of_ctl_full_v[0]),
.of_data_full (of_data_full_v[0]),
.pre_data_a_full (pre_data_a_full_v[0]),
.phy_din (phy_din[HIGHEST_LANE_B0*80-1:0]),
.phy_ctl_a_full (_phy_ctl_a_full_p[0]),
.phy_ctl_full (_phy_ctl_full_p[0]),
.phy_ctl_empty (phy_ctl_empty[0]),
.mem_dq_out (mem_dq_out[HIGHEST_LANE_B0*12-1:0]),
.mem_dq_ts (mem_dq_ts[HIGHEST_LANE_B0*12-1:0]),
.mem_dq_in (mem_dq_in[HIGHEST_LANE_B0*10-1:0]),
.mem_dqs_out (mem_dqs_out[HIGHEST_LANE_B0-1:0]),
.mem_dqs_ts (mem_dqs_ts[HIGHEST_LANE_B0-1:0]),
.mem_dqs_in (mem_dqs_in[HIGHEST_LANE_B0-1:0]),
.aux_out (aux_out_[3:0]),
.phy_ctl_ready (phy_ctl_ready_w[0]),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
// .scan_test_bus_A (scan_test_bus_A),
// .scan_test_bus_B (),
// .scan_test_bus_C (),
// .scan_test_bus_D (),
.phyGo (phyGo),
.input_sink (input_sink),
.calib_sel (calib_sel_byte0),
.calib_zero_ctrl (calib_zero_ctrl[0]),
.calib_zero_lanes (calib_zero_lanes_int[3:0]),
.calib_in_common (calib_in_common),
.po_coarse_enable (po_coarse_enable[0]),
.po_fine_enable (po_fine_enable[0]),
.po_fine_inc (po_fine_inc[0]),
.po_coarse_inc (po_coarse_inc[0]),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay[0]),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (po_coarse_overflow_w[0]),
.po_fine_overflow (po_fine_overflow_w[0]),
.po_counter_read_val (po_counter_read_val_w[0]),
.pi_rst_dqs_find (pi_rst_dqs_find[0]),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (pi_fine_overflow_w[0]),
.pi_counter_read_val (pi_counter_read_val_w[0]),
.pi_dqs_found (pi_dqs_found_w[0]),
.pi_dqs_found_all (pi_dqs_found_all_w[0]),
.pi_dqs_found_any (pi_dqs_found_any_w[0]),
.pi_phase_locked_lanes (pi_phase_locked_lanes[HIGHEST_LANE_B0-1:0]),
.pi_dqs_found_lanes (pi_dqs_found_lanes[HIGHEST_LANE_B0-1:0]),
.pi_dqs_out_of_range (pi_dqs_out_of_range_w[0]),
.pi_phase_locked (pi_phase_locked_w[0]),
.pi_phase_locked_all (pi_phase_locked_all_w[0]),
.fine_delay (fine_delay),
.fine_delay_sel (fine_delay_sel)
);
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[0] <= #100 0;
aux_out[2] <= #100 0;
end
else begin
aux_out[0] <= #100 aux_out_[0];
aux_out[2] <= #100 aux_out_[2];
end
end
if ( LP_RCLK_SELECT_EDGE[0]) begin
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[1] <= #100 0;
aux_out[3] <= #100 0;
end
else begin
aux_out[1] <= #100 aux_out_[1];
aux_out[3] <= #100 aux_out_[3];
end
end
end
else begin
always @(negedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[1] <= #100 0;
aux_out[3] <= #100 0;
end
else begin
aux_out[1] <= #100 aux_out_[1];
aux_out[3] <= #100 aux_out_[3];
end
end
end
end
else begin
if ( HIGHEST_BANK > 0) begin
assign phy_din[HIGHEST_LANE_B0*80-1:0] = 0;
assign _phy_ctl_a_full_p[0] = 0;
assign of_ctl_a_full_v[0] = 0;
assign of_ctl_full_v[0] = 0;
assign of_data_a_full_v[0] = 0;
assign of_data_full_v[0] = 0;
assign pre_data_a_full_v[0] = 0;
assign if_empty_v[0] = 0;
assign byte_rd_en_v[0] = 1;
always @(*)
aux_out[3:0] = 0;
end
assign pi_dqs_found_w[0] = 1;
assign pi_dqs_found_all_w[0] = 1;
assign pi_dqs_found_any_w[0] = 0;
assign pi_phase_locked_lanes[HIGHEST_LANE_B0-1:0] = 4'b1111;
assign pi_dqs_found_lanes[HIGHEST_LANE_B0-1:0] = 4'b1111;
assign pi_dqs_out_of_range_w[0] = 0;
assign pi_phase_locked_w[0] = 1;
assign po_fine_overflow_w[0] = 0;
assign po_coarse_overflow_w[0] = 0;
assign po_fine_overflow_w[0] = 0;
assign pi_fine_overflow_w[0] = 0;
assign po_counter_read_val_w[0] = 0;
assign pi_counter_read_val_w[0] = 0;
assign mcGo_w[0] = 1;
if ( RCLK_SELECT_BANK == 0)
always @(*)
aux_out[3:0] = 0;
end
if ( BYTE_LANES_B1 != 0) begin : ddr_phy_4lanes_1
mig_7series_v2_3_ddr_phy_4lanes #
(
.BYTE_LANES (BYTE_LANES_B1), /* four bits, one per lanes */
.DATA_CTL_N (PHY_1_DATA_CTL), /* four bits, one per lane */
.PO_CTL_COARSE_BYPASS (PO_CTL_COARSE_BYPASS),
.PO_FINE_DELAY (L_PHY_1_PO_FINE_DELAY),
.BITLANES (PHY_1_BITLANES),
.BITLANES_OUTONLY (PHY_1_BITLANES_OUTONLY),
.BYTELANES_DDR_CK (LP_PHY_1_BYTELANES_DDR_CK),
.LAST_BANK (PHY_1_IS_LAST_BANK ),
.LANE_REMAP (PHY_1_LANE_REMAP),
.OF_ALMOST_FULL_VALUE (PHY_1_OF_ALMOST_FULL_VALUE),
.IF_ALMOST_EMPTY_VALUE (PHY_1_IF_ALMOST_EMPTY_VALUE),
.GENERATE_IDELAYCTRL (PHY_1_GENERATE_IDELAYCTRL),
.IODELAY_GRP (PHY_1_IODELAY_GRP),
.BANK_TYPE (BANK_TYPE),
.NUM_DDR_CK (NUM_DDR_CK),
.TCK (TCK),
.RCLK_SELECT_LANE (RCLK_SELECT_LANE),
.USE_PRE_POST_FIFO (USE_PRE_POST_FIFO),
.SYNTHESIS (SYNTHESIS),
.PC_CLK_RATIO (PHY_CLK_RATIO),
.PC_EVENTS_DELAY (PHY_EVENTS_DELAY),
.PC_FOUR_WINDOW_CLOCKS (PHY_FOUR_WINDOW_CLOCKS),
.PC_BURST_MODE (PHY_1_A_BURST_MODE),
.PC_SYNC_MODE (PHY_SYNC_MODE),
.PC_MULTI_REGION (PHY_MULTI_REGION),
.PC_PHY_COUNT_EN (PHY_COUNT_EN),
.PC_DISABLE_SEQ_MATCH (PHY_DISABLE_SEQ_MATCH),
.PC_CMD_OFFSET (PHY_1_CMD_OFFSET),
.PC_RD_CMD_OFFSET_0 (PHY_1_RD_CMD_OFFSET_0),
.PC_RD_CMD_OFFSET_1 (PHY_1_RD_CMD_OFFSET_1),
.PC_RD_CMD_OFFSET_2 (PHY_1_RD_CMD_OFFSET_2),
.PC_RD_CMD_OFFSET_3 (PHY_1_RD_CMD_OFFSET_3),
.PC_RD_DURATION_0 (PHY_1_RD_DURATION_0),
.PC_RD_DURATION_1 (PHY_1_RD_DURATION_1),
.PC_RD_DURATION_2 (PHY_1_RD_DURATION_2),
.PC_RD_DURATION_3 (PHY_1_RD_DURATION_3),
.PC_WR_CMD_OFFSET_0 (PHY_1_WR_CMD_OFFSET_0),
.PC_WR_CMD_OFFSET_1 (PHY_1_WR_CMD_OFFSET_1),
.PC_WR_CMD_OFFSET_2 (PHY_1_WR_CMD_OFFSET_2),
.PC_WR_CMD_OFFSET_3 (PHY_1_WR_CMD_OFFSET_3),
.PC_WR_DURATION_0 (PHY_1_WR_DURATION_0),
.PC_WR_DURATION_1 (PHY_1_WR_DURATION_1),
.PC_WR_DURATION_2 (PHY_1_WR_DURATION_2),
.PC_WR_DURATION_3 (PHY_1_WR_DURATION_3),
.PC_AO_WRLVL_EN (PHY_1_AO_WRLVL_EN),
.PC_AO_TOGGLE (PHY_1_AO_TOGGLE),
.PI_SEL_CLK_OFFSET (PI_SEL_CLK_OFFSET),
.A_PI_FINE_DELAY (L_PHY_1_A_PI_FINE_DELAY),
.B_PI_FINE_DELAY (L_PHY_1_B_PI_FINE_DELAY),
.C_PI_FINE_DELAY (L_PHY_1_C_PI_FINE_DELAY),
.D_PI_FINE_DELAY (L_PHY_1_D_PI_FINE_DELAY),
.A_PI_FREQ_REF_DIV (PHY_1_A_PI_FREQ_REF_DIV),
.A_PI_BURST_MODE (PHY_1_A_BURST_MODE),
.A_PI_OUTPUT_CLK_SRC (L_PHY_1_A_PI_OUTPUT_CLK_SRC),
.B_PI_OUTPUT_CLK_SRC (L_PHY_1_B_PI_OUTPUT_CLK_SRC),
.C_PI_OUTPUT_CLK_SRC (L_PHY_1_C_PI_OUTPUT_CLK_SRC),
.D_PI_OUTPUT_CLK_SRC (L_PHY_1_D_PI_OUTPUT_CLK_SRC),
.A_PO_OUTPUT_CLK_SRC (PHY_1_A_PO_OUTPUT_CLK_SRC),
.A_PO_OCLK_DELAY (PHY_1_A_PO_OCLK_DELAY),
.A_PO_OCLKDELAY_INV (PHY_1_A_PO_OCLKDELAY_INV),
.A_OF_ARRAY_MODE (PHY_1_A_OF_ARRAY_MODE),
.B_OF_ARRAY_MODE (PHY_1_B_OF_ARRAY_MODE),
.C_OF_ARRAY_MODE (PHY_1_C_OF_ARRAY_MODE),
.D_OF_ARRAY_MODE (PHY_1_D_OF_ARRAY_MODE),
.A_IF_ARRAY_MODE (PHY_1_A_IF_ARRAY_MODE),
.B_IF_ARRAY_MODE (PHY_1_B_IF_ARRAY_MODE),
.C_IF_ARRAY_MODE (PHY_1_C_IF_ARRAY_MODE),
.D_IF_ARRAY_MODE (PHY_1_D_IF_ARRAY_MODE),
.A_OS_DATA_RATE (PHY_1_A_OSERDES_DATA_RATE),
.A_OS_DATA_WIDTH (PHY_1_A_OSERDES_DATA_WIDTH),
.B_OS_DATA_RATE (PHY_1_B_OSERDES_DATA_RATE),
.B_OS_DATA_WIDTH (PHY_1_B_OSERDES_DATA_WIDTH),
.C_OS_DATA_RATE (PHY_1_C_OSERDES_DATA_RATE),
.C_OS_DATA_WIDTH (PHY_1_C_OSERDES_DATA_WIDTH),
.D_OS_DATA_RATE (PHY_1_D_OSERDES_DATA_RATE),
.D_OS_DATA_WIDTH (PHY_1_D_OSERDES_DATA_WIDTH),
.A_IDELAYE2_IDELAY_TYPE (PHY_1_A_IDELAYE2_IDELAY_TYPE),
.A_IDELAYE2_IDELAY_VALUE (PHY_1_A_IDELAYE2_IDELAY_VALUE)
,.CKE_ODT_AUX (CKE_ODT_AUX)
)
u_ddr_phy_4lanes
(
.rst (rst),
.phy_clk (phy_clk_split1),
.phy_ctl_clk (phy_ctl_clk_split1),
.phy_ctl_wd (phy_ctl_wd_split1),
.data_offset (phy_data_offset_1_split1),
.phy_ctl_wr (phy_ctl_wr_split1),
.mem_refclk (mem_refclk_split),
.freq_refclk (freq_refclk_split),
.mem_refclk_div4 (mem_refclk_div4_split),
.sync_pulse (sync_pulse_split),
.phy_dout (phy_dout_split1[HIGHEST_LANE_B1*80+320-1:320]),
.phy_cmd_wr_en (phy_cmd_wr_en_split1),
.phy_data_wr_en (phy_data_wr_en_split1),
.phy_rd_en (phy_rd_en_split1),
.pll_lock (pll_lock),
.ddr_clk (ddr_clk_w[1]),
.rclk (),
.rst_out (rst_out_w[1]),
.mcGo (mcGo_w[1]),
.ref_dll_lock (ref_dll_lock_w[1]),
.idelayctrl_refclk (idelayctrl_refclk),
.idelay_inc (idelay_inc),
.idelay_ce (idelay_ce),
.idelay_ld (idelay_ld),
.phy_ctl_mstr_empty (phy_ctl_mstr_empty),
.if_rst (if_rst),
.if_empty_def (if_empty_def),
.byte_rd_en_oth_banks (byte_rd_en_oth_banks[3:2]),
.if_a_empty (if_a_empty_v[1]),
.if_empty (if_empty_v[1]),
.byte_rd_en (byte_rd_en_v[1]),
.if_empty_or (if_empty_or_v[1]),
.if_empty_and (if_empty_and_v[1]),
.of_ctl_a_full (of_ctl_a_full_v[1]),
.of_data_a_full (of_data_a_full_v[1]),
.of_ctl_full (of_ctl_full_v[1]),
.of_data_full (of_data_full_v[1]),
.pre_data_a_full (pre_data_a_full_v[1]),
.phy_din (phy_din[HIGHEST_LANE_B1*80+320-1:320]),
.phy_ctl_a_full (_phy_ctl_a_full_p[1]),
.phy_ctl_full (_phy_ctl_full_p[1]),
.phy_ctl_empty (phy_ctl_empty[1]),
.mem_dq_out (mem_dq_out[HIGHEST_LANE_B1*12+48-1:48]),
.mem_dq_ts (mem_dq_ts[HIGHEST_LANE_B1*12+48-1:48]),
.mem_dq_in (mem_dq_in[HIGHEST_LANE_B1*10+40-1:40]),
.mem_dqs_out (mem_dqs_out[HIGHEST_LANE_B1+4-1:4]),
.mem_dqs_ts (mem_dqs_ts[HIGHEST_LANE_B1+4-1:4]),
.mem_dqs_in (mem_dqs_in[HIGHEST_LANE_B1+4-1:4]),
.aux_out (aux_out_[7:4]),
.phy_ctl_ready (phy_ctl_ready_w[1]),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
// .scan_test_bus_A (scan_test_bus_A),
// .scan_test_bus_B (),
// .scan_test_bus_C (),
// .scan_test_bus_D (),
.phyGo (phyGo),
.input_sink (input_sink),
.calib_sel (calib_sel_byte1),
.calib_zero_ctrl (calib_zero_ctrl[1]),
.calib_zero_lanes (calib_zero_lanes_int[7:4]),
.calib_in_common (calib_in_common),
.po_coarse_enable (po_coarse_enable[1]),
.po_fine_enable (po_fine_enable[1]),
.po_fine_inc (po_fine_inc[1]),
.po_coarse_inc (po_coarse_inc[1]),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay[1]),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (po_coarse_overflow_w[1]),
.po_fine_overflow (po_fine_overflow_w[1]),
.po_counter_read_val (po_counter_read_val_w[1]),
.pi_rst_dqs_find (pi_rst_dqs_find[1]),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (pi_fine_overflow_w[1]),
.pi_counter_read_val (pi_counter_read_val_w[1]),
.pi_dqs_found (pi_dqs_found_w[1]),
.pi_dqs_found_all (pi_dqs_found_all_w[1]),
.pi_dqs_found_any (pi_dqs_found_any_w[1]),
.pi_phase_locked_lanes (pi_phase_locked_lanes[HIGHEST_LANE_B1+4-1:4]),
.pi_dqs_found_lanes (pi_dqs_found_lanes[HIGHEST_LANE_B1+4-1:4]),
.pi_dqs_out_of_range (pi_dqs_out_of_range_w[1]),
.pi_phase_locked (pi_phase_locked_w[1]),
.pi_phase_locked_all (pi_phase_locked_all_w[1]),
.fine_delay (fine_delay),
.fine_delay_sel (fine_delay_sel)
);
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[4] <= #100 0;
aux_out[6] <= #100 0;
end
else begin
aux_out[4] <= #100 aux_out_[4];
aux_out[6] <= #100 aux_out_[6];
end
end
if ( LP_RCLK_SELECT_EDGE[1]) begin
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[5] <= #100 0;
aux_out[7] <= #100 0;
end
else begin
aux_out[5] <= #100 aux_out_[5];
aux_out[7] <= #100 aux_out_[7];
end
end
end
else begin
always @(negedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[5] <= #100 0;
aux_out[7] <= #100 0;
end
else begin
aux_out[5] <= #100 aux_out_[5];
aux_out[7] <= #100 aux_out_[7];
end
end
end
end
else begin
if ( HIGHEST_BANK > 1) begin
assign phy_din[HIGHEST_LANE_B1*80+320-1:320] = 0;
assign _phy_ctl_a_full_p[1] = 0;
assign of_ctl_a_full_v[1] = 0;
assign of_ctl_full_v[1] = 0;
assign of_data_a_full_v[1] = 0;
assign of_data_full_v[1] = 0;
assign pre_data_a_full_v[1] = 0;
assign if_empty_v[1] = 0;
assign byte_rd_en_v[1] = 1;
assign pi_phase_locked_lanes[HIGHEST_LANE_B1+4-1:4] = 4'b1111;
assign pi_dqs_found_lanes[HIGHEST_LANE_B1+4-1:4] = 4'b1111;
always @(*)
aux_out[7:4] = 0;
end
assign pi_dqs_found_w[1] = 1;
assign pi_dqs_found_all_w[1] = 1;
assign pi_dqs_found_any_w[1] = 0;
assign pi_dqs_out_of_range_w[1] = 0;
assign pi_phase_locked_w[1] = 1;
assign po_coarse_overflow_w[1] = 0;
assign po_fine_overflow_w[1] = 0;
assign pi_fine_overflow_w[1] = 0;
assign po_counter_read_val_w[1] = 0;
assign pi_counter_read_val_w[1] = 0;
assign mcGo_w[1] = 1;
end
if ( BYTE_LANES_B2 != 0) begin : ddr_phy_4lanes_2
mig_7series_v2_3_ddr_phy_4lanes #
(
.BYTE_LANES (BYTE_LANES_B2), /* four bits, one per lanes */
.DATA_CTL_N (PHY_2_DATA_CTL), /* four bits, one per lane */
.PO_CTL_COARSE_BYPASS (PO_CTL_COARSE_BYPASS),
.PO_FINE_DELAY (L_PHY_2_PO_FINE_DELAY),
.BITLANES (PHY_2_BITLANES),
.BITLANES_OUTONLY (PHY_2_BITLANES_OUTONLY),
.BYTELANES_DDR_CK (LP_PHY_2_BYTELANES_DDR_CK),
.LAST_BANK (PHY_2_IS_LAST_BANK ),
.LANE_REMAP (PHY_2_LANE_REMAP),
.OF_ALMOST_FULL_VALUE (PHY_2_OF_ALMOST_FULL_VALUE),
.IF_ALMOST_EMPTY_VALUE (PHY_2_IF_ALMOST_EMPTY_VALUE),
.GENERATE_IDELAYCTRL (PHY_2_GENERATE_IDELAYCTRL),
.IODELAY_GRP (PHY_2_IODELAY_GRP),
.BANK_TYPE (BANK_TYPE),
.NUM_DDR_CK (NUM_DDR_CK),
.TCK (TCK),
.RCLK_SELECT_LANE (RCLK_SELECT_LANE),
.USE_PRE_POST_FIFO (USE_PRE_POST_FIFO),
.SYNTHESIS (SYNTHESIS),
.PC_CLK_RATIO (PHY_CLK_RATIO),
.PC_EVENTS_DELAY (PHY_EVENTS_DELAY),
.PC_FOUR_WINDOW_CLOCKS (PHY_FOUR_WINDOW_CLOCKS),
.PC_BURST_MODE (PHY_2_A_BURST_MODE),
.PC_SYNC_MODE (PHY_SYNC_MODE),
.PC_MULTI_REGION (PHY_MULTI_REGION),
.PC_PHY_COUNT_EN (PHY_COUNT_EN),
.PC_DISABLE_SEQ_MATCH (PHY_DISABLE_SEQ_MATCH),
.PC_CMD_OFFSET (PHY_2_CMD_OFFSET),
.PC_RD_CMD_OFFSET_0 (PHY_2_RD_CMD_OFFSET_0),
.PC_RD_CMD_OFFSET_1 (PHY_2_RD_CMD_OFFSET_1),
.PC_RD_CMD_OFFSET_2 (PHY_2_RD_CMD_OFFSET_2),
.PC_RD_CMD_OFFSET_3 (PHY_2_RD_CMD_OFFSET_3),
.PC_RD_DURATION_0 (PHY_2_RD_DURATION_0),
.PC_RD_DURATION_1 (PHY_2_RD_DURATION_1),
.PC_RD_DURATION_2 (PHY_2_RD_DURATION_2),
.PC_RD_DURATION_3 (PHY_2_RD_DURATION_3),
.PC_WR_CMD_OFFSET_0 (PHY_2_WR_CMD_OFFSET_0),
.PC_WR_CMD_OFFSET_1 (PHY_2_WR_CMD_OFFSET_1),
.PC_WR_CMD_OFFSET_2 (PHY_2_WR_CMD_OFFSET_2),
.PC_WR_CMD_OFFSET_3 (PHY_2_WR_CMD_OFFSET_3),
.PC_WR_DURATION_0 (PHY_2_WR_DURATION_0),
.PC_WR_DURATION_1 (PHY_2_WR_DURATION_1),
.PC_WR_DURATION_2 (PHY_2_WR_DURATION_2),
.PC_WR_DURATION_3 (PHY_2_WR_DURATION_3),
.PC_AO_WRLVL_EN (PHY_2_AO_WRLVL_EN),
.PC_AO_TOGGLE (PHY_2_AO_TOGGLE),
.PI_SEL_CLK_OFFSET (PI_SEL_CLK_OFFSET),
.A_PI_FINE_DELAY (L_PHY_2_A_PI_FINE_DELAY),
.B_PI_FINE_DELAY (L_PHY_2_B_PI_FINE_DELAY),
.C_PI_FINE_DELAY (L_PHY_2_C_PI_FINE_DELAY),
.D_PI_FINE_DELAY (L_PHY_2_D_PI_FINE_DELAY),
.A_PI_FREQ_REF_DIV (PHY_2_A_PI_FREQ_REF_DIV),
.A_PI_BURST_MODE (PHY_2_A_BURST_MODE),
.A_PI_OUTPUT_CLK_SRC (L_PHY_2_A_PI_OUTPUT_CLK_SRC),
.B_PI_OUTPUT_CLK_SRC (L_PHY_2_B_PI_OUTPUT_CLK_SRC),
.C_PI_OUTPUT_CLK_SRC (L_PHY_2_C_PI_OUTPUT_CLK_SRC),
.D_PI_OUTPUT_CLK_SRC (L_PHY_2_D_PI_OUTPUT_CLK_SRC),
.A_PO_OUTPUT_CLK_SRC (PHY_2_A_PO_OUTPUT_CLK_SRC),
.A_PO_OCLK_DELAY (PHY_2_A_PO_OCLK_DELAY),
.A_PO_OCLKDELAY_INV (PHY_2_A_PO_OCLKDELAY_INV),
.A_OF_ARRAY_MODE (PHY_2_A_OF_ARRAY_MODE),
.B_OF_ARRAY_MODE (PHY_2_B_OF_ARRAY_MODE),
.C_OF_ARRAY_MODE (PHY_2_C_OF_ARRAY_MODE),
.D_OF_ARRAY_MODE (PHY_2_D_OF_ARRAY_MODE),
.A_IF_ARRAY_MODE (PHY_2_A_IF_ARRAY_MODE),
.B_IF_ARRAY_MODE (PHY_2_B_IF_ARRAY_MODE),
.C_IF_ARRAY_MODE (PHY_2_C_IF_ARRAY_MODE),
.D_IF_ARRAY_MODE (PHY_2_D_IF_ARRAY_MODE),
.A_OS_DATA_RATE (PHY_2_A_OSERDES_DATA_RATE),
.A_OS_DATA_WIDTH (PHY_2_A_OSERDES_DATA_WIDTH),
.B_OS_DATA_RATE (PHY_2_B_OSERDES_DATA_RATE),
.B_OS_DATA_WIDTH (PHY_2_B_OSERDES_DATA_WIDTH),
.C_OS_DATA_RATE (PHY_2_C_OSERDES_DATA_RATE),
.C_OS_DATA_WIDTH (PHY_2_C_OSERDES_DATA_WIDTH),
.D_OS_DATA_RATE (PHY_2_D_OSERDES_DATA_RATE),
.D_OS_DATA_WIDTH (PHY_2_D_OSERDES_DATA_WIDTH),
.A_IDELAYE2_IDELAY_TYPE (PHY_2_A_IDELAYE2_IDELAY_TYPE),
.A_IDELAYE2_IDELAY_VALUE (PHY_2_A_IDELAYE2_IDELAY_VALUE)
,.CKE_ODT_AUX (CKE_ODT_AUX)
)
u_ddr_phy_4lanes
(
.rst (rst),
.phy_clk (phy_clk_split2),
.phy_ctl_clk (phy_ctl_clk_split2),
.phy_ctl_wd (phy_ctl_wd_split2),
.data_offset (phy_data_offset_2_split2),
.phy_ctl_wr (phy_ctl_wr_split2),
.mem_refclk (mem_refclk_split),
.freq_refclk (freq_refclk_split),
.mem_refclk_div4 (mem_refclk_div4_split),
.sync_pulse (sync_pulse_split),
.phy_dout (phy_dout_split2[HIGHEST_LANE_B2*80+640-1:640]),
.phy_cmd_wr_en (phy_cmd_wr_en_split2),
.phy_data_wr_en (phy_data_wr_en_split2),
.phy_rd_en (phy_rd_en_split2),
.pll_lock (pll_lock),
.ddr_clk (ddr_clk_w[2]),
.rclk (),
.rst_out (rst_out_w[2]),
.mcGo (mcGo_w[2]),
.ref_dll_lock (ref_dll_lock_w[2]),
.idelayctrl_refclk (idelayctrl_refclk),
.idelay_inc (idelay_inc),
.idelay_ce (idelay_ce),
.idelay_ld (idelay_ld),
.phy_ctl_mstr_empty (phy_ctl_mstr_empty),
.if_rst (if_rst),
.if_empty_def (if_empty_def),
.byte_rd_en_oth_banks (byte_rd_en_oth_banks[5:4]),
.if_a_empty (if_a_empty_v[2]),
.if_empty (if_empty_v[2]),
.byte_rd_en (byte_rd_en_v[2]),
.if_empty_or (if_empty_or_v[2]),
.if_empty_and (if_empty_and_v[2]),
.of_ctl_a_full (of_ctl_a_full_v[2]),
.of_data_a_full (of_data_a_full_v[2]),
.of_ctl_full (of_ctl_full_v[2]),
.of_data_full (of_data_full_v[2]),
.pre_data_a_full (pre_data_a_full_v[2]),
.phy_din (phy_din[HIGHEST_LANE_B2*80+640-1:640]),
.phy_ctl_a_full (_phy_ctl_a_full_p[2]),
.phy_ctl_full (_phy_ctl_full_p[2]),
.phy_ctl_empty (phy_ctl_empty[2]),
.mem_dq_out (mem_dq_out[HIGHEST_LANE_B2*12+96-1:96]),
.mem_dq_ts (mem_dq_ts[HIGHEST_LANE_B2*12+96-1:96]),
.mem_dq_in (mem_dq_in[HIGHEST_LANE_B2*10+80-1:80]),
.mem_dqs_out (mem_dqs_out[HIGHEST_LANE_B2-1+8:8]),
.mem_dqs_ts (mem_dqs_ts[HIGHEST_LANE_B2-1+8:8]),
.mem_dqs_in (mem_dqs_in[HIGHEST_LANE_B2-1+8:8]),
.aux_out (aux_out_[11:8]),
.phy_ctl_ready (phy_ctl_ready_w[2]),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
// .scan_test_bus_A (scan_test_bus_A),
// .scan_test_bus_B (),
// .scan_test_bus_C (),
// .scan_test_bus_D (),
.phyGo (phyGo),
.input_sink (input_sink),
.calib_sel (calib_sel_byte2),
.calib_zero_ctrl (calib_zero_ctrl[2]),
.calib_zero_lanes (calib_zero_lanes_int[11:8]),
.calib_in_common (calib_in_common),
.po_coarse_enable (po_coarse_enable[2]),
.po_fine_enable (po_fine_enable[2]),
.po_fine_inc (po_fine_inc[2]),
.po_coarse_inc (po_coarse_inc[2]),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay[2]),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (po_coarse_overflow_w[2]),
.po_fine_overflow (po_fine_overflow_w[2]),
.po_counter_read_val (po_counter_read_val_w[2]),
.pi_rst_dqs_find (pi_rst_dqs_find[2]),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (pi_fine_overflow_w[2]),
.pi_counter_read_val (pi_counter_read_val_w[2]),
.pi_dqs_found (pi_dqs_found_w[2]),
.pi_dqs_found_all (pi_dqs_found_all_w[2]),
.pi_dqs_found_any (pi_dqs_found_any_w[2]),
.pi_phase_locked_lanes (pi_phase_locked_lanes[HIGHEST_LANE_B2+8-1:8]),
.pi_dqs_found_lanes (pi_dqs_found_lanes[HIGHEST_LANE_B2+8-1:8]),
.pi_dqs_out_of_range (pi_dqs_out_of_range_w[2]),
.pi_phase_locked (pi_phase_locked_w[2]),
.pi_phase_locked_all (pi_phase_locked_all_w[2]),
.fine_delay (fine_delay),
.fine_delay_sel (fine_delay_sel)
);
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[8] <= #100 0;
aux_out[10] <= #100 0;
end
else begin
aux_out[8] <= #100 aux_out_[8];
aux_out[10] <= #100 aux_out_[10];
end
end
if ( LP_RCLK_SELECT_EDGE[1]) begin
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[9] <= #100 0;
aux_out[11] <= #100 0;
end
else begin
aux_out[9] <= #100 aux_out_[9];
aux_out[11] <= #100 aux_out_[11];
end
end
end
else begin
always @(negedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[9] <= #100 0;
aux_out[11] <= #100 0;
end
else begin
aux_out[9] <= #100 aux_out_[9];
aux_out[11] <= #100 aux_out_[11];
end
end
end
end
else begin
if ( HIGHEST_BANK > 2) begin
assign phy_din[HIGHEST_LANE_B2*80+640-1:640] = 0;
assign _phy_ctl_a_full_p[2] = 0;
assign of_ctl_a_full_v[2] = 0;
assign of_ctl_full_v[2] = 0;
assign of_data_a_full_v[2] = 0;
assign of_data_full_v[2] = 0;
assign pre_data_a_full_v[2] = 0;
assign if_empty_v[2] = 0;
assign byte_rd_en_v[2] = 1;
assign pi_phase_locked_lanes[HIGHEST_LANE_B2+8-1:8] = 4'b1111;
assign pi_dqs_found_lanes[HIGHEST_LANE_B2+8-1:8] = 4'b1111;
always @(*)
aux_out[11:8] = 0;
end
assign pi_dqs_found_w[2] = 1;
assign pi_dqs_found_all_w[2] = 1;
assign pi_dqs_found_any_w[2] = 0;
assign pi_dqs_out_of_range_w[2] = 0;
assign pi_phase_locked_w[2] = 1;
assign po_coarse_overflow_w[2] = 0;
assign po_fine_overflow_w[2] = 0;
assign po_counter_read_val_w[2] = 0;
assign pi_counter_read_val_w[2] = 0;
assign mcGo_w[2] = 1;
end
endgenerate
generate
// for single bank , emit an extra phaser_in to generate rclk
// so that auxout can be placed in another region
// if desired
if ( BYTE_LANES_B1 == 0 && BYTE_LANES_B2 == 0 && RCLK_SELECT_BANK>0)
begin : phaser_in_rclk
localparam L_EXTRA_PI_FINE_DELAY = DEFAULT_RCLK_DELAY;
PHASER_IN_PHY #(
.BURST_MODE ( PHY_0_A_BURST_MODE),
.CLKOUT_DIV ( PHY_0_A_PI_CLKOUT_DIV),
.FREQ_REF_DIV ( PHY_0_A_PI_FREQ_REF_DIV),
.REFCLK_PERIOD ( L_FREQ_REF_PERIOD_NS),
.FINE_DELAY ( L_EXTRA_PI_FINE_DELAY),
.OUTPUT_CLK_SRC ( RCLK_PI_OUTPUT_CLK_SRC)
) phaser_in_rclk (
.DQSFOUND (),
.DQSOUTOFRANGE (),
.FINEOVERFLOW (),
.PHASELOCKED (),
.ISERDESRST (),
.ICLKDIV (),
.ICLK (),
.COUNTERREADVAL (),
.RCLK (),
.WRENABLE (),
.BURSTPENDINGPHY (),
.ENCALIBPHY (),
.FINEENABLE (0),
.FREQREFCLK (freq_refclk),
.MEMREFCLK (mem_refclk),
.RANKSELPHY (0),
.PHASEREFCLK (),
.RSTDQSFIND (0),
.RST (rst),
.FINEINC (),
.COUNTERLOADEN (),
.COUNTERREADEN (),
.COUNTERLOADVAL (),
.SYNCIN (sync_pulse),
.SYSCLK (phy_clk)
);
end
endgenerate
always @(*) begin
case (calib_sel[5:3])
3'b000: begin
po_coarse_overflow = po_coarse_overflow_w[0];
po_fine_overflow = po_fine_overflow_w[0];
po_counter_read_val = po_counter_read_val_w[0];
pi_fine_overflow = pi_fine_overflow_w[0];
pi_counter_read_val = pi_counter_read_val_w[0];
pi_phase_locked = pi_phase_locked_w[0];
if ( calib_in_common)
pi_dqs_found = pi_dqs_found_any;
else
pi_dqs_found = pi_dqs_found_w[0];
pi_dqs_out_of_range = pi_dqs_out_of_range_w[0];
end
3'b001: begin
po_coarse_overflow = po_coarse_overflow_w[1];
po_fine_overflow = po_fine_overflow_w[1];
po_counter_read_val = po_counter_read_val_w[1];
pi_fine_overflow = pi_fine_overflow_w[1];
pi_counter_read_val = pi_counter_read_val_w[1];
pi_phase_locked = pi_phase_locked_w[1];
if ( calib_in_common)
pi_dqs_found = pi_dqs_found_any;
else
pi_dqs_found = pi_dqs_found_w[1];
pi_dqs_out_of_range = pi_dqs_out_of_range_w[1];
end
3'b010: begin
po_coarse_overflow = po_coarse_overflow_w[2];
po_fine_overflow = po_fine_overflow_w[2];
po_counter_read_val = po_counter_read_val_w[2];
pi_fine_overflow = pi_fine_overflow_w[2];
pi_counter_read_val = pi_counter_read_val_w[2];
pi_phase_locked = pi_phase_locked_w[2];
if ( calib_in_common)
pi_dqs_found = pi_dqs_found_any;
else
pi_dqs_found = pi_dqs_found_w[2];
pi_dqs_out_of_range = pi_dqs_out_of_range_w[2];
end
default: begin
po_coarse_overflow = 0;
po_fine_overflow = 0;
po_counter_read_val = 0;
pi_fine_overflow = 0;
pi_counter_read_val = 0;
pi_phase_locked = 0;
pi_dqs_found = 0;
pi_dqs_out_of_range = 0;
end
endcase
end
endmodule
|
module mig_7series_v2_3_ddr_mc_phy
#(
// five fields, one per possible I/O bank, 4 bits in each field, 1 per lane data=1/ctl=0
parameter BYTE_LANES_B0 = 4'b1111,
parameter BYTE_LANES_B1 = 4'b0000,
parameter BYTE_LANES_B2 = 4'b0000,
parameter BYTE_LANES_B3 = 4'b0000,
parameter BYTE_LANES_B4 = 4'b0000,
parameter DATA_CTL_B0 = 4'hc,
parameter DATA_CTL_B1 = 4'hf,
parameter DATA_CTL_B2 = 4'hf,
parameter DATA_CTL_B3 = 4'hf,
parameter DATA_CTL_B4 = 4'hf,
parameter RCLK_SELECT_BANK = 0,
parameter RCLK_SELECT_LANE = "B",
parameter RCLK_SELECT_EDGE = 4'b1111,
parameter GENERATE_DDR_CK_MAP = "0B",
parameter BYTELANES_DDR_CK = 72'h00_0000_0000_0000_0002,
parameter USE_PRE_POST_FIFO = "TRUE",
parameter SYNTHESIS = "FALSE",
parameter PO_CTL_COARSE_BYPASS = "FALSE",
parameter PI_SEL_CLK_OFFSET = 6,
parameter PHYCTL_CMD_FIFO = "FALSE",
parameter PHY_CLK_RATIO = 4, // phy to controller divide ratio
// common to all i/o banks
parameter PHY_FOUR_WINDOW_CLOCKS = 63,
parameter PHY_EVENTS_DELAY = 18,
parameter PHY_COUNT_EN = "TRUE",
parameter PHY_SYNC_MODE = "TRUE",
parameter PHY_DISABLE_SEQ_MATCH = "FALSE",
parameter MASTER_PHY_CTL = 0,
// common to instance 0
parameter PHY_0_BITLANES = 48'hdffd_fffe_dfff,
parameter PHY_0_BITLANES_OUTONLY = 48'h0000_0000_0000,
parameter PHY_0_LANE_REMAP = 16'h3210,
parameter PHY_0_GENERATE_IDELAYCTRL = "FALSE",
parameter PHY_0_IODELAY_GRP = "IODELAY_MIG",
parameter FPGA_SPEED_GRADE = 1,
parameter BANK_TYPE = "HP_IO", // # = "HP_IO", "HPL_IO", "HR_IO", "HRL_IO"
parameter NUM_DDR_CK = 1,
parameter PHY_0_DATA_CTL = DATA_CTL_B0,
parameter PHY_0_CMD_OFFSET = 0,
parameter PHY_0_RD_CMD_OFFSET_0 = 0,
parameter PHY_0_RD_CMD_OFFSET_1 = 0,
parameter PHY_0_RD_CMD_OFFSET_2 = 0,
parameter PHY_0_RD_CMD_OFFSET_3 = 0,
parameter PHY_0_RD_DURATION_0 = 0,
parameter PHY_0_RD_DURATION_1 = 0,
parameter PHY_0_RD_DURATION_2 = 0,
parameter PHY_0_RD_DURATION_3 = 0,
parameter PHY_0_WR_CMD_OFFSET_0 = 0,
parameter PHY_0_WR_CMD_OFFSET_1 = 0,
parameter PHY_0_WR_CMD_OFFSET_2 = 0,
parameter PHY_0_WR_CMD_OFFSET_3 = 0,
parameter PHY_0_WR_DURATION_0 = 0,
parameter PHY_0_WR_DURATION_1 = 0,
parameter PHY_0_WR_DURATION_2 = 0,
parameter PHY_0_WR_DURATION_3 = 0,
parameter PHY_0_AO_WRLVL_EN = 0,
parameter PHY_0_AO_TOGGLE = 4'b0101, // odd bits are toggle (CKE)
parameter PHY_0_OF_ALMOST_FULL_VALUE = 1,
parameter PHY_0_IF_ALMOST_EMPTY_VALUE = 1,
// per lane parameters
parameter PHY_0_A_PI_FREQ_REF_DIV = "NONE",
parameter PHY_0_A_PI_CLKOUT_DIV = 2,
parameter PHY_0_A_PO_CLKOUT_DIV = 2,
parameter PHY_0_A_BURST_MODE = "TRUE",
parameter PHY_0_A_PI_OUTPUT_CLK_SRC = "DELAYED_REF",
parameter PHY_0_A_PO_OUTPUT_CLK_SRC = "DELAYED_REF",
parameter PHY_0_A_PO_OCLK_DELAY = 25,
parameter PHY_0_B_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_0_C_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_0_D_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_0_A_PO_OCLKDELAY_INV = "FALSE",
parameter PHY_0_A_OF_ARRAY_MODE = "ARRAY_MODE_8_X_4",
parameter PHY_0_B_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_C_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_D_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_A_IF_ARRAY_MODE = "ARRAY_MODE_8_X_4",
parameter PHY_0_B_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_C_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_D_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_0_A_OSERDES_DATA_RATE = "UNDECLARED",
parameter PHY_0_A_OSERDES_DATA_WIDTH = "UNDECLARED",
parameter PHY_0_B_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_0_B_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_0_C_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_0_C_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_0_D_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_0_D_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_0_A_IDELAYE2_IDELAY_TYPE = "VARIABLE",
parameter PHY_0_A_IDELAYE2_IDELAY_VALUE = 00,
parameter PHY_0_B_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_0_B_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_0_C_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_0_C_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_0_D_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_0_D_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
// common to instance 1
parameter PHY_1_BITLANES = PHY_0_BITLANES,
parameter PHY_1_BITLANES_OUTONLY = 48'h0000_0000_0000,
parameter PHY_1_LANE_REMAP = 16'h3210,
parameter PHY_1_GENERATE_IDELAYCTRL = "FALSE",
parameter PHY_1_IODELAY_GRP = PHY_0_IODELAY_GRP,
parameter PHY_1_DATA_CTL = DATA_CTL_B1,
parameter PHY_1_CMD_OFFSET = PHY_0_CMD_OFFSET,
parameter PHY_1_RD_CMD_OFFSET_0 = PHY_0_RD_CMD_OFFSET_0,
parameter PHY_1_RD_CMD_OFFSET_1 = PHY_0_RD_CMD_OFFSET_1,
parameter PHY_1_RD_CMD_OFFSET_2 = PHY_0_RD_CMD_OFFSET_2,
parameter PHY_1_RD_CMD_OFFSET_3 = PHY_0_RD_CMD_OFFSET_3,
parameter PHY_1_RD_DURATION_0 = PHY_0_RD_DURATION_0,
parameter PHY_1_RD_DURATION_1 = PHY_0_RD_DURATION_1,
parameter PHY_1_RD_DURATION_2 = PHY_0_RD_DURATION_2,
parameter PHY_1_RD_DURATION_3 = PHY_0_RD_DURATION_3,
parameter PHY_1_WR_CMD_OFFSET_0 = PHY_0_WR_CMD_OFFSET_0,
parameter PHY_1_WR_CMD_OFFSET_1 = PHY_0_WR_CMD_OFFSET_1,
parameter PHY_1_WR_CMD_OFFSET_2 = PHY_0_WR_CMD_OFFSET_2,
parameter PHY_1_WR_CMD_OFFSET_3 = PHY_0_WR_CMD_OFFSET_3,
parameter PHY_1_WR_DURATION_0 = PHY_0_WR_DURATION_0,
parameter PHY_1_WR_DURATION_1 = PHY_0_WR_DURATION_1,
parameter PHY_1_WR_DURATION_2 = PHY_0_WR_DURATION_2,
parameter PHY_1_WR_DURATION_3 = PHY_0_WR_DURATION_3,
parameter PHY_1_AO_WRLVL_EN = PHY_0_AO_WRLVL_EN,
parameter PHY_1_AO_TOGGLE = PHY_0_AO_TOGGLE, // odd bits are toggle (CKE)
parameter PHY_1_OF_ALMOST_FULL_VALUE = 1,
parameter PHY_1_IF_ALMOST_EMPTY_VALUE = 1,
// per lane parameters
parameter PHY_1_A_PI_FREQ_REF_DIV = PHY_0_A_PI_FREQ_REF_DIV,
parameter PHY_1_A_PI_CLKOUT_DIV = PHY_0_A_PI_CLKOUT_DIV,
parameter PHY_1_A_PO_CLKOUT_DIV = PHY_0_A_PO_CLKOUT_DIV,
parameter PHY_1_A_BURST_MODE = PHY_0_A_BURST_MODE,
parameter PHY_1_A_PI_OUTPUT_CLK_SRC = PHY_0_A_PI_OUTPUT_CLK_SRC,
parameter PHY_1_A_PO_OUTPUT_CLK_SRC = PHY_0_A_PO_OUTPUT_CLK_SRC ,
parameter PHY_1_A_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_1_B_PO_OCLK_DELAY = PHY_1_A_PO_OCLK_DELAY,
parameter PHY_1_C_PO_OCLK_DELAY = PHY_1_A_PO_OCLK_DELAY,
parameter PHY_1_D_PO_OCLK_DELAY = PHY_1_A_PO_OCLK_DELAY,
parameter PHY_1_A_PO_OCLKDELAY_INV = PHY_0_A_PO_OCLKDELAY_INV,
parameter PHY_1_A_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_A_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_B_IDELAYE2_IDELAY_TYPE = PHY_1_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_B_IDELAYE2_IDELAY_VALUE = PHY_1_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_C_IDELAYE2_IDELAY_TYPE = PHY_1_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_C_IDELAYE2_IDELAY_VALUE = PHY_1_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_D_IDELAYE2_IDELAY_TYPE = PHY_1_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_1_D_IDELAYE2_IDELAY_VALUE = PHY_1_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_1_A_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_B_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_C_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_D_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_A_IF_ARRAY_MODE = PHY_0_A_IF_ARRAY_MODE,
parameter PHY_1_B_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_C_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_D_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_1_A_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_A_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_1_B_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_B_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_1_C_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_C_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_1_D_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_1_D_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
// common to instance 2
parameter PHY_2_BITLANES = PHY_0_BITLANES,
parameter PHY_2_BITLANES_OUTONLY = 48'h0000_0000_0000,
parameter PHY_2_LANE_REMAP = 16'h3210,
parameter PHY_2_GENERATE_IDELAYCTRL = "FALSE",
parameter PHY_2_IODELAY_GRP = PHY_0_IODELAY_GRP,
parameter PHY_2_DATA_CTL = DATA_CTL_B2,
parameter PHY_2_CMD_OFFSET = PHY_0_CMD_OFFSET,
parameter PHY_2_RD_CMD_OFFSET_0 = PHY_0_RD_CMD_OFFSET_0,
parameter PHY_2_RD_CMD_OFFSET_1 = PHY_0_RD_CMD_OFFSET_1,
parameter PHY_2_RD_CMD_OFFSET_2 = PHY_0_RD_CMD_OFFSET_2,
parameter PHY_2_RD_CMD_OFFSET_3 = PHY_0_RD_CMD_OFFSET_3,
parameter PHY_2_RD_DURATION_0 = PHY_0_RD_DURATION_0,
parameter PHY_2_RD_DURATION_1 = PHY_0_RD_DURATION_1,
parameter PHY_2_RD_DURATION_2 = PHY_0_RD_DURATION_2,
parameter PHY_2_RD_DURATION_3 = PHY_0_RD_DURATION_3,
parameter PHY_2_WR_CMD_OFFSET_0 = PHY_0_WR_CMD_OFFSET_0,
parameter PHY_2_WR_CMD_OFFSET_1 = PHY_0_WR_CMD_OFFSET_1,
parameter PHY_2_WR_CMD_OFFSET_2 = PHY_0_WR_CMD_OFFSET_2,
parameter PHY_2_WR_CMD_OFFSET_3 = PHY_0_WR_CMD_OFFSET_3,
parameter PHY_2_WR_DURATION_0 = PHY_0_WR_DURATION_0,
parameter PHY_2_WR_DURATION_1 = PHY_0_WR_DURATION_1,
parameter PHY_2_WR_DURATION_2 = PHY_0_WR_DURATION_2,
parameter PHY_2_WR_DURATION_3 = PHY_0_WR_DURATION_3,
parameter PHY_2_AO_WRLVL_EN = PHY_0_AO_WRLVL_EN,
parameter PHY_2_AO_TOGGLE = PHY_0_AO_TOGGLE, // odd bits are toggle (CKE)
parameter PHY_2_OF_ALMOST_FULL_VALUE = 1,
parameter PHY_2_IF_ALMOST_EMPTY_VALUE = 1,
// per lane parameters
parameter PHY_2_A_PI_FREQ_REF_DIV = PHY_0_A_PI_FREQ_REF_DIV,
parameter PHY_2_A_PI_CLKOUT_DIV = PHY_0_A_PI_CLKOUT_DIV ,
parameter PHY_2_A_PO_CLKOUT_DIV = PHY_0_A_PO_CLKOUT_DIV,
parameter PHY_2_A_BURST_MODE = PHY_0_A_BURST_MODE ,
parameter PHY_2_A_PI_OUTPUT_CLK_SRC = PHY_0_A_PI_OUTPUT_CLK_SRC,
parameter PHY_2_A_PO_OUTPUT_CLK_SRC = PHY_0_A_PO_OUTPUT_CLK_SRC,
parameter PHY_2_A_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_B_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_C_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_D_OF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_A_IF_ARRAY_MODE = PHY_0_A_IF_ARRAY_MODE,
parameter PHY_2_B_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_C_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_D_IF_ARRAY_MODE = PHY_0_A_OF_ARRAY_MODE,
parameter PHY_2_A_PO_OCLK_DELAY = PHY_0_A_PO_OCLK_DELAY,
parameter PHY_2_B_PO_OCLK_DELAY = PHY_2_A_PO_OCLK_DELAY,
parameter PHY_2_C_PO_OCLK_DELAY = PHY_2_A_PO_OCLK_DELAY,
parameter PHY_2_D_PO_OCLK_DELAY = PHY_2_A_PO_OCLK_DELAY,
parameter PHY_2_A_PO_OCLKDELAY_INV = PHY_0_A_PO_OCLKDELAY_INV,
parameter PHY_2_A_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_A_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_B_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_B_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_C_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_C_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_D_OSERDES_DATA_RATE = PHY_0_A_OSERDES_DATA_RATE,
parameter PHY_2_D_OSERDES_DATA_WIDTH = PHY_0_A_OSERDES_DATA_WIDTH,
parameter PHY_2_A_IDELAYE2_IDELAY_TYPE = PHY_0_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_A_IDELAYE2_IDELAY_VALUE = PHY_0_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_2_B_IDELAYE2_IDELAY_TYPE = PHY_2_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_B_IDELAYE2_IDELAY_VALUE = PHY_2_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_2_C_IDELAYE2_IDELAY_TYPE = PHY_2_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_C_IDELAYE2_IDELAY_VALUE = PHY_2_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_2_D_IDELAYE2_IDELAY_TYPE = PHY_2_A_IDELAYE2_IDELAY_TYPE,
parameter PHY_2_D_IDELAYE2_IDELAY_VALUE = PHY_2_A_IDELAYE2_IDELAY_VALUE,
parameter PHY_0_IS_LAST_BANK = ((BYTE_LANES_B1 != 0) || (BYTE_LANES_B2 != 0) || (BYTE_LANES_B3 != 0) || (BYTE_LANES_B4 != 0)) ? "FALSE" : "TRUE",
parameter PHY_1_IS_LAST_BANK = ((BYTE_LANES_B1 != 0) && ((BYTE_LANES_B2 != 0) || (BYTE_LANES_B3 != 0) || (BYTE_LANES_B4 != 0))) ? "FALSE" : ((PHY_0_IS_LAST_BANK) ? "FALSE" : "TRUE"),
parameter PHY_2_IS_LAST_BANK = (BYTE_LANES_B2 != 0) && ((BYTE_LANES_B3 != 0) || (BYTE_LANES_B4 != 0)) ? "FALSE" : ((PHY_0_IS_LAST_BANK || PHY_1_IS_LAST_BANK) ? "FALSE" : "TRUE"),
parameter TCK = 2500,
// local computational use, do not pass down
parameter N_LANES = (0+BYTE_LANES_B0[0]) + (0+BYTE_LANES_B0[1]) + (0+BYTE_LANES_B0[2]) + (0+BYTE_LANES_B0[3])
+ (0+BYTE_LANES_B1[0]) + (0+BYTE_LANES_B1[1]) + (0+BYTE_LANES_B1[2]) + (0+BYTE_LANES_B1[3]) + (0+BYTE_LANES_B2[0]) + (0+BYTE_LANES_B2[1]) + (0+BYTE_LANES_B2[2]) + (0+BYTE_LANES_B2[3])
, // must not delete comma for syntax
parameter HIGHEST_BANK = (BYTE_LANES_B4 != 0 ? 5 : (BYTE_LANES_B3 != 0 ? 4 : (BYTE_LANES_B2 != 0 ? 3 : (BYTE_LANES_B1 != 0 ? 2 : 1)))),
parameter HIGHEST_LANE_B0 = ((PHY_0_IS_LAST_BANK == "FALSE") ? 4 : BYTE_LANES_B0[3] ? 4 : BYTE_LANES_B0[2] ? 3 : BYTE_LANES_B0[1] ? 2 : BYTE_LANES_B0[0] ? 1 : 0) ,
parameter HIGHEST_LANE_B1 = (HIGHEST_BANK > 2) ? 4 : ( BYTE_LANES_B1[3] ? 4 : BYTE_LANES_B1[2] ? 3 : BYTE_LANES_B1[1] ? 2 : BYTE_LANES_B1[0] ? 1 : 0) ,
parameter HIGHEST_LANE_B2 = (HIGHEST_BANK > 3) ? 4 : ( BYTE_LANES_B2[3] ? 4 : BYTE_LANES_B2[2] ? 3 : BYTE_LANES_B2[1] ? 2 : BYTE_LANES_B2[0] ? 1 : 0) ,
parameter HIGHEST_LANE_B3 = 0,
parameter HIGHEST_LANE_B4 = 0,
parameter HIGHEST_LANE = (HIGHEST_LANE_B4 != 0) ? (HIGHEST_LANE_B4+16) : ((HIGHEST_LANE_B3 != 0) ? (HIGHEST_LANE_B3 + 12) : ((HIGHEST_LANE_B2 != 0) ? (HIGHEST_LANE_B2 + 8) : ((HIGHEST_LANE_B1 != 0) ? (HIGHEST_LANE_B1 + 4) : HIGHEST_LANE_B0))),
parameter LP_DDR_CK_WIDTH = 2,
parameter GENERATE_SIGNAL_SPLIT = "FALSE"
,parameter CKE_ODT_AUX = "FALSE"
)
(
input rst,
input ddr_rst_in_n ,
input phy_clk,
input freq_refclk,
input mem_refclk,
input mem_refclk_div4,
input pll_lock,
input sync_pulse,
input auxout_clk,
input idelayctrl_refclk,
input [HIGHEST_LANE*80-1:0] phy_dout,
input phy_cmd_wr_en,
input phy_data_wr_en,
input phy_rd_en,
input [31:0] phy_ctl_wd,
input [3:0] aux_in_1,
input [3:0] aux_in_2,
input [5:0] data_offset_1,
input [5:0] data_offset_2,
input phy_ctl_wr,
input if_rst,
input if_empty_def,
input cke_in,
input idelay_ce,
input idelay_ld,
input idelay_inc,
input phyGo,
input input_sink,
output if_a_empty,
output if_empty /* synthesis syn_maxfan = 3 */,
output if_empty_or,
output if_empty_and,
output of_ctl_a_full,
output of_data_a_full,
output of_ctl_full,
output of_data_full,
output pre_data_a_full,
output [HIGHEST_LANE*80-1:0] phy_din,
output phy_ctl_a_full,
output wire [3:0] phy_ctl_full,
output [HIGHEST_LANE*12-1:0] mem_dq_out,
output [HIGHEST_LANE*12-1:0] mem_dq_ts,
input [HIGHEST_LANE*10-1:0] mem_dq_in,
output [HIGHEST_LANE-1:0] mem_dqs_out,
output [HIGHEST_LANE-1:0] mem_dqs_ts,
input [HIGHEST_LANE-1:0] mem_dqs_in,
(* IOB = "FORCE" *) output reg [(((HIGHEST_LANE+3)/4)*4)-1:0] aux_out, // to memory, odt , 4 per phy controller
output phy_ctl_ready, // to fabric
output reg rst_out, // to memory
output [(NUM_DDR_CK * LP_DDR_CK_WIDTH)-1:0] ddr_clk,
// output rclk,
output mcGo,
output ref_dll_lock,
// calibration signals
input phy_write_calib,
input phy_read_calib,
input [5:0] calib_sel,
input [HIGHEST_BANK-1:0]calib_zero_inputs, // bit calib_sel[2], one per bank
input [HIGHEST_BANK-1:0]calib_zero_ctrl, // one bit per bank, zero's only control lane calibration inputs
input [HIGHEST_LANE-1:0] calib_zero_lanes, // one bit per lane
input calib_in_common,
input [2:0] po_fine_enable,
input [2:0] po_coarse_enable,
input [2:0] po_fine_inc,
input [2:0] po_coarse_inc,
input po_counter_load_en,
input [2:0] po_sel_fine_oclk_delay,
input [8:0] po_counter_load_val,
input po_counter_read_en,
output reg po_coarse_overflow,
output reg po_fine_overflow,
output reg [8:0] po_counter_read_val,
input [HIGHEST_BANK-1:0] pi_rst_dqs_find,
input pi_fine_enable,
input pi_fine_inc,
input pi_counter_load_en,
input pi_counter_read_en,
input [5:0] pi_counter_load_val,
output reg pi_fine_overflow,
output reg [5:0] pi_counter_read_val,
output reg pi_phase_locked,
output pi_phase_locked_all,
output reg pi_dqs_found,
output pi_dqs_found_all,
output pi_dqs_found_any,
output [HIGHEST_LANE-1:0] pi_phase_locked_lanes,
output [HIGHEST_LANE-1:0] pi_dqs_found_lanes,
output reg pi_dqs_out_of_range,
input [29:0] fine_delay,
input fine_delay_sel
);
wire [7:0] calib_zero_inputs_int ;
wire [HIGHEST_BANK*4-1:0] calib_zero_lanes_int ;
//Added the temporary variable for concadination operation
wire [2:0] calib_sel_byte0 ;
wire [2:0] calib_sel_byte1 ;
wire [2:0] calib_sel_byte2 ;
wire [4:0] po_coarse_overflow_w;
wire [4:0] po_fine_overflow_w;
wire [8:0] po_counter_read_val_w[4:0];
wire [4:0] pi_fine_overflow_w;
wire [5:0] pi_counter_read_val_w[4:0];
wire [4:0] pi_dqs_found_w;
wire [4:0] pi_dqs_found_all_w;
wire [4:0] pi_dqs_found_any_w;
wire [4:0] pi_dqs_out_of_range_w;
wire [4:0] pi_phase_locked_w;
wire [4:0] pi_phase_locked_all_w;
wire [4:0] rclk_w;
wire [HIGHEST_BANK-1:0] phy_ctl_ready_w;
wire [(LP_DDR_CK_WIDTH*24)-1:0] ddr_clk_w [HIGHEST_BANK-1:0];
wire [(((HIGHEST_LANE+3)/4)*4)-1:0] aux_out_;
wire [3:0] if_q0;
wire [3:0] if_q1;
wire [3:0] if_q2;
wire [3:0] if_q3;
wire [3:0] if_q4;
wire [7:0] if_q5;
wire [7:0] if_q6;
wire [3:0] if_q7;
wire [3:0] if_q8;
wire [3:0] if_q9;
wire [31:0] _phy_ctl_wd;
wire [3:0] aux_in_[4:1];
wire [3:0] rst_out_w;
wire freq_refclk_split;
wire mem_refclk_split;
wire mem_refclk_div4_split;
wire sync_pulse_split;
wire phy_clk_split0;
wire phy_ctl_clk_split0;
wire [31:0] phy_ctl_wd_split0;
wire phy_ctl_wr_split0;
wire phy_ctl_clk_split1;
wire phy_clk_split1;
wire [31:0] phy_ctl_wd_split1;
wire phy_ctl_wr_split1;
wire [5:0] phy_data_offset_1_split1;
wire phy_ctl_clk_split2;
wire phy_clk_split2;
wire [31:0] phy_ctl_wd_split2;
wire phy_ctl_wr_split2;
wire [5:0] phy_data_offset_2_split2;
wire [HIGHEST_LANE*80-1:0] phy_dout_split0;
wire phy_cmd_wr_en_split0;
wire phy_data_wr_en_split0;
wire phy_rd_en_split0;
wire [HIGHEST_LANE*80-1:0] phy_dout_split1;
wire phy_cmd_wr_en_split1;
wire phy_data_wr_en_split1;
wire phy_rd_en_split1;
wire [HIGHEST_LANE*80-1:0] phy_dout_split2;
wire phy_cmd_wr_en_split2;
wire phy_data_wr_en_split2;
wire phy_rd_en_split2;
wire phy_ctl_mstr_empty;
wire [HIGHEST_BANK-1:0] phy_ctl_empty;
wire _phy_ctl_a_full_f;
wire _phy_ctl_a_empty_f;
wire _phy_ctl_full_f;
wire _phy_ctl_empty_f;
wire [HIGHEST_BANK-1:0] _phy_ctl_a_full_p;
wire [HIGHEST_BANK-1:0] _phy_ctl_full_p;
wire [HIGHEST_BANK-1:0] of_ctl_a_full_v;
wire [HIGHEST_BANK-1:0] of_ctl_full_v;
wire [HIGHEST_BANK-1:0] of_data_a_full_v;
wire [HIGHEST_BANK-1:0] of_data_full_v;
wire [HIGHEST_BANK-1:0] pre_data_a_full_v;
wire [HIGHEST_BANK-1:0] if_empty_v;
wire [HIGHEST_BANK-1:0] byte_rd_en_v;
wire [HIGHEST_BANK*2-1:0] byte_rd_en_oth_banks;
wire [HIGHEST_BANK-1:0] if_empty_or_v;
wire [HIGHEST_BANK-1:0] if_empty_and_v;
wire [HIGHEST_BANK-1:0] if_a_empty_v;
localparam IF_ARRAY_MODE = "ARRAY_MODE_4_X_4";
localparam IF_SYNCHRONOUS_MODE = "FALSE";
localparam IF_SLOW_WR_CLK = "FALSE";
localparam IF_SLOW_RD_CLK = "FALSE";
localparam PHY_MULTI_REGION = (HIGHEST_BANK > 1) ? "TRUE" : "FALSE";
localparam RCLK_NEG_EDGE = 3'b000;
localparam RCLK_POS_EDGE = 3'b111;
localparam LP_PHY_0_BYTELANES_DDR_CK = BYTELANES_DDR_CK & 24'hFF_FFFF;
localparam LP_PHY_1_BYTELANES_DDR_CK = (BYTELANES_DDR_CK >> 24) & 24'hFF_FFFF;
localparam LP_PHY_2_BYTELANES_DDR_CK = (BYTELANES_DDR_CK >> 48) & 24'hFF_FFFF;
// hi, lo positions for data offset field, MIG doesn't allow defines
localparam PC_DATA_OFFSET_RANGE_HI = 22;
localparam PC_DATA_OFFSET_RANGE_LO = 17;
/* Phaser_In Output source coding table
"PHASE_REF" : 4'b0000;
"DELAYED_MEM_REF" : 4'b0101;
"DELAYED_PHASE_REF" : 4'b0011;
"DELAYED_REF" : 4'b0001;
"FREQ_REF" : 4'b1000;
"MEM_REF" : 4'b0010;
*/
localparam RCLK_PI_OUTPUT_CLK_SRC = "DELAYED_MEM_REF";
localparam DDR_TCK = TCK;
localparam real FREQ_REF_PERIOD = DDR_TCK / (PHY_0_A_PI_FREQ_REF_DIV == "DIV2" ? 2 : 1);
localparam real L_FREQ_REF_PERIOD_NS = FREQ_REF_PERIOD /1000.0;
localparam PO_S3_TAPS = 64 ; // Number of taps per clock cycle in OCLK_DELAYED delay line
localparam PI_S2_TAPS = 128 ; // Number of taps per clock cycle in stage 2 delay line
localparam PO_S2_TAPS = 128 ; // Number of taps per clock cycle in sta
/*
Intrinsic delay of Phaser In Stage 1
@3300ps - 1.939ns - 58.8%
@2500ps - 1.657ns - 66.3%
@1875ps - 1.263ns - 67.4%
@1500ps - 1.021ns - 68.1%
@1250ps - 0.868ns - 69.4%
@1072ps - 0.752ns - 70.1%
@938ps - 0.667ns - 71.1%
*/
// If we use the Delayed Mem_Ref_Clk in the RCLK Phaser_In, then the Stage 1 intrinsic delay is 0.0
// Fraction of a full DDR_TCK period
localparam real PI_STG1_INTRINSIC_DELAY = (RCLK_PI_OUTPUT_CLK_SRC == "DELAYED_MEM_REF") ? 0.0 :
((DDR_TCK < 1005) ? 0.667 :
(DDR_TCK < 1160) ? 0.752 :
(DDR_TCK < 1375) ? 0.868 :
(DDR_TCK < 1685) ? 1.021 :
(DDR_TCK < 2185) ? 1.263 :
(DDR_TCK < 2900) ? 1.657 :
(DDR_TCK < 3100) ? 1.771 : 1.939)*1000;
/*
Intrinsic delay of Phaser In Stage 2
@3300ps - 0.912ns - 27.6% - single tap - 13ps
@3000ps - 0.848ns - 28.3% - single tap - 11ps
@2500ps - 1.264ns - 50.6% - single tap - 19ps
@1875ps - 1.000ns - 53.3% - single tap - 15ps
@1500ps - 0.848ns - 56.5% - single tap - 11ps
@1250ps - 0.736ns - 58.9% - single tap - 9ps
@1072ps - 0.664ns - 61.9% - single tap - 8ps
@938ps - 0.608ns - 64.8% - single tap - 7ps
*/
// Intrinsic delay = (.4218 + .0002freq(MHz))period(ps)
localparam real PI_STG2_INTRINSIC_DELAY = (0.4218*FREQ_REF_PERIOD + 200) + 16.75; // 12ps fudge factor
/*
Intrinsic delay of Phaser Out Stage 2 - coarse bypass = 1
@3300ps - 1.294ns - 39.2%
@2500ps - 1.294ns - 51.8%
@1875ps - 1.030ns - 54.9%
@1500ps - 0.878ns - 58.5%
@1250ps - 0.766ns - 61.3%
@1072ps - 0.694ns - 64.7%
@938ps - 0.638ns - 68.0%
Intrinsic delay of Phaser Out Stage 2 - coarse bypass = 0
@3300ps - 2.084ns - 63.2% - single tap - 20ps
@2500ps - 2.084ns - 81.9% - single tap - 19ps
@1875ps - 1.676ns - 89.4% - single tap - 15ps
@1500ps - 1.444ns - 96.3% - single tap - 11ps
@1250ps - 1.276ns - 102.1% - single tap - 9ps
@1072ps - 1.164ns - 108.6% - single tap - 8ps
@938ps - 1.076ns - 114.7% - single tap - 7ps
*/
// Fraction of a full DDR_TCK period
localparam real PO_STG1_INTRINSIC_DELAY = 0;
localparam real PO_STG2_FINE_INTRINSIC_DELAY = 0.4218*FREQ_REF_PERIOD + 200 + 42; // 42ps fudge factor
localparam real PO_STG2_COARSE_INTRINSIC_DELAY = 0.2256*FREQ_REF_PERIOD + 200 + 29; // 29ps fudge factor
localparam real PO_STG2_INTRINSIC_DELAY = PO_STG2_FINE_INTRINSIC_DELAY +
(PO_CTL_COARSE_BYPASS == "TRUE" ? 30 : PO_STG2_COARSE_INTRINSIC_DELAY);
// When the PO_STG2_INTRINSIC_DELAY is approximately equal to tCK, then the Phaser Out's circular buffer can
// go metastable. The circular buffer must be prevented from getting into a metastable state. To accomplish this,
// a default programmed value must be programmed into the stage 2 delay. This delay is only needed at reset, adjustments
// to the stage 2 delay can be made after reset is removed.
localparam real PO_S2_TAPS_SIZE = 1.0*FREQ_REF_PERIOD / PO_S2_TAPS ; // average delay of taps in stage 2 fine delay line
localparam real PO_CIRC_BUF_META_ZONE = 200.0;
localparam PO_CIRC_BUF_EARLY = (PO_STG2_INTRINSIC_DELAY < DDR_TCK) ? 1'b1 : 1'b0;
localparam real PO_CIRC_BUF_OFFSET = (PO_STG2_INTRINSIC_DELAY < DDR_TCK) ? DDR_TCK - PO_STG2_INTRINSIC_DELAY : PO_STG2_INTRINSIC_DELAY - DDR_TCK;
// If the stage 2 intrinsic delay is less than the clock period, then see if it is less than the threshold
// If it is not more than the threshold than we must push the delay after the clock period plus a guardband.
//A change in PO_CIRC_BUF_DELAY value will affect the localparam TAP_DEC value(=PO_CIRC_BUF_DELAY - 31) in ddr_phy_ck_addr_cmd_delay.v. Update TAP_DEC value when PO_CIRC_BUF_DELAY is updated.
localparam integer PO_CIRC_BUF_DELAY = 60;
//localparam integer PO_CIRC_BUF_DELAY = PO_CIRC_BUF_EARLY ? (PO_CIRC_BUF_OFFSET > PO_CIRC_BUF_META_ZONE) ? 0 :
// (PO_CIRC_BUF_META_ZONE + PO_CIRC_BUF_OFFSET) / PO_S2_TAPS_SIZE :
// (PO_CIRC_BUF_META_ZONE - PO_CIRC_BUF_OFFSET) / PO_S2_TAPS_SIZE;
localparam real PI_S2_TAPS_SIZE = 1.0*FREQ_REF_PERIOD / PI_S2_TAPS ; // average delay of taps in stage 2 fine delay line
localparam real PI_MAX_STG2_DELAY = (PI_S2_TAPS/2 - 1) * PI_S2_TAPS_SIZE;
localparam real PI_INTRINSIC_DELAY = PI_STG1_INTRINSIC_DELAY + PI_STG2_INTRINSIC_DELAY;
localparam real PO_INTRINSIC_DELAY = PO_STG1_INTRINSIC_DELAY + PO_STG2_INTRINSIC_DELAY;
localparam real PO_DELAY = PO_INTRINSIC_DELAY + (PO_CIRC_BUF_DELAY*PO_S2_TAPS_SIZE);
localparam RCLK_BUFIO_DELAY = 1200; // estimate of clock insertion delay of rclk through BUFIO to ioi
// The PI_OFFSET is the difference between the Phaser Out delay path and the intrinsic delay path
// of the Phaser_In that drives the rclk. The objective is to align either the rising edges of the
// oserdes_oclk and the rclk or to align the rising to falling edges depending on which adjustment
// is within the range of the stage 2 delay line in the Phaser_In.
localparam integer RCLK_DELAY_INT= (PI_INTRINSIC_DELAY + RCLK_BUFIO_DELAY);
localparam integer PO_DELAY_INT = PO_DELAY;
localparam PI_OFFSET = (PO_DELAY_INT % DDR_TCK) - (RCLK_DELAY_INT % DDR_TCK);
// if pi_offset >= 0 align to oclk posedge by delaying pi path to where oclk is
// if pi_offset < 0 align to oclk negedge by delaying pi path the additional distance to next oclk edge.
// note that in this case PI_OFFSET is negative so invert before subtracting.
localparam real PI_STG2_DELAY_CAND = PI_OFFSET >= 0
? PI_OFFSET
: ((-PI_OFFSET) < DDR_TCK/2) ?
(DDR_TCK/2 - (- PI_OFFSET)) :
(DDR_TCK - (- PI_OFFSET)) ;
localparam real PI_STG2_DELAY =
(PI_STG2_DELAY_CAND > PI_MAX_STG2_DELAY ?
PI_MAX_STG2_DELAY : PI_STG2_DELAY_CAND);
localparam integer DEFAULT_RCLK_DELAY = PI_STG2_DELAY / PI_S2_TAPS_SIZE;
localparam LP_RCLK_SELECT_EDGE = (RCLK_SELECT_EDGE != 4'b1111 ) ? RCLK_SELECT_EDGE : (PI_OFFSET >= 0 ? RCLK_POS_EDGE : (PI_OFFSET <= TCK/2 ? RCLK_NEG_EDGE : RCLK_POS_EDGE));
localparam integer L_PHY_0_PO_FINE_DELAY = PO_CIRC_BUF_DELAY ;
localparam integer L_PHY_1_PO_FINE_DELAY = PO_CIRC_BUF_DELAY ;
localparam integer L_PHY_2_PO_FINE_DELAY = PO_CIRC_BUF_DELAY ;
localparam L_PHY_0_A_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[0]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_B_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[1]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_C_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[2]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_D_PI_FINE_DELAY = (RCLK_SELECT_BANK == 0 && ! DATA_CTL_B0[3]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_A_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[0]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_B_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[1]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_C_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[2]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_1_D_PI_FINE_DELAY = (RCLK_SELECT_BANK == 1 && ! DATA_CTL_B1[3]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_A_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[0]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_B_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[1]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_C_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[2]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_2_D_PI_FINE_DELAY = (RCLK_SELECT_BANK == 2 && ! DATA_CTL_B2[3]) ? DEFAULT_RCLK_DELAY : 33 ;
localparam L_PHY_0_A_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "A") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_0_B_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "B") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_0_C_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "C") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_0_D_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 0) ? (RCLK_SELECT_LANE == "D") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC : PHY_0_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_A_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "A") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_B_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "B") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_C_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "C") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_1_D_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 1) ? (RCLK_SELECT_LANE == "D") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC : PHY_1_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_A_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "A") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_B_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "B") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_C_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "C") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
localparam L_PHY_2_D_PI_OUTPUT_CLK_SRC = (RCLK_SELECT_BANK == 2) ? (RCLK_SELECT_LANE == "D") ? RCLK_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC : PHY_2_A_PI_OUTPUT_CLK_SRC;
wire _phy_clk;
wire [2:0] mcGo_w;
wire [HIGHEST_BANK-1:0] ref_dll_lock_w;
reg [15:0] mcGo_r;
assign ref_dll_lock = & ref_dll_lock_w;
initial begin
if ( SYNTHESIS == "FALSE" ) begin
$display("%m : BYTE_LANES_B0 = %x BYTE_LANES_B1 = %x DATA_CTL_B0 = %x DATA_CTL_B1 = %x", BYTE_LANES_B0, BYTE_LANES_B1, DATA_CTL_B0, DATA_CTL_B1);
$display("%m : HIGHEST_LANE = %d HIGHEST_LANE_B0 = %d HIGHEST_LANE_B1 = %d", HIGHEST_LANE, HIGHEST_LANE_B0, HIGHEST_LANE_B1);
$display("%m : HIGHEST_BANK = %d", HIGHEST_BANK);
$display("%m : FREQ_REF_PERIOD = %0.2f ", FREQ_REF_PERIOD);
$display("%m : DDR_TCK = %0d ", DDR_TCK);
$display("%m : PO_S2_TAPS_SIZE = %0.2f ", PO_S2_TAPS_SIZE);
$display("%m : PO_CIRC_BUF_EARLY = %0d ", PO_CIRC_BUF_EARLY);
$display("%m : PO_CIRC_BUF_OFFSET = %0.2f ", PO_CIRC_BUF_OFFSET);
$display("%m : PO_CIRC_BUF_META_ZONE = %0.2f ", PO_CIRC_BUF_META_ZONE);
$display("%m : PO_STG2_FINE_INTR_DLY = %0.2f ", PO_STG2_FINE_INTRINSIC_DELAY);
$display("%m : PO_STG2_COARSE_INTR_DLY = %0.2f ", PO_STG2_COARSE_INTRINSIC_DELAY);
$display("%m : PO_STG2_INTRINSIC_DELAY = %0.2f ", PO_STG2_INTRINSIC_DELAY);
$display("%m : PO_CIRC_BUF_DELAY = %0d ", PO_CIRC_BUF_DELAY);
$display("%m : PO_INTRINSIC_DELAY = %0.2f ", PO_INTRINSIC_DELAY);
$display("%m : PO_DELAY = %0.2f ", PO_DELAY);
$display("%m : PO_OCLK_DELAY = %0d ", PHY_0_A_PO_OCLK_DELAY);
$display("%m : L_PHY_0_PO_FINE_DELAY = %0d ", L_PHY_0_PO_FINE_DELAY);
$display("%m : PI_STG1_INTRINSIC_DELAY = %0.2f ", PI_STG1_INTRINSIC_DELAY);
$display("%m : PI_STG2_INTRINSIC_DELAY = %0.2f ", PI_STG2_INTRINSIC_DELAY);
$display("%m : PI_INTRINSIC_DELAY = %0.2f ", PI_INTRINSIC_DELAY);
$display("%m : PI_MAX_STG2_DELAY = %0.2f ", PI_MAX_STG2_DELAY);
$display("%m : PI_OFFSET = %0.2f ", PI_OFFSET);
if ( PI_OFFSET < 0) $display("%m : a negative PI_OFFSET means that rclk path is longer than oclk path so rclk will be delayed to next oclk edge and the negedge of rclk may be used.");
$display("%m : PI_STG2_DELAY = %0.2f ", PI_STG2_DELAY);
$display("%m :PI_STG2_DELAY_CAND = %0.2f ",PI_STG2_DELAY_CAND);
$display("%m : DEFAULT_RCLK_DELAY = %0d ", DEFAULT_RCLK_DELAY);
$display("%m : RCLK_SELECT_EDGE = %0b ", LP_RCLK_SELECT_EDGE);
end // SYNTHESIS
if ( PI_STG2_DELAY_CAND > PI_MAX_STG2_DELAY) $display("WARNING: %m: The required delay though the phaser_in to internally match the aux_out clock to ddr clock exceeds the maximum allowable delay. The clock edge will occur at the output registers of aux_out %0.2f ps before the ddr clock edge. If aux_out is used for memory inputs, this may violate setup or hold time.", PI_STG2_DELAY_CAND - PI_MAX_STG2_DELAY);
end
assign sync_pulse_split = sync_pulse;
assign mem_refclk_split = mem_refclk;
assign freq_refclk_split = freq_refclk;
assign mem_refclk_div4_split = mem_refclk_div4;
assign phy_ctl_clk_split0 = _phy_clk;
assign phy_ctl_wd_split0 = phy_ctl_wd;
assign phy_ctl_wr_split0 = phy_ctl_wr;
assign phy_clk_split0 = phy_clk;
assign phy_cmd_wr_en_split0 = phy_cmd_wr_en;
assign phy_data_wr_en_split0 = phy_data_wr_en;
assign phy_rd_en_split0 = phy_rd_en;
assign phy_dout_split0 = phy_dout;
assign phy_ctl_clk_split1 = phy_clk;
assign phy_ctl_wd_split1 = phy_ctl_wd;
assign phy_data_offset_1_split1 = data_offset_1;
assign phy_ctl_wr_split1 = phy_ctl_wr;
assign phy_clk_split1 = phy_clk;
assign phy_cmd_wr_en_split1 = phy_cmd_wr_en;
assign phy_data_wr_en_split1 = phy_data_wr_en;
assign phy_rd_en_split1 = phy_rd_en;
assign phy_dout_split1 = phy_dout;
assign phy_ctl_clk_split2 = phy_clk;
assign phy_ctl_wd_split2 = phy_ctl_wd;
assign phy_data_offset_2_split2 = data_offset_2;
assign phy_ctl_wr_split2 = phy_ctl_wr;
assign phy_clk_split2 = phy_clk;
assign phy_cmd_wr_en_split2 = phy_cmd_wr_en;
assign phy_data_wr_en_split2 = phy_data_wr_en;
assign phy_rd_en_split2 = phy_rd_en;
assign phy_dout_split2 = phy_dout;
// these wires are needed to coerce correct synthesis
// the synthesizer did not always see the widths of the
// parameters as 4 bits.
wire [3:0] blb0 = BYTE_LANES_B0;
wire [3:0] blb1 = BYTE_LANES_B1;
wire [3:0] blb2 = BYTE_LANES_B2;
wire [3:0] dcb0 = DATA_CTL_B0;
wire [3:0] dcb1 = DATA_CTL_B1;
wire [3:0] dcb2 = DATA_CTL_B2;
assign pi_dqs_found_all = & (pi_dqs_found_lanes | ~ {blb2, blb1, blb0} | ~ {dcb2, dcb1, dcb0});
assign pi_dqs_found_any = | (pi_dqs_found_lanes & {blb2, blb1, blb0} & {dcb2, dcb1, dcb0});
assign pi_phase_locked_all = & pi_phase_locked_all_w[HIGHEST_BANK-1:0];
assign calib_zero_inputs_int = {3'bxxx, calib_zero_inputs};
//Added to remove concadination in the instantiation
assign calib_sel_byte0 = {calib_zero_inputs_int[0], calib_sel[1:0]} ;
assign calib_sel_byte1 = {calib_zero_inputs_int[1], calib_sel[1:0]} ;
assign calib_sel_byte2 = {calib_zero_inputs_int[2], calib_sel[1:0]} ;
assign calib_zero_lanes_int = calib_zero_lanes;
assign phy_ctl_ready = &phy_ctl_ready_w[HIGHEST_BANK-1:0];
assign phy_ctl_mstr_empty = phy_ctl_empty[MASTER_PHY_CTL];
assign of_ctl_a_full = |of_ctl_a_full_v;
assign of_ctl_full = |of_ctl_full_v;
assign of_data_a_full = |of_data_a_full_v;
assign of_data_full = |of_data_full_v;
assign pre_data_a_full= |pre_data_a_full_v;
// if if_empty_def == 1, empty is asserted only if all are empty;
// this allows the user to detect a skewed fifo depth and self-clear
// if desired. It avoids a reset to clear the flags.
assign if_empty = !if_empty_def ? |if_empty_v : &if_empty_v;
assign if_empty_or = |if_empty_or_v;
assign if_empty_and = &if_empty_and_v;
assign if_a_empty = |if_a_empty_v;
generate
genvar i;
for (i = 0; i != NUM_DDR_CK; i = i + 1) begin : ddr_clk_gen
case ((GENERATE_DDR_CK_MAP >> (16*i)) & 16'hffff)
16'h3041: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i)) & 2'b11;
16'h3042: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i+12)) & 2'b11;
16'h3043: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i+24)) & 2'b11;
16'h3044: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[0] >> (LP_DDR_CK_WIDTH*i+36)) & 2'b11;
16'h3141: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i)) & 2'b11;
16'h3142: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i+12)) & 2'b11;
16'h3143: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i+24)) & 2'b11;
16'h3144: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[1] >> (LP_DDR_CK_WIDTH*i+36)) & 2'b11;
16'h3241: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i)) & 2'b11;
16'h3242: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i+12)) & 2'b11;
16'h3243: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i+24)) & 2'b11;
16'h3244: assign ddr_clk[(i+1)*LP_DDR_CK_WIDTH-1:(i*LP_DDR_CK_WIDTH)] = (ddr_clk_w[2] >> (LP_DDR_CK_WIDTH*i+36)) & 2'b11;
default : initial $display("ERROR: mc_phy ddr_clk_gen : invalid specification for parameter GENERATE_DDR_CK_MAP , clock index = %d, spec= %x (hex) ", i, (( GENERATE_DDR_CK_MAP >> (16 * i )) & 16'hffff ));
endcase
end
endgenerate
//assign rclk = rclk_w[RCLK_SELECT_BANK];
reg rst_auxout;
reg rst_auxout_r;
reg rst_auxout_rr;
always @(posedge auxout_clk or posedge rst) begin
if ( rst) begin
rst_auxout_r <= #(1) 1'b1;
rst_auxout_rr <= #(1) 1'b1;
end
else begin
rst_auxout_r <= #(1) rst;
rst_auxout_rr <= #(1) rst_auxout_r;
end
end
if ( LP_RCLK_SELECT_EDGE[0]) begin
always @(posedge auxout_clk or posedge rst) begin
if ( rst) begin
rst_auxout <= #(1) 1'b1;
end
else begin
rst_auxout <= #(1) rst_auxout_rr;
end
end
end
else begin
always @(negedge auxout_clk or posedge rst) begin
if ( rst) begin
rst_auxout <= #(1) 1'b1;
end
else begin
rst_auxout <= #(1) rst_auxout_rr;
end
end
end
localparam L_RESET_SELECT_BANK =
(BYTE_LANES_B1 == 0 && BYTE_LANES_B2 == 0 && RCLK_SELECT_BANK) ? 0 : RCLK_SELECT_BANK;
always @(*) begin
rst_out = rst_out_w[L_RESET_SELECT_BANK] & ddr_rst_in_n;
end
always @(posedge phy_clk) begin
if ( rst)
mcGo_r <= #(1) 0;
else
mcGo_r <= #(1) (mcGo_r << 1) | &mcGo_w;
end
assign mcGo = mcGo_r[15];
generate
// this is an optional 1 clock delay to add latency to the phy_control programming path
if (PHYCTL_CMD_FIFO == "TRUE") begin : cmd_fifo_soft
reg [31:0] phy_wd_reg = 0;
reg [3:0] aux_in1_reg = 0;
reg [3:0] aux_in2_reg = 0;
reg sfifo_ready = 0;
assign _phy_ctl_wd = phy_wd_reg;
assign aux_in_[1] = aux_in1_reg;
assign aux_in_[2] = aux_in2_reg;
assign phy_ctl_a_full = |_phy_ctl_a_full_p;
assign phy_ctl_full[0] = |_phy_ctl_full_p;
assign phy_ctl_full[1] = |_phy_ctl_full_p;
assign phy_ctl_full[2] = |_phy_ctl_full_p;
assign phy_ctl_full[3] = |_phy_ctl_full_p;
assign _phy_clk = phy_clk;
always @(posedge phy_clk) begin
phy_wd_reg <= #1 phy_ctl_wd;
aux_in1_reg <= #1 aux_in_1;
aux_in2_reg <= #1 aux_in_2;
sfifo_ready <= #1 phy_ctl_wr;
end
end
else if (PHYCTL_CMD_FIFO == "FALSE") begin
assign _phy_ctl_wd = phy_ctl_wd;
assign aux_in_[1] = aux_in_1;
assign aux_in_[2] = aux_in_2;
assign phy_ctl_a_full = |_phy_ctl_a_full_p;
assign phy_ctl_full[0] = |_phy_ctl_full_p;
assign phy_ctl_full[3:1] = 3'b000;
assign _phy_clk = phy_clk;
end
endgenerate
// instance of four-lane phy
generate
if (HIGHEST_BANK == 3) begin : banks_3
assign byte_rd_en_oth_banks[1:0] = {byte_rd_en_v[1],byte_rd_en_v[2]};
assign byte_rd_en_oth_banks[3:2] = {byte_rd_en_v[0],byte_rd_en_v[2]};
assign byte_rd_en_oth_banks[5:4] = {byte_rd_en_v[0],byte_rd_en_v[1]};
end
else if (HIGHEST_BANK == 2) begin : banks_2
assign byte_rd_en_oth_banks[1:0] = {byte_rd_en_v[1],1'b1};
assign byte_rd_en_oth_banks[3:2] = {byte_rd_en_v[0],1'b1};
end
else begin : banks_1
assign byte_rd_en_oth_banks[1:0] = {1'b1,1'b1};
end
if ( BYTE_LANES_B0 != 0) begin : ddr_phy_4lanes_0
mig_7series_v2_3_ddr_phy_4lanes #
(
.BYTE_LANES (BYTE_LANES_B0), /* four bits, one per lanes */
.DATA_CTL_N (PHY_0_DATA_CTL), /* four bits, one per lane */
.PO_CTL_COARSE_BYPASS (PO_CTL_COARSE_BYPASS),
.PO_FINE_DELAY (L_PHY_0_PO_FINE_DELAY),
.BITLANES (PHY_0_BITLANES),
.BITLANES_OUTONLY (PHY_0_BITLANES_OUTONLY),
.BYTELANES_DDR_CK (LP_PHY_0_BYTELANES_DDR_CK),
.LAST_BANK (PHY_0_IS_LAST_BANK),
.LANE_REMAP (PHY_0_LANE_REMAP),
.OF_ALMOST_FULL_VALUE (PHY_0_OF_ALMOST_FULL_VALUE),
.IF_ALMOST_EMPTY_VALUE (PHY_0_IF_ALMOST_EMPTY_VALUE),
.GENERATE_IDELAYCTRL (PHY_0_GENERATE_IDELAYCTRL),
.IODELAY_GRP (PHY_0_IODELAY_GRP),
.FPGA_SPEED_GRADE (FPGA_SPEED_GRADE),
.BANK_TYPE (BANK_TYPE),
.NUM_DDR_CK (NUM_DDR_CK),
.TCK (TCK),
.RCLK_SELECT_LANE (RCLK_SELECT_LANE),
.USE_PRE_POST_FIFO (USE_PRE_POST_FIFO),
.SYNTHESIS (SYNTHESIS),
.PC_CLK_RATIO (PHY_CLK_RATIO),
.PC_EVENTS_DELAY (PHY_EVENTS_DELAY),
.PC_FOUR_WINDOW_CLOCKS (PHY_FOUR_WINDOW_CLOCKS),
.PC_BURST_MODE (PHY_0_A_BURST_MODE),
.PC_SYNC_MODE (PHY_SYNC_MODE),
.PC_MULTI_REGION (PHY_MULTI_REGION),
.PC_PHY_COUNT_EN (PHY_COUNT_EN),
.PC_DISABLE_SEQ_MATCH (PHY_DISABLE_SEQ_MATCH),
.PC_CMD_OFFSET (PHY_0_CMD_OFFSET),
.PC_RD_CMD_OFFSET_0 (PHY_0_RD_CMD_OFFSET_0),
.PC_RD_CMD_OFFSET_1 (PHY_0_RD_CMD_OFFSET_1),
.PC_RD_CMD_OFFSET_2 (PHY_0_RD_CMD_OFFSET_2),
.PC_RD_CMD_OFFSET_3 (PHY_0_RD_CMD_OFFSET_3),
.PC_RD_DURATION_0 (PHY_0_RD_DURATION_0),
.PC_RD_DURATION_1 (PHY_0_RD_DURATION_1),
.PC_RD_DURATION_2 (PHY_0_RD_DURATION_2),
.PC_RD_DURATION_3 (PHY_0_RD_DURATION_3),
.PC_WR_CMD_OFFSET_0 (PHY_0_WR_CMD_OFFSET_0),
.PC_WR_CMD_OFFSET_1 (PHY_0_WR_CMD_OFFSET_1),
.PC_WR_CMD_OFFSET_2 (PHY_0_WR_CMD_OFFSET_2),
.PC_WR_CMD_OFFSET_3 (PHY_0_WR_CMD_OFFSET_3),
.PC_WR_DURATION_0 (PHY_0_WR_DURATION_0),
.PC_WR_DURATION_1 (PHY_0_WR_DURATION_1),
.PC_WR_DURATION_2 (PHY_0_WR_DURATION_2),
.PC_WR_DURATION_3 (PHY_0_WR_DURATION_3),
.PC_AO_WRLVL_EN (PHY_0_AO_WRLVL_EN),
.PC_AO_TOGGLE (PHY_0_AO_TOGGLE),
.PI_SEL_CLK_OFFSET (PI_SEL_CLK_OFFSET),
.A_PI_FINE_DELAY (L_PHY_0_A_PI_FINE_DELAY),
.B_PI_FINE_DELAY (L_PHY_0_B_PI_FINE_DELAY),
.C_PI_FINE_DELAY (L_PHY_0_C_PI_FINE_DELAY),
.D_PI_FINE_DELAY (L_PHY_0_D_PI_FINE_DELAY),
.A_PI_FREQ_REF_DIV (PHY_0_A_PI_FREQ_REF_DIV),
.A_PI_BURST_MODE (PHY_0_A_BURST_MODE),
.A_PI_OUTPUT_CLK_SRC (L_PHY_0_A_PI_OUTPUT_CLK_SRC),
.B_PI_OUTPUT_CLK_SRC (L_PHY_0_B_PI_OUTPUT_CLK_SRC),
.C_PI_OUTPUT_CLK_SRC (L_PHY_0_C_PI_OUTPUT_CLK_SRC),
.D_PI_OUTPUT_CLK_SRC (L_PHY_0_D_PI_OUTPUT_CLK_SRC),
.A_PO_OUTPUT_CLK_SRC (PHY_0_A_PO_OUTPUT_CLK_SRC),
.A_PO_OCLK_DELAY (PHY_0_A_PO_OCLK_DELAY),
.A_PO_OCLKDELAY_INV (PHY_0_A_PO_OCLKDELAY_INV),
.A_OF_ARRAY_MODE (PHY_0_A_OF_ARRAY_MODE),
.B_OF_ARRAY_MODE (PHY_0_B_OF_ARRAY_MODE),
.C_OF_ARRAY_MODE (PHY_0_C_OF_ARRAY_MODE),
.D_OF_ARRAY_MODE (PHY_0_D_OF_ARRAY_MODE),
.A_IF_ARRAY_MODE (PHY_0_A_IF_ARRAY_MODE),
.B_IF_ARRAY_MODE (PHY_0_B_IF_ARRAY_MODE),
.C_IF_ARRAY_MODE (PHY_0_C_IF_ARRAY_MODE),
.D_IF_ARRAY_MODE (PHY_0_D_IF_ARRAY_MODE),
.A_OS_DATA_RATE (PHY_0_A_OSERDES_DATA_RATE),
.A_OS_DATA_WIDTH (PHY_0_A_OSERDES_DATA_WIDTH),
.B_OS_DATA_RATE (PHY_0_B_OSERDES_DATA_RATE),
.B_OS_DATA_WIDTH (PHY_0_B_OSERDES_DATA_WIDTH),
.C_OS_DATA_RATE (PHY_0_C_OSERDES_DATA_RATE),
.C_OS_DATA_WIDTH (PHY_0_C_OSERDES_DATA_WIDTH),
.D_OS_DATA_RATE (PHY_0_D_OSERDES_DATA_RATE),
.D_OS_DATA_WIDTH (PHY_0_D_OSERDES_DATA_WIDTH),
.A_IDELAYE2_IDELAY_TYPE (PHY_0_A_IDELAYE2_IDELAY_TYPE),
.A_IDELAYE2_IDELAY_VALUE (PHY_0_A_IDELAYE2_IDELAY_VALUE)
,.CKE_ODT_AUX (CKE_ODT_AUX)
)
u_ddr_phy_4lanes
(
.rst (rst),
.phy_clk (phy_clk_split0),
.phy_ctl_clk (phy_ctl_clk_split0),
.phy_ctl_wd (phy_ctl_wd_split0),
.data_offset (phy_ctl_wd_split0[PC_DATA_OFFSET_RANGE_HI : PC_DATA_OFFSET_RANGE_LO]),
.phy_ctl_wr (phy_ctl_wr_split0),
.mem_refclk (mem_refclk_split),
.freq_refclk (freq_refclk_split),
.mem_refclk_div4 (mem_refclk_div4_split),
.sync_pulse (sync_pulse_split),
.phy_dout (phy_dout_split0[HIGHEST_LANE_B0*80-1:0]),
.phy_cmd_wr_en (phy_cmd_wr_en_split0),
.phy_data_wr_en (phy_data_wr_en_split0),
.phy_rd_en (phy_rd_en_split0),
.pll_lock (pll_lock),
.ddr_clk (ddr_clk_w[0]),
.rclk (),
.rst_out (rst_out_w[0]),
.mcGo (mcGo_w[0]),
.ref_dll_lock (ref_dll_lock_w[0]),
.idelayctrl_refclk (idelayctrl_refclk),
.idelay_inc (idelay_inc),
.idelay_ce (idelay_ce),
.idelay_ld (idelay_ld),
.phy_ctl_mstr_empty (phy_ctl_mstr_empty),
.if_rst (if_rst),
.if_empty_def (if_empty_def),
.byte_rd_en_oth_banks (byte_rd_en_oth_banks[1:0]),
.if_a_empty (if_a_empty_v[0]),
.if_empty (if_empty_v[0]),
.byte_rd_en (byte_rd_en_v[0]),
.if_empty_or (if_empty_or_v[0]),
.if_empty_and (if_empty_and_v[0]),
.of_ctl_a_full (of_ctl_a_full_v[0]),
.of_data_a_full (of_data_a_full_v[0]),
.of_ctl_full (of_ctl_full_v[0]),
.of_data_full (of_data_full_v[0]),
.pre_data_a_full (pre_data_a_full_v[0]),
.phy_din (phy_din[HIGHEST_LANE_B0*80-1:0]),
.phy_ctl_a_full (_phy_ctl_a_full_p[0]),
.phy_ctl_full (_phy_ctl_full_p[0]),
.phy_ctl_empty (phy_ctl_empty[0]),
.mem_dq_out (mem_dq_out[HIGHEST_LANE_B0*12-1:0]),
.mem_dq_ts (mem_dq_ts[HIGHEST_LANE_B0*12-1:0]),
.mem_dq_in (mem_dq_in[HIGHEST_LANE_B0*10-1:0]),
.mem_dqs_out (mem_dqs_out[HIGHEST_LANE_B0-1:0]),
.mem_dqs_ts (mem_dqs_ts[HIGHEST_LANE_B0-1:0]),
.mem_dqs_in (mem_dqs_in[HIGHEST_LANE_B0-1:0]),
.aux_out (aux_out_[3:0]),
.phy_ctl_ready (phy_ctl_ready_w[0]),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
// .scan_test_bus_A (scan_test_bus_A),
// .scan_test_bus_B (),
// .scan_test_bus_C (),
// .scan_test_bus_D (),
.phyGo (phyGo),
.input_sink (input_sink),
.calib_sel (calib_sel_byte0),
.calib_zero_ctrl (calib_zero_ctrl[0]),
.calib_zero_lanes (calib_zero_lanes_int[3:0]),
.calib_in_common (calib_in_common),
.po_coarse_enable (po_coarse_enable[0]),
.po_fine_enable (po_fine_enable[0]),
.po_fine_inc (po_fine_inc[0]),
.po_coarse_inc (po_coarse_inc[0]),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay[0]),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (po_coarse_overflow_w[0]),
.po_fine_overflow (po_fine_overflow_w[0]),
.po_counter_read_val (po_counter_read_val_w[0]),
.pi_rst_dqs_find (pi_rst_dqs_find[0]),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (pi_fine_overflow_w[0]),
.pi_counter_read_val (pi_counter_read_val_w[0]),
.pi_dqs_found (pi_dqs_found_w[0]),
.pi_dqs_found_all (pi_dqs_found_all_w[0]),
.pi_dqs_found_any (pi_dqs_found_any_w[0]),
.pi_phase_locked_lanes (pi_phase_locked_lanes[HIGHEST_LANE_B0-1:0]),
.pi_dqs_found_lanes (pi_dqs_found_lanes[HIGHEST_LANE_B0-1:0]),
.pi_dqs_out_of_range (pi_dqs_out_of_range_w[0]),
.pi_phase_locked (pi_phase_locked_w[0]),
.pi_phase_locked_all (pi_phase_locked_all_w[0]),
.fine_delay (fine_delay),
.fine_delay_sel (fine_delay_sel)
);
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[0] <= #100 0;
aux_out[2] <= #100 0;
end
else begin
aux_out[0] <= #100 aux_out_[0];
aux_out[2] <= #100 aux_out_[2];
end
end
if ( LP_RCLK_SELECT_EDGE[0]) begin
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[1] <= #100 0;
aux_out[3] <= #100 0;
end
else begin
aux_out[1] <= #100 aux_out_[1];
aux_out[3] <= #100 aux_out_[3];
end
end
end
else begin
always @(negedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[1] <= #100 0;
aux_out[3] <= #100 0;
end
else begin
aux_out[1] <= #100 aux_out_[1];
aux_out[3] <= #100 aux_out_[3];
end
end
end
end
else begin
if ( HIGHEST_BANK > 0) begin
assign phy_din[HIGHEST_LANE_B0*80-1:0] = 0;
assign _phy_ctl_a_full_p[0] = 0;
assign of_ctl_a_full_v[0] = 0;
assign of_ctl_full_v[0] = 0;
assign of_data_a_full_v[0] = 0;
assign of_data_full_v[0] = 0;
assign pre_data_a_full_v[0] = 0;
assign if_empty_v[0] = 0;
assign byte_rd_en_v[0] = 1;
always @(*)
aux_out[3:0] = 0;
end
assign pi_dqs_found_w[0] = 1;
assign pi_dqs_found_all_w[0] = 1;
assign pi_dqs_found_any_w[0] = 0;
assign pi_phase_locked_lanes[HIGHEST_LANE_B0-1:0] = 4'b1111;
assign pi_dqs_found_lanes[HIGHEST_LANE_B0-1:0] = 4'b1111;
assign pi_dqs_out_of_range_w[0] = 0;
assign pi_phase_locked_w[0] = 1;
assign po_fine_overflow_w[0] = 0;
assign po_coarse_overflow_w[0] = 0;
assign po_fine_overflow_w[0] = 0;
assign pi_fine_overflow_w[0] = 0;
assign po_counter_read_val_w[0] = 0;
assign pi_counter_read_val_w[0] = 0;
assign mcGo_w[0] = 1;
if ( RCLK_SELECT_BANK == 0)
always @(*)
aux_out[3:0] = 0;
end
if ( BYTE_LANES_B1 != 0) begin : ddr_phy_4lanes_1
mig_7series_v2_3_ddr_phy_4lanes #
(
.BYTE_LANES (BYTE_LANES_B1), /* four bits, one per lanes */
.DATA_CTL_N (PHY_1_DATA_CTL), /* four bits, one per lane */
.PO_CTL_COARSE_BYPASS (PO_CTL_COARSE_BYPASS),
.PO_FINE_DELAY (L_PHY_1_PO_FINE_DELAY),
.BITLANES (PHY_1_BITLANES),
.BITLANES_OUTONLY (PHY_1_BITLANES_OUTONLY),
.BYTELANES_DDR_CK (LP_PHY_1_BYTELANES_DDR_CK),
.LAST_BANK (PHY_1_IS_LAST_BANK ),
.LANE_REMAP (PHY_1_LANE_REMAP),
.OF_ALMOST_FULL_VALUE (PHY_1_OF_ALMOST_FULL_VALUE),
.IF_ALMOST_EMPTY_VALUE (PHY_1_IF_ALMOST_EMPTY_VALUE),
.GENERATE_IDELAYCTRL (PHY_1_GENERATE_IDELAYCTRL),
.IODELAY_GRP (PHY_1_IODELAY_GRP),
.BANK_TYPE (BANK_TYPE),
.NUM_DDR_CK (NUM_DDR_CK),
.TCK (TCK),
.RCLK_SELECT_LANE (RCLK_SELECT_LANE),
.USE_PRE_POST_FIFO (USE_PRE_POST_FIFO),
.SYNTHESIS (SYNTHESIS),
.PC_CLK_RATIO (PHY_CLK_RATIO),
.PC_EVENTS_DELAY (PHY_EVENTS_DELAY),
.PC_FOUR_WINDOW_CLOCKS (PHY_FOUR_WINDOW_CLOCKS),
.PC_BURST_MODE (PHY_1_A_BURST_MODE),
.PC_SYNC_MODE (PHY_SYNC_MODE),
.PC_MULTI_REGION (PHY_MULTI_REGION),
.PC_PHY_COUNT_EN (PHY_COUNT_EN),
.PC_DISABLE_SEQ_MATCH (PHY_DISABLE_SEQ_MATCH),
.PC_CMD_OFFSET (PHY_1_CMD_OFFSET),
.PC_RD_CMD_OFFSET_0 (PHY_1_RD_CMD_OFFSET_0),
.PC_RD_CMD_OFFSET_1 (PHY_1_RD_CMD_OFFSET_1),
.PC_RD_CMD_OFFSET_2 (PHY_1_RD_CMD_OFFSET_2),
.PC_RD_CMD_OFFSET_3 (PHY_1_RD_CMD_OFFSET_3),
.PC_RD_DURATION_0 (PHY_1_RD_DURATION_0),
.PC_RD_DURATION_1 (PHY_1_RD_DURATION_1),
.PC_RD_DURATION_2 (PHY_1_RD_DURATION_2),
.PC_RD_DURATION_3 (PHY_1_RD_DURATION_3),
.PC_WR_CMD_OFFSET_0 (PHY_1_WR_CMD_OFFSET_0),
.PC_WR_CMD_OFFSET_1 (PHY_1_WR_CMD_OFFSET_1),
.PC_WR_CMD_OFFSET_2 (PHY_1_WR_CMD_OFFSET_2),
.PC_WR_CMD_OFFSET_3 (PHY_1_WR_CMD_OFFSET_3),
.PC_WR_DURATION_0 (PHY_1_WR_DURATION_0),
.PC_WR_DURATION_1 (PHY_1_WR_DURATION_1),
.PC_WR_DURATION_2 (PHY_1_WR_DURATION_2),
.PC_WR_DURATION_3 (PHY_1_WR_DURATION_3),
.PC_AO_WRLVL_EN (PHY_1_AO_WRLVL_EN),
.PC_AO_TOGGLE (PHY_1_AO_TOGGLE),
.PI_SEL_CLK_OFFSET (PI_SEL_CLK_OFFSET),
.A_PI_FINE_DELAY (L_PHY_1_A_PI_FINE_DELAY),
.B_PI_FINE_DELAY (L_PHY_1_B_PI_FINE_DELAY),
.C_PI_FINE_DELAY (L_PHY_1_C_PI_FINE_DELAY),
.D_PI_FINE_DELAY (L_PHY_1_D_PI_FINE_DELAY),
.A_PI_FREQ_REF_DIV (PHY_1_A_PI_FREQ_REF_DIV),
.A_PI_BURST_MODE (PHY_1_A_BURST_MODE),
.A_PI_OUTPUT_CLK_SRC (L_PHY_1_A_PI_OUTPUT_CLK_SRC),
.B_PI_OUTPUT_CLK_SRC (L_PHY_1_B_PI_OUTPUT_CLK_SRC),
.C_PI_OUTPUT_CLK_SRC (L_PHY_1_C_PI_OUTPUT_CLK_SRC),
.D_PI_OUTPUT_CLK_SRC (L_PHY_1_D_PI_OUTPUT_CLK_SRC),
.A_PO_OUTPUT_CLK_SRC (PHY_1_A_PO_OUTPUT_CLK_SRC),
.A_PO_OCLK_DELAY (PHY_1_A_PO_OCLK_DELAY),
.A_PO_OCLKDELAY_INV (PHY_1_A_PO_OCLKDELAY_INV),
.A_OF_ARRAY_MODE (PHY_1_A_OF_ARRAY_MODE),
.B_OF_ARRAY_MODE (PHY_1_B_OF_ARRAY_MODE),
.C_OF_ARRAY_MODE (PHY_1_C_OF_ARRAY_MODE),
.D_OF_ARRAY_MODE (PHY_1_D_OF_ARRAY_MODE),
.A_IF_ARRAY_MODE (PHY_1_A_IF_ARRAY_MODE),
.B_IF_ARRAY_MODE (PHY_1_B_IF_ARRAY_MODE),
.C_IF_ARRAY_MODE (PHY_1_C_IF_ARRAY_MODE),
.D_IF_ARRAY_MODE (PHY_1_D_IF_ARRAY_MODE),
.A_OS_DATA_RATE (PHY_1_A_OSERDES_DATA_RATE),
.A_OS_DATA_WIDTH (PHY_1_A_OSERDES_DATA_WIDTH),
.B_OS_DATA_RATE (PHY_1_B_OSERDES_DATA_RATE),
.B_OS_DATA_WIDTH (PHY_1_B_OSERDES_DATA_WIDTH),
.C_OS_DATA_RATE (PHY_1_C_OSERDES_DATA_RATE),
.C_OS_DATA_WIDTH (PHY_1_C_OSERDES_DATA_WIDTH),
.D_OS_DATA_RATE (PHY_1_D_OSERDES_DATA_RATE),
.D_OS_DATA_WIDTH (PHY_1_D_OSERDES_DATA_WIDTH),
.A_IDELAYE2_IDELAY_TYPE (PHY_1_A_IDELAYE2_IDELAY_TYPE),
.A_IDELAYE2_IDELAY_VALUE (PHY_1_A_IDELAYE2_IDELAY_VALUE)
,.CKE_ODT_AUX (CKE_ODT_AUX)
)
u_ddr_phy_4lanes
(
.rst (rst),
.phy_clk (phy_clk_split1),
.phy_ctl_clk (phy_ctl_clk_split1),
.phy_ctl_wd (phy_ctl_wd_split1),
.data_offset (phy_data_offset_1_split1),
.phy_ctl_wr (phy_ctl_wr_split1),
.mem_refclk (mem_refclk_split),
.freq_refclk (freq_refclk_split),
.mem_refclk_div4 (mem_refclk_div4_split),
.sync_pulse (sync_pulse_split),
.phy_dout (phy_dout_split1[HIGHEST_LANE_B1*80+320-1:320]),
.phy_cmd_wr_en (phy_cmd_wr_en_split1),
.phy_data_wr_en (phy_data_wr_en_split1),
.phy_rd_en (phy_rd_en_split1),
.pll_lock (pll_lock),
.ddr_clk (ddr_clk_w[1]),
.rclk (),
.rst_out (rst_out_w[1]),
.mcGo (mcGo_w[1]),
.ref_dll_lock (ref_dll_lock_w[1]),
.idelayctrl_refclk (idelayctrl_refclk),
.idelay_inc (idelay_inc),
.idelay_ce (idelay_ce),
.idelay_ld (idelay_ld),
.phy_ctl_mstr_empty (phy_ctl_mstr_empty),
.if_rst (if_rst),
.if_empty_def (if_empty_def),
.byte_rd_en_oth_banks (byte_rd_en_oth_banks[3:2]),
.if_a_empty (if_a_empty_v[1]),
.if_empty (if_empty_v[1]),
.byte_rd_en (byte_rd_en_v[1]),
.if_empty_or (if_empty_or_v[1]),
.if_empty_and (if_empty_and_v[1]),
.of_ctl_a_full (of_ctl_a_full_v[1]),
.of_data_a_full (of_data_a_full_v[1]),
.of_ctl_full (of_ctl_full_v[1]),
.of_data_full (of_data_full_v[1]),
.pre_data_a_full (pre_data_a_full_v[1]),
.phy_din (phy_din[HIGHEST_LANE_B1*80+320-1:320]),
.phy_ctl_a_full (_phy_ctl_a_full_p[1]),
.phy_ctl_full (_phy_ctl_full_p[1]),
.phy_ctl_empty (phy_ctl_empty[1]),
.mem_dq_out (mem_dq_out[HIGHEST_LANE_B1*12+48-1:48]),
.mem_dq_ts (mem_dq_ts[HIGHEST_LANE_B1*12+48-1:48]),
.mem_dq_in (mem_dq_in[HIGHEST_LANE_B1*10+40-1:40]),
.mem_dqs_out (mem_dqs_out[HIGHEST_LANE_B1+4-1:4]),
.mem_dqs_ts (mem_dqs_ts[HIGHEST_LANE_B1+4-1:4]),
.mem_dqs_in (mem_dqs_in[HIGHEST_LANE_B1+4-1:4]),
.aux_out (aux_out_[7:4]),
.phy_ctl_ready (phy_ctl_ready_w[1]),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
// .scan_test_bus_A (scan_test_bus_A),
// .scan_test_bus_B (),
// .scan_test_bus_C (),
// .scan_test_bus_D (),
.phyGo (phyGo),
.input_sink (input_sink),
.calib_sel (calib_sel_byte1),
.calib_zero_ctrl (calib_zero_ctrl[1]),
.calib_zero_lanes (calib_zero_lanes_int[7:4]),
.calib_in_common (calib_in_common),
.po_coarse_enable (po_coarse_enable[1]),
.po_fine_enable (po_fine_enable[1]),
.po_fine_inc (po_fine_inc[1]),
.po_coarse_inc (po_coarse_inc[1]),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay[1]),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (po_coarse_overflow_w[1]),
.po_fine_overflow (po_fine_overflow_w[1]),
.po_counter_read_val (po_counter_read_val_w[1]),
.pi_rst_dqs_find (pi_rst_dqs_find[1]),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (pi_fine_overflow_w[1]),
.pi_counter_read_val (pi_counter_read_val_w[1]),
.pi_dqs_found (pi_dqs_found_w[1]),
.pi_dqs_found_all (pi_dqs_found_all_w[1]),
.pi_dqs_found_any (pi_dqs_found_any_w[1]),
.pi_phase_locked_lanes (pi_phase_locked_lanes[HIGHEST_LANE_B1+4-1:4]),
.pi_dqs_found_lanes (pi_dqs_found_lanes[HIGHEST_LANE_B1+4-1:4]),
.pi_dqs_out_of_range (pi_dqs_out_of_range_w[1]),
.pi_phase_locked (pi_phase_locked_w[1]),
.pi_phase_locked_all (pi_phase_locked_all_w[1]),
.fine_delay (fine_delay),
.fine_delay_sel (fine_delay_sel)
);
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[4] <= #100 0;
aux_out[6] <= #100 0;
end
else begin
aux_out[4] <= #100 aux_out_[4];
aux_out[6] <= #100 aux_out_[6];
end
end
if ( LP_RCLK_SELECT_EDGE[1]) begin
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[5] <= #100 0;
aux_out[7] <= #100 0;
end
else begin
aux_out[5] <= #100 aux_out_[5];
aux_out[7] <= #100 aux_out_[7];
end
end
end
else begin
always @(negedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[5] <= #100 0;
aux_out[7] <= #100 0;
end
else begin
aux_out[5] <= #100 aux_out_[5];
aux_out[7] <= #100 aux_out_[7];
end
end
end
end
else begin
if ( HIGHEST_BANK > 1) begin
assign phy_din[HIGHEST_LANE_B1*80+320-1:320] = 0;
assign _phy_ctl_a_full_p[1] = 0;
assign of_ctl_a_full_v[1] = 0;
assign of_ctl_full_v[1] = 0;
assign of_data_a_full_v[1] = 0;
assign of_data_full_v[1] = 0;
assign pre_data_a_full_v[1] = 0;
assign if_empty_v[1] = 0;
assign byte_rd_en_v[1] = 1;
assign pi_phase_locked_lanes[HIGHEST_LANE_B1+4-1:4] = 4'b1111;
assign pi_dqs_found_lanes[HIGHEST_LANE_B1+4-1:4] = 4'b1111;
always @(*)
aux_out[7:4] = 0;
end
assign pi_dqs_found_w[1] = 1;
assign pi_dqs_found_all_w[1] = 1;
assign pi_dqs_found_any_w[1] = 0;
assign pi_dqs_out_of_range_w[1] = 0;
assign pi_phase_locked_w[1] = 1;
assign po_coarse_overflow_w[1] = 0;
assign po_fine_overflow_w[1] = 0;
assign pi_fine_overflow_w[1] = 0;
assign po_counter_read_val_w[1] = 0;
assign pi_counter_read_val_w[1] = 0;
assign mcGo_w[1] = 1;
end
if ( BYTE_LANES_B2 != 0) begin : ddr_phy_4lanes_2
mig_7series_v2_3_ddr_phy_4lanes #
(
.BYTE_LANES (BYTE_LANES_B2), /* four bits, one per lanes */
.DATA_CTL_N (PHY_2_DATA_CTL), /* four bits, one per lane */
.PO_CTL_COARSE_BYPASS (PO_CTL_COARSE_BYPASS),
.PO_FINE_DELAY (L_PHY_2_PO_FINE_DELAY),
.BITLANES (PHY_2_BITLANES),
.BITLANES_OUTONLY (PHY_2_BITLANES_OUTONLY),
.BYTELANES_DDR_CK (LP_PHY_2_BYTELANES_DDR_CK),
.LAST_BANK (PHY_2_IS_LAST_BANK ),
.LANE_REMAP (PHY_2_LANE_REMAP),
.OF_ALMOST_FULL_VALUE (PHY_2_OF_ALMOST_FULL_VALUE),
.IF_ALMOST_EMPTY_VALUE (PHY_2_IF_ALMOST_EMPTY_VALUE),
.GENERATE_IDELAYCTRL (PHY_2_GENERATE_IDELAYCTRL),
.IODELAY_GRP (PHY_2_IODELAY_GRP),
.BANK_TYPE (BANK_TYPE),
.NUM_DDR_CK (NUM_DDR_CK),
.TCK (TCK),
.RCLK_SELECT_LANE (RCLK_SELECT_LANE),
.USE_PRE_POST_FIFO (USE_PRE_POST_FIFO),
.SYNTHESIS (SYNTHESIS),
.PC_CLK_RATIO (PHY_CLK_RATIO),
.PC_EVENTS_DELAY (PHY_EVENTS_DELAY),
.PC_FOUR_WINDOW_CLOCKS (PHY_FOUR_WINDOW_CLOCKS),
.PC_BURST_MODE (PHY_2_A_BURST_MODE),
.PC_SYNC_MODE (PHY_SYNC_MODE),
.PC_MULTI_REGION (PHY_MULTI_REGION),
.PC_PHY_COUNT_EN (PHY_COUNT_EN),
.PC_DISABLE_SEQ_MATCH (PHY_DISABLE_SEQ_MATCH),
.PC_CMD_OFFSET (PHY_2_CMD_OFFSET),
.PC_RD_CMD_OFFSET_0 (PHY_2_RD_CMD_OFFSET_0),
.PC_RD_CMD_OFFSET_1 (PHY_2_RD_CMD_OFFSET_1),
.PC_RD_CMD_OFFSET_2 (PHY_2_RD_CMD_OFFSET_2),
.PC_RD_CMD_OFFSET_3 (PHY_2_RD_CMD_OFFSET_3),
.PC_RD_DURATION_0 (PHY_2_RD_DURATION_0),
.PC_RD_DURATION_1 (PHY_2_RD_DURATION_1),
.PC_RD_DURATION_2 (PHY_2_RD_DURATION_2),
.PC_RD_DURATION_3 (PHY_2_RD_DURATION_3),
.PC_WR_CMD_OFFSET_0 (PHY_2_WR_CMD_OFFSET_0),
.PC_WR_CMD_OFFSET_1 (PHY_2_WR_CMD_OFFSET_1),
.PC_WR_CMD_OFFSET_2 (PHY_2_WR_CMD_OFFSET_2),
.PC_WR_CMD_OFFSET_3 (PHY_2_WR_CMD_OFFSET_3),
.PC_WR_DURATION_0 (PHY_2_WR_DURATION_0),
.PC_WR_DURATION_1 (PHY_2_WR_DURATION_1),
.PC_WR_DURATION_2 (PHY_2_WR_DURATION_2),
.PC_WR_DURATION_3 (PHY_2_WR_DURATION_3),
.PC_AO_WRLVL_EN (PHY_2_AO_WRLVL_EN),
.PC_AO_TOGGLE (PHY_2_AO_TOGGLE),
.PI_SEL_CLK_OFFSET (PI_SEL_CLK_OFFSET),
.A_PI_FINE_DELAY (L_PHY_2_A_PI_FINE_DELAY),
.B_PI_FINE_DELAY (L_PHY_2_B_PI_FINE_DELAY),
.C_PI_FINE_DELAY (L_PHY_2_C_PI_FINE_DELAY),
.D_PI_FINE_DELAY (L_PHY_2_D_PI_FINE_DELAY),
.A_PI_FREQ_REF_DIV (PHY_2_A_PI_FREQ_REF_DIV),
.A_PI_BURST_MODE (PHY_2_A_BURST_MODE),
.A_PI_OUTPUT_CLK_SRC (L_PHY_2_A_PI_OUTPUT_CLK_SRC),
.B_PI_OUTPUT_CLK_SRC (L_PHY_2_B_PI_OUTPUT_CLK_SRC),
.C_PI_OUTPUT_CLK_SRC (L_PHY_2_C_PI_OUTPUT_CLK_SRC),
.D_PI_OUTPUT_CLK_SRC (L_PHY_2_D_PI_OUTPUT_CLK_SRC),
.A_PO_OUTPUT_CLK_SRC (PHY_2_A_PO_OUTPUT_CLK_SRC),
.A_PO_OCLK_DELAY (PHY_2_A_PO_OCLK_DELAY),
.A_PO_OCLKDELAY_INV (PHY_2_A_PO_OCLKDELAY_INV),
.A_OF_ARRAY_MODE (PHY_2_A_OF_ARRAY_MODE),
.B_OF_ARRAY_MODE (PHY_2_B_OF_ARRAY_MODE),
.C_OF_ARRAY_MODE (PHY_2_C_OF_ARRAY_MODE),
.D_OF_ARRAY_MODE (PHY_2_D_OF_ARRAY_MODE),
.A_IF_ARRAY_MODE (PHY_2_A_IF_ARRAY_MODE),
.B_IF_ARRAY_MODE (PHY_2_B_IF_ARRAY_MODE),
.C_IF_ARRAY_MODE (PHY_2_C_IF_ARRAY_MODE),
.D_IF_ARRAY_MODE (PHY_2_D_IF_ARRAY_MODE),
.A_OS_DATA_RATE (PHY_2_A_OSERDES_DATA_RATE),
.A_OS_DATA_WIDTH (PHY_2_A_OSERDES_DATA_WIDTH),
.B_OS_DATA_RATE (PHY_2_B_OSERDES_DATA_RATE),
.B_OS_DATA_WIDTH (PHY_2_B_OSERDES_DATA_WIDTH),
.C_OS_DATA_RATE (PHY_2_C_OSERDES_DATA_RATE),
.C_OS_DATA_WIDTH (PHY_2_C_OSERDES_DATA_WIDTH),
.D_OS_DATA_RATE (PHY_2_D_OSERDES_DATA_RATE),
.D_OS_DATA_WIDTH (PHY_2_D_OSERDES_DATA_WIDTH),
.A_IDELAYE2_IDELAY_TYPE (PHY_2_A_IDELAYE2_IDELAY_TYPE),
.A_IDELAYE2_IDELAY_VALUE (PHY_2_A_IDELAYE2_IDELAY_VALUE)
,.CKE_ODT_AUX (CKE_ODT_AUX)
)
u_ddr_phy_4lanes
(
.rst (rst),
.phy_clk (phy_clk_split2),
.phy_ctl_clk (phy_ctl_clk_split2),
.phy_ctl_wd (phy_ctl_wd_split2),
.data_offset (phy_data_offset_2_split2),
.phy_ctl_wr (phy_ctl_wr_split2),
.mem_refclk (mem_refclk_split),
.freq_refclk (freq_refclk_split),
.mem_refclk_div4 (mem_refclk_div4_split),
.sync_pulse (sync_pulse_split),
.phy_dout (phy_dout_split2[HIGHEST_LANE_B2*80+640-1:640]),
.phy_cmd_wr_en (phy_cmd_wr_en_split2),
.phy_data_wr_en (phy_data_wr_en_split2),
.phy_rd_en (phy_rd_en_split2),
.pll_lock (pll_lock),
.ddr_clk (ddr_clk_w[2]),
.rclk (),
.rst_out (rst_out_w[2]),
.mcGo (mcGo_w[2]),
.ref_dll_lock (ref_dll_lock_w[2]),
.idelayctrl_refclk (idelayctrl_refclk),
.idelay_inc (idelay_inc),
.idelay_ce (idelay_ce),
.idelay_ld (idelay_ld),
.phy_ctl_mstr_empty (phy_ctl_mstr_empty),
.if_rst (if_rst),
.if_empty_def (if_empty_def),
.byte_rd_en_oth_banks (byte_rd_en_oth_banks[5:4]),
.if_a_empty (if_a_empty_v[2]),
.if_empty (if_empty_v[2]),
.byte_rd_en (byte_rd_en_v[2]),
.if_empty_or (if_empty_or_v[2]),
.if_empty_and (if_empty_and_v[2]),
.of_ctl_a_full (of_ctl_a_full_v[2]),
.of_data_a_full (of_data_a_full_v[2]),
.of_ctl_full (of_ctl_full_v[2]),
.of_data_full (of_data_full_v[2]),
.pre_data_a_full (pre_data_a_full_v[2]),
.phy_din (phy_din[HIGHEST_LANE_B2*80+640-1:640]),
.phy_ctl_a_full (_phy_ctl_a_full_p[2]),
.phy_ctl_full (_phy_ctl_full_p[2]),
.phy_ctl_empty (phy_ctl_empty[2]),
.mem_dq_out (mem_dq_out[HIGHEST_LANE_B2*12+96-1:96]),
.mem_dq_ts (mem_dq_ts[HIGHEST_LANE_B2*12+96-1:96]),
.mem_dq_in (mem_dq_in[HIGHEST_LANE_B2*10+80-1:80]),
.mem_dqs_out (mem_dqs_out[HIGHEST_LANE_B2-1+8:8]),
.mem_dqs_ts (mem_dqs_ts[HIGHEST_LANE_B2-1+8:8]),
.mem_dqs_in (mem_dqs_in[HIGHEST_LANE_B2-1+8:8]),
.aux_out (aux_out_[11:8]),
.phy_ctl_ready (phy_ctl_ready_w[2]),
.phy_write_calib (phy_write_calib),
.phy_read_calib (phy_read_calib),
// .scan_test_bus_A (scan_test_bus_A),
// .scan_test_bus_B (),
// .scan_test_bus_C (),
// .scan_test_bus_D (),
.phyGo (phyGo),
.input_sink (input_sink),
.calib_sel (calib_sel_byte2),
.calib_zero_ctrl (calib_zero_ctrl[2]),
.calib_zero_lanes (calib_zero_lanes_int[11:8]),
.calib_in_common (calib_in_common),
.po_coarse_enable (po_coarse_enable[2]),
.po_fine_enable (po_fine_enable[2]),
.po_fine_inc (po_fine_inc[2]),
.po_coarse_inc (po_coarse_inc[2]),
.po_counter_load_en (po_counter_load_en),
.po_sel_fine_oclk_delay (po_sel_fine_oclk_delay[2]),
.po_counter_load_val (po_counter_load_val),
.po_counter_read_en (po_counter_read_en),
.po_coarse_overflow (po_coarse_overflow_w[2]),
.po_fine_overflow (po_fine_overflow_w[2]),
.po_counter_read_val (po_counter_read_val_w[2]),
.pi_rst_dqs_find (pi_rst_dqs_find[2]),
.pi_fine_enable (pi_fine_enable),
.pi_fine_inc (pi_fine_inc),
.pi_counter_load_en (pi_counter_load_en),
.pi_counter_read_en (pi_counter_read_en),
.pi_counter_load_val (pi_counter_load_val),
.pi_fine_overflow (pi_fine_overflow_w[2]),
.pi_counter_read_val (pi_counter_read_val_w[2]),
.pi_dqs_found (pi_dqs_found_w[2]),
.pi_dqs_found_all (pi_dqs_found_all_w[2]),
.pi_dqs_found_any (pi_dqs_found_any_w[2]),
.pi_phase_locked_lanes (pi_phase_locked_lanes[HIGHEST_LANE_B2+8-1:8]),
.pi_dqs_found_lanes (pi_dqs_found_lanes[HIGHEST_LANE_B2+8-1:8]),
.pi_dqs_out_of_range (pi_dqs_out_of_range_w[2]),
.pi_phase_locked (pi_phase_locked_w[2]),
.pi_phase_locked_all (pi_phase_locked_all_w[2]),
.fine_delay (fine_delay),
.fine_delay_sel (fine_delay_sel)
);
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[8] <= #100 0;
aux_out[10] <= #100 0;
end
else begin
aux_out[8] <= #100 aux_out_[8];
aux_out[10] <= #100 aux_out_[10];
end
end
if ( LP_RCLK_SELECT_EDGE[1]) begin
always @(posedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[9] <= #100 0;
aux_out[11] <= #100 0;
end
else begin
aux_out[9] <= #100 aux_out_[9];
aux_out[11] <= #100 aux_out_[11];
end
end
end
else begin
always @(negedge auxout_clk or posedge rst_auxout) begin
if (rst_auxout) begin
aux_out[9] <= #100 0;
aux_out[11] <= #100 0;
end
else begin
aux_out[9] <= #100 aux_out_[9];
aux_out[11] <= #100 aux_out_[11];
end
end
end
end
else begin
if ( HIGHEST_BANK > 2) begin
assign phy_din[HIGHEST_LANE_B2*80+640-1:640] = 0;
assign _phy_ctl_a_full_p[2] = 0;
assign of_ctl_a_full_v[2] = 0;
assign of_ctl_full_v[2] = 0;
assign of_data_a_full_v[2] = 0;
assign of_data_full_v[2] = 0;
assign pre_data_a_full_v[2] = 0;
assign if_empty_v[2] = 0;
assign byte_rd_en_v[2] = 1;
assign pi_phase_locked_lanes[HIGHEST_LANE_B2+8-1:8] = 4'b1111;
assign pi_dqs_found_lanes[HIGHEST_LANE_B2+8-1:8] = 4'b1111;
always @(*)
aux_out[11:8] = 0;
end
assign pi_dqs_found_w[2] = 1;
assign pi_dqs_found_all_w[2] = 1;
assign pi_dqs_found_any_w[2] = 0;
assign pi_dqs_out_of_range_w[2] = 0;
assign pi_phase_locked_w[2] = 1;
assign po_coarse_overflow_w[2] = 0;
assign po_fine_overflow_w[2] = 0;
assign po_counter_read_val_w[2] = 0;
assign pi_counter_read_val_w[2] = 0;
assign mcGo_w[2] = 1;
end
endgenerate
generate
// for single bank , emit an extra phaser_in to generate rclk
// so that auxout can be placed in another region
// if desired
if ( BYTE_LANES_B1 == 0 && BYTE_LANES_B2 == 0 && RCLK_SELECT_BANK>0)
begin : phaser_in_rclk
localparam L_EXTRA_PI_FINE_DELAY = DEFAULT_RCLK_DELAY;
PHASER_IN_PHY #(
.BURST_MODE ( PHY_0_A_BURST_MODE),
.CLKOUT_DIV ( PHY_0_A_PI_CLKOUT_DIV),
.FREQ_REF_DIV ( PHY_0_A_PI_FREQ_REF_DIV),
.REFCLK_PERIOD ( L_FREQ_REF_PERIOD_NS),
.FINE_DELAY ( L_EXTRA_PI_FINE_DELAY),
.OUTPUT_CLK_SRC ( RCLK_PI_OUTPUT_CLK_SRC)
) phaser_in_rclk (
.DQSFOUND (),
.DQSOUTOFRANGE (),
.FINEOVERFLOW (),
.PHASELOCKED (),
.ISERDESRST (),
.ICLKDIV (),
.ICLK (),
.COUNTERREADVAL (),
.RCLK (),
.WRENABLE (),
.BURSTPENDINGPHY (),
.ENCALIBPHY (),
.FINEENABLE (0),
.FREQREFCLK (freq_refclk),
.MEMREFCLK (mem_refclk),
.RANKSELPHY (0),
.PHASEREFCLK (),
.RSTDQSFIND (0),
.RST (rst),
.FINEINC (),
.COUNTERLOADEN (),
.COUNTERREADEN (),
.COUNTERLOADVAL (),
.SYNCIN (sync_pulse),
.SYSCLK (phy_clk)
);
end
endgenerate
always @(*) begin
case (calib_sel[5:3])
3'b000: begin
po_coarse_overflow = po_coarse_overflow_w[0];
po_fine_overflow = po_fine_overflow_w[0];
po_counter_read_val = po_counter_read_val_w[0];
pi_fine_overflow = pi_fine_overflow_w[0];
pi_counter_read_val = pi_counter_read_val_w[0];
pi_phase_locked = pi_phase_locked_w[0];
if ( calib_in_common)
pi_dqs_found = pi_dqs_found_any;
else
pi_dqs_found = pi_dqs_found_w[0];
pi_dqs_out_of_range = pi_dqs_out_of_range_w[0];
end
3'b001: begin
po_coarse_overflow = po_coarse_overflow_w[1];
po_fine_overflow = po_fine_overflow_w[1];
po_counter_read_val = po_counter_read_val_w[1];
pi_fine_overflow = pi_fine_overflow_w[1];
pi_counter_read_val = pi_counter_read_val_w[1];
pi_phase_locked = pi_phase_locked_w[1];
if ( calib_in_common)
pi_dqs_found = pi_dqs_found_any;
else
pi_dqs_found = pi_dqs_found_w[1];
pi_dqs_out_of_range = pi_dqs_out_of_range_w[1];
end
3'b010: begin
po_coarse_overflow = po_coarse_overflow_w[2];
po_fine_overflow = po_fine_overflow_w[2];
po_counter_read_val = po_counter_read_val_w[2];
pi_fine_overflow = pi_fine_overflow_w[2];
pi_counter_read_val = pi_counter_read_val_w[2];
pi_phase_locked = pi_phase_locked_w[2];
if ( calib_in_common)
pi_dqs_found = pi_dqs_found_any;
else
pi_dqs_found = pi_dqs_found_w[2];
pi_dqs_out_of_range = pi_dqs_out_of_range_w[2];
end
default: begin
po_coarse_overflow = 0;
po_fine_overflow = 0;
po_counter_read_val = 0;
pi_fine_overflow = 0;
pi_counter_read_val = 0;
pi_phase_locked = 0;
pi_dqs_found = 0;
pi_dqs_out_of_range = 0;
end
endcase
end
endmodule
|
module mig_7series_v2_3_ddr_if_post_fifo #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter DEPTH = 4, // # of entries
parameter WIDTH = 32 // data bus width
)
(
input clk, // clock
input rst, // synchronous reset
input [3:0] empty_in,
input rd_en_in,
input [WIDTH-1:0] d_in, // write data from controller
output empty_out,
output byte_rd_en,
output [WIDTH-1:0] d_out // write data to OUT_FIFO
);
// # of bits used to represent read/write pointers
localparam PTR_BITS
= (DEPTH == 2) ? 1 :
(((DEPTH == 3) || (DEPTH == 4)) ? 2 : 'bx);
integer i;
reg [WIDTH-1:0] mem[0:DEPTH-1];
(* max_fanout = 40 *) reg [4:0] my_empty /* synthesis syn_maxfan = 3 */;
(* max_fanout = 40 *) reg [1:0] my_full /* synthesis syn_maxfan = 3 */;
reg [PTR_BITS-1:0] rd_ptr /* synthesis syn_maxfan = 10 */;
// Register duplication to reduce the fan out
(* KEEP = "TRUE" *) reg [PTR_BITS-1:0] rd_ptr_timing /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS-1:0] wr_ptr /* synthesis syn_maxfan = 10 */;
wire [WIDTH-1:0] mem_out;
(* max_fanout = 40 *) wire wr_en /* synthesis syn_maxfan = 10 */;
task updt_ptrs;
input rd;
input wr;
reg [1:0] next_rd_ptr;
reg [1:0] next_wr_ptr;
begin
next_rd_ptr = (rd_ptr + 1'b1)%DEPTH;
next_wr_ptr = (wr_ptr + 1'b1)%DEPTH;
casez ({rd, wr, my_empty[1], my_full[1]})
4'b00zz: ; // No access, do nothing
4'b0100: begin
// Write when neither empty, nor full; check for full
wr_ptr <= #TCQ next_wr_ptr;
my_full[0] <= #TCQ (next_wr_ptr == rd_ptr);
my_full[1] <= #TCQ (next_wr_ptr == rd_ptr);
//mem[wr_ptr] <= #TCQ d_in;
end
4'b0110: begin
// Write when empty; no need to check for full
wr_ptr <= #TCQ next_wr_ptr;
my_empty <= #TCQ 5'b00000;
//mem[wr_ptr] <= #TCQ d_in;
end
4'b1000: begin
// Read when neither empty, nor full; check for empty
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
my_empty[0] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[1] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[2] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[3] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[4] <= #TCQ (next_rd_ptr == wr_ptr);
end
4'b1001: begin
// Read when full; no need to check for empty
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
my_full[0] <= #TCQ 1'b0;
my_full[1] <= #TCQ 1'b0;
end
4'b1100, 4'b1101, 4'b1110: begin
// Read and write when empty, full, or neither empty/full; no need
// to check for empty or full conditions
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
wr_ptr <= #TCQ next_wr_ptr;
//mem[wr_ptr] <= #TCQ d_in;
end
4'b0101, 4'b1010: ;
// Read when empty, Write when full; Keep all pointers the same
// and don't change any of the flags (i.e. ignore the read/write).
// This might happen because a faulty DQS_FOUND calibration could
// result in excessive skew between when the various IN_FIFO's
// first become not empty. In this case, the data going to each
// post-FIFO/IN_FIFO should be read out and discarded
// synthesis translate_off
default: begin
// Covers any other cases, in particular for simulation if
// any signals are X's
$display("ERR %m @%t: Bad access: rd:%b,wr:%b,empty:%b,full:%b",
$time, rd, wr, my_empty[1], my_full[1]);
rd_ptr <= #TCQ 2'bxx;
rd_ptr_timing <= #TCQ 2'bxx;
wr_ptr <= #TCQ 2'bxx;
end
// synthesis translate_on
endcase
end
endtask
assign d_out = my_empty[4] ? d_in : mem_out;//mem[rd_ptr];
// The combined IN_FIFO + post FIFO is only "empty" when both are empty
assign empty_out = empty_in[0] & my_empty[0];
assign byte_rd_en = !empty_in[3] || !my_empty[3];
always @(posedge clk)
if (rst) begin
my_empty <= #TCQ 5'b11111;
my_full <= #TCQ 2'b00;
rd_ptr <= #TCQ 'b0;
rd_ptr_timing <= #TCQ 'b0;
wr_ptr <= #TCQ 'b0;
end else begin
// Special mode: If IN_FIFO has data, and controller is reading at
// the same time, then operate post-FIFO in "passthrough" mode (i.e.
// don't update any of the read/write pointers, and route IN_FIFO
// data to post-FIFO data)
if (my_empty[1] && !my_full[1] && rd_en_in && !empty_in[1]) ;
else
// Otherwise, we're writing to FIFO when IN_FIFO is not empty,
// and reading from the FIFO based on the rd_en_in signal (read
// enable from controller). The functino updt_ptrs should catch
// an illegal conditions.
updt_ptrs(rd_en_in, !empty_in[1]);
end
assign wr_en = (!empty_in[2] & ((!rd_en_in & !my_full[0]) |
(rd_en_in & !my_empty[2])));
always @ (posedge clk)
begin
if (wr_en)
mem[wr_ptr] <= #TCQ d_in;
end
assign mem_out = mem[rd_ptr_timing];
endmodule
|
module mig_7series_v2_3_ddr_if_post_fifo #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter DEPTH = 4, // # of entries
parameter WIDTH = 32 // data bus width
)
(
input clk, // clock
input rst, // synchronous reset
input [3:0] empty_in,
input rd_en_in,
input [WIDTH-1:0] d_in, // write data from controller
output empty_out,
output byte_rd_en,
output [WIDTH-1:0] d_out // write data to OUT_FIFO
);
// # of bits used to represent read/write pointers
localparam PTR_BITS
= (DEPTH == 2) ? 1 :
(((DEPTH == 3) || (DEPTH == 4)) ? 2 : 'bx);
integer i;
reg [WIDTH-1:0] mem[0:DEPTH-1];
(* max_fanout = 40 *) reg [4:0] my_empty /* synthesis syn_maxfan = 3 */;
(* max_fanout = 40 *) reg [1:0] my_full /* synthesis syn_maxfan = 3 */;
reg [PTR_BITS-1:0] rd_ptr /* synthesis syn_maxfan = 10 */;
// Register duplication to reduce the fan out
(* KEEP = "TRUE" *) reg [PTR_BITS-1:0] rd_ptr_timing /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS-1:0] wr_ptr /* synthesis syn_maxfan = 10 */;
wire [WIDTH-1:0] mem_out;
(* max_fanout = 40 *) wire wr_en /* synthesis syn_maxfan = 10 */;
task updt_ptrs;
input rd;
input wr;
reg [1:0] next_rd_ptr;
reg [1:0] next_wr_ptr;
begin
next_rd_ptr = (rd_ptr + 1'b1)%DEPTH;
next_wr_ptr = (wr_ptr + 1'b1)%DEPTH;
casez ({rd, wr, my_empty[1], my_full[1]})
4'b00zz: ; // No access, do nothing
4'b0100: begin
// Write when neither empty, nor full; check for full
wr_ptr <= #TCQ next_wr_ptr;
my_full[0] <= #TCQ (next_wr_ptr == rd_ptr);
my_full[1] <= #TCQ (next_wr_ptr == rd_ptr);
//mem[wr_ptr] <= #TCQ d_in;
end
4'b0110: begin
// Write when empty; no need to check for full
wr_ptr <= #TCQ next_wr_ptr;
my_empty <= #TCQ 5'b00000;
//mem[wr_ptr] <= #TCQ d_in;
end
4'b1000: begin
// Read when neither empty, nor full; check for empty
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
my_empty[0] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[1] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[2] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[3] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[4] <= #TCQ (next_rd_ptr == wr_ptr);
end
4'b1001: begin
// Read when full; no need to check for empty
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
my_full[0] <= #TCQ 1'b0;
my_full[1] <= #TCQ 1'b0;
end
4'b1100, 4'b1101, 4'b1110: begin
// Read and write when empty, full, or neither empty/full; no need
// to check for empty or full conditions
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
wr_ptr <= #TCQ next_wr_ptr;
//mem[wr_ptr] <= #TCQ d_in;
end
4'b0101, 4'b1010: ;
// Read when empty, Write when full; Keep all pointers the same
// and don't change any of the flags (i.e. ignore the read/write).
// This might happen because a faulty DQS_FOUND calibration could
// result in excessive skew between when the various IN_FIFO's
// first become not empty. In this case, the data going to each
// post-FIFO/IN_FIFO should be read out and discarded
// synthesis translate_off
default: begin
// Covers any other cases, in particular for simulation if
// any signals are X's
$display("ERR %m @%t: Bad access: rd:%b,wr:%b,empty:%b,full:%b",
$time, rd, wr, my_empty[1], my_full[1]);
rd_ptr <= #TCQ 2'bxx;
rd_ptr_timing <= #TCQ 2'bxx;
wr_ptr <= #TCQ 2'bxx;
end
// synthesis translate_on
endcase
end
endtask
assign d_out = my_empty[4] ? d_in : mem_out;//mem[rd_ptr];
// The combined IN_FIFO + post FIFO is only "empty" when both are empty
assign empty_out = empty_in[0] & my_empty[0];
assign byte_rd_en = !empty_in[3] || !my_empty[3];
always @(posedge clk)
if (rst) begin
my_empty <= #TCQ 5'b11111;
my_full <= #TCQ 2'b00;
rd_ptr <= #TCQ 'b0;
rd_ptr_timing <= #TCQ 'b0;
wr_ptr <= #TCQ 'b0;
end else begin
// Special mode: If IN_FIFO has data, and controller is reading at
// the same time, then operate post-FIFO in "passthrough" mode (i.e.
// don't update any of the read/write pointers, and route IN_FIFO
// data to post-FIFO data)
if (my_empty[1] && !my_full[1] && rd_en_in && !empty_in[1]) ;
else
// Otherwise, we're writing to FIFO when IN_FIFO is not empty,
// and reading from the FIFO based on the rd_en_in signal (read
// enable from controller). The functino updt_ptrs should catch
// an illegal conditions.
updt_ptrs(rd_en_in, !empty_in[1]);
end
assign wr_en = (!empty_in[2] & ((!rd_en_in & !my_full[0]) |
(rd_en_in & !my_empty[2])));
always @ (posedge clk)
begin
if (wr_en)
mem[wr_ptr] <= #TCQ d_in;
end
assign mem_out = mem[rd_ptr_timing];
endmodule
|
module mig_7series_v2_3_ddr_if_post_fifo #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter DEPTH = 4, // # of entries
parameter WIDTH = 32 // data bus width
)
(
input clk, // clock
input rst, // synchronous reset
input [3:0] empty_in,
input rd_en_in,
input [WIDTH-1:0] d_in, // write data from controller
output empty_out,
output byte_rd_en,
output [WIDTH-1:0] d_out // write data to OUT_FIFO
);
// # of bits used to represent read/write pointers
localparam PTR_BITS
= (DEPTH == 2) ? 1 :
(((DEPTH == 3) || (DEPTH == 4)) ? 2 : 'bx);
integer i;
reg [WIDTH-1:0] mem[0:DEPTH-1];
(* max_fanout = 40 *) reg [4:0] my_empty /* synthesis syn_maxfan = 3 */;
(* max_fanout = 40 *) reg [1:0] my_full /* synthesis syn_maxfan = 3 */;
reg [PTR_BITS-1:0] rd_ptr /* synthesis syn_maxfan = 10 */;
// Register duplication to reduce the fan out
(* KEEP = "TRUE" *) reg [PTR_BITS-1:0] rd_ptr_timing /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS-1:0] wr_ptr /* synthesis syn_maxfan = 10 */;
wire [WIDTH-1:0] mem_out;
(* max_fanout = 40 *) wire wr_en /* synthesis syn_maxfan = 10 */;
task updt_ptrs;
input rd;
input wr;
reg [1:0] next_rd_ptr;
reg [1:0] next_wr_ptr;
begin
next_rd_ptr = (rd_ptr + 1'b1)%DEPTH;
next_wr_ptr = (wr_ptr + 1'b1)%DEPTH;
casez ({rd, wr, my_empty[1], my_full[1]})
4'b00zz: ; // No access, do nothing
4'b0100: begin
// Write when neither empty, nor full; check for full
wr_ptr <= #TCQ next_wr_ptr;
my_full[0] <= #TCQ (next_wr_ptr == rd_ptr);
my_full[1] <= #TCQ (next_wr_ptr == rd_ptr);
//mem[wr_ptr] <= #TCQ d_in;
end
4'b0110: begin
// Write when empty; no need to check for full
wr_ptr <= #TCQ next_wr_ptr;
my_empty <= #TCQ 5'b00000;
//mem[wr_ptr] <= #TCQ d_in;
end
4'b1000: begin
// Read when neither empty, nor full; check for empty
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
my_empty[0] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[1] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[2] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[3] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[4] <= #TCQ (next_rd_ptr == wr_ptr);
end
4'b1001: begin
// Read when full; no need to check for empty
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
my_full[0] <= #TCQ 1'b0;
my_full[1] <= #TCQ 1'b0;
end
4'b1100, 4'b1101, 4'b1110: begin
// Read and write when empty, full, or neither empty/full; no need
// to check for empty or full conditions
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
wr_ptr <= #TCQ next_wr_ptr;
//mem[wr_ptr] <= #TCQ d_in;
end
4'b0101, 4'b1010: ;
// Read when empty, Write when full; Keep all pointers the same
// and don't change any of the flags (i.e. ignore the read/write).
// This might happen because a faulty DQS_FOUND calibration could
// result in excessive skew between when the various IN_FIFO's
// first become not empty. In this case, the data going to each
// post-FIFO/IN_FIFO should be read out and discarded
// synthesis translate_off
default: begin
// Covers any other cases, in particular for simulation if
// any signals are X's
$display("ERR %m @%t: Bad access: rd:%b,wr:%b,empty:%b,full:%b",
$time, rd, wr, my_empty[1], my_full[1]);
rd_ptr <= #TCQ 2'bxx;
rd_ptr_timing <= #TCQ 2'bxx;
wr_ptr <= #TCQ 2'bxx;
end
// synthesis translate_on
endcase
end
endtask
assign d_out = my_empty[4] ? d_in : mem_out;//mem[rd_ptr];
// The combined IN_FIFO + post FIFO is only "empty" when both are empty
assign empty_out = empty_in[0] & my_empty[0];
assign byte_rd_en = !empty_in[3] || !my_empty[3];
always @(posedge clk)
if (rst) begin
my_empty <= #TCQ 5'b11111;
my_full <= #TCQ 2'b00;
rd_ptr <= #TCQ 'b0;
rd_ptr_timing <= #TCQ 'b0;
wr_ptr <= #TCQ 'b0;
end else begin
// Special mode: If IN_FIFO has data, and controller is reading at
// the same time, then operate post-FIFO in "passthrough" mode (i.e.
// don't update any of the read/write pointers, and route IN_FIFO
// data to post-FIFO data)
if (my_empty[1] && !my_full[1] && rd_en_in && !empty_in[1]) ;
else
// Otherwise, we're writing to FIFO when IN_FIFO is not empty,
// and reading from the FIFO based on the rd_en_in signal (read
// enable from controller). The functino updt_ptrs should catch
// an illegal conditions.
updt_ptrs(rd_en_in, !empty_in[1]);
end
assign wr_en = (!empty_in[2] & ((!rd_en_in & !my_full[0]) |
(rd_en_in & !my_empty[2])));
always @ (posedge clk)
begin
if (wr_en)
mem[wr_ptr] <= #TCQ d_in;
end
assign mem_out = mem[rd_ptr_timing];
endmodule
|
module mig_7series_v2_3_ddr_if_post_fifo #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter DEPTH = 4, // # of entries
parameter WIDTH = 32 // data bus width
)
(
input clk, // clock
input rst, // synchronous reset
input [3:0] empty_in,
input rd_en_in,
input [WIDTH-1:0] d_in, // write data from controller
output empty_out,
output byte_rd_en,
output [WIDTH-1:0] d_out // write data to OUT_FIFO
);
// # of bits used to represent read/write pointers
localparam PTR_BITS
= (DEPTH == 2) ? 1 :
(((DEPTH == 3) || (DEPTH == 4)) ? 2 : 'bx);
integer i;
reg [WIDTH-1:0] mem[0:DEPTH-1];
(* max_fanout = 40 *) reg [4:0] my_empty /* synthesis syn_maxfan = 3 */;
(* max_fanout = 40 *) reg [1:0] my_full /* synthesis syn_maxfan = 3 */;
reg [PTR_BITS-1:0] rd_ptr /* synthesis syn_maxfan = 10 */;
// Register duplication to reduce the fan out
(* KEEP = "TRUE" *) reg [PTR_BITS-1:0] rd_ptr_timing /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS-1:0] wr_ptr /* synthesis syn_maxfan = 10 */;
wire [WIDTH-1:0] mem_out;
(* max_fanout = 40 *) wire wr_en /* synthesis syn_maxfan = 10 */;
task updt_ptrs;
input rd;
input wr;
reg [1:0] next_rd_ptr;
reg [1:0] next_wr_ptr;
begin
next_rd_ptr = (rd_ptr + 1'b1)%DEPTH;
next_wr_ptr = (wr_ptr + 1'b1)%DEPTH;
casez ({rd, wr, my_empty[1], my_full[1]})
4'b00zz: ; // No access, do nothing
4'b0100: begin
// Write when neither empty, nor full; check for full
wr_ptr <= #TCQ next_wr_ptr;
my_full[0] <= #TCQ (next_wr_ptr == rd_ptr);
my_full[1] <= #TCQ (next_wr_ptr == rd_ptr);
//mem[wr_ptr] <= #TCQ d_in;
end
4'b0110: begin
// Write when empty; no need to check for full
wr_ptr <= #TCQ next_wr_ptr;
my_empty <= #TCQ 5'b00000;
//mem[wr_ptr] <= #TCQ d_in;
end
4'b1000: begin
// Read when neither empty, nor full; check for empty
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
my_empty[0] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[1] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[2] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[3] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[4] <= #TCQ (next_rd_ptr == wr_ptr);
end
4'b1001: begin
// Read when full; no need to check for empty
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
my_full[0] <= #TCQ 1'b0;
my_full[1] <= #TCQ 1'b0;
end
4'b1100, 4'b1101, 4'b1110: begin
// Read and write when empty, full, or neither empty/full; no need
// to check for empty or full conditions
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
wr_ptr <= #TCQ next_wr_ptr;
//mem[wr_ptr] <= #TCQ d_in;
end
4'b0101, 4'b1010: ;
// Read when empty, Write when full; Keep all pointers the same
// and don't change any of the flags (i.e. ignore the read/write).
// This might happen because a faulty DQS_FOUND calibration could
// result in excessive skew between when the various IN_FIFO's
// first become not empty. In this case, the data going to each
// post-FIFO/IN_FIFO should be read out and discarded
// synthesis translate_off
default: begin
// Covers any other cases, in particular for simulation if
// any signals are X's
$display("ERR %m @%t: Bad access: rd:%b,wr:%b,empty:%b,full:%b",
$time, rd, wr, my_empty[1], my_full[1]);
rd_ptr <= #TCQ 2'bxx;
rd_ptr_timing <= #TCQ 2'bxx;
wr_ptr <= #TCQ 2'bxx;
end
// synthesis translate_on
endcase
end
endtask
assign d_out = my_empty[4] ? d_in : mem_out;//mem[rd_ptr];
// The combined IN_FIFO + post FIFO is only "empty" when both are empty
assign empty_out = empty_in[0] & my_empty[0];
assign byte_rd_en = !empty_in[3] || !my_empty[3];
always @(posedge clk)
if (rst) begin
my_empty <= #TCQ 5'b11111;
my_full <= #TCQ 2'b00;
rd_ptr <= #TCQ 'b0;
rd_ptr_timing <= #TCQ 'b0;
wr_ptr <= #TCQ 'b0;
end else begin
// Special mode: If IN_FIFO has data, and controller is reading at
// the same time, then operate post-FIFO in "passthrough" mode (i.e.
// don't update any of the read/write pointers, and route IN_FIFO
// data to post-FIFO data)
if (my_empty[1] && !my_full[1] && rd_en_in && !empty_in[1]) ;
else
// Otherwise, we're writing to FIFO when IN_FIFO is not empty,
// and reading from the FIFO based on the rd_en_in signal (read
// enable from controller). The functino updt_ptrs should catch
// an illegal conditions.
updt_ptrs(rd_en_in, !empty_in[1]);
end
assign wr_en = (!empty_in[2] & ((!rd_en_in & !my_full[0]) |
(rd_en_in & !my_empty[2])));
always @ (posedge clk)
begin
if (wr_en)
mem[wr_ptr] <= #TCQ d_in;
end
assign mem_out = mem[rd_ptr_timing];
endmodule
|
module mig_7series_v2_3_ddr_if_post_fifo #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter DEPTH = 4, // # of entries
parameter WIDTH = 32 // data bus width
)
(
input clk, // clock
input rst, // synchronous reset
input [3:0] empty_in,
input rd_en_in,
input [WIDTH-1:0] d_in, // write data from controller
output empty_out,
output byte_rd_en,
output [WIDTH-1:0] d_out // write data to OUT_FIFO
);
// # of bits used to represent read/write pointers
localparam PTR_BITS
= (DEPTH == 2) ? 1 :
(((DEPTH == 3) || (DEPTH == 4)) ? 2 : 'bx);
integer i;
reg [WIDTH-1:0] mem[0:DEPTH-1];
(* max_fanout = 40 *) reg [4:0] my_empty /* synthesis syn_maxfan = 3 */;
(* max_fanout = 40 *) reg [1:0] my_full /* synthesis syn_maxfan = 3 */;
reg [PTR_BITS-1:0] rd_ptr /* synthesis syn_maxfan = 10 */;
// Register duplication to reduce the fan out
(* KEEP = "TRUE" *) reg [PTR_BITS-1:0] rd_ptr_timing /* synthesis syn_maxfan = 10 */;
reg [PTR_BITS-1:0] wr_ptr /* synthesis syn_maxfan = 10 */;
wire [WIDTH-1:0] mem_out;
(* max_fanout = 40 *) wire wr_en /* synthesis syn_maxfan = 10 */;
task updt_ptrs;
input rd;
input wr;
reg [1:0] next_rd_ptr;
reg [1:0] next_wr_ptr;
begin
next_rd_ptr = (rd_ptr + 1'b1)%DEPTH;
next_wr_ptr = (wr_ptr + 1'b1)%DEPTH;
casez ({rd, wr, my_empty[1], my_full[1]})
4'b00zz: ; // No access, do nothing
4'b0100: begin
// Write when neither empty, nor full; check for full
wr_ptr <= #TCQ next_wr_ptr;
my_full[0] <= #TCQ (next_wr_ptr == rd_ptr);
my_full[1] <= #TCQ (next_wr_ptr == rd_ptr);
//mem[wr_ptr] <= #TCQ d_in;
end
4'b0110: begin
// Write when empty; no need to check for full
wr_ptr <= #TCQ next_wr_ptr;
my_empty <= #TCQ 5'b00000;
//mem[wr_ptr] <= #TCQ d_in;
end
4'b1000: begin
// Read when neither empty, nor full; check for empty
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
my_empty[0] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[1] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[2] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[3] <= #TCQ (next_rd_ptr == wr_ptr);
my_empty[4] <= #TCQ (next_rd_ptr == wr_ptr);
end
4'b1001: begin
// Read when full; no need to check for empty
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
my_full[0] <= #TCQ 1'b0;
my_full[1] <= #TCQ 1'b0;
end
4'b1100, 4'b1101, 4'b1110: begin
// Read and write when empty, full, or neither empty/full; no need
// to check for empty or full conditions
rd_ptr <= #TCQ next_rd_ptr;
rd_ptr_timing <= #TCQ next_rd_ptr;
wr_ptr <= #TCQ next_wr_ptr;
//mem[wr_ptr] <= #TCQ d_in;
end
4'b0101, 4'b1010: ;
// Read when empty, Write when full; Keep all pointers the same
// and don't change any of the flags (i.e. ignore the read/write).
// This might happen because a faulty DQS_FOUND calibration could
// result in excessive skew between when the various IN_FIFO's
// first become not empty. In this case, the data going to each
// post-FIFO/IN_FIFO should be read out and discarded
// synthesis translate_off
default: begin
// Covers any other cases, in particular for simulation if
// any signals are X's
$display("ERR %m @%t: Bad access: rd:%b,wr:%b,empty:%b,full:%b",
$time, rd, wr, my_empty[1], my_full[1]);
rd_ptr <= #TCQ 2'bxx;
rd_ptr_timing <= #TCQ 2'bxx;
wr_ptr <= #TCQ 2'bxx;
end
// synthesis translate_on
endcase
end
endtask
assign d_out = my_empty[4] ? d_in : mem_out;//mem[rd_ptr];
// The combined IN_FIFO + post FIFO is only "empty" when both are empty
assign empty_out = empty_in[0] & my_empty[0];
assign byte_rd_en = !empty_in[3] || !my_empty[3];
always @(posedge clk)
if (rst) begin
my_empty <= #TCQ 5'b11111;
my_full <= #TCQ 2'b00;
rd_ptr <= #TCQ 'b0;
rd_ptr_timing <= #TCQ 'b0;
wr_ptr <= #TCQ 'b0;
end else begin
// Special mode: If IN_FIFO has data, and controller is reading at
// the same time, then operate post-FIFO in "passthrough" mode (i.e.
// don't update any of the read/write pointers, and route IN_FIFO
// data to post-FIFO data)
if (my_empty[1] && !my_full[1] && rd_en_in && !empty_in[1]) ;
else
// Otherwise, we're writing to FIFO when IN_FIFO is not empty,
// and reading from the FIFO based on the rd_en_in signal (read
// enable from controller). The functino updt_ptrs should catch
// an illegal conditions.
updt_ptrs(rd_en_in, !empty_in[1]);
end
assign wr_en = (!empty_in[2] & ((!rd_en_in & !my_full[0]) |
(rd_en_in & !my_empty[2])));
always @ (posedge clk)
begin
if (wr_en)
mem[wr_ptr] <= #TCQ d_in;
end
assign mem_out = mem[rd_ptr_timing];
endmodule
|
module mig_7series_v2_3_ddr_phy_ocd_mux #
(parameter DQS_CNT_WIDTH = 3,
parameter DQS_WIDTH = 8,
parameter TCQ = 100)
(/*AUTOARG*/
// Outputs
ktap_at_left_edge, ktap_at_right_edge, mmcm_edge_detect_rdy,
po_stg3_incdec, po_en_stg3, po_en_stg23, po_stg23_sel,
po_stg23_incdec, po_rdy, wl_po_fine_cnt_sel, oclk_prech_req,
// Inputs
clk, rst, ocd_ktap_right, ocd_ktap_left, lim2poc_ktap_right,
lim2poc_rdy, ocd_edge_detect_rdy, lim2stg2_inc, lim2stg2_dec,
lim2stg3_inc, lim2stg3_dec, ocd2stg2_inc, ocd2stg2_dec,
ocd_cntlr2stg2_dec, ocd2stg3_inc, ocd2stg3_dec, wl_po_fine_cnt,
oclkdelay_calib_cnt, lim2init_prech_req, ocd_prech_req
);
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
localparam PO_WAIT = 15;
localparam POW_WIDTH = clogb2(PO_WAIT);
localparam ONE = 1;
localparam TWO = 2;
input clk;
input rst;
input ocd_ktap_right, ocd_ktap_left;
input lim2poc_ktap_right;
output ktap_at_left_edge, ktap_at_right_edge;
assign ktap_at_left_edge = ocd_ktap_left;
assign ktap_at_right_edge = lim2poc_ktap_right || ocd_ktap_right;
input lim2poc_rdy;
input ocd_edge_detect_rdy;
output mmcm_edge_detect_rdy;
assign mmcm_edge_detect_rdy = lim2poc_rdy || ocd_edge_detect_rdy;
// po_stg3_incdec and po_en_stg3 are deprecated and should be removed.
output po_stg3_incdec;
output po_en_stg3;
assign po_stg3_incdec = 1'b0;
assign po_en_stg3 = 1'b0;
reg [1:0] po_setup_ns, po_setup_r;
always @(posedge clk) po_setup_r <= #TCQ po_setup_ns;
input lim2stg2_inc;
input lim2stg2_dec;
input lim2stg3_inc;
input lim2stg3_dec;
input ocd2stg2_inc;
input ocd2stg2_dec;
input ocd_cntlr2stg2_dec;
input ocd2stg3_inc;
input ocd2stg3_dec;
wire setup_po =
lim2stg2_inc || lim2stg2_dec || lim2stg3_inc || lim2stg3_dec ||
ocd2stg2_inc || ocd2stg2_dec || ocd2stg3_inc || ocd2stg3_dec || ocd_cntlr2stg2_dec;
always @(*) begin
po_setup_ns = po_setup_r;
if (rst) po_setup_ns = 2'b00;
else if (setup_po) po_setup_ns = 2'b11;
else if (|po_setup_r) po_setup_ns = po_setup_r - 2'b01;
end
reg po_en_stg23_r;
wire po_en_stg23_ns = ~rst && po_setup_r == 2'b01;
always @(posedge clk) po_en_stg23_r <= #TCQ po_en_stg23_ns;
output po_en_stg23;
assign po_en_stg23 = po_en_stg23_r;
wire sel_stg3 = lim2stg3_inc || lim2stg3_dec || ocd2stg3_inc || ocd2stg3_dec;
reg [POW_WIDTH-1:0] po_wait_r, po_wait_ns;
reg po_stg23_sel_r;
// Reset to zero at the end. Makes adjust stg2 at end of centering
// get the correct value of po_counter_read_val.
wire po_stg23_sel_ns = ~rst && (setup_po
? sel_stg3
? 1'b1
: 1'b0
: po_stg23_sel_r && !(po_wait_r == ONE[POW_WIDTH-1:0]));
always @(posedge clk) po_stg23_sel_r <= #TCQ po_stg23_sel_ns;
output po_stg23_sel;
assign po_stg23_sel = po_stg23_sel_r;
wire po_inc = lim2stg2_inc || lim2stg3_inc || ocd2stg2_inc || ocd2stg3_inc;
reg po_stg23_incdec_r;
wire po_stg23_incdec_ns = ~rst && (setup_po ? po_inc ? 1'b1 : 1'b0 : po_stg23_incdec_r);
always @(posedge clk) po_stg23_incdec_r <= #TCQ po_stg23_incdec_ns;
output po_stg23_incdec;
assign po_stg23_incdec = po_stg23_incdec_r;
always @(posedge clk) po_wait_r <= #TCQ po_wait_ns;
always @(*) begin
po_wait_ns = po_wait_r;
if (rst) po_wait_ns = {POW_WIDTH{1'b0}};
else if (po_en_stg23_r) po_wait_ns = PO_WAIT[POW_WIDTH-1:0] - ONE[POW_WIDTH-1:0];
else if (po_wait_r != {POW_WIDTH{1'b0}}) po_wait_ns = po_wait_r - ONE[POW_WIDTH-1:0];
end
wire po_rdy_ns = ~(setup_po || |po_setup_r || |po_wait_ns);
reg po_rdy_r;
always @(posedge clk) po_rdy_r <= #TCQ po_rdy_ns;
output po_rdy;
assign po_rdy = po_rdy_r;
input [6*DQS_WIDTH-1:0] wl_po_fine_cnt;
input [DQS_CNT_WIDTH:0] oclkdelay_calib_cnt;
wire [6*DQS_WIDTH-1:0] wl_po_fine_shifted = wl_po_fine_cnt >> oclkdelay_calib_cnt*6;
output [5:0] wl_po_fine_cnt_sel;
assign wl_po_fine_cnt_sel = wl_po_fine_shifted[5:0];
input lim2init_prech_req;
input ocd_prech_req;
output oclk_prech_req;
assign oclk_prech_req = ocd_prech_req || lim2init_prech_req;
endmodule
|
module mig_7series_v2_3_ddr_phy_ocd_mux #
(parameter DQS_CNT_WIDTH = 3,
parameter DQS_WIDTH = 8,
parameter TCQ = 100)
(/*AUTOARG*/
// Outputs
ktap_at_left_edge, ktap_at_right_edge, mmcm_edge_detect_rdy,
po_stg3_incdec, po_en_stg3, po_en_stg23, po_stg23_sel,
po_stg23_incdec, po_rdy, wl_po_fine_cnt_sel, oclk_prech_req,
// Inputs
clk, rst, ocd_ktap_right, ocd_ktap_left, lim2poc_ktap_right,
lim2poc_rdy, ocd_edge_detect_rdy, lim2stg2_inc, lim2stg2_dec,
lim2stg3_inc, lim2stg3_dec, ocd2stg2_inc, ocd2stg2_dec,
ocd_cntlr2stg2_dec, ocd2stg3_inc, ocd2stg3_dec, wl_po_fine_cnt,
oclkdelay_calib_cnt, lim2init_prech_req, ocd_prech_req
);
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
localparam PO_WAIT = 15;
localparam POW_WIDTH = clogb2(PO_WAIT);
localparam ONE = 1;
localparam TWO = 2;
input clk;
input rst;
input ocd_ktap_right, ocd_ktap_left;
input lim2poc_ktap_right;
output ktap_at_left_edge, ktap_at_right_edge;
assign ktap_at_left_edge = ocd_ktap_left;
assign ktap_at_right_edge = lim2poc_ktap_right || ocd_ktap_right;
input lim2poc_rdy;
input ocd_edge_detect_rdy;
output mmcm_edge_detect_rdy;
assign mmcm_edge_detect_rdy = lim2poc_rdy || ocd_edge_detect_rdy;
// po_stg3_incdec and po_en_stg3 are deprecated and should be removed.
output po_stg3_incdec;
output po_en_stg3;
assign po_stg3_incdec = 1'b0;
assign po_en_stg3 = 1'b0;
reg [1:0] po_setup_ns, po_setup_r;
always @(posedge clk) po_setup_r <= #TCQ po_setup_ns;
input lim2stg2_inc;
input lim2stg2_dec;
input lim2stg3_inc;
input lim2stg3_dec;
input ocd2stg2_inc;
input ocd2stg2_dec;
input ocd_cntlr2stg2_dec;
input ocd2stg3_inc;
input ocd2stg3_dec;
wire setup_po =
lim2stg2_inc || lim2stg2_dec || lim2stg3_inc || lim2stg3_dec ||
ocd2stg2_inc || ocd2stg2_dec || ocd2stg3_inc || ocd2stg3_dec || ocd_cntlr2stg2_dec;
always @(*) begin
po_setup_ns = po_setup_r;
if (rst) po_setup_ns = 2'b00;
else if (setup_po) po_setup_ns = 2'b11;
else if (|po_setup_r) po_setup_ns = po_setup_r - 2'b01;
end
reg po_en_stg23_r;
wire po_en_stg23_ns = ~rst && po_setup_r == 2'b01;
always @(posedge clk) po_en_stg23_r <= #TCQ po_en_stg23_ns;
output po_en_stg23;
assign po_en_stg23 = po_en_stg23_r;
wire sel_stg3 = lim2stg3_inc || lim2stg3_dec || ocd2stg3_inc || ocd2stg3_dec;
reg [POW_WIDTH-1:0] po_wait_r, po_wait_ns;
reg po_stg23_sel_r;
// Reset to zero at the end. Makes adjust stg2 at end of centering
// get the correct value of po_counter_read_val.
wire po_stg23_sel_ns = ~rst && (setup_po
? sel_stg3
? 1'b1
: 1'b0
: po_stg23_sel_r && !(po_wait_r == ONE[POW_WIDTH-1:0]));
always @(posedge clk) po_stg23_sel_r <= #TCQ po_stg23_sel_ns;
output po_stg23_sel;
assign po_stg23_sel = po_stg23_sel_r;
wire po_inc = lim2stg2_inc || lim2stg3_inc || ocd2stg2_inc || ocd2stg3_inc;
reg po_stg23_incdec_r;
wire po_stg23_incdec_ns = ~rst && (setup_po ? po_inc ? 1'b1 : 1'b0 : po_stg23_incdec_r);
always @(posedge clk) po_stg23_incdec_r <= #TCQ po_stg23_incdec_ns;
output po_stg23_incdec;
assign po_stg23_incdec = po_stg23_incdec_r;
always @(posedge clk) po_wait_r <= #TCQ po_wait_ns;
always @(*) begin
po_wait_ns = po_wait_r;
if (rst) po_wait_ns = {POW_WIDTH{1'b0}};
else if (po_en_stg23_r) po_wait_ns = PO_WAIT[POW_WIDTH-1:0] - ONE[POW_WIDTH-1:0];
else if (po_wait_r != {POW_WIDTH{1'b0}}) po_wait_ns = po_wait_r - ONE[POW_WIDTH-1:0];
end
wire po_rdy_ns = ~(setup_po || |po_setup_r || |po_wait_ns);
reg po_rdy_r;
always @(posedge clk) po_rdy_r <= #TCQ po_rdy_ns;
output po_rdy;
assign po_rdy = po_rdy_r;
input [6*DQS_WIDTH-1:0] wl_po_fine_cnt;
input [DQS_CNT_WIDTH:0] oclkdelay_calib_cnt;
wire [6*DQS_WIDTH-1:0] wl_po_fine_shifted = wl_po_fine_cnt >> oclkdelay_calib_cnt*6;
output [5:0] wl_po_fine_cnt_sel;
assign wl_po_fine_cnt_sel = wl_po_fine_shifted[5:0];
input lim2init_prech_req;
input ocd_prech_req;
output oclk_prech_req;
assign oclk_prech_req = ocd_prech_req || lim2init_prech_req;
endmodule
|
module mig_7series_v2_3_ddr_phy_ocd_mux #
(parameter DQS_CNT_WIDTH = 3,
parameter DQS_WIDTH = 8,
parameter TCQ = 100)
(/*AUTOARG*/
// Outputs
ktap_at_left_edge, ktap_at_right_edge, mmcm_edge_detect_rdy,
po_stg3_incdec, po_en_stg3, po_en_stg23, po_stg23_sel,
po_stg23_incdec, po_rdy, wl_po_fine_cnt_sel, oclk_prech_req,
// Inputs
clk, rst, ocd_ktap_right, ocd_ktap_left, lim2poc_ktap_right,
lim2poc_rdy, ocd_edge_detect_rdy, lim2stg2_inc, lim2stg2_dec,
lim2stg3_inc, lim2stg3_dec, ocd2stg2_inc, ocd2stg2_dec,
ocd_cntlr2stg2_dec, ocd2stg3_inc, ocd2stg3_dec, wl_po_fine_cnt,
oclkdelay_calib_cnt, lim2init_prech_req, ocd_prech_req
);
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
localparam PO_WAIT = 15;
localparam POW_WIDTH = clogb2(PO_WAIT);
localparam ONE = 1;
localparam TWO = 2;
input clk;
input rst;
input ocd_ktap_right, ocd_ktap_left;
input lim2poc_ktap_right;
output ktap_at_left_edge, ktap_at_right_edge;
assign ktap_at_left_edge = ocd_ktap_left;
assign ktap_at_right_edge = lim2poc_ktap_right || ocd_ktap_right;
input lim2poc_rdy;
input ocd_edge_detect_rdy;
output mmcm_edge_detect_rdy;
assign mmcm_edge_detect_rdy = lim2poc_rdy || ocd_edge_detect_rdy;
// po_stg3_incdec and po_en_stg3 are deprecated and should be removed.
output po_stg3_incdec;
output po_en_stg3;
assign po_stg3_incdec = 1'b0;
assign po_en_stg3 = 1'b0;
reg [1:0] po_setup_ns, po_setup_r;
always @(posedge clk) po_setup_r <= #TCQ po_setup_ns;
input lim2stg2_inc;
input lim2stg2_dec;
input lim2stg3_inc;
input lim2stg3_dec;
input ocd2stg2_inc;
input ocd2stg2_dec;
input ocd_cntlr2stg2_dec;
input ocd2stg3_inc;
input ocd2stg3_dec;
wire setup_po =
lim2stg2_inc || lim2stg2_dec || lim2stg3_inc || lim2stg3_dec ||
ocd2stg2_inc || ocd2stg2_dec || ocd2stg3_inc || ocd2stg3_dec || ocd_cntlr2stg2_dec;
always @(*) begin
po_setup_ns = po_setup_r;
if (rst) po_setup_ns = 2'b00;
else if (setup_po) po_setup_ns = 2'b11;
else if (|po_setup_r) po_setup_ns = po_setup_r - 2'b01;
end
reg po_en_stg23_r;
wire po_en_stg23_ns = ~rst && po_setup_r == 2'b01;
always @(posedge clk) po_en_stg23_r <= #TCQ po_en_stg23_ns;
output po_en_stg23;
assign po_en_stg23 = po_en_stg23_r;
wire sel_stg3 = lim2stg3_inc || lim2stg3_dec || ocd2stg3_inc || ocd2stg3_dec;
reg [POW_WIDTH-1:0] po_wait_r, po_wait_ns;
reg po_stg23_sel_r;
// Reset to zero at the end. Makes adjust stg2 at end of centering
// get the correct value of po_counter_read_val.
wire po_stg23_sel_ns = ~rst && (setup_po
? sel_stg3
? 1'b1
: 1'b0
: po_stg23_sel_r && !(po_wait_r == ONE[POW_WIDTH-1:0]));
always @(posedge clk) po_stg23_sel_r <= #TCQ po_stg23_sel_ns;
output po_stg23_sel;
assign po_stg23_sel = po_stg23_sel_r;
wire po_inc = lim2stg2_inc || lim2stg3_inc || ocd2stg2_inc || ocd2stg3_inc;
reg po_stg23_incdec_r;
wire po_stg23_incdec_ns = ~rst && (setup_po ? po_inc ? 1'b1 : 1'b0 : po_stg23_incdec_r);
always @(posedge clk) po_stg23_incdec_r <= #TCQ po_stg23_incdec_ns;
output po_stg23_incdec;
assign po_stg23_incdec = po_stg23_incdec_r;
always @(posedge clk) po_wait_r <= #TCQ po_wait_ns;
always @(*) begin
po_wait_ns = po_wait_r;
if (rst) po_wait_ns = {POW_WIDTH{1'b0}};
else if (po_en_stg23_r) po_wait_ns = PO_WAIT[POW_WIDTH-1:0] - ONE[POW_WIDTH-1:0];
else if (po_wait_r != {POW_WIDTH{1'b0}}) po_wait_ns = po_wait_r - ONE[POW_WIDTH-1:0];
end
wire po_rdy_ns = ~(setup_po || |po_setup_r || |po_wait_ns);
reg po_rdy_r;
always @(posedge clk) po_rdy_r <= #TCQ po_rdy_ns;
output po_rdy;
assign po_rdy = po_rdy_r;
input [6*DQS_WIDTH-1:0] wl_po_fine_cnt;
input [DQS_CNT_WIDTH:0] oclkdelay_calib_cnt;
wire [6*DQS_WIDTH-1:0] wl_po_fine_shifted = wl_po_fine_cnt >> oclkdelay_calib_cnt*6;
output [5:0] wl_po_fine_cnt_sel;
assign wl_po_fine_cnt_sel = wl_po_fine_shifted[5:0];
input lim2init_prech_req;
input ocd_prech_req;
output oclk_prech_req;
assign oclk_prech_req = ocd_prech_req || lim2init_prech_req;
endmodule
|
module mig_7series_v2_3_ddr_phy_ocd_mux #
(parameter DQS_CNT_WIDTH = 3,
parameter DQS_WIDTH = 8,
parameter TCQ = 100)
(/*AUTOARG*/
// Outputs
ktap_at_left_edge, ktap_at_right_edge, mmcm_edge_detect_rdy,
po_stg3_incdec, po_en_stg3, po_en_stg23, po_stg23_sel,
po_stg23_incdec, po_rdy, wl_po_fine_cnt_sel, oclk_prech_req,
// Inputs
clk, rst, ocd_ktap_right, ocd_ktap_left, lim2poc_ktap_right,
lim2poc_rdy, ocd_edge_detect_rdy, lim2stg2_inc, lim2stg2_dec,
lim2stg3_inc, lim2stg3_dec, ocd2stg2_inc, ocd2stg2_dec,
ocd_cntlr2stg2_dec, ocd2stg3_inc, ocd2stg3_dec, wl_po_fine_cnt,
oclkdelay_calib_cnt, lim2init_prech_req, ocd_prech_req
);
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
localparam PO_WAIT = 15;
localparam POW_WIDTH = clogb2(PO_WAIT);
localparam ONE = 1;
localparam TWO = 2;
input clk;
input rst;
input ocd_ktap_right, ocd_ktap_left;
input lim2poc_ktap_right;
output ktap_at_left_edge, ktap_at_right_edge;
assign ktap_at_left_edge = ocd_ktap_left;
assign ktap_at_right_edge = lim2poc_ktap_right || ocd_ktap_right;
input lim2poc_rdy;
input ocd_edge_detect_rdy;
output mmcm_edge_detect_rdy;
assign mmcm_edge_detect_rdy = lim2poc_rdy || ocd_edge_detect_rdy;
// po_stg3_incdec and po_en_stg3 are deprecated and should be removed.
output po_stg3_incdec;
output po_en_stg3;
assign po_stg3_incdec = 1'b0;
assign po_en_stg3 = 1'b0;
reg [1:0] po_setup_ns, po_setup_r;
always @(posedge clk) po_setup_r <= #TCQ po_setup_ns;
input lim2stg2_inc;
input lim2stg2_dec;
input lim2stg3_inc;
input lim2stg3_dec;
input ocd2stg2_inc;
input ocd2stg2_dec;
input ocd_cntlr2stg2_dec;
input ocd2stg3_inc;
input ocd2stg3_dec;
wire setup_po =
lim2stg2_inc || lim2stg2_dec || lim2stg3_inc || lim2stg3_dec ||
ocd2stg2_inc || ocd2stg2_dec || ocd2stg3_inc || ocd2stg3_dec || ocd_cntlr2stg2_dec;
always @(*) begin
po_setup_ns = po_setup_r;
if (rst) po_setup_ns = 2'b00;
else if (setup_po) po_setup_ns = 2'b11;
else if (|po_setup_r) po_setup_ns = po_setup_r - 2'b01;
end
reg po_en_stg23_r;
wire po_en_stg23_ns = ~rst && po_setup_r == 2'b01;
always @(posedge clk) po_en_stg23_r <= #TCQ po_en_stg23_ns;
output po_en_stg23;
assign po_en_stg23 = po_en_stg23_r;
wire sel_stg3 = lim2stg3_inc || lim2stg3_dec || ocd2stg3_inc || ocd2stg3_dec;
reg [POW_WIDTH-1:0] po_wait_r, po_wait_ns;
reg po_stg23_sel_r;
// Reset to zero at the end. Makes adjust stg2 at end of centering
// get the correct value of po_counter_read_val.
wire po_stg23_sel_ns = ~rst && (setup_po
? sel_stg3
? 1'b1
: 1'b0
: po_stg23_sel_r && !(po_wait_r == ONE[POW_WIDTH-1:0]));
always @(posedge clk) po_stg23_sel_r <= #TCQ po_stg23_sel_ns;
output po_stg23_sel;
assign po_stg23_sel = po_stg23_sel_r;
wire po_inc = lim2stg2_inc || lim2stg3_inc || ocd2stg2_inc || ocd2stg3_inc;
reg po_stg23_incdec_r;
wire po_stg23_incdec_ns = ~rst && (setup_po ? po_inc ? 1'b1 : 1'b0 : po_stg23_incdec_r);
always @(posedge clk) po_stg23_incdec_r <= #TCQ po_stg23_incdec_ns;
output po_stg23_incdec;
assign po_stg23_incdec = po_stg23_incdec_r;
always @(posedge clk) po_wait_r <= #TCQ po_wait_ns;
always @(*) begin
po_wait_ns = po_wait_r;
if (rst) po_wait_ns = {POW_WIDTH{1'b0}};
else if (po_en_stg23_r) po_wait_ns = PO_WAIT[POW_WIDTH-1:0] - ONE[POW_WIDTH-1:0];
else if (po_wait_r != {POW_WIDTH{1'b0}}) po_wait_ns = po_wait_r - ONE[POW_WIDTH-1:0];
end
wire po_rdy_ns = ~(setup_po || |po_setup_r || |po_wait_ns);
reg po_rdy_r;
always @(posedge clk) po_rdy_r <= #TCQ po_rdy_ns;
output po_rdy;
assign po_rdy = po_rdy_r;
input [6*DQS_WIDTH-1:0] wl_po_fine_cnt;
input [DQS_CNT_WIDTH:0] oclkdelay_calib_cnt;
wire [6*DQS_WIDTH-1:0] wl_po_fine_shifted = wl_po_fine_cnt >> oclkdelay_calib_cnt*6;
output [5:0] wl_po_fine_cnt_sel;
assign wl_po_fine_cnt_sel = wl_po_fine_shifted[5:0];
input lim2init_prech_req;
input ocd_prech_req;
output oclk_prech_req;
assign oclk_prech_req = ocd_prech_req || lim2init_prech_req;
endmodule
|
module mig_7series_v2_3_ddr_phy_ocd_mux #
(parameter DQS_CNT_WIDTH = 3,
parameter DQS_WIDTH = 8,
parameter TCQ = 100)
(/*AUTOARG*/
// Outputs
ktap_at_left_edge, ktap_at_right_edge, mmcm_edge_detect_rdy,
po_stg3_incdec, po_en_stg3, po_en_stg23, po_stg23_sel,
po_stg23_incdec, po_rdy, wl_po_fine_cnt_sel, oclk_prech_req,
// Inputs
clk, rst, ocd_ktap_right, ocd_ktap_left, lim2poc_ktap_right,
lim2poc_rdy, ocd_edge_detect_rdy, lim2stg2_inc, lim2stg2_dec,
lim2stg3_inc, lim2stg3_dec, ocd2stg2_inc, ocd2stg2_dec,
ocd_cntlr2stg2_dec, ocd2stg3_inc, ocd2stg3_dec, wl_po_fine_cnt,
oclkdelay_calib_cnt, lim2init_prech_req, ocd_prech_req
);
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
localparam PO_WAIT = 15;
localparam POW_WIDTH = clogb2(PO_WAIT);
localparam ONE = 1;
localparam TWO = 2;
input clk;
input rst;
input ocd_ktap_right, ocd_ktap_left;
input lim2poc_ktap_right;
output ktap_at_left_edge, ktap_at_right_edge;
assign ktap_at_left_edge = ocd_ktap_left;
assign ktap_at_right_edge = lim2poc_ktap_right || ocd_ktap_right;
input lim2poc_rdy;
input ocd_edge_detect_rdy;
output mmcm_edge_detect_rdy;
assign mmcm_edge_detect_rdy = lim2poc_rdy || ocd_edge_detect_rdy;
// po_stg3_incdec and po_en_stg3 are deprecated and should be removed.
output po_stg3_incdec;
output po_en_stg3;
assign po_stg3_incdec = 1'b0;
assign po_en_stg3 = 1'b0;
reg [1:0] po_setup_ns, po_setup_r;
always @(posedge clk) po_setup_r <= #TCQ po_setup_ns;
input lim2stg2_inc;
input lim2stg2_dec;
input lim2stg3_inc;
input lim2stg3_dec;
input ocd2stg2_inc;
input ocd2stg2_dec;
input ocd_cntlr2stg2_dec;
input ocd2stg3_inc;
input ocd2stg3_dec;
wire setup_po =
lim2stg2_inc || lim2stg2_dec || lim2stg3_inc || lim2stg3_dec ||
ocd2stg2_inc || ocd2stg2_dec || ocd2stg3_inc || ocd2stg3_dec || ocd_cntlr2stg2_dec;
always @(*) begin
po_setup_ns = po_setup_r;
if (rst) po_setup_ns = 2'b00;
else if (setup_po) po_setup_ns = 2'b11;
else if (|po_setup_r) po_setup_ns = po_setup_r - 2'b01;
end
reg po_en_stg23_r;
wire po_en_stg23_ns = ~rst && po_setup_r == 2'b01;
always @(posedge clk) po_en_stg23_r <= #TCQ po_en_stg23_ns;
output po_en_stg23;
assign po_en_stg23 = po_en_stg23_r;
wire sel_stg3 = lim2stg3_inc || lim2stg3_dec || ocd2stg3_inc || ocd2stg3_dec;
reg [POW_WIDTH-1:0] po_wait_r, po_wait_ns;
reg po_stg23_sel_r;
// Reset to zero at the end. Makes adjust stg2 at end of centering
// get the correct value of po_counter_read_val.
wire po_stg23_sel_ns = ~rst && (setup_po
? sel_stg3
? 1'b1
: 1'b0
: po_stg23_sel_r && !(po_wait_r == ONE[POW_WIDTH-1:0]));
always @(posedge clk) po_stg23_sel_r <= #TCQ po_stg23_sel_ns;
output po_stg23_sel;
assign po_stg23_sel = po_stg23_sel_r;
wire po_inc = lim2stg2_inc || lim2stg3_inc || ocd2stg2_inc || ocd2stg3_inc;
reg po_stg23_incdec_r;
wire po_stg23_incdec_ns = ~rst && (setup_po ? po_inc ? 1'b1 : 1'b0 : po_stg23_incdec_r);
always @(posedge clk) po_stg23_incdec_r <= #TCQ po_stg23_incdec_ns;
output po_stg23_incdec;
assign po_stg23_incdec = po_stg23_incdec_r;
always @(posedge clk) po_wait_r <= #TCQ po_wait_ns;
always @(*) begin
po_wait_ns = po_wait_r;
if (rst) po_wait_ns = {POW_WIDTH{1'b0}};
else if (po_en_stg23_r) po_wait_ns = PO_WAIT[POW_WIDTH-1:0] - ONE[POW_WIDTH-1:0];
else if (po_wait_r != {POW_WIDTH{1'b0}}) po_wait_ns = po_wait_r - ONE[POW_WIDTH-1:0];
end
wire po_rdy_ns = ~(setup_po || |po_setup_r || |po_wait_ns);
reg po_rdy_r;
always @(posedge clk) po_rdy_r <= #TCQ po_rdy_ns;
output po_rdy;
assign po_rdy = po_rdy_r;
input [6*DQS_WIDTH-1:0] wl_po_fine_cnt;
input [DQS_CNT_WIDTH:0] oclkdelay_calib_cnt;
wire [6*DQS_WIDTH-1:0] wl_po_fine_shifted = wl_po_fine_cnt >> oclkdelay_calib_cnt*6;
output [5:0] wl_po_fine_cnt_sel;
assign wl_po_fine_cnt_sel = wl_po_fine_shifted[5:0];
input lim2init_prech_req;
input ocd_prech_req;
output oclk_prech_req;
assign oclk_prech_req = ocd_prech_req || lim2init_prech_req;
endmodule
|
module mig_7series_v2_3_ui_rd_data #
(
parameter TCQ = 100,
parameter APP_DATA_WIDTH = 256,
parameter DATA_BUF_ADDR_WIDTH = 5,
parameter ECC = "OFF",
parameter nCK_PER_CLK = 2 ,
parameter ORDERING = "NORM"
)
(/*AUTOARG*/
// Outputs
ram_init_done_r, ram_init_addr, app_rd_data_valid, app_rd_data_end,
app_rd_data, app_ecc_multiple_err, rd_buf_full, rd_data_buf_addr_r,
// Inputs
rst, clk, rd_data_en, rd_data_addr, rd_data_offset, rd_data_end,
rd_data, ecc_multiple, rd_accepted
);
input rst;
input clk;
output wire ram_init_done_r;
output wire [3:0] ram_init_addr;
// rd_buf_indx points to the status and data storage rams for
// reading data out to the app.
reg [5:0] rd_buf_indx_r;
reg ram_init_done_r_lcl /* synthesis syn_maxfan = 10 */;
assign ram_init_done_r = ram_init_done_r_lcl;
wire app_rd_data_valid_ns;
wire single_data;
reg [5:0] rd_buf_indx_ns;
generate begin : rd_buf_indx
wire upd_rd_buf_indx = ~ram_init_done_r_lcl || app_rd_data_valid_ns;
// Loop through all status write addresses once after rst. Initializes
// the status and pointer RAMs.
wire ram_init_done_ns =
~rst && (ram_init_done_r_lcl || (rd_buf_indx_r[4:0] == 5'h1f));
always @(posedge clk) ram_init_done_r_lcl <= #TCQ ram_init_done_ns;
always @(/*AS*/rd_buf_indx_r or rst or single_data
or upd_rd_buf_indx) begin
rd_buf_indx_ns = rd_buf_indx_r;
if (rst) rd_buf_indx_ns = 6'b0;
else if (upd_rd_buf_indx) rd_buf_indx_ns =
// need to use every slot of RAMB32 if all address bits are used
rd_buf_indx_r + 6'h1 + (DATA_BUF_ADDR_WIDTH == 5 ? 0 : single_data);
end
always @(posedge clk) rd_buf_indx_r <= #TCQ rd_buf_indx_ns;
end
endgenerate
assign ram_init_addr = rd_buf_indx_r[3:0];
input rd_data_en;
input [DATA_BUF_ADDR_WIDTH-1:0] rd_data_addr;
input rd_data_offset;
input rd_data_end;
input [APP_DATA_WIDTH-1:0] rd_data;
output reg app_rd_data_valid /* synthesis syn_maxfan = 10 */;
output reg app_rd_data_end;
output reg [APP_DATA_WIDTH-1:0] app_rd_data;
input [3:0] ecc_multiple;
reg [2*nCK_PER_CLK-1:0] app_ecc_multiple_err_r = 'b0;
output wire [2*nCK_PER_CLK-1:0] app_ecc_multiple_err;
assign app_ecc_multiple_err = app_ecc_multiple_err_r;
input rd_accepted;
output wire rd_buf_full;
output wire [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r;
// Compute dimensions of read data buffer. Depending on width of
// DQ bus and DRAM CK
// to fabric ratio, number of RAM32Ms is variable. RAM32Ms are used in
// single write, single read, 6 bit wide mode.
localparam RD_BUF_WIDTH = APP_DATA_WIDTH + (ECC == "OFF" ? 0 : 2*nCK_PER_CLK);
localparam FULL_RAM_CNT = (RD_BUF_WIDTH/6);
localparam REMAINDER = RD_BUF_WIDTH % 6;
localparam RAM_CNT = FULL_RAM_CNT + ((REMAINDER == 0 ) ? 0 : 1);
localparam RAM_WIDTH = (RAM_CNT*6);
generate
if (ORDERING == "STRICT") begin : strict_mode
assign app_rd_data_valid_ns = 1'b0;
assign single_data = 1'b0;
assign rd_buf_full = 1'b0;
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r_lcl;
wire [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_ns =
rst
? 0
: rd_data_buf_addr_r_lcl + rd_accepted;
always @(posedge clk) rd_data_buf_addr_r_lcl <=
#TCQ rd_data_buf_addr_ns;
assign rd_data_buf_addr_r = rd_data_buf_addr_ns;
// app_* signals required to be registered.
if (ECC == "OFF") begin : ecc_off
always @(/*AS*/rd_data) app_rd_data = rd_data;
always @(/*AS*/rd_data_en) app_rd_data_valid = rd_data_en;
always @(/*AS*/rd_data_end) app_rd_data_end = rd_data_end;
end
else begin : ecc_on
always @(posedge clk) app_rd_data <= #TCQ rd_data;
always @(posedge clk) app_rd_data_valid <= #TCQ rd_data_en;
always @(posedge clk) app_rd_data_end <= #TCQ rd_data_end;
always @(posedge clk) app_ecc_multiple_err_r <= #TCQ ecc_multiple;
end
end
else begin : not_strict_mode
wire rd_buf_we = ~ram_init_done_r_lcl || rd_data_en /* synthesis syn_maxfan = 10 */;
// In configurations where read data is returned in a single fabric cycle
// the offset is always zero and we can use the bit to get a deeper
// FIFO. The RAMB32 has 5 address bits, so when the DATA_BUF_ADDR_WIDTH
// is set to use them all, discard the offset. Otherwise, include the
// offset.
wire [4:0] rd_buf_wr_addr = DATA_BUF_ADDR_WIDTH == 5 ?
rd_data_addr :
{rd_data_addr, rd_data_offset};
wire [1:0] rd_status;
// Instantiate status RAM. One bit for status and one for "end".
begin : status_ram
// Turns out read to write back status is a timing path. Update
// the status in the ram on the state following the read. Bypass
// the write data into the status read path.
wire [4:0] status_ram_wr_addr_ns = ram_init_done_r_lcl
? rd_buf_wr_addr
: rd_buf_indx_r[4:0];
reg [4:0] status_ram_wr_addr_r;
always @(posedge clk) status_ram_wr_addr_r <=
#TCQ status_ram_wr_addr_ns;
wire [1:0] wr_status;
// Not guaranteed to write second status bit. If it is written, always
// copy in the first status bit.
reg wr_status_r1;
always @(posedge clk) wr_status_r1 <= #TCQ wr_status[0];
wire [1:0] status_ram_wr_data_ns =
ram_init_done_r_lcl
? {rd_data_end, ~(rd_data_offset
? wr_status_r1
: wr_status[0])}
: 2'b0;
reg [1:0] status_ram_wr_data_r;
always @(posedge clk) status_ram_wr_data_r <=
#TCQ status_ram_wr_data_ns;
reg rd_buf_we_r1;
always @(posedge clk) rd_buf_we_r1 <= #TCQ rd_buf_we;
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(rd_status),
.DOB(),
.DOC(wr_status),
.DOD(),
.DIA(status_ram_wr_data_r),
.DIB(2'b0),
.DIC(status_ram_wr_data_r),
.DID(status_ram_wr_data_r),
.ADDRA(rd_buf_indx_r[4:0]),
.ADDRB(5'b0),
.ADDRC(status_ram_wr_addr_ns),
.ADDRD(status_ram_wr_addr_r),
.WE(rd_buf_we_r1),
.WCLK(clk)
);
end // block: status_ram
wire [RAM_WIDTH-1:0] rd_buf_out_data;
begin : rd_buf
wire [RAM_WIDTH-1:0] rd_buf_in_data;
if (REMAINDER == 0)
if (ECC == "OFF")
assign rd_buf_in_data = rd_data;
else
assign rd_buf_in_data = {ecc_multiple, rd_data};
else
if (ECC == "OFF")
assign rd_buf_in_data = {{6-REMAINDER{1'b0}}, rd_data};
else
assign rd_buf_in_data =
{{6-REMAINDER{1'b0}}, ecc_multiple, rd_data};
// Dedicated copy for driving distributed RAM.
(* keep = "true" *) reg [4:0] rd_buf_indx_copy_r /* synthesis syn_keep = 1 */;
always @(posedge clk) rd_buf_indx_copy_r <= #TCQ rd_buf_indx_ns[4:0];
genvar i;
for (i=0; i<RAM_CNT; i=i+1) begin : rd_buffer_ram
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(rd_buf_out_data[((i*6)+4)+:2]),
.DOB(rd_buf_out_data[((i*6)+2)+:2]),
.DOC(rd_buf_out_data[((i*6)+0)+:2]),
.DOD(),
.DIA(rd_buf_in_data[((i*6)+4)+:2]),
.DIB(rd_buf_in_data[((i*6)+2)+:2]),
.DIC(rd_buf_in_data[((i*6)+0)+:2]),
.DID(2'b0),
.ADDRA(rd_buf_indx_copy_r[4:0]),
.ADDRB(rd_buf_indx_copy_r[4:0]),
.ADDRC(rd_buf_indx_copy_r[4:0]),
.ADDRD(rd_buf_wr_addr),
.WE(rd_buf_we),
.WCLK(clk)
);
end // block: rd_buffer_ram
end
wire rd_data_rdy = (rd_status[0] == rd_buf_indx_r[5]);
wire bypass = rd_data_en && (rd_buf_wr_addr[4:0] == rd_buf_indx_r[4:0]) /* synthesis syn_maxfan = 10 */;
assign app_rd_data_valid_ns =
ram_init_done_r_lcl && (bypass || rd_data_rdy);
wire app_rd_data_end_ns = bypass ? rd_data_end : rd_status[1];
always @(posedge clk) app_rd_data_valid <= #TCQ app_rd_data_valid_ns;
always @(posedge clk) app_rd_data_end <= #TCQ app_rd_data_end_ns;
assign single_data =
app_rd_data_valid_ns && app_rd_data_end_ns && ~rd_buf_indx_r[0];
wire [APP_DATA_WIDTH-1:0] app_rd_data_ns =
bypass
? rd_data
: rd_buf_out_data[APP_DATA_WIDTH-1:0];
always @(posedge clk) app_rd_data <= #TCQ app_rd_data_ns;
if (ECC != "OFF") begin : assign_app_ecc_multiple
wire [3:0] app_ecc_multiple_err_ns =
bypass
? ecc_multiple
: rd_buf_out_data[APP_DATA_WIDTH+:4];
always @(posedge clk) app_ecc_multiple_err_r <=
#TCQ app_ecc_multiple_err_ns;
end
//Added to fix timing. The signal app_rd_data_valid has
//a very high fanout. So making a dedicated copy for usage
//with the occ_cnt counter.
(* equivalent_register_removal = "no" *)
reg app_rd_data_valid_copy;
always @(posedge clk) app_rd_data_valid_copy <= #TCQ app_rd_data_valid_ns;
// Keep track of how many entries in the queue hold data.
wire free_rd_buf = app_rd_data_valid_copy && app_rd_data_end; //changed to use registered version
//of the signals in ordered to fix timing
reg [DATA_BUF_ADDR_WIDTH:0] occ_cnt_r;
wire [DATA_BUF_ADDR_WIDTH:0] occ_minus_one = occ_cnt_r - 1;
wire [DATA_BUF_ADDR_WIDTH:0] occ_plus_one = occ_cnt_r + 1;
begin : occupied_counter
reg [DATA_BUF_ADDR_WIDTH:0] occ_cnt_ns;
always @(/*AS*/free_rd_buf or occ_cnt_r or rd_accepted or rst or occ_minus_one or occ_plus_one) begin
occ_cnt_ns = occ_cnt_r;
if (rst) occ_cnt_ns = 0;
else case ({rd_accepted, free_rd_buf})
2'b01 : occ_cnt_ns = occ_minus_one;
2'b10 : occ_cnt_ns = occ_plus_one;
endcase // case ({wr_data_end, new_rd_data})
end
always @(posedge clk) occ_cnt_r <= #TCQ occ_cnt_ns;
assign rd_buf_full = occ_cnt_ns[DATA_BUF_ADDR_WIDTH];
`ifdef MC_SVA
rd_data_buffer_full: cover property (@(posedge clk) (~rst && rd_buf_full));
rd_data_buffer_inc_dec_15: cover property (@(posedge clk)
(~rst && rd_accepted && free_rd_buf && (occ_cnt_r == 'hf)));
rd_data_underflow: assert property (@(posedge clk)
(rst || !((occ_cnt_r == 'b0) && (occ_cnt_ns == 'h1f))));
rd_data_overflow: assert property (@(posedge clk)
(rst || !((occ_cnt_r == 'h10) && (occ_cnt_ns == 'h11))));
`endif
end // block: occupied_counter
// Generate the data_buf_address written into the memory controller
// for reads. Increment with each accepted read, and rollover at 0xf.
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r_lcl;
assign rd_data_buf_addr_r = rd_data_buf_addr_r_lcl;
begin : data_buf_addr
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_ns;
always @(/*AS*/rd_accepted or rd_data_buf_addr_r_lcl or rst) begin
rd_data_buf_addr_ns = rd_data_buf_addr_r_lcl;
if (rst) rd_data_buf_addr_ns = 0;
else if (rd_accepted) rd_data_buf_addr_ns =
rd_data_buf_addr_r_lcl + 1;
end
always @(posedge clk) rd_data_buf_addr_r_lcl <=
#TCQ rd_data_buf_addr_ns;
end // block: data_buf_addr
end // block: not_strict_mode
endgenerate
endmodule
|
module mig_7series_v2_3_ui_rd_data #
(
parameter TCQ = 100,
parameter APP_DATA_WIDTH = 256,
parameter DATA_BUF_ADDR_WIDTH = 5,
parameter ECC = "OFF",
parameter nCK_PER_CLK = 2 ,
parameter ORDERING = "NORM"
)
(/*AUTOARG*/
// Outputs
ram_init_done_r, ram_init_addr, app_rd_data_valid, app_rd_data_end,
app_rd_data, app_ecc_multiple_err, rd_buf_full, rd_data_buf_addr_r,
// Inputs
rst, clk, rd_data_en, rd_data_addr, rd_data_offset, rd_data_end,
rd_data, ecc_multiple, rd_accepted
);
input rst;
input clk;
output wire ram_init_done_r;
output wire [3:0] ram_init_addr;
// rd_buf_indx points to the status and data storage rams for
// reading data out to the app.
reg [5:0] rd_buf_indx_r;
reg ram_init_done_r_lcl /* synthesis syn_maxfan = 10 */;
assign ram_init_done_r = ram_init_done_r_lcl;
wire app_rd_data_valid_ns;
wire single_data;
reg [5:0] rd_buf_indx_ns;
generate begin : rd_buf_indx
wire upd_rd_buf_indx = ~ram_init_done_r_lcl || app_rd_data_valid_ns;
// Loop through all status write addresses once after rst. Initializes
// the status and pointer RAMs.
wire ram_init_done_ns =
~rst && (ram_init_done_r_lcl || (rd_buf_indx_r[4:0] == 5'h1f));
always @(posedge clk) ram_init_done_r_lcl <= #TCQ ram_init_done_ns;
always @(/*AS*/rd_buf_indx_r or rst or single_data
or upd_rd_buf_indx) begin
rd_buf_indx_ns = rd_buf_indx_r;
if (rst) rd_buf_indx_ns = 6'b0;
else if (upd_rd_buf_indx) rd_buf_indx_ns =
// need to use every slot of RAMB32 if all address bits are used
rd_buf_indx_r + 6'h1 + (DATA_BUF_ADDR_WIDTH == 5 ? 0 : single_data);
end
always @(posedge clk) rd_buf_indx_r <= #TCQ rd_buf_indx_ns;
end
endgenerate
assign ram_init_addr = rd_buf_indx_r[3:0];
input rd_data_en;
input [DATA_BUF_ADDR_WIDTH-1:0] rd_data_addr;
input rd_data_offset;
input rd_data_end;
input [APP_DATA_WIDTH-1:0] rd_data;
output reg app_rd_data_valid /* synthesis syn_maxfan = 10 */;
output reg app_rd_data_end;
output reg [APP_DATA_WIDTH-1:0] app_rd_data;
input [3:0] ecc_multiple;
reg [2*nCK_PER_CLK-1:0] app_ecc_multiple_err_r = 'b0;
output wire [2*nCK_PER_CLK-1:0] app_ecc_multiple_err;
assign app_ecc_multiple_err = app_ecc_multiple_err_r;
input rd_accepted;
output wire rd_buf_full;
output wire [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r;
// Compute dimensions of read data buffer. Depending on width of
// DQ bus and DRAM CK
// to fabric ratio, number of RAM32Ms is variable. RAM32Ms are used in
// single write, single read, 6 bit wide mode.
localparam RD_BUF_WIDTH = APP_DATA_WIDTH + (ECC == "OFF" ? 0 : 2*nCK_PER_CLK);
localparam FULL_RAM_CNT = (RD_BUF_WIDTH/6);
localparam REMAINDER = RD_BUF_WIDTH % 6;
localparam RAM_CNT = FULL_RAM_CNT + ((REMAINDER == 0 ) ? 0 : 1);
localparam RAM_WIDTH = (RAM_CNT*6);
generate
if (ORDERING == "STRICT") begin : strict_mode
assign app_rd_data_valid_ns = 1'b0;
assign single_data = 1'b0;
assign rd_buf_full = 1'b0;
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r_lcl;
wire [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_ns =
rst
? 0
: rd_data_buf_addr_r_lcl + rd_accepted;
always @(posedge clk) rd_data_buf_addr_r_lcl <=
#TCQ rd_data_buf_addr_ns;
assign rd_data_buf_addr_r = rd_data_buf_addr_ns;
// app_* signals required to be registered.
if (ECC == "OFF") begin : ecc_off
always @(/*AS*/rd_data) app_rd_data = rd_data;
always @(/*AS*/rd_data_en) app_rd_data_valid = rd_data_en;
always @(/*AS*/rd_data_end) app_rd_data_end = rd_data_end;
end
else begin : ecc_on
always @(posedge clk) app_rd_data <= #TCQ rd_data;
always @(posedge clk) app_rd_data_valid <= #TCQ rd_data_en;
always @(posedge clk) app_rd_data_end <= #TCQ rd_data_end;
always @(posedge clk) app_ecc_multiple_err_r <= #TCQ ecc_multiple;
end
end
else begin : not_strict_mode
wire rd_buf_we = ~ram_init_done_r_lcl || rd_data_en /* synthesis syn_maxfan = 10 */;
// In configurations where read data is returned in a single fabric cycle
// the offset is always zero and we can use the bit to get a deeper
// FIFO. The RAMB32 has 5 address bits, so when the DATA_BUF_ADDR_WIDTH
// is set to use them all, discard the offset. Otherwise, include the
// offset.
wire [4:0] rd_buf_wr_addr = DATA_BUF_ADDR_WIDTH == 5 ?
rd_data_addr :
{rd_data_addr, rd_data_offset};
wire [1:0] rd_status;
// Instantiate status RAM. One bit for status and one for "end".
begin : status_ram
// Turns out read to write back status is a timing path. Update
// the status in the ram on the state following the read. Bypass
// the write data into the status read path.
wire [4:0] status_ram_wr_addr_ns = ram_init_done_r_lcl
? rd_buf_wr_addr
: rd_buf_indx_r[4:0];
reg [4:0] status_ram_wr_addr_r;
always @(posedge clk) status_ram_wr_addr_r <=
#TCQ status_ram_wr_addr_ns;
wire [1:0] wr_status;
// Not guaranteed to write second status bit. If it is written, always
// copy in the first status bit.
reg wr_status_r1;
always @(posedge clk) wr_status_r1 <= #TCQ wr_status[0];
wire [1:0] status_ram_wr_data_ns =
ram_init_done_r_lcl
? {rd_data_end, ~(rd_data_offset
? wr_status_r1
: wr_status[0])}
: 2'b0;
reg [1:0] status_ram_wr_data_r;
always @(posedge clk) status_ram_wr_data_r <=
#TCQ status_ram_wr_data_ns;
reg rd_buf_we_r1;
always @(posedge clk) rd_buf_we_r1 <= #TCQ rd_buf_we;
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(rd_status),
.DOB(),
.DOC(wr_status),
.DOD(),
.DIA(status_ram_wr_data_r),
.DIB(2'b0),
.DIC(status_ram_wr_data_r),
.DID(status_ram_wr_data_r),
.ADDRA(rd_buf_indx_r[4:0]),
.ADDRB(5'b0),
.ADDRC(status_ram_wr_addr_ns),
.ADDRD(status_ram_wr_addr_r),
.WE(rd_buf_we_r1),
.WCLK(clk)
);
end // block: status_ram
wire [RAM_WIDTH-1:0] rd_buf_out_data;
begin : rd_buf
wire [RAM_WIDTH-1:0] rd_buf_in_data;
if (REMAINDER == 0)
if (ECC == "OFF")
assign rd_buf_in_data = rd_data;
else
assign rd_buf_in_data = {ecc_multiple, rd_data};
else
if (ECC == "OFF")
assign rd_buf_in_data = {{6-REMAINDER{1'b0}}, rd_data};
else
assign rd_buf_in_data =
{{6-REMAINDER{1'b0}}, ecc_multiple, rd_data};
// Dedicated copy for driving distributed RAM.
(* keep = "true" *) reg [4:0] rd_buf_indx_copy_r /* synthesis syn_keep = 1 */;
always @(posedge clk) rd_buf_indx_copy_r <= #TCQ rd_buf_indx_ns[4:0];
genvar i;
for (i=0; i<RAM_CNT; i=i+1) begin : rd_buffer_ram
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(rd_buf_out_data[((i*6)+4)+:2]),
.DOB(rd_buf_out_data[((i*6)+2)+:2]),
.DOC(rd_buf_out_data[((i*6)+0)+:2]),
.DOD(),
.DIA(rd_buf_in_data[((i*6)+4)+:2]),
.DIB(rd_buf_in_data[((i*6)+2)+:2]),
.DIC(rd_buf_in_data[((i*6)+0)+:2]),
.DID(2'b0),
.ADDRA(rd_buf_indx_copy_r[4:0]),
.ADDRB(rd_buf_indx_copy_r[4:0]),
.ADDRC(rd_buf_indx_copy_r[4:0]),
.ADDRD(rd_buf_wr_addr),
.WE(rd_buf_we),
.WCLK(clk)
);
end // block: rd_buffer_ram
end
wire rd_data_rdy = (rd_status[0] == rd_buf_indx_r[5]);
wire bypass = rd_data_en && (rd_buf_wr_addr[4:0] == rd_buf_indx_r[4:0]) /* synthesis syn_maxfan = 10 */;
assign app_rd_data_valid_ns =
ram_init_done_r_lcl && (bypass || rd_data_rdy);
wire app_rd_data_end_ns = bypass ? rd_data_end : rd_status[1];
always @(posedge clk) app_rd_data_valid <= #TCQ app_rd_data_valid_ns;
always @(posedge clk) app_rd_data_end <= #TCQ app_rd_data_end_ns;
assign single_data =
app_rd_data_valid_ns && app_rd_data_end_ns && ~rd_buf_indx_r[0];
wire [APP_DATA_WIDTH-1:0] app_rd_data_ns =
bypass
? rd_data
: rd_buf_out_data[APP_DATA_WIDTH-1:0];
always @(posedge clk) app_rd_data <= #TCQ app_rd_data_ns;
if (ECC != "OFF") begin : assign_app_ecc_multiple
wire [3:0] app_ecc_multiple_err_ns =
bypass
? ecc_multiple
: rd_buf_out_data[APP_DATA_WIDTH+:4];
always @(posedge clk) app_ecc_multiple_err_r <=
#TCQ app_ecc_multiple_err_ns;
end
//Added to fix timing. The signal app_rd_data_valid has
//a very high fanout. So making a dedicated copy for usage
//with the occ_cnt counter.
(* equivalent_register_removal = "no" *)
reg app_rd_data_valid_copy;
always @(posedge clk) app_rd_data_valid_copy <= #TCQ app_rd_data_valid_ns;
// Keep track of how many entries in the queue hold data.
wire free_rd_buf = app_rd_data_valid_copy && app_rd_data_end; //changed to use registered version
//of the signals in ordered to fix timing
reg [DATA_BUF_ADDR_WIDTH:0] occ_cnt_r;
wire [DATA_BUF_ADDR_WIDTH:0] occ_minus_one = occ_cnt_r - 1;
wire [DATA_BUF_ADDR_WIDTH:0] occ_plus_one = occ_cnt_r + 1;
begin : occupied_counter
reg [DATA_BUF_ADDR_WIDTH:0] occ_cnt_ns;
always @(/*AS*/free_rd_buf or occ_cnt_r or rd_accepted or rst or occ_minus_one or occ_plus_one) begin
occ_cnt_ns = occ_cnt_r;
if (rst) occ_cnt_ns = 0;
else case ({rd_accepted, free_rd_buf})
2'b01 : occ_cnt_ns = occ_minus_one;
2'b10 : occ_cnt_ns = occ_plus_one;
endcase // case ({wr_data_end, new_rd_data})
end
always @(posedge clk) occ_cnt_r <= #TCQ occ_cnt_ns;
assign rd_buf_full = occ_cnt_ns[DATA_BUF_ADDR_WIDTH];
`ifdef MC_SVA
rd_data_buffer_full: cover property (@(posedge clk) (~rst && rd_buf_full));
rd_data_buffer_inc_dec_15: cover property (@(posedge clk)
(~rst && rd_accepted && free_rd_buf && (occ_cnt_r == 'hf)));
rd_data_underflow: assert property (@(posedge clk)
(rst || !((occ_cnt_r == 'b0) && (occ_cnt_ns == 'h1f))));
rd_data_overflow: assert property (@(posedge clk)
(rst || !((occ_cnt_r == 'h10) && (occ_cnt_ns == 'h11))));
`endif
end // block: occupied_counter
// Generate the data_buf_address written into the memory controller
// for reads. Increment with each accepted read, and rollover at 0xf.
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r_lcl;
assign rd_data_buf_addr_r = rd_data_buf_addr_r_lcl;
begin : data_buf_addr
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_ns;
always @(/*AS*/rd_accepted or rd_data_buf_addr_r_lcl or rst) begin
rd_data_buf_addr_ns = rd_data_buf_addr_r_lcl;
if (rst) rd_data_buf_addr_ns = 0;
else if (rd_accepted) rd_data_buf_addr_ns =
rd_data_buf_addr_r_lcl + 1;
end
always @(posedge clk) rd_data_buf_addr_r_lcl <=
#TCQ rd_data_buf_addr_ns;
end // block: data_buf_addr
end // block: not_strict_mode
endgenerate
endmodule
|
module mig_7series_v2_3_ui_rd_data #
(
parameter TCQ = 100,
parameter APP_DATA_WIDTH = 256,
parameter DATA_BUF_ADDR_WIDTH = 5,
parameter ECC = "OFF",
parameter nCK_PER_CLK = 2 ,
parameter ORDERING = "NORM"
)
(/*AUTOARG*/
// Outputs
ram_init_done_r, ram_init_addr, app_rd_data_valid, app_rd_data_end,
app_rd_data, app_ecc_multiple_err, rd_buf_full, rd_data_buf_addr_r,
// Inputs
rst, clk, rd_data_en, rd_data_addr, rd_data_offset, rd_data_end,
rd_data, ecc_multiple, rd_accepted
);
input rst;
input clk;
output wire ram_init_done_r;
output wire [3:0] ram_init_addr;
// rd_buf_indx points to the status and data storage rams for
// reading data out to the app.
reg [5:0] rd_buf_indx_r;
reg ram_init_done_r_lcl /* synthesis syn_maxfan = 10 */;
assign ram_init_done_r = ram_init_done_r_lcl;
wire app_rd_data_valid_ns;
wire single_data;
reg [5:0] rd_buf_indx_ns;
generate begin : rd_buf_indx
wire upd_rd_buf_indx = ~ram_init_done_r_lcl || app_rd_data_valid_ns;
// Loop through all status write addresses once after rst. Initializes
// the status and pointer RAMs.
wire ram_init_done_ns =
~rst && (ram_init_done_r_lcl || (rd_buf_indx_r[4:0] == 5'h1f));
always @(posedge clk) ram_init_done_r_lcl <= #TCQ ram_init_done_ns;
always @(/*AS*/rd_buf_indx_r or rst or single_data
or upd_rd_buf_indx) begin
rd_buf_indx_ns = rd_buf_indx_r;
if (rst) rd_buf_indx_ns = 6'b0;
else if (upd_rd_buf_indx) rd_buf_indx_ns =
// need to use every slot of RAMB32 if all address bits are used
rd_buf_indx_r + 6'h1 + (DATA_BUF_ADDR_WIDTH == 5 ? 0 : single_data);
end
always @(posedge clk) rd_buf_indx_r <= #TCQ rd_buf_indx_ns;
end
endgenerate
assign ram_init_addr = rd_buf_indx_r[3:0];
input rd_data_en;
input [DATA_BUF_ADDR_WIDTH-1:0] rd_data_addr;
input rd_data_offset;
input rd_data_end;
input [APP_DATA_WIDTH-1:0] rd_data;
output reg app_rd_data_valid /* synthesis syn_maxfan = 10 */;
output reg app_rd_data_end;
output reg [APP_DATA_WIDTH-1:0] app_rd_data;
input [3:0] ecc_multiple;
reg [2*nCK_PER_CLK-1:0] app_ecc_multiple_err_r = 'b0;
output wire [2*nCK_PER_CLK-1:0] app_ecc_multiple_err;
assign app_ecc_multiple_err = app_ecc_multiple_err_r;
input rd_accepted;
output wire rd_buf_full;
output wire [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r;
// Compute dimensions of read data buffer. Depending on width of
// DQ bus and DRAM CK
// to fabric ratio, number of RAM32Ms is variable. RAM32Ms are used in
// single write, single read, 6 bit wide mode.
localparam RD_BUF_WIDTH = APP_DATA_WIDTH + (ECC == "OFF" ? 0 : 2*nCK_PER_CLK);
localparam FULL_RAM_CNT = (RD_BUF_WIDTH/6);
localparam REMAINDER = RD_BUF_WIDTH % 6;
localparam RAM_CNT = FULL_RAM_CNT + ((REMAINDER == 0 ) ? 0 : 1);
localparam RAM_WIDTH = (RAM_CNT*6);
generate
if (ORDERING == "STRICT") begin : strict_mode
assign app_rd_data_valid_ns = 1'b0;
assign single_data = 1'b0;
assign rd_buf_full = 1'b0;
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r_lcl;
wire [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_ns =
rst
? 0
: rd_data_buf_addr_r_lcl + rd_accepted;
always @(posedge clk) rd_data_buf_addr_r_lcl <=
#TCQ rd_data_buf_addr_ns;
assign rd_data_buf_addr_r = rd_data_buf_addr_ns;
// app_* signals required to be registered.
if (ECC == "OFF") begin : ecc_off
always @(/*AS*/rd_data) app_rd_data = rd_data;
always @(/*AS*/rd_data_en) app_rd_data_valid = rd_data_en;
always @(/*AS*/rd_data_end) app_rd_data_end = rd_data_end;
end
else begin : ecc_on
always @(posedge clk) app_rd_data <= #TCQ rd_data;
always @(posedge clk) app_rd_data_valid <= #TCQ rd_data_en;
always @(posedge clk) app_rd_data_end <= #TCQ rd_data_end;
always @(posedge clk) app_ecc_multiple_err_r <= #TCQ ecc_multiple;
end
end
else begin : not_strict_mode
wire rd_buf_we = ~ram_init_done_r_lcl || rd_data_en /* synthesis syn_maxfan = 10 */;
// In configurations where read data is returned in a single fabric cycle
// the offset is always zero and we can use the bit to get a deeper
// FIFO. The RAMB32 has 5 address bits, so when the DATA_BUF_ADDR_WIDTH
// is set to use them all, discard the offset. Otherwise, include the
// offset.
wire [4:0] rd_buf_wr_addr = DATA_BUF_ADDR_WIDTH == 5 ?
rd_data_addr :
{rd_data_addr, rd_data_offset};
wire [1:0] rd_status;
// Instantiate status RAM. One bit for status and one for "end".
begin : status_ram
// Turns out read to write back status is a timing path. Update
// the status in the ram on the state following the read. Bypass
// the write data into the status read path.
wire [4:0] status_ram_wr_addr_ns = ram_init_done_r_lcl
? rd_buf_wr_addr
: rd_buf_indx_r[4:0];
reg [4:0] status_ram_wr_addr_r;
always @(posedge clk) status_ram_wr_addr_r <=
#TCQ status_ram_wr_addr_ns;
wire [1:0] wr_status;
// Not guaranteed to write second status bit. If it is written, always
// copy in the first status bit.
reg wr_status_r1;
always @(posedge clk) wr_status_r1 <= #TCQ wr_status[0];
wire [1:0] status_ram_wr_data_ns =
ram_init_done_r_lcl
? {rd_data_end, ~(rd_data_offset
? wr_status_r1
: wr_status[0])}
: 2'b0;
reg [1:0] status_ram_wr_data_r;
always @(posedge clk) status_ram_wr_data_r <=
#TCQ status_ram_wr_data_ns;
reg rd_buf_we_r1;
always @(posedge clk) rd_buf_we_r1 <= #TCQ rd_buf_we;
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(rd_status),
.DOB(),
.DOC(wr_status),
.DOD(),
.DIA(status_ram_wr_data_r),
.DIB(2'b0),
.DIC(status_ram_wr_data_r),
.DID(status_ram_wr_data_r),
.ADDRA(rd_buf_indx_r[4:0]),
.ADDRB(5'b0),
.ADDRC(status_ram_wr_addr_ns),
.ADDRD(status_ram_wr_addr_r),
.WE(rd_buf_we_r1),
.WCLK(clk)
);
end // block: status_ram
wire [RAM_WIDTH-1:0] rd_buf_out_data;
begin : rd_buf
wire [RAM_WIDTH-1:0] rd_buf_in_data;
if (REMAINDER == 0)
if (ECC == "OFF")
assign rd_buf_in_data = rd_data;
else
assign rd_buf_in_data = {ecc_multiple, rd_data};
else
if (ECC == "OFF")
assign rd_buf_in_data = {{6-REMAINDER{1'b0}}, rd_data};
else
assign rd_buf_in_data =
{{6-REMAINDER{1'b0}}, ecc_multiple, rd_data};
// Dedicated copy for driving distributed RAM.
(* keep = "true" *) reg [4:0] rd_buf_indx_copy_r /* synthesis syn_keep = 1 */;
always @(posedge clk) rd_buf_indx_copy_r <= #TCQ rd_buf_indx_ns[4:0];
genvar i;
for (i=0; i<RAM_CNT; i=i+1) begin : rd_buffer_ram
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(rd_buf_out_data[((i*6)+4)+:2]),
.DOB(rd_buf_out_data[((i*6)+2)+:2]),
.DOC(rd_buf_out_data[((i*6)+0)+:2]),
.DOD(),
.DIA(rd_buf_in_data[((i*6)+4)+:2]),
.DIB(rd_buf_in_data[((i*6)+2)+:2]),
.DIC(rd_buf_in_data[((i*6)+0)+:2]),
.DID(2'b0),
.ADDRA(rd_buf_indx_copy_r[4:0]),
.ADDRB(rd_buf_indx_copy_r[4:0]),
.ADDRC(rd_buf_indx_copy_r[4:0]),
.ADDRD(rd_buf_wr_addr),
.WE(rd_buf_we),
.WCLK(clk)
);
end // block: rd_buffer_ram
end
wire rd_data_rdy = (rd_status[0] == rd_buf_indx_r[5]);
wire bypass = rd_data_en && (rd_buf_wr_addr[4:0] == rd_buf_indx_r[4:0]) /* synthesis syn_maxfan = 10 */;
assign app_rd_data_valid_ns =
ram_init_done_r_lcl && (bypass || rd_data_rdy);
wire app_rd_data_end_ns = bypass ? rd_data_end : rd_status[1];
always @(posedge clk) app_rd_data_valid <= #TCQ app_rd_data_valid_ns;
always @(posedge clk) app_rd_data_end <= #TCQ app_rd_data_end_ns;
assign single_data =
app_rd_data_valid_ns && app_rd_data_end_ns && ~rd_buf_indx_r[0];
wire [APP_DATA_WIDTH-1:0] app_rd_data_ns =
bypass
? rd_data
: rd_buf_out_data[APP_DATA_WIDTH-1:0];
always @(posedge clk) app_rd_data <= #TCQ app_rd_data_ns;
if (ECC != "OFF") begin : assign_app_ecc_multiple
wire [3:0] app_ecc_multiple_err_ns =
bypass
? ecc_multiple
: rd_buf_out_data[APP_DATA_WIDTH+:4];
always @(posedge clk) app_ecc_multiple_err_r <=
#TCQ app_ecc_multiple_err_ns;
end
//Added to fix timing. The signal app_rd_data_valid has
//a very high fanout. So making a dedicated copy for usage
//with the occ_cnt counter.
(* equivalent_register_removal = "no" *)
reg app_rd_data_valid_copy;
always @(posedge clk) app_rd_data_valid_copy <= #TCQ app_rd_data_valid_ns;
// Keep track of how many entries in the queue hold data.
wire free_rd_buf = app_rd_data_valid_copy && app_rd_data_end; //changed to use registered version
//of the signals in ordered to fix timing
reg [DATA_BUF_ADDR_WIDTH:0] occ_cnt_r;
wire [DATA_BUF_ADDR_WIDTH:0] occ_minus_one = occ_cnt_r - 1;
wire [DATA_BUF_ADDR_WIDTH:0] occ_plus_one = occ_cnt_r + 1;
begin : occupied_counter
reg [DATA_BUF_ADDR_WIDTH:0] occ_cnt_ns;
always @(/*AS*/free_rd_buf or occ_cnt_r or rd_accepted or rst or occ_minus_one or occ_plus_one) begin
occ_cnt_ns = occ_cnt_r;
if (rst) occ_cnt_ns = 0;
else case ({rd_accepted, free_rd_buf})
2'b01 : occ_cnt_ns = occ_minus_one;
2'b10 : occ_cnt_ns = occ_plus_one;
endcase // case ({wr_data_end, new_rd_data})
end
always @(posedge clk) occ_cnt_r <= #TCQ occ_cnt_ns;
assign rd_buf_full = occ_cnt_ns[DATA_BUF_ADDR_WIDTH];
`ifdef MC_SVA
rd_data_buffer_full: cover property (@(posedge clk) (~rst && rd_buf_full));
rd_data_buffer_inc_dec_15: cover property (@(posedge clk)
(~rst && rd_accepted && free_rd_buf && (occ_cnt_r == 'hf)));
rd_data_underflow: assert property (@(posedge clk)
(rst || !((occ_cnt_r == 'b0) && (occ_cnt_ns == 'h1f))));
rd_data_overflow: assert property (@(posedge clk)
(rst || !((occ_cnt_r == 'h10) && (occ_cnt_ns == 'h11))));
`endif
end // block: occupied_counter
// Generate the data_buf_address written into the memory controller
// for reads. Increment with each accepted read, and rollover at 0xf.
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r_lcl;
assign rd_data_buf_addr_r = rd_data_buf_addr_r_lcl;
begin : data_buf_addr
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_ns;
always @(/*AS*/rd_accepted or rd_data_buf_addr_r_lcl or rst) begin
rd_data_buf_addr_ns = rd_data_buf_addr_r_lcl;
if (rst) rd_data_buf_addr_ns = 0;
else if (rd_accepted) rd_data_buf_addr_ns =
rd_data_buf_addr_r_lcl + 1;
end
always @(posedge clk) rd_data_buf_addr_r_lcl <=
#TCQ rd_data_buf_addr_ns;
end // block: data_buf_addr
end // block: not_strict_mode
endgenerate
endmodule
|
module mig_7series_v2_3_ui_rd_data #
(
parameter TCQ = 100,
parameter APP_DATA_WIDTH = 256,
parameter DATA_BUF_ADDR_WIDTH = 5,
parameter ECC = "OFF",
parameter nCK_PER_CLK = 2 ,
parameter ORDERING = "NORM"
)
(/*AUTOARG*/
// Outputs
ram_init_done_r, ram_init_addr, app_rd_data_valid, app_rd_data_end,
app_rd_data, app_ecc_multiple_err, rd_buf_full, rd_data_buf_addr_r,
// Inputs
rst, clk, rd_data_en, rd_data_addr, rd_data_offset, rd_data_end,
rd_data, ecc_multiple, rd_accepted
);
input rst;
input clk;
output wire ram_init_done_r;
output wire [3:0] ram_init_addr;
// rd_buf_indx points to the status and data storage rams for
// reading data out to the app.
reg [5:0] rd_buf_indx_r;
reg ram_init_done_r_lcl /* synthesis syn_maxfan = 10 */;
assign ram_init_done_r = ram_init_done_r_lcl;
wire app_rd_data_valid_ns;
wire single_data;
reg [5:0] rd_buf_indx_ns;
generate begin : rd_buf_indx
wire upd_rd_buf_indx = ~ram_init_done_r_lcl || app_rd_data_valid_ns;
// Loop through all status write addresses once after rst. Initializes
// the status and pointer RAMs.
wire ram_init_done_ns =
~rst && (ram_init_done_r_lcl || (rd_buf_indx_r[4:0] == 5'h1f));
always @(posedge clk) ram_init_done_r_lcl <= #TCQ ram_init_done_ns;
always @(/*AS*/rd_buf_indx_r or rst or single_data
or upd_rd_buf_indx) begin
rd_buf_indx_ns = rd_buf_indx_r;
if (rst) rd_buf_indx_ns = 6'b0;
else if (upd_rd_buf_indx) rd_buf_indx_ns =
// need to use every slot of RAMB32 if all address bits are used
rd_buf_indx_r + 6'h1 + (DATA_BUF_ADDR_WIDTH == 5 ? 0 : single_data);
end
always @(posedge clk) rd_buf_indx_r <= #TCQ rd_buf_indx_ns;
end
endgenerate
assign ram_init_addr = rd_buf_indx_r[3:0];
input rd_data_en;
input [DATA_BUF_ADDR_WIDTH-1:0] rd_data_addr;
input rd_data_offset;
input rd_data_end;
input [APP_DATA_WIDTH-1:0] rd_data;
output reg app_rd_data_valid /* synthesis syn_maxfan = 10 */;
output reg app_rd_data_end;
output reg [APP_DATA_WIDTH-1:0] app_rd_data;
input [3:0] ecc_multiple;
reg [2*nCK_PER_CLK-1:0] app_ecc_multiple_err_r = 'b0;
output wire [2*nCK_PER_CLK-1:0] app_ecc_multiple_err;
assign app_ecc_multiple_err = app_ecc_multiple_err_r;
input rd_accepted;
output wire rd_buf_full;
output wire [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r;
// Compute dimensions of read data buffer. Depending on width of
// DQ bus and DRAM CK
// to fabric ratio, number of RAM32Ms is variable. RAM32Ms are used in
// single write, single read, 6 bit wide mode.
localparam RD_BUF_WIDTH = APP_DATA_WIDTH + (ECC == "OFF" ? 0 : 2*nCK_PER_CLK);
localparam FULL_RAM_CNT = (RD_BUF_WIDTH/6);
localparam REMAINDER = RD_BUF_WIDTH % 6;
localparam RAM_CNT = FULL_RAM_CNT + ((REMAINDER == 0 ) ? 0 : 1);
localparam RAM_WIDTH = (RAM_CNT*6);
generate
if (ORDERING == "STRICT") begin : strict_mode
assign app_rd_data_valid_ns = 1'b0;
assign single_data = 1'b0;
assign rd_buf_full = 1'b0;
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r_lcl;
wire [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_ns =
rst
? 0
: rd_data_buf_addr_r_lcl + rd_accepted;
always @(posedge clk) rd_data_buf_addr_r_lcl <=
#TCQ rd_data_buf_addr_ns;
assign rd_data_buf_addr_r = rd_data_buf_addr_ns;
// app_* signals required to be registered.
if (ECC == "OFF") begin : ecc_off
always @(/*AS*/rd_data) app_rd_data = rd_data;
always @(/*AS*/rd_data_en) app_rd_data_valid = rd_data_en;
always @(/*AS*/rd_data_end) app_rd_data_end = rd_data_end;
end
else begin : ecc_on
always @(posedge clk) app_rd_data <= #TCQ rd_data;
always @(posedge clk) app_rd_data_valid <= #TCQ rd_data_en;
always @(posedge clk) app_rd_data_end <= #TCQ rd_data_end;
always @(posedge clk) app_ecc_multiple_err_r <= #TCQ ecc_multiple;
end
end
else begin : not_strict_mode
wire rd_buf_we = ~ram_init_done_r_lcl || rd_data_en /* synthesis syn_maxfan = 10 */;
// In configurations where read data is returned in a single fabric cycle
// the offset is always zero and we can use the bit to get a deeper
// FIFO. The RAMB32 has 5 address bits, so when the DATA_BUF_ADDR_WIDTH
// is set to use them all, discard the offset. Otherwise, include the
// offset.
wire [4:0] rd_buf_wr_addr = DATA_BUF_ADDR_WIDTH == 5 ?
rd_data_addr :
{rd_data_addr, rd_data_offset};
wire [1:0] rd_status;
// Instantiate status RAM. One bit for status and one for "end".
begin : status_ram
// Turns out read to write back status is a timing path. Update
// the status in the ram on the state following the read. Bypass
// the write data into the status read path.
wire [4:0] status_ram_wr_addr_ns = ram_init_done_r_lcl
? rd_buf_wr_addr
: rd_buf_indx_r[4:0];
reg [4:0] status_ram_wr_addr_r;
always @(posedge clk) status_ram_wr_addr_r <=
#TCQ status_ram_wr_addr_ns;
wire [1:0] wr_status;
// Not guaranteed to write second status bit. If it is written, always
// copy in the first status bit.
reg wr_status_r1;
always @(posedge clk) wr_status_r1 <= #TCQ wr_status[0];
wire [1:0] status_ram_wr_data_ns =
ram_init_done_r_lcl
? {rd_data_end, ~(rd_data_offset
? wr_status_r1
: wr_status[0])}
: 2'b0;
reg [1:0] status_ram_wr_data_r;
always @(posedge clk) status_ram_wr_data_r <=
#TCQ status_ram_wr_data_ns;
reg rd_buf_we_r1;
always @(posedge clk) rd_buf_we_r1 <= #TCQ rd_buf_we;
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(rd_status),
.DOB(),
.DOC(wr_status),
.DOD(),
.DIA(status_ram_wr_data_r),
.DIB(2'b0),
.DIC(status_ram_wr_data_r),
.DID(status_ram_wr_data_r),
.ADDRA(rd_buf_indx_r[4:0]),
.ADDRB(5'b0),
.ADDRC(status_ram_wr_addr_ns),
.ADDRD(status_ram_wr_addr_r),
.WE(rd_buf_we_r1),
.WCLK(clk)
);
end // block: status_ram
wire [RAM_WIDTH-1:0] rd_buf_out_data;
begin : rd_buf
wire [RAM_WIDTH-1:0] rd_buf_in_data;
if (REMAINDER == 0)
if (ECC == "OFF")
assign rd_buf_in_data = rd_data;
else
assign rd_buf_in_data = {ecc_multiple, rd_data};
else
if (ECC == "OFF")
assign rd_buf_in_data = {{6-REMAINDER{1'b0}}, rd_data};
else
assign rd_buf_in_data =
{{6-REMAINDER{1'b0}}, ecc_multiple, rd_data};
// Dedicated copy for driving distributed RAM.
(* keep = "true" *) reg [4:0] rd_buf_indx_copy_r /* synthesis syn_keep = 1 */;
always @(posedge clk) rd_buf_indx_copy_r <= #TCQ rd_buf_indx_ns[4:0];
genvar i;
for (i=0; i<RAM_CNT; i=i+1) begin : rd_buffer_ram
RAM32M
#(.INIT_A(64'h0000000000000000),
.INIT_B(64'h0000000000000000),
.INIT_C(64'h0000000000000000),
.INIT_D(64'h0000000000000000)
) RAM32M0 (
.DOA(rd_buf_out_data[((i*6)+4)+:2]),
.DOB(rd_buf_out_data[((i*6)+2)+:2]),
.DOC(rd_buf_out_data[((i*6)+0)+:2]),
.DOD(),
.DIA(rd_buf_in_data[((i*6)+4)+:2]),
.DIB(rd_buf_in_data[((i*6)+2)+:2]),
.DIC(rd_buf_in_data[((i*6)+0)+:2]),
.DID(2'b0),
.ADDRA(rd_buf_indx_copy_r[4:0]),
.ADDRB(rd_buf_indx_copy_r[4:0]),
.ADDRC(rd_buf_indx_copy_r[4:0]),
.ADDRD(rd_buf_wr_addr),
.WE(rd_buf_we),
.WCLK(clk)
);
end // block: rd_buffer_ram
end
wire rd_data_rdy = (rd_status[0] == rd_buf_indx_r[5]);
wire bypass = rd_data_en && (rd_buf_wr_addr[4:0] == rd_buf_indx_r[4:0]) /* synthesis syn_maxfan = 10 */;
assign app_rd_data_valid_ns =
ram_init_done_r_lcl && (bypass || rd_data_rdy);
wire app_rd_data_end_ns = bypass ? rd_data_end : rd_status[1];
always @(posedge clk) app_rd_data_valid <= #TCQ app_rd_data_valid_ns;
always @(posedge clk) app_rd_data_end <= #TCQ app_rd_data_end_ns;
assign single_data =
app_rd_data_valid_ns && app_rd_data_end_ns && ~rd_buf_indx_r[0];
wire [APP_DATA_WIDTH-1:0] app_rd_data_ns =
bypass
? rd_data
: rd_buf_out_data[APP_DATA_WIDTH-1:0];
always @(posedge clk) app_rd_data <= #TCQ app_rd_data_ns;
if (ECC != "OFF") begin : assign_app_ecc_multiple
wire [3:0] app_ecc_multiple_err_ns =
bypass
? ecc_multiple
: rd_buf_out_data[APP_DATA_WIDTH+:4];
always @(posedge clk) app_ecc_multiple_err_r <=
#TCQ app_ecc_multiple_err_ns;
end
//Added to fix timing. The signal app_rd_data_valid has
//a very high fanout. So making a dedicated copy for usage
//with the occ_cnt counter.
(* equivalent_register_removal = "no" *)
reg app_rd_data_valid_copy;
always @(posedge clk) app_rd_data_valid_copy <= #TCQ app_rd_data_valid_ns;
// Keep track of how many entries in the queue hold data.
wire free_rd_buf = app_rd_data_valid_copy && app_rd_data_end; //changed to use registered version
//of the signals in ordered to fix timing
reg [DATA_BUF_ADDR_WIDTH:0] occ_cnt_r;
wire [DATA_BUF_ADDR_WIDTH:0] occ_minus_one = occ_cnt_r - 1;
wire [DATA_BUF_ADDR_WIDTH:0] occ_plus_one = occ_cnt_r + 1;
begin : occupied_counter
reg [DATA_BUF_ADDR_WIDTH:0] occ_cnt_ns;
always @(/*AS*/free_rd_buf or occ_cnt_r or rd_accepted or rst or occ_minus_one or occ_plus_one) begin
occ_cnt_ns = occ_cnt_r;
if (rst) occ_cnt_ns = 0;
else case ({rd_accepted, free_rd_buf})
2'b01 : occ_cnt_ns = occ_minus_one;
2'b10 : occ_cnt_ns = occ_plus_one;
endcase // case ({wr_data_end, new_rd_data})
end
always @(posedge clk) occ_cnt_r <= #TCQ occ_cnt_ns;
assign rd_buf_full = occ_cnt_ns[DATA_BUF_ADDR_WIDTH];
`ifdef MC_SVA
rd_data_buffer_full: cover property (@(posedge clk) (~rst && rd_buf_full));
rd_data_buffer_inc_dec_15: cover property (@(posedge clk)
(~rst && rd_accepted && free_rd_buf && (occ_cnt_r == 'hf)));
rd_data_underflow: assert property (@(posedge clk)
(rst || !((occ_cnt_r == 'b0) && (occ_cnt_ns == 'h1f))));
rd_data_overflow: assert property (@(posedge clk)
(rst || !((occ_cnt_r == 'h10) && (occ_cnt_ns == 'h11))));
`endif
end // block: occupied_counter
// Generate the data_buf_address written into the memory controller
// for reads. Increment with each accepted read, and rollover at 0xf.
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_r_lcl;
assign rd_data_buf_addr_r = rd_data_buf_addr_r_lcl;
begin : data_buf_addr
reg [DATA_BUF_ADDR_WIDTH-1:0] rd_data_buf_addr_ns;
always @(/*AS*/rd_accepted or rd_data_buf_addr_r_lcl or rst) begin
rd_data_buf_addr_ns = rd_data_buf_addr_r_lcl;
if (rst) rd_data_buf_addr_ns = 0;
else if (rd_accepted) rd_data_buf_addr_ns =
rd_data_buf_addr_r_lcl + 1;
end
always @(posedge clk) rd_data_buf_addr_r_lcl <=
#TCQ rd_data_buf_addr_ns;
end // block: data_buf_addr
end // block: not_strict_mode
endgenerate
endmodule
|
module mig_7series_v2_3_ddr_phy_dqs_found_cal #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter nCK_PER_CLK = 2, // # of memory clocks per CLK
parameter nCL = 5, // Read CAS latency
parameter AL = "0",
parameter nCWL = 5, // Write CAS latency
parameter DRAM_TYPE = "DDR3", // Memory I/F type: "DDR3", "DDR2"
parameter RANKS = 1, // # of memory ranks in the system
parameter DQS_CNT_WIDTH = 3, // = ceil(log2(DQS_WIDTH))
parameter DQS_WIDTH = 8, // # of DQS (strobe)
parameter DRAM_WIDTH = 8, // # of DQ per DQS
parameter REG_CTRL = "ON", // "ON" for registered DIMM
parameter SIM_CAL_OPTION = "NONE", // Performs all calibration steps
parameter NUM_DQSFOUND_CAL = 3, // Number of times to iterate
parameter N_CTL_LANES = 3, // Number of control byte lanes
parameter HIGHEST_LANE = 12, // Sum of byte lanes (Data + Ctrl)
parameter HIGHEST_BANK = 3, // Sum of I/O Banks
parameter BYTE_LANES_B0 = 4'b1111,
parameter BYTE_LANES_B1 = 4'b0000,
parameter BYTE_LANES_B2 = 4'b0000,
parameter BYTE_LANES_B3 = 4'b0000,
parameter BYTE_LANES_B4 = 4'b0000,
parameter DATA_CTL_B0 = 4'hc,
parameter DATA_CTL_B1 = 4'hf,
parameter DATA_CTL_B2 = 4'hf,
parameter DATA_CTL_B3 = 4'hf,
parameter DATA_CTL_B4 = 4'hf
)
(
input clk,
input rst,
input dqsfound_retry,
// From phy_init
input pi_dqs_found_start,
input detect_pi_found_dqs,
input prech_done,
// DQSFOUND per Phaser_IN
input [HIGHEST_LANE-1:0] pi_dqs_found_lanes,
output reg [HIGHEST_BANK-1:0] pi_rst_stg1_cal,
// To phy_init
output [5:0] rd_data_offset_0,
output [5:0] rd_data_offset_1,
output [5:0] rd_data_offset_2,
output pi_dqs_found_rank_done,
output pi_dqs_found_done,
output reg pi_dqs_found_err,
output [6*RANKS-1:0] rd_data_offset_ranks_0,
output [6*RANKS-1:0] rd_data_offset_ranks_1,
output [6*RANKS-1:0] rd_data_offset_ranks_2,
output reg dqsfound_retry_done,
output reg dqs_found_prech_req,
//To MC
output [6*RANKS-1:0] rd_data_offset_ranks_mc_0,
output [6*RANKS-1:0] rd_data_offset_ranks_mc_1,
output [6*RANKS-1:0] rd_data_offset_ranks_mc_2,
input [8:0] po_counter_read_val,
output rd_data_offset_cal_done,
output fine_adjust_done,
output [N_CTL_LANES-1:0] fine_adjust_lane_cnt,
output reg ck_po_stg2_f_indec,
output reg ck_po_stg2_f_en,
output [255:0] dbg_dqs_found_cal
);
// For non-zero AL values
localparam nAL = (AL == "CL-1") ? nCL - 1 : 0;
// Adding the register dimm latency to write latency
localparam CWL_M = (REG_CTRL == "ON") ? nCWL + nAL + 1 : nCWL + nAL;
// Added to reduce simulation time
localparam LATENCY_FACTOR = 13;
localparam NUM_READS = (SIM_CAL_OPTION == "NONE") ? 7 : 1;
localparam [19:0] DATA_PRESENT = {(DATA_CTL_B4[3] & BYTE_LANES_B4[3]),
(DATA_CTL_B4[2] & BYTE_LANES_B4[2]),
(DATA_CTL_B4[1] & BYTE_LANES_B4[1]),
(DATA_CTL_B4[0] & BYTE_LANES_B4[0]),
(DATA_CTL_B3[3] & BYTE_LANES_B3[3]),
(DATA_CTL_B3[2] & BYTE_LANES_B3[2]),
(DATA_CTL_B3[1] & BYTE_LANES_B3[1]),
(DATA_CTL_B3[0] & BYTE_LANES_B3[0]),
(DATA_CTL_B2[3] & BYTE_LANES_B2[3]),
(DATA_CTL_B2[2] & BYTE_LANES_B2[2]),
(DATA_CTL_B2[1] & BYTE_LANES_B2[1]),
(DATA_CTL_B2[0] & BYTE_LANES_B2[0]),
(DATA_CTL_B1[3] & BYTE_LANES_B1[3]),
(DATA_CTL_B1[2] & BYTE_LANES_B1[2]),
(DATA_CTL_B1[1] & BYTE_LANES_B1[1]),
(DATA_CTL_B1[0] & BYTE_LANES_B1[0]),
(DATA_CTL_B0[3] & BYTE_LANES_B0[3]),
(DATA_CTL_B0[2] & BYTE_LANES_B0[2]),
(DATA_CTL_B0[1] & BYTE_LANES_B0[1]),
(DATA_CTL_B0[0] & BYTE_LANES_B0[0])};
localparam FINE_ADJ_IDLE = 4'h0;
localparam RST_POSTWAIT = 4'h1;
localparam RST_POSTWAIT1 = 4'h2;
localparam RST_WAIT = 4'h3;
localparam FINE_ADJ_INIT = 4'h4;
localparam FINE_INC = 4'h5;
localparam FINE_INC_WAIT = 4'h6;
localparam FINE_INC_PREWAIT = 4'h7;
localparam DETECT_PREWAIT = 4'h8;
localparam DETECT_DQSFOUND = 4'h9;
localparam PRECH_WAIT = 4'hA;
localparam FINE_DEC = 4'hB;
localparam FINE_DEC_WAIT = 4'hC;
localparam FINE_DEC_PREWAIT = 4'hD;
localparam FINAL_WAIT = 4'hE;
localparam FINE_ADJ_DONE = 4'hF;
integer k,l,m,n,p,q,r,s;
reg dqs_found_start_r;
reg [6*HIGHEST_BANK-1:0] rd_byte_data_offset[0:RANKS-1];
reg rank_done_r;
reg rank_done_r1;
reg dqs_found_done_r;
(* ASYNC_REG = "TRUE" *) reg [HIGHEST_LANE-1:0] pi_dqs_found_lanes_r1;
(* ASYNC_REG = "TRUE" *) reg [HIGHEST_LANE-1:0] pi_dqs_found_lanes_r2;
(* ASYNC_REG = "TRUE" *) reg [HIGHEST_LANE-1:0] pi_dqs_found_lanes_r3;
reg init_dqsfound_done_r;
reg init_dqsfound_done_r1;
reg init_dqsfound_done_r2;
reg init_dqsfound_done_r3;
reg init_dqsfound_done_r4;
reg init_dqsfound_done_r5;
reg [1:0] rnk_cnt_r;
reg [2:0 ] final_do_index[0:RANKS-1];
reg [5:0 ] final_do_max[0:RANKS-1];
reg [6*HIGHEST_BANK-1:0] final_data_offset[0:RANKS-1];
reg [6*HIGHEST_BANK-1:0] final_data_offset_mc[0:RANKS-1];
reg [HIGHEST_BANK-1:0] pi_rst_stg1_cal_r;
reg [HIGHEST_BANK-1:0] pi_rst_stg1_cal_r1;
reg [10*HIGHEST_BANK-1:0] retry_cnt;
reg dqsfound_retry_r1;
wire [4*HIGHEST_BANK-1:0] pi_dqs_found_lanes_int;
reg [HIGHEST_BANK-1:0] pi_dqs_found_all_bank;
reg [HIGHEST_BANK-1:0] pi_dqs_found_all_bank_r;
reg [HIGHEST_BANK-1:0] pi_dqs_found_any_bank;
reg [HIGHEST_BANK-1:0] pi_dqs_found_any_bank_r;
reg [HIGHEST_BANK-1:0] pi_dqs_found_err_r;
// CK/Control byte lanes fine adjust stage
reg fine_adjust;
reg [N_CTL_LANES-1:0] ctl_lane_cnt;
reg [3:0] fine_adj_state_r;
reg fine_adjust_done_r;
reg rst_dqs_find;
reg rst_dqs_find_r1;
reg rst_dqs_find_r2;
reg [5:0] init_dec_cnt;
reg [5:0] dec_cnt;
reg [5:0] inc_cnt;
reg final_dec_done;
reg init_dec_done;
reg first_fail_detect;
reg second_fail_detect;
reg [5:0] first_fail_taps;
reg [5:0] second_fail_taps;
reg [5:0] stable_pass_cnt;
reg [3:0] detect_rd_cnt;
//***************************************************************************
// Debug signals
//
//***************************************************************************
assign dbg_dqs_found_cal[5:0] = first_fail_taps;
assign dbg_dqs_found_cal[11:6] = second_fail_taps;
assign dbg_dqs_found_cal[12] = first_fail_detect;
assign dbg_dqs_found_cal[13] = second_fail_detect;
assign dbg_dqs_found_cal[14] = fine_adjust_done_r;
assign pi_dqs_found_rank_done = rank_done_r;
assign pi_dqs_found_done = dqs_found_done_r;
generate
genvar rnk_cnt;
if (HIGHEST_BANK == 3) begin // Three Bank Interface
for (rnk_cnt = 0; rnk_cnt < RANKS; rnk_cnt = rnk_cnt + 1) begin: rnk_loop
assign rd_data_offset_ranks_0[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][5:0];
assign rd_data_offset_ranks_1[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][11:6];
assign rd_data_offset_ranks_2[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][17:12];
assign rd_data_offset_ranks_mc_0[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][5:0];
assign rd_data_offset_ranks_mc_1[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][11:6];
assign rd_data_offset_ranks_mc_2[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][17:12];
end
end else if (HIGHEST_BANK == 2) begin // Two Bank Interface
for (rnk_cnt = 0; rnk_cnt < RANKS; rnk_cnt = rnk_cnt + 1) begin: rnk_loop
assign rd_data_offset_ranks_0[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][5:0];
assign rd_data_offset_ranks_1[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][11:6];
assign rd_data_offset_ranks_2[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_mc_0[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][5:0];
assign rd_data_offset_ranks_mc_1[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][11:6];
assign rd_data_offset_ranks_mc_2[6*rnk_cnt+:6] = 'd0;
end
end else begin // Single Bank Interface
for (rnk_cnt = 0; rnk_cnt < RANKS; rnk_cnt = rnk_cnt + 1) begin: rnk_loop
assign rd_data_offset_ranks_0[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][5:0];
assign rd_data_offset_ranks_1[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_2[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_mc_0[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][5:0];
assign rd_data_offset_ranks_mc_1[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_mc_2[6*rnk_cnt+:6] = 'd0;
end
end
endgenerate
// final_data_offset is used during write calibration and during
// normal operation. One rd_data_offset value per rank for entire
// interface
generate
if (HIGHEST_BANK == 3) begin // Three I/O Bank interface
assign rd_data_offset_0 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][0+:6] :
final_data_offset[rnk_cnt_r][0+:6];
assign rd_data_offset_1 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][6+:6] :
final_data_offset[rnk_cnt_r][6+:6];
assign rd_data_offset_2 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][12+:6] :
final_data_offset[rnk_cnt_r][12+:6];
end else if (HIGHEST_BANK == 2) begin // Two I/O Bank interface
assign rd_data_offset_0 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][0+:6] :
final_data_offset[rnk_cnt_r][0+:6];
assign rd_data_offset_1 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][6+:6] :
final_data_offset[rnk_cnt_r][6+:6];
assign rd_data_offset_2 = 'd0;
end else begin
assign rd_data_offset_0 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][0+:6] :
final_data_offset[rnk_cnt_r][0+:6];
assign rd_data_offset_1 = 'd0;
assign rd_data_offset_2 = 'd0;
end
endgenerate
assign rd_data_offset_cal_done = init_dqsfound_done_r;
assign fine_adjust_lane_cnt = ctl_lane_cnt;
//**************************************************************************
// DQSFOUND all and any generation
// pi_dqs_found_all_bank[x] asserted when all Phaser_INs in Bankx are
// asserted
// pi_dqs_found_any_bank[x] asserted when at least one Phaser_IN in Bankx
// is asserted
//**************************************************************************
generate
if ((HIGHEST_LANE == 4) || (HIGHEST_LANE == 8) || (HIGHEST_LANE == 12))
assign pi_dqs_found_lanes_int = pi_dqs_found_lanes_r3;
else if ((HIGHEST_LANE == 7) || (HIGHEST_LANE == 11))
assign pi_dqs_found_lanes_int = {1'b0, pi_dqs_found_lanes_r3};
else if ((HIGHEST_LANE == 6) || (HIGHEST_LANE == 10))
assign pi_dqs_found_lanes_int = {2'b00, pi_dqs_found_lanes_r3};
else if ((HIGHEST_LANE == 5) || (HIGHEST_LANE == 9))
assign pi_dqs_found_lanes_int = {3'b000, pi_dqs_found_lanes_r3};
endgenerate
always @(posedge clk) begin
if (rst) begin
for (k = 0; k < HIGHEST_BANK; k = k + 1) begin: rst_pi_dqs_found
pi_dqs_found_all_bank[k] <= #TCQ 'b0;
pi_dqs_found_any_bank[k] <= #TCQ 'b0;
end
end else if (pi_dqs_found_start) begin
for (p = 0; p < HIGHEST_BANK; p = p +1) begin: assign_pi_dqs_found
pi_dqs_found_all_bank[p] <= #TCQ (!DATA_PRESENT[4*p+0] | pi_dqs_found_lanes_int[4*p+0]) &
(!DATA_PRESENT[4*p+1] | pi_dqs_found_lanes_int[4*p+1]) &
(!DATA_PRESENT[4*p+2] | pi_dqs_found_lanes_int[4*p+2]) &
(!DATA_PRESENT[4*p+3] | pi_dqs_found_lanes_int[4*p+3]);
pi_dqs_found_any_bank[p] <= #TCQ (DATA_PRESENT[4*p+0] & pi_dqs_found_lanes_int[4*p+0]) |
(DATA_PRESENT[4*p+1] & pi_dqs_found_lanes_int[4*p+1]) |
(DATA_PRESENT[4*p+2] & pi_dqs_found_lanes_int[4*p+2]) |
(DATA_PRESENT[4*p+3] & pi_dqs_found_lanes_int[4*p+3]);
end
end
end
always @(posedge clk) begin
pi_dqs_found_all_bank_r <= #TCQ pi_dqs_found_all_bank;
pi_dqs_found_any_bank_r <= #TCQ pi_dqs_found_any_bank;
end
//*****************************************************************************
// Counter to increase number of 4 back-to-back reads per rd_data_offset and
// per CK/A/C tap value
//*****************************************************************************
always @(posedge clk) begin
if (rst || (detect_rd_cnt == 'd0))
detect_rd_cnt <= #TCQ NUM_READS;
else if (detect_pi_found_dqs && (detect_rd_cnt > 'd0))
detect_rd_cnt <= #TCQ detect_rd_cnt - 1;
end
//**************************************************************************
// Adjust Phaser_Out stage 2 taps on CK/Address/Command/Controls
//
//**************************************************************************
assign fine_adjust_done = fine_adjust_done_r;
always @(posedge clk) begin
rst_dqs_find_r1 <= #TCQ rst_dqs_find;
rst_dqs_find_r2 <= #TCQ rst_dqs_find_r1;
end
always @(posedge clk) begin
if(rst)begin
fine_adjust <= #TCQ 1'b0;
ctl_lane_cnt <= #TCQ 'd0;
fine_adj_state_r <= #TCQ FINE_ADJ_IDLE;
fine_adjust_done_r <= #TCQ 1'b0;
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b0;
rst_dqs_find <= #TCQ 1'b0;
init_dec_cnt <= #TCQ 'd31;
dec_cnt <= #TCQ 'd0;
inc_cnt <= #TCQ 'd0;
init_dec_done <= #TCQ 1'b0;
final_dec_done <= #TCQ 1'b0;
first_fail_detect <= #TCQ 1'b0;
second_fail_detect <= #TCQ 1'b0;
first_fail_taps <= #TCQ 'd0;
second_fail_taps <= #TCQ 'd0;
stable_pass_cnt <= #TCQ 'd0;
dqs_found_prech_req<= #TCQ 1'b0;
end else begin
case (fine_adj_state_r)
FINE_ADJ_IDLE: begin
if (init_dqsfound_done_r5) begin
if (SIM_CAL_OPTION == "FAST_CAL") begin
fine_adjust <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ FINE_ADJ_DONE;
rst_dqs_find <= #TCQ 1'b0;
end else begin
fine_adjust <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
rst_dqs_find <= #TCQ 1'b1;
end
end
end
RST_WAIT: begin
if (~(|pi_dqs_found_any_bank) && rst_dqs_find_r2) begin
rst_dqs_find <= #TCQ 1'b0;
if (|init_dec_cnt)
fine_adj_state_r <= #TCQ FINE_DEC_PREWAIT;
else if (final_dec_done)
fine_adj_state_r <= #TCQ FINE_ADJ_DONE;
else
fine_adj_state_r <= #TCQ RST_POSTWAIT;
end
end
RST_POSTWAIT: begin
fine_adj_state_r <= #TCQ RST_POSTWAIT1;
end
RST_POSTWAIT1: begin
fine_adj_state_r <= #TCQ FINE_ADJ_INIT;
end
FINE_ADJ_INIT: begin
//if (detect_pi_found_dqs && (inc_cnt < 'd63))
fine_adj_state_r <= #TCQ FINE_INC;
end
FINE_INC: begin
fine_adj_state_r <= #TCQ FINE_INC_WAIT;
ck_po_stg2_f_indec <= #TCQ 1'b1;
ck_po_stg2_f_en <= #TCQ 1'b1;
if (ctl_lane_cnt == N_CTL_LANES-1)
inc_cnt <= #TCQ inc_cnt + 1;
end
FINE_INC_WAIT: begin
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b0;
if (ctl_lane_cnt != N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ ctl_lane_cnt + 1;
fine_adj_state_r <= #TCQ FINE_INC_PREWAIT;
end else if (ctl_lane_cnt == N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ 'd0;
fine_adj_state_r <= #TCQ DETECT_PREWAIT;
end
end
FINE_INC_PREWAIT: begin
fine_adj_state_r <= #TCQ FINE_INC;
end
DETECT_PREWAIT: begin
if (detect_pi_found_dqs && (detect_rd_cnt == 'd1))
fine_adj_state_r <= #TCQ DETECT_DQSFOUND;
else
fine_adj_state_r <= #TCQ DETECT_PREWAIT;
end
DETECT_DQSFOUND: begin
if (detect_pi_found_dqs && ~(&pi_dqs_found_all_bank)) begin
stable_pass_cnt <= #TCQ 'd0;
if (~first_fail_detect && (inc_cnt == 'd63)) begin
// First failing tap detected at 63 taps
// then decrement to 31
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ 'd32;
end else if (~first_fail_detect && (inc_cnt > 'd30) && (stable_pass_cnt > 'd29)) begin
// First failing tap detected at greater than 30 taps
// then stop looking for second edge and decrement
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ (inc_cnt>>1) + 1;
end else if (~first_fail_detect || (first_fail_detect && (stable_pass_cnt < 'd30) && (inc_cnt <= 'd32))) begin
// First failing tap detected, continue incrementing
// until either second failing tap detected or 63
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
rst_dqs_find <= #TCQ 1'b1;
if ((inc_cnt == 'd12) || (inc_cnt == 'd24)) begin
dqs_found_prech_req <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ PRECH_WAIT;
end else
fine_adj_state_r <= #TCQ RST_WAIT;
end else if (first_fail_detect && (inc_cnt > 'd32) && (inc_cnt < 'd63) && (stable_pass_cnt < 'd30)) begin
// Consecutive 30 taps of passing region was not found
// continue incrementing
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
rst_dqs_find <= #TCQ 1'b1;
if ((inc_cnt == 'd36) || (inc_cnt == 'd48) || (inc_cnt == 'd60)) begin
dqs_found_prech_req <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ PRECH_WAIT;
end else
fine_adj_state_r <= #TCQ RST_WAIT;
end else if (first_fail_detect && (inc_cnt == 'd63)) begin
if (stable_pass_cnt < 'd30) begin
// Consecutive 30 taps of passing region was not found
// from tap 0 to 63 so decrement back to 31
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ 'd32;
end else begin
// Consecutive 30 taps of passing region was found
// between first_fail_taps and 63
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
end
end else begin
// Second failing tap detected, decrement to center of
// failing taps
second_fail_detect <= #TCQ 1'b1;
second_fail_taps <= #TCQ inc_cnt;
dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
fine_adj_state_r <= #TCQ FINE_DEC;
end
end else if (detect_pi_found_dqs && (&pi_dqs_found_all_bank)) begin
stable_pass_cnt <= #TCQ stable_pass_cnt + 1;
if ((inc_cnt == 'd12) || (inc_cnt == 'd24) || (inc_cnt == 'd36) ||
(inc_cnt == 'd48) || (inc_cnt == 'd60)) begin
dqs_found_prech_req <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ PRECH_WAIT;
end else if (inc_cnt < 'd63) begin
rst_dqs_find <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
end else begin
fine_adj_state_r <= #TCQ FINE_DEC;
if (~first_fail_detect || (first_fail_taps > 'd33))
// No failing taps detected, decrement by 31
dec_cnt <= #TCQ 'd32;
//else if (first_fail_detect && (stable_pass_cnt > 'd28))
// // First failing tap detected between 0 and 34
// // decrement midpoint between 63 and failing tap
// dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
else
// First failing tap detected
// decrement to midpoint between 63 and failing tap
dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
end
end
end
PRECH_WAIT: begin
if (prech_done) begin
dqs_found_prech_req <= #TCQ 1'b0;
rst_dqs_find <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
end
end
FINE_DEC: begin
fine_adj_state_r <= #TCQ FINE_DEC_WAIT;
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b1;
if ((ctl_lane_cnt == N_CTL_LANES-1) && (init_dec_cnt > 'd0))
init_dec_cnt <= #TCQ init_dec_cnt - 1;
else if ((ctl_lane_cnt == N_CTL_LANES-1) && (dec_cnt > 'd0))
dec_cnt <= #TCQ dec_cnt - 1;
end
FINE_DEC_WAIT: begin
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b0;
if (ctl_lane_cnt != N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ ctl_lane_cnt + 1;
fine_adj_state_r <= #TCQ FINE_DEC_PREWAIT;
end else if (ctl_lane_cnt == N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ 'd0;
if ((dec_cnt > 'd0) || (init_dec_cnt > 'd0))
fine_adj_state_r <= #TCQ FINE_DEC_PREWAIT;
else begin
fine_adj_state_r <= #TCQ FINAL_WAIT;
if ((init_dec_cnt == 'd0) && ~init_dec_done)
init_dec_done <= #TCQ 1'b1;
else
final_dec_done <= #TCQ 1'b1;
end
end
end
FINE_DEC_PREWAIT: begin
fine_adj_state_r <= #TCQ FINE_DEC;
end
FINAL_WAIT: begin
rst_dqs_find <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
end
FINE_ADJ_DONE: begin
if (&pi_dqs_found_all_bank) begin
fine_adjust_done_r <= #TCQ 1'b1;
rst_dqs_find <= #TCQ 1'b0;
fine_adj_state_r <= #TCQ FINE_ADJ_DONE;
end
end
endcase
end
end
//*****************************************************************************
always@(posedge clk)
dqs_found_start_r <= #TCQ pi_dqs_found_start;
always @(posedge clk) begin
if (rst)
rnk_cnt_r <= #TCQ 2'b00;
else if (init_dqsfound_done_r)
rnk_cnt_r <= #TCQ rnk_cnt_r;
else if (rank_done_r)
rnk_cnt_r <= #TCQ rnk_cnt_r + 1;
end
//*****************************************************************
// Read data_offset calibration done signal
//*****************************************************************
always @(posedge clk) begin
if (rst || (|pi_rst_stg1_cal_r))
init_dqsfound_done_r <= #TCQ 1'b0;
else if (&pi_dqs_found_all_bank) begin
if (rnk_cnt_r == RANKS-1)
init_dqsfound_done_r <= #TCQ 1'b1;
else
init_dqsfound_done_r <= #TCQ 1'b0;
end
end
always @(posedge clk) begin
if (rst ||
(init_dqsfound_done_r && (rnk_cnt_r == RANKS-1)))
rank_done_r <= #TCQ 1'b0;
else if (&pi_dqs_found_all_bank && ~(&pi_dqs_found_all_bank_r))
rank_done_r <= #TCQ 1'b1;
else
rank_done_r <= #TCQ 1'b0;
end
always @(posedge clk) begin
pi_dqs_found_lanes_r1 <= #TCQ pi_dqs_found_lanes;
pi_dqs_found_lanes_r2 <= #TCQ pi_dqs_found_lanes_r1;
pi_dqs_found_lanes_r3 <= #TCQ pi_dqs_found_lanes_r2;
init_dqsfound_done_r1 <= #TCQ init_dqsfound_done_r;
init_dqsfound_done_r2 <= #TCQ init_dqsfound_done_r1;
init_dqsfound_done_r3 <= #TCQ init_dqsfound_done_r2;
init_dqsfound_done_r4 <= #TCQ init_dqsfound_done_r3;
init_dqsfound_done_r5 <= #TCQ init_dqsfound_done_r4;
rank_done_r1 <= #TCQ rank_done_r;
dqsfound_retry_r1 <= #TCQ dqsfound_retry;
end
always @(posedge clk) begin
if (rst)
dqs_found_done_r <= #TCQ 1'b0;
else if (&pi_dqs_found_all_bank && (rnk_cnt_r == RANKS-1) && init_dqsfound_done_r1 &&
(fine_adj_state_r == FINE_ADJ_DONE))
dqs_found_done_r <= #TCQ 1'b1;
else
dqs_found_done_r <= #TCQ 1'b0;
end
generate
if (HIGHEST_BANK == 3) begin // Three I/O Bank interface
// Reset read data offset calibration in all DQS Phaser_INs
// in a Bank after the read data offset value for a rank is determined
// or if within a Bank DQSFOUND is not asserted for all DQSs
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[0] || fine_adjust)
pi_rst_stg1_cal_r[0] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[0]) ||
(pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0]) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[1] || fine_adjust)
pi_rst_stg1_cal_r[1] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[1]) ||
(pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1]) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[1] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[2] || fine_adjust)
pi_rst_stg1_cal_r[2] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[2]) ||
(pi_dqs_found_any_bank_r[2] && ~pi_dqs_found_all_bank[2]) ||
(rd_byte_data_offset[rnk_cnt_r][12+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[2] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[2] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[2])
pi_rst_stg1_cal_r1[2] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[2] && ~pi_dqs_found_all_bank[2])
pi_rst_stg1_cal_r1[2] <= #TCQ 1'b0;
end
//*****************************************************************************
// Retry counter to track number of DQSFOUND retries
//*****************************************************************************
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[0+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[0])
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10] + 1;
else
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10];
end
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[10+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[1])
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10] + 1;
else
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10];
end
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[20+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][12+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[2])
retry_cnt[20+:10] <= #TCQ retry_cnt[20+:10] + 1;
else
retry_cnt[20+:10] <= #TCQ retry_cnt[20+:10];
end
// Error generation in case pi_dqs_found_all_bank
// is not asserted
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[0] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[0] && (retry_cnt[0+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[1] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[1] && (retry_cnt[10+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[1] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[2] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[2] && (retry_cnt[20+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][12+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[2] <= #TCQ 1'b1;
end
// Read data offset value for all DQS in a Bank
always @(posedge clk) begin
if (rst) begin
for (q = 0; q < RANKS; q = q + 1) begin: three_bank0_rst_loop
rd_byte_data_offset[q][0+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r][0+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[0] &&
//(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][0+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][0+:6] - 1;
end
always @(posedge clk) begin
if (rst) begin
for (r = 0; r < RANKS; r = r + 1) begin: three_bank1_rst_loop
rd_byte_data_offset[r][6+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r][6+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[1] &&
//(rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][6+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][6+:6] - 1;
end
always @(posedge clk) begin
if (rst) begin
for (s = 0; s < RANKS; s = s + 1) begin: three_bank2_rst_loop
rd_byte_data_offset[s][12+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][12+:6] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r][12+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[2] &&
//(rd_byte_data_offset[rnk_cnt_r][12+:6] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][12+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][12+:6] - 1;
end
//*****************************************************************************
// Two I/O Bank Interface
//*****************************************************************************
end else if (HIGHEST_BANK == 2) begin // Two I/O Bank interface
// Reset read data offset calibration in all DQS Phaser_INs
// in a Bank after the read data offset value for a rank is determined
// or if within a Bank DQSFOUND is not asserted for all DQSs
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[0] || fine_adjust)
pi_rst_stg1_cal_r[0] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[0]) ||
(pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0]) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[1] || fine_adjust)
pi_rst_stg1_cal_r[1] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[1]) ||
(pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1]) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[1] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
end
//*****************************************************************************
// Retry counter to track number of DQSFOUND retries
//*****************************************************************************
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[0+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[0])
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10] + 1;
else
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10];
end
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[10+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[1])
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10] + 1;
else
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10];
end
// Error generation in case pi_dqs_found_all_bank
// is not asserted
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[0] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[0] && (retry_cnt[0+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[1] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[1] && (retry_cnt[10+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[1] <= #TCQ 1'b1;
end
// Read data offset value for all DQS in a Bank
always @(posedge clk) begin
if (rst) begin
for (q = 0; q < RANKS; q = q + 1) begin: two_bank0_rst_loop
rd_byte_data_offset[q][0+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r][0+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[0] &&
//(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][0+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][0+:6] - 1;
end
always @(posedge clk) begin
if (rst) begin
for (r = 0; r < RANKS; r = r + 1) begin: two_bank1_rst_loop
rd_byte_data_offset[r][6+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r][6+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[1] &&
//(rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][6+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][6+:6] - 1;
end
//*****************************************************************************
// One I/O Bank Interface
//*****************************************************************************
end else begin // One I/O Bank Interface
// Read data offset value for all DQS in Bank0
always @(posedge clk) begin
if (rst) begin
for (l = 0; l < RANKS; l = l + 1) begin: bank_rst_loop
rd_byte_data_offset[l] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[0] &&
//(rd_byte_data_offset[rnk_cnt_r] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r]
<= #TCQ rd_byte_data_offset[rnk_cnt_r] - 1;
end
// Reset read data offset calibration in all DQS Phaser_INs
// in a Bank after the read data offset value for a rank is determined
// or if within a Bank DQSFOUND is not asserted for all DQSs
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[0] || fine_adjust)
pi_rst_stg1_cal_r[0] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[0]) ||
(pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0]) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
end
//*****************************************************************************
// Retry counter to track number of DQSFOUND retries
//*****************************************************************************
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[0+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[0])
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10] + 1;
else
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10];
end
// Error generation in case pi_dqs_found_all_bank
// is not asserted even with 3 dqfound retries
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[0] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[0] && (retry_cnt[0+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[0] <= #TCQ 1'b1;
end
end
endgenerate
always @(posedge clk) begin
if (rst)
pi_rst_stg1_cal <= #TCQ {HIGHEST_BANK{1'b0}};
else if (rst_dqs_find)
pi_rst_stg1_cal <= #TCQ {HIGHEST_BANK{1'b1}};
else
pi_rst_stg1_cal <= #TCQ pi_rst_stg1_cal_r;
end
// Final read data offset value to be used during write calibration and
// normal operation
generate
genvar i;
genvar j;
for (i = 0; i < RANKS; i = i + 1) begin: rank_final_loop
reg [5:0] final_do_cand [RANKS-1:0];
// combinatorially select the candidate offset for the bank
// indexed by final_do_index
if (HIGHEST_BANK == 3) begin
always @(*) begin
case (final_do_index[i])
3'b000: final_do_cand[i] = final_data_offset[i][5:0];
3'b001: final_do_cand[i] = final_data_offset[i][11:6];
3'b010: final_do_cand[i] = final_data_offset[i][17:12];
default: final_do_cand[i] = 'd0;
endcase
end
end else if (HIGHEST_BANK == 2) begin
always @(*) begin
case (final_do_index[i])
3'b000: final_do_cand[i] = final_data_offset[i][5:0];
3'b001: final_do_cand[i] = final_data_offset[i][11:6];
3'b010: final_do_cand[i] = 'd0;
default: final_do_cand[i] = 'd0;
endcase
end
end else begin
always @(*) begin
case (final_do_index[i])
3'b000: final_do_cand[i] = final_data_offset[i][5:0];
3'b001: final_do_cand[i] = 'd0;
3'b010: final_do_cand[i] = 'd0;
default: final_do_cand[i] = 'd0;
endcase
end
end
always @(posedge clk) begin
if (rst)
final_do_max[i] <= #TCQ 0;
else begin
final_do_max[i] <= #TCQ final_do_max[i]; // default
case (final_do_index[i])
3'b000: if ( | DATA_PRESENT[3:0])
if (final_do_max[i] < final_do_cand[i])
if (CWL_M % 2) // odd latency CAS slot 1
final_do_max[i] <= #TCQ final_do_cand[i] - 1;
else
final_do_max[i] <= #TCQ final_do_cand[i];
3'b001: if ( | DATA_PRESENT[7:4])
if (final_do_max[i] < final_do_cand[i])
if (CWL_M % 2) // odd latency CAS slot 1
final_do_max[i] <= #TCQ final_do_cand[i] - 1;
else
final_do_max[i] <= #TCQ final_do_cand[i];
3'b010: if ( | DATA_PRESENT[11:8])
if (final_do_max[i] < final_do_cand[i])
if (CWL_M % 2) // odd latency CAS slot 1
final_do_max[i] <= #TCQ final_do_cand[i] - 1;
else
final_do_max[i] <= #TCQ final_do_cand[i];
default:
final_do_max[i] <= #TCQ final_do_max[i];
endcase
end
end
always @(posedge clk)
if (rst) begin
final_do_index[i] <= #TCQ 0;
end
else begin
final_do_index[i] <= #TCQ final_do_index[i] + 1;
end
for (j = 0; j < HIGHEST_BANK; j = j + 1) begin: bank_final_loop
always @(posedge clk) begin
if (rst) begin
final_data_offset[i][6*j+:6] <= #TCQ 'b0;
end
else begin
//if (dqsfound_retry[j])
// final_data_offset[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6];
//else
if (init_dqsfound_done_r && ~init_dqsfound_done_r1) begin
if ( DATA_PRESENT [ j*4+:4] != 0) begin // has a data lane
final_data_offset[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6];
if (CWL_M % 2) // odd latency CAS slot 1
final_data_offset_mc[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6] - 1;
else // even latency CAS slot 0
final_data_offset_mc[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6];
end
end
else if (init_dqsfound_done_r5 ) begin
if ( DATA_PRESENT [ j*4+:4] == 0) begin // all control lanes
final_data_offset[i][6*j+:6] <= #TCQ final_do_max[i];
final_data_offset_mc[i][6*j+:6] <= #TCQ final_do_max[i];
end
end
end
end
end
end
endgenerate
// Error generation in case pi_found_dqs signal from Phaser_IN
// is not asserted when a common rddata_offset value is used
always @(posedge clk) begin
pi_dqs_found_err <= #TCQ |pi_dqs_found_err_r;
end
endmodule
|
module mig_7series_v2_3_ddr_phy_dqs_found_cal #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter nCK_PER_CLK = 2, // # of memory clocks per CLK
parameter nCL = 5, // Read CAS latency
parameter AL = "0",
parameter nCWL = 5, // Write CAS latency
parameter DRAM_TYPE = "DDR3", // Memory I/F type: "DDR3", "DDR2"
parameter RANKS = 1, // # of memory ranks in the system
parameter DQS_CNT_WIDTH = 3, // = ceil(log2(DQS_WIDTH))
parameter DQS_WIDTH = 8, // # of DQS (strobe)
parameter DRAM_WIDTH = 8, // # of DQ per DQS
parameter REG_CTRL = "ON", // "ON" for registered DIMM
parameter SIM_CAL_OPTION = "NONE", // Performs all calibration steps
parameter NUM_DQSFOUND_CAL = 3, // Number of times to iterate
parameter N_CTL_LANES = 3, // Number of control byte lanes
parameter HIGHEST_LANE = 12, // Sum of byte lanes (Data + Ctrl)
parameter HIGHEST_BANK = 3, // Sum of I/O Banks
parameter BYTE_LANES_B0 = 4'b1111,
parameter BYTE_LANES_B1 = 4'b0000,
parameter BYTE_LANES_B2 = 4'b0000,
parameter BYTE_LANES_B3 = 4'b0000,
parameter BYTE_LANES_B4 = 4'b0000,
parameter DATA_CTL_B0 = 4'hc,
parameter DATA_CTL_B1 = 4'hf,
parameter DATA_CTL_B2 = 4'hf,
parameter DATA_CTL_B3 = 4'hf,
parameter DATA_CTL_B4 = 4'hf
)
(
input clk,
input rst,
input dqsfound_retry,
// From phy_init
input pi_dqs_found_start,
input detect_pi_found_dqs,
input prech_done,
// DQSFOUND per Phaser_IN
input [HIGHEST_LANE-1:0] pi_dqs_found_lanes,
output reg [HIGHEST_BANK-1:0] pi_rst_stg1_cal,
// To phy_init
output [5:0] rd_data_offset_0,
output [5:0] rd_data_offset_1,
output [5:0] rd_data_offset_2,
output pi_dqs_found_rank_done,
output pi_dqs_found_done,
output reg pi_dqs_found_err,
output [6*RANKS-1:0] rd_data_offset_ranks_0,
output [6*RANKS-1:0] rd_data_offset_ranks_1,
output [6*RANKS-1:0] rd_data_offset_ranks_2,
output reg dqsfound_retry_done,
output reg dqs_found_prech_req,
//To MC
output [6*RANKS-1:0] rd_data_offset_ranks_mc_0,
output [6*RANKS-1:0] rd_data_offset_ranks_mc_1,
output [6*RANKS-1:0] rd_data_offset_ranks_mc_2,
input [8:0] po_counter_read_val,
output rd_data_offset_cal_done,
output fine_adjust_done,
output [N_CTL_LANES-1:0] fine_adjust_lane_cnt,
output reg ck_po_stg2_f_indec,
output reg ck_po_stg2_f_en,
output [255:0] dbg_dqs_found_cal
);
// For non-zero AL values
localparam nAL = (AL == "CL-1") ? nCL - 1 : 0;
// Adding the register dimm latency to write latency
localparam CWL_M = (REG_CTRL == "ON") ? nCWL + nAL + 1 : nCWL + nAL;
// Added to reduce simulation time
localparam LATENCY_FACTOR = 13;
localparam NUM_READS = (SIM_CAL_OPTION == "NONE") ? 7 : 1;
localparam [19:0] DATA_PRESENT = {(DATA_CTL_B4[3] & BYTE_LANES_B4[3]),
(DATA_CTL_B4[2] & BYTE_LANES_B4[2]),
(DATA_CTL_B4[1] & BYTE_LANES_B4[1]),
(DATA_CTL_B4[0] & BYTE_LANES_B4[0]),
(DATA_CTL_B3[3] & BYTE_LANES_B3[3]),
(DATA_CTL_B3[2] & BYTE_LANES_B3[2]),
(DATA_CTL_B3[1] & BYTE_LANES_B3[1]),
(DATA_CTL_B3[0] & BYTE_LANES_B3[0]),
(DATA_CTL_B2[3] & BYTE_LANES_B2[3]),
(DATA_CTL_B2[2] & BYTE_LANES_B2[2]),
(DATA_CTL_B2[1] & BYTE_LANES_B2[1]),
(DATA_CTL_B2[0] & BYTE_LANES_B2[0]),
(DATA_CTL_B1[3] & BYTE_LANES_B1[3]),
(DATA_CTL_B1[2] & BYTE_LANES_B1[2]),
(DATA_CTL_B1[1] & BYTE_LANES_B1[1]),
(DATA_CTL_B1[0] & BYTE_LANES_B1[0]),
(DATA_CTL_B0[3] & BYTE_LANES_B0[3]),
(DATA_CTL_B0[2] & BYTE_LANES_B0[2]),
(DATA_CTL_B0[1] & BYTE_LANES_B0[1]),
(DATA_CTL_B0[0] & BYTE_LANES_B0[0])};
localparam FINE_ADJ_IDLE = 4'h0;
localparam RST_POSTWAIT = 4'h1;
localparam RST_POSTWAIT1 = 4'h2;
localparam RST_WAIT = 4'h3;
localparam FINE_ADJ_INIT = 4'h4;
localparam FINE_INC = 4'h5;
localparam FINE_INC_WAIT = 4'h6;
localparam FINE_INC_PREWAIT = 4'h7;
localparam DETECT_PREWAIT = 4'h8;
localparam DETECT_DQSFOUND = 4'h9;
localparam PRECH_WAIT = 4'hA;
localparam FINE_DEC = 4'hB;
localparam FINE_DEC_WAIT = 4'hC;
localparam FINE_DEC_PREWAIT = 4'hD;
localparam FINAL_WAIT = 4'hE;
localparam FINE_ADJ_DONE = 4'hF;
integer k,l,m,n,p,q,r,s;
reg dqs_found_start_r;
reg [6*HIGHEST_BANK-1:0] rd_byte_data_offset[0:RANKS-1];
reg rank_done_r;
reg rank_done_r1;
reg dqs_found_done_r;
(* ASYNC_REG = "TRUE" *) reg [HIGHEST_LANE-1:0] pi_dqs_found_lanes_r1;
(* ASYNC_REG = "TRUE" *) reg [HIGHEST_LANE-1:0] pi_dqs_found_lanes_r2;
(* ASYNC_REG = "TRUE" *) reg [HIGHEST_LANE-1:0] pi_dqs_found_lanes_r3;
reg init_dqsfound_done_r;
reg init_dqsfound_done_r1;
reg init_dqsfound_done_r2;
reg init_dqsfound_done_r3;
reg init_dqsfound_done_r4;
reg init_dqsfound_done_r5;
reg [1:0] rnk_cnt_r;
reg [2:0 ] final_do_index[0:RANKS-1];
reg [5:0 ] final_do_max[0:RANKS-1];
reg [6*HIGHEST_BANK-1:0] final_data_offset[0:RANKS-1];
reg [6*HIGHEST_BANK-1:0] final_data_offset_mc[0:RANKS-1];
reg [HIGHEST_BANK-1:0] pi_rst_stg1_cal_r;
reg [HIGHEST_BANK-1:0] pi_rst_stg1_cal_r1;
reg [10*HIGHEST_BANK-1:0] retry_cnt;
reg dqsfound_retry_r1;
wire [4*HIGHEST_BANK-1:0] pi_dqs_found_lanes_int;
reg [HIGHEST_BANK-1:0] pi_dqs_found_all_bank;
reg [HIGHEST_BANK-1:0] pi_dqs_found_all_bank_r;
reg [HIGHEST_BANK-1:0] pi_dqs_found_any_bank;
reg [HIGHEST_BANK-1:0] pi_dqs_found_any_bank_r;
reg [HIGHEST_BANK-1:0] pi_dqs_found_err_r;
// CK/Control byte lanes fine adjust stage
reg fine_adjust;
reg [N_CTL_LANES-1:0] ctl_lane_cnt;
reg [3:0] fine_adj_state_r;
reg fine_adjust_done_r;
reg rst_dqs_find;
reg rst_dqs_find_r1;
reg rst_dqs_find_r2;
reg [5:0] init_dec_cnt;
reg [5:0] dec_cnt;
reg [5:0] inc_cnt;
reg final_dec_done;
reg init_dec_done;
reg first_fail_detect;
reg second_fail_detect;
reg [5:0] first_fail_taps;
reg [5:0] second_fail_taps;
reg [5:0] stable_pass_cnt;
reg [3:0] detect_rd_cnt;
//***************************************************************************
// Debug signals
//
//***************************************************************************
assign dbg_dqs_found_cal[5:0] = first_fail_taps;
assign dbg_dqs_found_cal[11:6] = second_fail_taps;
assign dbg_dqs_found_cal[12] = first_fail_detect;
assign dbg_dqs_found_cal[13] = second_fail_detect;
assign dbg_dqs_found_cal[14] = fine_adjust_done_r;
assign pi_dqs_found_rank_done = rank_done_r;
assign pi_dqs_found_done = dqs_found_done_r;
generate
genvar rnk_cnt;
if (HIGHEST_BANK == 3) begin // Three Bank Interface
for (rnk_cnt = 0; rnk_cnt < RANKS; rnk_cnt = rnk_cnt + 1) begin: rnk_loop
assign rd_data_offset_ranks_0[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][5:0];
assign rd_data_offset_ranks_1[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][11:6];
assign rd_data_offset_ranks_2[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][17:12];
assign rd_data_offset_ranks_mc_0[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][5:0];
assign rd_data_offset_ranks_mc_1[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][11:6];
assign rd_data_offset_ranks_mc_2[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][17:12];
end
end else if (HIGHEST_BANK == 2) begin // Two Bank Interface
for (rnk_cnt = 0; rnk_cnt < RANKS; rnk_cnt = rnk_cnt + 1) begin: rnk_loop
assign rd_data_offset_ranks_0[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][5:0];
assign rd_data_offset_ranks_1[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][11:6];
assign rd_data_offset_ranks_2[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_mc_0[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][5:0];
assign rd_data_offset_ranks_mc_1[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][11:6];
assign rd_data_offset_ranks_mc_2[6*rnk_cnt+:6] = 'd0;
end
end else begin // Single Bank Interface
for (rnk_cnt = 0; rnk_cnt < RANKS; rnk_cnt = rnk_cnt + 1) begin: rnk_loop
assign rd_data_offset_ranks_0[6*rnk_cnt+:6] = final_data_offset[rnk_cnt][5:0];
assign rd_data_offset_ranks_1[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_2[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_mc_0[6*rnk_cnt+:6] = final_data_offset_mc[rnk_cnt][5:0];
assign rd_data_offset_ranks_mc_1[6*rnk_cnt+:6] = 'd0;
assign rd_data_offset_ranks_mc_2[6*rnk_cnt+:6] = 'd0;
end
end
endgenerate
// final_data_offset is used during write calibration and during
// normal operation. One rd_data_offset value per rank for entire
// interface
generate
if (HIGHEST_BANK == 3) begin // Three I/O Bank interface
assign rd_data_offset_0 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][0+:6] :
final_data_offset[rnk_cnt_r][0+:6];
assign rd_data_offset_1 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][6+:6] :
final_data_offset[rnk_cnt_r][6+:6];
assign rd_data_offset_2 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][12+:6] :
final_data_offset[rnk_cnt_r][12+:6];
end else if (HIGHEST_BANK == 2) begin // Two I/O Bank interface
assign rd_data_offset_0 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][0+:6] :
final_data_offset[rnk_cnt_r][0+:6];
assign rd_data_offset_1 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][6+:6] :
final_data_offset[rnk_cnt_r][6+:6];
assign rd_data_offset_2 = 'd0;
end else begin
assign rd_data_offset_0 = (~init_dqsfound_done_r2) ? rd_byte_data_offset[rnk_cnt_r][0+:6] :
final_data_offset[rnk_cnt_r][0+:6];
assign rd_data_offset_1 = 'd0;
assign rd_data_offset_2 = 'd0;
end
endgenerate
assign rd_data_offset_cal_done = init_dqsfound_done_r;
assign fine_adjust_lane_cnt = ctl_lane_cnt;
//**************************************************************************
// DQSFOUND all and any generation
// pi_dqs_found_all_bank[x] asserted when all Phaser_INs in Bankx are
// asserted
// pi_dqs_found_any_bank[x] asserted when at least one Phaser_IN in Bankx
// is asserted
//**************************************************************************
generate
if ((HIGHEST_LANE == 4) || (HIGHEST_LANE == 8) || (HIGHEST_LANE == 12))
assign pi_dqs_found_lanes_int = pi_dqs_found_lanes_r3;
else if ((HIGHEST_LANE == 7) || (HIGHEST_LANE == 11))
assign pi_dqs_found_lanes_int = {1'b0, pi_dqs_found_lanes_r3};
else if ((HIGHEST_LANE == 6) || (HIGHEST_LANE == 10))
assign pi_dqs_found_lanes_int = {2'b00, pi_dqs_found_lanes_r3};
else if ((HIGHEST_LANE == 5) || (HIGHEST_LANE == 9))
assign pi_dqs_found_lanes_int = {3'b000, pi_dqs_found_lanes_r3};
endgenerate
always @(posedge clk) begin
if (rst) begin
for (k = 0; k < HIGHEST_BANK; k = k + 1) begin: rst_pi_dqs_found
pi_dqs_found_all_bank[k] <= #TCQ 'b0;
pi_dqs_found_any_bank[k] <= #TCQ 'b0;
end
end else if (pi_dqs_found_start) begin
for (p = 0; p < HIGHEST_BANK; p = p +1) begin: assign_pi_dqs_found
pi_dqs_found_all_bank[p] <= #TCQ (!DATA_PRESENT[4*p+0] | pi_dqs_found_lanes_int[4*p+0]) &
(!DATA_PRESENT[4*p+1] | pi_dqs_found_lanes_int[4*p+1]) &
(!DATA_PRESENT[4*p+2] | pi_dqs_found_lanes_int[4*p+2]) &
(!DATA_PRESENT[4*p+3] | pi_dqs_found_lanes_int[4*p+3]);
pi_dqs_found_any_bank[p] <= #TCQ (DATA_PRESENT[4*p+0] & pi_dqs_found_lanes_int[4*p+0]) |
(DATA_PRESENT[4*p+1] & pi_dqs_found_lanes_int[4*p+1]) |
(DATA_PRESENT[4*p+2] & pi_dqs_found_lanes_int[4*p+2]) |
(DATA_PRESENT[4*p+3] & pi_dqs_found_lanes_int[4*p+3]);
end
end
end
always @(posedge clk) begin
pi_dqs_found_all_bank_r <= #TCQ pi_dqs_found_all_bank;
pi_dqs_found_any_bank_r <= #TCQ pi_dqs_found_any_bank;
end
//*****************************************************************************
// Counter to increase number of 4 back-to-back reads per rd_data_offset and
// per CK/A/C tap value
//*****************************************************************************
always @(posedge clk) begin
if (rst || (detect_rd_cnt == 'd0))
detect_rd_cnt <= #TCQ NUM_READS;
else if (detect_pi_found_dqs && (detect_rd_cnt > 'd0))
detect_rd_cnt <= #TCQ detect_rd_cnt - 1;
end
//**************************************************************************
// Adjust Phaser_Out stage 2 taps on CK/Address/Command/Controls
//
//**************************************************************************
assign fine_adjust_done = fine_adjust_done_r;
always @(posedge clk) begin
rst_dqs_find_r1 <= #TCQ rst_dqs_find;
rst_dqs_find_r2 <= #TCQ rst_dqs_find_r1;
end
always @(posedge clk) begin
if(rst)begin
fine_adjust <= #TCQ 1'b0;
ctl_lane_cnt <= #TCQ 'd0;
fine_adj_state_r <= #TCQ FINE_ADJ_IDLE;
fine_adjust_done_r <= #TCQ 1'b0;
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b0;
rst_dqs_find <= #TCQ 1'b0;
init_dec_cnt <= #TCQ 'd31;
dec_cnt <= #TCQ 'd0;
inc_cnt <= #TCQ 'd0;
init_dec_done <= #TCQ 1'b0;
final_dec_done <= #TCQ 1'b0;
first_fail_detect <= #TCQ 1'b0;
second_fail_detect <= #TCQ 1'b0;
first_fail_taps <= #TCQ 'd0;
second_fail_taps <= #TCQ 'd0;
stable_pass_cnt <= #TCQ 'd0;
dqs_found_prech_req<= #TCQ 1'b0;
end else begin
case (fine_adj_state_r)
FINE_ADJ_IDLE: begin
if (init_dqsfound_done_r5) begin
if (SIM_CAL_OPTION == "FAST_CAL") begin
fine_adjust <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ FINE_ADJ_DONE;
rst_dqs_find <= #TCQ 1'b0;
end else begin
fine_adjust <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
rst_dqs_find <= #TCQ 1'b1;
end
end
end
RST_WAIT: begin
if (~(|pi_dqs_found_any_bank) && rst_dqs_find_r2) begin
rst_dqs_find <= #TCQ 1'b0;
if (|init_dec_cnt)
fine_adj_state_r <= #TCQ FINE_DEC_PREWAIT;
else if (final_dec_done)
fine_adj_state_r <= #TCQ FINE_ADJ_DONE;
else
fine_adj_state_r <= #TCQ RST_POSTWAIT;
end
end
RST_POSTWAIT: begin
fine_adj_state_r <= #TCQ RST_POSTWAIT1;
end
RST_POSTWAIT1: begin
fine_adj_state_r <= #TCQ FINE_ADJ_INIT;
end
FINE_ADJ_INIT: begin
//if (detect_pi_found_dqs && (inc_cnt < 'd63))
fine_adj_state_r <= #TCQ FINE_INC;
end
FINE_INC: begin
fine_adj_state_r <= #TCQ FINE_INC_WAIT;
ck_po_stg2_f_indec <= #TCQ 1'b1;
ck_po_stg2_f_en <= #TCQ 1'b1;
if (ctl_lane_cnt == N_CTL_LANES-1)
inc_cnt <= #TCQ inc_cnt + 1;
end
FINE_INC_WAIT: begin
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b0;
if (ctl_lane_cnt != N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ ctl_lane_cnt + 1;
fine_adj_state_r <= #TCQ FINE_INC_PREWAIT;
end else if (ctl_lane_cnt == N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ 'd0;
fine_adj_state_r <= #TCQ DETECT_PREWAIT;
end
end
FINE_INC_PREWAIT: begin
fine_adj_state_r <= #TCQ FINE_INC;
end
DETECT_PREWAIT: begin
if (detect_pi_found_dqs && (detect_rd_cnt == 'd1))
fine_adj_state_r <= #TCQ DETECT_DQSFOUND;
else
fine_adj_state_r <= #TCQ DETECT_PREWAIT;
end
DETECT_DQSFOUND: begin
if (detect_pi_found_dqs && ~(&pi_dqs_found_all_bank)) begin
stable_pass_cnt <= #TCQ 'd0;
if (~first_fail_detect && (inc_cnt == 'd63)) begin
// First failing tap detected at 63 taps
// then decrement to 31
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ 'd32;
end else if (~first_fail_detect && (inc_cnt > 'd30) && (stable_pass_cnt > 'd29)) begin
// First failing tap detected at greater than 30 taps
// then stop looking for second edge and decrement
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ (inc_cnt>>1) + 1;
end else if (~first_fail_detect || (first_fail_detect && (stable_pass_cnt < 'd30) && (inc_cnt <= 'd32))) begin
// First failing tap detected, continue incrementing
// until either second failing tap detected or 63
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
rst_dqs_find <= #TCQ 1'b1;
if ((inc_cnt == 'd12) || (inc_cnt == 'd24)) begin
dqs_found_prech_req <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ PRECH_WAIT;
end else
fine_adj_state_r <= #TCQ RST_WAIT;
end else if (first_fail_detect && (inc_cnt > 'd32) && (inc_cnt < 'd63) && (stable_pass_cnt < 'd30)) begin
// Consecutive 30 taps of passing region was not found
// continue incrementing
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
rst_dqs_find <= #TCQ 1'b1;
if ((inc_cnt == 'd36) || (inc_cnt == 'd48) || (inc_cnt == 'd60)) begin
dqs_found_prech_req <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ PRECH_WAIT;
end else
fine_adj_state_r <= #TCQ RST_WAIT;
end else if (first_fail_detect && (inc_cnt == 'd63)) begin
if (stable_pass_cnt < 'd30) begin
// Consecutive 30 taps of passing region was not found
// from tap 0 to 63 so decrement back to 31
first_fail_detect <= #TCQ 1'b1;
first_fail_taps <= #TCQ inc_cnt;
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ 'd32;
end else begin
// Consecutive 30 taps of passing region was found
// between first_fail_taps and 63
fine_adj_state_r <= #TCQ FINE_DEC;
dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
end
end else begin
// Second failing tap detected, decrement to center of
// failing taps
second_fail_detect <= #TCQ 1'b1;
second_fail_taps <= #TCQ inc_cnt;
dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
fine_adj_state_r <= #TCQ FINE_DEC;
end
end else if (detect_pi_found_dqs && (&pi_dqs_found_all_bank)) begin
stable_pass_cnt <= #TCQ stable_pass_cnt + 1;
if ((inc_cnt == 'd12) || (inc_cnt == 'd24) || (inc_cnt == 'd36) ||
(inc_cnt == 'd48) || (inc_cnt == 'd60)) begin
dqs_found_prech_req <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ PRECH_WAIT;
end else if (inc_cnt < 'd63) begin
rst_dqs_find <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
end else begin
fine_adj_state_r <= #TCQ FINE_DEC;
if (~first_fail_detect || (first_fail_taps > 'd33))
// No failing taps detected, decrement by 31
dec_cnt <= #TCQ 'd32;
//else if (first_fail_detect && (stable_pass_cnt > 'd28))
// // First failing tap detected between 0 and 34
// // decrement midpoint between 63 and failing tap
// dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
else
// First failing tap detected
// decrement to midpoint between 63 and failing tap
dec_cnt <= #TCQ ((inc_cnt - first_fail_taps)>>1);
end
end
end
PRECH_WAIT: begin
if (prech_done) begin
dqs_found_prech_req <= #TCQ 1'b0;
rst_dqs_find <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
end
end
FINE_DEC: begin
fine_adj_state_r <= #TCQ FINE_DEC_WAIT;
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b1;
if ((ctl_lane_cnt == N_CTL_LANES-1) && (init_dec_cnt > 'd0))
init_dec_cnt <= #TCQ init_dec_cnt - 1;
else if ((ctl_lane_cnt == N_CTL_LANES-1) && (dec_cnt > 'd0))
dec_cnt <= #TCQ dec_cnt - 1;
end
FINE_DEC_WAIT: begin
ck_po_stg2_f_indec <= #TCQ 1'b0;
ck_po_stg2_f_en <= #TCQ 1'b0;
if (ctl_lane_cnt != N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ ctl_lane_cnt + 1;
fine_adj_state_r <= #TCQ FINE_DEC_PREWAIT;
end else if (ctl_lane_cnt == N_CTL_LANES-1) begin
ctl_lane_cnt <= #TCQ 'd0;
if ((dec_cnt > 'd0) || (init_dec_cnt > 'd0))
fine_adj_state_r <= #TCQ FINE_DEC_PREWAIT;
else begin
fine_adj_state_r <= #TCQ FINAL_WAIT;
if ((init_dec_cnt == 'd0) && ~init_dec_done)
init_dec_done <= #TCQ 1'b1;
else
final_dec_done <= #TCQ 1'b1;
end
end
end
FINE_DEC_PREWAIT: begin
fine_adj_state_r <= #TCQ FINE_DEC;
end
FINAL_WAIT: begin
rst_dqs_find <= #TCQ 1'b1;
fine_adj_state_r <= #TCQ RST_WAIT;
end
FINE_ADJ_DONE: begin
if (&pi_dqs_found_all_bank) begin
fine_adjust_done_r <= #TCQ 1'b1;
rst_dqs_find <= #TCQ 1'b0;
fine_adj_state_r <= #TCQ FINE_ADJ_DONE;
end
end
endcase
end
end
//*****************************************************************************
always@(posedge clk)
dqs_found_start_r <= #TCQ pi_dqs_found_start;
always @(posedge clk) begin
if (rst)
rnk_cnt_r <= #TCQ 2'b00;
else if (init_dqsfound_done_r)
rnk_cnt_r <= #TCQ rnk_cnt_r;
else if (rank_done_r)
rnk_cnt_r <= #TCQ rnk_cnt_r + 1;
end
//*****************************************************************
// Read data_offset calibration done signal
//*****************************************************************
always @(posedge clk) begin
if (rst || (|pi_rst_stg1_cal_r))
init_dqsfound_done_r <= #TCQ 1'b0;
else if (&pi_dqs_found_all_bank) begin
if (rnk_cnt_r == RANKS-1)
init_dqsfound_done_r <= #TCQ 1'b1;
else
init_dqsfound_done_r <= #TCQ 1'b0;
end
end
always @(posedge clk) begin
if (rst ||
(init_dqsfound_done_r && (rnk_cnt_r == RANKS-1)))
rank_done_r <= #TCQ 1'b0;
else if (&pi_dqs_found_all_bank && ~(&pi_dqs_found_all_bank_r))
rank_done_r <= #TCQ 1'b1;
else
rank_done_r <= #TCQ 1'b0;
end
always @(posedge clk) begin
pi_dqs_found_lanes_r1 <= #TCQ pi_dqs_found_lanes;
pi_dqs_found_lanes_r2 <= #TCQ pi_dqs_found_lanes_r1;
pi_dqs_found_lanes_r3 <= #TCQ pi_dqs_found_lanes_r2;
init_dqsfound_done_r1 <= #TCQ init_dqsfound_done_r;
init_dqsfound_done_r2 <= #TCQ init_dqsfound_done_r1;
init_dqsfound_done_r3 <= #TCQ init_dqsfound_done_r2;
init_dqsfound_done_r4 <= #TCQ init_dqsfound_done_r3;
init_dqsfound_done_r5 <= #TCQ init_dqsfound_done_r4;
rank_done_r1 <= #TCQ rank_done_r;
dqsfound_retry_r1 <= #TCQ dqsfound_retry;
end
always @(posedge clk) begin
if (rst)
dqs_found_done_r <= #TCQ 1'b0;
else if (&pi_dqs_found_all_bank && (rnk_cnt_r == RANKS-1) && init_dqsfound_done_r1 &&
(fine_adj_state_r == FINE_ADJ_DONE))
dqs_found_done_r <= #TCQ 1'b1;
else
dqs_found_done_r <= #TCQ 1'b0;
end
generate
if (HIGHEST_BANK == 3) begin // Three I/O Bank interface
// Reset read data offset calibration in all DQS Phaser_INs
// in a Bank after the read data offset value for a rank is determined
// or if within a Bank DQSFOUND is not asserted for all DQSs
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[0] || fine_adjust)
pi_rst_stg1_cal_r[0] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[0]) ||
(pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0]) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[1] || fine_adjust)
pi_rst_stg1_cal_r[1] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[1]) ||
(pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1]) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[1] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[2] || fine_adjust)
pi_rst_stg1_cal_r[2] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[2]) ||
(pi_dqs_found_any_bank_r[2] && ~pi_dqs_found_all_bank[2]) ||
(rd_byte_data_offset[rnk_cnt_r][12+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[2] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[2] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[2])
pi_rst_stg1_cal_r1[2] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[2] && ~pi_dqs_found_all_bank[2])
pi_rst_stg1_cal_r1[2] <= #TCQ 1'b0;
end
//*****************************************************************************
// Retry counter to track number of DQSFOUND retries
//*****************************************************************************
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[0+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[0])
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10] + 1;
else
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10];
end
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[10+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[1])
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10] + 1;
else
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10];
end
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[20+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][12+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[2])
retry_cnt[20+:10] <= #TCQ retry_cnt[20+:10] + 1;
else
retry_cnt[20+:10] <= #TCQ retry_cnt[20+:10];
end
// Error generation in case pi_dqs_found_all_bank
// is not asserted
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[0] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[0] && (retry_cnt[0+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[1] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[1] && (retry_cnt[10+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[1] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[2] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[2] && (retry_cnt[20+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][12+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[2] <= #TCQ 1'b1;
end
// Read data offset value for all DQS in a Bank
always @(posedge clk) begin
if (rst) begin
for (q = 0; q < RANKS; q = q + 1) begin: three_bank0_rst_loop
rd_byte_data_offset[q][0+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r][0+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[0] &&
//(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][0+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][0+:6] - 1;
end
always @(posedge clk) begin
if (rst) begin
for (r = 0; r < RANKS; r = r + 1) begin: three_bank1_rst_loop
rd_byte_data_offset[r][6+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r][6+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[1] &&
//(rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][6+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][6+:6] - 1;
end
always @(posedge clk) begin
if (rst) begin
for (s = 0; s < RANKS; s = s + 1) begin: three_bank2_rst_loop
rd_byte_data_offset[s][12+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][12+:6] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r][12+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[2] &&
//(rd_byte_data_offset[rnk_cnt_r][12+:6] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][12+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][12+:6] - 1;
end
//*****************************************************************************
// Two I/O Bank Interface
//*****************************************************************************
end else if (HIGHEST_BANK == 2) begin // Two I/O Bank interface
// Reset read data offset calibration in all DQS Phaser_INs
// in a Bank after the read data offset value for a rank is determined
// or if within a Bank DQSFOUND is not asserted for all DQSs
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[0] || fine_adjust)
pi_rst_stg1_cal_r[0] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[0]) ||
(pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0]) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[1] || fine_adjust)
pi_rst_stg1_cal_r[1] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[1]) ||
(pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1]) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[1] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[1] && ~pi_dqs_found_all_bank[1])
pi_rst_stg1_cal_r1[1] <= #TCQ 1'b0;
end
//*****************************************************************************
// Retry counter to track number of DQSFOUND retries
//*****************************************************************************
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[0+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[0])
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10] + 1;
else
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10];
end
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[10+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[1])
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10] + 1;
else
retry_cnt[10+:10] <= #TCQ retry_cnt[10+:10];
end
// Error generation in case pi_dqs_found_all_bank
// is not asserted
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[0] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[0] && (retry_cnt[0+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[1] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[1] && (retry_cnt[10+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[1] <= #TCQ 1'b1;
end
// Read data offset value for all DQS in a Bank
always @(posedge clk) begin
if (rst) begin
for (q = 0; q < RANKS; q = q + 1) begin: two_bank0_rst_loop
rd_byte_data_offset[q][0+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r][0+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[0] &&
//(rd_byte_data_offset[rnk_cnt_r][0+:6] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][0+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][0+:6] - 1;
end
always @(posedge clk) begin
if (rst) begin
for (r = 0; r < RANKS; r = r + 1) begin: two_bank1_rst_loop
rd_byte_data_offset[r][6+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r][6+:6] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r][6+:6] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[1] &&
//(rd_byte_data_offset[rnk_cnt_r][6+:6] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r][6+:6]
<= #TCQ rd_byte_data_offset[rnk_cnt_r][6+:6] - 1;
end
//*****************************************************************************
// One I/O Bank Interface
//*****************************************************************************
end else begin // One I/O Bank Interface
// Read data offset value for all DQS in Bank0
always @(posedge clk) begin
if (rst) begin
for (l = 0; l < RANKS; l = l + 1) begin: bank_rst_loop
rd_byte_data_offset[l] <= #TCQ nCL + nAL + LATENCY_FACTOR;
end
end else if ((rank_done_r1 && ~init_dqsfound_done_r) ||
(rd_byte_data_offset[rnk_cnt_r] < (nCL + nAL - 1)))
rd_byte_data_offset[rnk_cnt_r] <= #TCQ nCL + nAL + LATENCY_FACTOR;
else if (dqs_found_start_r && ~pi_dqs_found_all_bank[0] &&
//(rd_byte_data_offset[rnk_cnt_r] > (nCL + nAL -1)) &&
(detect_pi_found_dqs && (detect_rd_cnt == 'd1)) && ~init_dqsfound_done_r && ~fine_adjust)
rd_byte_data_offset[rnk_cnt_r]
<= #TCQ rd_byte_data_offset[rnk_cnt_r] - 1;
end
// Reset read data offset calibration in all DQS Phaser_INs
// in a Bank after the read data offset value for a rank is determined
// or if within a Bank DQSFOUND is not asserted for all DQSs
always @(posedge clk) begin
if (rst || pi_rst_stg1_cal_r1[0] || fine_adjust)
pi_rst_stg1_cal_r[0] <= #TCQ 1'b0;
else if ((pi_dqs_found_start && ~dqs_found_start_r) ||
//(dqsfound_retry[0]) ||
(pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0]) ||
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_rst_stg1_cal_r[0] <= #TCQ 1'b1;
end
always @(posedge clk) begin
if (rst || fine_adjust)
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
else if (pi_rst_stg1_cal_r[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b1;
else if (~pi_dqs_found_any_bank_r[0] && ~pi_dqs_found_all_bank[0])
pi_rst_stg1_cal_r1[0] <= #TCQ 1'b0;
end
//*****************************************************************************
// Retry counter to track number of DQSFOUND retries
//*****************************************************************************
always @(posedge clk) begin
if (rst || rank_done_r)
retry_cnt[0+:10] <= #TCQ 'b0;
else if ((rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)) &&
~pi_dqs_found_all_bank[0])
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10] + 1;
else
retry_cnt[0+:10] <= #TCQ retry_cnt[0+:10];
end
// Error generation in case pi_dqs_found_all_bank
// is not asserted even with 3 dqfound retries
always @(posedge clk) begin
if (rst)
pi_dqs_found_err_r[0] <= #TCQ 1'b0;
else if (~pi_dqs_found_all_bank[0] && (retry_cnt[0+:10] == NUM_DQSFOUND_CAL) &&
(rd_byte_data_offset[rnk_cnt_r][0+:6] < (nCL + nAL - 1)))
pi_dqs_found_err_r[0] <= #TCQ 1'b1;
end
end
endgenerate
always @(posedge clk) begin
if (rst)
pi_rst_stg1_cal <= #TCQ {HIGHEST_BANK{1'b0}};
else if (rst_dqs_find)
pi_rst_stg1_cal <= #TCQ {HIGHEST_BANK{1'b1}};
else
pi_rst_stg1_cal <= #TCQ pi_rst_stg1_cal_r;
end
// Final read data offset value to be used during write calibration and
// normal operation
generate
genvar i;
genvar j;
for (i = 0; i < RANKS; i = i + 1) begin: rank_final_loop
reg [5:0] final_do_cand [RANKS-1:0];
// combinatorially select the candidate offset for the bank
// indexed by final_do_index
if (HIGHEST_BANK == 3) begin
always @(*) begin
case (final_do_index[i])
3'b000: final_do_cand[i] = final_data_offset[i][5:0];
3'b001: final_do_cand[i] = final_data_offset[i][11:6];
3'b010: final_do_cand[i] = final_data_offset[i][17:12];
default: final_do_cand[i] = 'd0;
endcase
end
end else if (HIGHEST_BANK == 2) begin
always @(*) begin
case (final_do_index[i])
3'b000: final_do_cand[i] = final_data_offset[i][5:0];
3'b001: final_do_cand[i] = final_data_offset[i][11:6];
3'b010: final_do_cand[i] = 'd0;
default: final_do_cand[i] = 'd0;
endcase
end
end else begin
always @(*) begin
case (final_do_index[i])
3'b000: final_do_cand[i] = final_data_offset[i][5:0];
3'b001: final_do_cand[i] = 'd0;
3'b010: final_do_cand[i] = 'd0;
default: final_do_cand[i] = 'd0;
endcase
end
end
always @(posedge clk) begin
if (rst)
final_do_max[i] <= #TCQ 0;
else begin
final_do_max[i] <= #TCQ final_do_max[i]; // default
case (final_do_index[i])
3'b000: if ( | DATA_PRESENT[3:0])
if (final_do_max[i] < final_do_cand[i])
if (CWL_M % 2) // odd latency CAS slot 1
final_do_max[i] <= #TCQ final_do_cand[i] - 1;
else
final_do_max[i] <= #TCQ final_do_cand[i];
3'b001: if ( | DATA_PRESENT[7:4])
if (final_do_max[i] < final_do_cand[i])
if (CWL_M % 2) // odd latency CAS slot 1
final_do_max[i] <= #TCQ final_do_cand[i] - 1;
else
final_do_max[i] <= #TCQ final_do_cand[i];
3'b010: if ( | DATA_PRESENT[11:8])
if (final_do_max[i] < final_do_cand[i])
if (CWL_M % 2) // odd latency CAS slot 1
final_do_max[i] <= #TCQ final_do_cand[i] - 1;
else
final_do_max[i] <= #TCQ final_do_cand[i];
default:
final_do_max[i] <= #TCQ final_do_max[i];
endcase
end
end
always @(posedge clk)
if (rst) begin
final_do_index[i] <= #TCQ 0;
end
else begin
final_do_index[i] <= #TCQ final_do_index[i] + 1;
end
for (j = 0; j < HIGHEST_BANK; j = j + 1) begin: bank_final_loop
always @(posedge clk) begin
if (rst) begin
final_data_offset[i][6*j+:6] <= #TCQ 'b0;
end
else begin
//if (dqsfound_retry[j])
// final_data_offset[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6];
//else
if (init_dqsfound_done_r && ~init_dqsfound_done_r1) begin
if ( DATA_PRESENT [ j*4+:4] != 0) begin // has a data lane
final_data_offset[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6];
if (CWL_M % 2) // odd latency CAS slot 1
final_data_offset_mc[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6] - 1;
else // even latency CAS slot 0
final_data_offset_mc[i][6*j+:6] <= #TCQ rd_byte_data_offset[i][6*j+:6];
end
end
else if (init_dqsfound_done_r5 ) begin
if ( DATA_PRESENT [ j*4+:4] == 0) begin // all control lanes
final_data_offset[i][6*j+:6] <= #TCQ final_do_max[i];
final_data_offset_mc[i][6*j+:6] <= #TCQ final_do_max[i];
end
end
end
end
end
end
endgenerate
// Error generation in case pi_found_dqs signal from Phaser_IN
// is not asserted when a common rddata_offset value is used
always @(posedge clk) begin
pi_dqs_found_err <= #TCQ |pi_dqs_found_err_r;
end
endmodule
|
module mig_7series_v2_3_rank_common #
(
parameter TCQ = 100,
parameter DRAM_TYPE = "DDR3",
parameter MAINT_PRESCALER_DIV = 40,
parameter nBANK_MACHS = 4,
parameter nCKESR = 4,
parameter nCK_PER_CLK = 2,
parameter PERIODIC_RD_TIMER_DIV = 20,
parameter RANK_WIDTH = 2,
parameter RANKS = 4,
parameter REFRESH_TIMER_DIV = 39,
parameter ZQ_TIMER_DIV = 640000
)
(/*AUTOARG*/
// Outputs
maint_prescaler_tick_r, refresh_tick, maint_zq_r, maint_sre_r, maint_srx_r,
maint_req_r, maint_rank_r, clear_periodic_rd_request, periodic_rd_r,
periodic_rd_rank_r, app_ref_ack, app_zq_ack, app_sr_active, maint_ref_zq_wip,
// Inputs
clk, rst, init_calib_complete, app_ref_req, app_zq_req, app_sr_req,
insert_maint_r1, refresh_request, maint_wip_r, slot_0_present, slot_1_present,
periodic_rd_request, periodic_rd_ack_r
);
function integer clogb2 (input integer size); // ceiling logb2
begin
size = size - 1;
for (clogb2=1; size>1; clogb2=clogb2+1)
size = size >> 1;
end
endfunction // clogb2
input clk;
input rst;
// Maintenance and periodic read prescaler. Nominally 200 nS.
localparam ONE = 1;
localparam MAINT_PRESCALER_WIDTH = clogb2(MAINT_PRESCALER_DIV + 1);
input init_calib_complete;
reg maint_prescaler_tick_r_lcl;
generate
begin : maint_prescaler
reg [MAINT_PRESCALER_WIDTH-1:0] maint_prescaler_r;
reg [MAINT_PRESCALER_WIDTH-1:0] maint_prescaler_ns;
wire maint_prescaler_tick_ns =
(maint_prescaler_r == ONE[MAINT_PRESCALER_WIDTH-1:0]);
always @(/*AS*/init_calib_complete or maint_prescaler_r
or maint_prescaler_tick_ns) begin
maint_prescaler_ns = maint_prescaler_r;
if (~init_calib_complete || maint_prescaler_tick_ns)
maint_prescaler_ns = MAINT_PRESCALER_DIV[MAINT_PRESCALER_WIDTH-1:0];
else if (|maint_prescaler_r)
maint_prescaler_ns = maint_prescaler_r - ONE[MAINT_PRESCALER_WIDTH-1:0];
end
always @(posedge clk) maint_prescaler_r <= #TCQ maint_prescaler_ns;
always @(posedge clk) maint_prescaler_tick_r_lcl <=
#TCQ maint_prescaler_tick_ns;
end
endgenerate
output wire maint_prescaler_tick_r;
assign maint_prescaler_tick_r = maint_prescaler_tick_r_lcl;
// Refresh timebase. Nominically 7800 nS.
localparam REFRESH_TIMER_WIDTH = clogb2(REFRESH_TIMER_DIV + /*idle*/ 1);
wire refresh_tick_lcl;
generate
begin : refresh_timer
reg [REFRESH_TIMER_WIDTH-1:0] refresh_timer_r;
reg [REFRESH_TIMER_WIDTH-1:0] refresh_timer_ns;
always @(/*AS*/init_calib_complete or maint_prescaler_tick_r_lcl
or refresh_tick_lcl or refresh_timer_r) begin
refresh_timer_ns = refresh_timer_r;
if (~init_calib_complete || refresh_tick_lcl)
refresh_timer_ns = REFRESH_TIMER_DIV[REFRESH_TIMER_WIDTH-1:0];
else if (|refresh_timer_r && maint_prescaler_tick_r_lcl)
refresh_timer_ns =
refresh_timer_r - ONE[REFRESH_TIMER_WIDTH-1:0];
end
always @(posedge clk) refresh_timer_r <= #TCQ refresh_timer_ns;
assign refresh_tick_lcl = (refresh_timer_r ==
ONE[REFRESH_TIMER_WIDTH-1:0]) && maint_prescaler_tick_r_lcl;
end
endgenerate
output wire refresh_tick;
assign refresh_tick = refresh_tick_lcl;
// ZQ timebase. Nominally 128 mS
localparam ZQ_TIMER_WIDTH = clogb2(ZQ_TIMER_DIV + 1);
input app_zq_req;
input insert_maint_r1;
reg maint_zq_r_lcl;
reg zq_request = 1'b0;
generate
if (DRAM_TYPE == "DDR3") begin : zq_cntrl
reg zq_tick = 1'b0;
if (ZQ_TIMER_DIV !=0) begin : zq_timer
reg [ZQ_TIMER_WIDTH-1:0] zq_timer_r;
reg [ZQ_TIMER_WIDTH-1:0] zq_timer_ns;
always @(/*AS*/init_calib_complete or maint_prescaler_tick_r_lcl
or zq_tick or zq_timer_r) begin
zq_timer_ns = zq_timer_r;
if (~init_calib_complete || zq_tick)
zq_timer_ns = ZQ_TIMER_DIV[ZQ_TIMER_WIDTH-1:0];
else if (|zq_timer_r && maint_prescaler_tick_r_lcl)
zq_timer_ns = zq_timer_r - ONE[ZQ_TIMER_WIDTH-1:0];
end
always @(posedge clk) zq_timer_r <= #TCQ zq_timer_ns;
always @(/*AS*/maint_prescaler_tick_r_lcl or zq_timer_r)
zq_tick = (zq_timer_r ==
ONE[ZQ_TIMER_WIDTH-1:0] && maint_prescaler_tick_r_lcl);
end // zq_timer
// ZQ request. Set request with timer tick, and when exiting PHY init. Never
// request if ZQ_TIMER_DIV == 0.
begin : zq_request_logic
wire zq_clears_zq_request = insert_maint_r1 && maint_zq_r_lcl;
reg zq_request_r;
wire zq_request_ns = ~rst && (DRAM_TYPE == "DDR3") &&
((~init_calib_complete && (ZQ_TIMER_DIV != 0)) ||
(zq_request_r && ~zq_clears_zq_request) ||
zq_tick ||
(app_zq_req && init_calib_complete));
always @(posedge clk) zq_request_r <= #TCQ zq_request_ns;
always @(/*AS*/init_calib_complete or zq_request_r)
zq_request = init_calib_complete && zq_request_r;
end // zq_request_logic
end
endgenerate
// Self-refresh control
localparam nCKESR_CLKS = (nCKESR / nCK_PER_CLK) + (nCKESR % nCK_PER_CLK ? 1 : 0);
localparam CKESR_TIMER_WIDTH = clogb2(nCKESR_CLKS + 1);
input app_sr_req;
reg maint_sre_r_lcl;
reg maint_srx_r_lcl;
reg sre_request = 1'b0;
wire inhbt_srx;
generate begin : sr_cntrl
// SRE request. Set request with user request.
begin : sre_request_logic
reg sre_request_r;
wire sre_clears_sre_request = insert_maint_r1 && maint_sre_r_lcl;
wire sre_request_ns = ~rst && ((sre_request_r && ~sre_clears_sre_request)
|| (app_sr_req && init_calib_complete && ~maint_sre_r_lcl));
always @(posedge clk) sre_request_r <= #TCQ sre_request_ns;
always @(init_calib_complete or sre_request_r)
sre_request = init_calib_complete && sre_request_r;
end // sre_request_logic
// CKESR timer: Self-Refresh must be maintained for a minimum of tCKESR
begin : ckesr_timer
reg [CKESR_TIMER_WIDTH-1:0] ckesr_timer_r = {CKESR_TIMER_WIDTH{1'b0}};
reg [CKESR_TIMER_WIDTH-1:0] ckesr_timer_ns = {CKESR_TIMER_WIDTH{1'b0}};
always @(insert_maint_r1 or ckesr_timer_r or maint_sre_r_lcl) begin
ckesr_timer_ns = ckesr_timer_r;
if (insert_maint_r1 && maint_sre_r_lcl)
ckesr_timer_ns = nCKESR_CLKS[CKESR_TIMER_WIDTH-1:0];
else if(|ckesr_timer_r)
ckesr_timer_ns = ckesr_timer_r - ONE[CKESR_TIMER_WIDTH-1:0];
end
always @(posedge clk) ckesr_timer_r <= #TCQ ckesr_timer_ns;
assign inhbt_srx = |ckesr_timer_r;
end // ckesr_timer
end
endgenerate
// DRAM maintenance operations of refresh and ZQ calibration, and self-refresh
// DRAM maintenance operations and self-refresh have their own channel in the
// queue. There is also a single, very simple bank machine
// dedicated to these operations. Its assumed that the
// maintenance operations can be completed quickly enough
// to avoid any queuing.
//
// ZQ, refresh and self-refresh requests share a channel into controller.
// Self-refresh is appended to the uppermost bit of the request bus and ZQ is
// appended just below that.
input[RANKS-1:0] refresh_request;
input maint_wip_r;
reg maint_req_r_lcl;
reg [RANK_WIDTH-1:0] maint_rank_r_lcl;
input [7:0] slot_0_present;
input [7:0] slot_1_present;
generate
begin : maintenance_request
// Maintenance request pipeline.
reg upd_last_master_r;
reg new_maint_rank_r;
wire maint_busy = upd_last_master_r || new_maint_rank_r ||
maint_req_r_lcl || maint_wip_r;
wire [RANKS+1:0] maint_request = {sre_request, zq_request, refresh_request[RANKS-1:0]};
wire upd_last_master_ns = |maint_request && ~maint_busy;
always @(posedge clk) upd_last_master_r <= #TCQ upd_last_master_ns;
always @(posedge clk) new_maint_rank_r <= #TCQ upd_last_master_r;
always @(posedge clk) maint_req_r_lcl <= #TCQ new_maint_rank_r;
// Arbitrate maintenance requests.
wire [RANKS+1:0] maint_grant_ns;
wire [RANKS+1:0] maint_grant_r;
mig_7series_v2_3_round_robin_arb #
(.WIDTH (RANKS+2))
maint_arb0
(.grant_ns (maint_grant_ns),
.grant_r (maint_grant_r),
.upd_last_master (upd_last_master_r),
.current_master (maint_grant_r),
.req (maint_request),
.disable_grant (1'b0),
/*AUTOINST*/
// Inputs
.clk (clk),
.rst (rst));
// Look at arbitration results. Decide if ZQ, refresh or self-refresh.
// If refresh select the maintenance rank from the winning rank controller.
// If ZQ or self-refresh, generate a sequence of rank numbers corresponding to
// slots populated maint_rank_r is not used for comparisons in the queue for ZQ
// or self-refresh requests. The bank machine will enable CS for the number of
// states equal to the the number of occupied slots. This will produce a
// command to every occupied slot, but not in any particular order.
wire [7:0] present = slot_0_present | slot_1_present;
integer i;
reg [RANK_WIDTH-1:0] maint_rank_ns;
wire maint_zq_ns = ~rst && (upd_last_master_r
? maint_grant_r[RANKS]
: maint_zq_r_lcl);
wire maint_srx_ns = ~rst && (maint_sre_r_lcl
? ~app_sr_req & ~inhbt_srx
: maint_srx_r_lcl && upd_last_master_r
? maint_grant_r[RANKS+1]
: maint_srx_r_lcl);
wire maint_sre_ns = ~rst && (upd_last_master_r
? maint_grant_r[RANKS+1]
: maint_sre_r_lcl && ~maint_srx_ns);
always @(/*AS*/maint_grant_r or maint_rank_r_lcl or maint_zq_ns
or maint_sre_ns or maint_srx_ns or present or rst
or upd_last_master_r) begin
if (rst) maint_rank_ns = {RANK_WIDTH{1'b0}};
else begin
maint_rank_ns = maint_rank_r_lcl;
if (maint_zq_ns || maint_sre_ns || maint_srx_ns) begin
maint_rank_ns = maint_rank_r_lcl + ONE[RANK_WIDTH-1:0];
for (i=0; i<8; i=i+1)
if (~present[maint_rank_ns])
maint_rank_ns = maint_rank_ns + ONE[RANK_WIDTH-1:0];
end
else
if (upd_last_master_r)
for (i=0; i<RANKS; i=i+1)
if (maint_grant_r[i]) maint_rank_ns = i[RANK_WIDTH-1:0];
end
end
always @(posedge clk) maint_rank_r_lcl <= #TCQ maint_rank_ns;
always @(posedge clk) maint_zq_r_lcl <= #TCQ maint_zq_ns;
always @(posedge clk) maint_sre_r_lcl <= #TCQ maint_sre_ns;
always @(posedge clk) maint_srx_r_lcl <= #TCQ maint_srx_ns;
end // block: maintenance_request
endgenerate
output wire maint_zq_r;
assign maint_zq_r = maint_zq_r_lcl;
output wire maint_sre_r;
assign maint_sre_r = maint_sre_r_lcl;
output wire maint_srx_r;
assign maint_srx_r = maint_srx_r_lcl;
output wire maint_req_r;
assign maint_req_r = maint_req_r_lcl;
output wire [RANK_WIDTH-1:0] maint_rank_r;
assign maint_rank_r = maint_rank_r_lcl;
// Indicate whether self-refresh is active or not.
output app_sr_active;
reg app_sr_active_r;
wire app_sr_active_ns =
insert_maint_r1 ? maint_sre_r && ~maint_srx_r : app_sr_active_r;
always @(posedge clk) app_sr_active_r <= #TCQ app_sr_active_ns;
assign app_sr_active = app_sr_active_r;
// Acknowledge user REF and ZQ Requests
input app_ref_req;
output app_ref_ack;
wire app_ref_ack_ns;
wire app_ref_ns;
reg app_ref_ack_r = 1'b0;
reg app_ref_r = 1'b0;
assign app_ref_ns = init_calib_complete && (app_ref_req || app_ref_r && |refresh_request);
assign app_ref_ack_ns = app_ref_r && ~|refresh_request;
always @(posedge clk) app_ref_r <= #TCQ app_ref_ns;
always @(posedge clk) app_ref_ack_r <= #TCQ app_ref_ack_ns;
assign app_ref_ack = app_ref_ack_r;
output app_zq_ack;
wire app_zq_ack_ns;
wire app_zq_ns;
reg app_zq_ack_r = 1'b0;
reg app_zq_r = 1'b0;
assign app_zq_ns = init_calib_complete && (app_zq_req || app_zq_r && zq_request);
assign app_zq_ack_ns = app_zq_r && ~zq_request;
always @(posedge clk) app_zq_r <= #TCQ app_zq_ns;
always @(posedge clk) app_zq_ack_r <= #TCQ app_zq_ack_ns;
assign app_zq_ack = app_zq_ack_r;
// Periodic reads to maintain PHY alignment.
// Demand insertion of periodic read as soon as
// possible. Since the is a single rank, bank compare mechanism
// must be used, periodic reads must be forced in at the
// expense of not accepting a normal request.
input [RANKS-1:0] periodic_rd_request;
reg periodic_rd_r_lcl;
reg [RANK_WIDTH-1:0] periodic_rd_rank_r_lcl;
input periodic_rd_ack_r;
output wire [RANKS-1:0] clear_periodic_rd_request;
output wire periodic_rd_r;
output wire [RANK_WIDTH-1:0] periodic_rd_rank_r;
generate
// This is not needed in 7-Series and should remain disabled
if ( PERIODIC_RD_TIMER_DIV != 0 ) begin : periodic_read_request
// Maintenance request pipeline.
reg periodic_rd_r_cnt;
wire int_periodic_rd_ack_r = (periodic_rd_ack_r && periodic_rd_r_cnt);
reg upd_last_master_r;
wire periodic_rd_busy = upd_last_master_r || periodic_rd_r_lcl;
wire upd_last_master_ns =
init_calib_complete && (|periodic_rd_request && ~periodic_rd_busy);
always @(posedge clk) upd_last_master_r <= #TCQ upd_last_master_ns;
wire periodic_rd_ns = init_calib_complete &&
(upd_last_master_r || (periodic_rd_r_lcl && ~int_periodic_rd_ack_r));
always @(posedge clk) periodic_rd_r_lcl <= #TCQ periodic_rd_ns;
always @(posedge clk) begin
if (rst) periodic_rd_r_cnt <= #TCQ 1'b0;
else if (periodic_rd_r_lcl && periodic_rd_ack_r)
periodic_rd_r_cnt <= ~periodic_rd_r_cnt;
end
// Arbitrate periodic read requests.
wire [RANKS-1:0] periodic_rd_grant_ns;
reg [RANKS-1:0] periodic_rd_grant_r;
mig_7series_v2_3_round_robin_arb #
(.WIDTH (RANKS))
periodic_rd_arb0
(.grant_ns (periodic_rd_grant_ns[RANKS-1:0]),
.grant_r (),
.upd_last_master (upd_last_master_r),
.current_master (periodic_rd_grant_r[RANKS-1:0]),
.req (periodic_rd_request[RANKS-1:0]),
.disable_grant (1'b0),
/*AUTOINST*/
// Inputs
.clk (clk),
.rst (rst));
always @(posedge clk) periodic_rd_grant_r = upd_last_master_ns
? periodic_rd_grant_ns
: periodic_rd_grant_r;
// Encode and set periodic read rank into periodic_rd_rank_r.
integer i;
reg [RANK_WIDTH-1:0] periodic_rd_rank_ns;
always @(/*AS*/periodic_rd_grant_r or periodic_rd_rank_r_lcl
or upd_last_master_r) begin
periodic_rd_rank_ns = periodic_rd_rank_r_lcl;
if (upd_last_master_r)
for (i=0; i<RANKS; i=i+1)
if (periodic_rd_grant_r[i])
periodic_rd_rank_ns = i[RANK_WIDTH-1:0];
end
always @(posedge clk) periodic_rd_rank_r_lcl <=
#TCQ periodic_rd_rank_ns;
// Once the request is dropped in the queue, it might be a while before it
// emerges. Can't clear the request based on seeing the read issued.
// Need to clear the request as soon as its made it into the queue.
assign clear_periodic_rd_request =
periodic_rd_grant_r & {RANKS{periodic_rd_ack_r}};
assign periodic_rd_r = periodic_rd_r_lcl;
assign periodic_rd_rank_r = periodic_rd_rank_r_lcl;
end else begin
// Disable periodic reads
assign clear_periodic_rd_request = {RANKS{1'b0}};
assign periodic_rd_r = 1'b0;
assign periodic_rd_rank_r = {RANK_WIDTH{1'b0}};
end // block: periodic_read_request
endgenerate
// Indicate that a refresh is in progress. The PHY will use this to schedule
// tap adjustments during idle bus time
reg maint_ref_zq_wip_r = 1'b0;
output maint_ref_zq_wip;
always @(posedge clk)
if(rst)
maint_ref_zq_wip_r <= #TCQ 1'b0;
else if((zq_request || |refresh_request) && insert_maint_r1)
maint_ref_zq_wip_r <= #TCQ 1'b1;
else if(~maint_wip_r)
maint_ref_zq_wip_r <= #TCQ 1'b0;
assign maint_ref_zq_wip = maint_ref_zq_wip_r;
endmodule
|
module Comparators
//Module Parameter
//W_Exp = 9 ; Single Precision Format
//W_Exp = 11; Double Precision Format
# (parameter W_Exp = 9)
/* # (parameter W_Exp = 12)*/
(
input wire [W_Exp-1:0] exp, //exponent of the fifth phase
output wire overflow, //overflow flag
output wire underflow //underflow flag
);
wire [W_Exp-1:0] U_limit; //Max Normal value of the standar ieee 754
wire [W_Exp-1:0] L_limit; //Min Normal value of the standar ieee 754
//Compares the exponent with the Max Normal Value, if the exponent is
//larger than U_limit then exist overflow
Greater_Comparator #(.W(W_Exp)) GTComparator (
.Data_A(exp),
.Data_B(U_limit),
.gthan(overflow)
);
//Compares the exponent with the Min Normal Value, if the exponent is
//smaller than L_limit then exist underflow
Comparator_Less #(.W(W_Exp)) LTComparator (
.Data_A(exp),
.Data_B(L_limit),
.less(underflow)
);
//This generate sentence creates the limit values based on the
//precision format
generate
if(W_Exp == 9) begin
assign U_limit = 9'hfe;
assign L_limit = 9'h01;
end
else begin
assign U_limit = 12'b111111111110;
assign L_limit = 12'b000000000001;
end
endgenerate
endmodule
|
module Comparators
//Module Parameter
//W_Exp = 9 ; Single Precision Format
//W_Exp = 11; Double Precision Format
# (parameter W_Exp = 9)
/* # (parameter W_Exp = 12)*/
(
input wire [W_Exp-1:0] exp, //exponent of the fifth phase
output wire overflow, //overflow flag
output wire underflow //underflow flag
);
wire [W_Exp-1:0] U_limit; //Max Normal value of the standar ieee 754
wire [W_Exp-1:0] L_limit; //Min Normal value of the standar ieee 754
//Compares the exponent with the Max Normal Value, if the exponent is
//larger than U_limit then exist overflow
Greater_Comparator #(.W(W_Exp)) GTComparator (
.Data_A(exp),
.Data_B(U_limit),
.gthan(overflow)
);
//Compares the exponent with the Min Normal Value, if the exponent is
//smaller than L_limit then exist underflow
Comparator_Less #(.W(W_Exp)) LTComparator (
.Data_A(exp),
.Data_B(L_limit),
.less(underflow)
);
//This generate sentence creates the limit values based on the
//precision format
generate
if(W_Exp == 9) begin
assign U_limit = 9'hfe;
assign L_limit = 9'h01;
end
else begin
assign U_limit = 12'b111111111110;
assign L_limit = 12'b000000000001;
end
endgenerate
endmodule
|
module mig_7series_v2_3_ddr_phy_prbs_rdlvl #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter nCK_PER_CLK = 2, // # of memory clocks per CLK
parameter DQ_WIDTH = 64, // # of DQ (data)
parameter DQS_CNT_WIDTH = 3, // = ceil(log2(DQS_WIDTH))
parameter DQS_WIDTH = 8, // # of DQS (strobe)
parameter DRAM_WIDTH = 8, // # of DQ per DQS
parameter RANKS = 1, // # of DRAM ranks
parameter SIM_CAL_OPTION = "NONE", // Skip various calibration steps
parameter PRBS_WIDTH = 8, // PRBS generator output width
parameter FIXED_VICTIM = "TRUE", // No victim rotation when "TRUE"
parameter FINE_PER_BIT = "ON",
parameter CENTER_COMP_MODE = "ON",
parameter PI_VAL_ADJ = "ON"
)
(
input clk,
input rst,
// Calibration status, control signals
input prbs_rdlvl_start,
(* max_fanout = 100 *) output reg prbs_rdlvl_done,
output reg prbs_last_byte_done,
output reg prbs_rdlvl_prech_req,
input complex_sample_cnt_inc,
input prech_done,
input phy_if_empty,
// Captured data in fabric clock domain
input [2*nCK_PER_CLK*DQ_WIDTH-1:0] rd_data,
//Expected data from PRBS generator
input [2*nCK_PER_CLK*DQ_WIDTH-1:0] compare_data,
// Decrement initial Phaser_IN Fine tap delay
input [5:0] pi_counter_read_val,
// Stage 1 calibration outputs
output reg pi_en_stg2_f,
output reg pi_stg2_f_incdec,
output [255:0] dbg_prbs_rdlvl,
output [DQS_CNT_WIDTH:0] pi_stg2_prbs_rdlvl_cnt,
output reg [2:0] rd_victim_sel,
output reg complex_victim_inc,
output reg reset_rd_addr,
output reg read_pause,
output reg [6*DQS_WIDTH*RANKS-1:0] prbs_final_dqs_tap_cnt_r,
output reg [6*DQS_WIDTH*RANKS-1:0] dbg_prbs_first_edge_taps,
output reg [6*DQS_WIDTH*RANKS-1:0] dbg_prbs_second_edge_taps,
output reg [DRAM_WIDTH-1:0] fine_delay_incdec_pb, //fine_delay decreament per bit
output reg fine_delay_sel //fine delay selection - actual update of fine delay
);
localparam [5:0] PRBS_IDLE = 6'h00;
localparam [5:0] PRBS_NEW_DQS_WAIT = 6'h01;
localparam [5:0] PRBS_PAT_COMPARE = 6'h02;
localparam [5:0] PRBS_DEC_DQS = 6'h03;
localparam [5:0] PRBS_DEC_DQS_WAIT = 6'h04;
localparam [5:0] PRBS_INC_DQS = 6'h05;
localparam [5:0] PRBS_INC_DQS_WAIT = 6'h06;
localparam [5:0] PRBS_CALC_TAPS = 6'h07;
localparam [5:0] PRBS_NEXT_DQS = 6'h08;
localparam [5:0] PRBS_NEW_DQS_PREWAIT = 6'h09;
localparam [5:0] PRBS_DONE = 6'h0A;
localparam [5:0] PRBS_CALC_TAPS_PRE = 6'h0B;
localparam [5:0] PRBS_CALC_TAPS_WAIT = 6'h0C;
localparam [5:0] FINE_PI_DEC = 6'h0D; //go back to all fail or back to center
localparam [5:0] FINE_PI_DEC_WAIT = 6'h0E; //wait for PI tap dec settle
localparam [5:0] FINE_PI_INC = 6'h0F; //increse up to 1 fail
localparam [5:0] FINE_PI_INC_WAIT = 6'h10; //wait for PI tap int settle
localparam [5:0] FINE_PAT_COMPARE_PER_BIT = 6'h11; //compare per bit error and check left/right/gain/loss
localparam [5:0] FINE_CALC_TAPS = 6'h12; //setup fine_delay_incdec_pb for better window size
localparam [5:0] FINE_CALC_TAPS_WAIT = 6'h13; //wait for ROM value for dec cnt
localparam [11:0] NUM_SAMPLES_CNT = (SIM_CAL_OPTION == "NONE") ? 'd50 : 12'h001;
localparam [11:0] NUM_SAMPLES_CNT1 = (SIM_CAL_OPTION == "NONE") ? 'd20 : 12'h001;
localparam [11:0] NUM_SAMPLES_CNT2 = (SIM_CAL_OPTION == "NONE") ? 'd10 : 12'h001;
wire [DQS_CNT_WIDTH+2:0]prbs_dqs_cnt_timing;
reg [DQS_CNT_WIDTH+2:0] prbs_dqs_cnt_timing_r;
reg [DQS_CNT_WIDTH:0] prbs_dqs_cnt_r;
reg prbs_prech_req_r;
reg [5:0] prbs_state_r;
reg [5:0] prbs_state_r1;
reg wait_state_cnt_en_r;
reg [3:0] wait_state_cnt_r;
reg cnt_wait_state;
reg err_chk_invalid;
// reg found_edge_r;
reg prbs_found_1st_edge_r;
reg prbs_found_2nd_edge_r;
reg [5:0] prbs_1st_edge_taps_r;
// reg found_stable_eye_r;
reg [5:0] prbs_dqs_tap_cnt_r;
reg [5:0] prbs_dec_tap_calc_plus_3;
reg [5:0] prbs_dec_tap_calc_minus_3;
reg prbs_dqs_tap_limit_r;
reg [5:0] prbs_inc_tap_cnt;
reg [5:0] prbs_dec_tap_cnt;
reg [DRAM_WIDTH-1:0] mux_rd_fall0_r1;
reg [DRAM_WIDTH-1:0] mux_rd_fall1_r1;
reg [DRAM_WIDTH-1:0] mux_rd_rise0_r1;
reg [DRAM_WIDTH-1:0] mux_rd_rise1_r1;
reg [DRAM_WIDTH-1:0] mux_rd_fall2_r1;
reg [DRAM_WIDTH-1:0] mux_rd_fall3_r1;
reg [DRAM_WIDTH-1:0] mux_rd_rise2_r1;
reg [DRAM_WIDTH-1:0] mux_rd_rise3_r1;
reg [DRAM_WIDTH-1:0] mux_rd_fall0_r2;
reg [DRAM_WIDTH-1:0] mux_rd_fall1_r2;
reg [DRAM_WIDTH-1:0] mux_rd_rise0_r2;
reg [DRAM_WIDTH-1:0] mux_rd_rise1_r2;
reg [DRAM_WIDTH-1:0] mux_rd_fall2_r2;
reg [DRAM_WIDTH-1:0] mux_rd_fall3_r2;
reg [DRAM_WIDTH-1:0] mux_rd_rise2_r2;
reg [DRAM_WIDTH-1:0] mux_rd_rise3_r2;
reg [DRAM_WIDTH-1:0] mux_rd_fall0_r3;
reg [DRAM_WIDTH-1:0] mux_rd_fall1_r3;
reg [DRAM_WIDTH-1:0] mux_rd_rise0_r3;
reg [DRAM_WIDTH-1:0] mux_rd_rise1_r3;
reg [DRAM_WIDTH-1:0] mux_rd_fall2_r3;
reg [DRAM_WIDTH-1:0] mux_rd_fall3_r3;
reg [DRAM_WIDTH-1:0] mux_rd_rise2_r3;
reg [DRAM_WIDTH-1:0] mux_rd_rise3_r3;
reg [DRAM_WIDTH-1:0] mux_rd_fall0_r4;
reg [DRAM_WIDTH-1:0] mux_rd_fall1_r4;
reg [DRAM_WIDTH-1:0] mux_rd_rise0_r4;
reg [DRAM_WIDTH-1:0] mux_rd_rise1_r4;
reg [DRAM_WIDTH-1:0] mux_rd_fall2_r4;
reg [DRAM_WIDTH-1:0] mux_rd_fall3_r4;
reg [DRAM_WIDTH-1:0] mux_rd_rise2_r4;
reg [DRAM_WIDTH-1:0] mux_rd_rise3_r4;
reg mux_rd_valid_r;
reg rd_valid_r1;
reg rd_valid_r2;
reg rd_valid_r3;
reg new_cnt_dqs_r;
reg prbs_tap_en_r;
reg prbs_tap_inc_r;
reg pi_en_stg2_f_timing;
reg pi_stg2_f_incdec_timing;
wire [DQ_WIDTH-1:0] rd_data_rise0;
wire [DQ_WIDTH-1:0] rd_data_fall0;
wire [DQ_WIDTH-1:0] rd_data_rise1;
wire [DQ_WIDTH-1:0] rd_data_fall1;
wire [DQ_WIDTH-1:0] rd_data_rise2;
wire [DQ_WIDTH-1:0] rd_data_fall2;
wire [DQ_WIDTH-1:0] rd_data_rise3;
wire [DQ_WIDTH-1:0] rd_data_fall3;
wire [DQ_WIDTH-1:0] compare_data_r0;
wire [DQ_WIDTH-1:0] compare_data_f0;
wire [DQ_WIDTH-1:0] compare_data_r1;
wire [DQ_WIDTH-1:0] compare_data_f1;
wire [DQ_WIDTH-1:0] compare_data_r2;
wire [DQ_WIDTH-1:0] compare_data_f2;
wire [DQ_WIDTH-1:0] compare_data_r3;
wire [DQ_WIDTH-1:0] compare_data_f3;
reg [DRAM_WIDTH-1:0] compare_data_rise0_r1;
reg [DRAM_WIDTH-1:0] compare_data_fall0_r1;
reg [DRAM_WIDTH-1:0] compare_data_rise1_r1;
reg [DRAM_WIDTH-1:0] compare_data_fall1_r1;
reg [DRAM_WIDTH-1:0] compare_data_rise2_r1;
reg [DRAM_WIDTH-1:0] compare_data_fall2_r1;
reg [DRAM_WIDTH-1:0] compare_data_rise3_r1;
reg [DRAM_WIDTH-1:0] compare_data_fall3_r1;
reg [DQS_CNT_WIDTH:0] rd_mux_sel_r;
reg [5:0] prbs_2nd_edge_taps_r;
// reg [6*DQS_WIDTH*RANKS-1:0] prbs_final_dqs_tap_cnt_r;
reg [5:0] rdlvl_cpt_tap_cnt;
reg prbs_rdlvl_start_r;
reg compare_err;
reg compare_err_r0;
reg compare_err_f0;
reg compare_err_r1;
reg compare_err_f1;
reg compare_err_r2;
reg compare_err_f2;
reg compare_err_r3;
reg compare_err_f3;
reg samples_cnt1_en_r;
reg samples_cnt2_en_r;
reg [11:0] samples_cnt_r;
reg num_samples_done_r;
reg num_samples_done_ind; //indicate num_samples_done_r is set in FINE_PAT_COMPARE_PER_BIT to prevent victim_sel_rd out of sync
reg [DQS_WIDTH-1:0] prbs_tap_mod;
//reg [6*DQS_WIDTH*RANKS-1:0] dbg_prbs_first_edge_taps;
//reg [6*DQS_WIDTH*RANKS-1:0] dbg_prbs_second_edge_taps;
//**************************************************************************
// signals for per-bit algorithm of fine_delay calculations
//**************************************************************************
reg [6*DRAM_WIDTH-1:0] left_edge_pb; //left edge value per bit
reg [6*DRAM_WIDTH-1:0] right_edge_pb; //right edge value per bit
reg [5*DRAM_WIDTH-1:0] match_flag_pb; //5 consecutive match flag per bit
reg [4:0] match_flag_and; //5 consecute match flag of all bits (1: all bit fail)
reg [DRAM_WIDTH-1:0] left_edge_found_pb; //left_edge found per bit - use for loss calculation
reg [DRAM_WIDTH-1:0] left_edge_updated; //left edge was updated for this PI tap - used for largest left edge /ref bit update
reg [DRAM_WIDTH-1:0] right_edge_found_pb; //right_edge found per bit - use for gail calulation and smallest right edge update
reg right_edge_found; //smallest right_edge found
reg [DRAM_WIDTH*6-1:0] left_loss_pb; //left_edge loss per bit
reg [DRAM_WIDTH*6-1:0] right_gain_pb; //right_edge gain per bit
reg [DRAM_WIDTH-1:0] ref_bit; //bit number which has largest left edge (with smaller right edge)
reg [DRAM_WIDTH-1:0] bit_cnt; //bit number used to calculate ref bit
reg [DRAM_WIDTH-1:0] ref_bit_per_bit; //bit flags which have largest left edge
reg [5:0] ref_right_edge; //ref_bit right edge - keep the smallest edge of ref bits
reg [5:0] largest_left_edge; //biggest left edge of per bit - will be left edge of byte
reg [5:0] smallest_right_edge; //smallest right edge of per bit - will be right edge of byte
reg [5:0] fine_pi_dec_cnt; //Phase In tap decrement count (to go back to '0' or center)
reg [6:0] center_calc; //used for calculate the dec tap for centering
reg [5:0] right_edge_ref; //ref_bit right edge
reg [5:0] left_edge_ref; //ref_bit left edge
reg [DRAM_WIDTH-1:0] compare_err_pb; //compare error per bit
reg [DRAM_WIDTH-1:0] compare_err_pb_latch_r; //sticky compare error per bit used for left/right edge
reg compare_err_pb_and; //indicate all bit fail
reg fine_inc_stage; //fine_inc_stage (1: increment all except ref_bit, 0: only inc for gain bit)
reg [1:0] stage_cnt; //stage cnt (0,1: fine delay inc stage, 2: fine delay dec stage)
wire fine_calib; //turn on/off fine delay calibration
reg [5:0] mem_out_dec;
reg [5:0] dec_cnt;
reg fine_dly_error; //indicate it has wrong left/right edge
wire center_comp;
wire pi_adj;
//**************************************************************************
// DQS count to hard PHY during write calibration using Phaser_OUT Stage2
// coarse delay
//**************************************************************************
assign pi_stg2_prbs_rdlvl_cnt = prbs_dqs_cnt_r;
//fine delay turn on
assign fine_calib = (FINE_PER_BIT=="ON")? 1:0;
assign center_comp = (CENTER_COMP_MODE == "ON")? 1: 0;
assign pi_adj = (PI_VAL_ADJ == "ON")?1:0;
assign dbg_prbs_rdlvl[0+:6] = left_edge_pb[0+:6];
assign dbg_prbs_rdlvl[7:6] = left_loss_pb[0+:2];
assign dbg_prbs_rdlvl[8+:6] = left_edge_pb[6+:6];
assign dbg_prbs_rdlvl[15:14] = left_loss_pb[6+:2];
assign dbg_prbs_rdlvl[16+:6] = left_edge_pb[12+:6] ;
assign dbg_prbs_rdlvl[23:22] = left_loss_pb[12+:2];
assign dbg_prbs_rdlvl[24+:6] = left_edge_pb[18+:6] ;
assign dbg_prbs_rdlvl[31:30] = left_loss_pb[18+:2];
assign dbg_prbs_rdlvl[32+:6] = left_edge_pb[24+:6];
assign dbg_prbs_rdlvl[39:38] = left_loss_pb[24+:2];
assign dbg_prbs_rdlvl[40+:6] = left_edge_pb[30+:6];
assign dbg_prbs_rdlvl[47:46] = left_loss_pb[30+:2];
assign dbg_prbs_rdlvl[48+:6] = left_edge_pb[36+:6];
assign dbg_prbs_rdlvl[55:54] = left_loss_pb[36+:2];
assign dbg_prbs_rdlvl[56+:6] = left_edge_pb[42+:6];
assign dbg_prbs_rdlvl[63:62] = left_loss_pb[42+:2];
assign dbg_prbs_rdlvl[64+:6] = right_edge_pb[0+:6];
assign dbg_prbs_rdlvl[71:70] = right_gain_pb[0+:2];
assign dbg_prbs_rdlvl[72+:6] = right_edge_pb[6+:6] ;
assign dbg_prbs_rdlvl[79:78] = right_gain_pb[6+:2];
assign dbg_prbs_rdlvl[80+:6] = right_edge_pb[12+:6];
assign dbg_prbs_rdlvl[87:86] = right_gain_pb[12+:2];
assign dbg_prbs_rdlvl[88+:6] = right_edge_pb[18+:6];
assign dbg_prbs_rdlvl[95:94] = right_gain_pb[18+:2];
assign dbg_prbs_rdlvl[96+:6] = right_edge_pb[24+:6];
assign dbg_prbs_rdlvl[103:102] = right_gain_pb[24+:2];
assign dbg_prbs_rdlvl[104+:6] = right_edge_pb[30+:6];
assign dbg_prbs_rdlvl[111:110] = right_gain_pb[30+:2];
assign dbg_prbs_rdlvl[112+:6] = right_edge_pb[36+:6];
assign dbg_prbs_rdlvl[119:118] = right_gain_pb[36+:2];
assign dbg_prbs_rdlvl[120+:6] = right_edge_pb[42+:6];
assign dbg_prbs_rdlvl[127:126] = right_gain_pb[42+:2];
assign dbg_prbs_rdlvl[128+:6] = pi_counter_read_val;
assign dbg_prbs_rdlvl[134+:6] = prbs_dqs_tap_cnt_r;
assign dbg_prbs_rdlvl[140] = prbs_found_1st_edge_r;
assign dbg_prbs_rdlvl[141] = prbs_found_2nd_edge_r;
assign dbg_prbs_rdlvl[142] = compare_err;
assign dbg_prbs_rdlvl[143] = phy_if_empty;
assign dbg_prbs_rdlvl[144] = prbs_rdlvl_start;
assign dbg_prbs_rdlvl[145] = prbs_rdlvl_done;
assign dbg_prbs_rdlvl[146+:5] = prbs_dqs_cnt_r;
assign dbg_prbs_rdlvl[151+:6] = left_edge_pb[prbs_dqs_cnt_r*6+:6] ;
assign dbg_prbs_rdlvl[157+:6] = right_edge_pb[prbs_dqs_cnt_r*6+:6];
assign dbg_prbs_rdlvl[163+:6] = {2'h0,complex_victim_inc, rd_victim_sel[2:0]};
assign dbg_prbs_rdlvl[169+:6] =right_gain_pb[prbs_dqs_cnt_r*6+:6] ;
assign dbg_prbs_rdlvl[177:175] = ref_bit[2:0];
assign dbg_prbs_rdlvl[178+:6] = prbs_state_r1[5:0];
assign dbg_prbs_rdlvl[184] = rd_valid_r2;
assign dbg_prbs_rdlvl[185] = compare_err_r0;
assign dbg_prbs_rdlvl[186] = compare_err_f0;
assign dbg_prbs_rdlvl[187] = compare_err_r1;
assign dbg_prbs_rdlvl[188] = compare_err_f1;
assign dbg_prbs_rdlvl[189] = compare_err_r2;
assign dbg_prbs_rdlvl[190] = compare_err_f2;
assign dbg_prbs_rdlvl[191] = compare_err_r3;
assign dbg_prbs_rdlvl[192] = compare_err_f3;
assign dbg_prbs_rdlvl[193+:8] = left_edge_found_pb;
assign dbg_prbs_rdlvl[201+:8] = right_edge_found_pb;
assign dbg_prbs_rdlvl[209+:6] =largest_left_edge ;
assign dbg_prbs_rdlvl[215+:6] =smallest_right_edge ;
assign dbg_prbs_rdlvl[221+:8] = fine_delay_incdec_pb;
assign dbg_prbs_rdlvl[229] = fine_delay_sel;
assign dbg_prbs_rdlvl[230+:8] = compare_err_pb_latch_r;
assign dbg_prbs_rdlvl[238+:6] = fine_pi_dec_cnt;
assign dbg_prbs_rdlvl[244+:5] = match_flag_and ;
assign dbg_prbs_rdlvl[249+:2] =stage_cnt ;
assign dbg_prbs_rdlvl[251] = fine_inc_stage ;
assign dbg_prbs_rdlvl[252] = compare_err_pb_and ;
assign dbg_prbs_rdlvl[253] = right_edge_found ;
assign dbg_prbs_rdlvl[254] = fine_dly_error ;
assign dbg_prbs_rdlvl[255]= 'b0;//reserved
//**************************************************************************
// Record first and second edges found during calibration
//**************************************************************************
generate
always @(posedge clk)
if (rst) begin
dbg_prbs_first_edge_taps <= #TCQ 'b0;
dbg_prbs_second_edge_taps <= #TCQ 'b0;
end else if (prbs_state_r == PRBS_CALC_TAPS) begin
// Record tap counts of first and second edge edges during
// calibration for each DQS group. If neither edge has
// been found, then those taps will remain 0
if (prbs_found_1st_edge_r)
dbg_prbs_first_edge_taps[(prbs_dqs_cnt_timing_r*6)+:6]
<= #TCQ prbs_1st_edge_taps_r;
if (prbs_found_2nd_edge_r)
dbg_prbs_second_edge_taps[(prbs_dqs_cnt_timing_r*6)+:6]
<= #TCQ prbs_2nd_edge_taps_r;
end else if (prbs_state_r == FINE_CALC_TAPS) begin
if(stage_cnt == 'd2) begin
dbg_prbs_first_edge_taps[(prbs_dqs_cnt_timing_r*6)+:6]
<= #TCQ largest_left_edge;
dbg_prbs_second_edge_taps[(prbs_dqs_cnt_timing_r*6)+:6]
<= #TCQ smallest_right_edge;
end
end
endgenerate
//padded calculation
always @ (smallest_right_edge or largest_left_edge)
center_calc <= {1'b0, smallest_right_edge} + {1'b0,largest_left_edge};
//***************************************************************************
//***************************************************************************
// Data mux to route appropriate bit to calibration logic - i.e. calibration
// is done sequentially, one bit (or DQS group) at a time
//***************************************************************************
generate
if (nCK_PER_CLK == 4) begin: rd_data_div4_logic_clk
assign rd_data_rise0 = rd_data[DQ_WIDTH-1:0];
assign rd_data_fall0 = rd_data[2*DQ_WIDTH-1:DQ_WIDTH];
assign rd_data_rise1 = rd_data[3*DQ_WIDTH-1:2*DQ_WIDTH];
assign rd_data_fall1 = rd_data[4*DQ_WIDTH-1:3*DQ_WIDTH];
assign rd_data_rise2 = rd_data[5*DQ_WIDTH-1:4*DQ_WIDTH];
assign rd_data_fall2 = rd_data[6*DQ_WIDTH-1:5*DQ_WIDTH];
assign rd_data_rise3 = rd_data[7*DQ_WIDTH-1:6*DQ_WIDTH];
assign rd_data_fall3 = rd_data[8*DQ_WIDTH-1:7*DQ_WIDTH];
assign compare_data_r0 = compare_data[DQ_WIDTH-1:0];
assign compare_data_f0 = compare_data[2*DQ_WIDTH-1:DQ_WIDTH];
assign compare_data_r1 = compare_data[3*DQ_WIDTH-1:2*DQ_WIDTH];
assign compare_data_f1 = compare_data[4*DQ_WIDTH-1:3*DQ_WIDTH];
assign compare_data_r2 = compare_data[5*DQ_WIDTH-1:4*DQ_WIDTH];
assign compare_data_f2 = compare_data[6*DQ_WIDTH-1:5*DQ_WIDTH];
assign compare_data_r3 = compare_data[7*DQ_WIDTH-1:6*DQ_WIDTH];
assign compare_data_f3 = compare_data[8*DQ_WIDTH-1:7*DQ_WIDTH];
end else begin: rd_data_div2_logic_clk
assign rd_data_rise0 = rd_data[DQ_WIDTH-1:0];
assign rd_data_fall0 = rd_data[2*DQ_WIDTH-1:DQ_WIDTH];
assign rd_data_rise1 = rd_data[3*DQ_WIDTH-1:2*DQ_WIDTH];
assign rd_data_fall1 = rd_data[4*DQ_WIDTH-1:3*DQ_WIDTH];
assign compare_data_r0 = compare_data[DQ_WIDTH-1:0];
assign compare_data_f0 = compare_data[2*DQ_WIDTH-1:DQ_WIDTH];
assign compare_data_r1 = compare_data[3*DQ_WIDTH-1:2*DQ_WIDTH];
assign compare_data_f1 = compare_data[4*DQ_WIDTH-1:3*DQ_WIDTH];
assign compare_data_r2 = 'h0;
assign compare_data_f2 = 'h0;
assign compare_data_r3 = 'h0;
assign compare_data_f3 = 'h0;
end
endgenerate
always @(posedge clk) begin
rd_mux_sel_r <= #TCQ prbs_dqs_cnt_r;
end
// Register outputs for improved timing.
// NOTE: Will need to change when per-bit DQ deskew is supported.
// Currenly all bits in DQS group are checked in aggregate
generate
genvar mux_i;
for (mux_i = 0; mux_i < DRAM_WIDTH; mux_i = mux_i + 1) begin: gen_mux_rd
always @(posedge clk) begin
mux_rd_rise0_r1[mux_i] <= #TCQ rd_data_rise0[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_fall0_r1[mux_i] <= #TCQ rd_data_fall0[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_rise1_r1[mux_i] <= #TCQ rd_data_rise1[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_fall1_r1[mux_i] <= #TCQ rd_data_fall1[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_rise2_r1[mux_i] <= #TCQ rd_data_rise2[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_fall2_r1[mux_i] <= #TCQ rd_data_fall2[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_rise3_r1[mux_i] <= #TCQ rd_data_rise3[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_fall3_r1[mux_i] <= #TCQ rd_data_fall3[DRAM_WIDTH*rd_mux_sel_r + mux_i];
//Compare data
compare_data_rise0_r1[mux_i] <= #TCQ compare_data_r0[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_fall0_r1[mux_i] <= #TCQ compare_data_f0[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_rise1_r1[mux_i] <= #TCQ compare_data_r1[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_fall1_r1[mux_i] <= #TCQ compare_data_f1[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_rise2_r1[mux_i] <= #TCQ compare_data_r2[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_fall2_r1[mux_i] <= #TCQ compare_data_f2[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_rise3_r1[mux_i] <= #TCQ compare_data_r3[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_fall3_r1[mux_i] <= #TCQ compare_data_f3[DRAM_WIDTH*rd_mux_sel_r + mux_i];
end
end
endgenerate
generate
genvar muxr2_i;
if (nCK_PER_CLK == 4) begin: gen_mux_div4
for (muxr2_i = 0; muxr2_i < DRAM_WIDTH; muxr2_i = muxr2_i + 1) begin: gen_rd_4
always @(posedge clk) begin
if (mux_rd_valid_r) begin
mux_rd_rise0_r2[muxr2_i] <= #TCQ mux_rd_rise0_r1[muxr2_i];
mux_rd_fall0_r2[muxr2_i] <= #TCQ mux_rd_fall0_r1[muxr2_i];
mux_rd_rise1_r2[muxr2_i] <= #TCQ mux_rd_rise1_r1[muxr2_i];
mux_rd_fall1_r2[muxr2_i] <= #TCQ mux_rd_fall1_r1[muxr2_i];
mux_rd_rise2_r2[muxr2_i] <= #TCQ mux_rd_rise2_r1[muxr2_i];
mux_rd_fall2_r2[muxr2_i] <= #TCQ mux_rd_fall2_r1[muxr2_i];
mux_rd_rise3_r2[muxr2_i] <= #TCQ mux_rd_rise3_r1[muxr2_i];
mux_rd_fall3_r2[muxr2_i] <= #TCQ mux_rd_fall3_r1[muxr2_i];
end
//pipeline stage
mux_rd_rise0_r3[muxr2_i] <= #TCQ mux_rd_rise0_r2[muxr2_i];
mux_rd_fall0_r3[muxr2_i] <= #TCQ mux_rd_fall0_r2[muxr2_i];
mux_rd_rise1_r3[muxr2_i] <= #TCQ mux_rd_rise1_r2[muxr2_i];
mux_rd_fall1_r3[muxr2_i] <= #TCQ mux_rd_fall1_r2[muxr2_i];
mux_rd_rise2_r3[muxr2_i] <= #TCQ mux_rd_rise2_r2[muxr2_i];
mux_rd_fall2_r3[muxr2_i] <= #TCQ mux_rd_fall2_r2[muxr2_i];
mux_rd_rise3_r3[muxr2_i] <= #TCQ mux_rd_rise3_r2[muxr2_i];
mux_rd_fall3_r3[muxr2_i] <= #TCQ mux_rd_fall3_r2[muxr2_i];
//pipeline stage
mux_rd_rise0_r4[muxr2_i] <= #TCQ mux_rd_rise0_r3[muxr2_i];
mux_rd_fall0_r4[muxr2_i] <= #TCQ mux_rd_fall0_r3[muxr2_i];
mux_rd_rise1_r4[muxr2_i] <= #TCQ mux_rd_rise1_r3[muxr2_i];
mux_rd_fall1_r4[muxr2_i] <= #TCQ mux_rd_fall1_r3[muxr2_i];
mux_rd_rise2_r4[muxr2_i] <= #TCQ mux_rd_rise2_r3[muxr2_i];
mux_rd_fall2_r4[muxr2_i] <= #TCQ mux_rd_fall2_r3[muxr2_i];
mux_rd_rise3_r4[muxr2_i] <= #TCQ mux_rd_rise3_r3[muxr2_i];
mux_rd_fall3_r4[muxr2_i] <= #TCQ mux_rd_fall3_r3[muxr2_i];
end
end
end else if (nCK_PER_CLK == 2) begin: gen_mux_div2
for (muxr2_i = 0; muxr2_i < DRAM_WIDTH; muxr2_i = muxr2_i + 1) begin: gen_rd_2
always @(posedge clk) begin
if (mux_rd_valid_r) begin
mux_rd_rise0_r2[muxr2_i] <= #TCQ mux_rd_rise0_r1[muxr2_i];
mux_rd_fall0_r2[muxr2_i] <= #TCQ mux_rd_fall0_r1[muxr2_i];
mux_rd_rise1_r2[muxr2_i] <= #TCQ mux_rd_rise1_r1[muxr2_i];
mux_rd_fall1_r2[muxr2_i] <= #TCQ mux_rd_fall1_r1[muxr2_i];
mux_rd_rise2_r2[muxr2_i] <= 'h0;
mux_rd_fall2_r2[muxr2_i] <= 'h0;
mux_rd_rise3_r2[muxr2_i] <= 'h0;
mux_rd_fall3_r2[muxr2_i] <= 'h0;
end
mux_rd_rise0_r3[muxr2_i] <= #TCQ mux_rd_rise0_r2[muxr2_i];
mux_rd_fall0_r3[muxr2_i] <= #TCQ mux_rd_fall0_r2[muxr2_i];
mux_rd_rise1_r3[muxr2_i] <= #TCQ mux_rd_rise1_r2[muxr2_i];
mux_rd_fall1_r3[muxr2_i] <= #TCQ mux_rd_fall1_r2[muxr2_i];
mux_rd_rise2_r3[muxr2_i] <= 'h0;
mux_rd_fall2_r3[muxr2_i] <= 'h0;
mux_rd_rise3_r3[muxr2_i] <= 'h0;
mux_rd_fall3_r3[muxr2_i] <= 'h0;
//pipeline stage
mux_rd_rise0_r4[muxr2_i] <= #TCQ mux_rd_rise0_r3[muxr2_i];
mux_rd_fall0_r4[muxr2_i] <= #TCQ mux_rd_fall0_r3[muxr2_i];
mux_rd_rise1_r4[muxr2_i] <= #TCQ mux_rd_rise1_r3[muxr2_i];
mux_rd_fall1_r4[muxr2_i] <= #TCQ mux_rd_fall1_r3[muxr2_i];
mux_rd_rise2_r4[muxr2_i] <= 'h0;
mux_rd_fall2_r4[muxr2_i] <= 'h0;
mux_rd_rise3_r4[muxr2_i] <= 'h0;
mux_rd_fall3_r4[muxr2_i] <= 'h0;
end
end
end
endgenerate
// Registered signal indicates when mux_rd_rise/fall_r is valid
always @(posedge clk) begin
mux_rd_valid_r <= #TCQ ~phy_if_empty && prbs_rdlvl_start;
rd_valid_r1 <= #TCQ mux_rd_valid_r;
rd_valid_r2 <= #TCQ rd_valid_r1;
rd_valid_r3 <= #TCQ rd_valid_r2;
end
// Counter counts # of samples compared
// Reset sample counter when not "sampling"
// Otherwise, count # of samples compared
// Same counter is shared for three samples checked
always @(posedge clk)
if (rst)
samples_cnt_r <= #TCQ 'b0;
else if (samples_cnt_r == NUM_SAMPLES_CNT) begin
samples_cnt_r <= #TCQ 'b0;
end else if (complex_sample_cnt_inc) begin
samples_cnt_r <= #TCQ samples_cnt_r + 1;
/*if (!rd_valid_r1 ||
(prbs_state_r == PRBS_DEC_DQS_WAIT) ||
(prbs_state_r == PRBS_INC_DQS_WAIT) ||
(prbs_state_r == PRBS_DEC_DQS) ||
(prbs_state_r == PRBS_INC_DQS) ||
(samples_cnt_r == NUM_SAMPLES_CNT) ||
(samples_cnt_r == NUM_SAMPLES_CNT1))
samples_cnt_r <= #TCQ 'b0;
else if (rd_valid_r1 &&
(((samples_cnt_r < NUM_SAMPLES_CNT) && ~samples_cnt1_en_r) ||
((samples_cnt_r < NUM_SAMPLES_CNT1) && ~samples_cnt2_en_r) ||
((samples_cnt_r < NUM_SAMPLES_CNT2) && samples_cnt2_en_r)))
samples_cnt_r <= #TCQ samples_cnt_r + 1;*/
end
// Count #2 enable generation
// Assert when correct number of samples compared
always @(posedge clk)
if (rst)
samples_cnt1_en_r <= #TCQ 1'b0;
else begin
if ((prbs_state_r == PRBS_IDLE) ||
(prbs_state_r == PRBS_DEC_DQS) ||
(prbs_state_r == PRBS_INC_DQS) ||
(prbs_state_r == FINE_PI_INC) ||
(prbs_state_r == PRBS_NEW_DQS_PREWAIT))
samples_cnt1_en_r <= #TCQ 1'b0;
else if ((samples_cnt_r == NUM_SAMPLES_CNT) && rd_valid_r1)
samples_cnt1_en_r <= #TCQ 1'b1;
end
// Counter #3 enable generation
// Assert when correct number of samples compared
always @(posedge clk)
if (rst)
samples_cnt2_en_r <= #TCQ 1'b0;
else begin
if ((prbs_state_r == PRBS_IDLE) ||
(prbs_state_r == PRBS_DEC_DQS) ||
(prbs_state_r == PRBS_INC_DQS) ||
(prbs_state_r == FINE_PI_INC) ||
(prbs_state_r == PRBS_NEW_DQS_PREWAIT))
samples_cnt2_en_r <= #TCQ 1'b0;
else if ((samples_cnt_r == NUM_SAMPLES_CNT1) && rd_valid_r1 && samples_cnt1_en_r)
samples_cnt2_en_r <= #TCQ 1'b1;
end
// Victim selection logic
always @(posedge clk)
if (rst)
rd_victim_sel <= #TCQ 'd0;
else if (num_samples_done_r)
rd_victim_sel <= #TCQ 'd0;
else if (samples_cnt_r == NUM_SAMPLES_CNT) begin
if (rd_victim_sel < 'd7)
rd_victim_sel <= #TCQ rd_victim_sel + 1;
end
// Output row count increment pulse to phy_init
always @(posedge clk)
if (rst)
complex_victim_inc <= #TCQ 1'b0;
else if (samples_cnt_r == NUM_SAMPLES_CNT)
complex_victim_inc <= #TCQ 1'b1;
else
complex_victim_inc <= #TCQ 1'b0;
generate
if (FIXED_VICTIM == "TRUE") begin: victim_fixed
always @(posedge clk)
if (rst)
num_samples_done_r <= #TCQ 1'b0;
else if ((prbs_state_r == PRBS_DEC_DQS) ||
(prbs_state_r == PRBS_INC_DQS)||
(prbs_state_r == FINE_PI_INC) ||
(prbs_state_r == FINE_PI_DEC))
num_samples_done_r <= #TCQ 'b0;
else if (samples_cnt_r == NUM_SAMPLES_CNT)
num_samples_done_r <= #TCQ 1'b1;
end else begin: victim_not_fixed
always @(posedge clk)
if (rst)
num_samples_done_r <= #TCQ 1'b0;
else if ((prbs_state_r == PRBS_DEC_DQS) ||
(prbs_state_r == PRBS_INC_DQS)||
(prbs_state_r == FINE_PI_INC) ||
(prbs_state_r == FINE_PI_DEC))
num_samples_done_r <= #TCQ 'b0;
else if ((samples_cnt_r == NUM_SAMPLES_CNT) && (rd_victim_sel == 'd7))
num_samples_done_r <= #TCQ 1'b1;
end
endgenerate
//***************************************************************************
// Compare Read Data for the byte being Leveled with Expected data from PRBS
// generator. Resulting compare_err signal used to determine read data valid
// edge.
//***************************************************************************
generate
if (nCK_PER_CLK == 4) begin: cmp_err_4to1
always @ (posedge clk) begin
if (rst || new_cnt_dqs_r) begin
compare_err <= #TCQ 1'b0;
compare_err_r0 <= #TCQ 1'b0;
compare_err_f0 <= #TCQ 1'b0;
compare_err_r1 <= #TCQ 1'b0;
compare_err_f1 <= #TCQ 1'b0;
compare_err_r2 <= #TCQ 1'b0;
compare_err_f2 <= #TCQ 1'b0;
compare_err_r3 <= #TCQ 1'b0;
compare_err_f3 <= #TCQ 1'b0;
end else if (rd_valid_r2) begin
compare_err_r0 <= #TCQ (mux_rd_rise0_r3 != compare_data_rise0_r1);
compare_err_f0 <= #TCQ (mux_rd_fall0_r3 != compare_data_fall0_r1);
compare_err_r1 <= #TCQ (mux_rd_rise1_r3 != compare_data_rise1_r1);
compare_err_f1 <= #TCQ (mux_rd_fall1_r3 != compare_data_fall1_r1);
compare_err_r2 <= #TCQ (mux_rd_rise2_r3 != compare_data_rise2_r1);
compare_err_f2 <= #TCQ (mux_rd_fall2_r3 != compare_data_fall2_r1);
compare_err_r3 <= #TCQ (mux_rd_rise3_r3 != compare_data_rise3_r1);
compare_err_f3 <= #TCQ (mux_rd_fall3_r3 != compare_data_fall3_r1);
compare_err <= #TCQ (compare_err_r0 | compare_err_f0 |
compare_err_r1 | compare_err_f1 |
compare_err_r2 | compare_err_f2 |
compare_err_r3 | compare_err_f3);
end
end
end else begin: cmp_err_2to1
always @ (posedge clk) begin
if (rst || new_cnt_dqs_r) begin
compare_err <= #TCQ 1'b0;
compare_err_r0 <= #TCQ 1'b0;
compare_err_f0 <= #TCQ 1'b0;
compare_err_r1 <= #TCQ 1'b0;
compare_err_f1 <= #TCQ 1'b0;
end else if (rd_valid_r2) begin
compare_err_r0 <= #TCQ (mux_rd_rise0_r3 != compare_data_rise0_r1);
compare_err_f0 <= #TCQ (mux_rd_fall0_r3 != compare_data_fall0_r1);
compare_err_r1 <= #TCQ (mux_rd_rise1_r3 != compare_data_rise1_r1);
compare_err_f1 <= #TCQ (mux_rd_fall1_r3 != compare_data_fall1_r1);
compare_err <= #TCQ (compare_err_r0 | compare_err_f0 |
compare_err_r1 | compare_err_f1);
end
end
end
endgenerate
//***************************************************************************
// Decrement initial Phaser_IN fine delay value before proceeding with
// read calibration
//***************************************************************************
//***************************************************************************
// Demultiplexor to control Phaser_IN delay values
//***************************************************************************
// Read DQS
always @(posedge clk) begin
if (rst) begin
pi_en_stg2_f_timing <= #TCQ 'b0;
pi_stg2_f_incdec_timing <= #TCQ 'b0;
end else if (prbs_tap_en_r) begin
// Change only specified DQS
pi_en_stg2_f_timing <= #TCQ 1'b1;
pi_stg2_f_incdec_timing <= #TCQ prbs_tap_inc_r;
end else begin
pi_en_stg2_f_timing <= #TCQ 'b0;
pi_stg2_f_incdec_timing <= #TCQ 'b0;
end
end
// registered for timing
always @(posedge clk) begin
pi_en_stg2_f <= #TCQ pi_en_stg2_f_timing;
pi_stg2_f_incdec <= #TCQ pi_stg2_f_incdec_timing;
end
//***************************************************************************
// generate request to PHY_INIT logic to issue precharged. Required when
// calibration can take a long time (during which there are only constant
// reads present on this bus). In this case need to issue perioidic
// precharges to avoid tRAS violation. This signal must meet the following
// requirements: (1) only transition from 0->1 when prech is first needed,
// (2) stay at 1 and only transition 1->0 when RDLVL_PRECH_DONE asserted
//***************************************************************************
always @(posedge clk)
if (rst)
prbs_rdlvl_prech_req <= #TCQ 1'b0;
else
prbs_rdlvl_prech_req <= #TCQ prbs_prech_req_r;
//*****************************************************************
// keep track of edge tap counts found, and current capture clock
// tap count
//*****************************************************************
always @(posedge clk)
if (rst) begin
prbs_dqs_tap_cnt_r <= #TCQ 'b0;
rdlvl_cpt_tap_cnt <= #TCQ 'b0;
end else if (new_cnt_dqs_r) begin
prbs_dqs_tap_cnt_r <= #TCQ pi_counter_read_val;
rdlvl_cpt_tap_cnt <= #TCQ pi_counter_read_val;
end else if (prbs_tap_en_r) begin
if (prbs_tap_inc_r)
prbs_dqs_tap_cnt_r <= #TCQ prbs_dqs_tap_cnt_r + 1;
else if (prbs_dqs_tap_cnt_r != 'd0)
prbs_dqs_tap_cnt_r <= #TCQ prbs_dqs_tap_cnt_r - 1;
end
always @(posedge clk)
if (rst) begin
prbs_dec_tap_calc_plus_3 <= #TCQ 'b0;
prbs_dec_tap_calc_minus_3 <= #TCQ 'b0;
end else if (new_cnt_dqs_r) begin
prbs_dec_tap_calc_plus_3 <= #TCQ 'b000011;
prbs_dec_tap_calc_minus_3 <= #TCQ 'b111100;
end else begin
prbs_dec_tap_calc_plus_3 <= #TCQ (prbs_dqs_tap_cnt_r - rdlvl_cpt_tap_cnt + 3);
prbs_dec_tap_calc_minus_3 <= #TCQ (prbs_dqs_tap_cnt_r - rdlvl_cpt_tap_cnt - 3);
end
always @(posedge clk)
if (rst || new_cnt_dqs_r)
prbs_dqs_tap_limit_r <= #TCQ 1'b0;
else if (prbs_dqs_tap_cnt_r == 6'd63)
prbs_dqs_tap_limit_r <= #TCQ 1'b1;
else
prbs_dqs_tap_limit_r <= #TCQ 1'b0;
// Temp wire for timing.
// The following in the always block below causes timing issues
// due to DSP block inference
// 6*prbs_dqs_cnt_r.
// replacing this with two left shifts + one left shift to avoid
// DSP multiplier.
assign prbs_dqs_cnt_timing = {2'd0, prbs_dqs_cnt_r};
always @(posedge clk)
prbs_dqs_cnt_timing_r <= #TCQ prbs_dqs_cnt_timing;
// Storing DQS tap values at the end of each DQS read leveling
always @(posedge clk) begin
if (rst) begin
prbs_final_dqs_tap_cnt_r <= #TCQ 'b0;
end else if ((prbs_state_r == PRBS_NEXT_DQS) && (prbs_state_r1 != PRBS_NEXT_DQS)) begin
prbs_final_dqs_tap_cnt_r[(prbs_dqs_cnt_timing_r*6)+:6]
<= #TCQ prbs_dqs_tap_cnt_r;
end
end
//*****************************************************************
always @(posedge clk) begin
prbs_state_r1 <= #TCQ prbs_state_r;
prbs_rdlvl_start_r <= #TCQ prbs_rdlvl_start;
end
// Wait counter for wait states
always @(posedge clk)
if ((prbs_state_r == PRBS_NEW_DQS_WAIT) ||
(prbs_state_r == PRBS_INC_DQS_WAIT) ||
(prbs_state_r == PRBS_DEC_DQS_WAIT) ||
(prbs_state_r == FINE_PI_DEC_WAIT) ||
(prbs_state_r == FINE_PI_INC_WAIT) ||
(prbs_state_r == PRBS_NEW_DQS_PREWAIT))
wait_state_cnt_en_r <= #TCQ 1'b1;
else
wait_state_cnt_en_r <= #TCQ 1'b0;
always @(posedge clk)
if (!wait_state_cnt_en_r) begin
wait_state_cnt_r <= #TCQ 'b0;
cnt_wait_state <= #TCQ 1'b0;
end else begin
if (wait_state_cnt_r < 'd15) begin
wait_state_cnt_r <= #TCQ wait_state_cnt_r + 1;
cnt_wait_state <= #TCQ 1'b0;
end else begin
// Need to reset to 0 to handle the case when there are two
// different WAIT states back-to-back
wait_state_cnt_r <= #TCQ 'b0;
cnt_wait_state <= #TCQ 1'b1;
end
end
always @ (posedge clk)
err_chk_invalid <= #TCQ (wait_state_cnt_r < 'd14);
//*****************************************************************
// compare error checking per-bit
//****************************************************************
generate
genvar pb_i;
if (nCK_PER_CLK == 4) begin: cmp_err_pb_4to1
for(pb_i=0 ; pb_i<DRAM_WIDTH; pb_i=pb_i+1) begin
always @ (posedge clk) begin
//prevent error check during PI inc/dec and wait
if (rst || new_cnt_dqs_r || (prbs_state_r == FINE_PI_INC) || (prbs_state_r == FINE_PI_DEC) ||
(err_chk_invalid && ((prbs_state_r == FINE_PI_DEC_WAIT)||(prbs_state_r == FINE_PI_INC_WAIT))))
compare_err_pb[pb_i] <= #TCQ 1'b0;
else if (rd_valid_r2)
compare_err_pb[pb_i] <= #TCQ (mux_rd_rise0_r3[pb_i] != compare_data_rise0_r1[pb_i]) |
(mux_rd_fall0_r3[pb_i] != compare_data_fall0_r1[pb_i]) |
(mux_rd_rise1_r3[pb_i] != compare_data_rise1_r1[pb_i]) |
(mux_rd_fall1_r3[pb_i] != compare_data_fall1_r1[pb_i]) |
(mux_rd_rise2_r3[pb_i] != compare_data_rise2_r1[pb_i]) |
(mux_rd_fall2_r3[pb_i] != compare_data_fall2_r1[pb_i]) |
(mux_rd_rise3_r3[pb_i] != compare_data_rise3_r1[pb_i]) |
(mux_rd_fall3_r3[pb_i] != compare_data_fall3_r1[pb_i]) ;
end //always
end //for
end else begin: cmp_err_pb_2to1
for(pb_i=0 ; pb_i<DRAM_WIDTH; pb_i=pb_i+1) begin
always @ (posedge clk) begin
if (rst || new_cnt_dqs_r || (prbs_state_r == FINE_PI_INC) || (prbs_state_r == FINE_PI_DEC) ||
(err_chk_invalid && ((prbs_state_r == FINE_PI_DEC_WAIT)||(prbs_state_r == FINE_PI_INC_WAIT))))
compare_err_pb[pb_i] <= #TCQ 1'b0;
else if (rd_valid_r2)
compare_err_pb[pb_i] <= #TCQ (mux_rd_rise0_r3[pb_i] != compare_data_rise0_r1[pb_i]) |
(mux_rd_fall0_r3[pb_i] != compare_data_fall0_r1[pb_i]) |
(mux_rd_rise1_r3[pb_i] != compare_data_rise1_r1[pb_i]) |
(mux_rd_fall1_r3[pb_i] != compare_data_fall1_r1[pb_i]) ;
end //always
end //for
end //if
endgenerate
//checking all bit has error
always @ (posedge clk) begin
if(rst || new_cnt_dqs_r) begin
compare_err_pb_and <= #TCQ 1'b0;
end else begin
compare_err_pb_and <= #TCQ &compare_err_pb;
end
end
//generate stick error bit - left/right edge
generate
genvar pb_r;
for(pb_r=0; pb_r<DRAM_WIDTH; pb_r=pb_r+1) begin
always @ (posedge clk) begin
if((prbs_state_r == FINE_PI_INC) | (prbs_state_r == FINE_PI_DEC) |
(~cnt_wait_state && ((prbs_state_r == FINE_PI_INC_WAIT)|(prbs_state_r == FINE_PI_DEC_WAIT))))
compare_err_pb_latch_r[pb_r] <= #TCQ 1'b0;
else
compare_err_pb_latch_r[pb_r] <= #TCQ compare_err_pb[pb_r]? 1'b1:compare_err_pb_latch_r[pb_r];
end
end
endgenerate
//in stage 0, if left edge found, update ref_bit (one hot)
always @ (posedge clk) begin
if (rst | (prbs_state_r == PRBS_NEW_DQS_WAIT)) begin
ref_bit_per_bit <= #TCQ 'd0;
end else if ((prbs_state_r == FINE_PI_INC) && (stage_cnt=='b0)) begin
if(|left_edge_updated) ref_bit_per_bit <= #TCQ left_edge_updated;
end
end
//ref bit with samllest right edge
//if bit 1 and 3 are set to ref_bit_per_bit but bit 1 has smaller right edge, bit is selected as ref_bit
always @ (posedge clk) begin
if(rst | (prbs_state_r == PRBS_NEW_DQS_WAIT)) begin
bit_cnt <= #TCQ 'd0;
ref_right_edge <= #TCQ 6'h3f;
ref_bit <= #TCQ 'd0;
end else if ((prbs_state_r == FINE_CALC_TAPS_WAIT) && (stage_cnt == 'b0) && (bit_cnt < DRAM_WIDTH)) begin
bit_cnt <= #TCQ bit_cnt +'b1;
if ((ref_bit_per_bit[bit_cnt]==1'b1) && (right_edge_pb[bit_cnt*6+:6]<= ref_right_edge)) begin
ref_bit <= #TCQ bit_cnt;
ref_right_edge <= #TCQ right_edge_pb[bit_cnt*6+:6];
end
end
end
//pipe lining for reference bit left/right edge
always @ (posedge clk) begin
left_edge_ref <= #TCQ left_edge_pb[ref_bit*6+:6];
right_edge_ref <= #TCQ right_edge_pb[ref_bit*6+:6];
end
//left_edge/right_edge/left_loss/right_gain update
generate
genvar eg;
for(eg=0; eg<DRAM_WIDTH; eg = eg+1) begin
always @ (posedge clk) begin
if(rst | (prbs_state_r == PRBS_NEW_DQS_WAIT)) begin
match_flag_pb[eg*5+:5] <= #TCQ 5'h1f;
left_edge_pb[eg*6+:6] <= #TCQ 'b0;
right_edge_pb[eg*6+:6] <= #TCQ 6'h3f;
left_edge_found_pb[eg] <= #TCQ 1'b0;
right_edge_found_pb[eg] <= #TCQ 1'b0;
left_loss_pb[eg*6+:6] <= #TCQ 'b0;
right_gain_pb[eg*6+:6] <= #TCQ 'b0;
left_edge_updated[eg] <= #TCQ 'b0;
end else begin
if((prbs_state_r == FINE_PAT_COMPARE_PER_BIT) && (num_samples_done_r || compare_err_pb_and)) begin
//left edge is updated when match flag becomes 100000 (1 fail , 5 success)
if(match_flag_pb[eg*5+:5]==5'b10000 && compare_err_pb_latch_r[eg]==0) begin
left_edge_pb[eg*6+:6] <= #TCQ prbs_dqs_tap_cnt_r-4;
left_edge_found_pb[eg] <= #TCQ 1'b1; //used for update largest_left_edge
left_edge_updated[eg] <= #TCQ 1'b1;
//check the loss of bit - update only for left edge found
if(~left_edge_found_pb[eg])
left_loss_pb[eg*6+:6] <= #TCQ (left_edge_ref > prbs_dqs_tap_cnt_r - 4)? 'd0
: prbs_dqs_tap_cnt_r-4-left_edge_ref;
//right edge is updated when match flag becomes 000001 (5 success, 1 fail)
end else if (match_flag_pb[eg*5+:5]==5'b00000 && compare_err_pb_latch_r[eg]) begin
right_edge_pb[eg*6+:6] <= #TCQ prbs_dqs_tap_cnt_r-1;
right_edge_found_pb[eg] <= #TCQ 1'b1;
//check the gain of bit - update only for right edge found
if(~right_edge_found_pb[eg])
right_gain_pb[eg*6+:6] <= #TCQ (right_edge_ref > prbs_dqs_tap_cnt_r-1)?
((right_edge_pb[eg*6 +:6] > prbs_dqs_tap_cnt_r-1)? 0: prbs_dqs_tap_cnt_r-1- right_edge_pb[eg*6+:6]):
((right_edge_pb[eg*6+:6] > right_edge_ref)? 0 : right_edge_ref - right_edge_pb[eg*6+:6]);
//no right edge found
end else if (prbs_dqs_tap_cnt_r == 6'h3f && ~right_edge_found_pb[eg]) begin
right_edge_pb[eg*6+:6] <= #TCQ 6'h3f;
right_edge_found_pb[eg] <= #TCQ 1'b1;
//right edge at 63. gain = max(0, ref_bit_right_tap - prev_right_edge)
right_gain_pb[eg*6+:6] <= #TCQ (right_edge_ref > right_edge_pb[eg*6+:6])?
(right_edge_ref - right_edge_pb[eg*6+:6]) : 0;
end
//update match flag - shift and update
match_flag_pb[eg*5+:5] <= #TCQ {match_flag_pb[(eg*5)+:4],compare_err_pb_latch_r[eg]};
end else if (prbs_state_r == FINE_PI_DEC) begin
left_edge_found_pb[eg] <= #TCQ 1'b0;
right_edge_found_pb[eg] <= #TCQ 1'b0;
left_loss_pb[eg*6+:6] <= #TCQ 'b0;
right_gain_pb[eg*6+:6] <= #TCQ 'b0;
match_flag_pb[eg*5+:5] <= #TCQ 5'h1f; //new fix
end else if (prbs_state_r == FINE_PI_INC) begin
left_edge_updated[eg] <= #TCQ 'b0; //used only for update largest ref_bit and largest_left_edge
end
end
end //always
end //for
endgenerate
//update fine_delay according to loss/gain value per bit
generate
genvar f_pb;
for(f_pb=0; f_pb<DRAM_WIDTH; f_pb=f_pb+1) begin
always @ (posedge clk) begin
if(rst | prbs_state_r == PRBS_NEW_DQS_WAIT ) begin
fine_delay_incdec_pb[f_pb] <= #TCQ 1'b0;
end else if((prbs_state_r == FINE_CALC_TAPS_WAIT) && (bit_cnt == DRAM_WIDTH)) begin
if(stage_cnt == 'd0) fine_delay_incdec_pb[f_pb] <= #TCQ (f_pb==ref_bit)? 1'b0:1'b1; //only for initial stage
else if(stage_cnt == 'd1) fine_delay_incdec_pb[f_pb] <= #TCQ (right_gain_pb[f_pb*6+:6]>left_loss_pb[f_pb*6+:6])?1'b1:1'b0;
end
end
end
endgenerate
//fine inc stage (stage cnt 0,1,2), fine dec stage (stage cnt 3)
always @ (posedge clk) begin
if (rst)
fine_inc_stage <= #TCQ 'b1;
else
fine_inc_stage <= #TCQ (stage_cnt!='d3);
end
//*****************************************************************
always @(posedge clk)
if (rst) begin
prbs_dqs_cnt_r <= #TCQ 'b0;
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
prbs_prech_req_r <= #TCQ 1'b0;
prbs_state_r <= #TCQ PRBS_IDLE;
prbs_found_1st_edge_r <= #TCQ 1'b0;
prbs_found_2nd_edge_r <= #TCQ 1'b0;
prbs_1st_edge_taps_r <= #TCQ 6'bxxxxxx;
prbs_inc_tap_cnt <= #TCQ 'b0;
prbs_dec_tap_cnt <= #TCQ 'b0;
new_cnt_dqs_r <= #TCQ 1'b0;
if (SIM_CAL_OPTION == "FAST_CAL")
prbs_rdlvl_done <= #TCQ 1'b1;
else
prbs_rdlvl_done <= #TCQ 1'b0;
prbs_2nd_edge_taps_r <= #TCQ 6'bxxxxxx;
prbs_last_byte_done <= #TCQ 1'b0;
prbs_tap_mod <= #TCQ 'd0;
reset_rd_addr <= #TCQ 'b0;
read_pause <= #TCQ 'b0;
fine_pi_dec_cnt <= #TCQ 'b0;
match_flag_and <= #TCQ 5'h1f;
stage_cnt <= #TCQ 2'b00;
right_edge_found <= #TCQ 1'b0;
largest_left_edge <= #TCQ 6'b000000;
smallest_right_edge <= #TCQ 6'b111111;
num_samples_done_ind <= #TCQ 'b0;
fine_delay_sel <= #TCQ 'b0;
fine_dly_error <= #TCQ 'b0;
end else begin
case (prbs_state_r)
PRBS_IDLE: begin
prbs_last_byte_done <= #TCQ 1'b0;
prbs_prech_req_r <= #TCQ 1'b0;
if (prbs_rdlvl_start && ~prbs_rdlvl_start_r) begin
if (SIM_CAL_OPTION == "SKIP_CAL" || SIM_CAL_OPTION == "FAST_CAL") begin
prbs_state_r <= #TCQ PRBS_DONE;
reset_rd_addr <= #TCQ 1'b1;
end else begin
new_cnt_dqs_r <= #TCQ 1'b1;
prbs_state_r <= #TCQ PRBS_NEW_DQS_WAIT;
fine_pi_dec_cnt <= #TCQ pi_counter_read_val;//.
end
end
end
// Wait for the new DQS group to change
// also gives time for the read data IN_FIFO to
// output the updated data for the new DQS group
PRBS_NEW_DQS_WAIT: begin
reset_rd_addr <= #TCQ 'b0;
prbs_last_byte_done <= #TCQ 1'b0;
prbs_prech_req_r <= #TCQ 1'b0;
//fine_inc_stage <= #TCQ 1'b1;
stage_cnt <= #TCQ 2'b0;
match_flag_and <= #TCQ 5'h1f;
if (cnt_wait_state) begin
new_cnt_dqs_r <= #TCQ 1'b0;
prbs_state_r <= #TCQ fine_calib? FINE_PI_DEC:PRBS_PAT_COMPARE;
end
end
// Check for presence of data eye edge. During this state, we
// sample the read data multiple times, and look for changes
// in the read data, specifically:
// 1. A change in the read data compared with the value of
// read data from the previous delay tap. This indicates
// that the most recent tap delay increment has moved us
// into either a new window, or moved/kept us in the
// transition/jitter region between windows. Note that this
// condition only needs to be checked for once, and for
// logistical purposes, we check this soon after entering
// this state (see comment in PRBS_PAT_COMPARE below for
// why this is done)
// 2. A change in the read data while we are in this state
// (i.e. in the absence of a tap delay increment). This
// indicates that we're close enough to a window edge that
// jitter will cause the read data to change even in the
// absence of a tap delay change
PRBS_PAT_COMPARE: begin
// Continue to sample read data and look for edges until the
// appropriate time interval (shorter for simulation-only,
// much, much longer for actual h/w) has elapsed
if (num_samples_done_r || compare_err) begin
if (prbs_dqs_tap_limit_r)
// Only one edge detected and ran out of taps since only one
// bit time worth of taps available for window detection. This
// can happen if at tap 0 DQS is in previous window which results
// in only left edge being detected. Or at tap 0 DQS is in the
// current window resulting in only right edge being detected.
// Depending on the frequency this case can also happen if at
// tap 0 DQS is in the left noise region resulting in only left
// edge being detected.
prbs_state_r <= #TCQ PRBS_CALC_TAPS_PRE;
else if (compare_err || (prbs_dqs_tap_cnt_r == 'd0)) begin
// Sticky bit - asserted after we encounter an edge, although
// the current edge may not be considered the "first edge" this
// just means we found at least one edge
prbs_found_1st_edge_r <= #TCQ 1'b1;
// Both edges of data valid window found:
// If we've found a second edge after a region of stability
// then we must have just passed the second ("right" edge of
// the window. Record this second_edge_taps = current tap-1,
// because we're one past the actual second edge tap, where
// the edge taps represent the extremes of the data valid
// window (i.e. smallest & largest taps where data still valid
if (prbs_found_1st_edge_r) begin
prbs_found_2nd_edge_r <= #TCQ 1'b1;
prbs_2nd_edge_taps_r <= #TCQ prbs_dqs_tap_cnt_r - 1;
prbs_state_r <= #TCQ PRBS_CALC_TAPS_PRE;
end else begin
// Otherwise, an edge was found (just not the "second" edge)
// Assuming DQS is in the correct window at tap 0 of Phaser IN
// fine tap. The first edge found is the right edge of the valid
// window and is the beginning of the jitter region hence done!
if (compare_err)
prbs_1st_edge_taps_r <= #TCQ prbs_dqs_tap_cnt_r + 1;
else
prbs_1st_edge_taps_r <= #TCQ 'd0;
prbs_inc_tap_cnt <= #TCQ rdlvl_cpt_tap_cnt - prbs_dqs_tap_cnt_r;
prbs_state_r <= #TCQ PRBS_INC_DQS;
end
end else begin
// Otherwise, if we haven't found an edge....
// If we still have taps left to use, then keep incrementing
if (prbs_found_1st_edge_r)
prbs_state_r <= #TCQ PRBS_INC_DQS;
else
prbs_state_r <= #TCQ PRBS_DEC_DQS;
end
end
end
// Increment Phaser_IN delay for DQS
PRBS_INC_DQS: begin
prbs_state_r <= #TCQ PRBS_INC_DQS_WAIT;
if (prbs_inc_tap_cnt > 'd0)
prbs_inc_tap_cnt <= #TCQ prbs_inc_tap_cnt - 1;
if (~prbs_dqs_tap_limit_r) begin
prbs_tap_en_r <= #TCQ 1'b1;
prbs_tap_inc_r <= #TCQ 1'b1;
end
end
// Wait for Phaser_In to settle, before checking again for an edge
PRBS_INC_DQS_WAIT: begin
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
if (cnt_wait_state) begin
if (prbs_inc_tap_cnt > 'd0)
prbs_state_r <= #TCQ PRBS_INC_DQS;
else
prbs_state_r <= #TCQ PRBS_PAT_COMPARE;
end
end
// Calculate final value of Phaser_IN taps. At this point, one or both
// edges of data eye have been found, and/or all taps have been
// exhausted looking for the edges
// NOTE: The amount to be decrement by is calculated, not the
// absolute setting for DQS.
// CENTER compensation with shift by 1
PRBS_CALC_TAPS: begin
if (center_comp) begin
prbs_dec_tap_cnt <= #TCQ (dec_cnt[5] & dec_cnt[0])? 'd32: dec_cnt + pi_adj;
fine_dly_error <= #TCQ (dec_cnt[5] & dec_cnt[0])? 1'b1: fine_dly_error; //sticky bit
read_pause <= #TCQ 'b1;
prbs_state_r <= #TCQ PRBS_DEC_DQS;
end else begin //No center compensation
if (prbs_found_2nd_edge_r && prbs_found_1st_edge_r)
// Both edges detected
prbs_dec_tap_cnt
<= #TCQ ((prbs_2nd_edge_taps_r -
prbs_1st_edge_taps_r)>>1) + 1 + pi_adj;
else if (~prbs_found_2nd_edge_r && prbs_found_1st_edge_r)
// Only left edge detected
prbs_dec_tap_cnt
<= #TCQ ((prbs_dqs_tap_cnt_r - prbs_1st_edge_taps_r)>>1) + pi_adj;
else
// No edges detected
prbs_dec_tap_cnt
<= #TCQ (prbs_dqs_tap_cnt_r>>1) + pi_adj;
// Now use the value we just calculated to decrement CPT taps
// to the desired calibration point
read_pause <= #TCQ 'b1;
prbs_state_r <= #TCQ PRBS_DEC_DQS;
end
end
// decrement capture clock for final adjustment - center
// capture clock in middle of data eye. This adjustment will occur
// only when both the edges are found usign CPT taps. Must do this
// incrementally to avoid clock glitching (since CPT drives clock
// divider within each ISERDES)
PRBS_DEC_DQS: begin
prbs_tap_en_r <= #TCQ 1'b1;
prbs_tap_inc_r <= #TCQ 1'b0;
// once adjustment is complete, we're done with calibration for
// this DQS, repeat for next DQS
if (prbs_dec_tap_cnt > 'd0)
prbs_dec_tap_cnt <= #TCQ prbs_dec_tap_cnt - 1;
if (prbs_dec_tap_cnt == 6'b000001)
prbs_state_r <= #TCQ PRBS_NEXT_DQS;
else
prbs_state_r <= #TCQ PRBS_DEC_DQS_WAIT;
end
PRBS_DEC_DQS_WAIT: begin
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
if (cnt_wait_state) begin
if (prbs_dec_tap_cnt > 'd0)
prbs_state_r <= #TCQ PRBS_DEC_DQS;
else
prbs_state_r <= #TCQ PRBS_PAT_COMPARE;
end
end
// Determine whether we're done, or have more DQS's to calibrate
// Also request precharge after every byte, as appropriate
PRBS_NEXT_DQS: begin
read_pause <= #TCQ 'b0;
reset_rd_addr <= #TCQ 'b1;
prbs_prech_req_r <= #TCQ 1'b1;
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
// Prepare for another iteration with next DQS group
prbs_found_1st_edge_r <= #TCQ 1'b0;
prbs_found_2nd_edge_r <= #TCQ 1'b0;
prbs_1st_edge_taps_r <= #TCQ 'd0;
prbs_2nd_edge_taps_r <= #TCQ 'd0;
largest_left_edge <= #TCQ 6'b000000;
smallest_right_edge <= #TCQ 6'b111111;
if (prbs_dqs_cnt_r >= DQS_WIDTH-1) begin
prbs_last_byte_done <= #TCQ 1'b1;
end
// Wait until precharge that occurs in between calibration of
// DQS groups is finished
if (prech_done) begin
prbs_prech_req_r <= #TCQ 1'b0;
if (prbs_dqs_cnt_r >= DQS_WIDTH-1) begin
// All DQS groups done
prbs_state_r <= #TCQ PRBS_DONE;
end else begin
// Process next DQS group
new_cnt_dqs_r <= #TCQ 1'b1;
//fine_pi_dec_cnt <= #TCQ pi_counter_read_val;//.
prbs_dqs_cnt_r <= #TCQ prbs_dqs_cnt_r + 1;
prbs_state_r <= #TCQ PRBS_NEW_DQS_PREWAIT;
end
end
end
PRBS_NEW_DQS_PREWAIT: begin
if (cnt_wait_state) begin
prbs_state_r <= #TCQ PRBS_NEW_DQS_WAIT;
fine_pi_dec_cnt <= #TCQ pi_counter_read_val;//.
end
end
PRBS_CALC_TAPS_PRE:
begin
if(num_samples_done_r) begin
prbs_state_r <= #TCQ fine_calib? PRBS_NEXT_DQS:PRBS_CALC_TAPS_WAIT;
if(center_comp && ~fine_calib) begin
if(prbs_found_1st_edge_r) largest_left_edge <= #TCQ prbs_1st_edge_taps_r;
else largest_left_edge <= #TCQ 6'd0;
if(prbs_found_2nd_edge_r) smallest_right_edge <= #TCQ prbs_2nd_edge_taps_r;
else smallest_right_edge <= #TCQ 6'd63;
end
end
end
//wait for center compensation
PRBS_CALC_TAPS_WAIT:
begin
prbs_state_r <= #TCQ PRBS_CALC_TAPS;
end
//if it is fine_inc stage (first/second stage): dec to 0
//if it is fine_dec stage (third stage): dec to center
FINE_PI_DEC: begin
fine_delay_sel <= #TCQ 'b0;
if(fine_pi_dec_cnt > 0) begin
prbs_tap_en_r <= #TCQ 1'b1;
prbs_tap_inc_r <= #TCQ 1'b0;
fine_pi_dec_cnt <= #TCQ fine_pi_dec_cnt - 'd1;
end
prbs_state_r <= #TCQ FINE_PI_DEC_WAIT;
end
//wait for phaser_in tap decrement.
//if first/second stage is done, goes to FINE_PI_INC
//if last stage is done, goes to NEXT_DQS
FINE_PI_DEC_WAIT: begin
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
if(cnt_wait_state) begin
if(fine_pi_dec_cnt >0)
prbs_state_r <= #TCQ FINE_PI_DEC;
else
if(fine_inc_stage)
// prbs_state_r <= #TCQ FINE_PI_INC; //for temp change
prbs_state_r <= #TCQ FINE_PAT_COMPARE_PER_BIT; //start from pi tap "0"
else
prbs_state_r <= #TCQ PRBS_CALC_TAPS_PRE; //finish the process and go to the next DQS
end
end
FINE_PI_INC: begin
if(|left_edge_updated) largest_left_edge <= #TCQ prbs_dqs_tap_cnt_r-4;
if(|right_edge_found_pb && ~right_edge_found) begin
smallest_right_edge <= #TCQ prbs_dqs_tap_cnt_r -1 ;
right_edge_found <= #TCQ 'b1;
end
//left_edge_found_pb <= #TCQ {DRAM_WIDTH{1'b0}};
prbs_state_r <= #TCQ FINE_PI_INC_WAIT;
if(~prbs_dqs_tap_limit_r) begin
prbs_tap_en_r <= #TCQ 1'b1;
prbs_tap_inc_r <= #TCQ 1'b1;
end
end
//wait for phase_in tap increment
//need to do pattern compare for every bit
FINE_PI_INC_WAIT: begin
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
if (cnt_wait_state) begin
prbs_state_r <= #TCQ FINE_PAT_COMPARE_PER_BIT;
end
end
//compare per bit data and update flags,left/right edge
FINE_PAT_COMPARE_PER_BIT: begin
if(num_samples_done_r || compare_err_pb_and) begin
//update and_flag - shift and add
match_flag_and <= #TCQ {match_flag_and[3:0],compare_err_pb_and};
//if it is consecutive 5 passing taps followed by fail or tap limit (finish the search)
//don't go to fine_FINE_CALC_TAPS to prevent to skip whole stage
//Or if all right edge are found
if((match_flag_and == 5'b00000 && compare_err_pb_and && (prbs_dqs_tap_cnt_r > 5)) || prbs_dqs_tap_limit_r || (&right_edge_found_pb)) begin
prbs_state_r <= #TCQ FINE_CALC_TAPS;
//if all right edge are alined (all right edge found at the same time), update smallest right edge in here
//doesnt need to set right_edge_found to 1 since it is not used after this stage
if(!right_edge_found) smallest_right_edge <= #TCQ prbs_dqs_tap_cnt_r-1;
end else begin
prbs_state_r <= #TCQ FINE_PI_INC; //keep increase until all fail
end
num_samples_done_ind <= num_samples_done_r;
end
end
//for fine_inc stage, inc all fine delay
//for fine_dec stage, apply dec fine delay for specific bits (by calculating the loss/gain)
// put phaser_in taps to the center
FINE_CALC_TAPS: begin
if(num_samples_done_ind || num_samples_done_r) begin
num_samples_done_ind <= #TCQ 'b0; //indicate num_samples_done_r is set
right_edge_found <= #TCQ 1'b0; //reset right edge found
match_flag_and <= #TCQ 5'h1f; //reset match flag for all bits
prbs_state_r <= #TCQ FINE_CALC_TAPS_WAIT;
end
end
FINE_CALC_TAPS_WAIT: begin //wait for ROM read out
if(stage_cnt == 'd2) begin //last stage : back to center
if(center_comp) begin
fine_pi_dec_cnt <= #TCQ (dec_cnt[5]&dec_cnt[0])? 'd32: prbs_dqs_tap_cnt_r - smallest_right_edge + dec_cnt - 1 + pi_adj ; //going to the center value & shift by 1
fine_dly_error <= #TCQ (dec_cnt[5]&dec_cnt[0]) ? 1'b1: fine_dly_error;
end else begin
fine_pi_dec_cnt <= #TCQ prbs_dqs_tap_cnt_r - center_calc[6:1] - center_calc[0] + pi_adj; //going to the center value & shift left by 1
fine_dly_error <= #TCQ 1'b0;
end
end else begin
fine_pi_dec_cnt <= #TCQ prbs_dqs_tap_cnt_r;
end
if (bit_cnt == DRAM_WIDTH) begin
fine_delay_sel <= #TCQ 'b1;
stage_cnt <= #TCQ stage_cnt + 1;
prbs_state_r <= #TCQ FINE_PI_DEC;
end
end
// Done with this stage of calibration
PRBS_DONE: begin
prbs_prech_req_r <= #TCQ 1'b0;
prbs_last_byte_done <= #TCQ 1'b0;
prbs_rdlvl_done <= #TCQ 1'b1;
reset_rd_addr <= #TCQ 1'b0;
end
endcase
end
//ROM generation for dec counter
always @ (largest_left_edge or smallest_right_edge) begin
case ({largest_left_edge, smallest_right_edge})
12'd0 : mem_out_dec = 6'b111111;
12'd1 : mem_out_dec = 6'b111111;
12'd2 : mem_out_dec = 6'b111111;
12'd3 : mem_out_dec = 6'b111111;
12'd4 : mem_out_dec = 6'b111111;
12'd5 : mem_out_dec = 6'b111111;
12'd6 : mem_out_dec = 6'b000100;
12'd7 : mem_out_dec = 6'b000101;
12'd8 : mem_out_dec = 6'b000101;
12'd9 : mem_out_dec = 6'b000110;
12'd10 : mem_out_dec = 6'b000110;
12'd11 : mem_out_dec = 6'b000111;
12'd12 : mem_out_dec = 6'b001000;
12'd13 : mem_out_dec = 6'b001000;
12'd14 : mem_out_dec = 6'b001001;
12'd15 : mem_out_dec = 6'b001010;
12'd16 : mem_out_dec = 6'b001010;
12'd17 : mem_out_dec = 6'b001011;
12'd18 : mem_out_dec = 6'b001011;
12'd19 : mem_out_dec = 6'b001100;
12'd20 : mem_out_dec = 6'b001100;
12'd21 : mem_out_dec = 6'b001100;
12'd22 : mem_out_dec = 6'b001100;
12'd23 : mem_out_dec = 6'b001101;
12'd24 : mem_out_dec = 6'b001100;
12'd25 : mem_out_dec = 6'b001100;
12'd26 : mem_out_dec = 6'b001101;
12'd27 : mem_out_dec = 6'b001110;
12'd28 : mem_out_dec = 6'b001110;
12'd29 : mem_out_dec = 6'b001111;
12'd30 : mem_out_dec = 6'b010000;
12'd31 : mem_out_dec = 6'b010001;
12'd32 : mem_out_dec = 6'b010001;
12'd33 : mem_out_dec = 6'b010010;
12'd34 : mem_out_dec = 6'b010010;
12'd35 : mem_out_dec = 6'b010010;
12'd36 : mem_out_dec = 6'b010011;
12'd37 : mem_out_dec = 6'b010100;
12'd38 : mem_out_dec = 6'b010100;
12'd39 : mem_out_dec = 6'b010101;
12'd40 : mem_out_dec = 6'b010101;
12'd41 : mem_out_dec = 6'b010110;
12'd42 : mem_out_dec = 6'b010110;
12'd43 : mem_out_dec = 6'b010111;
12'd44 : mem_out_dec = 6'b011000;
12'd45 : mem_out_dec = 6'b011001;
12'd46 : mem_out_dec = 6'b011001;
12'd47 : mem_out_dec = 6'b011010;
12'd48 : mem_out_dec = 6'b011010;
12'd49 : mem_out_dec = 6'b011011;
12'd50 : mem_out_dec = 6'b011011;
12'd51 : mem_out_dec = 6'b011100;
12'd52 : mem_out_dec = 6'b011100;
12'd53 : mem_out_dec = 6'b011100;
12'd54 : mem_out_dec = 6'b011100;
12'd55 : mem_out_dec = 6'b011100;
12'd56 : mem_out_dec = 6'b011100;
12'd57 : mem_out_dec = 6'b011100;
12'd58 : mem_out_dec = 6'b011100;
12'd59 : mem_out_dec = 6'b011101;
12'd60 : mem_out_dec = 6'b011110;
12'd61 : mem_out_dec = 6'b011111;
12'd62 : mem_out_dec = 6'b100000;
12'd63 : mem_out_dec = 6'b100000;
12'd64 : mem_out_dec = 6'b111111;
12'd65 : mem_out_dec = 6'b111111;
12'd66 : mem_out_dec = 6'b111111;
12'd67 : mem_out_dec = 6'b111111;
12'd68 : mem_out_dec = 6'b111111;
12'd69 : mem_out_dec = 6'b111111;
12'd70 : mem_out_dec = 6'b111111;
12'd71 : mem_out_dec = 6'b000100;
12'd72 : mem_out_dec = 6'b000100;
12'd73 : mem_out_dec = 6'b000101;
12'd74 : mem_out_dec = 6'b000110;
12'd75 : mem_out_dec = 6'b000111;
12'd76 : mem_out_dec = 6'b000111;
12'd77 : mem_out_dec = 6'b001000;
12'd78 : mem_out_dec = 6'b001001;
12'd79 : mem_out_dec = 6'b001001;
12'd80 : mem_out_dec = 6'b001010;
12'd81 : mem_out_dec = 6'b001010;
12'd82 : mem_out_dec = 6'b001011;
12'd83 : mem_out_dec = 6'b001011;
12'd84 : mem_out_dec = 6'b001011;
12'd85 : mem_out_dec = 6'b001011;
12'd86 : mem_out_dec = 6'b001011;
12'd87 : mem_out_dec = 6'b001100;
12'd88 : mem_out_dec = 6'b001011;
12'd89 : mem_out_dec = 6'b001100;
12'd90 : mem_out_dec = 6'b001100;
12'd91 : mem_out_dec = 6'b001101;
12'd92 : mem_out_dec = 6'b001110;
12'd93 : mem_out_dec = 6'b001111;
12'd94 : mem_out_dec = 6'b001111;
12'd95 : mem_out_dec = 6'b010000;
12'd96 : mem_out_dec = 6'b010001;
12'd97 : mem_out_dec = 6'b010001;
12'd98 : mem_out_dec = 6'b010010;
12'd99 : mem_out_dec = 6'b010010;
12'd100 : mem_out_dec = 6'b010011;
12'd101 : mem_out_dec = 6'b010011;
12'd102 : mem_out_dec = 6'b010100;
12'd103 : mem_out_dec = 6'b010100;
12'd104 : mem_out_dec = 6'b010100;
12'd105 : mem_out_dec = 6'b010101;
12'd106 : mem_out_dec = 6'b010110;
12'd107 : mem_out_dec = 6'b010111;
12'd108 : mem_out_dec = 6'b010111;
12'd109 : mem_out_dec = 6'b011000;
12'd110 : mem_out_dec = 6'b011001;
12'd111 : mem_out_dec = 6'b011001;
12'd112 : mem_out_dec = 6'b011010;
12'd113 : mem_out_dec = 6'b011010;
12'd114 : mem_out_dec = 6'b011011;
12'd115 : mem_out_dec = 6'b011011;
12'd116 : mem_out_dec = 6'b011011;
12'd117 : mem_out_dec = 6'b011011;
12'd118 : mem_out_dec = 6'b011011;
12'd119 : mem_out_dec = 6'b011011;
12'd120 : mem_out_dec = 6'b011011;
12'd121 : mem_out_dec = 6'b011011;
12'd122 : mem_out_dec = 6'b011100;
12'd123 : mem_out_dec = 6'b011101;
12'd124 : mem_out_dec = 6'b011110;
12'd125 : mem_out_dec = 6'b011110;
12'd126 : mem_out_dec = 6'b011111;
12'd127 : mem_out_dec = 6'b100000;
12'd128 : mem_out_dec = 6'b111111;
12'd129 : mem_out_dec = 6'b111111;
12'd130 : mem_out_dec = 6'b111111;
12'd131 : mem_out_dec = 6'b111111;
12'd132 : mem_out_dec = 6'b111111;
12'd133 : mem_out_dec = 6'b111111;
12'd134 : mem_out_dec = 6'b111111;
12'd135 : mem_out_dec = 6'b111111;
12'd136 : mem_out_dec = 6'b000100;
12'd137 : mem_out_dec = 6'b000101;
12'd138 : mem_out_dec = 6'b000101;
12'd139 : mem_out_dec = 6'b000110;
12'd140 : mem_out_dec = 6'b000110;
12'd141 : mem_out_dec = 6'b000111;
12'd142 : mem_out_dec = 6'b001000;
12'd143 : mem_out_dec = 6'b001001;
12'd144 : mem_out_dec = 6'b001001;
12'd145 : mem_out_dec = 6'b001010;
12'd146 : mem_out_dec = 6'b001010;
12'd147 : mem_out_dec = 6'b001010;
12'd148 : mem_out_dec = 6'b001010;
12'd149 : mem_out_dec = 6'b001010;
12'd150 : mem_out_dec = 6'b001010;
12'd151 : mem_out_dec = 6'b001011;
12'd152 : mem_out_dec = 6'b001010;
12'd153 : mem_out_dec = 6'b001011;
12'd154 : mem_out_dec = 6'b001100;
12'd155 : mem_out_dec = 6'b001101;
12'd156 : mem_out_dec = 6'b001101;
12'd157 : mem_out_dec = 6'b001110;
12'd158 : mem_out_dec = 6'b001111;
12'd159 : mem_out_dec = 6'b010000;
12'd160 : mem_out_dec = 6'b010000;
12'd161 : mem_out_dec = 6'b010001;
12'd162 : mem_out_dec = 6'b010001;
12'd163 : mem_out_dec = 6'b010010;
12'd164 : mem_out_dec = 6'b010010;
12'd165 : mem_out_dec = 6'b010011;
12'd166 : mem_out_dec = 6'b010011;
12'd167 : mem_out_dec = 6'b010100;
12'd168 : mem_out_dec = 6'b010100;
12'd169 : mem_out_dec = 6'b010101;
12'd170 : mem_out_dec = 6'b010101;
12'd171 : mem_out_dec = 6'b010110;
12'd172 : mem_out_dec = 6'b010111;
12'd173 : mem_out_dec = 6'b010111;
12'd174 : mem_out_dec = 6'b011000;
12'd175 : mem_out_dec = 6'b011001;
12'd176 : mem_out_dec = 6'b011001;
12'd177 : mem_out_dec = 6'b011010;
12'd178 : mem_out_dec = 6'b011010;
12'd179 : mem_out_dec = 6'b011010;
12'd180 : mem_out_dec = 6'b011010;
12'd181 : mem_out_dec = 6'b011010;
12'd182 : mem_out_dec = 6'b011010;
12'd183 : mem_out_dec = 6'b011010;
12'd184 : mem_out_dec = 6'b011010;
12'd185 : mem_out_dec = 6'b011011;
12'd186 : mem_out_dec = 6'b011100;
12'd187 : mem_out_dec = 6'b011100;
12'd188 : mem_out_dec = 6'b011101;
12'd189 : mem_out_dec = 6'b011110;
12'd190 : mem_out_dec = 6'b011111;
12'd191 : mem_out_dec = 6'b100000;
12'd192 : mem_out_dec = 6'b111111;
12'd193 : mem_out_dec = 6'b111111;
12'd194 : mem_out_dec = 6'b111111;
12'd195 : mem_out_dec = 6'b111111;
12'd196 : mem_out_dec = 6'b111111;
12'd197 : mem_out_dec = 6'b111111;
12'd198 : mem_out_dec = 6'b111111;
12'd199 : mem_out_dec = 6'b111111;
12'd200 : mem_out_dec = 6'b111111;
12'd201 : mem_out_dec = 6'b000100;
12'd202 : mem_out_dec = 6'b000100;
12'd203 : mem_out_dec = 6'b000101;
12'd204 : mem_out_dec = 6'b000110;
12'd205 : mem_out_dec = 6'b000111;
12'd206 : mem_out_dec = 6'b001000;
12'd207 : mem_out_dec = 6'b001000;
12'd208 : mem_out_dec = 6'b001001;
12'd209 : mem_out_dec = 6'b001001;
12'd210 : mem_out_dec = 6'b001001;
12'd211 : mem_out_dec = 6'b001001;
12'd212 : mem_out_dec = 6'b001001;
12'd213 : mem_out_dec = 6'b001001;
12'd214 : mem_out_dec = 6'b001001;
12'd215 : mem_out_dec = 6'b001010;
12'd216 : mem_out_dec = 6'b001010;
12'd217 : mem_out_dec = 6'b001011;
12'd218 : mem_out_dec = 6'b001011;
12'd219 : mem_out_dec = 6'b001100;
12'd220 : mem_out_dec = 6'b001101;
12'd221 : mem_out_dec = 6'b001110;
12'd222 : mem_out_dec = 6'b001111;
12'd223 : mem_out_dec = 6'b001111;
12'd224 : mem_out_dec = 6'b010000;
12'd225 : mem_out_dec = 6'b010000;
12'd226 : mem_out_dec = 6'b010001;
12'd227 : mem_out_dec = 6'b010001;
12'd228 : mem_out_dec = 6'b010010;
12'd229 : mem_out_dec = 6'b010010;
12'd230 : mem_out_dec = 6'b010011;
12'd231 : mem_out_dec = 6'b010011;
12'd232 : mem_out_dec = 6'b010011;
12'd233 : mem_out_dec = 6'b010100;
12'd234 : mem_out_dec = 6'b010100;
12'd235 : mem_out_dec = 6'b010101;
12'd236 : mem_out_dec = 6'b010110;
12'd237 : mem_out_dec = 6'b010111;
12'd238 : mem_out_dec = 6'b011000;
12'd239 : mem_out_dec = 6'b011000;
12'd240 : mem_out_dec = 6'b011001;
12'd241 : mem_out_dec = 6'b011001;
12'd242 : mem_out_dec = 6'b011001;
12'd243 : mem_out_dec = 6'b011001;
12'd244 : mem_out_dec = 6'b011001;
12'd245 : mem_out_dec = 6'b011001;
12'd246 : mem_out_dec = 6'b011001;
12'd247 : mem_out_dec = 6'b011001;
12'd248 : mem_out_dec = 6'b011010;
12'd249 : mem_out_dec = 6'b011010;
12'd250 : mem_out_dec = 6'b011011;
12'd251 : mem_out_dec = 6'b011100;
12'd252 : mem_out_dec = 6'b011101;
12'd253 : mem_out_dec = 6'b011110;
12'd254 : mem_out_dec = 6'b011110;
12'd255 : mem_out_dec = 6'b011111;
12'd256 : mem_out_dec = 6'b111111;
12'd257 : mem_out_dec = 6'b111111;
12'd258 : mem_out_dec = 6'b111111;
12'd259 : mem_out_dec = 6'b111111;
12'd260 : mem_out_dec = 6'b111111;
12'd261 : mem_out_dec = 6'b111111;
12'd262 : mem_out_dec = 6'b111111;
12'd263 : mem_out_dec = 6'b111111;
12'd264 : mem_out_dec = 6'b111111;
12'd265 : mem_out_dec = 6'b111111;
12'd266 : mem_out_dec = 6'b000100;
12'd267 : mem_out_dec = 6'b000101;
12'd268 : mem_out_dec = 6'b000110;
12'd269 : mem_out_dec = 6'b000110;
12'd270 : mem_out_dec = 6'b000111;
12'd271 : mem_out_dec = 6'b001000;
12'd272 : mem_out_dec = 6'b001000;
12'd273 : mem_out_dec = 6'b001000;
12'd274 : mem_out_dec = 6'b001000;
12'd275 : mem_out_dec = 6'b001000;
12'd276 : mem_out_dec = 6'b001000;
12'd277 : mem_out_dec = 6'b001000;
12'd278 : mem_out_dec = 6'b001000;
12'd279 : mem_out_dec = 6'b001001;
12'd280 : mem_out_dec = 6'b001001;
12'd281 : mem_out_dec = 6'b001010;
12'd282 : mem_out_dec = 6'b001011;
12'd283 : mem_out_dec = 6'b001100;
12'd284 : mem_out_dec = 6'b001101;
12'd285 : mem_out_dec = 6'b001101;
12'd286 : mem_out_dec = 6'b001110;
12'd287 : mem_out_dec = 6'b001111;
12'd288 : mem_out_dec = 6'b001111;
12'd289 : mem_out_dec = 6'b010000;
12'd290 : mem_out_dec = 6'b010000;
12'd291 : mem_out_dec = 6'b010001;
12'd292 : mem_out_dec = 6'b010001;
12'd293 : mem_out_dec = 6'b010010;
12'd294 : mem_out_dec = 6'b010010;
12'd295 : mem_out_dec = 6'b010011;
12'd296 : mem_out_dec = 6'b010010;
12'd297 : mem_out_dec = 6'b010011;
12'd298 : mem_out_dec = 6'b010100;
12'd299 : mem_out_dec = 6'b010101;
12'd300 : mem_out_dec = 6'b010110;
12'd301 : mem_out_dec = 6'b010110;
12'd302 : mem_out_dec = 6'b010111;
12'd303 : mem_out_dec = 6'b011000;
12'd304 : mem_out_dec = 6'b011000;
12'd305 : mem_out_dec = 6'b011000;
12'd306 : mem_out_dec = 6'b011000;
12'd307 : mem_out_dec = 6'b011000;
12'd308 : mem_out_dec = 6'b011000;
12'd309 : mem_out_dec = 6'b011000;
12'd310 : mem_out_dec = 6'b011000;
12'd311 : mem_out_dec = 6'b011001;
12'd312 : mem_out_dec = 6'b011001;
12'd313 : mem_out_dec = 6'b011010;
12'd314 : mem_out_dec = 6'b011011;
12'd315 : mem_out_dec = 6'b011100;
12'd316 : mem_out_dec = 6'b011100;
12'd317 : mem_out_dec = 6'b011101;
12'd318 : mem_out_dec = 6'b011110;
12'd319 : mem_out_dec = 6'b011111;
12'd320 : mem_out_dec = 6'b111111;
12'd321 : mem_out_dec = 6'b111111;
12'd322 : mem_out_dec = 6'b111111;
12'd323 : mem_out_dec = 6'b111111;
12'd324 : mem_out_dec = 6'b111111;
12'd325 : mem_out_dec = 6'b111111;
12'd326 : mem_out_dec = 6'b111111;
12'd327 : mem_out_dec = 6'b111111;
12'd328 : mem_out_dec = 6'b111111;
12'd329 : mem_out_dec = 6'b111111;
12'd330 : mem_out_dec = 6'b111111;
12'd331 : mem_out_dec = 6'b000100;
12'd332 : mem_out_dec = 6'b000101;
12'd333 : mem_out_dec = 6'b000110;
12'd334 : mem_out_dec = 6'b000111;
12'd335 : mem_out_dec = 6'b001000;
12'd336 : mem_out_dec = 6'b000111;
12'd337 : mem_out_dec = 6'b000111;
12'd338 : mem_out_dec = 6'b000111;
12'd339 : mem_out_dec = 6'b000111;
12'd340 : mem_out_dec = 6'b000111;
12'd341 : mem_out_dec = 6'b000111;
12'd342 : mem_out_dec = 6'b001000;
12'd343 : mem_out_dec = 6'b001001;
12'd344 : mem_out_dec = 6'b001001;
12'd345 : mem_out_dec = 6'b001010;
12'd346 : mem_out_dec = 6'b001011;
12'd347 : mem_out_dec = 6'b001011;
12'd348 : mem_out_dec = 6'b001100;
12'd349 : mem_out_dec = 6'b001101;
12'd350 : mem_out_dec = 6'b001110;
12'd351 : mem_out_dec = 6'b001110;
12'd352 : mem_out_dec = 6'b001111;
12'd353 : mem_out_dec = 6'b001111;
12'd354 : mem_out_dec = 6'b010000;
12'd355 : mem_out_dec = 6'b010000;
12'd356 : mem_out_dec = 6'b010001;
12'd357 : mem_out_dec = 6'b010001;
12'd358 : mem_out_dec = 6'b010001;
12'd359 : mem_out_dec = 6'b010010;
12'd360 : mem_out_dec = 6'b010010;
12'd361 : mem_out_dec = 6'b010011;
12'd362 : mem_out_dec = 6'b010100;
12'd363 : mem_out_dec = 6'b010100;
12'd364 : mem_out_dec = 6'b010101;
12'd365 : mem_out_dec = 6'b010110;
12'd366 : mem_out_dec = 6'b010111;
12'd367 : mem_out_dec = 6'b011000;
12'd368 : mem_out_dec = 6'b010111;
12'd369 : mem_out_dec = 6'b010111;
12'd370 : mem_out_dec = 6'b010111;
12'd371 : mem_out_dec = 6'b010111;
12'd372 : mem_out_dec = 6'b010111;
12'd373 : mem_out_dec = 6'b010111;
12'd374 : mem_out_dec = 6'b011000;
12'd375 : mem_out_dec = 6'b011001;
12'd376 : mem_out_dec = 6'b011001;
12'd377 : mem_out_dec = 6'b011010;
12'd378 : mem_out_dec = 6'b011010;
12'd379 : mem_out_dec = 6'b011011;
12'd380 : mem_out_dec = 6'b011100;
12'd381 : mem_out_dec = 6'b011101;
12'd382 : mem_out_dec = 6'b011101;
12'd383 : mem_out_dec = 6'b011110;
12'd384 : mem_out_dec = 6'b111111;
12'd385 : mem_out_dec = 6'b111111;
12'd386 : mem_out_dec = 6'b111111;
12'd387 : mem_out_dec = 6'b111111;
12'd388 : mem_out_dec = 6'b111111;
12'd389 : mem_out_dec = 6'b111111;
12'd390 : mem_out_dec = 6'b111111;
12'd391 : mem_out_dec = 6'b111111;
12'd392 : mem_out_dec = 6'b111111;
12'd393 : mem_out_dec = 6'b111111;
12'd394 : mem_out_dec = 6'b111111;
12'd395 : mem_out_dec = 6'b111111;
12'd396 : mem_out_dec = 6'b000101;
12'd397 : mem_out_dec = 6'b000110;
12'd398 : mem_out_dec = 6'b000110;
12'd399 : mem_out_dec = 6'b000111;
12'd400 : mem_out_dec = 6'b000110;
12'd401 : mem_out_dec = 6'b000110;
12'd402 : mem_out_dec = 6'b000110;
12'd403 : mem_out_dec = 6'b000110;
12'd404 : mem_out_dec = 6'b000110;
12'd405 : mem_out_dec = 6'b000111;
12'd406 : mem_out_dec = 6'b001000;
12'd407 : mem_out_dec = 6'b001000;
12'd408 : mem_out_dec = 6'b001001;
12'd409 : mem_out_dec = 6'b001001;
12'd410 : mem_out_dec = 6'b001010;
12'd411 : mem_out_dec = 6'b001011;
12'd412 : mem_out_dec = 6'b001100;
12'd413 : mem_out_dec = 6'b001100;
12'd414 : mem_out_dec = 6'b001101;
12'd415 : mem_out_dec = 6'b001110;
12'd416 : mem_out_dec = 6'b001110;
12'd417 : mem_out_dec = 6'b001111;
12'd418 : mem_out_dec = 6'b001111;
12'd419 : mem_out_dec = 6'b010000;
12'd420 : mem_out_dec = 6'b010000;
12'd421 : mem_out_dec = 6'b010000;
12'd422 : mem_out_dec = 6'b010001;
12'd423 : mem_out_dec = 6'b010001;
12'd424 : mem_out_dec = 6'b010010;
12'd425 : mem_out_dec = 6'b010011;
12'd426 : mem_out_dec = 6'b010011;
12'd427 : mem_out_dec = 6'b010100;
12'd428 : mem_out_dec = 6'b010101;
12'd429 : mem_out_dec = 6'b010110;
12'd430 : mem_out_dec = 6'b010111;
12'd431 : mem_out_dec = 6'b010111;
12'd432 : mem_out_dec = 6'b010110;
12'd433 : mem_out_dec = 6'b010110;
12'd434 : mem_out_dec = 6'b010110;
12'd435 : mem_out_dec = 6'b010110;
12'd436 : mem_out_dec = 6'b010110;
12'd437 : mem_out_dec = 6'b010111;
12'd438 : mem_out_dec = 6'b010111;
12'd439 : mem_out_dec = 6'b011000;
12'd440 : mem_out_dec = 6'b011001;
12'd441 : mem_out_dec = 6'b011001;
12'd442 : mem_out_dec = 6'b011010;
12'd443 : mem_out_dec = 6'b011011;
12'd444 : mem_out_dec = 6'b011011;
12'd445 : mem_out_dec = 6'b011100;
12'd446 : mem_out_dec = 6'b011101;
12'd447 : mem_out_dec = 6'b011110;
12'd448 : mem_out_dec = 6'b111111;
12'd449 : mem_out_dec = 6'b111111;
12'd450 : mem_out_dec = 6'b111111;
12'd451 : mem_out_dec = 6'b111111;
12'd452 : mem_out_dec = 6'b111111;
12'd453 : mem_out_dec = 6'b111111;
12'd454 : mem_out_dec = 6'b111111;
12'd455 : mem_out_dec = 6'b111111;
12'd456 : mem_out_dec = 6'b111111;
12'd457 : mem_out_dec = 6'b111111;
12'd458 : mem_out_dec = 6'b111111;
12'd459 : mem_out_dec = 6'b111111;
12'd460 : mem_out_dec = 6'b111111;
12'd461 : mem_out_dec = 6'b000101;
12'd462 : mem_out_dec = 6'b000110;
12'd463 : mem_out_dec = 6'b000110;
12'd464 : mem_out_dec = 6'b000110;
12'd465 : mem_out_dec = 6'b000110;
12'd466 : mem_out_dec = 6'b000110;
12'd467 : mem_out_dec = 6'b000110;
12'd468 : mem_out_dec = 6'b000110;
12'd469 : mem_out_dec = 6'b000111;
12'd470 : mem_out_dec = 6'b000111;
12'd471 : mem_out_dec = 6'b001000;
12'd472 : mem_out_dec = 6'b001000;
12'd473 : mem_out_dec = 6'b001001;
12'd474 : mem_out_dec = 6'b001010;
12'd475 : mem_out_dec = 6'b001011;
12'd476 : mem_out_dec = 6'b001011;
12'd477 : mem_out_dec = 6'b001100;
12'd478 : mem_out_dec = 6'b001101;
12'd479 : mem_out_dec = 6'b001110;
12'd480 : mem_out_dec = 6'b001110;
12'd481 : mem_out_dec = 6'b001110;
12'd482 : mem_out_dec = 6'b001111;
12'd483 : mem_out_dec = 6'b001111;
12'd484 : mem_out_dec = 6'b010000;
12'd485 : mem_out_dec = 6'b010000;
12'd486 : mem_out_dec = 6'b010000;
12'd487 : mem_out_dec = 6'b010001;
12'd488 : mem_out_dec = 6'b010001;
12'd489 : mem_out_dec = 6'b010010;
12'd490 : mem_out_dec = 6'b010011;
12'd491 : mem_out_dec = 6'b010100;
12'd492 : mem_out_dec = 6'b010101;
12'd493 : mem_out_dec = 6'b010101;
12'd494 : mem_out_dec = 6'b010110;
12'd495 : mem_out_dec = 6'b010110;
12'd496 : mem_out_dec = 6'b010110;
12'd497 : mem_out_dec = 6'b010110;
12'd498 : mem_out_dec = 6'b010101;
12'd499 : mem_out_dec = 6'b010101;
12'd500 : mem_out_dec = 6'b010110;
12'd501 : mem_out_dec = 6'b010111;
12'd502 : mem_out_dec = 6'b010111;
12'd503 : mem_out_dec = 6'b011000;
12'd504 : mem_out_dec = 6'b011000;
12'd505 : mem_out_dec = 6'b011001;
12'd506 : mem_out_dec = 6'b011010;
12'd507 : mem_out_dec = 6'b011010;
12'd508 : mem_out_dec = 6'b011011;
12'd509 : mem_out_dec = 6'b011100;
12'd510 : mem_out_dec = 6'b011101;
12'd511 : mem_out_dec = 6'b011101;
12'd512 : mem_out_dec = 6'b111111;
12'd513 : mem_out_dec = 6'b111111;
12'd514 : mem_out_dec = 6'b111111;
12'd515 : mem_out_dec = 6'b111111;
12'd516 : mem_out_dec = 6'b111111;
12'd517 : mem_out_dec = 6'b111111;
12'd518 : mem_out_dec = 6'b111111;
12'd519 : mem_out_dec = 6'b111111;
12'd520 : mem_out_dec = 6'b111111;
12'd521 : mem_out_dec = 6'b111111;
12'd522 : mem_out_dec = 6'b111111;
12'd523 : mem_out_dec = 6'b111111;
12'd524 : mem_out_dec = 6'b111111;
12'd525 : mem_out_dec = 6'b111111;
12'd526 : mem_out_dec = 6'b000100;
12'd527 : mem_out_dec = 6'b000101;
12'd528 : mem_out_dec = 6'b000100;
12'd529 : mem_out_dec = 6'b000100;
12'd530 : mem_out_dec = 6'b000100;
12'd531 : mem_out_dec = 6'b000101;
12'd532 : mem_out_dec = 6'b000101;
12'd533 : mem_out_dec = 6'b000110;
12'd534 : mem_out_dec = 6'b000111;
12'd535 : mem_out_dec = 6'b000111;
12'd536 : mem_out_dec = 6'b000111;
12'd537 : mem_out_dec = 6'b001000;
12'd538 : mem_out_dec = 6'b001001;
12'd539 : mem_out_dec = 6'b001010;
12'd540 : mem_out_dec = 6'b001011;
12'd541 : mem_out_dec = 6'b001011;
12'd542 : mem_out_dec = 6'b001100;
12'd543 : mem_out_dec = 6'b001101;
12'd544 : mem_out_dec = 6'b001101;
12'd545 : mem_out_dec = 6'b001101;
12'd546 : mem_out_dec = 6'b001110;
12'd547 : mem_out_dec = 6'b001110;
12'd548 : mem_out_dec = 6'b001110;
12'd549 : mem_out_dec = 6'b001111;
12'd550 : mem_out_dec = 6'b010000;
12'd551 : mem_out_dec = 6'b010000;
12'd552 : mem_out_dec = 6'b010001;
12'd553 : mem_out_dec = 6'b010001;
12'd554 : mem_out_dec = 6'b010010;
12'd555 : mem_out_dec = 6'b010010;
12'd556 : mem_out_dec = 6'b010011;
12'd557 : mem_out_dec = 6'b010100;
12'd558 : mem_out_dec = 6'b010100;
12'd559 : mem_out_dec = 6'b010100;
12'd560 : mem_out_dec = 6'b010100;
12'd561 : mem_out_dec = 6'b010100;
12'd562 : mem_out_dec = 6'b010100;
12'd563 : mem_out_dec = 6'b010101;
12'd564 : mem_out_dec = 6'b010101;
12'd565 : mem_out_dec = 6'b010110;
12'd566 : mem_out_dec = 6'b010111;
12'd567 : mem_out_dec = 6'b010111;
12'd568 : mem_out_dec = 6'b010111;
12'd569 : mem_out_dec = 6'b011000;
12'd570 : mem_out_dec = 6'b011001;
12'd571 : mem_out_dec = 6'b011010;
12'd572 : mem_out_dec = 6'b011010;
12'd573 : mem_out_dec = 6'b011011;
12'd574 : mem_out_dec = 6'b011100;
12'd575 : mem_out_dec = 6'b011101;
12'd576 : mem_out_dec = 6'b111111;
12'd577 : mem_out_dec = 6'b111111;
12'd578 : mem_out_dec = 6'b111111;
12'd579 : mem_out_dec = 6'b111111;
12'd580 : mem_out_dec = 6'b111111;
12'd581 : mem_out_dec = 6'b111111;
12'd582 : mem_out_dec = 6'b111111;
12'd583 : mem_out_dec = 6'b111111;
12'd584 : mem_out_dec = 6'b111111;
12'd585 : mem_out_dec = 6'b111111;
12'd586 : mem_out_dec = 6'b111111;
12'd587 : mem_out_dec = 6'b111111;
12'd588 : mem_out_dec = 6'b111111;
12'd589 : mem_out_dec = 6'b111111;
12'd590 : mem_out_dec = 6'b111111;
12'd591 : mem_out_dec = 6'b000100;
12'd592 : mem_out_dec = 6'b000011;
12'd593 : mem_out_dec = 6'b000011;
12'd594 : mem_out_dec = 6'b000100;
12'd595 : mem_out_dec = 6'b000101;
12'd596 : mem_out_dec = 6'b000101;
12'd597 : mem_out_dec = 6'b000110;
12'd598 : mem_out_dec = 6'b000110;
12'd599 : mem_out_dec = 6'b000111;
12'd600 : mem_out_dec = 6'b000111;
12'd601 : mem_out_dec = 6'b001000;
12'd602 : mem_out_dec = 6'b001001;
12'd603 : mem_out_dec = 6'b001010;
12'd604 : mem_out_dec = 6'b001010;
12'd605 : mem_out_dec = 6'b001011;
12'd606 : mem_out_dec = 6'b001100;
12'd607 : mem_out_dec = 6'b001101;
12'd608 : mem_out_dec = 6'b001101;
12'd609 : mem_out_dec = 6'b001101;
12'd610 : mem_out_dec = 6'b001110;
12'd611 : mem_out_dec = 6'b001110;
12'd612 : mem_out_dec = 6'b001110;
12'd613 : mem_out_dec = 6'b001111;
12'd614 : mem_out_dec = 6'b010000;
12'd615 : mem_out_dec = 6'b010000;
12'd616 : mem_out_dec = 6'b010000;
12'd617 : mem_out_dec = 6'b010001;
12'd618 : mem_out_dec = 6'b010001;
12'd619 : mem_out_dec = 6'b010010;
12'd620 : mem_out_dec = 6'b010010;
12'd621 : mem_out_dec = 6'b010011;
12'd622 : mem_out_dec = 6'b010011;
12'd623 : mem_out_dec = 6'b010100;
12'd624 : mem_out_dec = 6'b010011;
12'd625 : mem_out_dec = 6'b010011;
12'd626 : mem_out_dec = 6'b010100;
12'd627 : mem_out_dec = 6'b010100;
12'd628 : mem_out_dec = 6'b010101;
12'd629 : mem_out_dec = 6'b010110;
12'd630 : mem_out_dec = 6'b010110;
12'd631 : mem_out_dec = 6'b010111;
12'd632 : mem_out_dec = 6'b010111;
12'd633 : mem_out_dec = 6'b011000;
12'd634 : mem_out_dec = 6'b011001;
12'd635 : mem_out_dec = 6'b011001;
12'd636 : mem_out_dec = 6'b011010;
12'd637 : mem_out_dec = 6'b011011;
12'd638 : mem_out_dec = 6'b011100;
12'd639 : mem_out_dec = 6'b011100;
12'd640 : mem_out_dec = 6'b111111;
12'd641 : mem_out_dec = 6'b111111;
12'd642 : mem_out_dec = 6'b111111;
12'd643 : mem_out_dec = 6'b111111;
12'd644 : mem_out_dec = 6'b111111;
12'd645 : mem_out_dec = 6'b111111;
12'd646 : mem_out_dec = 6'b111111;
12'd647 : mem_out_dec = 6'b111111;
12'd648 : mem_out_dec = 6'b111111;
12'd649 : mem_out_dec = 6'b111111;
12'd650 : mem_out_dec = 6'b111111;
12'd651 : mem_out_dec = 6'b111111;
12'd652 : mem_out_dec = 6'b111111;
12'd653 : mem_out_dec = 6'b111111;
12'd654 : mem_out_dec = 6'b111111;
12'd655 : mem_out_dec = 6'b111111;
12'd656 : mem_out_dec = 6'b000011;
12'd657 : mem_out_dec = 6'b000011;
12'd658 : mem_out_dec = 6'b000100;
12'd659 : mem_out_dec = 6'b000100;
12'd660 : mem_out_dec = 6'b000101;
12'd661 : mem_out_dec = 6'b000110;
12'd662 : mem_out_dec = 6'b000110;
12'd663 : mem_out_dec = 6'b000111;
12'd664 : mem_out_dec = 6'b000111;
12'd665 : mem_out_dec = 6'b001000;
12'd666 : mem_out_dec = 6'b001001;
12'd667 : mem_out_dec = 6'b001001;
12'd668 : mem_out_dec = 6'b001010;
12'd669 : mem_out_dec = 6'b001011;
12'd670 : mem_out_dec = 6'b001100;
12'd671 : mem_out_dec = 6'b001100;
12'd672 : mem_out_dec = 6'b001100;
12'd673 : mem_out_dec = 6'b001101;
12'd674 : mem_out_dec = 6'b001101;
12'd675 : mem_out_dec = 6'b001101;
12'd676 : mem_out_dec = 6'b001110;
12'd677 : mem_out_dec = 6'b001111;
12'd678 : mem_out_dec = 6'b001111;
12'd679 : mem_out_dec = 6'b010000;
12'd680 : mem_out_dec = 6'b010000;
12'd681 : mem_out_dec = 6'b010000;
12'd682 : mem_out_dec = 6'b010001;
12'd683 : mem_out_dec = 6'b010001;
12'd684 : mem_out_dec = 6'b010010;
12'd685 : mem_out_dec = 6'b010010;
12'd686 : mem_out_dec = 6'b010011;
12'd687 : mem_out_dec = 6'b010011;
12'd688 : mem_out_dec = 6'b010011;
12'd689 : mem_out_dec = 6'b010011;
12'd690 : mem_out_dec = 6'b010100;
12'd691 : mem_out_dec = 6'b010100;
12'd692 : mem_out_dec = 6'b010101;
12'd693 : mem_out_dec = 6'b010101;
12'd694 : mem_out_dec = 6'b010110;
12'd695 : mem_out_dec = 6'b010111;
12'd696 : mem_out_dec = 6'b010111;
12'd697 : mem_out_dec = 6'b011000;
12'd698 : mem_out_dec = 6'b011000;
12'd699 : mem_out_dec = 6'b011001;
12'd700 : mem_out_dec = 6'b011010;
12'd701 : mem_out_dec = 6'b011011;
12'd702 : mem_out_dec = 6'b011011;
12'd703 : mem_out_dec = 6'b011100;
12'd704 : mem_out_dec = 6'b111111;
12'd705 : mem_out_dec = 6'b111111;
12'd706 : mem_out_dec = 6'b111111;
12'd707 : mem_out_dec = 6'b111111;
12'd708 : mem_out_dec = 6'b111111;
12'd709 : mem_out_dec = 6'b111111;
12'd710 : mem_out_dec = 6'b111111;
12'd711 : mem_out_dec = 6'b111111;
12'd712 : mem_out_dec = 6'b111111;
12'd713 : mem_out_dec = 6'b111111;
12'd714 : mem_out_dec = 6'b111111;
12'd715 : mem_out_dec = 6'b111111;
12'd716 : mem_out_dec = 6'b111111;
12'd717 : mem_out_dec = 6'b111111;
12'd718 : mem_out_dec = 6'b111111;
12'd719 : mem_out_dec = 6'b111111;
12'd720 : mem_out_dec = 6'b111111;
12'd721 : mem_out_dec = 6'b000011;
12'd722 : mem_out_dec = 6'b000100;
12'd723 : mem_out_dec = 6'b000100;
12'd724 : mem_out_dec = 6'b000101;
12'd725 : mem_out_dec = 6'b000101;
12'd726 : mem_out_dec = 6'b000110;
12'd727 : mem_out_dec = 6'b000111;
12'd728 : mem_out_dec = 6'b000111;
12'd729 : mem_out_dec = 6'b000111;
12'd730 : mem_out_dec = 6'b001000;
12'd731 : mem_out_dec = 6'b001001;
12'd732 : mem_out_dec = 6'b001010;
12'd733 : mem_out_dec = 6'b001011;
12'd734 : mem_out_dec = 6'b001011;
12'd735 : mem_out_dec = 6'b001100;
12'd736 : mem_out_dec = 6'b001100;
12'd737 : mem_out_dec = 6'b001101;
12'd738 : mem_out_dec = 6'b001101;
12'd739 : mem_out_dec = 6'b001101;
12'd740 : mem_out_dec = 6'b001110;
12'd741 : mem_out_dec = 6'b001110;
12'd742 : mem_out_dec = 6'b001111;
12'd743 : mem_out_dec = 6'b010000;
12'd744 : mem_out_dec = 6'b001111;
12'd745 : mem_out_dec = 6'b010000;
12'd746 : mem_out_dec = 6'b010000;
12'd747 : mem_out_dec = 6'b010001;
12'd748 : mem_out_dec = 6'b010001;
12'd749 : mem_out_dec = 6'b010010;
12'd750 : mem_out_dec = 6'b010010;
12'd751 : mem_out_dec = 6'b010011;
12'd752 : mem_out_dec = 6'b010010;
12'd753 : mem_out_dec = 6'b010011;
12'd754 : mem_out_dec = 6'b010011;
12'd755 : mem_out_dec = 6'b010100;
12'd756 : mem_out_dec = 6'b010101;
12'd757 : mem_out_dec = 6'b010101;
12'd758 : mem_out_dec = 6'b010110;
12'd759 : mem_out_dec = 6'b010110;
12'd760 : mem_out_dec = 6'b010111;
12'd761 : mem_out_dec = 6'b010111;
12'd762 : mem_out_dec = 6'b011000;
12'd763 : mem_out_dec = 6'b011001;
12'd764 : mem_out_dec = 6'b011010;
12'd765 : mem_out_dec = 6'b011010;
12'd766 : mem_out_dec = 6'b011011;
12'd767 : mem_out_dec = 6'b011100;
12'd768 : mem_out_dec = 6'b111111;
12'd769 : mem_out_dec = 6'b111111;
12'd770 : mem_out_dec = 6'b111111;
12'd771 : mem_out_dec = 6'b111111;
12'd772 : mem_out_dec = 6'b111111;
12'd773 : mem_out_dec = 6'b111111;
12'd774 : mem_out_dec = 6'b111111;
12'd775 : mem_out_dec = 6'b111111;
12'd776 : mem_out_dec = 6'b111111;
12'd777 : mem_out_dec = 6'b111111;
12'd778 : mem_out_dec = 6'b111111;
12'd779 : mem_out_dec = 6'b111111;
12'd780 : mem_out_dec = 6'b111111;
12'd781 : mem_out_dec = 6'b111111;
12'd782 : mem_out_dec = 6'b111111;
12'd783 : mem_out_dec = 6'b111111;
12'd784 : mem_out_dec = 6'b111111;
12'd785 : mem_out_dec = 6'b111111;
12'd786 : mem_out_dec = 6'b000011;
12'd787 : mem_out_dec = 6'b000100;
12'd788 : mem_out_dec = 6'b000101;
12'd789 : mem_out_dec = 6'b000101;
12'd790 : mem_out_dec = 6'b000110;
12'd791 : mem_out_dec = 6'b000110;
12'd792 : mem_out_dec = 6'b000110;
12'd793 : mem_out_dec = 6'b000111;
12'd794 : mem_out_dec = 6'b001000;
12'd795 : mem_out_dec = 6'b001001;
12'd796 : mem_out_dec = 6'b001010;
12'd797 : mem_out_dec = 6'b001010;
12'd798 : mem_out_dec = 6'b001011;
12'd799 : mem_out_dec = 6'b001100;
12'd800 : mem_out_dec = 6'b001100;
12'd801 : mem_out_dec = 6'b001100;
12'd802 : mem_out_dec = 6'b001101;
12'd803 : mem_out_dec = 6'b001101;
12'd804 : mem_out_dec = 6'b001110;
12'd805 : mem_out_dec = 6'b001110;
12'd806 : mem_out_dec = 6'b001111;
12'd807 : mem_out_dec = 6'b010000;
12'd808 : mem_out_dec = 6'b001111;
12'd809 : mem_out_dec = 6'b001111;
12'd810 : mem_out_dec = 6'b010000;
12'd811 : mem_out_dec = 6'b010000;
12'd812 : mem_out_dec = 6'b010001;
12'd813 : mem_out_dec = 6'b010001;
12'd814 : mem_out_dec = 6'b010010;
12'd815 : mem_out_dec = 6'b010010;
12'd816 : mem_out_dec = 6'b010010;
12'd817 : mem_out_dec = 6'b010011;
12'd818 : mem_out_dec = 6'b010011;
12'd819 : mem_out_dec = 6'b010100;
12'd820 : mem_out_dec = 6'b010100;
12'd821 : mem_out_dec = 6'b010101;
12'd822 : mem_out_dec = 6'b010110;
12'd823 : mem_out_dec = 6'b010110;
12'd824 : mem_out_dec = 6'b010110;
12'd825 : mem_out_dec = 6'b010111;
12'd826 : mem_out_dec = 6'b011000;
12'd827 : mem_out_dec = 6'b011001;
12'd828 : mem_out_dec = 6'b011001;
12'd829 : mem_out_dec = 6'b011010;
12'd830 : mem_out_dec = 6'b011011;
12'd831 : mem_out_dec = 6'b011100;
12'd832 : mem_out_dec = 6'b111111;
12'd833 : mem_out_dec = 6'b111111;
12'd834 : mem_out_dec = 6'b111111;
12'd835 : mem_out_dec = 6'b111111;
12'd836 : mem_out_dec = 6'b111111;
12'd837 : mem_out_dec = 6'b111111;
12'd838 : mem_out_dec = 6'b111111;
12'd839 : mem_out_dec = 6'b111111;
12'd840 : mem_out_dec = 6'b111111;
12'd841 : mem_out_dec = 6'b111111;
12'd842 : mem_out_dec = 6'b111111;
12'd843 : mem_out_dec = 6'b111111;
12'd844 : mem_out_dec = 6'b111111;
12'd845 : mem_out_dec = 6'b111111;
12'd846 : mem_out_dec = 6'b111111;
12'd847 : mem_out_dec = 6'b111111;
12'd848 : mem_out_dec = 6'b111111;
12'd849 : mem_out_dec = 6'b111111;
12'd850 : mem_out_dec = 6'b111111;
12'd851 : mem_out_dec = 6'b000100;
12'd852 : mem_out_dec = 6'b000100;
12'd853 : mem_out_dec = 6'b000101;
12'd854 : mem_out_dec = 6'b000101;
12'd855 : mem_out_dec = 6'b000110;
12'd856 : mem_out_dec = 6'b000110;
12'd857 : mem_out_dec = 6'b000111;
12'd858 : mem_out_dec = 6'b001000;
12'd859 : mem_out_dec = 6'b001001;
12'd860 : mem_out_dec = 6'b001001;
12'd861 : mem_out_dec = 6'b001010;
12'd862 : mem_out_dec = 6'b001011;
12'd863 : mem_out_dec = 6'b001100;
12'd864 : mem_out_dec = 6'b001100;
12'd865 : mem_out_dec = 6'b001100;
12'd866 : mem_out_dec = 6'b001100;
12'd867 : mem_out_dec = 6'b001101;
12'd868 : mem_out_dec = 6'b001101;
12'd869 : mem_out_dec = 6'b001110;
12'd870 : mem_out_dec = 6'b001111;
12'd871 : mem_out_dec = 6'b001111;
12'd872 : mem_out_dec = 6'b001110;
12'd873 : mem_out_dec = 6'b001111;
12'd874 : mem_out_dec = 6'b001111;
12'd875 : mem_out_dec = 6'b010000;
12'd876 : mem_out_dec = 6'b010000;
12'd877 : mem_out_dec = 6'b010001;
12'd878 : mem_out_dec = 6'b010001;
12'd879 : mem_out_dec = 6'b010010;
12'd880 : mem_out_dec = 6'b010010;
12'd881 : mem_out_dec = 6'b010010;
12'd882 : mem_out_dec = 6'b010011;
12'd883 : mem_out_dec = 6'b010100;
12'd884 : mem_out_dec = 6'b010100;
12'd885 : mem_out_dec = 6'b010101;
12'd886 : mem_out_dec = 6'b010101;
12'd887 : mem_out_dec = 6'b010110;
12'd888 : mem_out_dec = 6'b010110;
12'd889 : mem_out_dec = 6'b010111;
12'd890 : mem_out_dec = 6'b011000;
12'd891 : mem_out_dec = 6'b011000;
12'd892 : mem_out_dec = 6'b011001;
12'd893 : mem_out_dec = 6'b011010;
12'd894 : mem_out_dec = 6'b011011;
12'd895 : mem_out_dec = 6'b011011;
12'd896 : mem_out_dec = 6'b111111;
12'd897 : mem_out_dec = 6'b111111;
12'd898 : mem_out_dec = 6'b111111;
12'd899 : mem_out_dec = 6'b111111;
12'd900 : mem_out_dec = 6'b111111;
12'd901 : mem_out_dec = 6'b111111;
12'd902 : mem_out_dec = 6'b111111;
12'd903 : mem_out_dec = 6'b111111;
12'd904 : mem_out_dec = 6'b111111;
12'd905 : mem_out_dec = 6'b111111;
12'd906 : mem_out_dec = 6'b111111;
12'd907 : mem_out_dec = 6'b111111;
12'd908 : mem_out_dec = 6'b111111;
12'd909 : mem_out_dec = 6'b111111;
12'd910 : mem_out_dec = 6'b111111;
12'd911 : mem_out_dec = 6'b111111;
12'd912 : mem_out_dec = 6'b111111;
12'd913 : mem_out_dec = 6'b111111;
12'd914 : mem_out_dec = 6'b111111;
12'd915 : mem_out_dec = 6'b111111;
12'd916 : mem_out_dec = 6'b000100;
12'd917 : mem_out_dec = 6'b000101;
12'd918 : mem_out_dec = 6'b000101;
12'd919 : mem_out_dec = 6'b000110;
12'd920 : mem_out_dec = 6'b000110;
12'd921 : mem_out_dec = 6'b000111;
12'd922 : mem_out_dec = 6'b001000;
12'd923 : mem_out_dec = 6'b001000;
12'd924 : mem_out_dec = 6'b001001;
12'd925 : mem_out_dec = 6'b001010;
12'd926 : mem_out_dec = 6'b001011;
12'd927 : mem_out_dec = 6'b001011;
12'd928 : mem_out_dec = 6'b001011;
12'd929 : mem_out_dec = 6'b001100;
12'd930 : mem_out_dec = 6'b001100;
12'd931 : mem_out_dec = 6'b001101;
12'd932 : mem_out_dec = 6'b001101;
12'd933 : mem_out_dec = 6'b001110;
12'd934 : mem_out_dec = 6'b001110;
12'd935 : mem_out_dec = 6'b001111;
12'd936 : mem_out_dec = 6'b001110;
12'd937 : mem_out_dec = 6'b001110;
12'd938 : mem_out_dec = 6'b001111;
12'd939 : mem_out_dec = 6'b001111;
12'd940 : mem_out_dec = 6'b010000;
12'd941 : mem_out_dec = 6'b010000;
12'd942 : mem_out_dec = 6'b010001;
12'd943 : mem_out_dec = 6'b010001;
12'd944 : mem_out_dec = 6'b010010;
12'd945 : mem_out_dec = 6'b010010;
12'd946 : mem_out_dec = 6'b010011;
12'd947 : mem_out_dec = 6'b010011;
12'd948 : mem_out_dec = 6'b010100;
12'd949 : mem_out_dec = 6'b010100;
12'd950 : mem_out_dec = 6'b010101;
12'd951 : mem_out_dec = 6'b010110;
12'd952 : mem_out_dec = 6'b010110;
12'd953 : mem_out_dec = 6'b010111;
12'd954 : mem_out_dec = 6'b010111;
12'd955 : mem_out_dec = 6'b011000;
12'd956 : mem_out_dec = 6'b011001;
12'd957 : mem_out_dec = 6'b011010;
12'd958 : mem_out_dec = 6'b011010;
12'd959 : mem_out_dec = 6'b011011;
12'd960 : mem_out_dec = 6'b111111;
12'd961 : mem_out_dec = 6'b111111;
12'd962 : mem_out_dec = 6'b111111;
12'd963 : mem_out_dec = 6'b111111;
12'd964 : mem_out_dec = 6'b111111;
12'd965 : mem_out_dec = 6'b111111;
12'd966 : mem_out_dec = 6'b111111;
12'd967 : mem_out_dec = 6'b111111;
12'd968 : mem_out_dec = 6'b111111;
12'd969 : mem_out_dec = 6'b111111;
12'd970 : mem_out_dec = 6'b111111;
12'd971 : mem_out_dec = 6'b111111;
12'd972 : mem_out_dec = 6'b111111;
12'd973 : mem_out_dec = 6'b111111;
12'd974 : mem_out_dec = 6'b111111;
12'd975 : mem_out_dec = 6'b111111;
12'd976 : mem_out_dec = 6'b111111;
12'd977 : mem_out_dec = 6'b111111;
12'd978 : mem_out_dec = 6'b111111;
12'd979 : mem_out_dec = 6'b111111;
12'd980 : mem_out_dec = 6'b111111;
12'd981 : mem_out_dec = 6'b000100;
12'd982 : mem_out_dec = 6'b000101;
12'd983 : mem_out_dec = 6'b000110;
12'd984 : mem_out_dec = 6'b000110;
12'd985 : mem_out_dec = 6'b000111;
12'd986 : mem_out_dec = 6'b000111;
12'd987 : mem_out_dec = 6'b001000;
12'd988 : mem_out_dec = 6'b001001;
12'd989 : mem_out_dec = 6'b001010;
12'd990 : mem_out_dec = 6'b001010;
12'd991 : mem_out_dec = 6'b001011;
12'd992 : mem_out_dec = 6'b001011;
12'd993 : mem_out_dec = 6'b001011;
12'd994 : mem_out_dec = 6'b001100;
12'd995 : mem_out_dec = 6'b001100;
12'd996 : mem_out_dec = 6'b001101;
12'd997 : mem_out_dec = 6'b001110;
12'd998 : mem_out_dec = 6'b001110;
12'd999 : mem_out_dec = 6'b001110;
12'd1000 : mem_out_dec = 6'b001101;
12'd1001 : mem_out_dec = 6'b001110;
12'd1002 : mem_out_dec = 6'b001110;
12'd1003 : mem_out_dec = 6'b001111;
12'd1004 : mem_out_dec = 6'b001111;
12'd1005 : mem_out_dec = 6'b010000;
12'd1006 : mem_out_dec = 6'b010000;
12'd1007 : mem_out_dec = 6'b010001;
12'd1008 : mem_out_dec = 6'b010001;
12'd1009 : mem_out_dec = 6'b010010;
12'd1010 : mem_out_dec = 6'b010011;
12'd1011 : mem_out_dec = 6'b010011;
12'd1012 : mem_out_dec = 6'b010100;
12'd1013 : mem_out_dec = 6'b010100;
12'd1014 : mem_out_dec = 6'b010101;
12'd1015 : mem_out_dec = 6'b010110;
12'd1016 : mem_out_dec = 6'b010110;
12'd1017 : mem_out_dec = 6'b010110;
12'd1018 : mem_out_dec = 6'b010111;
12'd1019 : mem_out_dec = 6'b011000;
12'd1020 : mem_out_dec = 6'b011001;
12'd1021 : mem_out_dec = 6'b011001;
12'd1022 : mem_out_dec = 6'b011010;
12'd1023 : mem_out_dec = 6'b011011;
12'd1024 : mem_out_dec = 6'b111111;
12'd1025 : mem_out_dec = 6'b111111;
12'd1026 : mem_out_dec = 6'b111111;
12'd1027 : mem_out_dec = 6'b111111;
12'd1028 : mem_out_dec = 6'b111111;
12'd1029 : mem_out_dec = 6'b111111;
12'd1030 : mem_out_dec = 6'b111111;
12'd1031 : mem_out_dec = 6'b111111;
12'd1032 : mem_out_dec = 6'b111111;
12'd1033 : mem_out_dec = 6'b111111;
12'd1034 : mem_out_dec = 6'b111111;
12'd1035 : mem_out_dec = 6'b111111;
12'd1036 : mem_out_dec = 6'b111111;
12'd1037 : mem_out_dec = 6'b111111;
12'd1038 : mem_out_dec = 6'b111111;
12'd1039 : mem_out_dec = 6'b111111;
12'd1040 : mem_out_dec = 6'b111111;
12'd1041 : mem_out_dec = 6'b111111;
12'd1042 : mem_out_dec = 6'b111111;
12'd1043 : mem_out_dec = 6'b111111;
12'd1044 : mem_out_dec = 6'b111111;
12'd1045 : mem_out_dec = 6'b111111;
12'd1046 : mem_out_dec = 6'b000100;
12'd1047 : mem_out_dec = 6'b000101;
12'd1048 : mem_out_dec = 6'b000101;
12'd1049 : mem_out_dec = 6'b000110;
12'd1050 : mem_out_dec = 6'b000110;
12'd1051 : mem_out_dec = 6'b000111;
12'd1052 : mem_out_dec = 6'b001000;
12'd1053 : mem_out_dec = 6'b001001;
12'd1054 : mem_out_dec = 6'b001001;
12'd1055 : mem_out_dec = 6'b001010;
12'd1056 : mem_out_dec = 6'b001010;
12'd1057 : mem_out_dec = 6'b001011;
12'd1058 : mem_out_dec = 6'b001011;
12'd1059 : mem_out_dec = 6'b001100;
12'd1060 : mem_out_dec = 6'b001100;
12'd1061 : mem_out_dec = 6'b001100;
12'd1062 : mem_out_dec = 6'b001100;
12'd1063 : mem_out_dec = 6'b001100;
12'd1064 : mem_out_dec = 6'b001100;
12'd1065 : mem_out_dec = 6'b001100;
12'd1066 : mem_out_dec = 6'b001101;
12'd1067 : mem_out_dec = 6'b001101;
12'd1068 : mem_out_dec = 6'b001110;
12'd1069 : mem_out_dec = 6'b001111;
12'd1070 : mem_out_dec = 6'b010000;
12'd1071 : mem_out_dec = 6'b010000;
12'd1072 : mem_out_dec = 6'b010001;
12'd1073 : mem_out_dec = 6'b010001;
12'd1074 : mem_out_dec = 6'b010010;
12'd1075 : mem_out_dec = 6'b010010;
12'd1076 : mem_out_dec = 6'b010011;
12'd1077 : mem_out_dec = 6'b010011;
12'd1078 : mem_out_dec = 6'b010100;
12'd1079 : mem_out_dec = 6'b010101;
12'd1080 : mem_out_dec = 6'b010101;
12'd1081 : mem_out_dec = 6'b010110;
12'd1082 : mem_out_dec = 6'b010110;
12'd1083 : mem_out_dec = 6'b010111;
12'd1084 : mem_out_dec = 6'b011000;
12'd1085 : mem_out_dec = 6'b011000;
12'd1086 : mem_out_dec = 6'b011001;
12'd1087 : mem_out_dec = 6'b011010;
12'd1088 : mem_out_dec = 6'b111111;
12'd1089 : mem_out_dec = 6'b111111;
12'd1090 : mem_out_dec = 6'b111111;
12'd1091 : mem_out_dec = 6'b111111;
12'd1092 : mem_out_dec = 6'b111111;
12'd1093 : mem_out_dec = 6'b111111;
12'd1094 : mem_out_dec = 6'b111111;
12'd1095 : mem_out_dec = 6'b111111;
12'd1096 : mem_out_dec = 6'b111111;
12'd1097 : mem_out_dec = 6'b111111;
12'd1098 : mem_out_dec = 6'b111111;
12'd1099 : mem_out_dec = 6'b111111;
12'd1100 : mem_out_dec = 6'b111111;
12'd1101 : mem_out_dec = 6'b111111;
12'd1102 : mem_out_dec = 6'b111111;
12'd1103 : mem_out_dec = 6'b111111;
12'd1104 : mem_out_dec = 6'b111111;
12'd1105 : mem_out_dec = 6'b111111;
12'd1106 : mem_out_dec = 6'b111111;
12'd1107 : mem_out_dec = 6'b111111;
12'd1108 : mem_out_dec = 6'b111111;
12'd1109 : mem_out_dec = 6'b111111;
12'd1110 : mem_out_dec = 6'b111111;
12'd1111 : mem_out_dec = 6'b000100;
12'd1112 : mem_out_dec = 6'b000100;
12'd1113 : mem_out_dec = 6'b000101;
12'd1114 : mem_out_dec = 6'b000110;
12'd1115 : mem_out_dec = 6'b000111;
12'd1116 : mem_out_dec = 6'b000111;
12'd1117 : mem_out_dec = 6'b001000;
12'd1118 : mem_out_dec = 6'b001001;
12'd1119 : mem_out_dec = 6'b001001;
12'd1120 : mem_out_dec = 6'b001010;
12'd1121 : mem_out_dec = 6'b001010;
12'd1122 : mem_out_dec = 6'b001011;
12'd1123 : mem_out_dec = 6'b001011;
12'd1124 : mem_out_dec = 6'b001011;
12'd1125 : mem_out_dec = 6'b001011;
12'd1126 : mem_out_dec = 6'b001011;
12'd1127 : mem_out_dec = 6'b001011;
12'd1128 : mem_out_dec = 6'b001011;
12'd1129 : mem_out_dec = 6'b001011;
12'd1130 : mem_out_dec = 6'b001100;
12'd1131 : mem_out_dec = 6'b001101;
12'd1132 : mem_out_dec = 6'b001110;
12'd1133 : mem_out_dec = 6'b001110;
12'd1134 : mem_out_dec = 6'b001111;
12'd1135 : mem_out_dec = 6'b010000;
12'd1136 : mem_out_dec = 6'b010000;
12'd1137 : mem_out_dec = 6'b010001;
12'd1138 : mem_out_dec = 6'b010001;
12'd1139 : mem_out_dec = 6'b010010;
12'd1140 : mem_out_dec = 6'b010010;
12'd1141 : mem_out_dec = 6'b010011;
12'd1142 : mem_out_dec = 6'b010100;
12'd1143 : mem_out_dec = 6'b010100;
12'd1144 : mem_out_dec = 6'b010100;
12'd1145 : mem_out_dec = 6'b010101;
12'd1146 : mem_out_dec = 6'b010110;
12'd1147 : mem_out_dec = 6'b010110;
12'd1148 : mem_out_dec = 6'b010111;
12'd1149 : mem_out_dec = 6'b011000;
12'd1150 : mem_out_dec = 6'b011000;
12'd1151 : mem_out_dec = 6'b011001;
12'd1152 : mem_out_dec = 6'b111111;
12'd1153 : mem_out_dec = 6'b111111;
12'd1154 : mem_out_dec = 6'b111111;
12'd1155 : mem_out_dec = 6'b111111;
12'd1156 : mem_out_dec = 6'b111111;
12'd1157 : mem_out_dec = 6'b111111;
12'd1158 : mem_out_dec = 6'b111111;
12'd1159 : mem_out_dec = 6'b111111;
12'd1160 : mem_out_dec = 6'b111111;
12'd1161 : mem_out_dec = 6'b111111;
12'd1162 : mem_out_dec = 6'b111111;
12'd1163 : mem_out_dec = 6'b111111;
12'd1164 : mem_out_dec = 6'b111111;
12'd1165 : mem_out_dec = 6'b111111;
12'd1166 : mem_out_dec = 6'b111111;
12'd1167 : mem_out_dec = 6'b111111;
12'd1168 : mem_out_dec = 6'b111111;
12'd1169 : mem_out_dec = 6'b111111;
12'd1170 : mem_out_dec = 6'b111111;
12'd1171 : mem_out_dec = 6'b111111;
12'd1172 : mem_out_dec = 6'b111111;
12'd1173 : mem_out_dec = 6'b111111;
12'd1174 : mem_out_dec = 6'b111111;
12'd1175 : mem_out_dec = 6'b111111;
12'd1176 : mem_out_dec = 6'b000100;
12'd1177 : mem_out_dec = 6'b000101;
12'd1178 : mem_out_dec = 6'b000101;
12'd1179 : mem_out_dec = 6'b000110;
12'd1180 : mem_out_dec = 6'b000111;
12'd1181 : mem_out_dec = 6'b000111;
12'd1182 : mem_out_dec = 6'b001000;
12'd1183 : mem_out_dec = 6'b001001;
12'd1184 : mem_out_dec = 6'b001001;
12'd1185 : mem_out_dec = 6'b001010;
12'd1186 : mem_out_dec = 6'b001010;
12'd1187 : mem_out_dec = 6'b001010;
12'd1188 : mem_out_dec = 6'b001010;
12'd1189 : mem_out_dec = 6'b001010;
12'd1190 : mem_out_dec = 6'b001010;
12'd1191 : mem_out_dec = 6'b001010;
12'd1192 : mem_out_dec = 6'b001010;
12'd1193 : mem_out_dec = 6'b001011;
12'd1194 : mem_out_dec = 6'b001100;
12'd1195 : mem_out_dec = 6'b001100;
12'd1196 : mem_out_dec = 6'b001101;
12'd1197 : mem_out_dec = 6'b001110;
12'd1198 : mem_out_dec = 6'b001111;
12'd1199 : mem_out_dec = 6'b010000;
12'd1200 : mem_out_dec = 6'b010000;
12'd1201 : mem_out_dec = 6'b010000;
12'd1202 : mem_out_dec = 6'b010001;
12'd1203 : mem_out_dec = 6'b010001;
12'd1204 : mem_out_dec = 6'b010010;
12'd1205 : mem_out_dec = 6'b010011;
12'd1206 : mem_out_dec = 6'b010011;
12'd1207 : mem_out_dec = 6'b010100;
12'd1208 : mem_out_dec = 6'b010100;
12'd1209 : mem_out_dec = 6'b010100;
12'd1210 : mem_out_dec = 6'b010101;
12'd1211 : mem_out_dec = 6'b010110;
12'd1212 : mem_out_dec = 6'b010110;
12'd1213 : mem_out_dec = 6'b010111;
12'd1214 : mem_out_dec = 6'b011000;
12'd1215 : mem_out_dec = 6'b011001;
12'd1216 : mem_out_dec = 6'b111111;
12'd1217 : mem_out_dec = 6'b111111;
12'd1218 : mem_out_dec = 6'b111111;
12'd1219 : mem_out_dec = 6'b111111;
12'd1220 : mem_out_dec = 6'b111111;
12'd1221 : mem_out_dec = 6'b111111;
12'd1222 : mem_out_dec = 6'b111111;
12'd1223 : mem_out_dec = 6'b111111;
12'd1224 : mem_out_dec = 6'b111111;
12'd1225 : mem_out_dec = 6'b111111;
12'd1226 : mem_out_dec = 6'b111111;
12'd1227 : mem_out_dec = 6'b111111;
12'd1228 : mem_out_dec = 6'b111111;
12'd1229 : mem_out_dec = 6'b111111;
12'd1230 : mem_out_dec = 6'b111111;
12'd1231 : mem_out_dec = 6'b111111;
12'd1232 : mem_out_dec = 6'b111111;
12'd1233 : mem_out_dec = 6'b111111;
12'd1234 : mem_out_dec = 6'b111111;
12'd1235 : mem_out_dec = 6'b111111;
12'd1236 : mem_out_dec = 6'b111111;
12'd1237 : mem_out_dec = 6'b111111;
12'd1238 : mem_out_dec = 6'b111111;
12'd1239 : mem_out_dec = 6'b111111;
12'd1240 : mem_out_dec = 6'b111111;
12'd1241 : mem_out_dec = 6'b000100;
12'd1242 : mem_out_dec = 6'b000100;
12'd1243 : mem_out_dec = 6'b000101;
12'd1244 : mem_out_dec = 6'b000110;
12'd1245 : mem_out_dec = 6'b000111;
12'd1246 : mem_out_dec = 6'b001000;
12'd1247 : mem_out_dec = 6'b001000;
12'd1248 : mem_out_dec = 6'b001001;
12'd1249 : mem_out_dec = 6'b001001;
12'd1250 : mem_out_dec = 6'b001001;
12'd1251 : mem_out_dec = 6'b001001;
12'd1252 : mem_out_dec = 6'b001001;
12'd1253 : mem_out_dec = 6'b001001;
12'd1254 : mem_out_dec = 6'b001001;
12'd1255 : mem_out_dec = 6'b001001;
12'd1256 : mem_out_dec = 6'b001010;
12'd1257 : mem_out_dec = 6'b001010;
12'd1258 : mem_out_dec = 6'b001011;
12'd1259 : mem_out_dec = 6'b001100;
12'd1260 : mem_out_dec = 6'b001101;
12'd1261 : mem_out_dec = 6'b001110;
12'd1262 : mem_out_dec = 6'b001110;
12'd1263 : mem_out_dec = 6'b001111;
12'd1264 : mem_out_dec = 6'b001111;
12'd1265 : mem_out_dec = 6'b010000;
12'd1266 : mem_out_dec = 6'b010000;
12'd1267 : mem_out_dec = 6'b010001;
12'd1268 : mem_out_dec = 6'b010001;
12'd1269 : mem_out_dec = 6'b010010;
12'd1270 : mem_out_dec = 6'b010011;
12'd1271 : mem_out_dec = 6'b010011;
12'd1272 : mem_out_dec = 6'b010011;
12'd1273 : mem_out_dec = 6'b010100;
12'd1274 : mem_out_dec = 6'b010100;
12'd1275 : mem_out_dec = 6'b010101;
12'd1276 : mem_out_dec = 6'b010110;
12'd1277 : mem_out_dec = 6'b010111;
12'd1278 : mem_out_dec = 6'b011000;
12'd1279 : mem_out_dec = 6'b011000;
12'd1280 : mem_out_dec = 6'b111111;
12'd1281 : mem_out_dec = 6'b111111;
12'd1282 : mem_out_dec = 6'b111111;
12'd1283 : mem_out_dec = 6'b111111;
12'd1284 : mem_out_dec = 6'b111111;
12'd1285 : mem_out_dec = 6'b111111;
12'd1286 : mem_out_dec = 6'b111111;
12'd1287 : mem_out_dec = 6'b111111;
12'd1288 : mem_out_dec = 6'b111111;
12'd1289 : mem_out_dec = 6'b111111;
12'd1290 : mem_out_dec = 6'b111111;
12'd1291 : mem_out_dec = 6'b111111;
12'd1292 : mem_out_dec = 6'b111111;
12'd1293 : mem_out_dec = 6'b111111;
12'd1294 : mem_out_dec = 6'b111111;
12'd1295 : mem_out_dec = 6'b111111;
12'd1296 : mem_out_dec = 6'b111111;
12'd1297 : mem_out_dec = 6'b111111;
12'd1298 : mem_out_dec = 6'b111111;
12'd1299 : mem_out_dec = 6'b111111;
12'd1300 : mem_out_dec = 6'b111111;
12'd1301 : mem_out_dec = 6'b111111;
12'd1302 : mem_out_dec = 6'b111111;
12'd1303 : mem_out_dec = 6'b111111;
12'd1304 : mem_out_dec = 6'b111111;
12'd1305 : mem_out_dec = 6'b111111;
12'd1306 : mem_out_dec = 6'b000100;
12'd1307 : mem_out_dec = 6'b000101;
12'd1308 : mem_out_dec = 6'b000110;
12'd1309 : mem_out_dec = 6'b000110;
12'd1310 : mem_out_dec = 6'b000111;
12'd1311 : mem_out_dec = 6'b001000;
12'd1312 : mem_out_dec = 6'b001000;
12'd1313 : mem_out_dec = 6'b001000;
12'd1314 : mem_out_dec = 6'b001000;
12'd1315 : mem_out_dec = 6'b001000;
12'd1316 : mem_out_dec = 6'b001000;
12'd1317 : mem_out_dec = 6'b001000;
12'd1318 : mem_out_dec = 6'b001000;
12'd1319 : mem_out_dec = 6'b001001;
12'd1320 : mem_out_dec = 6'b001001;
12'd1321 : mem_out_dec = 6'b001010;
12'd1322 : mem_out_dec = 6'b001011;
12'd1323 : mem_out_dec = 6'b001100;
12'd1324 : mem_out_dec = 6'b001100;
12'd1325 : mem_out_dec = 6'b001101;
12'd1326 : mem_out_dec = 6'b001110;
12'd1327 : mem_out_dec = 6'b001111;
12'd1328 : mem_out_dec = 6'b001111;
12'd1329 : mem_out_dec = 6'b001111;
12'd1330 : mem_out_dec = 6'b010000;
12'd1331 : mem_out_dec = 6'b010000;
12'd1332 : mem_out_dec = 6'b010001;
12'd1333 : mem_out_dec = 6'b010001;
12'd1334 : mem_out_dec = 6'b010010;
12'd1335 : mem_out_dec = 6'b010011;
12'd1336 : mem_out_dec = 6'b010010;
12'd1337 : mem_out_dec = 6'b010011;
12'd1338 : mem_out_dec = 6'b010100;
12'd1339 : mem_out_dec = 6'b010101;
12'd1340 : mem_out_dec = 6'b010110;
12'd1341 : mem_out_dec = 6'b010110;
12'd1342 : mem_out_dec = 6'b010111;
12'd1343 : mem_out_dec = 6'b011000;
12'd1344 : mem_out_dec = 6'b111111;
12'd1345 : mem_out_dec = 6'b111111;
12'd1346 : mem_out_dec = 6'b111111;
12'd1347 : mem_out_dec = 6'b111111;
12'd1348 : mem_out_dec = 6'b111111;
12'd1349 : mem_out_dec = 6'b111111;
12'd1350 : mem_out_dec = 6'b111111;
12'd1351 : mem_out_dec = 6'b111111;
12'd1352 : mem_out_dec = 6'b111111;
12'd1353 : mem_out_dec = 6'b111111;
12'd1354 : mem_out_dec = 6'b111111;
12'd1355 : mem_out_dec = 6'b111111;
12'd1356 : mem_out_dec = 6'b111111;
12'd1357 : mem_out_dec = 6'b111111;
12'd1358 : mem_out_dec = 6'b111111;
12'd1359 : mem_out_dec = 6'b111111;
12'd1360 : mem_out_dec = 6'b111111;
12'd1361 : mem_out_dec = 6'b111111;
12'd1362 : mem_out_dec = 6'b111111;
12'd1363 : mem_out_dec = 6'b111111;
12'd1364 : mem_out_dec = 6'b111111;
12'd1365 : mem_out_dec = 6'b111111;
12'd1366 : mem_out_dec = 6'b111111;
12'd1367 : mem_out_dec = 6'b111111;
12'd1368 : mem_out_dec = 6'b111111;
12'd1369 : mem_out_dec = 6'b111111;
12'd1370 : mem_out_dec = 6'b111111;
12'd1371 : mem_out_dec = 6'b000101;
12'd1372 : mem_out_dec = 6'b000101;
12'd1373 : mem_out_dec = 6'b000110;
12'd1374 : mem_out_dec = 6'b000111;
12'd1375 : mem_out_dec = 6'b001000;
12'd1376 : mem_out_dec = 6'b000111;
12'd1377 : mem_out_dec = 6'b000111;
12'd1378 : mem_out_dec = 6'b000111;
12'd1379 : mem_out_dec = 6'b000111;
12'd1380 : mem_out_dec = 6'b000111;
12'd1381 : mem_out_dec = 6'b000111;
12'd1382 : mem_out_dec = 6'b001000;
12'd1383 : mem_out_dec = 6'b001001;
12'd1384 : mem_out_dec = 6'b001001;
12'd1385 : mem_out_dec = 6'b001010;
12'd1386 : mem_out_dec = 6'b001010;
12'd1387 : mem_out_dec = 6'b001011;
12'd1388 : mem_out_dec = 6'b001100;
12'd1389 : mem_out_dec = 6'b001101;
12'd1390 : mem_out_dec = 6'b001110;
12'd1391 : mem_out_dec = 6'b001110;
12'd1392 : mem_out_dec = 6'b001111;
12'd1393 : mem_out_dec = 6'b001111;
12'd1394 : mem_out_dec = 6'b010000;
12'd1395 : mem_out_dec = 6'b010000;
12'd1396 : mem_out_dec = 6'b010001;
12'd1397 : mem_out_dec = 6'b010001;
12'd1398 : mem_out_dec = 6'b010010;
12'd1399 : mem_out_dec = 6'b010010;
12'd1400 : mem_out_dec = 6'b010010;
12'd1401 : mem_out_dec = 6'b010011;
12'd1402 : mem_out_dec = 6'b010100;
12'd1403 : mem_out_dec = 6'b010100;
12'd1404 : mem_out_dec = 6'b010101;
12'd1405 : mem_out_dec = 6'b010110;
12'd1406 : mem_out_dec = 6'b010111;
12'd1407 : mem_out_dec = 6'b010111;
12'd1408 : mem_out_dec = 6'b111111;
12'd1409 : mem_out_dec = 6'b111111;
12'd1410 : mem_out_dec = 6'b111111;
12'd1411 : mem_out_dec = 6'b111111;
12'd1412 : mem_out_dec = 6'b111111;
12'd1413 : mem_out_dec = 6'b111111;
12'd1414 : mem_out_dec = 6'b111111;
12'd1415 : mem_out_dec = 6'b111111;
12'd1416 : mem_out_dec = 6'b111111;
12'd1417 : mem_out_dec = 6'b111111;
12'd1418 : mem_out_dec = 6'b111111;
12'd1419 : mem_out_dec = 6'b111111;
12'd1420 : mem_out_dec = 6'b111111;
12'd1421 : mem_out_dec = 6'b111111;
12'd1422 : mem_out_dec = 6'b111111;
12'd1423 : mem_out_dec = 6'b111111;
12'd1424 : mem_out_dec = 6'b111111;
12'd1425 : mem_out_dec = 6'b111111;
12'd1426 : mem_out_dec = 6'b111111;
12'd1427 : mem_out_dec = 6'b111111;
12'd1428 : mem_out_dec = 6'b111111;
12'd1429 : mem_out_dec = 6'b111111;
12'd1430 : mem_out_dec = 6'b111111;
12'd1431 : mem_out_dec = 6'b111111;
12'd1432 : mem_out_dec = 6'b111111;
12'd1433 : mem_out_dec = 6'b111111;
12'd1434 : mem_out_dec = 6'b111111;
12'd1435 : mem_out_dec = 6'b111111;
12'd1436 : mem_out_dec = 6'b000101;
12'd1437 : mem_out_dec = 6'b000110;
12'd1438 : mem_out_dec = 6'b000111;
12'd1439 : mem_out_dec = 6'b000111;
12'd1440 : mem_out_dec = 6'b000110;
12'd1441 : mem_out_dec = 6'b000110;
12'd1442 : mem_out_dec = 6'b000110;
12'd1443 : mem_out_dec = 6'b000110;
12'd1444 : mem_out_dec = 6'b000110;
12'd1445 : mem_out_dec = 6'b000111;
12'd1446 : mem_out_dec = 6'b000111;
12'd1447 : mem_out_dec = 6'b001000;
12'd1448 : mem_out_dec = 6'b001001;
12'd1449 : mem_out_dec = 6'b001001;
12'd1450 : mem_out_dec = 6'b001010;
12'd1451 : mem_out_dec = 6'b001011;
12'd1452 : mem_out_dec = 6'b001100;
12'd1453 : mem_out_dec = 6'b001100;
12'd1454 : mem_out_dec = 6'b001101;
12'd1455 : mem_out_dec = 6'b001110;
12'd1456 : mem_out_dec = 6'b001110;
12'd1457 : mem_out_dec = 6'b001111;
12'd1458 : mem_out_dec = 6'b001111;
12'd1459 : mem_out_dec = 6'b010000;
12'd1460 : mem_out_dec = 6'b010000;
12'd1461 : mem_out_dec = 6'b010001;
12'd1462 : mem_out_dec = 6'b010001;
12'd1463 : mem_out_dec = 6'b010010;
12'd1464 : mem_out_dec = 6'b010010;
12'd1465 : mem_out_dec = 6'b010011;
12'd1466 : mem_out_dec = 6'b010011;
12'd1467 : mem_out_dec = 6'b010100;
12'd1468 : mem_out_dec = 6'b010101;
12'd1469 : mem_out_dec = 6'b010110;
12'd1470 : mem_out_dec = 6'b010110;
12'd1471 : mem_out_dec = 6'b010111;
12'd1472 : mem_out_dec = 6'b111111;
12'd1473 : mem_out_dec = 6'b111111;
12'd1474 : mem_out_dec = 6'b111111;
12'd1475 : mem_out_dec = 6'b111111;
12'd1476 : mem_out_dec = 6'b111111;
12'd1477 : mem_out_dec = 6'b111111;
12'd1478 : mem_out_dec = 6'b111111;
12'd1479 : mem_out_dec = 6'b111111;
12'd1480 : mem_out_dec = 6'b111111;
12'd1481 : mem_out_dec = 6'b111111;
12'd1482 : mem_out_dec = 6'b111111;
12'd1483 : mem_out_dec = 6'b111111;
12'd1484 : mem_out_dec = 6'b111111;
12'd1485 : mem_out_dec = 6'b111111;
12'd1486 : mem_out_dec = 6'b111111;
12'd1487 : mem_out_dec = 6'b111111;
12'd1488 : mem_out_dec = 6'b111111;
12'd1489 : mem_out_dec = 6'b111111;
12'd1490 : mem_out_dec = 6'b111111;
12'd1491 : mem_out_dec = 6'b111111;
12'd1492 : mem_out_dec = 6'b111111;
12'd1493 : mem_out_dec = 6'b111111;
12'd1494 : mem_out_dec = 6'b111111;
12'd1495 : mem_out_dec = 6'b111111;
12'd1496 : mem_out_dec = 6'b111111;
12'd1497 : mem_out_dec = 6'b111111;
12'd1498 : mem_out_dec = 6'b111111;
12'd1499 : mem_out_dec = 6'b111111;
12'd1500 : mem_out_dec = 6'b111111;
12'd1501 : mem_out_dec = 6'b000101;
12'd1502 : mem_out_dec = 6'b000110;
12'd1503 : mem_out_dec = 6'b000110;
12'd1504 : mem_out_dec = 6'b000110;
12'd1505 : mem_out_dec = 6'b000110;
12'd1506 : mem_out_dec = 6'b000101;
12'd1507 : mem_out_dec = 6'b000101;
12'd1508 : mem_out_dec = 6'b000110;
12'd1509 : mem_out_dec = 6'b000111;
12'd1510 : mem_out_dec = 6'b000111;
12'd1511 : mem_out_dec = 6'b001000;
12'd1512 : mem_out_dec = 6'b001000;
12'd1513 : mem_out_dec = 6'b001001;
12'd1514 : mem_out_dec = 6'b001010;
12'd1515 : mem_out_dec = 6'b001011;
12'd1516 : mem_out_dec = 6'b001011;
12'd1517 : mem_out_dec = 6'b001100;
12'd1518 : mem_out_dec = 6'b001101;
12'd1519 : mem_out_dec = 6'b001110;
12'd1520 : mem_out_dec = 6'b001110;
12'd1521 : mem_out_dec = 6'b001110;
12'd1522 : mem_out_dec = 6'b001111;
12'd1523 : mem_out_dec = 6'b001111;
12'd1524 : mem_out_dec = 6'b010000;
12'd1525 : mem_out_dec = 6'b010000;
12'd1526 : mem_out_dec = 6'b010001;
12'd1527 : mem_out_dec = 6'b010001;
12'd1528 : mem_out_dec = 6'b010001;
12'd1529 : mem_out_dec = 6'b010010;
12'd1530 : mem_out_dec = 6'b010011;
12'd1531 : mem_out_dec = 6'b010100;
12'd1532 : mem_out_dec = 6'b010101;
12'd1533 : mem_out_dec = 6'b010101;
12'd1534 : mem_out_dec = 6'b010110;
12'd1535 : mem_out_dec = 6'b010110;
12'd1536 : mem_out_dec = 6'b111111;
12'd1537 : mem_out_dec = 6'b111111;
12'd1538 : mem_out_dec = 6'b111111;
12'd1539 : mem_out_dec = 6'b111111;
12'd1540 : mem_out_dec = 6'b111111;
12'd1541 : mem_out_dec = 6'b111111;
12'd1542 : mem_out_dec = 6'b111111;
12'd1543 : mem_out_dec = 6'b111111;
12'd1544 : mem_out_dec = 6'b111111;
12'd1545 : mem_out_dec = 6'b111111;
12'd1546 : mem_out_dec = 6'b111111;
12'd1547 : mem_out_dec = 6'b111111;
12'd1548 : mem_out_dec = 6'b111111;
12'd1549 : mem_out_dec = 6'b111111;
12'd1550 : mem_out_dec = 6'b111111;
12'd1551 : mem_out_dec = 6'b111111;
12'd1552 : mem_out_dec = 6'b111111;
12'd1553 : mem_out_dec = 6'b111111;
12'd1554 : mem_out_dec = 6'b111111;
12'd1555 : mem_out_dec = 6'b111111;
12'd1556 : mem_out_dec = 6'b111111;
12'd1557 : mem_out_dec = 6'b111111;
12'd1558 : mem_out_dec = 6'b111111;
12'd1559 : mem_out_dec = 6'b111111;
12'd1560 : mem_out_dec = 6'b111111;
12'd1561 : mem_out_dec = 6'b111111;
12'd1562 : mem_out_dec = 6'b111111;
12'd1563 : mem_out_dec = 6'b111111;
12'd1564 : mem_out_dec = 6'b111111;
12'd1565 : mem_out_dec = 6'b111111;
12'd1566 : mem_out_dec = 6'b000100;
12'd1567 : mem_out_dec = 6'b000100;
12'd1568 : mem_out_dec = 6'b000100;
12'd1569 : mem_out_dec = 6'b000100;
12'd1570 : mem_out_dec = 6'b000100;
12'd1571 : mem_out_dec = 6'b000101;
12'd1572 : mem_out_dec = 6'b000101;
12'd1573 : mem_out_dec = 6'b000110;
12'd1574 : mem_out_dec = 6'b000111;
12'd1575 : mem_out_dec = 6'b000111;
12'd1576 : mem_out_dec = 6'b000111;
12'd1577 : mem_out_dec = 6'b001000;
12'd1578 : mem_out_dec = 6'b001001;
12'd1579 : mem_out_dec = 6'b001010;
12'd1580 : mem_out_dec = 6'b001010;
12'd1581 : mem_out_dec = 6'b001011;
12'd1582 : mem_out_dec = 6'b001100;
12'd1583 : mem_out_dec = 6'b001101;
12'd1584 : mem_out_dec = 6'b001101;
12'd1585 : mem_out_dec = 6'b001101;
12'd1586 : mem_out_dec = 6'b001110;
12'd1587 : mem_out_dec = 6'b001110;
12'd1588 : mem_out_dec = 6'b001111;
12'd1589 : mem_out_dec = 6'b001111;
12'd1590 : mem_out_dec = 6'b010000;
12'd1591 : mem_out_dec = 6'b010001;
12'd1592 : mem_out_dec = 6'b010001;
12'd1593 : mem_out_dec = 6'b010001;
12'd1594 : mem_out_dec = 6'b010010;
12'd1595 : mem_out_dec = 6'b010010;
12'd1596 : mem_out_dec = 6'b010011;
12'd1597 : mem_out_dec = 6'b010011;
12'd1598 : mem_out_dec = 6'b010100;
12'd1599 : mem_out_dec = 6'b010100;
12'd1600 : mem_out_dec = 6'b111111;
12'd1601 : mem_out_dec = 6'b111111;
12'd1602 : mem_out_dec = 6'b111111;
12'd1603 : mem_out_dec = 6'b111111;
12'd1604 : mem_out_dec = 6'b111111;
12'd1605 : mem_out_dec = 6'b111111;
12'd1606 : mem_out_dec = 6'b111111;
12'd1607 : mem_out_dec = 6'b111111;
12'd1608 : mem_out_dec = 6'b111111;
12'd1609 : mem_out_dec = 6'b111111;
12'd1610 : mem_out_dec = 6'b111111;
12'd1611 : mem_out_dec = 6'b111111;
12'd1612 : mem_out_dec = 6'b111111;
12'd1613 : mem_out_dec = 6'b111111;
12'd1614 : mem_out_dec = 6'b111111;
12'd1615 : mem_out_dec = 6'b111111;
12'd1616 : mem_out_dec = 6'b111111;
12'd1617 : mem_out_dec = 6'b111111;
12'd1618 : mem_out_dec = 6'b111111;
12'd1619 : mem_out_dec = 6'b111111;
12'd1620 : mem_out_dec = 6'b111111;
12'd1621 : mem_out_dec = 6'b111111;
12'd1622 : mem_out_dec = 6'b111111;
12'd1623 : mem_out_dec = 6'b111111;
12'd1624 : mem_out_dec = 6'b111111;
12'd1625 : mem_out_dec = 6'b111111;
12'd1626 : mem_out_dec = 6'b111111;
12'd1627 : mem_out_dec = 6'b111111;
12'd1628 : mem_out_dec = 6'b111111;
12'd1629 : mem_out_dec = 6'b111111;
12'd1630 : mem_out_dec = 6'b111111;
12'd1631 : mem_out_dec = 6'b000100;
12'd1632 : mem_out_dec = 6'b000011;
12'd1633 : mem_out_dec = 6'b000011;
12'd1634 : mem_out_dec = 6'b000100;
12'd1635 : mem_out_dec = 6'b000100;
12'd1636 : mem_out_dec = 6'b000101;
12'd1637 : mem_out_dec = 6'b000110;
12'd1638 : mem_out_dec = 6'b000110;
12'd1639 : mem_out_dec = 6'b000111;
12'd1640 : mem_out_dec = 6'b000111;
12'd1641 : mem_out_dec = 6'b001000;
12'd1642 : mem_out_dec = 6'b001001;
12'd1643 : mem_out_dec = 6'b001001;
12'd1644 : mem_out_dec = 6'b001010;
12'd1645 : mem_out_dec = 6'b001011;
12'd1646 : mem_out_dec = 6'b001100;
12'd1647 : mem_out_dec = 6'b001101;
12'd1648 : mem_out_dec = 6'b001101;
12'd1649 : mem_out_dec = 6'b001101;
12'd1650 : mem_out_dec = 6'b001110;
12'd1651 : mem_out_dec = 6'b001110;
12'd1652 : mem_out_dec = 6'b001110;
12'd1653 : mem_out_dec = 6'b001111;
12'd1654 : mem_out_dec = 6'b010000;
12'd1655 : mem_out_dec = 6'b010000;
12'd1656 : mem_out_dec = 6'b010001;
12'd1657 : mem_out_dec = 6'b010001;
12'd1658 : mem_out_dec = 6'b010001;
12'd1659 : mem_out_dec = 6'b010010;
12'd1660 : mem_out_dec = 6'b010010;
12'd1661 : mem_out_dec = 6'b010011;
12'd1662 : mem_out_dec = 6'b010011;
12'd1663 : mem_out_dec = 6'b010100;
12'd1664 : mem_out_dec = 6'b111111;
12'd1665 : mem_out_dec = 6'b111111;
12'd1666 : mem_out_dec = 6'b111111;
12'd1667 : mem_out_dec = 6'b111111;
12'd1668 : mem_out_dec = 6'b111111;
12'd1669 : mem_out_dec = 6'b111111;
12'd1670 : mem_out_dec = 6'b111111;
12'd1671 : mem_out_dec = 6'b111111;
12'd1672 : mem_out_dec = 6'b111111;
12'd1673 : mem_out_dec = 6'b111111;
12'd1674 : mem_out_dec = 6'b111111;
12'd1675 : mem_out_dec = 6'b111111;
12'd1676 : mem_out_dec = 6'b111111;
12'd1677 : mem_out_dec = 6'b111111;
12'd1678 : mem_out_dec = 6'b111111;
12'd1679 : mem_out_dec = 6'b111111;
12'd1680 : mem_out_dec = 6'b111111;
12'd1681 : mem_out_dec = 6'b111111;
12'd1682 : mem_out_dec = 6'b111111;
12'd1683 : mem_out_dec = 6'b111111;
12'd1684 : mem_out_dec = 6'b111111;
12'd1685 : mem_out_dec = 6'b111111;
12'd1686 : mem_out_dec = 6'b111111;
12'd1687 : mem_out_dec = 6'b111111;
12'd1688 : mem_out_dec = 6'b111111;
12'd1689 : mem_out_dec = 6'b111111;
12'd1690 : mem_out_dec = 6'b111111;
12'd1691 : mem_out_dec = 6'b111111;
12'd1692 : mem_out_dec = 6'b111111;
12'd1693 : mem_out_dec = 6'b111111;
12'd1694 : mem_out_dec = 6'b111111;
12'd1695 : mem_out_dec = 6'b111111;
12'd1696 : mem_out_dec = 6'b000011;
12'd1697 : mem_out_dec = 6'b000011;
12'd1698 : mem_out_dec = 6'b000100;
12'd1699 : mem_out_dec = 6'b000100;
12'd1700 : mem_out_dec = 6'b000101;
12'd1701 : mem_out_dec = 6'b000101;
12'd1702 : mem_out_dec = 6'b000110;
12'd1703 : mem_out_dec = 6'b000111;
12'd1704 : mem_out_dec = 6'b000111;
12'd1705 : mem_out_dec = 6'b001000;
12'd1706 : mem_out_dec = 6'b001000;
12'd1707 : mem_out_dec = 6'b001001;
12'd1708 : mem_out_dec = 6'b001010;
12'd1709 : mem_out_dec = 6'b001011;
12'd1710 : mem_out_dec = 6'b001100;
12'd1711 : mem_out_dec = 6'b001100;
12'd1712 : mem_out_dec = 6'b001100;
12'd1713 : mem_out_dec = 6'b001101;
12'd1714 : mem_out_dec = 6'b001101;
12'd1715 : mem_out_dec = 6'b001110;
12'd1716 : mem_out_dec = 6'b001110;
12'd1717 : mem_out_dec = 6'b001111;
12'd1718 : mem_out_dec = 6'b001111;
12'd1719 : mem_out_dec = 6'b010000;
12'd1720 : mem_out_dec = 6'b010000;
12'd1721 : mem_out_dec = 6'b010000;
12'd1722 : mem_out_dec = 6'b010001;
12'd1723 : mem_out_dec = 6'b010001;
12'd1724 : mem_out_dec = 6'b010010;
12'd1725 : mem_out_dec = 6'b010010;
12'd1726 : mem_out_dec = 6'b010011;
12'd1727 : mem_out_dec = 6'b010011;
12'd1728 : mem_out_dec = 6'b111111;
12'd1729 : mem_out_dec = 6'b111111;
12'd1730 : mem_out_dec = 6'b111111;
12'd1731 : mem_out_dec = 6'b111111;
12'd1732 : mem_out_dec = 6'b111111;
12'd1733 : mem_out_dec = 6'b111111;
12'd1734 : mem_out_dec = 6'b111111;
12'd1735 : mem_out_dec = 6'b111111;
12'd1736 : mem_out_dec = 6'b111111;
12'd1737 : mem_out_dec = 6'b111111;
12'd1738 : mem_out_dec = 6'b111111;
12'd1739 : mem_out_dec = 6'b111111;
12'd1740 : mem_out_dec = 6'b111111;
12'd1741 : mem_out_dec = 6'b111111;
12'd1742 : mem_out_dec = 6'b111111;
12'd1743 : mem_out_dec = 6'b111111;
12'd1744 : mem_out_dec = 6'b111111;
12'd1745 : mem_out_dec = 6'b111111;
12'd1746 : mem_out_dec = 6'b111111;
12'd1747 : mem_out_dec = 6'b111111;
12'd1748 : mem_out_dec = 6'b111111;
12'd1749 : mem_out_dec = 6'b111111;
12'd1750 : mem_out_dec = 6'b111111;
12'd1751 : mem_out_dec = 6'b111111;
12'd1752 : mem_out_dec = 6'b111111;
12'd1753 : mem_out_dec = 6'b111111;
12'd1754 : mem_out_dec = 6'b111111;
12'd1755 : mem_out_dec = 6'b111111;
12'd1756 : mem_out_dec = 6'b111111;
12'd1757 : mem_out_dec = 6'b111111;
12'd1758 : mem_out_dec = 6'b111111;
12'd1759 : mem_out_dec = 6'b111111;
12'd1760 : mem_out_dec = 6'b111111;
12'd1761 : mem_out_dec = 6'b000011;
12'd1762 : mem_out_dec = 6'b000011;
12'd1763 : mem_out_dec = 6'b000100;
12'd1764 : mem_out_dec = 6'b000101;
12'd1765 : mem_out_dec = 6'b000101;
12'd1766 : mem_out_dec = 6'b000110;
12'd1767 : mem_out_dec = 6'b000111;
12'd1768 : mem_out_dec = 6'b000111;
12'd1769 : mem_out_dec = 6'b000111;
12'd1770 : mem_out_dec = 6'b001000;
12'd1771 : mem_out_dec = 6'b001001;
12'd1772 : mem_out_dec = 6'b001010;
12'd1773 : mem_out_dec = 6'b001011;
12'd1774 : mem_out_dec = 6'b001011;
12'd1775 : mem_out_dec = 6'b001100;
12'd1776 : mem_out_dec = 6'b001100;
12'd1777 : mem_out_dec = 6'b001101;
12'd1778 : mem_out_dec = 6'b001101;
12'd1779 : mem_out_dec = 6'b001101;
12'd1780 : mem_out_dec = 6'b001110;
12'd1781 : mem_out_dec = 6'b001111;
12'd1782 : mem_out_dec = 6'b001111;
12'd1783 : mem_out_dec = 6'b010000;
12'd1784 : mem_out_dec = 6'b010000;
12'd1785 : mem_out_dec = 6'b010000;
12'd1786 : mem_out_dec = 6'b010000;
12'd1787 : mem_out_dec = 6'b010001;
12'd1788 : mem_out_dec = 6'b010001;
12'd1789 : mem_out_dec = 6'b010010;
12'd1790 : mem_out_dec = 6'b010010;
12'd1791 : mem_out_dec = 6'b010011;
12'd1792 : mem_out_dec = 6'b111111;
12'd1793 : mem_out_dec = 6'b111111;
12'd1794 : mem_out_dec = 6'b111111;
12'd1795 : mem_out_dec = 6'b111111;
12'd1796 : mem_out_dec = 6'b111111;
12'd1797 : mem_out_dec = 6'b111111;
12'd1798 : mem_out_dec = 6'b111111;
12'd1799 : mem_out_dec = 6'b111111;
12'd1800 : mem_out_dec = 6'b111111;
12'd1801 : mem_out_dec = 6'b111111;
12'd1802 : mem_out_dec = 6'b111111;
12'd1803 : mem_out_dec = 6'b111111;
12'd1804 : mem_out_dec = 6'b111111;
12'd1805 : mem_out_dec = 6'b111111;
12'd1806 : mem_out_dec = 6'b111111;
12'd1807 : mem_out_dec = 6'b111111;
12'd1808 : mem_out_dec = 6'b111111;
12'd1809 : mem_out_dec = 6'b111111;
12'd1810 : mem_out_dec = 6'b111111;
12'd1811 : mem_out_dec = 6'b111111;
12'd1812 : mem_out_dec = 6'b111111;
12'd1813 : mem_out_dec = 6'b111111;
12'd1814 : mem_out_dec = 6'b111111;
12'd1815 : mem_out_dec = 6'b111111;
12'd1816 : mem_out_dec = 6'b111111;
12'd1817 : mem_out_dec = 6'b111111;
12'd1818 : mem_out_dec = 6'b111111;
12'd1819 : mem_out_dec = 6'b111111;
12'd1820 : mem_out_dec = 6'b111111;
12'd1821 : mem_out_dec = 6'b111111;
12'd1822 : mem_out_dec = 6'b111111;
12'd1823 : mem_out_dec = 6'b111111;
12'd1824 : mem_out_dec = 6'b111111;
12'd1825 : mem_out_dec = 6'b111111;
12'd1826 : mem_out_dec = 6'b000011;
12'd1827 : mem_out_dec = 6'b000100;
12'd1828 : mem_out_dec = 6'b000100;
12'd1829 : mem_out_dec = 6'b000101;
12'd1830 : mem_out_dec = 6'b000110;
12'd1831 : mem_out_dec = 6'b000110;
12'd1832 : mem_out_dec = 6'b000110;
12'd1833 : mem_out_dec = 6'b000111;
12'd1834 : mem_out_dec = 6'b001000;
12'd1835 : mem_out_dec = 6'b001001;
12'd1836 : mem_out_dec = 6'b001010;
12'd1837 : mem_out_dec = 6'b001010;
12'd1838 : mem_out_dec = 6'b001011;
12'd1839 : mem_out_dec = 6'b001100;
12'd1840 : mem_out_dec = 6'b001100;
12'd1841 : mem_out_dec = 6'b001100;
12'd1842 : mem_out_dec = 6'b001101;
12'd1843 : mem_out_dec = 6'b001101;
12'd1844 : mem_out_dec = 6'b001110;
12'd1845 : mem_out_dec = 6'b001110;
12'd1846 : mem_out_dec = 6'b001111;
12'd1847 : mem_out_dec = 6'b010000;
12'd1848 : mem_out_dec = 6'b001111;
12'd1849 : mem_out_dec = 6'b001111;
12'd1850 : mem_out_dec = 6'b010000;
12'd1851 : mem_out_dec = 6'b010000;
12'd1852 : mem_out_dec = 6'b010001;
12'd1853 : mem_out_dec = 6'b010001;
12'd1854 : mem_out_dec = 6'b010010;
12'd1855 : mem_out_dec = 6'b010010;
12'd1856 : mem_out_dec = 6'b111111;
12'd1857 : mem_out_dec = 6'b111111;
12'd1858 : mem_out_dec = 6'b111111;
12'd1859 : mem_out_dec = 6'b111111;
12'd1860 : mem_out_dec = 6'b111111;
12'd1861 : mem_out_dec = 6'b111111;
12'd1862 : mem_out_dec = 6'b111111;
12'd1863 : mem_out_dec = 6'b111111;
12'd1864 : mem_out_dec = 6'b111111;
12'd1865 : mem_out_dec = 6'b111111;
12'd1866 : mem_out_dec = 6'b111111;
12'd1867 : mem_out_dec = 6'b111111;
12'd1868 : mem_out_dec = 6'b111111;
12'd1869 : mem_out_dec = 6'b111111;
12'd1870 : mem_out_dec = 6'b111111;
12'd1871 : mem_out_dec = 6'b111111;
12'd1872 : mem_out_dec = 6'b111111;
12'd1873 : mem_out_dec = 6'b111111;
12'd1874 : mem_out_dec = 6'b111111;
12'd1875 : mem_out_dec = 6'b111111;
12'd1876 : mem_out_dec = 6'b111111;
12'd1877 : mem_out_dec = 6'b111111;
12'd1878 : mem_out_dec = 6'b111111;
12'd1879 : mem_out_dec = 6'b111111;
12'd1880 : mem_out_dec = 6'b111111;
12'd1881 : mem_out_dec = 6'b111111;
12'd1882 : mem_out_dec = 6'b111111;
12'd1883 : mem_out_dec = 6'b111111;
12'd1884 : mem_out_dec = 6'b111111;
12'd1885 : mem_out_dec = 6'b111111;
12'd1886 : mem_out_dec = 6'b111111;
12'd1887 : mem_out_dec = 6'b111111;
12'd1888 : mem_out_dec = 6'b111111;
12'd1889 : mem_out_dec = 6'b111111;
12'd1890 : mem_out_dec = 6'b111111;
12'd1891 : mem_out_dec = 6'b000100;
12'd1892 : mem_out_dec = 6'b000100;
12'd1893 : mem_out_dec = 6'b000101;
12'd1894 : mem_out_dec = 6'b000101;
12'd1895 : mem_out_dec = 6'b000110;
12'd1896 : mem_out_dec = 6'b000110;
12'd1897 : mem_out_dec = 6'b000111;
12'd1898 : mem_out_dec = 6'b001000;
12'd1899 : mem_out_dec = 6'b001001;
12'd1900 : mem_out_dec = 6'b001001;
12'd1901 : mem_out_dec = 6'b001010;
12'd1902 : mem_out_dec = 6'b001011;
12'd1903 : mem_out_dec = 6'b001100;
12'd1904 : mem_out_dec = 6'b001100;
12'd1905 : mem_out_dec = 6'b001100;
12'd1906 : mem_out_dec = 6'b001100;
12'd1907 : mem_out_dec = 6'b001101;
12'd1908 : mem_out_dec = 6'b001110;
12'd1909 : mem_out_dec = 6'b001110;
12'd1910 : mem_out_dec = 6'b001111;
12'd1911 : mem_out_dec = 6'b001111;
12'd1912 : mem_out_dec = 6'b001111;
12'd1913 : mem_out_dec = 6'b001111;
12'd1914 : mem_out_dec = 6'b001111;
12'd1915 : mem_out_dec = 6'b010000;
12'd1916 : mem_out_dec = 6'b010000;
12'd1917 : mem_out_dec = 6'b010001;
12'd1918 : mem_out_dec = 6'b010001;
12'd1919 : mem_out_dec = 6'b010010;
12'd1920 : mem_out_dec = 6'b111111;
12'd1921 : mem_out_dec = 6'b111111;
12'd1922 : mem_out_dec = 6'b111111;
12'd1923 : mem_out_dec = 6'b111111;
12'd1924 : mem_out_dec = 6'b111111;
12'd1925 : mem_out_dec = 6'b111111;
12'd1926 : mem_out_dec = 6'b111111;
12'd1927 : mem_out_dec = 6'b111111;
12'd1928 : mem_out_dec = 6'b111111;
12'd1929 : mem_out_dec = 6'b111111;
12'd1930 : mem_out_dec = 6'b111111;
12'd1931 : mem_out_dec = 6'b111111;
12'd1932 : mem_out_dec = 6'b111111;
12'd1933 : mem_out_dec = 6'b111111;
12'd1934 : mem_out_dec = 6'b111111;
12'd1935 : mem_out_dec = 6'b111111;
12'd1936 : mem_out_dec = 6'b111111;
12'd1937 : mem_out_dec = 6'b111111;
12'd1938 : mem_out_dec = 6'b111111;
12'd1939 : mem_out_dec = 6'b111111;
12'd1940 : mem_out_dec = 6'b111111;
12'd1941 : mem_out_dec = 6'b111111;
12'd1942 : mem_out_dec = 6'b111111;
12'd1943 : mem_out_dec = 6'b111111;
12'd1944 : mem_out_dec = 6'b111111;
12'd1945 : mem_out_dec = 6'b111111;
12'd1946 : mem_out_dec = 6'b111111;
12'd1947 : mem_out_dec = 6'b111111;
12'd1948 : mem_out_dec = 6'b111111;
12'd1949 : mem_out_dec = 6'b111111;
12'd1950 : mem_out_dec = 6'b111111;
12'd1951 : mem_out_dec = 6'b111111;
12'd1952 : mem_out_dec = 6'b111111;
12'd1953 : mem_out_dec = 6'b111111;
12'd1954 : mem_out_dec = 6'b111111;
12'd1955 : mem_out_dec = 6'b111111;
12'd1956 : mem_out_dec = 6'b000100;
12'd1957 : mem_out_dec = 6'b000101;
12'd1958 : mem_out_dec = 6'b000101;
12'd1959 : mem_out_dec = 6'b000110;
12'd1960 : mem_out_dec = 6'b000110;
12'd1961 : mem_out_dec = 6'b000111;
12'd1962 : mem_out_dec = 6'b001000;
12'd1963 : mem_out_dec = 6'b001000;
12'd1964 : mem_out_dec = 6'b001001;
12'd1965 : mem_out_dec = 6'b001010;
12'd1966 : mem_out_dec = 6'b001011;
12'd1967 : mem_out_dec = 6'b001011;
12'd1968 : mem_out_dec = 6'b001011;
12'd1969 : mem_out_dec = 6'b001100;
12'd1970 : mem_out_dec = 6'b001100;
12'd1971 : mem_out_dec = 6'b001101;
12'd1972 : mem_out_dec = 6'b001101;
12'd1973 : mem_out_dec = 6'b001110;
12'd1974 : mem_out_dec = 6'b001111;
12'd1975 : mem_out_dec = 6'b001111;
12'd1976 : mem_out_dec = 6'b001110;
12'd1977 : mem_out_dec = 6'b001110;
12'd1978 : mem_out_dec = 6'b001111;
12'd1979 : mem_out_dec = 6'b001111;
12'd1980 : mem_out_dec = 6'b010000;
12'd1981 : mem_out_dec = 6'b010000;
12'd1982 : mem_out_dec = 6'b010001;
12'd1983 : mem_out_dec = 6'b010001;
12'd1984 : mem_out_dec = 6'b111111;
12'd1985 : mem_out_dec = 6'b111111;
12'd1986 : mem_out_dec = 6'b111111;
12'd1987 : mem_out_dec = 6'b111111;
12'd1988 : mem_out_dec = 6'b111111;
12'd1989 : mem_out_dec = 6'b111111;
12'd1990 : mem_out_dec = 6'b111111;
12'd1991 : mem_out_dec = 6'b111111;
12'd1992 : mem_out_dec = 6'b111111;
12'd1993 : mem_out_dec = 6'b111111;
12'd1994 : mem_out_dec = 6'b111111;
12'd1995 : mem_out_dec = 6'b111111;
12'd1996 : mem_out_dec = 6'b111111;
12'd1997 : mem_out_dec = 6'b111111;
12'd1998 : mem_out_dec = 6'b111111;
12'd1999 : mem_out_dec = 6'b111111;
12'd2000 : mem_out_dec = 6'b111111;
12'd2001 : mem_out_dec = 6'b111111;
12'd2002 : mem_out_dec = 6'b111111;
12'd2003 : mem_out_dec = 6'b111111;
12'd2004 : mem_out_dec = 6'b111111;
12'd2005 : mem_out_dec = 6'b111111;
12'd2006 : mem_out_dec = 6'b111111;
12'd2007 : mem_out_dec = 6'b111111;
12'd2008 : mem_out_dec = 6'b111111;
12'd2009 : mem_out_dec = 6'b111111;
12'd2010 : mem_out_dec = 6'b111111;
12'd2011 : mem_out_dec = 6'b111111;
12'd2012 : mem_out_dec = 6'b111111;
12'd2013 : mem_out_dec = 6'b111111;
12'd2014 : mem_out_dec = 6'b111111;
12'd2015 : mem_out_dec = 6'b111111;
12'd2016 : mem_out_dec = 6'b111111;
12'd2017 : mem_out_dec = 6'b111111;
12'd2018 : mem_out_dec = 6'b111111;
12'd2019 : mem_out_dec = 6'b111111;
12'd2020 : mem_out_dec = 6'b111111;
12'd2021 : mem_out_dec = 6'b000100;
12'd2022 : mem_out_dec = 6'b000101;
12'd2023 : mem_out_dec = 6'b000110;
12'd2024 : mem_out_dec = 6'b000110;
12'd2025 : mem_out_dec = 6'b000111;
12'd2026 : mem_out_dec = 6'b000111;
12'd2027 : mem_out_dec = 6'b001000;
12'd2028 : mem_out_dec = 6'b001001;
12'd2029 : mem_out_dec = 6'b001010;
12'd2030 : mem_out_dec = 6'b001010;
12'd2031 : mem_out_dec = 6'b001011;
12'd2032 : mem_out_dec = 6'b001011;
12'd2033 : mem_out_dec = 6'b001011;
12'd2034 : mem_out_dec = 6'b001100;
12'd2035 : mem_out_dec = 6'b001101;
12'd2036 : mem_out_dec = 6'b001101;
12'd2037 : mem_out_dec = 6'b001110;
12'd2038 : mem_out_dec = 6'b001110;
12'd2039 : mem_out_dec = 6'b001110;
12'd2040 : mem_out_dec = 6'b001101;
12'd2041 : mem_out_dec = 6'b001110;
12'd2042 : mem_out_dec = 6'b001110;
12'd2043 : mem_out_dec = 6'b001111;
12'd2044 : mem_out_dec = 6'b001111;
12'd2045 : mem_out_dec = 6'b010000;
12'd2046 : mem_out_dec = 6'b010000;
12'd2047 : mem_out_dec = 6'b010001;
12'd2048 : mem_out_dec = 6'b111111;
12'd2049 : mem_out_dec = 6'b111111;
12'd2050 : mem_out_dec = 6'b111111;
12'd2051 : mem_out_dec = 6'b111111;
12'd2052 : mem_out_dec = 6'b111111;
12'd2053 : mem_out_dec = 6'b111111;
12'd2054 : mem_out_dec = 6'b111111;
12'd2055 : mem_out_dec = 6'b111111;
12'd2056 : mem_out_dec = 6'b111111;
12'd2057 : mem_out_dec = 6'b111111;
12'd2058 : mem_out_dec = 6'b111111;
12'd2059 : mem_out_dec = 6'b111111;
12'd2060 : mem_out_dec = 6'b111111;
12'd2061 : mem_out_dec = 6'b111111;
12'd2062 : mem_out_dec = 6'b111111;
12'd2063 : mem_out_dec = 6'b111111;
12'd2064 : mem_out_dec = 6'b111111;
12'd2065 : mem_out_dec = 6'b111111;
12'd2066 : mem_out_dec = 6'b111111;
12'd2067 : mem_out_dec = 6'b111111;
12'd2068 : mem_out_dec = 6'b111111;
12'd2069 : mem_out_dec = 6'b111111;
12'd2070 : mem_out_dec = 6'b111111;
12'd2071 : mem_out_dec = 6'b111111;
12'd2072 : mem_out_dec = 6'b111111;
12'd2073 : mem_out_dec = 6'b111111;
12'd2074 : mem_out_dec = 6'b111111;
12'd2075 : mem_out_dec = 6'b111111;
12'd2076 : mem_out_dec = 6'b111111;
12'd2077 : mem_out_dec = 6'b111111;
12'd2078 : mem_out_dec = 6'b111111;
12'd2079 : mem_out_dec = 6'b111111;
12'd2080 : mem_out_dec = 6'b111111;
12'd2081 : mem_out_dec = 6'b111111;
12'd2082 : mem_out_dec = 6'b111111;
12'd2083 : mem_out_dec = 6'b111111;
12'd2084 : mem_out_dec = 6'b111111;
12'd2085 : mem_out_dec = 6'b111111;
12'd2086 : mem_out_dec = 6'b000100;
12'd2087 : mem_out_dec = 6'b000101;
12'd2088 : mem_out_dec = 6'b000101;
12'd2089 : mem_out_dec = 6'b000110;
12'd2090 : mem_out_dec = 6'b000110;
12'd2091 : mem_out_dec = 6'b000111;
12'd2092 : mem_out_dec = 6'b001000;
12'd2093 : mem_out_dec = 6'b001001;
12'd2094 : mem_out_dec = 6'b001001;
12'd2095 : mem_out_dec = 6'b001010;
12'd2096 : mem_out_dec = 6'b001010;
12'd2097 : mem_out_dec = 6'b001011;
12'd2098 : mem_out_dec = 6'b001011;
12'd2099 : mem_out_dec = 6'b001100;
12'd2100 : mem_out_dec = 6'b001100;
12'd2101 : mem_out_dec = 6'b001100;
12'd2102 : mem_out_dec = 6'b001100;
12'd2103 : mem_out_dec = 6'b001101;
12'd2104 : mem_out_dec = 6'b001100;
12'd2105 : mem_out_dec = 6'b001100;
12'd2106 : mem_out_dec = 6'b001101;
12'd2107 : mem_out_dec = 6'b001101;
12'd2108 : mem_out_dec = 6'b001110;
12'd2109 : mem_out_dec = 6'b001111;
12'd2110 : mem_out_dec = 6'b010000;
12'd2111 : mem_out_dec = 6'b010000;
12'd2112 : mem_out_dec = 6'b111111;
12'd2113 : mem_out_dec = 6'b111111;
12'd2114 : mem_out_dec = 6'b111111;
12'd2115 : mem_out_dec = 6'b111111;
12'd2116 : mem_out_dec = 6'b111111;
12'd2117 : mem_out_dec = 6'b111111;
12'd2118 : mem_out_dec = 6'b111111;
12'd2119 : mem_out_dec = 6'b111111;
12'd2120 : mem_out_dec = 6'b111111;
12'd2121 : mem_out_dec = 6'b111111;
12'd2122 : mem_out_dec = 6'b111111;
12'd2123 : mem_out_dec = 6'b111111;
12'd2124 : mem_out_dec = 6'b111111;
12'd2125 : mem_out_dec = 6'b111111;
12'd2126 : mem_out_dec = 6'b111111;
12'd2127 : mem_out_dec = 6'b111111;
12'd2128 : mem_out_dec = 6'b111111;
12'd2129 : mem_out_dec = 6'b111111;
12'd2130 : mem_out_dec = 6'b111111;
12'd2131 : mem_out_dec = 6'b111111;
12'd2132 : mem_out_dec = 6'b111111;
12'd2133 : mem_out_dec = 6'b111111;
12'd2134 : mem_out_dec = 6'b111111;
12'd2135 : mem_out_dec = 6'b111111;
12'd2136 : mem_out_dec = 6'b111111;
12'd2137 : mem_out_dec = 6'b111111;
12'd2138 : mem_out_dec = 6'b111111;
12'd2139 : mem_out_dec = 6'b111111;
12'd2140 : mem_out_dec = 6'b111111;
12'd2141 : mem_out_dec = 6'b111111;
12'd2142 : mem_out_dec = 6'b111111;
12'd2143 : mem_out_dec = 6'b111111;
12'd2144 : mem_out_dec = 6'b111111;
12'd2145 : mem_out_dec = 6'b111111;
12'd2146 : mem_out_dec = 6'b111111;
12'd2147 : mem_out_dec = 6'b111111;
12'd2148 : mem_out_dec = 6'b111111;
12'd2149 : mem_out_dec = 6'b111111;
12'd2150 : mem_out_dec = 6'b111111;
12'd2151 : mem_out_dec = 6'b000100;
12'd2152 : mem_out_dec = 6'b000100;
12'd2153 : mem_out_dec = 6'b000101;
12'd2154 : mem_out_dec = 6'b000110;
12'd2155 : mem_out_dec = 6'b000111;
12'd2156 : mem_out_dec = 6'b000111;
12'd2157 : mem_out_dec = 6'b001000;
12'd2158 : mem_out_dec = 6'b001001;
12'd2159 : mem_out_dec = 6'b001001;
12'd2160 : mem_out_dec = 6'b001010;
12'd2161 : mem_out_dec = 6'b001010;
12'd2162 : mem_out_dec = 6'b001011;
12'd2163 : mem_out_dec = 6'b001011;
12'd2164 : mem_out_dec = 6'b001011;
12'd2165 : mem_out_dec = 6'b001011;
12'd2166 : mem_out_dec = 6'b001011;
12'd2167 : mem_out_dec = 6'b001100;
12'd2168 : mem_out_dec = 6'b001011;
12'd2169 : mem_out_dec = 6'b001011;
12'd2170 : mem_out_dec = 6'b001100;
12'd2171 : mem_out_dec = 6'b001101;
12'd2172 : mem_out_dec = 6'b001110;
12'd2173 : mem_out_dec = 6'b001110;
12'd2174 : mem_out_dec = 6'b001111;
12'd2175 : mem_out_dec = 6'b010000;
12'd2176 : mem_out_dec = 6'b111111;
12'd2177 : mem_out_dec = 6'b111111;
12'd2178 : mem_out_dec = 6'b111111;
12'd2179 : mem_out_dec = 6'b111111;
12'd2180 : mem_out_dec = 6'b111111;
12'd2181 : mem_out_dec = 6'b111111;
12'd2182 : mem_out_dec = 6'b111111;
12'd2183 : mem_out_dec = 6'b111111;
12'd2184 : mem_out_dec = 6'b111111;
12'd2185 : mem_out_dec = 6'b111111;
12'd2186 : mem_out_dec = 6'b111111;
12'd2187 : mem_out_dec = 6'b111111;
12'd2188 : mem_out_dec = 6'b111111;
12'd2189 : mem_out_dec = 6'b111111;
12'd2190 : mem_out_dec = 6'b111111;
12'd2191 : mem_out_dec = 6'b111111;
12'd2192 : mem_out_dec = 6'b111111;
12'd2193 : mem_out_dec = 6'b111111;
12'd2194 : mem_out_dec = 6'b111111;
12'd2195 : mem_out_dec = 6'b111111;
12'd2196 : mem_out_dec = 6'b111111;
12'd2197 : mem_out_dec = 6'b111111;
12'd2198 : mem_out_dec = 6'b111111;
12'd2199 : mem_out_dec = 6'b111111;
12'd2200 : mem_out_dec = 6'b111111;
12'd2201 : mem_out_dec = 6'b111111;
12'd2202 : mem_out_dec = 6'b111111;
12'd2203 : mem_out_dec = 6'b111111;
12'd2204 : mem_out_dec = 6'b111111;
12'd2205 : mem_out_dec = 6'b111111;
12'd2206 : mem_out_dec = 6'b111111;
12'd2207 : mem_out_dec = 6'b111111;
12'd2208 : mem_out_dec = 6'b111111;
12'd2209 : mem_out_dec = 6'b111111;
12'd2210 : mem_out_dec = 6'b111111;
12'd2211 : mem_out_dec = 6'b111111;
12'd2212 : mem_out_dec = 6'b111111;
12'd2213 : mem_out_dec = 6'b111111;
12'd2214 : mem_out_dec = 6'b111111;
12'd2215 : mem_out_dec = 6'b111111;
12'd2216 : mem_out_dec = 6'b000100;
12'd2217 : mem_out_dec = 6'b000101;
12'd2218 : mem_out_dec = 6'b000101;
12'd2219 : mem_out_dec = 6'b000110;
12'd2220 : mem_out_dec = 6'b000111;
12'd2221 : mem_out_dec = 6'b000111;
12'd2222 : mem_out_dec = 6'b001000;
12'd2223 : mem_out_dec = 6'b001001;
12'd2224 : mem_out_dec = 6'b001001;
12'd2225 : mem_out_dec = 6'b001010;
12'd2226 : mem_out_dec = 6'b001010;
12'd2227 : mem_out_dec = 6'b001010;
12'd2228 : mem_out_dec = 6'b001010;
12'd2229 : mem_out_dec = 6'b001010;
12'd2230 : mem_out_dec = 6'b001010;
12'd2231 : mem_out_dec = 6'b001010;
12'd2232 : mem_out_dec = 6'b001010;
12'd2233 : mem_out_dec = 6'b001011;
12'd2234 : mem_out_dec = 6'b001100;
12'd2235 : mem_out_dec = 6'b001100;
12'd2236 : mem_out_dec = 6'b001101;
12'd2237 : mem_out_dec = 6'b001110;
12'd2238 : mem_out_dec = 6'b001111;
12'd2239 : mem_out_dec = 6'b010000;
12'd2240 : mem_out_dec = 6'b111111;
12'd2241 : mem_out_dec = 6'b111111;
12'd2242 : mem_out_dec = 6'b111111;
12'd2243 : mem_out_dec = 6'b111111;
12'd2244 : mem_out_dec = 6'b111111;
12'd2245 : mem_out_dec = 6'b111111;
12'd2246 : mem_out_dec = 6'b111111;
12'd2247 : mem_out_dec = 6'b111111;
12'd2248 : mem_out_dec = 6'b111111;
12'd2249 : mem_out_dec = 6'b111111;
12'd2250 : mem_out_dec = 6'b111111;
12'd2251 : mem_out_dec = 6'b111111;
12'd2252 : mem_out_dec = 6'b111111;
12'd2253 : mem_out_dec = 6'b111111;
12'd2254 : mem_out_dec = 6'b111111;
12'd2255 : mem_out_dec = 6'b111111;
12'd2256 : mem_out_dec = 6'b111111;
12'd2257 : mem_out_dec = 6'b111111;
12'd2258 : mem_out_dec = 6'b111111;
12'd2259 : mem_out_dec = 6'b111111;
12'd2260 : mem_out_dec = 6'b111111;
12'd2261 : mem_out_dec = 6'b111111;
12'd2262 : mem_out_dec = 6'b111111;
12'd2263 : mem_out_dec = 6'b111111;
12'd2264 : mem_out_dec = 6'b111111;
12'd2265 : mem_out_dec = 6'b111111;
12'd2266 : mem_out_dec = 6'b111111;
12'd2267 : mem_out_dec = 6'b111111;
12'd2268 : mem_out_dec = 6'b111111;
12'd2269 : mem_out_dec = 6'b111111;
12'd2270 : mem_out_dec = 6'b111111;
12'd2271 : mem_out_dec = 6'b111111;
12'd2272 : mem_out_dec = 6'b111111;
12'd2273 : mem_out_dec = 6'b111111;
12'd2274 : mem_out_dec = 6'b111111;
12'd2275 : mem_out_dec = 6'b111111;
12'd2276 : mem_out_dec = 6'b111111;
12'd2277 : mem_out_dec = 6'b111111;
12'd2278 : mem_out_dec = 6'b111111;
12'd2279 : mem_out_dec = 6'b111111;
12'd2280 : mem_out_dec = 6'b111111;
12'd2281 : mem_out_dec = 6'b000100;
12'd2282 : mem_out_dec = 6'b000101;
12'd2283 : mem_out_dec = 6'b000101;
12'd2284 : mem_out_dec = 6'b000110;
12'd2285 : mem_out_dec = 6'b000111;
12'd2286 : mem_out_dec = 6'b001000;
12'd2287 : mem_out_dec = 6'b001001;
12'd2288 : mem_out_dec = 6'b001001;
12'd2289 : mem_out_dec = 6'b001001;
12'd2290 : mem_out_dec = 6'b001001;
12'd2291 : mem_out_dec = 6'b001001;
12'd2292 : mem_out_dec = 6'b001001;
12'd2293 : mem_out_dec = 6'b001001;
12'd2294 : mem_out_dec = 6'b001001;
12'd2295 : mem_out_dec = 6'b001001;
12'd2296 : mem_out_dec = 6'b001010;
12'd2297 : mem_out_dec = 6'b001010;
12'd2298 : mem_out_dec = 6'b001011;
12'd2299 : mem_out_dec = 6'b001100;
12'd2300 : mem_out_dec = 6'b001101;
12'd2301 : mem_out_dec = 6'b001110;
12'd2302 : mem_out_dec = 6'b001110;
12'd2303 : mem_out_dec = 6'b001111;
12'd2304 : mem_out_dec = 6'b111111;
12'd2305 : mem_out_dec = 6'b111111;
12'd2306 : mem_out_dec = 6'b111111;
12'd2307 : mem_out_dec = 6'b111111;
12'd2308 : mem_out_dec = 6'b111111;
12'd2309 : mem_out_dec = 6'b111111;
12'd2310 : mem_out_dec = 6'b111111;
12'd2311 : mem_out_dec = 6'b111111;
12'd2312 : mem_out_dec = 6'b111111;
12'd2313 : mem_out_dec = 6'b111111;
12'd2314 : mem_out_dec = 6'b111111;
12'd2315 : mem_out_dec = 6'b111111;
12'd2316 : mem_out_dec = 6'b111111;
12'd2317 : mem_out_dec = 6'b111111;
12'd2318 : mem_out_dec = 6'b111111;
12'd2319 : mem_out_dec = 6'b111111;
12'd2320 : mem_out_dec = 6'b111111;
12'd2321 : mem_out_dec = 6'b111111;
12'd2322 : mem_out_dec = 6'b111111;
12'd2323 : mem_out_dec = 6'b111111;
12'd2324 : mem_out_dec = 6'b111111;
12'd2325 : mem_out_dec = 6'b111111;
12'd2326 : mem_out_dec = 6'b111111;
12'd2327 : mem_out_dec = 6'b111111;
12'd2328 : mem_out_dec = 6'b111111;
12'd2329 : mem_out_dec = 6'b111111;
12'd2330 : mem_out_dec = 6'b111111;
12'd2331 : mem_out_dec = 6'b111111;
12'd2332 : mem_out_dec = 6'b111111;
12'd2333 : mem_out_dec = 6'b111111;
12'd2334 : mem_out_dec = 6'b111111;
12'd2335 : mem_out_dec = 6'b111111;
12'd2336 : mem_out_dec = 6'b111111;
12'd2337 : mem_out_dec = 6'b111111;
12'd2338 : mem_out_dec = 6'b111111;
12'd2339 : mem_out_dec = 6'b111111;
12'd2340 : mem_out_dec = 6'b111111;
12'd2341 : mem_out_dec = 6'b111111;
12'd2342 : mem_out_dec = 6'b111111;
12'd2343 : mem_out_dec = 6'b111111;
12'd2344 : mem_out_dec = 6'b111111;
12'd2345 : mem_out_dec = 6'b111111;
12'd2346 : mem_out_dec = 6'b000100;
12'd2347 : mem_out_dec = 6'b000101;
12'd2348 : mem_out_dec = 6'b000110;
12'd2349 : mem_out_dec = 6'b000111;
12'd2350 : mem_out_dec = 6'b000111;
12'd2351 : mem_out_dec = 6'b001000;
12'd2352 : mem_out_dec = 6'b001000;
12'd2353 : mem_out_dec = 6'b001000;
12'd2354 : mem_out_dec = 6'b001000;
12'd2355 : mem_out_dec = 6'b001000;
12'd2356 : mem_out_dec = 6'b001000;
12'd2357 : mem_out_dec = 6'b001000;
12'd2358 : mem_out_dec = 6'b001000;
12'd2359 : mem_out_dec = 6'b001001;
12'd2360 : mem_out_dec = 6'b001001;
12'd2361 : mem_out_dec = 6'b001010;
12'd2362 : mem_out_dec = 6'b001011;
12'd2363 : mem_out_dec = 6'b001100;
12'd2364 : mem_out_dec = 6'b001100;
12'd2365 : mem_out_dec = 6'b001101;
12'd2366 : mem_out_dec = 6'b001110;
12'd2367 : mem_out_dec = 6'b001111;
12'd2368 : mem_out_dec = 6'b111111;
12'd2369 : mem_out_dec = 6'b111111;
12'd2370 : mem_out_dec = 6'b111111;
12'd2371 : mem_out_dec = 6'b111111;
12'd2372 : mem_out_dec = 6'b111111;
12'd2373 : mem_out_dec = 6'b111111;
12'd2374 : mem_out_dec = 6'b111111;
12'd2375 : mem_out_dec = 6'b111111;
12'd2376 : mem_out_dec = 6'b111111;
12'd2377 : mem_out_dec = 6'b111111;
12'd2378 : mem_out_dec = 6'b111111;
12'd2379 : mem_out_dec = 6'b111111;
12'd2380 : mem_out_dec = 6'b111111;
12'd2381 : mem_out_dec = 6'b111111;
12'd2382 : mem_out_dec = 6'b111111;
12'd2383 : mem_out_dec = 6'b111111;
12'd2384 : mem_out_dec = 6'b111111;
12'd2385 : mem_out_dec = 6'b111111;
12'd2386 : mem_out_dec = 6'b111111;
12'd2387 : mem_out_dec = 6'b111111;
12'd2388 : mem_out_dec = 6'b111111;
12'd2389 : mem_out_dec = 6'b111111;
12'd2390 : mem_out_dec = 6'b111111;
12'd2391 : mem_out_dec = 6'b111111;
12'd2392 : mem_out_dec = 6'b111111;
12'd2393 : mem_out_dec = 6'b111111;
12'd2394 : mem_out_dec = 6'b111111;
12'd2395 : mem_out_dec = 6'b111111;
12'd2396 : mem_out_dec = 6'b111111;
12'd2397 : mem_out_dec = 6'b111111;
12'd2398 : mem_out_dec = 6'b111111;
12'd2399 : mem_out_dec = 6'b111111;
12'd2400 : mem_out_dec = 6'b111111;
12'd2401 : mem_out_dec = 6'b111111;
12'd2402 : mem_out_dec = 6'b111111;
12'd2403 : mem_out_dec = 6'b111111;
12'd2404 : mem_out_dec = 6'b111111;
12'd2405 : mem_out_dec = 6'b111111;
12'd2406 : mem_out_dec = 6'b111111;
12'd2407 : mem_out_dec = 6'b111111;
12'd2408 : mem_out_dec = 6'b111111;
12'd2409 : mem_out_dec = 6'b111111;
12'd2410 : mem_out_dec = 6'b111111;
12'd2411 : mem_out_dec = 6'b000101;
12'd2412 : mem_out_dec = 6'b000101;
12'd2413 : mem_out_dec = 6'b000110;
12'd2414 : mem_out_dec = 6'b000111;
12'd2415 : mem_out_dec = 6'b001000;
12'd2416 : mem_out_dec = 6'b000111;
12'd2417 : mem_out_dec = 6'b000111;
12'd2418 : mem_out_dec = 6'b000111;
12'd2419 : mem_out_dec = 6'b000111;
12'd2420 : mem_out_dec = 6'b000111;
12'd2421 : mem_out_dec = 6'b000111;
12'd2422 : mem_out_dec = 6'b001000;
12'd2423 : mem_out_dec = 6'b001001;
12'd2424 : mem_out_dec = 6'b001001;
12'd2425 : mem_out_dec = 6'b001010;
12'd2426 : mem_out_dec = 6'b001010;
12'd2427 : mem_out_dec = 6'b001011;
12'd2428 : mem_out_dec = 6'b001100;
12'd2429 : mem_out_dec = 6'b001101;
12'd2430 : mem_out_dec = 6'b001101;
12'd2431 : mem_out_dec = 6'b001110;
12'd2432 : mem_out_dec = 6'b111111;
12'd2433 : mem_out_dec = 6'b111111;
12'd2434 : mem_out_dec = 6'b111111;
12'd2435 : mem_out_dec = 6'b111111;
12'd2436 : mem_out_dec = 6'b111111;
12'd2437 : mem_out_dec = 6'b111111;
12'd2438 : mem_out_dec = 6'b111111;
12'd2439 : mem_out_dec = 6'b111111;
12'd2440 : mem_out_dec = 6'b111111;
12'd2441 : mem_out_dec = 6'b111111;
12'd2442 : mem_out_dec = 6'b111111;
12'd2443 : mem_out_dec = 6'b111111;
12'd2444 : mem_out_dec = 6'b111111;
12'd2445 : mem_out_dec = 6'b111111;
12'd2446 : mem_out_dec = 6'b111111;
12'd2447 : mem_out_dec = 6'b111111;
12'd2448 : mem_out_dec = 6'b111111;
12'd2449 : mem_out_dec = 6'b111111;
12'd2450 : mem_out_dec = 6'b111111;
12'd2451 : mem_out_dec = 6'b111111;
12'd2452 : mem_out_dec = 6'b111111;
12'd2453 : mem_out_dec = 6'b111111;
12'd2454 : mem_out_dec = 6'b111111;
12'd2455 : mem_out_dec = 6'b111111;
12'd2456 : mem_out_dec = 6'b111111;
12'd2457 : mem_out_dec = 6'b111111;
12'd2458 : mem_out_dec = 6'b111111;
12'd2459 : mem_out_dec = 6'b111111;
12'd2460 : mem_out_dec = 6'b111111;
12'd2461 : mem_out_dec = 6'b111111;
12'd2462 : mem_out_dec = 6'b111111;
12'd2463 : mem_out_dec = 6'b111111;
12'd2464 : mem_out_dec = 6'b111111;
12'd2465 : mem_out_dec = 6'b111111;
12'd2466 : mem_out_dec = 6'b111111;
12'd2467 : mem_out_dec = 6'b111111;
12'd2468 : mem_out_dec = 6'b111111;
12'd2469 : mem_out_dec = 6'b111111;
12'd2470 : mem_out_dec = 6'b111111;
12'd2471 : mem_out_dec = 6'b111111;
12'd2472 : mem_out_dec = 6'b111111;
12'd2473 : mem_out_dec = 6'b111111;
12'd2474 : mem_out_dec = 6'b111111;
12'd2475 : mem_out_dec = 6'b111111;
12'd2476 : mem_out_dec = 6'b000101;
12'd2477 : mem_out_dec = 6'b000110;
12'd2478 : mem_out_dec = 6'b000111;
12'd2479 : mem_out_dec = 6'b000111;
12'd2480 : mem_out_dec = 6'b000110;
12'd2481 : mem_out_dec = 6'b000110;
12'd2482 : mem_out_dec = 6'b000110;
12'd2483 : mem_out_dec = 6'b000110;
12'd2484 : mem_out_dec = 6'b000110;
12'd2485 : mem_out_dec = 6'b000111;
12'd2486 : mem_out_dec = 6'b000111;
12'd2487 : mem_out_dec = 6'b001000;
12'd2488 : mem_out_dec = 6'b001001;
12'd2489 : mem_out_dec = 6'b001001;
12'd2490 : mem_out_dec = 6'b001010;
12'd2491 : mem_out_dec = 6'b001011;
12'd2492 : mem_out_dec = 6'b001011;
12'd2493 : mem_out_dec = 6'b001100;
12'd2494 : mem_out_dec = 6'b001101;
12'd2495 : mem_out_dec = 6'b001110;
12'd2496 : mem_out_dec = 6'b111111;
12'd2497 : mem_out_dec = 6'b111111;
12'd2498 : mem_out_dec = 6'b111111;
12'd2499 : mem_out_dec = 6'b111111;
12'd2500 : mem_out_dec = 6'b111111;
12'd2501 : mem_out_dec = 6'b111111;
12'd2502 : mem_out_dec = 6'b111111;
12'd2503 : mem_out_dec = 6'b111111;
12'd2504 : mem_out_dec = 6'b111111;
12'd2505 : mem_out_dec = 6'b111111;
12'd2506 : mem_out_dec = 6'b111111;
12'd2507 : mem_out_dec = 6'b111111;
12'd2508 : mem_out_dec = 6'b111111;
12'd2509 : mem_out_dec = 6'b111111;
12'd2510 : mem_out_dec = 6'b111111;
12'd2511 : mem_out_dec = 6'b111111;
12'd2512 : mem_out_dec = 6'b111111;
12'd2513 : mem_out_dec = 6'b111111;
12'd2514 : mem_out_dec = 6'b111111;
12'd2515 : mem_out_dec = 6'b111111;
12'd2516 : mem_out_dec = 6'b111111;
12'd2517 : mem_out_dec = 6'b111111;
12'd2518 : mem_out_dec = 6'b111111;
12'd2519 : mem_out_dec = 6'b111111;
12'd2520 : mem_out_dec = 6'b111111;
12'd2521 : mem_out_dec = 6'b111111;
12'd2522 : mem_out_dec = 6'b111111;
12'd2523 : mem_out_dec = 6'b111111;
12'd2524 : mem_out_dec = 6'b111111;
12'd2525 : mem_out_dec = 6'b111111;
12'd2526 : mem_out_dec = 6'b111111;
12'd2527 : mem_out_dec = 6'b111111;
12'd2528 : mem_out_dec = 6'b111111;
12'd2529 : mem_out_dec = 6'b111111;
12'd2530 : mem_out_dec = 6'b111111;
12'd2531 : mem_out_dec = 6'b111111;
12'd2532 : mem_out_dec = 6'b111111;
12'd2533 : mem_out_dec = 6'b111111;
12'd2534 : mem_out_dec = 6'b111111;
12'd2535 : mem_out_dec = 6'b111111;
12'd2536 : mem_out_dec = 6'b111111;
12'd2537 : mem_out_dec = 6'b111111;
12'd2538 : mem_out_dec = 6'b111111;
12'd2539 : mem_out_dec = 6'b111111;
12'd2540 : mem_out_dec = 6'b111111;
12'd2541 : mem_out_dec = 6'b000101;
12'd2542 : mem_out_dec = 6'b000110;
12'd2543 : mem_out_dec = 6'b000110;
12'd2544 : mem_out_dec = 6'b000110;
12'd2545 : mem_out_dec = 6'b000110;
12'd2546 : mem_out_dec = 6'b000101;
12'd2547 : mem_out_dec = 6'b000101;
12'd2548 : mem_out_dec = 6'b000110;
12'd2549 : mem_out_dec = 6'b000111;
12'd2550 : mem_out_dec = 6'b000111;
12'd2551 : mem_out_dec = 6'b001000;
12'd2552 : mem_out_dec = 6'b001000;
12'd2553 : mem_out_dec = 6'b001001;
12'd2554 : mem_out_dec = 6'b001010;
12'd2555 : mem_out_dec = 6'b001010;
12'd2556 : mem_out_dec = 6'b001011;
12'd2557 : mem_out_dec = 6'b001100;
12'd2558 : mem_out_dec = 6'b001101;
12'd2559 : mem_out_dec = 6'b001101;
12'd2560 : mem_out_dec = 6'b111111;
12'd2561 : mem_out_dec = 6'b111111;
12'd2562 : mem_out_dec = 6'b111111;
12'd2563 : mem_out_dec = 6'b111111;
12'd2564 : mem_out_dec = 6'b111111;
12'd2565 : mem_out_dec = 6'b111111;
12'd2566 : mem_out_dec = 6'b111111;
12'd2567 : mem_out_dec = 6'b111111;
12'd2568 : mem_out_dec = 6'b111111;
12'd2569 : mem_out_dec = 6'b111111;
12'd2570 : mem_out_dec = 6'b111111;
12'd2571 : mem_out_dec = 6'b111111;
12'd2572 : mem_out_dec = 6'b111111;
12'd2573 : mem_out_dec = 6'b111111;
12'd2574 : mem_out_dec = 6'b111111;
12'd2575 : mem_out_dec = 6'b111111;
12'd2576 : mem_out_dec = 6'b111111;
12'd2577 : mem_out_dec = 6'b111111;
12'd2578 : mem_out_dec = 6'b111111;
12'd2579 : mem_out_dec = 6'b111111;
12'd2580 : mem_out_dec = 6'b111111;
12'd2581 : mem_out_dec = 6'b111111;
12'd2582 : mem_out_dec = 6'b111111;
12'd2583 : mem_out_dec = 6'b111111;
12'd2584 : mem_out_dec = 6'b111111;
12'd2585 : mem_out_dec = 6'b111111;
12'd2586 : mem_out_dec = 6'b111111;
12'd2587 : mem_out_dec = 6'b111111;
12'd2588 : mem_out_dec = 6'b111111;
12'd2589 : mem_out_dec = 6'b111111;
12'd2590 : mem_out_dec = 6'b111111;
12'd2591 : mem_out_dec = 6'b111111;
12'd2592 : mem_out_dec = 6'b111111;
12'd2593 : mem_out_dec = 6'b111111;
12'd2594 : mem_out_dec = 6'b111111;
12'd2595 : mem_out_dec = 6'b111111;
12'd2596 : mem_out_dec = 6'b111111;
12'd2597 : mem_out_dec = 6'b111111;
12'd2598 : mem_out_dec = 6'b111111;
12'd2599 : mem_out_dec = 6'b111111;
12'd2600 : mem_out_dec = 6'b111111;
12'd2601 : mem_out_dec = 6'b111111;
12'd2602 : mem_out_dec = 6'b111111;
12'd2603 : mem_out_dec = 6'b111111;
12'd2604 : mem_out_dec = 6'b111111;
12'd2605 : mem_out_dec = 6'b111111;
12'd2606 : mem_out_dec = 6'b000100;
12'd2607 : mem_out_dec = 6'b000101;
12'd2608 : mem_out_dec = 6'b000100;
12'd2609 : mem_out_dec = 6'b000100;
12'd2610 : mem_out_dec = 6'b000100;
12'd2611 : mem_out_dec = 6'b000101;
12'd2612 : mem_out_dec = 6'b000101;
12'd2613 : mem_out_dec = 6'b000110;
12'd2614 : mem_out_dec = 6'b000111;
12'd2615 : mem_out_dec = 6'b000111;
12'd2616 : mem_out_dec = 6'b000111;
12'd2617 : mem_out_dec = 6'b001000;
12'd2618 : mem_out_dec = 6'b001001;
12'd2619 : mem_out_dec = 6'b001010;
12'd2620 : mem_out_dec = 6'b001010;
12'd2621 : mem_out_dec = 6'b001011;
12'd2622 : mem_out_dec = 6'b001100;
12'd2623 : mem_out_dec = 6'b001101;
12'd2624 : mem_out_dec = 6'b111111;
12'd2625 : mem_out_dec = 6'b111111;
12'd2626 : mem_out_dec = 6'b111111;
12'd2627 : mem_out_dec = 6'b111111;
12'd2628 : mem_out_dec = 6'b111111;
12'd2629 : mem_out_dec = 6'b111111;
12'd2630 : mem_out_dec = 6'b111111;
12'd2631 : mem_out_dec = 6'b111111;
12'd2632 : mem_out_dec = 6'b111111;
12'd2633 : mem_out_dec = 6'b111111;
12'd2634 : mem_out_dec = 6'b111111;
12'd2635 : mem_out_dec = 6'b111111;
12'd2636 : mem_out_dec = 6'b111111;
12'd2637 : mem_out_dec = 6'b111111;
12'd2638 : mem_out_dec = 6'b111111;
12'd2639 : mem_out_dec = 6'b111111;
12'd2640 : mem_out_dec = 6'b111111;
12'd2641 : mem_out_dec = 6'b111111;
12'd2642 : mem_out_dec = 6'b111111;
12'd2643 : mem_out_dec = 6'b111111;
12'd2644 : mem_out_dec = 6'b111111;
12'd2645 : mem_out_dec = 6'b111111;
12'd2646 : mem_out_dec = 6'b111111;
12'd2647 : mem_out_dec = 6'b111111;
12'd2648 : mem_out_dec = 6'b111111;
12'd2649 : mem_out_dec = 6'b111111;
12'd2650 : mem_out_dec = 6'b111111;
12'd2651 : mem_out_dec = 6'b111111;
12'd2652 : mem_out_dec = 6'b111111;
12'd2653 : mem_out_dec = 6'b111111;
12'd2654 : mem_out_dec = 6'b111111;
12'd2655 : mem_out_dec = 6'b111111;
12'd2656 : mem_out_dec = 6'b111111;
12'd2657 : mem_out_dec = 6'b111111;
12'd2658 : mem_out_dec = 6'b111111;
12'd2659 : mem_out_dec = 6'b111111;
12'd2660 : mem_out_dec = 6'b111111;
12'd2661 : mem_out_dec = 6'b111111;
12'd2662 : mem_out_dec = 6'b111111;
12'd2663 : mem_out_dec = 6'b111111;
12'd2664 : mem_out_dec = 6'b111111;
12'd2665 : mem_out_dec = 6'b111111;
12'd2666 : mem_out_dec = 6'b111111;
12'd2667 : mem_out_dec = 6'b111111;
12'd2668 : mem_out_dec = 6'b111111;
12'd2669 : mem_out_dec = 6'b111111;
12'd2670 : mem_out_dec = 6'b111111;
12'd2671 : mem_out_dec = 6'b000100;
12'd2672 : mem_out_dec = 6'b000011;
12'd2673 : mem_out_dec = 6'b000011;
12'd2674 : mem_out_dec = 6'b000100;
12'd2675 : mem_out_dec = 6'b000100;
12'd2676 : mem_out_dec = 6'b000101;
12'd2677 : mem_out_dec = 6'b000110;
12'd2678 : mem_out_dec = 6'b000110;
12'd2679 : mem_out_dec = 6'b000111;
12'd2680 : mem_out_dec = 6'b000111;
12'd2681 : mem_out_dec = 6'b001000;
12'd2682 : mem_out_dec = 6'b001001;
12'd2683 : mem_out_dec = 6'b001001;
12'd2684 : mem_out_dec = 6'b001010;
12'd2685 : mem_out_dec = 6'b001011;
12'd2686 : mem_out_dec = 6'b001100;
12'd2687 : mem_out_dec = 6'b001100;
12'd2688 : mem_out_dec = 6'b111111;
12'd2689 : mem_out_dec = 6'b111111;
12'd2690 : mem_out_dec = 6'b111111;
12'd2691 : mem_out_dec = 6'b111111;
12'd2692 : mem_out_dec = 6'b111111;
12'd2693 : mem_out_dec = 6'b111111;
12'd2694 : mem_out_dec = 6'b111111;
12'd2695 : mem_out_dec = 6'b111111;
12'd2696 : mem_out_dec = 6'b111111;
12'd2697 : mem_out_dec = 6'b111111;
12'd2698 : mem_out_dec = 6'b111111;
12'd2699 : mem_out_dec = 6'b111111;
12'd2700 : mem_out_dec = 6'b111111;
12'd2701 : mem_out_dec = 6'b111111;
12'd2702 : mem_out_dec = 6'b111111;
12'd2703 : mem_out_dec = 6'b111111;
12'd2704 : mem_out_dec = 6'b111111;
12'd2705 : mem_out_dec = 6'b111111;
12'd2706 : mem_out_dec = 6'b111111;
12'd2707 : mem_out_dec = 6'b111111;
12'd2708 : mem_out_dec = 6'b111111;
12'd2709 : mem_out_dec = 6'b111111;
12'd2710 : mem_out_dec = 6'b111111;
12'd2711 : mem_out_dec = 6'b111111;
12'd2712 : mem_out_dec = 6'b111111;
12'd2713 : mem_out_dec = 6'b111111;
12'd2714 : mem_out_dec = 6'b111111;
12'd2715 : mem_out_dec = 6'b111111;
12'd2716 : mem_out_dec = 6'b111111;
12'd2717 : mem_out_dec = 6'b111111;
12'd2718 : mem_out_dec = 6'b111111;
12'd2719 : mem_out_dec = 6'b111111;
12'd2720 : mem_out_dec = 6'b111111;
12'd2721 : mem_out_dec = 6'b111111;
12'd2722 : mem_out_dec = 6'b111111;
12'd2723 : mem_out_dec = 6'b111111;
12'd2724 : mem_out_dec = 6'b111111;
12'd2725 : mem_out_dec = 6'b111111;
12'd2726 : mem_out_dec = 6'b111111;
12'd2727 : mem_out_dec = 6'b111111;
12'd2728 : mem_out_dec = 6'b111111;
12'd2729 : mem_out_dec = 6'b111111;
12'd2730 : mem_out_dec = 6'b111111;
12'd2731 : mem_out_dec = 6'b111111;
12'd2732 : mem_out_dec = 6'b111111;
12'd2733 : mem_out_dec = 6'b111111;
12'd2734 : mem_out_dec = 6'b111111;
12'd2735 : mem_out_dec = 6'b111111;
12'd2736 : mem_out_dec = 6'b000011;
12'd2737 : mem_out_dec = 6'b000011;
12'd2738 : mem_out_dec = 6'b000100;
12'd2739 : mem_out_dec = 6'b000100;
12'd2740 : mem_out_dec = 6'b000101;
12'd2741 : mem_out_dec = 6'b000101;
12'd2742 : mem_out_dec = 6'b000110;
12'd2743 : mem_out_dec = 6'b000111;
12'd2744 : mem_out_dec = 6'b000111;
12'd2745 : mem_out_dec = 6'b001000;
12'd2746 : mem_out_dec = 6'b001000;
12'd2747 : mem_out_dec = 6'b001001;
12'd2748 : mem_out_dec = 6'b001010;
12'd2749 : mem_out_dec = 6'b001011;
12'd2750 : mem_out_dec = 6'b001011;
12'd2751 : mem_out_dec = 6'b001100;
12'd2752 : mem_out_dec = 6'b111111;
12'd2753 : mem_out_dec = 6'b111111;
12'd2754 : mem_out_dec = 6'b111111;
12'd2755 : mem_out_dec = 6'b111111;
12'd2756 : mem_out_dec = 6'b111111;
12'd2757 : mem_out_dec = 6'b111111;
12'd2758 : mem_out_dec = 6'b111111;
12'd2759 : mem_out_dec = 6'b111111;
12'd2760 : mem_out_dec = 6'b111111;
12'd2761 : mem_out_dec = 6'b111111;
12'd2762 : mem_out_dec = 6'b111111;
12'd2763 : mem_out_dec = 6'b111111;
12'd2764 : mem_out_dec = 6'b111111;
12'd2765 : mem_out_dec = 6'b111111;
12'd2766 : mem_out_dec = 6'b111111;
12'd2767 : mem_out_dec = 6'b111111;
12'd2768 : mem_out_dec = 6'b111111;
12'd2769 : mem_out_dec = 6'b111111;
12'd2770 : mem_out_dec = 6'b111111;
12'd2771 : mem_out_dec = 6'b111111;
12'd2772 : mem_out_dec = 6'b111111;
12'd2773 : mem_out_dec = 6'b111111;
12'd2774 : mem_out_dec = 6'b111111;
12'd2775 : mem_out_dec = 6'b111111;
12'd2776 : mem_out_dec = 6'b111111;
12'd2777 : mem_out_dec = 6'b111111;
12'd2778 : mem_out_dec = 6'b111111;
12'd2779 : mem_out_dec = 6'b111111;
12'd2780 : mem_out_dec = 6'b111111;
12'd2781 : mem_out_dec = 6'b111111;
12'd2782 : mem_out_dec = 6'b111111;
12'd2783 : mem_out_dec = 6'b111111;
12'd2784 : mem_out_dec = 6'b111111;
12'd2785 : mem_out_dec = 6'b111111;
12'd2786 : mem_out_dec = 6'b111111;
12'd2787 : mem_out_dec = 6'b111111;
12'd2788 : mem_out_dec = 6'b111111;
12'd2789 : mem_out_dec = 6'b111111;
12'd2790 : mem_out_dec = 6'b111111;
12'd2791 : mem_out_dec = 6'b111111;
12'd2792 : mem_out_dec = 6'b111111;
12'd2793 : mem_out_dec = 6'b111111;
12'd2794 : mem_out_dec = 6'b111111;
12'd2795 : mem_out_dec = 6'b111111;
12'd2796 : mem_out_dec = 6'b111111;
12'd2797 : mem_out_dec = 6'b111111;
12'd2798 : mem_out_dec = 6'b111111;
12'd2799 : mem_out_dec = 6'b111111;
12'd2800 : mem_out_dec = 6'b111111;
12'd2801 : mem_out_dec = 6'b000011;
12'd2802 : mem_out_dec = 6'b000011;
12'd2803 : mem_out_dec = 6'b000100;
12'd2804 : mem_out_dec = 6'b000101;
12'd2805 : mem_out_dec = 6'b000101;
12'd2806 : mem_out_dec = 6'b000110;
12'd2807 : mem_out_dec = 6'b000111;
12'd2808 : mem_out_dec = 6'b000111;
12'd2809 : mem_out_dec = 6'b000111;
12'd2810 : mem_out_dec = 6'b001000;
12'd2811 : mem_out_dec = 6'b001001;
12'd2812 : mem_out_dec = 6'b001010;
12'd2813 : mem_out_dec = 6'b001010;
12'd2814 : mem_out_dec = 6'b001011;
12'd2815 : mem_out_dec = 6'b001100;
12'd2816 : mem_out_dec = 6'b111111;
12'd2817 : mem_out_dec = 6'b111111;
12'd2818 : mem_out_dec = 6'b111111;
12'd2819 : mem_out_dec = 6'b111111;
12'd2820 : mem_out_dec = 6'b111111;
12'd2821 : mem_out_dec = 6'b111111;
12'd2822 : mem_out_dec = 6'b111111;
12'd2823 : mem_out_dec = 6'b111111;
12'd2824 : mem_out_dec = 6'b111111;
12'd2825 : mem_out_dec = 6'b111111;
12'd2826 : mem_out_dec = 6'b111111;
12'd2827 : mem_out_dec = 6'b111111;
12'd2828 : mem_out_dec = 6'b111111;
12'd2829 : mem_out_dec = 6'b111111;
12'd2830 : mem_out_dec = 6'b111111;
12'd2831 : mem_out_dec = 6'b111111;
12'd2832 : mem_out_dec = 6'b111111;
12'd2833 : mem_out_dec = 6'b111111;
12'd2834 : mem_out_dec = 6'b111111;
12'd2835 : mem_out_dec = 6'b111111;
12'd2836 : mem_out_dec = 6'b111111;
12'd2837 : mem_out_dec = 6'b111111;
12'd2838 : mem_out_dec = 6'b111111;
12'd2839 : mem_out_dec = 6'b111111;
12'd2840 : mem_out_dec = 6'b111111;
12'd2841 : mem_out_dec = 6'b111111;
12'd2842 : mem_out_dec = 6'b111111;
12'd2843 : mem_out_dec = 6'b111111;
12'd2844 : mem_out_dec = 6'b111111;
12'd2845 : mem_out_dec = 6'b111111;
12'd2846 : mem_out_dec = 6'b111111;
12'd2847 : mem_out_dec = 6'b111111;
12'd2848 : mem_out_dec = 6'b111111;
12'd2849 : mem_out_dec = 6'b111111;
12'd2850 : mem_out_dec = 6'b111111;
12'd2851 : mem_out_dec = 6'b111111;
12'd2852 : mem_out_dec = 6'b111111;
12'd2853 : mem_out_dec = 6'b111111;
12'd2854 : mem_out_dec = 6'b111111;
12'd2855 : mem_out_dec = 6'b111111;
12'd2856 : mem_out_dec = 6'b111111;
12'd2857 : mem_out_dec = 6'b111111;
12'd2858 : mem_out_dec = 6'b111111;
12'd2859 : mem_out_dec = 6'b111111;
12'd2860 : mem_out_dec = 6'b111111;
12'd2861 : mem_out_dec = 6'b111111;
12'd2862 : mem_out_dec = 6'b111111;
12'd2863 : mem_out_dec = 6'b111111;
12'd2864 : mem_out_dec = 6'b111111;
12'd2865 : mem_out_dec = 6'b111111;
12'd2866 : mem_out_dec = 6'b000011;
12'd2867 : mem_out_dec = 6'b000100;
12'd2868 : mem_out_dec = 6'b000100;
12'd2869 : mem_out_dec = 6'b000101;
12'd2870 : mem_out_dec = 6'b000110;
12'd2871 : mem_out_dec = 6'b000110;
12'd2872 : mem_out_dec = 6'b000110;
12'd2873 : mem_out_dec = 6'b000111;
12'd2874 : mem_out_dec = 6'b001000;
12'd2875 : mem_out_dec = 6'b001001;
12'd2876 : mem_out_dec = 6'b001001;
12'd2877 : mem_out_dec = 6'b001010;
12'd2878 : mem_out_dec = 6'b001011;
12'd2879 : mem_out_dec = 6'b001100;
12'd2880 : mem_out_dec = 6'b111111;
12'd2881 : mem_out_dec = 6'b111111;
12'd2882 : mem_out_dec = 6'b111111;
12'd2883 : mem_out_dec = 6'b111111;
12'd2884 : mem_out_dec = 6'b111111;
12'd2885 : mem_out_dec = 6'b111111;
12'd2886 : mem_out_dec = 6'b111111;
12'd2887 : mem_out_dec = 6'b111111;
12'd2888 : mem_out_dec = 6'b111111;
12'd2889 : mem_out_dec = 6'b111111;
12'd2890 : mem_out_dec = 6'b111111;
12'd2891 : mem_out_dec = 6'b111111;
12'd2892 : mem_out_dec = 6'b111111;
12'd2893 : mem_out_dec = 6'b111111;
12'd2894 : mem_out_dec = 6'b111111;
12'd2895 : mem_out_dec = 6'b111111;
12'd2896 : mem_out_dec = 6'b111111;
12'd2897 : mem_out_dec = 6'b111111;
12'd2898 : mem_out_dec = 6'b111111;
12'd2899 : mem_out_dec = 6'b111111;
12'd2900 : mem_out_dec = 6'b111111;
12'd2901 : mem_out_dec = 6'b111111;
12'd2902 : mem_out_dec = 6'b111111;
12'd2903 : mem_out_dec = 6'b111111;
12'd2904 : mem_out_dec = 6'b111111;
12'd2905 : mem_out_dec = 6'b111111;
12'd2906 : mem_out_dec = 6'b111111;
12'd2907 : mem_out_dec = 6'b111111;
12'd2908 : mem_out_dec = 6'b111111;
12'd2909 : mem_out_dec = 6'b111111;
12'd2910 : mem_out_dec = 6'b111111;
12'd2911 : mem_out_dec = 6'b111111;
12'd2912 : mem_out_dec = 6'b111111;
12'd2913 : mem_out_dec = 6'b111111;
12'd2914 : mem_out_dec = 6'b111111;
12'd2915 : mem_out_dec = 6'b111111;
12'd2916 : mem_out_dec = 6'b111111;
12'd2917 : mem_out_dec = 6'b111111;
12'd2918 : mem_out_dec = 6'b111111;
12'd2919 : mem_out_dec = 6'b111111;
12'd2920 : mem_out_dec = 6'b111111;
12'd2921 : mem_out_dec = 6'b111111;
12'd2922 : mem_out_dec = 6'b111111;
12'd2923 : mem_out_dec = 6'b111111;
12'd2924 : mem_out_dec = 6'b111111;
12'd2925 : mem_out_dec = 6'b111111;
12'd2926 : mem_out_dec = 6'b111111;
12'd2927 : mem_out_dec = 6'b111111;
12'd2928 : mem_out_dec = 6'b111111;
12'd2929 : mem_out_dec = 6'b111111;
12'd2930 : mem_out_dec = 6'b111111;
12'd2931 : mem_out_dec = 6'b000100;
12'd2932 : mem_out_dec = 6'b000100;
12'd2933 : mem_out_dec = 6'b000101;
12'd2934 : mem_out_dec = 6'b000101;
12'd2935 : mem_out_dec = 6'b000110;
12'd2936 : mem_out_dec = 6'b000110;
12'd2937 : mem_out_dec = 6'b000111;
12'd2938 : mem_out_dec = 6'b001000;
12'd2939 : mem_out_dec = 6'b001000;
12'd2940 : mem_out_dec = 6'b001001;
12'd2941 : mem_out_dec = 6'b001010;
12'd2942 : mem_out_dec = 6'b001011;
12'd2943 : mem_out_dec = 6'b001011;
12'd2944 : mem_out_dec = 6'b111111;
12'd2945 : mem_out_dec = 6'b111111;
12'd2946 : mem_out_dec = 6'b111111;
12'd2947 : mem_out_dec = 6'b111111;
12'd2948 : mem_out_dec = 6'b111111;
12'd2949 : mem_out_dec = 6'b111111;
12'd2950 : mem_out_dec = 6'b111111;
12'd2951 : mem_out_dec = 6'b111111;
12'd2952 : mem_out_dec = 6'b111111;
12'd2953 : mem_out_dec = 6'b111111;
12'd2954 : mem_out_dec = 6'b111111;
12'd2955 : mem_out_dec = 6'b111111;
12'd2956 : mem_out_dec = 6'b111111;
12'd2957 : mem_out_dec = 6'b111111;
12'd2958 : mem_out_dec = 6'b111111;
12'd2959 : mem_out_dec = 6'b111111;
12'd2960 : mem_out_dec = 6'b111111;
12'd2961 : mem_out_dec = 6'b111111;
12'd2962 : mem_out_dec = 6'b111111;
12'd2963 : mem_out_dec = 6'b111111;
12'd2964 : mem_out_dec = 6'b111111;
12'd2965 : mem_out_dec = 6'b111111;
12'd2966 : mem_out_dec = 6'b111111;
12'd2967 : mem_out_dec = 6'b111111;
12'd2968 : mem_out_dec = 6'b111111;
12'd2969 : mem_out_dec = 6'b111111;
12'd2970 : mem_out_dec = 6'b111111;
12'd2971 : mem_out_dec = 6'b111111;
12'd2972 : mem_out_dec = 6'b111111;
12'd2973 : mem_out_dec = 6'b111111;
12'd2974 : mem_out_dec = 6'b111111;
12'd2975 : mem_out_dec = 6'b111111;
12'd2976 : mem_out_dec = 6'b111111;
12'd2977 : mem_out_dec = 6'b111111;
12'd2978 : mem_out_dec = 6'b111111;
12'd2979 : mem_out_dec = 6'b111111;
12'd2980 : mem_out_dec = 6'b111111;
12'd2981 : mem_out_dec = 6'b111111;
12'd2982 : mem_out_dec = 6'b111111;
12'd2983 : mem_out_dec = 6'b111111;
12'd2984 : mem_out_dec = 6'b111111;
12'd2985 : mem_out_dec = 6'b111111;
12'd2986 : mem_out_dec = 6'b111111;
12'd2987 : mem_out_dec = 6'b111111;
12'd2988 : mem_out_dec = 6'b111111;
12'd2989 : mem_out_dec = 6'b111111;
12'd2990 : mem_out_dec = 6'b111111;
12'd2991 : mem_out_dec = 6'b111111;
12'd2992 : mem_out_dec = 6'b111111;
12'd2993 : mem_out_dec = 6'b111111;
12'd2994 : mem_out_dec = 6'b111111;
12'd2995 : mem_out_dec = 6'b111111;
12'd2996 : mem_out_dec = 6'b000100;
12'd2997 : mem_out_dec = 6'b000101;
12'd2998 : mem_out_dec = 6'b000101;
12'd2999 : mem_out_dec = 6'b000110;
12'd3000 : mem_out_dec = 6'b000110;
12'd3001 : mem_out_dec = 6'b000111;
12'd3002 : mem_out_dec = 6'b000111;
12'd3003 : mem_out_dec = 6'b001000;
12'd3004 : mem_out_dec = 6'b001001;
12'd3005 : mem_out_dec = 6'b001010;
12'd3006 : mem_out_dec = 6'b001010;
12'd3007 : mem_out_dec = 6'b001011;
12'd3008 : mem_out_dec = 6'b111111;
12'd3009 : mem_out_dec = 6'b111111;
12'd3010 : mem_out_dec = 6'b111111;
12'd3011 : mem_out_dec = 6'b111111;
12'd3012 : mem_out_dec = 6'b111111;
12'd3013 : mem_out_dec = 6'b111111;
12'd3014 : mem_out_dec = 6'b111111;
12'd3015 : mem_out_dec = 6'b111111;
12'd3016 : mem_out_dec = 6'b111111;
12'd3017 : mem_out_dec = 6'b111111;
12'd3018 : mem_out_dec = 6'b111111;
12'd3019 : mem_out_dec = 6'b111111;
12'd3020 : mem_out_dec = 6'b111111;
12'd3021 : mem_out_dec = 6'b111111;
12'd3022 : mem_out_dec = 6'b111111;
12'd3023 : mem_out_dec = 6'b111111;
12'd3024 : mem_out_dec = 6'b111111;
12'd3025 : mem_out_dec = 6'b111111;
12'd3026 : mem_out_dec = 6'b111111;
12'd3027 : mem_out_dec = 6'b111111;
12'd3028 : mem_out_dec = 6'b111111;
12'd3029 : mem_out_dec = 6'b111111;
12'd3030 : mem_out_dec = 6'b111111;
12'd3031 : mem_out_dec = 6'b111111;
12'd3032 : mem_out_dec = 6'b111111;
12'd3033 : mem_out_dec = 6'b111111;
12'd3034 : mem_out_dec = 6'b111111;
12'd3035 : mem_out_dec = 6'b111111;
12'd3036 : mem_out_dec = 6'b111111;
12'd3037 : mem_out_dec = 6'b111111;
12'd3038 : mem_out_dec = 6'b111111;
12'd3039 : mem_out_dec = 6'b111111;
12'd3040 : mem_out_dec = 6'b111111;
12'd3041 : mem_out_dec = 6'b111111;
12'd3042 : mem_out_dec = 6'b111111;
12'd3043 : mem_out_dec = 6'b111111;
12'd3044 : mem_out_dec = 6'b111111;
12'd3045 : mem_out_dec = 6'b111111;
12'd3046 : mem_out_dec = 6'b111111;
12'd3047 : mem_out_dec = 6'b111111;
12'd3048 : mem_out_dec = 6'b111111;
12'd3049 : mem_out_dec = 6'b111111;
12'd3050 : mem_out_dec = 6'b111111;
12'd3051 : mem_out_dec = 6'b111111;
12'd3052 : mem_out_dec = 6'b111111;
12'd3053 : mem_out_dec = 6'b111111;
12'd3054 : mem_out_dec = 6'b111111;
12'd3055 : mem_out_dec = 6'b111111;
12'd3056 : mem_out_dec = 6'b111111;
12'd3057 : mem_out_dec = 6'b111111;
12'd3058 : mem_out_dec = 6'b111111;
12'd3059 : mem_out_dec = 6'b111111;
12'd3060 : mem_out_dec = 6'b111111;
12'd3061 : mem_out_dec = 6'b000100;
12'd3062 : mem_out_dec = 6'b000101;
12'd3063 : mem_out_dec = 6'b000110;
12'd3064 : mem_out_dec = 6'b000110;
12'd3065 : mem_out_dec = 6'b000111;
12'd3066 : mem_out_dec = 6'b000111;
12'd3067 : mem_out_dec = 6'b001000;
12'd3068 : mem_out_dec = 6'b001001;
12'd3069 : mem_out_dec = 6'b001001;
12'd3070 : mem_out_dec = 6'b001010;
12'd3071 : mem_out_dec = 6'b001011;
12'd3072 : mem_out_dec = 6'b111111;
12'd3073 : mem_out_dec = 6'b111111;
12'd3074 : mem_out_dec = 6'b111111;
12'd3075 : mem_out_dec = 6'b111111;
12'd3076 : mem_out_dec = 6'b111111;
12'd3077 : mem_out_dec = 6'b111111;
12'd3078 : mem_out_dec = 6'b111111;
12'd3079 : mem_out_dec = 6'b111111;
12'd3080 : mem_out_dec = 6'b111111;
12'd3081 : mem_out_dec = 6'b111111;
12'd3082 : mem_out_dec = 6'b111111;
12'd3083 : mem_out_dec = 6'b111111;
12'd3084 : mem_out_dec = 6'b111111;
12'd3085 : mem_out_dec = 6'b111111;
12'd3086 : mem_out_dec = 6'b111111;
12'd3087 : mem_out_dec = 6'b111111;
12'd3088 : mem_out_dec = 6'b111111;
12'd3089 : mem_out_dec = 6'b111111;
12'd3090 : mem_out_dec = 6'b111111;
12'd3091 : mem_out_dec = 6'b111111;
12'd3092 : mem_out_dec = 6'b111111;
12'd3093 : mem_out_dec = 6'b111111;
12'd3094 : mem_out_dec = 6'b111111;
12'd3095 : mem_out_dec = 6'b111111;
12'd3096 : mem_out_dec = 6'b111111;
12'd3097 : mem_out_dec = 6'b111111;
12'd3098 : mem_out_dec = 6'b111111;
12'd3099 : mem_out_dec = 6'b111111;
12'd3100 : mem_out_dec = 6'b111111;
12'd3101 : mem_out_dec = 6'b111111;
12'd3102 : mem_out_dec = 6'b111111;
12'd3103 : mem_out_dec = 6'b111111;
12'd3104 : mem_out_dec = 6'b111111;
12'd3105 : mem_out_dec = 6'b111111;
12'd3106 : mem_out_dec = 6'b111111;
12'd3107 : mem_out_dec = 6'b111111;
12'd3108 : mem_out_dec = 6'b111111;
12'd3109 : mem_out_dec = 6'b111111;
12'd3110 : mem_out_dec = 6'b111111;
12'd3111 : mem_out_dec = 6'b111111;
12'd3112 : mem_out_dec = 6'b111111;
12'd3113 : mem_out_dec = 6'b111111;
12'd3114 : mem_out_dec = 6'b111111;
12'd3115 : mem_out_dec = 6'b111111;
12'd3116 : mem_out_dec = 6'b111111;
12'd3117 : mem_out_dec = 6'b111111;
12'd3118 : mem_out_dec = 6'b111111;
12'd3119 : mem_out_dec = 6'b111111;
12'd3120 : mem_out_dec = 6'b111111;
12'd3121 : mem_out_dec = 6'b111111;
12'd3122 : mem_out_dec = 6'b111111;
12'd3123 : mem_out_dec = 6'b111111;
12'd3124 : mem_out_dec = 6'b111111;
12'd3125 : mem_out_dec = 6'b111111;
12'd3126 : mem_out_dec = 6'b000100;
12'd3127 : mem_out_dec = 6'b000101;
12'd3128 : mem_out_dec = 6'b000101;
12'd3129 : mem_out_dec = 6'b000110;
12'd3130 : mem_out_dec = 6'b000110;
12'd3131 : mem_out_dec = 6'b000111;
12'd3132 : mem_out_dec = 6'b001000;
12'd3133 : mem_out_dec = 6'b001000;
12'd3134 : mem_out_dec = 6'b001001;
12'd3135 : mem_out_dec = 6'b001010;
12'd3136 : mem_out_dec = 6'b111111;
12'd3137 : mem_out_dec = 6'b111111;
12'd3138 : mem_out_dec = 6'b111111;
12'd3139 : mem_out_dec = 6'b111111;
12'd3140 : mem_out_dec = 6'b111111;
12'd3141 : mem_out_dec = 6'b111111;
12'd3142 : mem_out_dec = 6'b111111;
12'd3143 : mem_out_dec = 6'b111111;
12'd3144 : mem_out_dec = 6'b111111;
12'd3145 : mem_out_dec = 6'b111111;
12'd3146 : mem_out_dec = 6'b111111;
12'd3147 : mem_out_dec = 6'b111111;
12'd3148 : mem_out_dec = 6'b111111;
12'd3149 : mem_out_dec = 6'b111111;
12'd3150 : mem_out_dec = 6'b111111;
12'd3151 : mem_out_dec = 6'b111111;
12'd3152 : mem_out_dec = 6'b111111;
12'd3153 : mem_out_dec = 6'b111111;
12'd3154 : mem_out_dec = 6'b111111;
12'd3155 : mem_out_dec = 6'b111111;
12'd3156 : mem_out_dec = 6'b111111;
12'd3157 : mem_out_dec = 6'b111111;
12'd3158 : mem_out_dec = 6'b111111;
12'd3159 : mem_out_dec = 6'b111111;
12'd3160 : mem_out_dec = 6'b111111;
12'd3161 : mem_out_dec = 6'b111111;
12'd3162 : mem_out_dec = 6'b111111;
12'd3163 : mem_out_dec = 6'b111111;
12'd3164 : mem_out_dec = 6'b111111;
12'd3165 : mem_out_dec = 6'b111111;
12'd3166 : mem_out_dec = 6'b111111;
12'd3167 : mem_out_dec = 6'b111111;
12'd3168 : mem_out_dec = 6'b111111;
12'd3169 : mem_out_dec = 6'b111111;
12'd3170 : mem_out_dec = 6'b111111;
12'd3171 : mem_out_dec = 6'b111111;
12'd3172 : mem_out_dec = 6'b111111;
12'd3173 : mem_out_dec = 6'b111111;
12'd3174 : mem_out_dec = 6'b111111;
12'd3175 : mem_out_dec = 6'b111111;
12'd3176 : mem_out_dec = 6'b111111;
12'd3177 : mem_out_dec = 6'b111111;
12'd3178 : mem_out_dec = 6'b111111;
12'd3179 : mem_out_dec = 6'b111111;
12'd3180 : mem_out_dec = 6'b111111;
12'd3181 : mem_out_dec = 6'b111111;
12'd3182 : mem_out_dec = 6'b111111;
12'd3183 : mem_out_dec = 6'b111111;
12'd3184 : mem_out_dec = 6'b111111;
12'd3185 : mem_out_dec = 6'b111111;
12'd3186 : mem_out_dec = 6'b111111;
12'd3187 : mem_out_dec = 6'b111111;
12'd3188 : mem_out_dec = 6'b111111;
12'd3189 : mem_out_dec = 6'b111111;
12'd3190 : mem_out_dec = 6'b111111;
12'd3191 : mem_out_dec = 6'b000100;
12'd3192 : mem_out_dec = 6'b000100;
12'd3193 : mem_out_dec = 6'b000101;
12'd3194 : mem_out_dec = 6'b000110;
12'd3195 : mem_out_dec = 6'b000110;
12'd3196 : mem_out_dec = 6'b000111;
12'd3197 : mem_out_dec = 6'b001000;
12'd3198 : mem_out_dec = 6'b001000;
12'd3199 : mem_out_dec = 6'b001001;
12'd3200 : mem_out_dec = 6'b111111;
12'd3201 : mem_out_dec = 6'b111111;
12'd3202 : mem_out_dec = 6'b111111;
12'd3203 : mem_out_dec = 6'b111111;
12'd3204 : mem_out_dec = 6'b111111;
12'd3205 : mem_out_dec = 6'b111111;
12'd3206 : mem_out_dec = 6'b111111;
12'd3207 : mem_out_dec = 6'b111111;
12'd3208 : mem_out_dec = 6'b111111;
12'd3209 : mem_out_dec = 6'b111111;
12'd3210 : mem_out_dec = 6'b111111;
12'd3211 : mem_out_dec = 6'b111111;
12'd3212 : mem_out_dec = 6'b111111;
12'd3213 : mem_out_dec = 6'b111111;
12'd3214 : mem_out_dec = 6'b111111;
12'd3215 : mem_out_dec = 6'b111111;
12'd3216 : mem_out_dec = 6'b111111;
12'd3217 : mem_out_dec = 6'b111111;
12'd3218 : mem_out_dec = 6'b111111;
12'd3219 : mem_out_dec = 6'b111111;
12'd3220 : mem_out_dec = 6'b111111;
12'd3221 : mem_out_dec = 6'b111111;
12'd3222 : mem_out_dec = 6'b111111;
12'd3223 : mem_out_dec = 6'b111111;
12'd3224 : mem_out_dec = 6'b111111;
12'd3225 : mem_out_dec = 6'b111111;
12'd3226 : mem_out_dec = 6'b111111;
12'd3227 : mem_out_dec = 6'b111111;
12'd3228 : mem_out_dec = 6'b111111;
12'd3229 : mem_out_dec = 6'b111111;
12'd3230 : mem_out_dec = 6'b111111;
12'd3231 : mem_out_dec = 6'b111111;
12'd3232 : mem_out_dec = 6'b111111;
12'd3233 : mem_out_dec = 6'b111111;
12'd3234 : mem_out_dec = 6'b111111;
12'd3235 : mem_out_dec = 6'b111111;
12'd3236 : mem_out_dec = 6'b111111;
12'd3237 : mem_out_dec = 6'b111111;
12'd3238 : mem_out_dec = 6'b111111;
12'd3239 : mem_out_dec = 6'b111111;
12'd3240 : mem_out_dec = 6'b111111;
12'd3241 : mem_out_dec = 6'b111111;
12'd3242 : mem_out_dec = 6'b111111;
12'd3243 : mem_out_dec = 6'b111111;
12'd3244 : mem_out_dec = 6'b111111;
12'd3245 : mem_out_dec = 6'b111111;
12'd3246 : mem_out_dec = 6'b111111;
12'd3247 : mem_out_dec = 6'b111111;
12'd3248 : mem_out_dec = 6'b111111;
12'd3249 : mem_out_dec = 6'b111111;
12'd3250 : mem_out_dec = 6'b111111;
12'd3251 : mem_out_dec = 6'b111111;
12'd3252 : mem_out_dec = 6'b111111;
12'd3253 : mem_out_dec = 6'b111111;
12'd3254 : mem_out_dec = 6'b111111;
12'd3255 : mem_out_dec = 6'b111111;
12'd3256 : mem_out_dec = 6'b000100;
12'd3257 : mem_out_dec = 6'b000100;
12'd3258 : mem_out_dec = 6'b000101;
12'd3259 : mem_out_dec = 6'b000110;
12'd3260 : mem_out_dec = 6'b000110;
12'd3261 : mem_out_dec = 6'b000111;
12'd3262 : mem_out_dec = 6'b001000;
12'd3263 : mem_out_dec = 6'b001001;
12'd3264 : mem_out_dec = 6'b111111;
12'd3265 : mem_out_dec = 6'b111111;
12'd3266 : mem_out_dec = 6'b111111;
12'd3267 : mem_out_dec = 6'b111111;
12'd3268 : mem_out_dec = 6'b111111;
12'd3269 : mem_out_dec = 6'b111111;
12'd3270 : mem_out_dec = 6'b111111;
12'd3271 : mem_out_dec = 6'b111111;
12'd3272 : mem_out_dec = 6'b111111;
12'd3273 : mem_out_dec = 6'b111111;
12'd3274 : mem_out_dec = 6'b111111;
12'd3275 : mem_out_dec = 6'b111111;
12'd3276 : mem_out_dec = 6'b111111;
12'd3277 : mem_out_dec = 6'b111111;
12'd3278 : mem_out_dec = 6'b111111;
12'd3279 : mem_out_dec = 6'b111111;
12'd3280 : mem_out_dec = 6'b111111;
12'd3281 : mem_out_dec = 6'b111111;
12'd3282 : mem_out_dec = 6'b111111;
12'd3283 : mem_out_dec = 6'b111111;
12'd3284 : mem_out_dec = 6'b111111;
12'd3285 : mem_out_dec = 6'b111111;
12'd3286 : mem_out_dec = 6'b111111;
12'd3287 : mem_out_dec = 6'b111111;
12'd3288 : mem_out_dec = 6'b111111;
12'd3289 : mem_out_dec = 6'b111111;
12'd3290 : mem_out_dec = 6'b111111;
12'd3291 : mem_out_dec = 6'b111111;
12'd3292 : mem_out_dec = 6'b111111;
12'd3293 : mem_out_dec = 6'b111111;
12'd3294 : mem_out_dec = 6'b111111;
12'd3295 : mem_out_dec = 6'b111111;
12'd3296 : mem_out_dec = 6'b111111;
12'd3297 : mem_out_dec = 6'b111111;
12'd3298 : mem_out_dec = 6'b111111;
12'd3299 : mem_out_dec = 6'b111111;
12'd3300 : mem_out_dec = 6'b111111;
12'd3301 : mem_out_dec = 6'b111111;
12'd3302 : mem_out_dec = 6'b111111;
12'd3303 : mem_out_dec = 6'b111111;
12'd3304 : mem_out_dec = 6'b111111;
12'd3305 : mem_out_dec = 6'b111111;
12'd3306 : mem_out_dec = 6'b111111;
12'd3307 : mem_out_dec = 6'b111111;
12'd3308 : mem_out_dec = 6'b111111;
12'd3309 : mem_out_dec = 6'b111111;
12'd3310 : mem_out_dec = 6'b111111;
12'd3311 : mem_out_dec = 6'b111111;
12'd3312 : mem_out_dec = 6'b111111;
12'd3313 : mem_out_dec = 6'b111111;
12'd3314 : mem_out_dec = 6'b111111;
12'd3315 : mem_out_dec = 6'b111111;
12'd3316 : mem_out_dec = 6'b111111;
12'd3317 : mem_out_dec = 6'b111111;
12'd3318 : mem_out_dec = 6'b111111;
12'd3319 : mem_out_dec = 6'b111111;
12'd3320 : mem_out_dec = 6'b111111;
12'd3321 : mem_out_dec = 6'b000100;
12'd3322 : mem_out_dec = 6'b000100;
12'd3323 : mem_out_dec = 6'b000101;
12'd3324 : mem_out_dec = 6'b000110;
12'd3325 : mem_out_dec = 6'b000111;
12'd3326 : mem_out_dec = 6'b001000;
12'd3327 : mem_out_dec = 6'b001000;
12'd3328 : mem_out_dec = 6'b111111;
12'd3329 : mem_out_dec = 6'b111111;
12'd3330 : mem_out_dec = 6'b111111;
12'd3331 : mem_out_dec = 6'b111111;
12'd3332 : mem_out_dec = 6'b111111;
12'd3333 : mem_out_dec = 6'b111111;
12'd3334 : mem_out_dec = 6'b111111;
12'd3335 : mem_out_dec = 6'b111111;
12'd3336 : mem_out_dec = 6'b111111;
12'd3337 : mem_out_dec = 6'b111111;
12'd3338 : mem_out_dec = 6'b111111;
12'd3339 : mem_out_dec = 6'b111111;
12'd3340 : mem_out_dec = 6'b111111;
12'd3341 : mem_out_dec = 6'b111111;
12'd3342 : mem_out_dec = 6'b111111;
12'd3343 : mem_out_dec = 6'b111111;
12'd3344 : mem_out_dec = 6'b111111;
12'd3345 : mem_out_dec = 6'b111111;
12'd3346 : mem_out_dec = 6'b111111;
12'd3347 : mem_out_dec = 6'b111111;
12'd3348 : mem_out_dec = 6'b111111;
12'd3349 : mem_out_dec = 6'b111111;
12'd3350 : mem_out_dec = 6'b111111;
12'd3351 : mem_out_dec = 6'b111111;
12'd3352 : mem_out_dec = 6'b111111;
12'd3353 : mem_out_dec = 6'b111111;
12'd3354 : mem_out_dec = 6'b111111;
12'd3355 : mem_out_dec = 6'b111111;
12'd3356 : mem_out_dec = 6'b111111;
12'd3357 : mem_out_dec = 6'b111111;
12'd3358 : mem_out_dec = 6'b111111;
12'd3359 : mem_out_dec = 6'b111111;
12'd3360 : mem_out_dec = 6'b111111;
12'd3361 : mem_out_dec = 6'b111111;
12'd3362 : mem_out_dec = 6'b111111;
12'd3363 : mem_out_dec = 6'b111111;
12'd3364 : mem_out_dec = 6'b111111;
12'd3365 : mem_out_dec = 6'b111111;
12'd3366 : mem_out_dec = 6'b111111;
12'd3367 : mem_out_dec = 6'b111111;
12'd3368 : mem_out_dec = 6'b111111;
12'd3369 : mem_out_dec = 6'b111111;
12'd3370 : mem_out_dec = 6'b111111;
12'd3371 : mem_out_dec = 6'b111111;
12'd3372 : mem_out_dec = 6'b111111;
12'd3373 : mem_out_dec = 6'b111111;
12'd3374 : mem_out_dec = 6'b111111;
12'd3375 : mem_out_dec = 6'b111111;
12'd3376 : mem_out_dec = 6'b111111;
12'd3377 : mem_out_dec = 6'b111111;
12'd3378 : mem_out_dec = 6'b111111;
12'd3379 : mem_out_dec = 6'b111111;
12'd3380 : mem_out_dec = 6'b111111;
12'd3381 : mem_out_dec = 6'b111111;
12'd3382 : mem_out_dec = 6'b111111;
12'd3383 : mem_out_dec = 6'b111111;
12'd3384 : mem_out_dec = 6'b111111;
12'd3385 : mem_out_dec = 6'b111111;
12'd3386 : mem_out_dec = 6'b000100;
12'd3387 : mem_out_dec = 6'b000101;
12'd3388 : mem_out_dec = 6'b000110;
12'd3389 : mem_out_dec = 6'b000110;
12'd3390 : mem_out_dec = 6'b000111;
12'd3391 : mem_out_dec = 6'b001000;
12'd3392 : mem_out_dec = 6'b111111;
12'd3393 : mem_out_dec = 6'b111111;
12'd3394 : mem_out_dec = 6'b111111;
12'd3395 : mem_out_dec = 6'b111111;
12'd3396 : mem_out_dec = 6'b111111;
12'd3397 : mem_out_dec = 6'b111111;
12'd3398 : mem_out_dec = 6'b111111;
12'd3399 : mem_out_dec = 6'b111111;
12'd3400 : mem_out_dec = 6'b111111;
12'd3401 : mem_out_dec = 6'b111111;
12'd3402 : mem_out_dec = 6'b111111;
12'd3403 : mem_out_dec = 6'b111111;
12'd3404 : mem_out_dec = 6'b111111;
12'd3405 : mem_out_dec = 6'b111111;
12'd3406 : mem_out_dec = 6'b111111;
12'd3407 : mem_out_dec = 6'b111111;
12'd3408 : mem_out_dec = 6'b111111;
12'd3409 : mem_out_dec = 6'b111111;
12'd3410 : mem_out_dec = 6'b111111;
12'd3411 : mem_out_dec = 6'b111111;
12'd3412 : mem_out_dec = 6'b111111;
12'd3413 : mem_out_dec = 6'b111111;
12'd3414 : mem_out_dec = 6'b111111;
12'd3415 : mem_out_dec = 6'b111111;
12'd3416 : mem_out_dec = 6'b111111;
12'd3417 : mem_out_dec = 6'b111111;
12'd3418 : mem_out_dec = 6'b111111;
12'd3419 : mem_out_dec = 6'b111111;
12'd3420 : mem_out_dec = 6'b111111;
12'd3421 : mem_out_dec = 6'b111111;
12'd3422 : mem_out_dec = 6'b111111;
12'd3423 : mem_out_dec = 6'b111111;
12'd3424 : mem_out_dec = 6'b111111;
12'd3425 : mem_out_dec = 6'b111111;
12'd3426 : mem_out_dec = 6'b111111;
12'd3427 : mem_out_dec = 6'b111111;
12'd3428 : mem_out_dec = 6'b111111;
12'd3429 : mem_out_dec = 6'b111111;
12'd3430 : mem_out_dec = 6'b111111;
12'd3431 : mem_out_dec = 6'b111111;
12'd3432 : mem_out_dec = 6'b111111;
12'd3433 : mem_out_dec = 6'b111111;
12'd3434 : mem_out_dec = 6'b111111;
12'd3435 : mem_out_dec = 6'b111111;
12'd3436 : mem_out_dec = 6'b111111;
12'd3437 : mem_out_dec = 6'b111111;
12'd3438 : mem_out_dec = 6'b111111;
12'd3439 : mem_out_dec = 6'b111111;
12'd3440 : mem_out_dec = 6'b111111;
12'd3441 : mem_out_dec = 6'b111111;
12'd3442 : mem_out_dec = 6'b111111;
12'd3443 : mem_out_dec = 6'b111111;
12'd3444 : mem_out_dec = 6'b111111;
12'd3445 : mem_out_dec = 6'b111111;
12'd3446 : mem_out_dec = 6'b111111;
12'd3447 : mem_out_dec = 6'b111111;
12'd3448 : mem_out_dec = 6'b111111;
12'd3449 : mem_out_dec = 6'b111111;
12'd3450 : mem_out_dec = 6'b111111;
12'd3451 : mem_out_dec = 6'b000100;
12'd3452 : mem_out_dec = 6'b000101;
12'd3453 : mem_out_dec = 6'b000110;
12'd3454 : mem_out_dec = 6'b000111;
12'd3455 : mem_out_dec = 6'b001000;
12'd3456 : mem_out_dec = 6'b111111;
12'd3457 : mem_out_dec = 6'b111111;
12'd3458 : mem_out_dec = 6'b111111;
12'd3459 : mem_out_dec = 6'b111111;
12'd3460 : mem_out_dec = 6'b111111;
12'd3461 : mem_out_dec = 6'b111111;
12'd3462 : mem_out_dec = 6'b111111;
12'd3463 : mem_out_dec = 6'b111111;
12'd3464 : mem_out_dec = 6'b111111;
12'd3465 : mem_out_dec = 6'b111111;
12'd3466 : mem_out_dec = 6'b111111;
12'd3467 : mem_out_dec = 6'b111111;
12'd3468 : mem_out_dec = 6'b111111;
12'd3469 : mem_out_dec = 6'b111111;
12'd3470 : mem_out_dec = 6'b111111;
12'd3471 : mem_out_dec = 6'b111111;
12'd3472 : mem_out_dec = 6'b111111;
12'd3473 : mem_out_dec = 6'b111111;
12'd3474 : mem_out_dec = 6'b111111;
12'd3475 : mem_out_dec = 6'b111111;
12'd3476 : mem_out_dec = 6'b111111;
12'd3477 : mem_out_dec = 6'b111111;
12'd3478 : mem_out_dec = 6'b111111;
12'd3479 : mem_out_dec = 6'b111111;
12'd3480 : mem_out_dec = 6'b111111;
12'd3481 : mem_out_dec = 6'b111111;
12'd3482 : mem_out_dec = 6'b111111;
12'd3483 : mem_out_dec = 6'b111111;
12'd3484 : mem_out_dec = 6'b111111;
12'd3485 : mem_out_dec = 6'b111111;
12'd3486 : mem_out_dec = 6'b111111;
12'd3487 : mem_out_dec = 6'b111111;
12'd3488 : mem_out_dec = 6'b111111;
12'd3489 : mem_out_dec = 6'b111111;
12'd3490 : mem_out_dec = 6'b111111;
12'd3491 : mem_out_dec = 6'b111111;
12'd3492 : mem_out_dec = 6'b111111;
12'd3493 : mem_out_dec = 6'b111111;
12'd3494 : mem_out_dec = 6'b111111;
12'd3495 : mem_out_dec = 6'b111111;
12'd3496 : mem_out_dec = 6'b111111;
12'd3497 : mem_out_dec = 6'b111111;
12'd3498 : mem_out_dec = 6'b111111;
12'd3499 : mem_out_dec = 6'b111111;
12'd3500 : mem_out_dec = 6'b111111;
12'd3501 : mem_out_dec = 6'b111111;
12'd3502 : mem_out_dec = 6'b111111;
12'd3503 : mem_out_dec = 6'b111111;
12'd3504 : mem_out_dec = 6'b111111;
12'd3505 : mem_out_dec = 6'b111111;
12'd3506 : mem_out_dec = 6'b111111;
12'd3507 : mem_out_dec = 6'b111111;
12'd3508 : mem_out_dec = 6'b111111;
12'd3509 : mem_out_dec = 6'b111111;
12'd3510 : mem_out_dec = 6'b111111;
12'd3511 : mem_out_dec = 6'b111111;
12'd3512 : mem_out_dec = 6'b111111;
12'd3513 : mem_out_dec = 6'b111111;
12'd3514 : mem_out_dec = 6'b111111;
12'd3515 : mem_out_dec = 6'b111111;
12'd3516 : mem_out_dec = 6'b000101;
12'd3517 : mem_out_dec = 6'b000110;
12'd3518 : mem_out_dec = 6'b000110;
12'd3519 : mem_out_dec = 6'b000111;
12'd3520 : mem_out_dec = 6'b111111;
12'd3521 : mem_out_dec = 6'b111111;
12'd3522 : mem_out_dec = 6'b111111;
12'd3523 : mem_out_dec = 6'b111111;
12'd3524 : mem_out_dec = 6'b111111;
12'd3525 : mem_out_dec = 6'b111111;
12'd3526 : mem_out_dec = 6'b111111;
12'd3527 : mem_out_dec = 6'b111111;
12'd3528 : mem_out_dec = 6'b111111;
12'd3529 : mem_out_dec = 6'b111111;
12'd3530 : mem_out_dec = 6'b111111;
12'd3531 : mem_out_dec = 6'b111111;
12'd3532 : mem_out_dec = 6'b111111;
12'd3533 : mem_out_dec = 6'b111111;
12'd3534 : mem_out_dec = 6'b111111;
12'd3535 : mem_out_dec = 6'b111111;
12'd3536 : mem_out_dec = 6'b111111;
12'd3537 : mem_out_dec = 6'b111111;
12'd3538 : mem_out_dec = 6'b111111;
12'd3539 : mem_out_dec = 6'b111111;
12'd3540 : mem_out_dec = 6'b111111;
12'd3541 : mem_out_dec = 6'b111111;
12'd3542 : mem_out_dec = 6'b111111;
12'd3543 : mem_out_dec = 6'b111111;
12'd3544 : mem_out_dec = 6'b111111;
12'd3545 : mem_out_dec = 6'b111111;
12'd3546 : mem_out_dec = 6'b111111;
12'd3547 : mem_out_dec = 6'b111111;
12'd3548 : mem_out_dec = 6'b111111;
12'd3549 : mem_out_dec = 6'b111111;
12'd3550 : mem_out_dec = 6'b111111;
12'd3551 : mem_out_dec = 6'b111111;
12'd3552 : mem_out_dec = 6'b111111;
12'd3553 : mem_out_dec = 6'b111111;
12'd3554 : mem_out_dec = 6'b111111;
12'd3555 : mem_out_dec = 6'b111111;
12'd3556 : mem_out_dec = 6'b111111;
12'd3557 : mem_out_dec = 6'b111111;
12'd3558 : mem_out_dec = 6'b111111;
12'd3559 : mem_out_dec = 6'b111111;
12'd3560 : mem_out_dec = 6'b111111;
12'd3561 : mem_out_dec = 6'b111111;
12'd3562 : mem_out_dec = 6'b111111;
12'd3563 : mem_out_dec = 6'b111111;
12'd3564 : mem_out_dec = 6'b111111;
12'd3565 : mem_out_dec = 6'b111111;
12'd3566 : mem_out_dec = 6'b111111;
12'd3567 : mem_out_dec = 6'b111111;
12'd3568 : mem_out_dec = 6'b111111;
12'd3569 : mem_out_dec = 6'b111111;
12'd3570 : mem_out_dec = 6'b111111;
12'd3571 : mem_out_dec = 6'b111111;
12'd3572 : mem_out_dec = 6'b111111;
12'd3573 : mem_out_dec = 6'b111111;
12'd3574 : mem_out_dec = 6'b111111;
12'd3575 : mem_out_dec = 6'b111111;
12'd3576 : mem_out_dec = 6'b111111;
12'd3577 : mem_out_dec = 6'b111111;
12'd3578 : mem_out_dec = 6'b111111;
12'd3579 : mem_out_dec = 6'b111111;
12'd3580 : mem_out_dec = 6'b111111;
12'd3581 : mem_out_dec = 6'b000101;
12'd3582 : mem_out_dec = 6'b000110;
12'd3583 : mem_out_dec = 6'b000110;
12'd3584 : mem_out_dec = 6'b111111;
12'd3585 : mem_out_dec = 6'b111111;
12'd3586 : mem_out_dec = 6'b111111;
12'd3587 : mem_out_dec = 6'b111111;
12'd3588 : mem_out_dec = 6'b111111;
12'd3589 : mem_out_dec = 6'b111111;
12'd3590 : mem_out_dec = 6'b111111;
12'd3591 : mem_out_dec = 6'b111111;
12'd3592 : mem_out_dec = 6'b111111;
12'd3593 : mem_out_dec = 6'b111111;
12'd3594 : mem_out_dec = 6'b111111;
12'd3595 : mem_out_dec = 6'b111111;
12'd3596 : mem_out_dec = 6'b111111;
12'd3597 : mem_out_dec = 6'b111111;
12'd3598 : mem_out_dec = 6'b111111;
12'd3599 : mem_out_dec = 6'b111111;
12'd3600 : mem_out_dec = 6'b111111;
12'd3601 : mem_out_dec = 6'b111111;
12'd3602 : mem_out_dec = 6'b111111;
12'd3603 : mem_out_dec = 6'b111111;
12'd3604 : mem_out_dec = 6'b111111;
12'd3605 : mem_out_dec = 6'b111111;
12'd3606 : mem_out_dec = 6'b111111;
12'd3607 : mem_out_dec = 6'b111111;
12'd3608 : mem_out_dec = 6'b111111;
12'd3609 : mem_out_dec = 6'b111111;
12'd3610 : mem_out_dec = 6'b111111;
12'd3611 : mem_out_dec = 6'b111111;
12'd3612 : mem_out_dec = 6'b111111;
12'd3613 : mem_out_dec = 6'b111111;
12'd3614 : mem_out_dec = 6'b111111;
12'd3615 : mem_out_dec = 6'b111111;
12'd3616 : mem_out_dec = 6'b111111;
12'd3617 : mem_out_dec = 6'b111111;
12'd3618 : mem_out_dec = 6'b111111;
12'd3619 : mem_out_dec = 6'b111111;
12'd3620 : mem_out_dec = 6'b111111;
12'd3621 : mem_out_dec = 6'b111111;
12'd3622 : mem_out_dec = 6'b111111;
12'd3623 : mem_out_dec = 6'b111111;
12'd3624 : mem_out_dec = 6'b111111;
12'd3625 : mem_out_dec = 6'b111111;
12'd3626 : mem_out_dec = 6'b111111;
12'd3627 : mem_out_dec = 6'b111111;
12'd3628 : mem_out_dec = 6'b111111;
12'd3629 : mem_out_dec = 6'b111111;
12'd3630 : mem_out_dec = 6'b111111;
12'd3631 : mem_out_dec = 6'b111111;
12'd3632 : mem_out_dec = 6'b111111;
12'd3633 : mem_out_dec = 6'b111111;
12'd3634 : mem_out_dec = 6'b111111;
12'd3635 : mem_out_dec = 6'b111111;
12'd3636 : mem_out_dec = 6'b111111;
12'd3637 : mem_out_dec = 6'b111111;
12'd3638 : mem_out_dec = 6'b111111;
12'd3639 : mem_out_dec = 6'b111111;
12'd3640 : mem_out_dec = 6'b111111;
12'd3641 : mem_out_dec = 6'b111111;
12'd3642 : mem_out_dec = 6'b111111;
12'd3643 : mem_out_dec = 6'b111111;
12'd3644 : mem_out_dec = 6'b111111;
12'd3645 : mem_out_dec = 6'b111111;
12'd3646 : mem_out_dec = 6'b000100;
12'd3647 : mem_out_dec = 6'b000101;
12'd3648 : mem_out_dec = 6'b111111;
12'd3649 : mem_out_dec = 6'b111111;
12'd3650 : mem_out_dec = 6'b111111;
12'd3651 : mem_out_dec = 6'b111111;
12'd3652 : mem_out_dec = 6'b111111;
12'd3653 : mem_out_dec = 6'b111111;
12'd3654 : mem_out_dec = 6'b111111;
12'd3655 : mem_out_dec = 6'b111111;
12'd3656 : mem_out_dec = 6'b111111;
12'd3657 : mem_out_dec = 6'b111111;
12'd3658 : mem_out_dec = 6'b111111;
12'd3659 : mem_out_dec = 6'b111111;
12'd3660 : mem_out_dec = 6'b111111;
12'd3661 : mem_out_dec = 6'b111111;
12'd3662 : mem_out_dec = 6'b111111;
12'd3663 : mem_out_dec = 6'b111111;
12'd3664 : mem_out_dec = 6'b111111;
12'd3665 : mem_out_dec = 6'b111111;
12'd3666 : mem_out_dec = 6'b111111;
12'd3667 : mem_out_dec = 6'b111111;
12'd3668 : mem_out_dec = 6'b111111;
12'd3669 : mem_out_dec = 6'b111111;
12'd3670 : mem_out_dec = 6'b111111;
12'd3671 : mem_out_dec = 6'b111111;
12'd3672 : mem_out_dec = 6'b111111;
12'd3673 : mem_out_dec = 6'b111111;
12'd3674 : mem_out_dec = 6'b111111;
12'd3675 : mem_out_dec = 6'b111111;
12'd3676 : mem_out_dec = 6'b111111;
12'd3677 : mem_out_dec = 6'b111111;
12'd3678 : mem_out_dec = 6'b111111;
12'd3679 : mem_out_dec = 6'b111111;
12'd3680 : mem_out_dec = 6'b111111;
12'd3681 : mem_out_dec = 6'b111111;
12'd3682 : mem_out_dec = 6'b111111;
12'd3683 : mem_out_dec = 6'b111111;
12'd3684 : mem_out_dec = 6'b111111;
12'd3685 : mem_out_dec = 6'b111111;
12'd3686 : mem_out_dec = 6'b111111;
12'd3687 : mem_out_dec = 6'b111111;
12'd3688 : mem_out_dec = 6'b111111;
12'd3689 : mem_out_dec = 6'b111111;
12'd3690 : mem_out_dec = 6'b111111;
12'd3691 : mem_out_dec = 6'b111111;
12'd3692 : mem_out_dec = 6'b111111;
12'd3693 : mem_out_dec = 6'b111111;
12'd3694 : mem_out_dec = 6'b111111;
12'd3695 : mem_out_dec = 6'b111111;
12'd3696 : mem_out_dec = 6'b111111;
12'd3697 : mem_out_dec = 6'b111111;
12'd3698 : mem_out_dec = 6'b111111;
12'd3699 : mem_out_dec = 6'b111111;
12'd3700 : mem_out_dec = 6'b111111;
12'd3701 : mem_out_dec = 6'b111111;
12'd3702 : mem_out_dec = 6'b111111;
12'd3703 : mem_out_dec = 6'b111111;
12'd3704 : mem_out_dec = 6'b111111;
12'd3705 : mem_out_dec = 6'b111111;
12'd3706 : mem_out_dec = 6'b111111;
12'd3707 : mem_out_dec = 6'b111111;
12'd3708 : mem_out_dec = 6'b111111;
12'd3709 : mem_out_dec = 6'b111111;
12'd3710 : mem_out_dec = 6'b111111;
12'd3711 : mem_out_dec = 6'b000100;
12'd3712 : mem_out_dec = 6'b111111;
12'd3713 : mem_out_dec = 6'b111111;
12'd3714 : mem_out_dec = 6'b111111;
12'd3715 : mem_out_dec = 6'b111111;
12'd3716 : mem_out_dec = 6'b111111;
12'd3717 : mem_out_dec = 6'b111111;
12'd3718 : mem_out_dec = 6'b111111;
12'd3719 : mem_out_dec = 6'b111111;
12'd3720 : mem_out_dec = 6'b111111;
12'd3721 : mem_out_dec = 6'b111111;
12'd3722 : mem_out_dec = 6'b111111;
12'd3723 : mem_out_dec = 6'b111111;
12'd3724 : mem_out_dec = 6'b111111;
12'd3725 : mem_out_dec = 6'b111111;
12'd3726 : mem_out_dec = 6'b111111;
12'd3727 : mem_out_dec = 6'b111111;
12'd3728 : mem_out_dec = 6'b111111;
12'd3729 : mem_out_dec = 6'b111111;
12'd3730 : mem_out_dec = 6'b111111;
12'd3731 : mem_out_dec = 6'b111111;
12'd3732 : mem_out_dec = 6'b111111;
12'd3733 : mem_out_dec = 6'b111111;
12'd3734 : mem_out_dec = 6'b111111;
12'd3735 : mem_out_dec = 6'b111111;
12'd3736 : mem_out_dec = 6'b111111;
12'd3737 : mem_out_dec = 6'b111111;
12'd3738 : mem_out_dec = 6'b111111;
12'd3739 : mem_out_dec = 6'b111111;
12'd3740 : mem_out_dec = 6'b111111;
12'd3741 : mem_out_dec = 6'b111111;
12'd3742 : mem_out_dec = 6'b111111;
12'd3743 : mem_out_dec = 6'b111111;
12'd3744 : mem_out_dec = 6'b111111;
12'd3745 : mem_out_dec = 6'b111111;
12'd3746 : mem_out_dec = 6'b111111;
12'd3747 : mem_out_dec = 6'b111111;
12'd3748 : mem_out_dec = 6'b111111;
12'd3749 : mem_out_dec = 6'b111111;
12'd3750 : mem_out_dec = 6'b111111;
12'd3751 : mem_out_dec = 6'b111111;
12'd3752 : mem_out_dec = 6'b111111;
12'd3753 : mem_out_dec = 6'b111111;
12'd3754 : mem_out_dec = 6'b111111;
12'd3755 : mem_out_dec = 6'b111111;
12'd3756 : mem_out_dec = 6'b111111;
12'd3757 : mem_out_dec = 6'b111111;
12'd3758 : mem_out_dec = 6'b111111;
12'd3759 : mem_out_dec = 6'b111111;
12'd3760 : mem_out_dec = 6'b111111;
12'd3761 : mem_out_dec = 6'b111111;
12'd3762 : mem_out_dec = 6'b111111;
12'd3763 : mem_out_dec = 6'b111111;
12'd3764 : mem_out_dec = 6'b111111;
12'd3765 : mem_out_dec = 6'b111111;
12'd3766 : mem_out_dec = 6'b111111;
12'd3767 : mem_out_dec = 6'b111111;
12'd3768 : mem_out_dec = 6'b111111;
12'd3769 : mem_out_dec = 6'b111111;
12'd3770 : mem_out_dec = 6'b111111;
12'd3771 : mem_out_dec = 6'b111111;
12'd3772 : mem_out_dec = 6'b111111;
12'd3773 : mem_out_dec = 6'b111111;
12'd3774 : mem_out_dec = 6'b111111;
12'd3775 : mem_out_dec = 6'b111111;
12'd3776 : mem_out_dec = 6'b111111;
12'd3777 : mem_out_dec = 6'b111111;
12'd3778 : mem_out_dec = 6'b111111;
12'd3779 : mem_out_dec = 6'b111111;
12'd3780 : mem_out_dec = 6'b111111;
12'd3781 : mem_out_dec = 6'b111111;
12'd3782 : mem_out_dec = 6'b111111;
12'd3783 : mem_out_dec = 6'b111111;
12'd3784 : mem_out_dec = 6'b111111;
12'd3785 : mem_out_dec = 6'b111111;
12'd3786 : mem_out_dec = 6'b111111;
12'd3787 : mem_out_dec = 6'b111111;
12'd3788 : mem_out_dec = 6'b111111;
12'd3789 : mem_out_dec = 6'b111111;
12'd3790 : mem_out_dec = 6'b111111;
12'd3791 : mem_out_dec = 6'b111111;
12'd3792 : mem_out_dec = 6'b111111;
12'd3793 : mem_out_dec = 6'b111111;
12'd3794 : mem_out_dec = 6'b111111;
12'd3795 : mem_out_dec = 6'b111111;
12'd3796 : mem_out_dec = 6'b111111;
12'd3797 : mem_out_dec = 6'b111111;
12'd3798 : mem_out_dec = 6'b111111;
12'd3799 : mem_out_dec = 6'b111111;
12'd3800 : mem_out_dec = 6'b111111;
12'd3801 : mem_out_dec = 6'b111111;
12'd3802 : mem_out_dec = 6'b111111;
12'd3803 : mem_out_dec = 6'b111111;
12'd3804 : mem_out_dec = 6'b111111;
12'd3805 : mem_out_dec = 6'b111111;
12'd3806 : mem_out_dec = 6'b111111;
12'd3807 : mem_out_dec = 6'b111111;
12'd3808 : mem_out_dec = 6'b111111;
12'd3809 : mem_out_dec = 6'b111111;
12'd3810 : mem_out_dec = 6'b111111;
12'd3811 : mem_out_dec = 6'b111111;
12'd3812 : mem_out_dec = 6'b111111;
12'd3813 : mem_out_dec = 6'b111111;
12'd3814 : mem_out_dec = 6'b111111;
12'd3815 : mem_out_dec = 6'b111111;
12'd3816 : mem_out_dec = 6'b111111;
12'd3817 : mem_out_dec = 6'b111111;
12'd3818 : mem_out_dec = 6'b111111;
12'd3819 : mem_out_dec = 6'b111111;
12'd3820 : mem_out_dec = 6'b111111;
12'd3821 : mem_out_dec = 6'b111111;
12'd3822 : mem_out_dec = 6'b111111;
12'd3823 : mem_out_dec = 6'b111111;
12'd3824 : mem_out_dec = 6'b111111;
12'd3825 : mem_out_dec = 6'b111111;
12'd3826 : mem_out_dec = 6'b111111;
12'd3827 : mem_out_dec = 6'b111111;
12'd3828 : mem_out_dec = 6'b111111;
12'd3829 : mem_out_dec = 6'b111111;
12'd3830 : mem_out_dec = 6'b111111;
12'd3831 : mem_out_dec = 6'b111111;
12'd3832 : mem_out_dec = 6'b111111;
12'd3833 : mem_out_dec = 6'b111111;
12'd3834 : mem_out_dec = 6'b111111;
12'd3835 : mem_out_dec = 6'b111111;
12'd3836 : mem_out_dec = 6'b111111;
12'd3837 : mem_out_dec = 6'b111111;
12'd3838 : mem_out_dec = 6'b111111;
12'd3839 : mem_out_dec = 6'b111111;
12'd3840 : mem_out_dec = 6'b111111;
12'd3841 : mem_out_dec = 6'b111111;
12'd3842 : mem_out_dec = 6'b111111;
12'd3843 : mem_out_dec = 6'b111111;
12'd3844 : mem_out_dec = 6'b111111;
12'd3845 : mem_out_dec = 6'b111111;
12'd3846 : mem_out_dec = 6'b111111;
12'd3847 : mem_out_dec = 6'b111111;
12'd3848 : mem_out_dec = 6'b111111;
12'd3849 : mem_out_dec = 6'b111111;
12'd3850 : mem_out_dec = 6'b111111;
12'd3851 : mem_out_dec = 6'b111111;
12'd3852 : mem_out_dec = 6'b111111;
12'd3853 : mem_out_dec = 6'b111111;
12'd3854 : mem_out_dec = 6'b111111;
12'd3855 : mem_out_dec = 6'b111111;
12'd3856 : mem_out_dec = 6'b111111;
12'd3857 : mem_out_dec = 6'b111111;
12'd3858 : mem_out_dec = 6'b111111;
12'd3859 : mem_out_dec = 6'b111111;
12'd3860 : mem_out_dec = 6'b111111;
12'd3861 : mem_out_dec = 6'b111111;
12'd3862 : mem_out_dec = 6'b111111;
12'd3863 : mem_out_dec = 6'b111111;
12'd3864 : mem_out_dec = 6'b111111;
12'd3865 : mem_out_dec = 6'b111111;
12'd3866 : mem_out_dec = 6'b111111;
12'd3867 : mem_out_dec = 6'b111111;
12'd3868 : mem_out_dec = 6'b111111;
12'd3869 : mem_out_dec = 6'b111111;
12'd3870 : mem_out_dec = 6'b111111;
12'd3871 : mem_out_dec = 6'b111111;
12'd3872 : mem_out_dec = 6'b111111;
12'd3873 : mem_out_dec = 6'b111111;
12'd3874 : mem_out_dec = 6'b111111;
12'd3875 : mem_out_dec = 6'b111111;
12'd3876 : mem_out_dec = 6'b111111;
12'd3877 : mem_out_dec = 6'b111111;
12'd3878 : mem_out_dec = 6'b111111;
12'd3879 : mem_out_dec = 6'b111111;
12'd3880 : mem_out_dec = 6'b111111;
12'd3881 : mem_out_dec = 6'b111111;
12'd3882 : mem_out_dec = 6'b111111;
12'd3883 : mem_out_dec = 6'b111111;
12'd3884 : mem_out_dec = 6'b111111;
12'd3885 : mem_out_dec = 6'b111111;
12'd3886 : mem_out_dec = 6'b111111;
12'd3887 : mem_out_dec = 6'b111111;
12'd3888 : mem_out_dec = 6'b111111;
12'd3889 : mem_out_dec = 6'b111111;
12'd3890 : mem_out_dec = 6'b111111;
12'd3891 : mem_out_dec = 6'b111111;
12'd3892 : mem_out_dec = 6'b111111;
12'd3893 : mem_out_dec = 6'b111111;
12'd3894 : mem_out_dec = 6'b111111;
12'd3895 : mem_out_dec = 6'b111111;
12'd3896 : mem_out_dec = 6'b111111;
12'd3897 : mem_out_dec = 6'b111111;
12'd3898 : mem_out_dec = 6'b111111;
12'd3899 : mem_out_dec = 6'b111111;
12'd3900 : mem_out_dec = 6'b111111;
12'd3901 : mem_out_dec = 6'b111111;
12'd3902 : mem_out_dec = 6'b111111;
12'd3903 : mem_out_dec = 6'b111111;
12'd3904 : mem_out_dec = 6'b111111;
12'd3905 : mem_out_dec = 6'b111111;
12'd3906 : mem_out_dec = 6'b111111;
12'd3907 : mem_out_dec = 6'b111111;
12'd3908 : mem_out_dec = 6'b111111;
12'd3909 : mem_out_dec = 6'b111111;
12'd3910 : mem_out_dec = 6'b111111;
12'd3911 : mem_out_dec = 6'b111111;
12'd3912 : mem_out_dec = 6'b111111;
12'd3913 : mem_out_dec = 6'b111111;
12'd3914 : mem_out_dec = 6'b111111;
12'd3915 : mem_out_dec = 6'b111111;
12'd3916 : mem_out_dec = 6'b111111;
12'd3917 : mem_out_dec = 6'b111111;
12'd3918 : mem_out_dec = 6'b111111;
12'd3919 : mem_out_dec = 6'b111111;
12'd3920 : mem_out_dec = 6'b111111;
12'd3921 : mem_out_dec = 6'b111111;
12'd3922 : mem_out_dec = 6'b111111;
12'd3923 : mem_out_dec = 6'b111111;
12'd3924 : mem_out_dec = 6'b111111;
12'd3925 : mem_out_dec = 6'b111111;
12'd3926 : mem_out_dec = 6'b111111;
12'd3927 : mem_out_dec = 6'b111111;
12'd3928 : mem_out_dec = 6'b111111;
12'd3929 : mem_out_dec = 6'b111111;
12'd3930 : mem_out_dec = 6'b111111;
12'd3931 : mem_out_dec = 6'b111111;
12'd3932 : mem_out_dec = 6'b111111;
12'd3933 : mem_out_dec = 6'b111111;
12'd3934 : mem_out_dec = 6'b111111;
12'd3935 : mem_out_dec = 6'b111111;
12'd3936 : mem_out_dec = 6'b111111;
12'd3937 : mem_out_dec = 6'b111111;
12'd3938 : mem_out_dec = 6'b111111;
12'd3939 : mem_out_dec = 6'b111111;
12'd3940 : mem_out_dec = 6'b111111;
12'd3941 : mem_out_dec = 6'b111111;
12'd3942 : mem_out_dec = 6'b111111;
12'd3943 : mem_out_dec = 6'b111111;
12'd3944 : mem_out_dec = 6'b111111;
12'd3945 : mem_out_dec = 6'b111111;
12'd3946 : mem_out_dec = 6'b111111;
12'd3947 : mem_out_dec = 6'b111111;
12'd3948 : mem_out_dec = 6'b111111;
12'd3949 : mem_out_dec = 6'b111111;
12'd3950 : mem_out_dec = 6'b111111;
12'd3951 : mem_out_dec = 6'b111111;
12'd3952 : mem_out_dec = 6'b111111;
12'd3953 : mem_out_dec = 6'b111111;
12'd3954 : mem_out_dec = 6'b111111;
12'd3955 : mem_out_dec = 6'b111111;
12'd3956 : mem_out_dec = 6'b111111;
12'd3957 : mem_out_dec = 6'b111111;
12'd3958 : mem_out_dec = 6'b111111;
12'd3959 : mem_out_dec = 6'b111111;
12'd3960 : mem_out_dec = 6'b111111;
12'd3961 : mem_out_dec = 6'b111111;
12'd3962 : mem_out_dec = 6'b111111;
12'd3963 : mem_out_dec = 6'b111111;
12'd3964 : mem_out_dec = 6'b111111;
12'd3965 : mem_out_dec = 6'b111111;
12'd3966 : mem_out_dec = 6'b111111;
12'd3967 : mem_out_dec = 6'b111111;
12'd3968 : mem_out_dec = 6'b111111;
12'd3969 : mem_out_dec = 6'b111111;
12'd3970 : mem_out_dec = 6'b111111;
12'd3971 : mem_out_dec = 6'b111111;
12'd3972 : mem_out_dec = 6'b111111;
12'd3973 : mem_out_dec = 6'b111111;
12'd3974 : mem_out_dec = 6'b111111;
12'd3975 : mem_out_dec = 6'b111111;
12'd3976 : mem_out_dec = 6'b111111;
12'd3977 : mem_out_dec = 6'b111111;
12'd3978 : mem_out_dec = 6'b111111;
12'd3979 : mem_out_dec = 6'b111111;
12'd3980 : mem_out_dec = 6'b111111;
12'd3981 : mem_out_dec = 6'b111111;
12'd3982 : mem_out_dec = 6'b111111;
12'd3983 : mem_out_dec = 6'b111111;
12'd3984 : mem_out_dec = 6'b111111;
12'd3985 : mem_out_dec = 6'b111111;
12'd3986 : mem_out_dec = 6'b111111;
12'd3987 : mem_out_dec = 6'b111111;
12'd3988 : mem_out_dec = 6'b111111;
12'd3989 : mem_out_dec = 6'b111111;
12'd3990 : mem_out_dec = 6'b111111;
12'd3991 : mem_out_dec = 6'b111111;
12'd3992 : mem_out_dec = 6'b111111;
12'd3993 : mem_out_dec = 6'b111111;
12'd3994 : mem_out_dec = 6'b111111;
12'd3995 : mem_out_dec = 6'b111111;
12'd3996 : mem_out_dec = 6'b111111;
12'd3997 : mem_out_dec = 6'b111111;
12'd3998 : mem_out_dec = 6'b111111;
12'd3999 : mem_out_dec = 6'b111111;
12'd4000 : mem_out_dec = 6'b111111;
12'd4001 : mem_out_dec = 6'b111111;
12'd4002 : mem_out_dec = 6'b111111;
12'd4003 : mem_out_dec = 6'b111111;
12'd4004 : mem_out_dec = 6'b111111;
12'd4005 : mem_out_dec = 6'b111111;
12'd4006 : mem_out_dec = 6'b111111;
12'd4007 : mem_out_dec = 6'b111111;
12'd4008 : mem_out_dec = 6'b111111;
12'd4009 : mem_out_dec = 6'b111111;
12'd4010 : mem_out_dec = 6'b111111;
12'd4011 : mem_out_dec = 6'b111111;
12'd4012 : mem_out_dec = 6'b111111;
12'd4013 : mem_out_dec = 6'b111111;
12'd4014 : mem_out_dec = 6'b111111;
12'd4015 : mem_out_dec = 6'b111111;
12'd4016 : mem_out_dec = 6'b111111;
12'd4017 : mem_out_dec = 6'b111111;
12'd4018 : mem_out_dec = 6'b111111;
12'd4019 : mem_out_dec = 6'b111111;
12'd4020 : mem_out_dec = 6'b111111;
12'd4021 : mem_out_dec = 6'b111111;
12'd4022 : mem_out_dec = 6'b111111;
12'd4023 : mem_out_dec = 6'b111111;
12'd4024 : mem_out_dec = 6'b111111;
12'd4025 : mem_out_dec = 6'b111111;
12'd4026 : mem_out_dec = 6'b111111;
12'd4027 : mem_out_dec = 6'b111111;
12'd4028 : mem_out_dec = 6'b111111;
12'd4029 : mem_out_dec = 6'b111111;
12'd4030 : mem_out_dec = 6'b111111;
12'd4031 : mem_out_dec = 6'b111111;
12'd4032 : mem_out_dec = 6'b111111;
12'd4033 : mem_out_dec = 6'b111111;
12'd4034 : mem_out_dec = 6'b111111;
12'd4035 : mem_out_dec = 6'b111111;
12'd4036 : mem_out_dec = 6'b111111;
12'd4037 : mem_out_dec = 6'b111111;
12'd4038 : mem_out_dec = 6'b111111;
12'd4039 : mem_out_dec = 6'b111111;
12'd4040 : mem_out_dec = 6'b111111;
12'd4041 : mem_out_dec = 6'b111111;
12'd4042 : mem_out_dec = 6'b111111;
12'd4043 : mem_out_dec = 6'b111111;
12'd4044 : mem_out_dec = 6'b111111;
12'd4045 : mem_out_dec = 6'b111111;
12'd4046 : mem_out_dec = 6'b111111;
12'd4047 : mem_out_dec = 6'b111111;
12'd4048 : mem_out_dec = 6'b111111;
12'd4049 : mem_out_dec = 6'b111111;
12'd4050 : mem_out_dec = 6'b111111;
12'd4051 : mem_out_dec = 6'b111111;
12'd4052 : mem_out_dec = 6'b111111;
12'd4053 : mem_out_dec = 6'b111111;
12'd4054 : mem_out_dec = 6'b111111;
12'd4055 : mem_out_dec = 6'b111111;
12'd4056 : mem_out_dec = 6'b111111;
12'd4057 : mem_out_dec = 6'b111111;
12'd4058 : mem_out_dec = 6'b111111;
12'd4059 : mem_out_dec = 6'b111111;
12'd4060 : mem_out_dec = 6'b111111;
12'd4061 : mem_out_dec = 6'b111111;
12'd4062 : mem_out_dec = 6'b111111;
12'd4063 : mem_out_dec = 6'b111111;
12'd4064 : mem_out_dec = 6'b111111;
12'd4065 : mem_out_dec = 6'b111111;
12'd4066 : mem_out_dec = 6'b111111;
12'd4067 : mem_out_dec = 6'b111111;
12'd4068 : mem_out_dec = 6'b111111;
12'd4069 : mem_out_dec = 6'b111111;
12'd4070 : mem_out_dec = 6'b111111;
12'd4071 : mem_out_dec = 6'b111111;
12'd4072 : mem_out_dec = 6'b111111;
12'd4073 : mem_out_dec = 6'b111111;
12'd4074 : mem_out_dec = 6'b111111;
12'd4075 : mem_out_dec = 6'b111111;
12'd4076 : mem_out_dec = 6'b111111;
12'd4077 : mem_out_dec = 6'b111111;
12'd4078 : mem_out_dec = 6'b111111;
12'd4079 : mem_out_dec = 6'b111111;
12'd4080 : mem_out_dec = 6'b111111;
12'd4081 : mem_out_dec = 6'b111111;
12'd4082 : mem_out_dec = 6'b111111;
12'd4083 : mem_out_dec = 6'b111111;
12'd4084 : mem_out_dec = 6'b111111;
12'd4085 : mem_out_dec = 6'b111111;
12'd4086 : mem_out_dec = 6'b111111;
12'd4087 : mem_out_dec = 6'b111111;
12'd4088 : mem_out_dec = 6'b111111;
12'd4089 : mem_out_dec = 6'b111111;
12'd4090 : mem_out_dec = 6'b111111;
12'd4091 : mem_out_dec = 6'b111111;
12'd4092 : mem_out_dec = 6'b111111;
12'd4093 : mem_out_dec = 6'b111111;
12'd4094 : mem_out_dec = 6'b111111;
12'd4095 : mem_out_dec = 6'b111111;
endcase
end
always @ (posedge clk) begin
dec_cnt <= #TCQ mem_out_dec;
end
endmodule
|
module mig_7series_v2_3_ddr_phy_prbs_rdlvl #
(
parameter TCQ = 100, // clk->out delay (sim only)
parameter nCK_PER_CLK = 2, // # of memory clocks per CLK
parameter DQ_WIDTH = 64, // # of DQ (data)
parameter DQS_CNT_WIDTH = 3, // = ceil(log2(DQS_WIDTH))
parameter DQS_WIDTH = 8, // # of DQS (strobe)
parameter DRAM_WIDTH = 8, // # of DQ per DQS
parameter RANKS = 1, // # of DRAM ranks
parameter SIM_CAL_OPTION = "NONE", // Skip various calibration steps
parameter PRBS_WIDTH = 8, // PRBS generator output width
parameter FIXED_VICTIM = "TRUE", // No victim rotation when "TRUE"
parameter FINE_PER_BIT = "ON",
parameter CENTER_COMP_MODE = "ON",
parameter PI_VAL_ADJ = "ON"
)
(
input clk,
input rst,
// Calibration status, control signals
input prbs_rdlvl_start,
(* max_fanout = 100 *) output reg prbs_rdlvl_done,
output reg prbs_last_byte_done,
output reg prbs_rdlvl_prech_req,
input complex_sample_cnt_inc,
input prech_done,
input phy_if_empty,
// Captured data in fabric clock domain
input [2*nCK_PER_CLK*DQ_WIDTH-1:0] rd_data,
//Expected data from PRBS generator
input [2*nCK_PER_CLK*DQ_WIDTH-1:0] compare_data,
// Decrement initial Phaser_IN Fine tap delay
input [5:0] pi_counter_read_val,
// Stage 1 calibration outputs
output reg pi_en_stg2_f,
output reg pi_stg2_f_incdec,
output [255:0] dbg_prbs_rdlvl,
output [DQS_CNT_WIDTH:0] pi_stg2_prbs_rdlvl_cnt,
output reg [2:0] rd_victim_sel,
output reg complex_victim_inc,
output reg reset_rd_addr,
output reg read_pause,
output reg [6*DQS_WIDTH*RANKS-1:0] prbs_final_dqs_tap_cnt_r,
output reg [6*DQS_WIDTH*RANKS-1:0] dbg_prbs_first_edge_taps,
output reg [6*DQS_WIDTH*RANKS-1:0] dbg_prbs_second_edge_taps,
output reg [DRAM_WIDTH-1:0] fine_delay_incdec_pb, //fine_delay decreament per bit
output reg fine_delay_sel //fine delay selection - actual update of fine delay
);
localparam [5:0] PRBS_IDLE = 6'h00;
localparam [5:0] PRBS_NEW_DQS_WAIT = 6'h01;
localparam [5:0] PRBS_PAT_COMPARE = 6'h02;
localparam [5:0] PRBS_DEC_DQS = 6'h03;
localparam [5:0] PRBS_DEC_DQS_WAIT = 6'h04;
localparam [5:0] PRBS_INC_DQS = 6'h05;
localparam [5:0] PRBS_INC_DQS_WAIT = 6'h06;
localparam [5:0] PRBS_CALC_TAPS = 6'h07;
localparam [5:0] PRBS_NEXT_DQS = 6'h08;
localparam [5:0] PRBS_NEW_DQS_PREWAIT = 6'h09;
localparam [5:0] PRBS_DONE = 6'h0A;
localparam [5:0] PRBS_CALC_TAPS_PRE = 6'h0B;
localparam [5:0] PRBS_CALC_TAPS_WAIT = 6'h0C;
localparam [5:0] FINE_PI_DEC = 6'h0D; //go back to all fail or back to center
localparam [5:0] FINE_PI_DEC_WAIT = 6'h0E; //wait for PI tap dec settle
localparam [5:0] FINE_PI_INC = 6'h0F; //increse up to 1 fail
localparam [5:0] FINE_PI_INC_WAIT = 6'h10; //wait for PI tap int settle
localparam [5:0] FINE_PAT_COMPARE_PER_BIT = 6'h11; //compare per bit error and check left/right/gain/loss
localparam [5:0] FINE_CALC_TAPS = 6'h12; //setup fine_delay_incdec_pb for better window size
localparam [5:0] FINE_CALC_TAPS_WAIT = 6'h13; //wait for ROM value for dec cnt
localparam [11:0] NUM_SAMPLES_CNT = (SIM_CAL_OPTION == "NONE") ? 'd50 : 12'h001;
localparam [11:0] NUM_SAMPLES_CNT1 = (SIM_CAL_OPTION == "NONE") ? 'd20 : 12'h001;
localparam [11:0] NUM_SAMPLES_CNT2 = (SIM_CAL_OPTION == "NONE") ? 'd10 : 12'h001;
wire [DQS_CNT_WIDTH+2:0]prbs_dqs_cnt_timing;
reg [DQS_CNT_WIDTH+2:0] prbs_dqs_cnt_timing_r;
reg [DQS_CNT_WIDTH:0] prbs_dqs_cnt_r;
reg prbs_prech_req_r;
reg [5:0] prbs_state_r;
reg [5:0] prbs_state_r1;
reg wait_state_cnt_en_r;
reg [3:0] wait_state_cnt_r;
reg cnt_wait_state;
reg err_chk_invalid;
// reg found_edge_r;
reg prbs_found_1st_edge_r;
reg prbs_found_2nd_edge_r;
reg [5:0] prbs_1st_edge_taps_r;
// reg found_stable_eye_r;
reg [5:0] prbs_dqs_tap_cnt_r;
reg [5:0] prbs_dec_tap_calc_plus_3;
reg [5:0] prbs_dec_tap_calc_minus_3;
reg prbs_dqs_tap_limit_r;
reg [5:0] prbs_inc_tap_cnt;
reg [5:0] prbs_dec_tap_cnt;
reg [DRAM_WIDTH-1:0] mux_rd_fall0_r1;
reg [DRAM_WIDTH-1:0] mux_rd_fall1_r1;
reg [DRAM_WIDTH-1:0] mux_rd_rise0_r1;
reg [DRAM_WIDTH-1:0] mux_rd_rise1_r1;
reg [DRAM_WIDTH-1:0] mux_rd_fall2_r1;
reg [DRAM_WIDTH-1:0] mux_rd_fall3_r1;
reg [DRAM_WIDTH-1:0] mux_rd_rise2_r1;
reg [DRAM_WIDTH-1:0] mux_rd_rise3_r1;
reg [DRAM_WIDTH-1:0] mux_rd_fall0_r2;
reg [DRAM_WIDTH-1:0] mux_rd_fall1_r2;
reg [DRAM_WIDTH-1:0] mux_rd_rise0_r2;
reg [DRAM_WIDTH-1:0] mux_rd_rise1_r2;
reg [DRAM_WIDTH-1:0] mux_rd_fall2_r2;
reg [DRAM_WIDTH-1:0] mux_rd_fall3_r2;
reg [DRAM_WIDTH-1:0] mux_rd_rise2_r2;
reg [DRAM_WIDTH-1:0] mux_rd_rise3_r2;
reg [DRAM_WIDTH-1:0] mux_rd_fall0_r3;
reg [DRAM_WIDTH-1:0] mux_rd_fall1_r3;
reg [DRAM_WIDTH-1:0] mux_rd_rise0_r3;
reg [DRAM_WIDTH-1:0] mux_rd_rise1_r3;
reg [DRAM_WIDTH-1:0] mux_rd_fall2_r3;
reg [DRAM_WIDTH-1:0] mux_rd_fall3_r3;
reg [DRAM_WIDTH-1:0] mux_rd_rise2_r3;
reg [DRAM_WIDTH-1:0] mux_rd_rise3_r3;
reg [DRAM_WIDTH-1:0] mux_rd_fall0_r4;
reg [DRAM_WIDTH-1:0] mux_rd_fall1_r4;
reg [DRAM_WIDTH-1:0] mux_rd_rise0_r4;
reg [DRAM_WIDTH-1:0] mux_rd_rise1_r4;
reg [DRAM_WIDTH-1:0] mux_rd_fall2_r4;
reg [DRAM_WIDTH-1:0] mux_rd_fall3_r4;
reg [DRAM_WIDTH-1:0] mux_rd_rise2_r4;
reg [DRAM_WIDTH-1:0] mux_rd_rise3_r4;
reg mux_rd_valid_r;
reg rd_valid_r1;
reg rd_valid_r2;
reg rd_valid_r3;
reg new_cnt_dqs_r;
reg prbs_tap_en_r;
reg prbs_tap_inc_r;
reg pi_en_stg2_f_timing;
reg pi_stg2_f_incdec_timing;
wire [DQ_WIDTH-1:0] rd_data_rise0;
wire [DQ_WIDTH-1:0] rd_data_fall0;
wire [DQ_WIDTH-1:0] rd_data_rise1;
wire [DQ_WIDTH-1:0] rd_data_fall1;
wire [DQ_WIDTH-1:0] rd_data_rise2;
wire [DQ_WIDTH-1:0] rd_data_fall2;
wire [DQ_WIDTH-1:0] rd_data_rise3;
wire [DQ_WIDTH-1:0] rd_data_fall3;
wire [DQ_WIDTH-1:0] compare_data_r0;
wire [DQ_WIDTH-1:0] compare_data_f0;
wire [DQ_WIDTH-1:0] compare_data_r1;
wire [DQ_WIDTH-1:0] compare_data_f1;
wire [DQ_WIDTH-1:0] compare_data_r2;
wire [DQ_WIDTH-1:0] compare_data_f2;
wire [DQ_WIDTH-1:0] compare_data_r3;
wire [DQ_WIDTH-1:0] compare_data_f3;
reg [DRAM_WIDTH-1:0] compare_data_rise0_r1;
reg [DRAM_WIDTH-1:0] compare_data_fall0_r1;
reg [DRAM_WIDTH-1:0] compare_data_rise1_r1;
reg [DRAM_WIDTH-1:0] compare_data_fall1_r1;
reg [DRAM_WIDTH-1:0] compare_data_rise2_r1;
reg [DRAM_WIDTH-1:0] compare_data_fall2_r1;
reg [DRAM_WIDTH-1:0] compare_data_rise3_r1;
reg [DRAM_WIDTH-1:0] compare_data_fall3_r1;
reg [DQS_CNT_WIDTH:0] rd_mux_sel_r;
reg [5:0] prbs_2nd_edge_taps_r;
// reg [6*DQS_WIDTH*RANKS-1:0] prbs_final_dqs_tap_cnt_r;
reg [5:0] rdlvl_cpt_tap_cnt;
reg prbs_rdlvl_start_r;
reg compare_err;
reg compare_err_r0;
reg compare_err_f0;
reg compare_err_r1;
reg compare_err_f1;
reg compare_err_r2;
reg compare_err_f2;
reg compare_err_r3;
reg compare_err_f3;
reg samples_cnt1_en_r;
reg samples_cnt2_en_r;
reg [11:0] samples_cnt_r;
reg num_samples_done_r;
reg num_samples_done_ind; //indicate num_samples_done_r is set in FINE_PAT_COMPARE_PER_BIT to prevent victim_sel_rd out of sync
reg [DQS_WIDTH-1:0] prbs_tap_mod;
//reg [6*DQS_WIDTH*RANKS-1:0] dbg_prbs_first_edge_taps;
//reg [6*DQS_WIDTH*RANKS-1:0] dbg_prbs_second_edge_taps;
//**************************************************************************
// signals for per-bit algorithm of fine_delay calculations
//**************************************************************************
reg [6*DRAM_WIDTH-1:0] left_edge_pb; //left edge value per bit
reg [6*DRAM_WIDTH-1:0] right_edge_pb; //right edge value per bit
reg [5*DRAM_WIDTH-1:0] match_flag_pb; //5 consecutive match flag per bit
reg [4:0] match_flag_and; //5 consecute match flag of all bits (1: all bit fail)
reg [DRAM_WIDTH-1:0] left_edge_found_pb; //left_edge found per bit - use for loss calculation
reg [DRAM_WIDTH-1:0] left_edge_updated; //left edge was updated for this PI tap - used for largest left edge /ref bit update
reg [DRAM_WIDTH-1:0] right_edge_found_pb; //right_edge found per bit - use for gail calulation and smallest right edge update
reg right_edge_found; //smallest right_edge found
reg [DRAM_WIDTH*6-1:0] left_loss_pb; //left_edge loss per bit
reg [DRAM_WIDTH*6-1:0] right_gain_pb; //right_edge gain per bit
reg [DRAM_WIDTH-1:0] ref_bit; //bit number which has largest left edge (with smaller right edge)
reg [DRAM_WIDTH-1:0] bit_cnt; //bit number used to calculate ref bit
reg [DRAM_WIDTH-1:0] ref_bit_per_bit; //bit flags which have largest left edge
reg [5:0] ref_right_edge; //ref_bit right edge - keep the smallest edge of ref bits
reg [5:0] largest_left_edge; //biggest left edge of per bit - will be left edge of byte
reg [5:0] smallest_right_edge; //smallest right edge of per bit - will be right edge of byte
reg [5:0] fine_pi_dec_cnt; //Phase In tap decrement count (to go back to '0' or center)
reg [6:0] center_calc; //used for calculate the dec tap for centering
reg [5:0] right_edge_ref; //ref_bit right edge
reg [5:0] left_edge_ref; //ref_bit left edge
reg [DRAM_WIDTH-1:0] compare_err_pb; //compare error per bit
reg [DRAM_WIDTH-1:0] compare_err_pb_latch_r; //sticky compare error per bit used for left/right edge
reg compare_err_pb_and; //indicate all bit fail
reg fine_inc_stage; //fine_inc_stage (1: increment all except ref_bit, 0: only inc for gain bit)
reg [1:0] stage_cnt; //stage cnt (0,1: fine delay inc stage, 2: fine delay dec stage)
wire fine_calib; //turn on/off fine delay calibration
reg [5:0] mem_out_dec;
reg [5:0] dec_cnt;
reg fine_dly_error; //indicate it has wrong left/right edge
wire center_comp;
wire pi_adj;
//**************************************************************************
// DQS count to hard PHY during write calibration using Phaser_OUT Stage2
// coarse delay
//**************************************************************************
assign pi_stg2_prbs_rdlvl_cnt = prbs_dqs_cnt_r;
//fine delay turn on
assign fine_calib = (FINE_PER_BIT=="ON")? 1:0;
assign center_comp = (CENTER_COMP_MODE == "ON")? 1: 0;
assign pi_adj = (PI_VAL_ADJ == "ON")?1:0;
assign dbg_prbs_rdlvl[0+:6] = left_edge_pb[0+:6];
assign dbg_prbs_rdlvl[7:6] = left_loss_pb[0+:2];
assign dbg_prbs_rdlvl[8+:6] = left_edge_pb[6+:6];
assign dbg_prbs_rdlvl[15:14] = left_loss_pb[6+:2];
assign dbg_prbs_rdlvl[16+:6] = left_edge_pb[12+:6] ;
assign dbg_prbs_rdlvl[23:22] = left_loss_pb[12+:2];
assign dbg_prbs_rdlvl[24+:6] = left_edge_pb[18+:6] ;
assign dbg_prbs_rdlvl[31:30] = left_loss_pb[18+:2];
assign dbg_prbs_rdlvl[32+:6] = left_edge_pb[24+:6];
assign dbg_prbs_rdlvl[39:38] = left_loss_pb[24+:2];
assign dbg_prbs_rdlvl[40+:6] = left_edge_pb[30+:6];
assign dbg_prbs_rdlvl[47:46] = left_loss_pb[30+:2];
assign dbg_prbs_rdlvl[48+:6] = left_edge_pb[36+:6];
assign dbg_prbs_rdlvl[55:54] = left_loss_pb[36+:2];
assign dbg_prbs_rdlvl[56+:6] = left_edge_pb[42+:6];
assign dbg_prbs_rdlvl[63:62] = left_loss_pb[42+:2];
assign dbg_prbs_rdlvl[64+:6] = right_edge_pb[0+:6];
assign dbg_prbs_rdlvl[71:70] = right_gain_pb[0+:2];
assign dbg_prbs_rdlvl[72+:6] = right_edge_pb[6+:6] ;
assign dbg_prbs_rdlvl[79:78] = right_gain_pb[6+:2];
assign dbg_prbs_rdlvl[80+:6] = right_edge_pb[12+:6];
assign dbg_prbs_rdlvl[87:86] = right_gain_pb[12+:2];
assign dbg_prbs_rdlvl[88+:6] = right_edge_pb[18+:6];
assign dbg_prbs_rdlvl[95:94] = right_gain_pb[18+:2];
assign dbg_prbs_rdlvl[96+:6] = right_edge_pb[24+:6];
assign dbg_prbs_rdlvl[103:102] = right_gain_pb[24+:2];
assign dbg_prbs_rdlvl[104+:6] = right_edge_pb[30+:6];
assign dbg_prbs_rdlvl[111:110] = right_gain_pb[30+:2];
assign dbg_prbs_rdlvl[112+:6] = right_edge_pb[36+:6];
assign dbg_prbs_rdlvl[119:118] = right_gain_pb[36+:2];
assign dbg_prbs_rdlvl[120+:6] = right_edge_pb[42+:6];
assign dbg_prbs_rdlvl[127:126] = right_gain_pb[42+:2];
assign dbg_prbs_rdlvl[128+:6] = pi_counter_read_val;
assign dbg_prbs_rdlvl[134+:6] = prbs_dqs_tap_cnt_r;
assign dbg_prbs_rdlvl[140] = prbs_found_1st_edge_r;
assign dbg_prbs_rdlvl[141] = prbs_found_2nd_edge_r;
assign dbg_prbs_rdlvl[142] = compare_err;
assign dbg_prbs_rdlvl[143] = phy_if_empty;
assign dbg_prbs_rdlvl[144] = prbs_rdlvl_start;
assign dbg_prbs_rdlvl[145] = prbs_rdlvl_done;
assign dbg_prbs_rdlvl[146+:5] = prbs_dqs_cnt_r;
assign dbg_prbs_rdlvl[151+:6] = left_edge_pb[prbs_dqs_cnt_r*6+:6] ;
assign dbg_prbs_rdlvl[157+:6] = right_edge_pb[prbs_dqs_cnt_r*6+:6];
assign dbg_prbs_rdlvl[163+:6] = {2'h0,complex_victim_inc, rd_victim_sel[2:0]};
assign dbg_prbs_rdlvl[169+:6] =right_gain_pb[prbs_dqs_cnt_r*6+:6] ;
assign dbg_prbs_rdlvl[177:175] = ref_bit[2:0];
assign dbg_prbs_rdlvl[178+:6] = prbs_state_r1[5:0];
assign dbg_prbs_rdlvl[184] = rd_valid_r2;
assign dbg_prbs_rdlvl[185] = compare_err_r0;
assign dbg_prbs_rdlvl[186] = compare_err_f0;
assign dbg_prbs_rdlvl[187] = compare_err_r1;
assign dbg_prbs_rdlvl[188] = compare_err_f1;
assign dbg_prbs_rdlvl[189] = compare_err_r2;
assign dbg_prbs_rdlvl[190] = compare_err_f2;
assign dbg_prbs_rdlvl[191] = compare_err_r3;
assign dbg_prbs_rdlvl[192] = compare_err_f3;
assign dbg_prbs_rdlvl[193+:8] = left_edge_found_pb;
assign dbg_prbs_rdlvl[201+:8] = right_edge_found_pb;
assign dbg_prbs_rdlvl[209+:6] =largest_left_edge ;
assign dbg_prbs_rdlvl[215+:6] =smallest_right_edge ;
assign dbg_prbs_rdlvl[221+:8] = fine_delay_incdec_pb;
assign dbg_prbs_rdlvl[229] = fine_delay_sel;
assign dbg_prbs_rdlvl[230+:8] = compare_err_pb_latch_r;
assign dbg_prbs_rdlvl[238+:6] = fine_pi_dec_cnt;
assign dbg_prbs_rdlvl[244+:5] = match_flag_and ;
assign dbg_prbs_rdlvl[249+:2] =stage_cnt ;
assign dbg_prbs_rdlvl[251] = fine_inc_stage ;
assign dbg_prbs_rdlvl[252] = compare_err_pb_and ;
assign dbg_prbs_rdlvl[253] = right_edge_found ;
assign dbg_prbs_rdlvl[254] = fine_dly_error ;
assign dbg_prbs_rdlvl[255]= 'b0;//reserved
//**************************************************************************
// Record first and second edges found during calibration
//**************************************************************************
generate
always @(posedge clk)
if (rst) begin
dbg_prbs_first_edge_taps <= #TCQ 'b0;
dbg_prbs_second_edge_taps <= #TCQ 'b0;
end else if (prbs_state_r == PRBS_CALC_TAPS) begin
// Record tap counts of first and second edge edges during
// calibration for each DQS group. If neither edge has
// been found, then those taps will remain 0
if (prbs_found_1st_edge_r)
dbg_prbs_first_edge_taps[(prbs_dqs_cnt_timing_r*6)+:6]
<= #TCQ prbs_1st_edge_taps_r;
if (prbs_found_2nd_edge_r)
dbg_prbs_second_edge_taps[(prbs_dqs_cnt_timing_r*6)+:6]
<= #TCQ prbs_2nd_edge_taps_r;
end else if (prbs_state_r == FINE_CALC_TAPS) begin
if(stage_cnt == 'd2) begin
dbg_prbs_first_edge_taps[(prbs_dqs_cnt_timing_r*6)+:6]
<= #TCQ largest_left_edge;
dbg_prbs_second_edge_taps[(prbs_dqs_cnt_timing_r*6)+:6]
<= #TCQ smallest_right_edge;
end
end
endgenerate
//padded calculation
always @ (smallest_right_edge or largest_left_edge)
center_calc <= {1'b0, smallest_right_edge} + {1'b0,largest_left_edge};
//***************************************************************************
//***************************************************************************
// Data mux to route appropriate bit to calibration logic - i.e. calibration
// is done sequentially, one bit (or DQS group) at a time
//***************************************************************************
generate
if (nCK_PER_CLK == 4) begin: rd_data_div4_logic_clk
assign rd_data_rise0 = rd_data[DQ_WIDTH-1:0];
assign rd_data_fall0 = rd_data[2*DQ_WIDTH-1:DQ_WIDTH];
assign rd_data_rise1 = rd_data[3*DQ_WIDTH-1:2*DQ_WIDTH];
assign rd_data_fall1 = rd_data[4*DQ_WIDTH-1:3*DQ_WIDTH];
assign rd_data_rise2 = rd_data[5*DQ_WIDTH-1:4*DQ_WIDTH];
assign rd_data_fall2 = rd_data[6*DQ_WIDTH-1:5*DQ_WIDTH];
assign rd_data_rise3 = rd_data[7*DQ_WIDTH-1:6*DQ_WIDTH];
assign rd_data_fall3 = rd_data[8*DQ_WIDTH-1:7*DQ_WIDTH];
assign compare_data_r0 = compare_data[DQ_WIDTH-1:0];
assign compare_data_f0 = compare_data[2*DQ_WIDTH-1:DQ_WIDTH];
assign compare_data_r1 = compare_data[3*DQ_WIDTH-1:2*DQ_WIDTH];
assign compare_data_f1 = compare_data[4*DQ_WIDTH-1:3*DQ_WIDTH];
assign compare_data_r2 = compare_data[5*DQ_WIDTH-1:4*DQ_WIDTH];
assign compare_data_f2 = compare_data[6*DQ_WIDTH-1:5*DQ_WIDTH];
assign compare_data_r3 = compare_data[7*DQ_WIDTH-1:6*DQ_WIDTH];
assign compare_data_f3 = compare_data[8*DQ_WIDTH-1:7*DQ_WIDTH];
end else begin: rd_data_div2_logic_clk
assign rd_data_rise0 = rd_data[DQ_WIDTH-1:0];
assign rd_data_fall0 = rd_data[2*DQ_WIDTH-1:DQ_WIDTH];
assign rd_data_rise1 = rd_data[3*DQ_WIDTH-1:2*DQ_WIDTH];
assign rd_data_fall1 = rd_data[4*DQ_WIDTH-1:3*DQ_WIDTH];
assign compare_data_r0 = compare_data[DQ_WIDTH-1:0];
assign compare_data_f0 = compare_data[2*DQ_WIDTH-1:DQ_WIDTH];
assign compare_data_r1 = compare_data[3*DQ_WIDTH-1:2*DQ_WIDTH];
assign compare_data_f1 = compare_data[4*DQ_WIDTH-1:3*DQ_WIDTH];
assign compare_data_r2 = 'h0;
assign compare_data_f2 = 'h0;
assign compare_data_r3 = 'h0;
assign compare_data_f3 = 'h0;
end
endgenerate
always @(posedge clk) begin
rd_mux_sel_r <= #TCQ prbs_dqs_cnt_r;
end
// Register outputs for improved timing.
// NOTE: Will need to change when per-bit DQ deskew is supported.
// Currenly all bits in DQS group are checked in aggregate
generate
genvar mux_i;
for (mux_i = 0; mux_i < DRAM_WIDTH; mux_i = mux_i + 1) begin: gen_mux_rd
always @(posedge clk) begin
mux_rd_rise0_r1[mux_i] <= #TCQ rd_data_rise0[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_fall0_r1[mux_i] <= #TCQ rd_data_fall0[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_rise1_r1[mux_i] <= #TCQ rd_data_rise1[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_fall1_r1[mux_i] <= #TCQ rd_data_fall1[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_rise2_r1[mux_i] <= #TCQ rd_data_rise2[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_fall2_r1[mux_i] <= #TCQ rd_data_fall2[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_rise3_r1[mux_i] <= #TCQ rd_data_rise3[DRAM_WIDTH*rd_mux_sel_r + mux_i];
mux_rd_fall3_r1[mux_i] <= #TCQ rd_data_fall3[DRAM_WIDTH*rd_mux_sel_r + mux_i];
//Compare data
compare_data_rise0_r1[mux_i] <= #TCQ compare_data_r0[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_fall0_r1[mux_i] <= #TCQ compare_data_f0[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_rise1_r1[mux_i] <= #TCQ compare_data_r1[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_fall1_r1[mux_i] <= #TCQ compare_data_f1[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_rise2_r1[mux_i] <= #TCQ compare_data_r2[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_fall2_r1[mux_i] <= #TCQ compare_data_f2[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_rise3_r1[mux_i] <= #TCQ compare_data_r3[DRAM_WIDTH*rd_mux_sel_r + mux_i];
compare_data_fall3_r1[mux_i] <= #TCQ compare_data_f3[DRAM_WIDTH*rd_mux_sel_r + mux_i];
end
end
endgenerate
generate
genvar muxr2_i;
if (nCK_PER_CLK == 4) begin: gen_mux_div4
for (muxr2_i = 0; muxr2_i < DRAM_WIDTH; muxr2_i = muxr2_i + 1) begin: gen_rd_4
always @(posedge clk) begin
if (mux_rd_valid_r) begin
mux_rd_rise0_r2[muxr2_i] <= #TCQ mux_rd_rise0_r1[muxr2_i];
mux_rd_fall0_r2[muxr2_i] <= #TCQ mux_rd_fall0_r1[muxr2_i];
mux_rd_rise1_r2[muxr2_i] <= #TCQ mux_rd_rise1_r1[muxr2_i];
mux_rd_fall1_r2[muxr2_i] <= #TCQ mux_rd_fall1_r1[muxr2_i];
mux_rd_rise2_r2[muxr2_i] <= #TCQ mux_rd_rise2_r1[muxr2_i];
mux_rd_fall2_r2[muxr2_i] <= #TCQ mux_rd_fall2_r1[muxr2_i];
mux_rd_rise3_r2[muxr2_i] <= #TCQ mux_rd_rise3_r1[muxr2_i];
mux_rd_fall3_r2[muxr2_i] <= #TCQ mux_rd_fall3_r1[muxr2_i];
end
//pipeline stage
mux_rd_rise0_r3[muxr2_i] <= #TCQ mux_rd_rise0_r2[muxr2_i];
mux_rd_fall0_r3[muxr2_i] <= #TCQ mux_rd_fall0_r2[muxr2_i];
mux_rd_rise1_r3[muxr2_i] <= #TCQ mux_rd_rise1_r2[muxr2_i];
mux_rd_fall1_r3[muxr2_i] <= #TCQ mux_rd_fall1_r2[muxr2_i];
mux_rd_rise2_r3[muxr2_i] <= #TCQ mux_rd_rise2_r2[muxr2_i];
mux_rd_fall2_r3[muxr2_i] <= #TCQ mux_rd_fall2_r2[muxr2_i];
mux_rd_rise3_r3[muxr2_i] <= #TCQ mux_rd_rise3_r2[muxr2_i];
mux_rd_fall3_r3[muxr2_i] <= #TCQ mux_rd_fall3_r2[muxr2_i];
//pipeline stage
mux_rd_rise0_r4[muxr2_i] <= #TCQ mux_rd_rise0_r3[muxr2_i];
mux_rd_fall0_r4[muxr2_i] <= #TCQ mux_rd_fall0_r3[muxr2_i];
mux_rd_rise1_r4[muxr2_i] <= #TCQ mux_rd_rise1_r3[muxr2_i];
mux_rd_fall1_r4[muxr2_i] <= #TCQ mux_rd_fall1_r3[muxr2_i];
mux_rd_rise2_r4[muxr2_i] <= #TCQ mux_rd_rise2_r3[muxr2_i];
mux_rd_fall2_r4[muxr2_i] <= #TCQ mux_rd_fall2_r3[muxr2_i];
mux_rd_rise3_r4[muxr2_i] <= #TCQ mux_rd_rise3_r3[muxr2_i];
mux_rd_fall3_r4[muxr2_i] <= #TCQ mux_rd_fall3_r3[muxr2_i];
end
end
end else if (nCK_PER_CLK == 2) begin: gen_mux_div2
for (muxr2_i = 0; muxr2_i < DRAM_WIDTH; muxr2_i = muxr2_i + 1) begin: gen_rd_2
always @(posedge clk) begin
if (mux_rd_valid_r) begin
mux_rd_rise0_r2[muxr2_i] <= #TCQ mux_rd_rise0_r1[muxr2_i];
mux_rd_fall0_r2[muxr2_i] <= #TCQ mux_rd_fall0_r1[muxr2_i];
mux_rd_rise1_r2[muxr2_i] <= #TCQ mux_rd_rise1_r1[muxr2_i];
mux_rd_fall1_r2[muxr2_i] <= #TCQ mux_rd_fall1_r1[muxr2_i];
mux_rd_rise2_r2[muxr2_i] <= 'h0;
mux_rd_fall2_r2[muxr2_i] <= 'h0;
mux_rd_rise3_r2[muxr2_i] <= 'h0;
mux_rd_fall3_r2[muxr2_i] <= 'h0;
end
mux_rd_rise0_r3[muxr2_i] <= #TCQ mux_rd_rise0_r2[muxr2_i];
mux_rd_fall0_r3[muxr2_i] <= #TCQ mux_rd_fall0_r2[muxr2_i];
mux_rd_rise1_r3[muxr2_i] <= #TCQ mux_rd_rise1_r2[muxr2_i];
mux_rd_fall1_r3[muxr2_i] <= #TCQ mux_rd_fall1_r2[muxr2_i];
mux_rd_rise2_r3[muxr2_i] <= 'h0;
mux_rd_fall2_r3[muxr2_i] <= 'h0;
mux_rd_rise3_r3[muxr2_i] <= 'h0;
mux_rd_fall3_r3[muxr2_i] <= 'h0;
//pipeline stage
mux_rd_rise0_r4[muxr2_i] <= #TCQ mux_rd_rise0_r3[muxr2_i];
mux_rd_fall0_r4[muxr2_i] <= #TCQ mux_rd_fall0_r3[muxr2_i];
mux_rd_rise1_r4[muxr2_i] <= #TCQ mux_rd_rise1_r3[muxr2_i];
mux_rd_fall1_r4[muxr2_i] <= #TCQ mux_rd_fall1_r3[muxr2_i];
mux_rd_rise2_r4[muxr2_i] <= 'h0;
mux_rd_fall2_r4[muxr2_i] <= 'h0;
mux_rd_rise3_r4[muxr2_i] <= 'h0;
mux_rd_fall3_r4[muxr2_i] <= 'h0;
end
end
end
endgenerate
// Registered signal indicates when mux_rd_rise/fall_r is valid
always @(posedge clk) begin
mux_rd_valid_r <= #TCQ ~phy_if_empty && prbs_rdlvl_start;
rd_valid_r1 <= #TCQ mux_rd_valid_r;
rd_valid_r2 <= #TCQ rd_valid_r1;
rd_valid_r3 <= #TCQ rd_valid_r2;
end
// Counter counts # of samples compared
// Reset sample counter when not "sampling"
// Otherwise, count # of samples compared
// Same counter is shared for three samples checked
always @(posedge clk)
if (rst)
samples_cnt_r <= #TCQ 'b0;
else if (samples_cnt_r == NUM_SAMPLES_CNT) begin
samples_cnt_r <= #TCQ 'b0;
end else if (complex_sample_cnt_inc) begin
samples_cnt_r <= #TCQ samples_cnt_r + 1;
/*if (!rd_valid_r1 ||
(prbs_state_r == PRBS_DEC_DQS_WAIT) ||
(prbs_state_r == PRBS_INC_DQS_WAIT) ||
(prbs_state_r == PRBS_DEC_DQS) ||
(prbs_state_r == PRBS_INC_DQS) ||
(samples_cnt_r == NUM_SAMPLES_CNT) ||
(samples_cnt_r == NUM_SAMPLES_CNT1))
samples_cnt_r <= #TCQ 'b0;
else if (rd_valid_r1 &&
(((samples_cnt_r < NUM_SAMPLES_CNT) && ~samples_cnt1_en_r) ||
((samples_cnt_r < NUM_SAMPLES_CNT1) && ~samples_cnt2_en_r) ||
((samples_cnt_r < NUM_SAMPLES_CNT2) && samples_cnt2_en_r)))
samples_cnt_r <= #TCQ samples_cnt_r + 1;*/
end
// Count #2 enable generation
// Assert when correct number of samples compared
always @(posedge clk)
if (rst)
samples_cnt1_en_r <= #TCQ 1'b0;
else begin
if ((prbs_state_r == PRBS_IDLE) ||
(prbs_state_r == PRBS_DEC_DQS) ||
(prbs_state_r == PRBS_INC_DQS) ||
(prbs_state_r == FINE_PI_INC) ||
(prbs_state_r == PRBS_NEW_DQS_PREWAIT))
samples_cnt1_en_r <= #TCQ 1'b0;
else if ((samples_cnt_r == NUM_SAMPLES_CNT) && rd_valid_r1)
samples_cnt1_en_r <= #TCQ 1'b1;
end
// Counter #3 enable generation
// Assert when correct number of samples compared
always @(posedge clk)
if (rst)
samples_cnt2_en_r <= #TCQ 1'b0;
else begin
if ((prbs_state_r == PRBS_IDLE) ||
(prbs_state_r == PRBS_DEC_DQS) ||
(prbs_state_r == PRBS_INC_DQS) ||
(prbs_state_r == FINE_PI_INC) ||
(prbs_state_r == PRBS_NEW_DQS_PREWAIT))
samples_cnt2_en_r <= #TCQ 1'b0;
else if ((samples_cnt_r == NUM_SAMPLES_CNT1) && rd_valid_r1 && samples_cnt1_en_r)
samples_cnt2_en_r <= #TCQ 1'b1;
end
// Victim selection logic
always @(posedge clk)
if (rst)
rd_victim_sel <= #TCQ 'd0;
else if (num_samples_done_r)
rd_victim_sel <= #TCQ 'd0;
else if (samples_cnt_r == NUM_SAMPLES_CNT) begin
if (rd_victim_sel < 'd7)
rd_victim_sel <= #TCQ rd_victim_sel + 1;
end
// Output row count increment pulse to phy_init
always @(posedge clk)
if (rst)
complex_victim_inc <= #TCQ 1'b0;
else if (samples_cnt_r == NUM_SAMPLES_CNT)
complex_victim_inc <= #TCQ 1'b1;
else
complex_victim_inc <= #TCQ 1'b0;
generate
if (FIXED_VICTIM == "TRUE") begin: victim_fixed
always @(posedge clk)
if (rst)
num_samples_done_r <= #TCQ 1'b0;
else if ((prbs_state_r == PRBS_DEC_DQS) ||
(prbs_state_r == PRBS_INC_DQS)||
(prbs_state_r == FINE_PI_INC) ||
(prbs_state_r == FINE_PI_DEC))
num_samples_done_r <= #TCQ 'b0;
else if (samples_cnt_r == NUM_SAMPLES_CNT)
num_samples_done_r <= #TCQ 1'b1;
end else begin: victim_not_fixed
always @(posedge clk)
if (rst)
num_samples_done_r <= #TCQ 1'b0;
else if ((prbs_state_r == PRBS_DEC_DQS) ||
(prbs_state_r == PRBS_INC_DQS)||
(prbs_state_r == FINE_PI_INC) ||
(prbs_state_r == FINE_PI_DEC))
num_samples_done_r <= #TCQ 'b0;
else if ((samples_cnt_r == NUM_SAMPLES_CNT) && (rd_victim_sel == 'd7))
num_samples_done_r <= #TCQ 1'b1;
end
endgenerate
//***************************************************************************
// Compare Read Data for the byte being Leveled with Expected data from PRBS
// generator. Resulting compare_err signal used to determine read data valid
// edge.
//***************************************************************************
generate
if (nCK_PER_CLK == 4) begin: cmp_err_4to1
always @ (posedge clk) begin
if (rst || new_cnt_dqs_r) begin
compare_err <= #TCQ 1'b0;
compare_err_r0 <= #TCQ 1'b0;
compare_err_f0 <= #TCQ 1'b0;
compare_err_r1 <= #TCQ 1'b0;
compare_err_f1 <= #TCQ 1'b0;
compare_err_r2 <= #TCQ 1'b0;
compare_err_f2 <= #TCQ 1'b0;
compare_err_r3 <= #TCQ 1'b0;
compare_err_f3 <= #TCQ 1'b0;
end else if (rd_valid_r2) begin
compare_err_r0 <= #TCQ (mux_rd_rise0_r3 != compare_data_rise0_r1);
compare_err_f0 <= #TCQ (mux_rd_fall0_r3 != compare_data_fall0_r1);
compare_err_r1 <= #TCQ (mux_rd_rise1_r3 != compare_data_rise1_r1);
compare_err_f1 <= #TCQ (mux_rd_fall1_r3 != compare_data_fall1_r1);
compare_err_r2 <= #TCQ (mux_rd_rise2_r3 != compare_data_rise2_r1);
compare_err_f2 <= #TCQ (mux_rd_fall2_r3 != compare_data_fall2_r1);
compare_err_r3 <= #TCQ (mux_rd_rise3_r3 != compare_data_rise3_r1);
compare_err_f3 <= #TCQ (mux_rd_fall3_r3 != compare_data_fall3_r1);
compare_err <= #TCQ (compare_err_r0 | compare_err_f0 |
compare_err_r1 | compare_err_f1 |
compare_err_r2 | compare_err_f2 |
compare_err_r3 | compare_err_f3);
end
end
end else begin: cmp_err_2to1
always @ (posedge clk) begin
if (rst || new_cnt_dqs_r) begin
compare_err <= #TCQ 1'b0;
compare_err_r0 <= #TCQ 1'b0;
compare_err_f0 <= #TCQ 1'b0;
compare_err_r1 <= #TCQ 1'b0;
compare_err_f1 <= #TCQ 1'b0;
end else if (rd_valid_r2) begin
compare_err_r0 <= #TCQ (mux_rd_rise0_r3 != compare_data_rise0_r1);
compare_err_f0 <= #TCQ (mux_rd_fall0_r3 != compare_data_fall0_r1);
compare_err_r1 <= #TCQ (mux_rd_rise1_r3 != compare_data_rise1_r1);
compare_err_f1 <= #TCQ (mux_rd_fall1_r3 != compare_data_fall1_r1);
compare_err <= #TCQ (compare_err_r0 | compare_err_f0 |
compare_err_r1 | compare_err_f1);
end
end
end
endgenerate
//***************************************************************************
// Decrement initial Phaser_IN fine delay value before proceeding with
// read calibration
//***************************************************************************
//***************************************************************************
// Demultiplexor to control Phaser_IN delay values
//***************************************************************************
// Read DQS
always @(posedge clk) begin
if (rst) begin
pi_en_stg2_f_timing <= #TCQ 'b0;
pi_stg2_f_incdec_timing <= #TCQ 'b0;
end else if (prbs_tap_en_r) begin
// Change only specified DQS
pi_en_stg2_f_timing <= #TCQ 1'b1;
pi_stg2_f_incdec_timing <= #TCQ prbs_tap_inc_r;
end else begin
pi_en_stg2_f_timing <= #TCQ 'b0;
pi_stg2_f_incdec_timing <= #TCQ 'b0;
end
end
// registered for timing
always @(posedge clk) begin
pi_en_stg2_f <= #TCQ pi_en_stg2_f_timing;
pi_stg2_f_incdec <= #TCQ pi_stg2_f_incdec_timing;
end
//***************************************************************************
// generate request to PHY_INIT logic to issue precharged. Required when
// calibration can take a long time (during which there are only constant
// reads present on this bus). In this case need to issue perioidic
// precharges to avoid tRAS violation. This signal must meet the following
// requirements: (1) only transition from 0->1 when prech is first needed,
// (2) stay at 1 and only transition 1->0 when RDLVL_PRECH_DONE asserted
//***************************************************************************
always @(posedge clk)
if (rst)
prbs_rdlvl_prech_req <= #TCQ 1'b0;
else
prbs_rdlvl_prech_req <= #TCQ prbs_prech_req_r;
//*****************************************************************
// keep track of edge tap counts found, and current capture clock
// tap count
//*****************************************************************
always @(posedge clk)
if (rst) begin
prbs_dqs_tap_cnt_r <= #TCQ 'b0;
rdlvl_cpt_tap_cnt <= #TCQ 'b0;
end else if (new_cnt_dqs_r) begin
prbs_dqs_tap_cnt_r <= #TCQ pi_counter_read_val;
rdlvl_cpt_tap_cnt <= #TCQ pi_counter_read_val;
end else if (prbs_tap_en_r) begin
if (prbs_tap_inc_r)
prbs_dqs_tap_cnt_r <= #TCQ prbs_dqs_tap_cnt_r + 1;
else if (prbs_dqs_tap_cnt_r != 'd0)
prbs_dqs_tap_cnt_r <= #TCQ prbs_dqs_tap_cnt_r - 1;
end
always @(posedge clk)
if (rst) begin
prbs_dec_tap_calc_plus_3 <= #TCQ 'b0;
prbs_dec_tap_calc_minus_3 <= #TCQ 'b0;
end else if (new_cnt_dqs_r) begin
prbs_dec_tap_calc_plus_3 <= #TCQ 'b000011;
prbs_dec_tap_calc_minus_3 <= #TCQ 'b111100;
end else begin
prbs_dec_tap_calc_plus_3 <= #TCQ (prbs_dqs_tap_cnt_r - rdlvl_cpt_tap_cnt + 3);
prbs_dec_tap_calc_minus_3 <= #TCQ (prbs_dqs_tap_cnt_r - rdlvl_cpt_tap_cnt - 3);
end
always @(posedge clk)
if (rst || new_cnt_dqs_r)
prbs_dqs_tap_limit_r <= #TCQ 1'b0;
else if (prbs_dqs_tap_cnt_r == 6'd63)
prbs_dqs_tap_limit_r <= #TCQ 1'b1;
else
prbs_dqs_tap_limit_r <= #TCQ 1'b0;
// Temp wire for timing.
// The following in the always block below causes timing issues
// due to DSP block inference
// 6*prbs_dqs_cnt_r.
// replacing this with two left shifts + one left shift to avoid
// DSP multiplier.
assign prbs_dqs_cnt_timing = {2'd0, prbs_dqs_cnt_r};
always @(posedge clk)
prbs_dqs_cnt_timing_r <= #TCQ prbs_dqs_cnt_timing;
// Storing DQS tap values at the end of each DQS read leveling
always @(posedge clk) begin
if (rst) begin
prbs_final_dqs_tap_cnt_r <= #TCQ 'b0;
end else if ((prbs_state_r == PRBS_NEXT_DQS) && (prbs_state_r1 != PRBS_NEXT_DQS)) begin
prbs_final_dqs_tap_cnt_r[(prbs_dqs_cnt_timing_r*6)+:6]
<= #TCQ prbs_dqs_tap_cnt_r;
end
end
//*****************************************************************
always @(posedge clk) begin
prbs_state_r1 <= #TCQ prbs_state_r;
prbs_rdlvl_start_r <= #TCQ prbs_rdlvl_start;
end
// Wait counter for wait states
always @(posedge clk)
if ((prbs_state_r == PRBS_NEW_DQS_WAIT) ||
(prbs_state_r == PRBS_INC_DQS_WAIT) ||
(prbs_state_r == PRBS_DEC_DQS_WAIT) ||
(prbs_state_r == FINE_PI_DEC_WAIT) ||
(prbs_state_r == FINE_PI_INC_WAIT) ||
(prbs_state_r == PRBS_NEW_DQS_PREWAIT))
wait_state_cnt_en_r <= #TCQ 1'b1;
else
wait_state_cnt_en_r <= #TCQ 1'b0;
always @(posedge clk)
if (!wait_state_cnt_en_r) begin
wait_state_cnt_r <= #TCQ 'b0;
cnt_wait_state <= #TCQ 1'b0;
end else begin
if (wait_state_cnt_r < 'd15) begin
wait_state_cnt_r <= #TCQ wait_state_cnt_r + 1;
cnt_wait_state <= #TCQ 1'b0;
end else begin
// Need to reset to 0 to handle the case when there are two
// different WAIT states back-to-back
wait_state_cnt_r <= #TCQ 'b0;
cnt_wait_state <= #TCQ 1'b1;
end
end
always @ (posedge clk)
err_chk_invalid <= #TCQ (wait_state_cnt_r < 'd14);
//*****************************************************************
// compare error checking per-bit
//****************************************************************
generate
genvar pb_i;
if (nCK_PER_CLK == 4) begin: cmp_err_pb_4to1
for(pb_i=0 ; pb_i<DRAM_WIDTH; pb_i=pb_i+1) begin
always @ (posedge clk) begin
//prevent error check during PI inc/dec and wait
if (rst || new_cnt_dqs_r || (prbs_state_r == FINE_PI_INC) || (prbs_state_r == FINE_PI_DEC) ||
(err_chk_invalid && ((prbs_state_r == FINE_PI_DEC_WAIT)||(prbs_state_r == FINE_PI_INC_WAIT))))
compare_err_pb[pb_i] <= #TCQ 1'b0;
else if (rd_valid_r2)
compare_err_pb[pb_i] <= #TCQ (mux_rd_rise0_r3[pb_i] != compare_data_rise0_r1[pb_i]) |
(mux_rd_fall0_r3[pb_i] != compare_data_fall0_r1[pb_i]) |
(mux_rd_rise1_r3[pb_i] != compare_data_rise1_r1[pb_i]) |
(mux_rd_fall1_r3[pb_i] != compare_data_fall1_r1[pb_i]) |
(mux_rd_rise2_r3[pb_i] != compare_data_rise2_r1[pb_i]) |
(mux_rd_fall2_r3[pb_i] != compare_data_fall2_r1[pb_i]) |
(mux_rd_rise3_r3[pb_i] != compare_data_rise3_r1[pb_i]) |
(mux_rd_fall3_r3[pb_i] != compare_data_fall3_r1[pb_i]) ;
end //always
end //for
end else begin: cmp_err_pb_2to1
for(pb_i=0 ; pb_i<DRAM_WIDTH; pb_i=pb_i+1) begin
always @ (posedge clk) begin
if (rst || new_cnt_dqs_r || (prbs_state_r == FINE_PI_INC) || (prbs_state_r == FINE_PI_DEC) ||
(err_chk_invalid && ((prbs_state_r == FINE_PI_DEC_WAIT)||(prbs_state_r == FINE_PI_INC_WAIT))))
compare_err_pb[pb_i] <= #TCQ 1'b0;
else if (rd_valid_r2)
compare_err_pb[pb_i] <= #TCQ (mux_rd_rise0_r3[pb_i] != compare_data_rise0_r1[pb_i]) |
(mux_rd_fall0_r3[pb_i] != compare_data_fall0_r1[pb_i]) |
(mux_rd_rise1_r3[pb_i] != compare_data_rise1_r1[pb_i]) |
(mux_rd_fall1_r3[pb_i] != compare_data_fall1_r1[pb_i]) ;
end //always
end //for
end //if
endgenerate
//checking all bit has error
always @ (posedge clk) begin
if(rst || new_cnt_dqs_r) begin
compare_err_pb_and <= #TCQ 1'b0;
end else begin
compare_err_pb_and <= #TCQ &compare_err_pb;
end
end
//generate stick error bit - left/right edge
generate
genvar pb_r;
for(pb_r=0; pb_r<DRAM_WIDTH; pb_r=pb_r+1) begin
always @ (posedge clk) begin
if((prbs_state_r == FINE_PI_INC) | (prbs_state_r == FINE_PI_DEC) |
(~cnt_wait_state && ((prbs_state_r == FINE_PI_INC_WAIT)|(prbs_state_r == FINE_PI_DEC_WAIT))))
compare_err_pb_latch_r[pb_r] <= #TCQ 1'b0;
else
compare_err_pb_latch_r[pb_r] <= #TCQ compare_err_pb[pb_r]? 1'b1:compare_err_pb_latch_r[pb_r];
end
end
endgenerate
//in stage 0, if left edge found, update ref_bit (one hot)
always @ (posedge clk) begin
if (rst | (prbs_state_r == PRBS_NEW_DQS_WAIT)) begin
ref_bit_per_bit <= #TCQ 'd0;
end else if ((prbs_state_r == FINE_PI_INC) && (stage_cnt=='b0)) begin
if(|left_edge_updated) ref_bit_per_bit <= #TCQ left_edge_updated;
end
end
//ref bit with samllest right edge
//if bit 1 and 3 are set to ref_bit_per_bit but bit 1 has smaller right edge, bit is selected as ref_bit
always @ (posedge clk) begin
if(rst | (prbs_state_r == PRBS_NEW_DQS_WAIT)) begin
bit_cnt <= #TCQ 'd0;
ref_right_edge <= #TCQ 6'h3f;
ref_bit <= #TCQ 'd0;
end else if ((prbs_state_r == FINE_CALC_TAPS_WAIT) && (stage_cnt == 'b0) && (bit_cnt < DRAM_WIDTH)) begin
bit_cnt <= #TCQ bit_cnt +'b1;
if ((ref_bit_per_bit[bit_cnt]==1'b1) && (right_edge_pb[bit_cnt*6+:6]<= ref_right_edge)) begin
ref_bit <= #TCQ bit_cnt;
ref_right_edge <= #TCQ right_edge_pb[bit_cnt*6+:6];
end
end
end
//pipe lining for reference bit left/right edge
always @ (posedge clk) begin
left_edge_ref <= #TCQ left_edge_pb[ref_bit*6+:6];
right_edge_ref <= #TCQ right_edge_pb[ref_bit*6+:6];
end
//left_edge/right_edge/left_loss/right_gain update
generate
genvar eg;
for(eg=0; eg<DRAM_WIDTH; eg = eg+1) begin
always @ (posedge clk) begin
if(rst | (prbs_state_r == PRBS_NEW_DQS_WAIT)) begin
match_flag_pb[eg*5+:5] <= #TCQ 5'h1f;
left_edge_pb[eg*6+:6] <= #TCQ 'b0;
right_edge_pb[eg*6+:6] <= #TCQ 6'h3f;
left_edge_found_pb[eg] <= #TCQ 1'b0;
right_edge_found_pb[eg] <= #TCQ 1'b0;
left_loss_pb[eg*6+:6] <= #TCQ 'b0;
right_gain_pb[eg*6+:6] <= #TCQ 'b0;
left_edge_updated[eg] <= #TCQ 'b0;
end else begin
if((prbs_state_r == FINE_PAT_COMPARE_PER_BIT) && (num_samples_done_r || compare_err_pb_and)) begin
//left edge is updated when match flag becomes 100000 (1 fail , 5 success)
if(match_flag_pb[eg*5+:5]==5'b10000 && compare_err_pb_latch_r[eg]==0) begin
left_edge_pb[eg*6+:6] <= #TCQ prbs_dqs_tap_cnt_r-4;
left_edge_found_pb[eg] <= #TCQ 1'b1; //used for update largest_left_edge
left_edge_updated[eg] <= #TCQ 1'b1;
//check the loss of bit - update only for left edge found
if(~left_edge_found_pb[eg])
left_loss_pb[eg*6+:6] <= #TCQ (left_edge_ref > prbs_dqs_tap_cnt_r - 4)? 'd0
: prbs_dqs_tap_cnt_r-4-left_edge_ref;
//right edge is updated when match flag becomes 000001 (5 success, 1 fail)
end else if (match_flag_pb[eg*5+:5]==5'b00000 && compare_err_pb_latch_r[eg]) begin
right_edge_pb[eg*6+:6] <= #TCQ prbs_dqs_tap_cnt_r-1;
right_edge_found_pb[eg] <= #TCQ 1'b1;
//check the gain of bit - update only for right edge found
if(~right_edge_found_pb[eg])
right_gain_pb[eg*6+:6] <= #TCQ (right_edge_ref > prbs_dqs_tap_cnt_r-1)?
((right_edge_pb[eg*6 +:6] > prbs_dqs_tap_cnt_r-1)? 0: prbs_dqs_tap_cnt_r-1- right_edge_pb[eg*6+:6]):
((right_edge_pb[eg*6+:6] > right_edge_ref)? 0 : right_edge_ref - right_edge_pb[eg*6+:6]);
//no right edge found
end else if (prbs_dqs_tap_cnt_r == 6'h3f && ~right_edge_found_pb[eg]) begin
right_edge_pb[eg*6+:6] <= #TCQ 6'h3f;
right_edge_found_pb[eg] <= #TCQ 1'b1;
//right edge at 63. gain = max(0, ref_bit_right_tap - prev_right_edge)
right_gain_pb[eg*6+:6] <= #TCQ (right_edge_ref > right_edge_pb[eg*6+:6])?
(right_edge_ref - right_edge_pb[eg*6+:6]) : 0;
end
//update match flag - shift and update
match_flag_pb[eg*5+:5] <= #TCQ {match_flag_pb[(eg*5)+:4],compare_err_pb_latch_r[eg]};
end else if (prbs_state_r == FINE_PI_DEC) begin
left_edge_found_pb[eg] <= #TCQ 1'b0;
right_edge_found_pb[eg] <= #TCQ 1'b0;
left_loss_pb[eg*6+:6] <= #TCQ 'b0;
right_gain_pb[eg*6+:6] <= #TCQ 'b0;
match_flag_pb[eg*5+:5] <= #TCQ 5'h1f; //new fix
end else if (prbs_state_r == FINE_PI_INC) begin
left_edge_updated[eg] <= #TCQ 'b0; //used only for update largest ref_bit and largest_left_edge
end
end
end //always
end //for
endgenerate
//update fine_delay according to loss/gain value per bit
generate
genvar f_pb;
for(f_pb=0; f_pb<DRAM_WIDTH; f_pb=f_pb+1) begin
always @ (posedge clk) begin
if(rst | prbs_state_r == PRBS_NEW_DQS_WAIT ) begin
fine_delay_incdec_pb[f_pb] <= #TCQ 1'b0;
end else if((prbs_state_r == FINE_CALC_TAPS_WAIT) && (bit_cnt == DRAM_WIDTH)) begin
if(stage_cnt == 'd0) fine_delay_incdec_pb[f_pb] <= #TCQ (f_pb==ref_bit)? 1'b0:1'b1; //only for initial stage
else if(stage_cnt == 'd1) fine_delay_incdec_pb[f_pb] <= #TCQ (right_gain_pb[f_pb*6+:6]>left_loss_pb[f_pb*6+:6])?1'b1:1'b0;
end
end
end
endgenerate
//fine inc stage (stage cnt 0,1,2), fine dec stage (stage cnt 3)
always @ (posedge clk) begin
if (rst)
fine_inc_stage <= #TCQ 'b1;
else
fine_inc_stage <= #TCQ (stage_cnt!='d3);
end
//*****************************************************************
always @(posedge clk)
if (rst) begin
prbs_dqs_cnt_r <= #TCQ 'b0;
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
prbs_prech_req_r <= #TCQ 1'b0;
prbs_state_r <= #TCQ PRBS_IDLE;
prbs_found_1st_edge_r <= #TCQ 1'b0;
prbs_found_2nd_edge_r <= #TCQ 1'b0;
prbs_1st_edge_taps_r <= #TCQ 6'bxxxxxx;
prbs_inc_tap_cnt <= #TCQ 'b0;
prbs_dec_tap_cnt <= #TCQ 'b0;
new_cnt_dqs_r <= #TCQ 1'b0;
if (SIM_CAL_OPTION == "FAST_CAL")
prbs_rdlvl_done <= #TCQ 1'b1;
else
prbs_rdlvl_done <= #TCQ 1'b0;
prbs_2nd_edge_taps_r <= #TCQ 6'bxxxxxx;
prbs_last_byte_done <= #TCQ 1'b0;
prbs_tap_mod <= #TCQ 'd0;
reset_rd_addr <= #TCQ 'b0;
read_pause <= #TCQ 'b0;
fine_pi_dec_cnt <= #TCQ 'b0;
match_flag_and <= #TCQ 5'h1f;
stage_cnt <= #TCQ 2'b00;
right_edge_found <= #TCQ 1'b0;
largest_left_edge <= #TCQ 6'b000000;
smallest_right_edge <= #TCQ 6'b111111;
num_samples_done_ind <= #TCQ 'b0;
fine_delay_sel <= #TCQ 'b0;
fine_dly_error <= #TCQ 'b0;
end else begin
case (prbs_state_r)
PRBS_IDLE: begin
prbs_last_byte_done <= #TCQ 1'b0;
prbs_prech_req_r <= #TCQ 1'b0;
if (prbs_rdlvl_start && ~prbs_rdlvl_start_r) begin
if (SIM_CAL_OPTION == "SKIP_CAL" || SIM_CAL_OPTION == "FAST_CAL") begin
prbs_state_r <= #TCQ PRBS_DONE;
reset_rd_addr <= #TCQ 1'b1;
end else begin
new_cnt_dqs_r <= #TCQ 1'b1;
prbs_state_r <= #TCQ PRBS_NEW_DQS_WAIT;
fine_pi_dec_cnt <= #TCQ pi_counter_read_val;//.
end
end
end
// Wait for the new DQS group to change
// also gives time for the read data IN_FIFO to
// output the updated data for the new DQS group
PRBS_NEW_DQS_WAIT: begin
reset_rd_addr <= #TCQ 'b0;
prbs_last_byte_done <= #TCQ 1'b0;
prbs_prech_req_r <= #TCQ 1'b0;
//fine_inc_stage <= #TCQ 1'b1;
stage_cnt <= #TCQ 2'b0;
match_flag_and <= #TCQ 5'h1f;
if (cnt_wait_state) begin
new_cnt_dqs_r <= #TCQ 1'b0;
prbs_state_r <= #TCQ fine_calib? FINE_PI_DEC:PRBS_PAT_COMPARE;
end
end
// Check for presence of data eye edge. During this state, we
// sample the read data multiple times, and look for changes
// in the read data, specifically:
// 1. A change in the read data compared with the value of
// read data from the previous delay tap. This indicates
// that the most recent tap delay increment has moved us
// into either a new window, or moved/kept us in the
// transition/jitter region between windows. Note that this
// condition only needs to be checked for once, and for
// logistical purposes, we check this soon after entering
// this state (see comment in PRBS_PAT_COMPARE below for
// why this is done)
// 2. A change in the read data while we are in this state
// (i.e. in the absence of a tap delay increment). This
// indicates that we're close enough to a window edge that
// jitter will cause the read data to change even in the
// absence of a tap delay change
PRBS_PAT_COMPARE: begin
// Continue to sample read data and look for edges until the
// appropriate time interval (shorter for simulation-only,
// much, much longer for actual h/w) has elapsed
if (num_samples_done_r || compare_err) begin
if (prbs_dqs_tap_limit_r)
// Only one edge detected and ran out of taps since only one
// bit time worth of taps available for window detection. This
// can happen if at tap 0 DQS is in previous window which results
// in only left edge being detected. Or at tap 0 DQS is in the
// current window resulting in only right edge being detected.
// Depending on the frequency this case can also happen if at
// tap 0 DQS is in the left noise region resulting in only left
// edge being detected.
prbs_state_r <= #TCQ PRBS_CALC_TAPS_PRE;
else if (compare_err || (prbs_dqs_tap_cnt_r == 'd0)) begin
// Sticky bit - asserted after we encounter an edge, although
// the current edge may not be considered the "first edge" this
// just means we found at least one edge
prbs_found_1st_edge_r <= #TCQ 1'b1;
// Both edges of data valid window found:
// If we've found a second edge after a region of stability
// then we must have just passed the second ("right" edge of
// the window. Record this second_edge_taps = current tap-1,
// because we're one past the actual second edge tap, where
// the edge taps represent the extremes of the data valid
// window (i.e. smallest & largest taps where data still valid
if (prbs_found_1st_edge_r) begin
prbs_found_2nd_edge_r <= #TCQ 1'b1;
prbs_2nd_edge_taps_r <= #TCQ prbs_dqs_tap_cnt_r - 1;
prbs_state_r <= #TCQ PRBS_CALC_TAPS_PRE;
end else begin
// Otherwise, an edge was found (just not the "second" edge)
// Assuming DQS is in the correct window at tap 0 of Phaser IN
// fine tap. The first edge found is the right edge of the valid
// window and is the beginning of the jitter region hence done!
if (compare_err)
prbs_1st_edge_taps_r <= #TCQ prbs_dqs_tap_cnt_r + 1;
else
prbs_1st_edge_taps_r <= #TCQ 'd0;
prbs_inc_tap_cnt <= #TCQ rdlvl_cpt_tap_cnt - prbs_dqs_tap_cnt_r;
prbs_state_r <= #TCQ PRBS_INC_DQS;
end
end else begin
// Otherwise, if we haven't found an edge....
// If we still have taps left to use, then keep incrementing
if (prbs_found_1st_edge_r)
prbs_state_r <= #TCQ PRBS_INC_DQS;
else
prbs_state_r <= #TCQ PRBS_DEC_DQS;
end
end
end
// Increment Phaser_IN delay for DQS
PRBS_INC_DQS: begin
prbs_state_r <= #TCQ PRBS_INC_DQS_WAIT;
if (prbs_inc_tap_cnt > 'd0)
prbs_inc_tap_cnt <= #TCQ prbs_inc_tap_cnt - 1;
if (~prbs_dqs_tap_limit_r) begin
prbs_tap_en_r <= #TCQ 1'b1;
prbs_tap_inc_r <= #TCQ 1'b1;
end
end
// Wait for Phaser_In to settle, before checking again for an edge
PRBS_INC_DQS_WAIT: begin
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
if (cnt_wait_state) begin
if (prbs_inc_tap_cnt > 'd0)
prbs_state_r <= #TCQ PRBS_INC_DQS;
else
prbs_state_r <= #TCQ PRBS_PAT_COMPARE;
end
end
// Calculate final value of Phaser_IN taps. At this point, one or both
// edges of data eye have been found, and/or all taps have been
// exhausted looking for the edges
// NOTE: The amount to be decrement by is calculated, not the
// absolute setting for DQS.
// CENTER compensation with shift by 1
PRBS_CALC_TAPS: begin
if (center_comp) begin
prbs_dec_tap_cnt <= #TCQ (dec_cnt[5] & dec_cnt[0])? 'd32: dec_cnt + pi_adj;
fine_dly_error <= #TCQ (dec_cnt[5] & dec_cnt[0])? 1'b1: fine_dly_error; //sticky bit
read_pause <= #TCQ 'b1;
prbs_state_r <= #TCQ PRBS_DEC_DQS;
end else begin //No center compensation
if (prbs_found_2nd_edge_r && prbs_found_1st_edge_r)
// Both edges detected
prbs_dec_tap_cnt
<= #TCQ ((prbs_2nd_edge_taps_r -
prbs_1st_edge_taps_r)>>1) + 1 + pi_adj;
else if (~prbs_found_2nd_edge_r && prbs_found_1st_edge_r)
// Only left edge detected
prbs_dec_tap_cnt
<= #TCQ ((prbs_dqs_tap_cnt_r - prbs_1st_edge_taps_r)>>1) + pi_adj;
else
// No edges detected
prbs_dec_tap_cnt
<= #TCQ (prbs_dqs_tap_cnt_r>>1) + pi_adj;
// Now use the value we just calculated to decrement CPT taps
// to the desired calibration point
read_pause <= #TCQ 'b1;
prbs_state_r <= #TCQ PRBS_DEC_DQS;
end
end
// decrement capture clock for final adjustment - center
// capture clock in middle of data eye. This adjustment will occur
// only when both the edges are found usign CPT taps. Must do this
// incrementally to avoid clock glitching (since CPT drives clock
// divider within each ISERDES)
PRBS_DEC_DQS: begin
prbs_tap_en_r <= #TCQ 1'b1;
prbs_tap_inc_r <= #TCQ 1'b0;
// once adjustment is complete, we're done with calibration for
// this DQS, repeat for next DQS
if (prbs_dec_tap_cnt > 'd0)
prbs_dec_tap_cnt <= #TCQ prbs_dec_tap_cnt - 1;
if (prbs_dec_tap_cnt == 6'b000001)
prbs_state_r <= #TCQ PRBS_NEXT_DQS;
else
prbs_state_r <= #TCQ PRBS_DEC_DQS_WAIT;
end
PRBS_DEC_DQS_WAIT: begin
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
if (cnt_wait_state) begin
if (prbs_dec_tap_cnt > 'd0)
prbs_state_r <= #TCQ PRBS_DEC_DQS;
else
prbs_state_r <= #TCQ PRBS_PAT_COMPARE;
end
end
// Determine whether we're done, or have more DQS's to calibrate
// Also request precharge after every byte, as appropriate
PRBS_NEXT_DQS: begin
read_pause <= #TCQ 'b0;
reset_rd_addr <= #TCQ 'b1;
prbs_prech_req_r <= #TCQ 1'b1;
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
// Prepare for another iteration with next DQS group
prbs_found_1st_edge_r <= #TCQ 1'b0;
prbs_found_2nd_edge_r <= #TCQ 1'b0;
prbs_1st_edge_taps_r <= #TCQ 'd0;
prbs_2nd_edge_taps_r <= #TCQ 'd0;
largest_left_edge <= #TCQ 6'b000000;
smallest_right_edge <= #TCQ 6'b111111;
if (prbs_dqs_cnt_r >= DQS_WIDTH-1) begin
prbs_last_byte_done <= #TCQ 1'b1;
end
// Wait until precharge that occurs in between calibration of
// DQS groups is finished
if (prech_done) begin
prbs_prech_req_r <= #TCQ 1'b0;
if (prbs_dqs_cnt_r >= DQS_WIDTH-1) begin
// All DQS groups done
prbs_state_r <= #TCQ PRBS_DONE;
end else begin
// Process next DQS group
new_cnt_dqs_r <= #TCQ 1'b1;
//fine_pi_dec_cnt <= #TCQ pi_counter_read_val;//.
prbs_dqs_cnt_r <= #TCQ prbs_dqs_cnt_r + 1;
prbs_state_r <= #TCQ PRBS_NEW_DQS_PREWAIT;
end
end
end
PRBS_NEW_DQS_PREWAIT: begin
if (cnt_wait_state) begin
prbs_state_r <= #TCQ PRBS_NEW_DQS_WAIT;
fine_pi_dec_cnt <= #TCQ pi_counter_read_val;//.
end
end
PRBS_CALC_TAPS_PRE:
begin
if(num_samples_done_r) begin
prbs_state_r <= #TCQ fine_calib? PRBS_NEXT_DQS:PRBS_CALC_TAPS_WAIT;
if(center_comp && ~fine_calib) begin
if(prbs_found_1st_edge_r) largest_left_edge <= #TCQ prbs_1st_edge_taps_r;
else largest_left_edge <= #TCQ 6'd0;
if(prbs_found_2nd_edge_r) smallest_right_edge <= #TCQ prbs_2nd_edge_taps_r;
else smallest_right_edge <= #TCQ 6'd63;
end
end
end
//wait for center compensation
PRBS_CALC_TAPS_WAIT:
begin
prbs_state_r <= #TCQ PRBS_CALC_TAPS;
end
//if it is fine_inc stage (first/second stage): dec to 0
//if it is fine_dec stage (third stage): dec to center
FINE_PI_DEC: begin
fine_delay_sel <= #TCQ 'b0;
if(fine_pi_dec_cnt > 0) begin
prbs_tap_en_r <= #TCQ 1'b1;
prbs_tap_inc_r <= #TCQ 1'b0;
fine_pi_dec_cnt <= #TCQ fine_pi_dec_cnt - 'd1;
end
prbs_state_r <= #TCQ FINE_PI_DEC_WAIT;
end
//wait for phaser_in tap decrement.
//if first/second stage is done, goes to FINE_PI_INC
//if last stage is done, goes to NEXT_DQS
FINE_PI_DEC_WAIT: begin
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
if(cnt_wait_state) begin
if(fine_pi_dec_cnt >0)
prbs_state_r <= #TCQ FINE_PI_DEC;
else
if(fine_inc_stage)
// prbs_state_r <= #TCQ FINE_PI_INC; //for temp change
prbs_state_r <= #TCQ FINE_PAT_COMPARE_PER_BIT; //start from pi tap "0"
else
prbs_state_r <= #TCQ PRBS_CALC_TAPS_PRE; //finish the process and go to the next DQS
end
end
FINE_PI_INC: begin
if(|left_edge_updated) largest_left_edge <= #TCQ prbs_dqs_tap_cnt_r-4;
if(|right_edge_found_pb && ~right_edge_found) begin
smallest_right_edge <= #TCQ prbs_dqs_tap_cnt_r -1 ;
right_edge_found <= #TCQ 'b1;
end
//left_edge_found_pb <= #TCQ {DRAM_WIDTH{1'b0}};
prbs_state_r <= #TCQ FINE_PI_INC_WAIT;
if(~prbs_dqs_tap_limit_r) begin
prbs_tap_en_r <= #TCQ 1'b1;
prbs_tap_inc_r <= #TCQ 1'b1;
end
end
//wait for phase_in tap increment
//need to do pattern compare for every bit
FINE_PI_INC_WAIT: begin
prbs_tap_en_r <= #TCQ 1'b0;
prbs_tap_inc_r <= #TCQ 1'b0;
if (cnt_wait_state) begin
prbs_state_r <= #TCQ FINE_PAT_COMPARE_PER_BIT;
end
end
//compare per bit data and update flags,left/right edge
FINE_PAT_COMPARE_PER_BIT: begin
if(num_samples_done_r || compare_err_pb_and) begin
//update and_flag - shift and add
match_flag_and <= #TCQ {match_flag_and[3:0],compare_err_pb_and};
//if it is consecutive 5 passing taps followed by fail or tap limit (finish the search)
//don't go to fine_FINE_CALC_TAPS to prevent to skip whole stage
//Or if all right edge are found
if((match_flag_and == 5'b00000 && compare_err_pb_and && (prbs_dqs_tap_cnt_r > 5)) || prbs_dqs_tap_limit_r || (&right_edge_found_pb)) begin
prbs_state_r <= #TCQ FINE_CALC_TAPS;
//if all right edge are alined (all right edge found at the same time), update smallest right edge in here
//doesnt need to set right_edge_found to 1 since it is not used after this stage
if(!right_edge_found) smallest_right_edge <= #TCQ prbs_dqs_tap_cnt_r-1;
end else begin
prbs_state_r <= #TCQ FINE_PI_INC; //keep increase until all fail
end
num_samples_done_ind <= num_samples_done_r;
end
end
//for fine_inc stage, inc all fine delay
//for fine_dec stage, apply dec fine delay for specific bits (by calculating the loss/gain)
// put phaser_in taps to the center
FINE_CALC_TAPS: begin
if(num_samples_done_ind || num_samples_done_r) begin
num_samples_done_ind <= #TCQ 'b0; //indicate num_samples_done_r is set
right_edge_found <= #TCQ 1'b0; //reset right edge found
match_flag_and <= #TCQ 5'h1f; //reset match flag for all bits
prbs_state_r <= #TCQ FINE_CALC_TAPS_WAIT;
end
end
FINE_CALC_TAPS_WAIT: begin //wait for ROM read out
if(stage_cnt == 'd2) begin //last stage : back to center
if(center_comp) begin
fine_pi_dec_cnt <= #TCQ (dec_cnt[5]&dec_cnt[0])? 'd32: prbs_dqs_tap_cnt_r - smallest_right_edge + dec_cnt - 1 + pi_adj ; //going to the center value & shift by 1
fine_dly_error <= #TCQ (dec_cnt[5]&dec_cnt[0]) ? 1'b1: fine_dly_error;
end else begin
fine_pi_dec_cnt <= #TCQ prbs_dqs_tap_cnt_r - center_calc[6:1] - center_calc[0] + pi_adj; //going to the center value & shift left by 1
fine_dly_error <= #TCQ 1'b0;
end
end else begin
fine_pi_dec_cnt <= #TCQ prbs_dqs_tap_cnt_r;
end
if (bit_cnt == DRAM_WIDTH) begin
fine_delay_sel <= #TCQ 'b1;
stage_cnt <= #TCQ stage_cnt + 1;
prbs_state_r <= #TCQ FINE_PI_DEC;
end
end
// Done with this stage of calibration
PRBS_DONE: begin
prbs_prech_req_r <= #TCQ 1'b0;
prbs_last_byte_done <= #TCQ 1'b0;
prbs_rdlvl_done <= #TCQ 1'b1;
reset_rd_addr <= #TCQ 1'b0;
end
endcase
end
//ROM generation for dec counter
always @ (largest_left_edge or smallest_right_edge) begin
case ({largest_left_edge, smallest_right_edge})
12'd0 : mem_out_dec = 6'b111111;
12'd1 : mem_out_dec = 6'b111111;
12'd2 : mem_out_dec = 6'b111111;
12'd3 : mem_out_dec = 6'b111111;
12'd4 : mem_out_dec = 6'b111111;
12'd5 : mem_out_dec = 6'b111111;
12'd6 : mem_out_dec = 6'b000100;
12'd7 : mem_out_dec = 6'b000101;
12'd8 : mem_out_dec = 6'b000101;
12'd9 : mem_out_dec = 6'b000110;
12'd10 : mem_out_dec = 6'b000110;
12'd11 : mem_out_dec = 6'b000111;
12'd12 : mem_out_dec = 6'b001000;
12'd13 : mem_out_dec = 6'b001000;
12'd14 : mem_out_dec = 6'b001001;
12'd15 : mem_out_dec = 6'b001010;
12'd16 : mem_out_dec = 6'b001010;
12'd17 : mem_out_dec = 6'b001011;
12'd18 : mem_out_dec = 6'b001011;
12'd19 : mem_out_dec = 6'b001100;
12'd20 : mem_out_dec = 6'b001100;
12'd21 : mem_out_dec = 6'b001100;
12'd22 : mem_out_dec = 6'b001100;
12'd23 : mem_out_dec = 6'b001101;
12'd24 : mem_out_dec = 6'b001100;
12'd25 : mem_out_dec = 6'b001100;
12'd26 : mem_out_dec = 6'b001101;
12'd27 : mem_out_dec = 6'b001110;
12'd28 : mem_out_dec = 6'b001110;
12'd29 : mem_out_dec = 6'b001111;
12'd30 : mem_out_dec = 6'b010000;
12'd31 : mem_out_dec = 6'b010001;
12'd32 : mem_out_dec = 6'b010001;
12'd33 : mem_out_dec = 6'b010010;
12'd34 : mem_out_dec = 6'b010010;
12'd35 : mem_out_dec = 6'b010010;
12'd36 : mem_out_dec = 6'b010011;
12'd37 : mem_out_dec = 6'b010100;
12'd38 : mem_out_dec = 6'b010100;
12'd39 : mem_out_dec = 6'b010101;
12'd40 : mem_out_dec = 6'b010101;
12'd41 : mem_out_dec = 6'b010110;
12'd42 : mem_out_dec = 6'b010110;
12'd43 : mem_out_dec = 6'b010111;
12'd44 : mem_out_dec = 6'b011000;
12'd45 : mem_out_dec = 6'b011001;
12'd46 : mem_out_dec = 6'b011001;
12'd47 : mem_out_dec = 6'b011010;
12'd48 : mem_out_dec = 6'b011010;
12'd49 : mem_out_dec = 6'b011011;
12'd50 : mem_out_dec = 6'b011011;
12'd51 : mem_out_dec = 6'b011100;
12'd52 : mem_out_dec = 6'b011100;
12'd53 : mem_out_dec = 6'b011100;
12'd54 : mem_out_dec = 6'b011100;
12'd55 : mem_out_dec = 6'b011100;
12'd56 : mem_out_dec = 6'b011100;
12'd57 : mem_out_dec = 6'b011100;
12'd58 : mem_out_dec = 6'b011100;
12'd59 : mem_out_dec = 6'b011101;
12'd60 : mem_out_dec = 6'b011110;
12'd61 : mem_out_dec = 6'b011111;
12'd62 : mem_out_dec = 6'b100000;
12'd63 : mem_out_dec = 6'b100000;
12'd64 : mem_out_dec = 6'b111111;
12'd65 : mem_out_dec = 6'b111111;
12'd66 : mem_out_dec = 6'b111111;
12'd67 : mem_out_dec = 6'b111111;
12'd68 : mem_out_dec = 6'b111111;
12'd69 : mem_out_dec = 6'b111111;
12'd70 : mem_out_dec = 6'b111111;
12'd71 : mem_out_dec = 6'b000100;
12'd72 : mem_out_dec = 6'b000100;
12'd73 : mem_out_dec = 6'b000101;
12'd74 : mem_out_dec = 6'b000110;
12'd75 : mem_out_dec = 6'b000111;
12'd76 : mem_out_dec = 6'b000111;
12'd77 : mem_out_dec = 6'b001000;
12'd78 : mem_out_dec = 6'b001001;
12'd79 : mem_out_dec = 6'b001001;
12'd80 : mem_out_dec = 6'b001010;
12'd81 : mem_out_dec = 6'b001010;
12'd82 : mem_out_dec = 6'b001011;
12'd83 : mem_out_dec = 6'b001011;
12'd84 : mem_out_dec = 6'b001011;
12'd85 : mem_out_dec = 6'b001011;
12'd86 : mem_out_dec = 6'b001011;
12'd87 : mem_out_dec = 6'b001100;
12'd88 : mem_out_dec = 6'b001011;
12'd89 : mem_out_dec = 6'b001100;
12'd90 : mem_out_dec = 6'b001100;
12'd91 : mem_out_dec = 6'b001101;
12'd92 : mem_out_dec = 6'b001110;
12'd93 : mem_out_dec = 6'b001111;
12'd94 : mem_out_dec = 6'b001111;
12'd95 : mem_out_dec = 6'b010000;
12'd96 : mem_out_dec = 6'b010001;
12'd97 : mem_out_dec = 6'b010001;
12'd98 : mem_out_dec = 6'b010010;
12'd99 : mem_out_dec = 6'b010010;
12'd100 : mem_out_dec = 6'b010011;
12'd101 : mem_out_dec = 6'b010011;
12'd102 : mem_out_dec = 6'b010100;
12'd103 : mem_out_dec = 6'b010100;
12'd104 : mem_out_dec = 6'b010100;
12'd105 : mem_out_dec = 6'b010101;
12'd106 : mem_out_dec = 6'b010110;
12'd107 : mem_out_dec = 6'b010111;
12'd108 : mem_out_dec = 6'b010111;
12'd109 : mem_out_dec = 6'b011000;
12'd110 : mem_out_dec = 6'b011001;
12'd111 : mem_out_dec = 6'b011001;
12'd112 : mem_out_dec = 6'b011010;
12'd113 : mem_out_dec = 6'b011010;
12'd114 : mem_out_dec = 6'b011011;
12'd115 : mem_out_dec = 6'b011011;
12'd116 : mem_out_dec = 6'b011011;
12'd117 : mem_out_dec = 6'b011011;
12'd118 : mem_out_dec = 6'b011011;
12'd119 : mem_out_dec = 6'b011011;
12'd120 : mem_out_dec = 6'b011011;
12'd121 : mem_out_dec = 6'b011011;
12'd122 : mem_out_dec = 6'b011100;
12'd123 : mem_out_dec = 6'b011101;
12'd124 : mem_out_dec = 6'b011110;
12'd125 : mem_out_dec = 6'b011110;
12'd126 : mem_out_dec = 6'b011111;
12'd127 : mem_out_dec = 6'b100000;
12'd128 : mem_out_dec = 6'b111111;
12'd129 : mem_out_dec = 6'b111111;
12'd130 : mem_out_dec = 6'b111111;
12'd131 : mem_out_dec = 6'b111111;
12'd132 : mem_out_dec = 6'b111111;
12'd133 : mem_out_dec = 6'b111111;
12'd134 : mem_out_dec = 6'b111111;
12'd135 : mem_out_dec = 6'b111111;
12'd136 : mem_out_dec = 6'b000100;
12'd137 : mem_out_dec = 6'b000101;
12'd138 : mem_out_dec = 6'b000101;
12'd139 : mem_out_dec = 6'b000110;
12'd140 : mem_out_dec = 6'b000110;
12'd141 : mem_out_dec = 6'b000111;
12'd142 : mem_out_dec = 6'b001000;
12'd143 : mem_out_dec = 6'b001001;
12'd144 : mem_out_dec = 6'b001001;
12'd145 : mem_out_dec = 6'b001010;
12'd146 : mem_out_dec = 6'b001010;
12'd147 : mem_out_dec = 6'b001010;
12'd148 : mem_out_dec = 6'b001010;
12'd149 : mem_out_dec = 6'b001010;
12'd150 : mem_out_dec = 6'b001010;
12'd151 : mem_out_dec = 6'b001011;
12'd152 : mem_out_dec = 6'b001010;
12'd153 : mem_out_dec = 6'b001011;
12'd154 : mem_out_dec = 6'b001100;
12'd155 : mem_out_dec = 6'b001101;
12'd156 : mem_out_dec = 6'b001101;
12'd157 : mem_out_dec = 6'b001110;
12'd158 : mem_out_dec = 6'b001111;
12'd159 : mem_out_dec = 6'b010000;
12'd160 : mem_out_dec = 6'b010000;
12'd161 : mem_out_dec = 6'b010001;
12'd162 : mem_out_dec = 6'b010001;
12'd163 : mem_out_dec = 6'b010010;
12'd164 : mem_out_dec = 6'b010010;
12'd165 : mem_out_dec = 6'b010011;
12'd166 : mem_out_dec = 6'b010011;
12'd167 : mem_out_dec = 6'b010100;
12'd168 : mem_out_dec = 6'b010100;
12'd169 : mem_out_dec = 6'b010101;
12'd170 : mem_out_dec = 6'b010101;
12'd171 : mem_out_dec = 6'b010110;
12'd172 : mem_out_dec = 6'b010111;
12'd173 : mem_out_dec = 6'b010111;
12'd174 : mem_out_dec = 6'b011000;
12'd175 : mem_out_dec = 6'b011001;
12'd176 : mem_out_dec = 6'b011001;
12'd177 : mem_out_dec = 6'b011010;
12'd178 : mem_out_dec = 6'b011010;
12'd179 : mem_out_dec = 6'b011010;
12'd180 : mem_out_dec = 6'b011010;
12'd181 : mem_out_dec = 6'b011010;
12'd182 : mem_out_dec = 6'b011010;
12'd183 : mem_out_dec = 6'b011010;
12'd184 : mem_out_dec = 6'b011010;
12'd185 : mem_out_dec = 6'b011011;
12'd186 : mem_out_dec = 6'b011100;
12'd187 : mem_out_dec = 6'b011100;
12'd188 : mem_out_dec = 6'b011101;
12'd189 : mem_out_dec = 6'b011110;
12'd190 : mem_out_dec = 6'b011111;
12'd191 : mem_out_dec = 6'b100000;
12'd192 : mem_out_dec = 6'b111111;
12'd193 : mem_out_dec = 6'b111111;
12'd194 : mem_out_dec = 6'b111111;
12'd195 : mem_out_dec = 6'b111111;
12'd196 : mem_out_dec = 6'b111111;
12'd197 : mem_out_dec = 6'b111111;
12'd198 : mem_out_dec = 6'b111111;
12'd199 : mem_out_dec = 6'b111111;
12'd200 : mem_out_dec = 6'b111111;
12'd201 : mem_out_dec = 6'b000100;
12'd202 : mem_out_dec = 6'b000100;
12'd203 : mem_out_dec = 6'b000101;
12'd204 : mem_out_dec = 6'b000110;
12'd205 : mem_out_dec = 6'b000111;
12'd206 : mem_out_dec = 6'b001000;
12'd207 : mem_out_dec = 6'b001000;
12'd208 : mem_out_dec = 6'b001001;
12'd209 : mem_out_dec = 6'b001001;
12'd210 : mem_out_dec = 6'b001001;
12'd211 : mem_out_dec = 6'b001001;
12'd212 : mem_out_dec = 6'b001001;
12'd213 : mem_out_dec = 6'b001001;
12'd214 : mem_out_dec = 6'b001001;
12'd215 : mem_out_dec = 6'b001010;
12'd216 : mem_out_dec = 6'b001010;
12'd217 : mem_out_dec = 6'b001011;
12'd218 : mem_out_dec = 6'b001011;
12'd219 : mem_out_dec = 6'b001100;
12'd220 : mem_out_dec = 6'b001101;
12'd221 : mem_out_dec = 6'b001110;
12'd222 : mem_out_dec = 6'b001111;
12'd223 : mem_out_dec = 6'b001111;
12'd224 : mem_out_dec = 6'b010000;
12'd225 : mem_out_dec = 6'b010000;
12'd226 : mem_out_dec = 6'b010001;
12'd227 : mem_out_dec = 6'b010001;
12'd228 : mem_out_dec = 6'b010010;
12'd229 : mem_out_dec = 6'b010010;
12'd230 : mem_out_dec = 6'b010011;
12'd231 : mem_out_dec = 6'b010011;
12'd232 : mem_out_dec = 6'b010011;
12'd233 : mem_out_dec = 6'b010100;
12'd234 : mem_out_dec = 6'b010100;
12'd235 : mem_out_dec = 6'b010101;
12'd236 : mem_out_dec = 6'b010110;
12'd237 : mem_out_dec = 6'b010111;
12'd238 : mem_out_dec = 6'b011000;
12'd239 : mem_out_dec = 6'b011000;
12'd240 : mem_out_dec = 6'b011001;
12'd241 : mem_out_dec = 6'b011001;
12'd242 : mem_out_dec = 6'b011001;
12'd243 : mem_out_dec = 6'b011001;
12'd244 : mem_out_dec = 6'b011001;
12'd245 : mem_out_dec = 6'b011001;
12'd246 : mem_out_dec = 6'b011001;
12'd247 : mem_out_dec = 6'b011001;
12'd248 : mem_out_dec = 6'b011010;
12'd249 : mem_out_dec = 6'b011010;
12'd250 : mem_out_dec = 6'b011011;
12'd251 : mem_out_dec = 6'b011100;
12'd252 : mem_out_dec = 6'b011101;
12'd253 : mem_out_dec = 6'b011110;
12'd254 : mem_out_dec = 6'b011110;
12'd255 : mem_out_dec = 6'b011111;
12'd256 : mem_out_dec = 6'b111111;
12'd257 : mem_out_dec = 6'b111111;
12'd258 : mem_out_dec = 6'b111111;
12'd259 : mem_out_dec = 6'b111111;
12'd260 : mem_out_dec = 6'b111111;
12'd261 : mem_out_dec = 6'b111111;
12'd262 : mem_out_dec = 6'b111111;
12'd263 : mem_out_dec = 6'b111111;
12'd264 : mem_out_dec = 6'b111111;
12'd265 : mem_out_dec = 6'b111111;
12'd266 : mem_out_dec = 6'b000100;
12'd267 : mem_out_dec = 6'b000101;
12'd268 : mem_out_dec = 6'b000110;
12'd269 : mem_out_dec = 6'b000110;
12'd270 : mem_out_dec = 6'b000111;
12'd271 : mem_out_dec = 6'b001000;
12'd272 : mem_out_dec = 6'b001000;
12'd273 : mem_out_dec = 6'b001000;
12'd274 : mem_out_dec = 6'b001000;
12'd275 : mem_out_dec = 6'b001000;
12'd276 : mem_out_dec = 6'b001000;
12'd277 : mem_out_dec = 6'b001000;
12'd278 : mem_out_dec = 6'b001000;
12'd279 : mem_out_dec = 6'b001001;
12'd280 : mem_out_dec = 6'b001001;
12'd281 : mem_out_dec = 6'b001010;
12'd282 : mem_out_dec = 6'b001011;
12'd283 : mem_out_dec = 6'b001100;
12'd284 : mem_out_dec = 6'b001101;
12'd285 : mem_out_dec = 6'b001101;
12'd286 : mem_out_dec = 6'b001110;
12'd287 : mem_out_dec = 6'b001111;
12'd288 : mem_out_dec = 6'b001111;
12'd289 : mem_out_dec = 6'b010000;
12'd290 : mem_out_dec = 6'b010000;
12'd291 : mem_out_dec = 6'b010001;
12'd292 : mem_out_dec = 6'b010001;
12'd293 : mem_out_dec = 6'b010010;
12'd294 : mem_out_dec = 6'b010010;
12'd295 : mem_out_dec = 6'b010011;
12'd296 : mem_out_dec = 6'b010010;
12'd297 : mem_out_dec = 6'b010011;
12'd298 : mem_out_dec = 6'b010100;
12'd299 : mem_out_dec = 6'b010101;
12'd300 : mem_out_dec = 6'b010110;
12'd301 : mem_out_dec = 6'b010110;
12'd302 : mem_out_dec = 6'b010111;
12'd303 : mem_out_dec = 6'b011000;
12'd304 : mem_out_dec = 6'b011000;
12'd305 : mem_out_dec = 6'b011000;
12'd306 : mem_out_dec = 6'b011000;
12'd307 : mem_out_dec = 6'b011000;
12'd308 : mem_out_dec = 6'b011000;
12'd309 : mem_out_dec = 6'b011000;
12'd310 : mem_out_dec = 6'b011000;
12'd311 : mem_out_dec = 6'b011001;
12'd312 : mem_out_dec = 6'b011001;
12'd313 : mem_out_dec = 6'b011010;
12'd314 : mem_out_dec = 6'b011011;
12'd315 : mem_out_dec = 6'b011100;
12'd316 : mem_out_dec = 6'b011100;
12'd317 : mem_out_dec = 6'b011101;
12'd318 : mem_out_dec = 6'b011110;
12'd319 : mem_out_dec = 6'b011111;
12'd320 : mem_out_dec = 6'b111111;
12'd321 : mem_out_dec = 6'b111111;
12'd322 : mem_out_dec = 6'b111111;
12'd323 : mem_out_dec = 6'b111111;
12'd324 : mem_out_dec = 6'b111111;
12'd325 : mem_out_dec = 6'b111111;
12'd326 : mem_out_dec = 6'b111111;
12'd327 : mem_out_dec = 6'b111111;
12'd328 : mem_out_dec = 6'b111111;
12'd329 : mem_out_dec = 6'b111111;
12'd330 : mem_out_dec = 6'b111111;
12'd331 : mem_out_dec = 6'b000100;
12'd332 : mem_out_dec = 6'b000101;
12'd333 : mem_out_dec = 6'b000110;
12'd334 : mem_out_dec = 6'b000111;
12'd335 : mem_out_dec = 6'b001000;
12'd336 : mem_out_dec = 6'b000111;
12'd337 : mem_out_dec = 6'b000111;
12'd338 : mem_out_dec = 6'b000111;
12'd339 : mem_out_dec = 6'b000111;
12'd340 : mem_out_dec = 6'b000111;
12'd341 : mem_out_dec = 6'b000111;
12'd342 : mem_out_dec = 6'b001000;
12'd343 : mem_out_dec = 6'b001001;
12'd344 : mem_out_dec = 6'b001001;
12'd345 : mem_out_dec = 6'b001010;
12'd346 : mem_out_dec = 6'b001011;
12'd347 : mem_out_dec = 6'b001011;
12'd348 : mem_out_dec = 6'b001100;
12'd349 : mem_out_dec = 6'b001101;
12'd350 : mem_out_dec = 6'b001110;
12'd351 : mem_out_dec = 6'b001110;
12'd352 : mem_out_dec = 6'b001111;
12'd353 : mem_out_dec = 6'b001111;
12'd354 : mem_out_dec = 6'b010000;
12'd355 : mem_out_dec = 6'b010000;
12'd356 : mem_out_dec = 6'b010001;
12'd357 : mem_out_dec = 6'b010001;
12'd358 : mem_out_dec = 6'b010001;
12'd359 : mem_out_dec = 6'b010010;
12'd360 : mem_out_dec = 6'b010010;
12'd361 : mem_out_dec = 6'b010011;
12'd362 : mem_out_dec = 6'b010100;
12'd363 : mem_out_dec = 6'b010100;
12'd364 : mem_out_dec = 6'b010101;
12'd365 : mem_out_dec = 6'b010110;
12'd366 : mem_out_dec = 6'b010111;
12'd367 : mem_out_dec = 6'b011000;
12'd368 : mem_out_dec = 6'b010111;
12'd369 : mem_out_dec = 6'b010111;
12'd370 : mem_out_dec = 6'b010111;
12'd371 : mem_out_dec = 6'b010111;
12'd372 : mem_out_dec = 6'b010111;
12'd373 : mem_out_dec = 6'b010111;
12'd374 : mem_out_dec = 6'b011000;
12'd375 : mem_out_dec = 6'b011001;
12'd376 : mem_out_dec = 6'b011001;
12'd377 : mem_out_dec = 6'b011010;
12'd378 : mem_out_dec = 6'b011010;
12'd379 : mem_out_dec = 6'b011011;
12'd380 : mem_out_dec = 6'b011100;
12'd381 : mem_out_dec = 6'b011101;
12'd382 : mem_out_dec = 6'b011101;
12'd383 : mem_out_dec = 6'b011110;
12'd384 : mem_out_dec = 6'b111111;
12'd385 : mem_out_dec = 6'b111111;
12'd386 : mem_out_dec = 6'b111111;
12'd387 : mem_out_dec = 6'b111111;
12'd388 : mem_out_dec = 6'b111111;
12'd389 : mem_out_dec = 6'b111111;
12'd390 : mem_out_dec = 6'b111111;
12'd391 : mem_out_dec = 6'b111111;
12'd392 : mem_out_dec = 6'b111111;
12'd393 : mem_out_dec = 6'b111111;
12'd394 : mem_out_dec = 6'b111111;
12'd395 : mem_out_dec = 6'b111111;
12'd396 : mem_out_dec = 6'b000101;
12'd397 : mem_out_dec = 6'b000110;
12'd398 : mem_out_dec = 6'b000110;
12'd399 : mem_out_dec = 6'b000111;
12'd400 : mem_out_dec = 6'b000110;
12'd401 : mem_out_dec = 6'b000110;
12'd402 : mem_out_dec = 6'b000110;
12'd403 : mem_out_dec = 6'b000110;
12'd404 : mem_out_dec = 6'b000110;
12'd405 : mem_out_dec = 6'b000111;
12'd406 : mem_out_dec = 6'b001000;
12'd407 : mem_out_dec = 6'b001000;
12'd408 : mem_out_dec = 6'b001001;
12'd409 : mem_out_dec = 6'b001001;
12'd410 : mem_out_dec = 6'b001010;
12'd411 : mem_out_dec = 6'b001011;
12'd412 : mem_out_dec = 6'b001100;
12'd413 : mem_out_dec = 6'b001100;
12'd414 : mem_out_dec = 6'b001101;
12'd415 : mem_out_dec = 6'b001110;
12'd416 : mem_out_dec = 6'b001110;
12'd417 : mem_out_dec = 6'b001111;
12'd418 : mem_out_dec = 6'b001111;
12'd419 : mem_out_dec = 6'b010000;
12'd420 : mem_out_dec = 6'b010000;
12'd421 : mem_out_dec = 6'b010000;
12'd422 : mem_out_dec = 6'b010001;
12'd423 : mem_out_dec = 6'b010001;
12'd424 : mem_out_dec = 6'b010010;
12'd425 : mem_out_dec = 6'b010011;
12'd426 : mem_out_dec = 6'b010011;
12'd427 : mem_out_dec = 6'b010100;
12'd428 : mem_out_dec = 6'b010101;
12'd429 : mem_out_dec = 6'b010110;
12'd430 : mem_out_dec = 6'b010111;
12'd431 : mem_out_dec = 6'b010111;
12'd432 : mem_out_dec = 6'b010110;
12'd433 : mem_out_dec = 6'b010110;
12'd434 : mem_out_dec = 6'b010110;
12'd435 : mem_out_dec = 6'b010110;
12'd436 : mem_out_dec = 6'b010110;
12'd437 : mem_out_dec = 6'b010111;
12'd438 : mem_out_dec = 6'b010111;
12'd439 : mem_out_dec = 6'b011000;
12'd440 : mem_out_dec = 6'b011001;
12'd441 : mem_out_dec = 6'b011001;
12'd442 : mem_out_dec = 6'b011010;
12'd443 : mem_out_dec = 6'b011011;
12'd444 : mem_out_dec = 6'b011011;
12'd445 : mem_out_dec = 6'b011100;
12'd446 : mem_out_dec = 6'b011101;
12'd447 : mem_out_dec = 6'b011110;
12'd448 : mem_out_dec = 6'b111111;
12'd449 : mem_out_dec = 6'b111111;
12'd450 : mem_out_dec = 6'b111111;
12'd451 : mem_out_dec = 6'b111111;
12'd452 : mem_out_dec = 6'b111111;
12'd453 : mem_out_dec = 6'b111111;
12'd454 : mem_out_dec = 6'b111111;
12'd455 : mem_out_dec = 6'b111111;
12'd456 : mem_out_dec = 6'b111111;
12'd457 : mem_out_dec = 6'b111111;
12'd458 : mem_out_dec = 6'b111111;
12'd459 : mem_out_dec = 6'b111111;
12'd460 : mem_out_dec = 6'b111111;
12'd461 : mem_out_dec = 6'b000101;
12'd462 : mem_out_dec = 6'b000110;
12'd463 : mem_out_dec = 6'b000110;
12'd464 : mem_out_dec = 6'b000110;
12'd465 : mem_out_dec = 6'b000110;
12'd466 : mem_out_dec = 6'b000110;
12'd467 : mem_out_dec = 6'b000110;
12'd468 : mem_out_dec = 6'b000110;
12'd469 : mem_out_dec = 6'b000111;
12'd470 : mem_out_dec = 6'b000111;
12'd471 : mem_out_dec = 6'b001000;
12'd472 : mem_out_dec = 6'b001000;
12'd473 : mem_out_dec = 6'b001001;
12'd474 : mem_out_dec = 6'b001010;
12'd475 : mem_out_dec = 6'b001011;
12'd476 : mem_out_dec = 6'b001011;
12'd477 : mem_out_dec = 6'b001100;
12'd478 : mem_out_dec = 6'b001101;
12'd479 : mem_out_dec = 6'b001110;
12'd480 : mem_out_dec = 6'b001110;
12'd481 : mem_out_dec = 6'b001110;
12'd482 : mem_out_dec = 6'b001111;
12'd483 : mem_out_dec = 6'b001111;
12'd484 : mem_out_dec = 6'b010000;
12'd485 : mem_out_dec = 6'b010000;
12'd486 : mem_out_dec = 6'b010000;
12'd487 : mem_out_dec = 6'b010001;
12'd488 : mem_out_dec = 6'b010001;
12'd489 : mem_out_dec = 6'b010010;
12'd490 : mem_out_dec = 6'b010011;
12'd491 : mem_out_dec = 6'b010100;
12'd492 : mem_out_dec = 6'b010101;
12'd493 : mem_out_dec = 6'b010101;
12'd494 : mem_out_dec = 6'b010110;
12'd495 : mem_out_dec = 6'b010110;
12'd496 : mem_out_dec = 6'b010110;
12'd497 : mem_out_dec = 6'b010110;
12'd498 : mem_out_dec = 6'b010101;
12'd499 : mem_out_dec = 6'b010101;
12'd500 : mem_out_dec = 6'b010110;
12'd501 : mem_out_dec = 6'b010111;
12'd502 : mem_out_dec = 6'b010111;
12'd503 : mem_out_dec = 6'b011000;
12'd504 : mem_out_dec = 6'b011000;
12'd505 : mem_out_dec = 6'b011001;
12'd506 : mem_out_dec = 6'b011010;
12'd507 : mem_out_dec = 6'b011010;
12'd508 : mem_out_dec = 6'b011011;
12'd509 : mem_out_dec = 6'b011100;
12'd510 : mem_out_dec = 6'b011101;
12'd511 : mem_out_dec = 6'b011101;
12'd512 : mem_out_dec = 6'b111111;
12'd513 : mem_out_dec = 6'b111111;
12'd514 : mem_out_dec = 6'b111111;
12'd515 : mem_out_dec = 6'b111111;
12'd516 : mem_out_dec = 6'b111111;
12'd517 : mem_out_dec = 6'b111111;
12'd518 : mem_out_dec = 6'b111111;
12'd519 : mem_out_dec = 6'b111111;
12'd520 : mem_out_dec = 6'b111111;
12'd521 : mem_out_dec = 6'b111111;
12'd522 : mem_out_dec = 6'b111111;
12'd523 : mem_out_dec = 6'b111111;
12'd524 : mem_out_dec = 6'b111111;
12'd525 : mem_out_dec = 6'b111111;
12'd526 : mem_out_dec = 6'b000100;
12'd527 : mem_out_dec = 6'b000101;
12'd528 : mem_out_dec = 6'b000100;
12'd529 : mem_out_dec = 6'b000100;
12'd530 : mem_out_dec = 6'b000100;
12'd531 : mem_out_dec = 6'b000101;
12'd532 : mem_out_dec = 6'b000101;
12'd533 : mem_out_dec = 6'b000110;
12'd534 : mem_out_dec = 6'b000111;
12'd535 : mem_out_dec = 6'b000111;
12'd536 : mem_out_dec = 6'b000111;
12'd537 : mem_out_dec = 6'b001000;
12'd538 : mem_out_dec = 6'b001001;
12'd539 : mem_out_dec = 6'b001010;
12'd540 : mem_out_dec = 6'b001011;
12'd541 : mem_out_dec = 6'b001011;
12'd542 : mem_out_dec = 6'b001100;
12'd543 : mem_out_dec = 6'b001101;
12'd544 : mem_out_dec = 6'b001101;
12'd545 : mem_out_dec = 6'b001101;
12'd546 : mem_out_dec = 6'b001110;
12'd547 : mem_out_dec = 6'b001110;
12'd548 : mem_out_dec = 6'b001110;
12'd549 : mem_out_dec = 6'b001111;
12'd550 : mem_out_dec = 6'b010000;
12'd551 : mem_out_dec = 6'b010000;
12'd552 : mem_out_dec = 6'b010001;
12'd553 : mem_out_dec = 6'b010001;
12'd554 : mem_out_dec = 6'b010010;
12'd555 : mem_out_dec = 6'b010010;
12'd556 : mem_out_dec = 6'b010011;
12'd557 : mem_out_dec = 6'b010100;
12'd558 : mem_out_dec = 6'b010100;
12'd559 : mem_out_dec = 6'b010100;
12'd560 : mem_out_dec = 6'b010100;
12'd561 : mem_out_dec = 6'b010100;
12'd562 : mem_out_dec = 6'b010100;
12'd563 : mem_out_dec = 6'b010101;
12'd564 : mem_out_dec = 6'b010101;
12'd565 : mem_out_dec = 6'b010110;
12'd566 : mem_out_dec = 6'b010111;
12'd567 : mem_out_dec = 6'b010111;
12'd568 : mem_out_dec = 6'b010111;
12'd569 : mem_out_dec = 6'b011000;
12'd570 : mem_out_dec = 6'b011001;
12'd571 : mem_out_dec = 6'b011010;
12'd572 : mem_out_dec = 6'b011010;
12'd573 : mem_out_dec = 6'b011011;
12'd574 : mem_out_dec = 6'b011100;
12'd575 : mem_out_dec = 6'b011101;
12'd576 : mem_out_dec = 6'b111111;
12'd577 : mem_out_dec = 6'b111111;
12'd578 : mem_out_dec = 6'b111111;
12'd579 : mem_out_dec = 6'b111111;
12'd580 : mem_out_dec = 6'b111111;
12'd581 : mem_out_dec = 6'b111111;
12'd582 : mem_out_dec = 6'b111111;
12'd583 : mem_out_dec = 6'b111111;
12'd584 : mem_out_dec = 6'b111111;
12'd585 : mem_out_dec = 6'b111111;
12'd586 : mem_out_dec = 6'b111111;
12'd587 : mem_out_dec = 6'b111111;
12'd588 : mem_out_dec = 6'b111111;
12'd589 : mem_out_dec = 6'b111111;
12'd590 : mem_out_dec = 6'b111111;
12'd591 : mem_out_dec = 6'b000100;
12'd592 : mem_out_dec = 6'b000011;
12'd593 : mem_out_dec = 6'b000011;
12'd594 : mem_out_dec = 6'b000100;
12'd595 : mem_out_dec = 6'b000101;
12'd596 : mem_out_dec = 6'b000101;
12'd597 : mem_out_dec = 6'b000110;
12'd598 : mem_out_dec = 6'b000110;
12'd599 : mem_out_dec = 6'b000111;
12'd600 : mem_out_dec = 6'b000111;
12'd601 : mem_out_dec = 6'b001000;
12'd602 : mem_out_dec = 6'b001001;
12'd603 : mem_out_dec = 6'b001010;
12'd604 : mem_out_dec = 6'b001010;
12'd605 : mem_out_dec = 6'b001011;
12'd606 : mem_out_dec = 6'b001100;
12'd607 : mem_out_dec = 6'b001101;
12'd608 : mem_out_dec = 6'b001101;
12'd609 : mem_out_dec = 6'b001101;
12'd610 : mem_out_dec = 6'b001110;
12'd611 : mem_out_dec = 6'b001110;
12'd612 : mem_out_dec = 6'b001110;
12'd613 : mem_out_dec = 6'b001111;
12'd614 : mem_out_dec = 6'b010000;
12'd615 : mem_out_dec = 6'b010000;
12'd616 : mem_out_dec = 6'b010000;
12'd617 : mem_out_dec = 6'b010001;
12'd618 : mem_out_dec = 6'b010001;
12'd619 : mem_out_dec = 6'b010010;
12'd620 : mem_out_dec = 6'b010010;
12'd621 : mem_out_dec = 6'b010011;
12'd622 : mem_out_dec = 6'b010011;
12'd623 : mem_out_dec = 6'b010100;
12'd624 : mem_out_dec = 6'b010011;
12'd625 : mem_out_dec = 6'b010011;
12'd626 : mem_out_dec = 6'b010100;
12'd627 : mem_out_dec = 6'b010100;
12'd628 : mem_out_dec = 6'b010101;
12'd629 : mem_out_dec = 6'b010110;
12'd630 : mem_out_dec = 6'b010110;
12'd631 : mem_out_dec = 6'b010111;
12'd632 : mem_out_dec = 6'b010111;
12'd633 : mem_out_dec = 6'b011000;
12'd634 : mem_out_dec = 6'b011001;
12'd635 : mem_out_dec = 6'b011001;
12'd636 : mem_out_dec = 6'b011010;
12'd637 : mem_out_dec = 6'b011011;
12'd638 : mem_out_dec = 6'b011100;
12'd639 : mem_out_dec = 6'b011100;
12'd640 : mem_out_dec = 6'b111111;
12'd641 : mem_out_dec = 6'b111111;
12'd642 : mem_out_dec = 6'b111111;
12'd643 : mem_out_dec = 6'b111111;
12'd644 : mem_out_dec = 6'b111111;
12'd645 : mem_out_dec = 6'b111111;
12'd646 : mem_out_dec = 6'b111111;
12'd647 : mem_out_dec = 6'b111111;
12'd648 : mem_out_dec = 6'b111111;
12'd649 : mem_out_dec = 6'b111111;
12'd650 : mem_out_dec = 6'b111111;
12'd651 : mem_out_dec = 6'b111111;
12'd652 : mem_out_dec = 6'b111111;
12'd653 : mem_out_dec = 6'b111111;
12'd654 : mem_out_dec = 6'b111111;
12'd655 : mem_out_dec = 6'b111111;
12'd656 : mem_out_dec = 6'b000011;
12'd657 : mem_out_dec = 6'b000011;
12'd658 : mem_out_dec = 6'b000100;
12'd659 : mem_out_dec = 6'b000100;
12'd660 : mem_out_dec = 6'b000101;
12'd661 : mem_out_dec = 6'b000110;
12'd662 : mem_out_dec = 6'b000110;
12'd663 : mem_out_dec = 6'b000111;
12'd664 : mem_out_dec = 6'b000111;
12'd665 : mem_out_dec = 6'b001000;
12'd666 : mem_out_dec = 6'b001001;
12'd667 : mem_out_dec = 6'b001001;
12'd668 : mem_out_dec = 6'b001010;
12'd669 : mem_out_dec = 6'b001011;
12'd670 : mem_out_dec = 6'b001100;
12'd671 : mem_out_dec = 6'b001100;
12'd672 : mem_out_dec = 6'b001100;
12'd673 : mem_out_dec = 6'b001101;
12'd674 : mem_out_dec = 6'b001101;
12'd675 : mem_out_dec = 6'b001101;
12'd676 : mem_out_dec = 6'b001110;
12'd677 : mem_out_dec = 6'b001111;
12'd678 : mem_out_dec = 6'b001111;
12'd679 : mem_out_dec = 6'b010000;
12'd680 : mem_out_dec = 6'b010000;
12'd681 : mem_out_dec = 6'b010000;
12'd682 : mem_out_dec = 6'b010001;
12'd683 : mem_out_dec = 6'b010001;
12'd684 : mem_out_dec = 6'b010010;
12'd685 : mem_out_dec = 6'b010010;
12'd686 : mem_out_dec = 6'b010011;
12'd687 : mem_out_dec = 6'b010011;
12'd688 : mem_out_dec = 6'b010011;
12'd689 : mem_out_dec = 6'b010011;
12'd690 : mem_out_dec = 6'b010100;
12'd691 : mem_out_dec = 6'b010100;
12'd692 : mem_out_dec = 6'b010101;
12'd693 : mem_out_dec = 6'b010101;
12'd694 : mem_out_dec = 6'b010110;
12'd695 : mem_out_dec = 6'b010111;
12'd696 : mem_out_dec = 6'b010111;
12'd697 : mem_out_dec = 6'b011000;
12'd698 : mem_out_dec = 6'b011000;
12'd699 : mem_out_dec = 6'b011001;
12'd700 : mem_out_dec = 6'b011010;
12'd701 : mem_out_dec = 6'b011011;
12'd702 : mem_out_dec = 6'b011011;
12'd703 : mem_out_dec = 6'b011100;
12'd704 : mem_out_dec = 6'b111111;
12'd705 : mem_out_dec = 6'b111111;
12'd706 : mem_out_dec = 6'b111111;
12'd707 : mem_out_dec = 6'b111111;
12'd708 : mem_out_dec = 6'b111111;
12'd709 : mem_out_dec = 6'b111111;
12'd710 : mem_out_dec = 6'b111111;
12'd711 : mem_out_dec = 6'b111111;
12'd712 : mem_out_dec = 6'b111111;
12'd713 : mem_out_dec = 6'b111111;
12'd714 : mem_out_dec = 6'b111111;
12'd715 : mem_out_dec = 6'b111111;
12'd716 : mem_out_dec = 6'b111111;
12'd717 : mem_out_dec = 6'b111111;
12'd718 : mem_out_dec = 6'b111111;
12'd719 : mem_out_dec = 6'b111111;
12'd720 : mem_out_dec = 6'b111111;
12'd721 : mem_out_dec = 6'b000011;
12'd722 : mem_out_dec = 6'b000100;
12'd723 : mem_out_dec = 6'b000100;
12'd724 : mem_out_dec = 6'b000101;
12'd725 : mem_out_dec = 6'b000101;
12'd726 : mem_out_dec = 6'b000110;
12'd727 : mem_out_dec = 6'b000111;
12'd728 : mem_out_dec = 6'b000111;
12'd729 : mem_out_dec = 6'b000111;
12'd730 : mem_out_dec = 6'b001000;
12'd731 : mem_out_dec = 6'b001001;
12'd732 : mem_out_dec = 6'b001010;
12'd733 : mem_out_dec = 6'b001011;
12'd734 : mem_out_dec = 6'b001011;
12'd735 : mem_out_dec = 6'b001100;
12'd736 : mem_out_dec = 6'b001100;
12'd737 : mem_out_dec = 6'b001101;
12'd738 : mem_out_dec = 6'b001101;
12'd739 : mem_out_dec = 6'b001101;
12'd740 : mem_out_dec = 6'b001110;
12'd741 : mem_out_dec = 6'b001110;
12'd742 : mem_out_dec = 6'b001111;
12'd743 : mem_out_dec = 6'b010000;
12'd744 : mem_out_dec = 6'b001111;
12'd745 : mem_out_dec = 6'b010000;
12'd746 : mem_out_dec = 6'b010000;
12'd747 : mem_out_dec = 6'b010001;
12'd748 : mem_out_dec = 6'b010001;
12'd749 : mem_out_dec = 6'b010010;
12'd750 : mem_out_dec = 6'b010010;
12'd751 : mem_out_dec = 6'b010011;
12'd752 : mem_out_dec = 6'b010010;
12'd753 : mem_out_dec = 6'b010011;
12'd754 : mem_out_dec = 6'b010011;
12'd755 : mem_out_dec = 6'b010100;
12'd756 : mem_out_dec = 6'b010101;
12'd757 : mem_out_dec = 6'b010101;
12'd758 : mem_out_dec = 6'b010110;
12'd759 : mem_out_dec = 6'b010110;
12'd760 : mem_out_dec = 6'b010111;
12'd761 : mem_out_dec = 6'b010111;
12'd762 : mem_out_dec = 6'b011000;
12'd763 : mem_out_dec = 6'b011001;
12'd764 : mem_out_dec = 6'b011010;
12'd765 : mem_out_dec = 6'b011010;
12'd766 : mem_out_dec = 6'b011011;
12'd767 : mem_out_dec = 6'b011100;
12'd768 : mem_out_dec = 6'b111111;
12'd769 : mem_out_dec = 6'b111111;
12'd770 : mem_out_dec = 6'b111111;
12'd771 : mem_out_dec = 6'b111111;
12'd772 : mem_out_dec = 6'b111111;
12'd773 : mem_out_dec = 6'b111111;
12'd774 : mem_out_dec = 6'b111111;
12'd775 : mem_out_dec = 6'b111111;
12'd776 : mem_out_dec = 6'b111111;
12'd777 : mem_out_dec = 6'b111111;
12'd778 : mem_out_dec = 6'b111111;
12'd779 : mem_out_dec = 6'b111111;
12'd780 : mem_out_dec = 6'b111111;
12'd781 : mem_out_dec = 6'b111111;
12'd782 : mem_out_dec = 6'b111111;
12'd783 : mem_out_dec = 6'b111111;
12'd784 : mem_out_dec = 6'b111111;
12'd785 : mem_out_dec = 6'b111111;
12'd786 : mem_out_dec = 6'b000011;
12'd787 : mem_out_dec = 6'b000100;
12'd788 : mem_out_dec = 6'b000101;
12'd789 : mem_out_dec = 6'b000101;
12'd790 : mem_out_dec = 6'b000110;
12'd791 : mem_out_dec = 6'b000110;
12'd792 : mem_out_dec = 6'b000110;
12'd793 : mem_out_dec = 6'b000111;
12'd794 : mem_out_dec = 6'b001000;
12'd795 : mem_out_dec = 6'b001001;
12'd796 : mem_out_dec = 6'b001010;
12'd797 : mem_out_dec = 6'b001010;
12'd798 : mem_out_dec = 6'b001011;
12'd799 : mem_out_dec = 6'b001100;
12'd800 : mem_out_dec = 6'b001100;
12'd801 : mem_out_dec = 6'b001100;
12'd802 : mem_out_dec = 6'b001101;
12'd803 : mem_out_dec = 6'b001101;
12'd804 : mem_out_dec = 6'b001110;
12'd805 : mem_out_dec = 6'b001110;
12'd806 : mem_out_dec = 6'b001111;
12'd807 : mem_out_dec = 6'b010000;
12'd808 : mem_out_dec = 6'b001111;
12'd809 : mem_out_dec = 6'b001111;
12'd810 : mem_out_dec = 6'b010000;
12'd811 : mem_out_dec = 6'b010000;
12'd812 : mem_out_dec = 6'b010001;
12'd813 : mem_out_dec = 6'b010001;
12'd814 : mem_out_dec = 6'b010010;
12'd815 : mem_out_dec = 6'b010010;
12'd816 : mem_out_dec = 6'b010010;
12'd817 : mem_out_dec = 6'b010011;
12'd818 : mem_out_dec = 6'b010011;
12'd819 : mem_out_dec = 6'b010100;
12'd820 : mem_out_dec = 6'b010100;
12'd821 : mem_out_dec = 6'b010101;
12'd822 : mem_out_dec = 6'b010110;
12'd823 : mem_out_dec = 6'b010110;
12'd824 : mem_out_dec = 6'b010110;
12'd825 : mem_out_dec = 6'b010111;
12'd826 : mem_out_dec = 6'b011000;
12'd827 : mem_out_dec = 6'b011001;
12'd828 : mem_out_dec = 6'b011001;
12'd829 : mem_out_dec = 6'b011010;
12'd830 : mem_out_dec = 6'b011011;
12'd831 : mem_out_dec = 6'b011100;
12'd832 : mem_out_dec = 6'b111111;
12'd833 : mem_out_dec = 6'b111111;
12'd834 : mem_out_dec = 6'b111111;
12'd835 : mem_out_dec = 6'b111111;
12'd836 : mem_out_dec = 6'b111111;
12'd837 : mem_out_dec = 6'b111111;
12'd838 : mem_out_dec = 6'b111111;
12'd839 : mem_out_dec = 6'b111111;
12'd840 : mem_out_dec = 6'b111111;
12'd841 : mem_out_dec = 6'b111111;
12'd842 : mem_out_dec = 6'b111111;
12'd843 : mem_out_dec = 6'b111111;
12'd844 : mem_out_dec = 6'b111111;
12'd845 : mem_out_dec = 6'b111111;
12'd846 : mem_out_dec = 6'b111111;
12'd847 : mem_out_dec = 6'b111111;
12'd848 : mem_out_dec = 6'b111111;
12'd849 : mem_out_dec = 6'b111111;
12'd850 : mem_out_dec = 6'b111111;
12'd851 : mem_out_dec = 6'b000100;
12'd852 : mem_out_dec = 6'b000100;
12'd853 : mem_out_dec = 6'b000101;
12'd854 : mem_out_dec = 6'b000101;
12'd855 : mem_out_dec = 6'b000110;
12'd856 : mem_out_dec = 6'b000110;
12'd857 : mem_out_dec = 6'b000111;
12'd858 : mem_out_dec = 6'b001000;
12'd859 : mem_out_dec = 6'b001001;
12'd860 : mem_out_dec = 6'b001001;
12'd861 : mem_out_dec = 6'b001010;
12'd862 : mem_out_dec = 6'b001011;
12'd863 : mem_out_dec = 6'b001100;
12'd864 : mem_out_dec = 6'b001100;
12'd865 : mem_out_dec = 6'b001100;
12'd866 : mem_out_dec = 6'b001100;
12'd867 : mem_out_dec = 6'b001101;
12'd868 : mem_out_dec = 6'b001101;
12'd869 : mem_out_dec = 6'b001110;
12'd870 : mem_out_dec = 6'b001111;
12'd871 : mem_out_dec = 6'b001111;
12'd872 : mem_out_dec = 6'b001110;
12'd873 : mem_out_dec = 6'b001111;
12'd874 : mem_out_dec = 6'b001111;
12'd875 : mem_out_dec = 6'b010000;
12'd876 : mem_out_dec = 6'b010000;
12'd877 : mem_out_dec = 6'b010001;
12'd878 : mem_out_dec = 6'b010001;
12'd879 : mem_out_dec = 6'b010010;
12'd880 : mem_out_dec = 6'b010010;
12'd881 : mem_out_dec = 6'b010010;
12'd882 : mem_out_dec = 6'b010011;
12'd883 : mem_out_dec = 6'b010100;
12'd884 : mem_out_dec = 6'b010100;
12'd885 : mem_out_dec = 6'b010101;
12'd886 : mem_out_dec = 6'b010101;
12'd887 : mem_out_dec = 6'b010110;
12'd888 : mem_out_dec = 6'b010110;
12'd889 : mem_out_dec = 6'b010111;
12'd890 : mem_out_dec = 6'b011000;
12'd891 : mem_out_dec = 6'b011000;
12'd892 : mem_out_dec = 6'b011001;
12'd893 : mem_out_dec = 6'b011010;
12'd894 : mem_out_dec = 6'b011011;
12'd895 : mem_out_dec = 6'b011011;
12'd896 : mem_out_dec = 6'b111111;
12'd897 : mem_out_dec = 6'b111111;
12'd898 : mem_out_dec = 6'b111111;
12'd899 : mem_out_dec = 6'b111111;
12'd900 : mem_out_dec = 6'b111111;
12'd901 : mem_out_dec = 6'b111111;
12'd902 : mem_out_dec = 6'b111111;
12'd903 : mem_out_dec = 6'b111111;
12'd904 : mem_out_dec = 6'b111111;
12'd905 : mem_out_dec = 6'b111111;
12'd906 : mem_out_dec = 6'b111111;
12'd907 : mem_out_dec = 6'b111111;
12'd908 : mem_out_dec = 6'b111111;
12'd909 : mem_out_dec = 6'b111111;
12'd910 : mem_out_dec = 6'b111111;
12'd911 : mem_out_dec = 6'b111111;
12'd912 : mem_out_dec = 6'b111111;
12'd913 : mem_out_dec = 6'b111111;
12'd914 : mem_out_dec = 6'b111111;
12'd915 : mem_out_dec = 6'b111111;
12'd916 : mem_out_dec = 6'b000100;
12'd917 : mem_out_dec = 6'b000101;
12'd918 : mem_out_dec = 6'b000101;
12'd919 : mem_out_dec = 6'b000110;
12'd920 : mem_out_dec = 6'b000110;
12'd921 : mem_out_dec = 6'b000111;
12'd922 : mem_out_dec = 6'b001000;
12'd923 : mem_out_dec = 6'b001000;
12'd924 : mem_out_dec = 6'b001001;
12'd925 : mem_out_dec = 6'b001010;
12'd926 : mem_out_dec = 6'b001011;
12'd927 : mem_out_dec = 6'b001011;
12'd928 : mem_out_dec = 6'b001011;
12'd929 : mem_out_dec = 6'b001100;
12'd930 : mem_out_dec = 6'b001100;
12'd931 : mem_out_dec = 6'b001101;
12'd932 : mem_out_dec = 6'b001101;
12'd933 : mem_out_dec = 6'b001110;
12'd934 : mem_out_dec = 6'b001110;
12'd935 : mem_out_dec = 6'b001111;
12'd936 : mem_out_dec = 6'b001110;
12'd937 : mem_out_dec = 6'b001110;
12'd938 : mem_out_dec = 6'b001111;
12'd939 : mem_out_dec = 6'b001111;
12'd940 : mem_out_dec = 6'b010000;
12'd941 : mem_out_dec = 6'b010000;
12'd942 : mem_out_dec = 6'b010001;
12'd943 : mem_out_dec = 6'b010001;
12'd944 : mem_out_dec = 6'b010010;
12'd945 : mem_out_dec = 6'b010010;
12'd946 : mem_out_dec = 6'b010011;
12'd947 : mem_out_dec = 6'b010011;
12'd948 : mem_out_dec = 6'b010100;
12'd949 : mem_out_dec = 6'b010100;
12'd950 : mem_out_dec = 6'b010101;
12'd951 : mem_out_dec = 6'b010110;
12'd952 : mem_out_dec = 6'b010110;
12'd953 : mem_out_dec = 6'b010111;
12'd954 : mem_out_dec = 6'b010111;
12'd955 : mem_out_dec = 6'b011000;
12'd956 : mem_out_dec = 6'b011001;
12'd957 : mem_out_dec = 6'b011010;
12'd958 : mem_out_dec = 6'b011010;
12'd959 : mem_out_dec = 6'b011011;
12'd960 : mem_out_dec = 6'b111111;
12'd961 : mem_out_dec = 6'b111111;
12'd962 : mem_out_dec = 6'b111111;
12'd963 : mem_out_dec = 6'b111111;
12'd964 : mem_out_dec = 6'b111111;
12'd965 : mem_out_dec = 6'b111111;
12'd966 : mem_out_dec = 6'b111111;
12'd967 : mem_out_dec = 6'b111111;
12'd968 : mem_out_dec = 6'b111111;
12'd969 : mem_out_dec = 6'b111111;
12'd970 : mem_out_dec = 6'b111111;
12'd971 : mem_out_dec = 6'b111111;
12'd972 : mem_out_dec = 6'b111111;
12'd973 : mem_out_dec = 6'b111111;
12'd974 : mem_out_dec = 6'b111111;
12'd975 : mem_out_dec = 6'b111111;
12'd976 : mem_out_dec = 6'b111111;
12'd977 : mem_out_dec = 6'b111111;
12'd978 : mem_out_dec = 6'b111111;
12'd979 : mem_out_dec = 6'b111111;
12'd980 : mem_out_dec = 6'b111111;
12'd981 : mem_out_dec = 6'b000100;
12'd982 : mem_out_dec = 6'b000101;
12'd983 : mem_out_dec = 6'b000110;
12'd984 : mem_out_dec = 6'b000110;
12'd985 : mem_out_dec = 6'b000111;
12'd986 : mem_out_dec = 6'b000111;
12'd987 : mem_out_dec = 6'b001000;
12'd988 : mem_out_dec = 6'b001001;
12'd989 : mem_out_dec = 6'b001010;
12'd990 : mem_out_dec = 6'b001010;
12'd991 : mem_out_dec = 6'b001011;
12'd992 : mem_out_dec = 6'b001011;
12'd993 : mem_out_dec = 6'b001011;
12'd994 : mem_out_dec = 6'b001100;
12'd995 : mem_out_dec = 6'b001100;
12'd996 : mem_out_dec = 6'b001101;
12'd997 : mem_out_dec = 6'b001110;
12'd998 : mem_out_dec = 6'b001110;
12'd999 : mem_out_dec = 6'b001110;
12'd1000 : mem_out_dec = 6'b001101;
12'd1001 : mem_out_dec = 6'b001110;
12'd1002 : mem_out_dec = 6'b001110;
12'd1003 : mem_out_dec = 6'b001111;
12'd1004 : mem_out_dec = 6'b001111;
12'd1005 : mem_out_dec = 6'b010000;
12'd1006 : mem_out_dec = 6'b010000;
12'd1007 : mem_out_dec = 6'b010001;
12'd1008 : mem_out_dec = 6'b010001;
12'd1009 : mem_out_dec = 6'b010010;
12'd1010 : mem_out_dec = 6'b010011;
12'd1011 : mem_out_dec = 6'b010011;
12'd1012 : mem_out_dec = 6'b010100;
12'd1013 : mem_out_dec = 6'b010100;
12'd1014 : mem_out_dec = 6'b010101;
12'd1015 : mem_out_dec = 6'b010110;
12'd1016 : mem_out_dec = 6'b010110;
12'd1017 : mem_out_dec = 6'b010110;
12'd1018 : mem_out_dec = 6'b010111;
12'd1019 : mem_out_dec = 6'b011000;
12'd1020 : mem_out_dec = 6'b011001;
12'd1021 : mem_out_dec = 6'b011001;
12'd1022 : mem_out_dec = 6'b011010;
12'd1023 : mem_out_dec = 6'b011011;
12'd1024 : mem_out_dec = 6'b111111;
12'd1025 : mem_out_dec = 6'b111111;
12'd1026 : mem_out_dec = 6'b111111;
12'd1027 : mem_out_dec = 6'b111111;
12'd1028 : mem_out_dec = 6'b111111;
12'd1029 : mem_out_dec = 6'b111111;
12'd1030 : mem_out_dec = 6'b111111;
12'd1031 : mem_out_dec = 6'b111111;
12'd1032 : mem_out_dec = 6'b111111;
12'd1033 : mem_out_dec = 6'b111111;
12'd1034 : mem_out_dec = 6'b111111;
12'd1035 : mem_out_dec = 6'b111111;
12'd1036 : mem_out_dec = 6'b111111;
12'd1037 : mem_out_dec = 6'b111111;
12'd1038 : mem_out_dec = 6'b111111;
12'd1039 : mem_out_dec = 6'b111111;
12'd1040 : mem_out_dec = 6'b111111;
12'd1041 : mem_out_dec = 6'b111111;
12'd1042 : mem_out_dec = 6'b111111;
12'd1043 : mem_out_dec = 6'b111111;
12'd1044 : mem_out_dec = 6'b111111;
12'd1045 : mem_out_dec = 6'b111111;
12'd1046 : mem_out_dec = 6'b000100;
12'd1047 : mem_out_dec = 6'b000101;
12'd1048 : mem_out_dec = 6'b000101;
12'd1049 : mem_out_dec = 6'b000110;
12'd1050 : mem_out_dec = 6'b000110;
12'd1051 : mem_out_dec = 6'b000111;
12'd1052 : mem_out_dec = 6'b001000;
12'd1053 : mem_out_dec = 6'b001001;
12'd1054 : mem_out_dec = 6'b001001;
12'd1055 : mem_out_dec = 6'b001010;
12'd1056 : mem_out_dec = 6'b001010;
12'd1057 : mem_out_dec = 6'b001011;
12'd1058 : mem_out_dec = 6'b001011;
12'd1059 : mem_out_dec = 6'b001100;
12'd1060 : mem_out_dec = 6'b001100;
12'd1061 : mem_out_dec = 6'b001100;
12'd1062 : mem_out_dec = 6'b001100;
12'd1063 : mem_out_dec = 6'b001100;
12'd1064 : mem_out_dec = 6'b001100;
12'd1065 : mem_out_dec = 6'b001100;
12'd1066 : mem_out_dec = 6'b001101;
12'd1067 : mem_out_dec = 6'b001101;
12'd1068 : mem_out_dec = 6'b001110;
12'd1069 : mem_out_dec = 6'b001111;
12'd1070 : mem_out_dec = 6'b010000;
12'd1071 : mem_out_dec = 6'b010000;
12'd1072 : mem_out_dec = 6'b010001;
12'd1073 : mem_out_dec = 6'b010001;
12'd1074 : mem_out_dec = 6'b010010;
12'd1075 : mem_out_dec = 6'b010010;
12'd1076 : mem_out_dec = 6'b010011;
12'd1077 : mem_out_dec = 6'b010011;
12'd1078 : mem_out_dec = 6'b010100;
12'd1079 : mem_out_dec = 6'b010101;
12'd1080 : mem_out_dec = 6'b010101;
12'd1081 : mem_out_dec = 6'b010110;
12'd1082 : mem_out_dec = 6'b010110;
12'd1083 : mem_out_dec = 6'b010111;
12'd1084 : mem_out_dec = 6'b011000;
12'd1085 : mem_out_dec = 6'b011000;
12'd1086 : mem_out_dec = 6'b011001;
12'd1087 : mem_out_dec = 6'b011010;
12'd1088 : mem_out_dec = 6'b111111;
12'd1089 : mem_out_dec = 6'b111111;
12'd1090 : mem_out_dec = 6'b111111;
12'd1091 : mem_out_dec = 6'b111111;
12'd1092 : mem_out_dec = 6'b111111;
12'd1093 : mem_out_dec = 6'b111111;
12'd1094 : mem_out_dec = 6'b111111;
12'd1095 : mem_out_dec = 6'b111111;
12'd1096 : mem_out_dec = 6'b111111;
12'd1097 : mem_out_dec = 6'b111111;
12'd1098 : mem_out_dec = 6'b111111;
12'd1099 : mem_out_dec = 6'b111111;
12'd1100 : mem_out_dec = 6'b111111;
12'd1101 : mem_out_dec = 6'b111111;
12'd1102 : mem_out_dec = 6'b111111;
12'd1103 : mem_out_dec = 6'b111111;
12'd1104 : mem_out_dec = 6'b111111;
12'd1105 : mem_out_dec = 6'b111111;
12'd1106 : mem_out_dec = 6'b111111;
12'd1107 : mem_out_dec = 6'b111111;
12'd1108 : mem_out_dec = 6'b111111;
12'd1109 : mem_out_dec = 6'b111111;
12'd1110 : mem_out_dec = 6'b111111;
12'd1111 : mem_out_dec = 6'b000100;
12'd1112 : mem_out_dec = 6'b000100;
12'd1113 : mem_out_dec = 6'b000101;
12'd1114 : mem_out_dec = 6'b000110;
12'd1115 : mem_out_dec = 6'b000111;
12'd1116 : mem_out_dec = 6'b000111;
12'd1117 : mem_out_dec = 6'b001000;
12'd1118 : mem_out_dec = 6'b001001;
12'd1119 : mem_out_dec = 6'b001001;
12'd1120 : mem_out_dec = 6'b001010;
12'd1121 : mem_out_dec = 6'b001010;
12'd1122 : mem_out_dec = 6'b001011;
12'd1123 : mem_out_dec = 6'b001011;
12'd1124 : mem_out_dec = 6'b001011;
12'd1125 : mem_out_dec = 6'b001011;
12'd1126 : mem_out_dec = 6'b001011;
12'd1127 : mem_out_dec = 6'b001011;
12'd1128 : mem_out_dec = 6'b001011;
12'd1129 : mem_out_dec = 6'b001011;
12'd1130 : mem_out_dec = 6'b001100;
12'd1131 : mem_out_dec = 6'b001101;
12'd1132 : mem_out_dec = 6'b001110;
12'd1133 : mem_out_dec = 6'b001110;
12'd1134 : mem_out_dec = 6'b001111;
12'd1135 : mem_out_dec = 6'b010000;
12'd1136 : mem_out_dec = 6'b010000;
12'd1137 : mem_out_dec = 6'b010001;
12'd1138 : mem_out_dec = 6'b010001;
12'd1139 : mem_out_dec = 6'b010010;
12'd1140 : mem_out_dec = 6'b010010;
12'd1141 : mem_out_dec = 6'b010011;
12'd1142 : mem_out_dec = 6'b010100;
12'd1143 : mem_out_dec = 6'b010100;
12'd1144 : mem_out_dec = 6'b010100;
12'd1145 : mem_out_dec = 6'b010101;
12'd1146 : mem_out_dec = 6'b010110;
12'd1147 : mem_out_dec = 6'b010110;
12'd1148 : mem_out_dec = 6'b010111;
12'd1149 : mem_out_dec = 6'b011000;
12'd1150 : mem_out_dec = 6'b011000;
12'd1151 : mem_out_dec = 6'b011001;
12'd1152 : mem_out_dec = 6'b111111;
12'd1153 : mem_out_dec = 6'b111111;
12'd1154 : mem_out_dec = 6'b111111;
12'd1155 : mem_out_dec = 6'b111111;
12'd1156 : mem_out_dec = 6'b111111;
12'd1157 : mem_out_dec = 6'b111111;
12'd1158 : mem_out_dec = 6'b111111;
12'd1159 : mem_out_dec = 6'b111111;
12'd1160 : mem_out_dec = 6'b111111;
12'd1161 : mem_out_dec = 6'b111111;
12'd1162 : mem_out_dec = 6'b111111;
12'd1163 : mem_out_dec = 6'b111111;
12'd1164 : mem_out_dec = 6'b111111;
12'd1165 : mem_out_dec = 6'b111111;
12'd1166 : mem_out_dec = 6'b111111;
12'd1167 : mem_out_dec = 6'b111111;
12'd1168 : mem_out_dec = 6'b111111;
12'd1169 : mem_out_dec = 6'b111111;
12'd1170 : mem_out_dec = 6'b111111;
12'd1171 : mem_out_dec = 6'b111111;
12'd1172 : mem_out_dec = 6'b111111;
12'd1173 : mem_out_dec = 6'b111111;
12'd1174 : mem_out_dec = 6'b111111;
12'd1175 : mem_out_dec = 6'b111111;
12'd1176 : mem_out_dec = 6'b000100;
12'd1177 : mem_out_dec = 6'b000101;
12'd1178 : mem_out_dec = 6'b000101;
12'd1179 : mem_out_dec = 6'b000110;
12'd1180 : mem_out_dec = 6'b000111;
12'd1181 : mem_out_dec = 6'b000111;
12'd1182 : mem_out_dec = 6'b001000;
12'd1183 : mem_out_dec = 6'b001001;
12'd1184 : mem_out_dec = 6'b001001;
12'd1185 : mem_out_dec = 6'b001010;
12'd1186 : mem_out_dec = 6'b001010;
12'd1187 : mem_out_dec = 6'b001010;
12'd1188 : mem_out_dec = 6'b001010;
12'd1189 : mem_out_dec = 6'b001010;
12'd1190 : mem_out_dec = 6'b001010;
12'd1191 : mem_out_dec = 6'b001010;
12'd1192 : mem_out_dec = 6'b001010;
12'd1193 : mem_out_dec = 6'b001011;
12'd1194 : mem_out_dec = 6'b001100;
12'd1195 : mem_out_dec = 6'b001100;
12'd1196 : mem_out_dec = 6'b001101;
12'd1197 : mem_out_dec = 6'b001110;
12'd1198 : mem_out_dec = 6'b001111;
12'd1199 : mem_out_dec = 6'b010000;
12'd1200 : mem_out_dec = 6'b010000;
12'd1201 : mem_out_dec = 6'b010000;
12'd1202 : mem_out_dec = 6'b010001;
12'd1203 : mem_out_dec = 6'b010001;
12'd1204 : mem_out_dec = 6'b010010;
12'd1205 : mem_out_dec = 6'b010011;
12'd1206 : mem_out_dec = 6'b010011;
12'd1207 : mem_out_dec = 6'b010100;
12'd1208 : mem_out_dec = 6'b010100;
12'd1209 : mem_out_dec = 6'b010100;
12'd1210 : mem_out_dec = 6'b010101;
12'd1211 : mem_out_dec = 6'b010110;
12'd1212 : mem_out_dec = 6'b010110;
12'd1213 : mem_out_dec = 6'b010111;
12'd1214 : mem_out_dec = 6'b011000;
12'd1215 : mem_out_dec = 6'b011001;
12'd1216 : mem_out_dec = 6'b111111;
12'd1217 : mem_out_dec = 6'b111111;
12'd1218 : mem_out_dec = 6'b111111;
12'd1219 : mem_out_dec = 6'b111111;
12'd1220 : mem_out_dec = 6'b111111;
12'd1221 : mem_out_dec = 6'b111111;
12'd1222 : mem_out_dec = 6'b111111;
12'd1223 : mem_out_dec = 6'b111111;
12'd1224 : mem_out_dec = 6'b111111;
12'd1225 : mem_out_dec = 6'b111111;
12'd1226 : mem_out_dec = 6'b111111;
12'd1227 : mem_out_dec = 6'b111111;
12'd1228 : mem_out_dec = 6'b111111;
12'd1229 : mem_out_dec = 6'b111111;
12'd1230 : mem_out_dec = 6'b111111;
12'd1231 : mem_out_dec = 6'b111111;
12'd1232 : mem_out_dec = 6'b111111;
12'd1233 : mem_out_dec = 6'b111111;
12'd1234 : mem_out_dec = 6'b111111;
12'd1235 : mem_out_dec = 6'b111111;
12'd1236 : mem_out_dec = 6'b111111;
12'd1237 : mem_out_dec = 6'b111111;
12'd1238 : mem_out_dec = 6'b111111;
12'd1239 : mem_out_dec = 6'b111111;
12'd1240 : mem_out_dec = 6'b111111;
12'd1241 : mem_out_dec = 6'b000100;
12'd1242 : mem_out_dec = 6'b000100;
12'd1243 : mem_out_dec = 6'b000101;
12'd1244 : mem_out_dec = 6'b000110;
12'd1245 : mem_out_dec = 6'b000111;
12'd1246 : mem_out_dec = 6'b001000;
12'd1247 : mem_out_dec = 6'b001000;
12'd1248 : mem_out_dec = 6'b001001;
12'd1249 : mem_out_dec = 6'b001001;
12'd1250 : mem_out_dec = 6'b001001;
12'd1251 : mem_out_dec = 6'b001001;
12'd1252 : mem_out_dec = 6'b001001;
12'd1253 : mem_out_dec = 6'b001001;
12'd1254 : mem_out_dec = 6'b001001;
12'd1255 : mem_out_dec = 6'b001001;
12'd1256 : mem_out_dec = 6'b001010;
12'd1257 : mem_out_dec = 6'b001010;
12'd1258 : mem_out_dec = 6'b001011;
12'd1259 : mem_out_dec = 6'b001100;
12'd1260 : mem_out_dec = 6'b001101;
12'd1261 : mem_out_dec = 6'b001110;
12'd1262 : mem_out_dec = 6'b001110;
12'd1263 : mem_out_dec = 6'b001111;
12'd1264 : mem_out_dec = 6'b001111;
12'd1265 : mem_out_dec = 6'b010000;
12'd1266 : mem_out_dec = 6'b010000;
12'd1267 : mem_out_dec = 6'b010001;
12'd1268 : mem_out_dec = 6'b010001;
12'd1269 : mem_out_dec = 6'b010010;
12'd1270 : mem_out_dec = 6'b010011;
12'd1271 : mem_out_dec = 6'b010011;
12'd1272 : mem_out_dec = 6'b010011;
12'd1273 : mem_out_dec = 6'b010100;
12'd1274 : mem_out_dec = 6'b010100;
12'd1275 : mem_out_dec = 6'b010101;
12'd1276 : mem_out_dec = 6'b010110;
12'd1277 : mem_out_dec = 6'b010111;
12'd1278 : mem_out_dec = 6'b011000;
12'd1279 : mem_out_dec = 6'b011000;
12'd1280 : mem_out_dec = 6'b111111;
12'd1281 : mem_out_dec = 6'b111111;
12'd1282 : mem_out_dec = 6'b111111;
12'd1283 : mem_out_dec = 6'b111111;
12'd1284 : mem_out_dec = 6'b111111;
12'd1285 : mem_out_dec = 6'b111111;
12'd1286 : mem_out_dec = 6'b111111;
12'd1287 : mem_out_dec = 6'b111111;
12'd1288 : mem_out_dec = 6'b111111;
12'd1289 : mem_out_dec = 6'b111111;
12'd1290 : mem_out_dec = 6'b111111;
12'd1291 : mem_out_dec = 6'b111111;
12'd1292 : mem_out_dec = 6'b111111;
12'd1293 : mem_out_dec = 6'b111111;
12'd1294 : mem_out_dec = 6'b111111;
12'd1295 : mem_out_dec = 6'b111111;
12'd1296 : mem_out_dec = 6'b111111;
12'd1297 : mem_out_dec = 6'b111111;
12'd1298 : mem_out_dec = 6'b111111;
12'd1299 : mem_out_dec = 6'b111111;
12'd1300 : mem_out_dec = 6'b111111;
12'd1301 : mem_out_dec = 6'b111111;
12'd1302 : mem_out_dec = 6'b111111;
12'd1303 : mem_out_dec = 6'b111111;
12'd1304 : mem_out_dec = 6'b111111;
12'd1305 : mem_out_dec = 6'b111111;
12'd1306 : mem_out_dec = 6'b000100;
12'd1307 : mem_out_dec = 6'b000101;
12'd1308 : mem_out_dec = 6'b000110;
12'd1309 : mem_out_dec = 6'b000110;
12'd1310 : mem_out_dec = 6'b000111;
12'd1311 : mem_out_dec = 6'b001000;
12'd1312 : mem_out_dec = 6'b001000;
12'd1313 : mem_out_dec = 6'b001000;
12'd1314 : mem_out_dec = 6'b001000;
12'd1315 : mem_out_dec = 6'b001000;
12'd1316 : mem_out_dec = 6'b001000;
12'd1317 : mem_out_dec = 6'b001000;
12'd1318 : mem_out_dec = 6'b001000;
12'd1319 : mem_out_dec = 6'b001001;
12'd1320 : mem_out_dec = 6'b001001;
12'd1321 : mem_out_dec = 6'b001010;
12'd1322 : mem_out_dec = 6'b001011;
12'd1323 : mem_out_dec = 6'b001100;
12'd1324 : mem_out_dec = 6'b001100;
12'd1325 : mem_out_dec = 6'b001101;
12'd1326 : mem_out_dec = 6'b001110;
12'd1327 : mem_out_dec = 6'b001111;
12'd1328 : mem_out_dec = 6'b001111;
12'd1329 : mem_out_dec = 6'b001111;
12'd1330 : mem_out_dec = 6'b010000;
12'd1331 : mem_out_dec = 6'b010000;
12'd1332 : mem_out_dec = 6'b010001;
12'd1333 : mem_out_dec = 6'b010001;
12'd1334 : mem_out_dec = 6'b010010;
12'd1335 : mem_out_dec = 6'b010011;
12'd1336 : mem_out_dec = 6'b010010;
12'd1337 : mem_out_dec = 6'b010011;
12'd1338 : mem_out_dec = 6'b010100;
12'd1339 : mem_out_dec = 6'b010101;
12'd1340 : mem_out_dec = 6'b010110;
12'd1341 : mem_out_dec = 6'b010110;
12'd1342 : mem_out_dec = 6'b010111;
12'd1343 : mem_out_dec = 6'b011000;
12'd1344 : mem_out_dec = 6'b111111;
12'd1345 : mem_out_dec = 6'b111111;
12'd1346 : mem_out_dec = 6'b111111;
12'd1347 : mem_out_dec = 6'b111111;
12'd1348 : mem_out_dec = 6'b111111;
12'd1349 : mem_out_dec = 6'b111111;
12'd1350 : mem_out_dec = 6'b111111;
12'd1351 : mem_out_dec = 6'b111111;
12'd1352 : mem_out_dec = 6'b111111;
12'd1353 : mem_out_dec = 6'b111111;
12'd1354 : mem_out_dec = 6'b111111;
12'd1355 : mem_out_dec = 6'b111111;
12'd1356 : mem_out_dec = 6'b111111;
12'd1357 : mem_out_dec = 6'b111111;
12'd1358 : mem_out_dec = 6'b111111;
12'd1359 : mem_out_dec = 6'b111111;
12'd1360 : mem_out_dec = 6'b111111;
12'd1361 : mem_out_dec = 6'b111111;
12'd1362 : mem_out_dec = 6'b111111;
12'd1363 : mem_out_dec = 6'b111111;
12'd1364 : mem_out_dec = 6'b111111;
12'd1365 : mem_out_dec = 6'b111111;
12'd1366 : mem_out_dec = 6'b111111;
12'd1367 : mem_out_dec = 6'b111111;
12'd1368 : mem_out_dec = 6'b111111;
12'd1369 : mem_out_dec = 6'b111111;
12'd1370 : mem_out_dec = 6'b111111;
12'd1371 : mem_out_dec = 6'b000101;
12'd1372 : mem_out_dec = 6'b000101;
12'd1373 : mem_out_dec = 6'b000110;
12'd1374 : mem_out_dec = 6'b000111;
12'd1375 : mem_out_dec = 6'b001000;
12'd1376 : mem_out_dec = 6'b000111;
12'd1377 : mem_out_dec = 6'b000111;
12'd1378 : mem_out_dec = 6'b000111;
12'd1379 : mem_out_dec = 6'b000111;
12'd1380 : mem_out_dec = 6'b000111;
12'd1381 : mem_out_dec = 6'b000111;
12'd1382 : mem_out_dec = 6'b001000;
12'd1383 : mem_out_dec = 6'b001001;
12'd1384 : mem_out_dec = 6'b001001;
12'd1385 : mem_out_dec = 6'b001010;
12'd1386 : mem_out_dec = 6'b001010;
12'd1387 : mem_out_dec = 6'b001011;
12'd1388 : mem_out_dec = 6'b001100;
12'd1389 : mem_out_dec = 6'b001101;
12'd1390 : mem_out_dec = 6'b001110;
12'd1391 : mem_out_dec = 6'b001110;
12'd1392 : mem_out_dec = 6'b001111;
12'd1393 : mem_out_dec = 6'b001111;
12'd1394 : mem_out_dec = 6'b010000;
12'd1395 : mem_out_dec = 6'b010000;
12'd1396 : mem_out_dec = 6'b010001;
12'd1397 : mem_out_dec = 6'b010001;
12'd1398 : mem_out_dec = 6'b010010;
12'd1399 : mem_out_dec = 6'b010010;
12'd1400 : mem_out_dec = 6'b010010;
12'd1401 : mem_out_dec = 6'b010011;
12'd1402 : mem_out_dec = 6'b010100;
12'd1403 : mem_out_dec = 6'b010100;
12'd1404 : mem_out_dec = 6'b010101;
12'd1405 : mem_out_dec = 6'b010110;
12'd1406 : mem_out_dec = 6'b010111;
12'd1407 : mem_out_dec = 6'b010111;
12'd1408 : mem_out_dec = 6'b111111;
12'd1409 : mem_out_dec = 6'b111111;
12'd1410 : mem_out_dec = 6'b111111;
12'd1411 : mem_out_dec = 6'b111111;
12'd1412 : mem_out_dec = 6'b111111;
12'd1413 : mem_out_dec = 6'b111111;
12'd1414 : mem_out_dec = 6'b111111;
12'd1415 : mem_out_dec = 6'b111111;
12'd1416 : mem_out_dec = 6'b111111;
12'd1417 : mem_out_dec = 6'b111111;
12'd1418 : mem_out_dec = 6'b111111;
12'd1419 : mem_out_dec = 6'b111111;
12'd1420 : mem_out_dec = 6'b111111;
12'd1421 : mem_out_dec = 6'b111111;
12'd1422 : mem_out_dec = 6'b111111;
12'd1423 : mem_out_dec = 6'b111111;
12'd1424 : mem_out_dec = 6'b111111;
12'd1425 : mem_out_dec = 6'b111111;
12'd1426 : mem_out_dec = 6'b111111;
12'd1427 : mem_out_dec = 6'b111111;
12'd1428 : mem_out_dec = 6'b111111;
12'd1429 : mem_out_dec = 6'b111111;
12'd1430 : mem_out_dec = 6'b111111;
12'd1431 : mem_out_dec = 6'b111111;
12'd1432 : mem_out_dec = 6'b111111;
12'd1433 : mem_out_dec = 6'b111111;
12'd1434 : mem_out_dec = 6'b111111;
12'd1435 : mem_out_dec = 6'b111111;
12'd1436 : mem_out_dec = 6'b000101;
12'd1437 : mem_out_dec = 6'b000110;
12'd1438 : mem_out_dec = 6'b000111;
12'd1439 : mem_out_dec = 6'b000111;
12'd1440 : mem_out_dec = 6'b000110;
12'd1441 : mem_out_dec = 6'b000110;
12'd1442 : mem_out_dec = 6'b000110;
12'd1443 : mem_out_dec = 6'b000110;
12'd1444 : mem_out_dec = 6'b000110;
12'd1445 : mem_out_dec = 6'b000111;
12'd1446 : mem_out_dec = 6'b000111;
12'd1447 : mem_out_dec = 6'b001000;
12'd1448 : mem_out_dec = 6'b001001;
12'd1449 : mem_out_dec = 6'b001001;
12'd1450 : mem_out_dec = 6'b001010;
12'd1451 : mem_out_dec = 6'b001011;
12'd1452 : mem_out_dec = 6'b001100;
12'd1453 : mem_out_dec = 6'b001100;
12'd1454 : mem_out_dec = 6'b001101;
12'd1455 : mem_out_dec = 6'b001110;
12'd1456 : mem_out_dec = 6'b001110;
12'd1457 : mem_out_dec = 6'b001111;
12'd1458 : mem_out_dec = 6'b001111;
12'd1459 : mem_out_dec = 6'b010000;
12'd1460 : mem_out_dec = 6'b010000;
12'd1461 : mem_out_dec = 6'b010001;
12'd1462 : mem_out_dec = 6'b010001;
12'd1463 : mem_out_dec = 6'b010010;
12'd1464 : mem_out_dec = 6'b010010;
12'd1465 : mem_out_dec = 6'b010011;
12'd1466 : mem_out_dec = 6'b010011;
12'd1467 : mem_out_dec = 6'b010100;
12'd1468 : mem_out_dec = 6'b010101;
12'd1469 : mem_out_dec = 6'b010110;
12'd1470 : mem_out_dec = 6'b010110;
12'd1471 : mem_out_dec = 6'b010111;
12'd1472 : mem_out_dec = 6'b111111;
12'd1473 : mem_out_dec = 6'b111111;
12'd1474 : mem_out_dec = 6'b111111;
12'd1475 : mem_out_dec = 6'b111111;
12'd1476 : mem_out_dec = 6'b111111;
12'd1477 : mem_out_dec = 6'b111111;
12'd1478 : mem_out_dec = 6'b111111;
12'd1479 : mem_out_dec = 6'b111111;
12'd1480 : mem_out_dec = 6'b111111;
12'd1481 : mem_out_dec = 6'b111111;
12'd1482 : mem_out_dec = 6'b111111;
12'd1483 : mem_out_dec = 6'b111111;
12'd1484 : mem_out_dec = 6'b111111;
12'd1485 : mem_out_dec = 6'b111111;
12'd1486 : mem_out_dec = 6'b111111;
12'd1487 : mem_out_dec = 6'b111111;
12'd1488 : mem_out_dec = 6'b111111;
12'd1489 : mem_out_dec = 6'b111111;
12'd1490 : mem_out_dec = 6'b111111;
12'd1491 : mem_out_dec = 6'b111111;
12'd1492 : mem_out_dec = 6'b111111;
12'd1493 : mem_out_dec = 6'b111111;
12'd1494 : mem_out_dec = 6'b111111;
12'd1495 : mem_out_dec = 6'b111111;
12'd1496 : mem_out_dec = 6'b111111;
12'd1497 : mem_out_dec = 6'b111111;
12'd1498 : mem_out_dec = 6'b111111;
12'd1499 : mem_out_dec = 6'b111111;
12'd1500 : mem_out_dec = 6'b111111;
12'd1501 : mem_out_dec = 6'b000101;
12'd1502 : mem_out_dec = 6'b000110;
12'd1503 : mem_out_dec = 6'b000110;
12'd1504 : mem_out_dec = 6'b000110;
12'd1505 : mem_out_dec = 6'b000110;
12'd1506 : mem_out_dec = 6'b000101;
12'd1507 : mem_out_dec = 6'b000101;
12'd1508 : mem_out_dec = 6'b000110;
12'd1509 : mem_out_dec = 6'b000111;
12'd1510 : mem_out_dec = 6'b000111;
12'd1511 : mem_out_dec = 6'b001000;
12'd1512 : mem_out_dec = 6'b001000;
12'd1513 : mem_out_dec = 6'b001001;
12'd1514 : mem_out_dec = 6'b001010;
12'd1515 : mem_out_dec = 6'b001011;
12'd1516 : mem_out_dec = 6'b001011;
12'd1517 : mem_out_dec = 6'b001100;
12'd1518 : mem_out_dec = 6'b001101;
12'd1519 : mem_out_dec = 6'b001110;
12'd1520 : mem_out_dec = 6'b001110;
12'd1521 : mem_out_dec = 6'b001110;
12'd1522 : mem_out_dec = 6'b001111;
12'd1523 : mem_out_dec = 6'b001111;
12'd1524 : mem_out_dec = 6'b010000;
12'd1525 : mem_out_dec = 6'b010000;
12'd1526 : mem_out_dec = 6'b010001;
12'd1527 : mem_out_dec = 6'b010001;
12'd1528 : mem_out_dec = 6'b010001;
12'd1529 : mem_out_dec = 6'b010010;
12'd1530 : mem_out_dec = 6'b010011;
12'd1531 : mem_out_dec = 6'b010100;
12'd1532 : mem_out_dec = 6'b010101;
12'd1533 : mem_out_dec = 6'b010101;
12'd1534 : mem_out_dec = 6'b010110;
12'd1535 : mem_out_dec = 6'b010110;
12'd1536 : mem_out_dec = 6'b111111;
12'd1537 : mem_out_dec = 6'b111111;
12'd1538 : mem_out_dec = 6'b111111;
12'd1539 : mem_out_dec = 6'b111111;
12'd1540 : mem_out_dec = 6'b111111;
12'd1541 : mem_out_dec = 6'b111111;
12'd1542 : mem_out_dec = 6'b111111;
12'd1543 : mem_out_dec = 6'b111111;
12'd1544 : mem_out_dec = 6'b111111;
12'd1545 : mem_out_dec = 6'b111111;
12'd1546 : mem_out_dec = 6'b111111;
12'd1547 : mem_out_dec = 6'b111111;
12'd1548 : mem_out_dec = 6'b111111;
12'd1549 : mem_out_dec = 6'b111111;
12'd1550 : mem_out_dec = 6'b111111;
12'd1551 : mem_out_dec = 6'b111111;
12'd1552 : mem_out_dec = 6'b111111;
12'd1553 : mem_out_dec = 6'b111111;
12'd1554 : mem_out_dec = 6'b111111;
12'd1555 : mem_out_dec = 6'b111111;
12'd1556 : mem_out_dec = 6'b111111;
12'd1557 : mem_out_dec = 6'b111111;
12'd1558 : mem_out_dec = 6'b111111;
12'd1559 : mem_out_dec = 6'b111111;
12'd1560 : mem_out_dec = 6'b111111;
12'd1561 : mem_out_dec = 6'b111111;
12'd1562 : mem_out_dec = 6'b111111;
12'd1563 : mem_out_dec = 6'b111111;
12'd1564 : mem_out_dec = 6'b111111;
12'd1565 : mem_out_dec = 6'b111111;
12'd1566 : mem_out_dec = 6'b000100;
12'd1567 : mem_out_dec = 6'b000100;
12'd1568 : mem_out_dec = 6'b000100;
12'd1569 : mem_out_dec = 6'b000100;
12'd1570 : mem_out_dec = 6'b000100;
12'd1571 : mem_out_dec = 6'b000101;
12'd1572 : mem_out_dec = 6'b000101;
12'd1573 : mem_out_dec = 6'b000110;
12'd1574 : mem_out_dec = 6'b000111;
12'd1575 : mem_out_dec = 6'b000111;
12'd1576 : mem_out_dec = 6'b000111;
12'd1577 : mem_out_dec = 6'b001000;
12'd1578 : mem_out_dec = 6'b001001;
12'd1579 : mem_out_dec = 6'b001010;
12'd1580 : mem_out_dec = 6'b001010;
12'd1581 : mem_out_dec = 6'b001011;
12'd1582 : mem_out_dec = 6'b001100;
12'd1583 : mem_out_dec = 6'b001101;
12'd1584 : mem_out_dec = 6'b001101;
12'd1585 : mem_out_dec = 6'b001101;
12'd1586 : mem_out_dec = 6'b001110;
12'd1587 : mem_out_dec = 6'b001110;
12'd1588 : mem_out_dec = 6'b001111;
12'd1589 : mem_out_dec = 6'b001111;
12'd1590 : mem_out_dec = 6'b010000;
12'd1591 : mem_out_dec = 6'b010001;
12'd1592 : mem_out_dec = 6'b010001;
12'd1593 : mem_out_dec = 6'b010001;
12'd1594 : mem_out_dec = 6'b010010;
12'd1595 : mem_out_dec = 6'b010010;
12'd1596 : mem_out_dec = 6'b010011;
12'd1597 : mem_out_dec = 6'b010011;
12'd1598 : mem_out_dec = 6'b010100;
12'd1599 : mem_out_dec = 6'b010100;
12'd1600 : mem_out_dec = 6'b111111;
12'd1601 : mem_out_dec = 6'b111111;
12'd1602 : mem_out_dec = 6'b111111;
12'd1603 : mem_out_dec = 6'b111111;
12'd1604 : mem_out_dec = 6'b111111;
12'd1605 : mem_out_dec = 6'b111111;
12'd1606 : mem_out_dec = 6'b111111;
12'd1607 : mem_out_dec = 6'b111111;
12'd1608 : mem_out_dec = 6'b111111;
12'd1609 : mem_out_dec = 6'b111111;
12'd1610 : mem_out_dec = 6'b111111;
12'd1611 : mem_out_dec = 6'b111111;
12'd1612 : mem_out_dec = 6'b111111;
12'd1613 : mem_out_dec = 6'b111111;
12'd1614 : mem_out_dec = 6'b111111;
12'd1615 : mem_out_dec = 6'b111111;
12'd1616 : mem_out_dec = 6'b111111;
12'd1617 : mem_out_dec = 6'b111111;
12'd1618 : mem_out_dec = 6'b111111;
12'd1619 : mem_out_dec = 6'b111111;
12'd1620 : mem_out_dec = 6'b111111;
12'd1621 : mem_out_dec = 6'b111111;
12'd1622 : mem_out_dec = 6'b111111;
12'd1623 : mem_out_dec = 6'b111111;
12'd1624 : mem_out_dec = 6'b111111;
12'd1625 : mem_out_dec = 6'b111111;
12'd1626 : mem_out_dec = 6'b111111;
12'd1627 : mem_out_dec = 6'b111111;
12'd1628 : mem_out_dec = 6'b111111;
12'd1629 : mem_out_dec = 6'b111111;
12'd1630 : mem_out_dec = 6'b111111;
12'd1631 : mem_out_dec = 6'b000100;
12'd1632 : mem_out_dec = 6'b000011;
12'd1633 : mem_out_dec = 6'b000011;
12'd1634 : mem_out_dec = 6'b000100;
12'd1635 : mem_out_dec = 6'b000100;
12'd1636 : mem_out_dec = 6'b000101;
12'd1637 : mem_out_dec = 6'b000110;
12'd1638 : mem_out_dec = 6'b000110;
12'd1639 : mem_out_dec = 6'b000111;
12'd1640 : mem_out_dec = 6'b000111;
12'd1641 : mem_out_dec = 6'b001000;
12'd1642 : mem_out_dec = 6'b001001;
12'd1643 : mem_out_dec = 6'b001001;
12'd1644 : mem_out_dec = 6'b001010;
12'd1645 : mem_out_dec = 6'b001011;
12'd1646 : mem_out_dec = 6'b001100;
12'd1647 : mem_out_dec = 6'b001101;
12'd1648 : mem_out_dec = 6'b001101;
12'd1649 : mem_out_dec = 6'b001101;
12'd1650 : mem_out_dec = 6'b001110;
12'd1651 : mem_out_dec = 6'b001110;
12'd1652 : mem_out_dec = 6'b001110;
12'd1653 : mem_out_dec = 6'b001111;
12'd1654 : mem_out_dec = 6'b010000;
12'd1655 : mem_out_dec = 6'b010000;
12'd1656 : mem_out_dec = 6'b010001;
12'd1657 : mem_out_dec = 6'b010001;
12'd1658 : mem_out_dec = 6'b010001;
12'd1659 : mem_out_dec = 6'b010010;
12'd1660 : mem_out_dec = 6'b010010;
12'd1661 : mem_out_dec = 6'b010011;
12'd1662 : mem_out_dec = 6'b010011;
12'd1663 : mem_out_dec = 6'b010100;
12'd1664 : mem_out_dec = 6'b111111;
12'd1665 : mem_out_dec = 6'b111111;
12'd1666 : mem_out_dec = 6'b111111;
12'd1667 : mem_out_dec = 6'b111111;
12'd1668 : mem_out_dec = 6'b111111;
12'd1669 : mem_out_dec = 6'b111111;
12'd1670 : mem_out_dec = 6'b111111;
12'd1671 : mem_out_dec = 6'b111111;
12'd1672 : mem_out_dec = 6'b111111;
12'd1673 : mem_out_dec = 6'b111111;
12'd1674 : mem_out_dec = 6'b111111;
12'd1675 : mem_out_dec = 6'b111111;
12'd1676 : mem_out_dec = 6'b111111;
12'd1677 : mem_out_dec = 6'b111111;
12'd1678 : mem_out_dec = 6'b111111;
12'd1679 : mem_out_dec = 6'b111111;
12'd1680 : mem_out_dec = 6'b111111;
12'd1681 : mem_out_dec = 6'b111111;
12'd1682 : mem_out_dec = 6'b111111;
12'd1683 : mem_out_dec = 6'b111111;
12'd1684 : mem_out_dec = 6'b111111;
12'd1685 : mem_out_dec = 6'b111111;
12'd1686 : mem_out_dec = 6'b111111;
12'd1687 : mem_out_dec = 6'b111111;
12'd1688 : mem_out_dec = 6'b111111;
12'd1689 : mem_out_dec = 6'b111111;
12'd1690 : mem_out_dec = 6'b111111;
12'd1691 : mem_out_dec = 6'b111111;
12'd1692 : mem_out_dec = 6'b111111;
12'd1693 : mem_out_dec = 6'b111111;
12'd1694 : mem_out_dec = 6'b111111;
12'd1695 : mem_out_dec = 6'b111111;
12'd1696 : mem_out_dec = 6'b000011;
12'd1697 : mem_out_dec = 6'b000011;
12'd1698 : mem_out_dec = 6'b000100;
12'd1699 : mem_out_dec = 6'b000100;
12'd1700 : mem_out_dec = 6'b000101;
12'd1701 : mem_out_dec = 6'b000101;
12'd1702 : mem_out_dec = 6'b000110;
12'd1703 : mem_out_dec = 6'b000111;
12'd1704 : mem_out_dec = 6'b000111;
12'd1705 : mem_out_dec = 6'b001000;
12'd1706 : mem_out_dec = 6'b001000;
12'd1707 : mem_out_dec = 6'b001001;
12'd1708 : mem_out_dec = 6'b001010;
12'd1709 : mem_out_dec = 6'b001011;
12'd1710 : mem_out_dec = 6'b001100;
12'd1711 : mem_out_dec = 6'b001100;
12'd1712 : mem_out_dec = 6'b001100;
12'd1713 : mem_out_dec = 6'b001101;
12'd1714 : mem_out_dec = 6'b001101;
12'd1715 : mem_out_dec = 6'b001110;
12'd1716 : mem_out_dec = 6'b001110;
12'd1717 : mem_out_dec = 6'b001111;
12'd1718 : mem_out_dec = 6'b001111;
12'd1719 : mem_out_dec = 6'b010000;
12'd1720 : mem_out_dec = 6'b010000;
12'd1721 : mem_out_dec = 6'b010000;
12'd1722 : mem_out_dec = 6'b010001;
12'd1723 : mem_out_dec = 6'b010001;
12'd1724 : mem_out_dec = 6'b010010;
12'd1725 : mem_out_dec = 6'b010010;
12'd1726 : mem_out_dec = 6'b010011;
12'd1727 : mem_out_dec = 6'b010011;
12'd1728 : mem_out_dec = 6'b111111;
12'd1729 : mem_out_dec = 6'b111111;
12'd1730 : mem_out_dec = 6'b111111;
12'd1731 : mem_out_dec = 6'b111111;
12'd1732 : mem_out_dec = 6'b111111;
12'd1733 : mem_out_dec = 6'b111111;
12'd1734 : mem_out_dec = 6'b111111;
12'd1735 : mem_out_dec = 6'b111111;
12'd1736 : mem_out_dec = 6'b111111;
12'd1737 : mem_out_dec = 6'b111111;
12'd1738 : mem_out_dec = 6'b111111;
12'd1739 : mem_out_dec = 6'b111111;
12'd1740 : mem_out_dec = 6'b111111;
12'd1741 : mem_out_dec = 6'b111111;
12'd1742 : mem_out_dec = 6'b111111;
12'd1743 : mem_out_dec = 6'b111111;
12'd1744 : mem_out_dec = 6'b111111;
12'd1745 : mem_out_dec = 6'b111111;
12'd1746 : mem_out_dec = 6'b111111;
12'd1747 : mem_out_dec = 6'b111111;
12'd1748 : mem_out_dec = 6'b111111;
12'd1749 : mem_out_dec = 6'b111111;
12'd1750 : mem_out_dec = 6'b111111;
12'd1751 : mem_out_dec = 6'b111111;
12'd1752 : mem_out_dec = 6'b111111;
12'd1753 : mem_out_dec = 6'b111111;
12'd1754 : mem_out_dec = 6'b111111;
12'd1755 : mem_out_dec = 6'b111111;
12'd1756 : mem_out_dec = 6'b111111;
12'd1757 : mem_out_dec = 6'b111111;
12'd1758 : mem_out_dec = 6'b111111;
12'd1759 : mem_out_dec = 6'b111111;
12'd1760 : mem_out_dec = 6'b111111;
12'd1761 : mem_out_dec = 6'b000011;
12'd1762 : mem_out_dec = 6'b000011;
12'd1763 : mem_out_dec = 6'b000100;
12'd1764 : mem_out_dec = 6'b000101;
12'd1765 : mem_out_dec = 6'b000101;
12'd1766 : mem_out_dec = 6'b000110;
12'd1767 : mem_out_dec = 6'b000111;
12'd1768 : mem_out_dec = 6'b000111;
12'd1769 : mem_out_dec = 6'b000111;
12'd1770 : mem_out_dec = 6'b001000;
12'd1771 : mem_out_dec = 6'b001001;
12'd1772 : mem_out_dec = 6'b001010;
12'd1773 : mem_out_dec = 6'b001011;
12'd1774 : mem_out_dec = 6'b001011;
12'd1775 : mem_out_dec = 6'b001100;
12'd1776 : mem_out_dec = 6'b001100;
12'd1777 : mem_out_dec = 6'b001101;
12'd1778 : mem_out_dec = 6'b001101;
12'd1779 : mem_out_dec = 6'b001101;
12'd1780 : mem_out_dec = 6'b001110;
12'd1781 : mem_out_dec = 6'b001111;
12'd1782 : mem_out_dec = 6'b001111;
12'd1783 : mem_out_dec = 6'b010000;
12'd1784 : mem_out_dec = 6'b010000;
12'd1785 : mem_out_dec = 6'b010000;
12'd1786 : mem_out_dec = 6'b010000;
12'd1787 : mem_out_dec = 6'b010001;
12'd1788 : mem_out_dec = 6'b010001;
12'd1789 : mem_out_dec = 6'b010010;
12'd1790 : mem_out_dec = 6'b010010;
12'd1791 : mem_out_dec = 6'b010011;
12'd1792 : mem_out_dec = 6'b111111;
12'd1793 : mem_out_dec = 6'b111111;
12'd1794 : mem_out_dec = 6'b111111;
12'd1795 : mem_out_dec = 6'b111111;
12'd1796 : mem_out_dec = 6'b111111;
12'd1797 : mem_out_dec = 6'b111111;
12'd1798 : mem_out_dec = 6'b111111;
12'd1799 : mem_out_dec = 6'b111111;
12'd1800 : mem_out_dec = 6'b111111;
12'd1801 : mem_out_dec = 6'b111111;
12'd1802 : mem_out_dec = 6'b111111;
12'd1803 : mem_out_dec = 6'b111111;
12'd1804 : mem_out_dec = 6'b111111;
12'd1805 : mem_out_dec = 6'b111111;
12'd1806 : mem_out_dec = 6'b111111;
12'd1807 : mem_out_dec = 6'b111111;
12'd1808 : mem_out_dec = 6'b111111;
12'd1809 : mem_out_dec = 6'b111111;
12'd1810 : mem_out_dec = 6'b111111;
12'd1811 : mem_out_dec = 6'b111111;
12'd1812 : mem_out_dec = 6'b111111;
12'd1813 : mem_out_dec = 6'b111111;
12'd1814 : mem_out_dec = 6'b111111;
12'd1815 : mem_out_dec = 6'b111111;
12'd1816 : mem_out_dec = 6'b111111;
12'd1817 : mem_out_dec = 6'b111111;
12'd1818 : mem_out_dec = 6'b111111;
12'd1819 : mem_out_dec = 6'b111111;
12'd1820 : mem_out_dec = 6'b111111;
12'd1821 : mem_out_dec = 6'b111111;
12'd1822 : mem_out_dec = 6'b111111;
12'd1823 : mem_out_dec = 6'b111111;
12'd1824 : mem_out_dec = 6'b111111;
12'd1825 : mem_out_dec = 6'b111111;
12'd1826 : mem_out_dec = 6'b000011;
12'd1827 : mem_out_dec = 6'b000100;
12'd1828 : mem_out_dec = 6'b000100;
12'd1829 : mem_out_dec = 6'b000101;
12'd1830 : mem_out_dec = 6'b000110;
12'd1831 : mem_out_dec = 6'b000110;
12'd1832 : mem_out_dec = 6'b000110;
12'd1833 : mem_out_dec = 6'b000111;
12'd1834 : mem_out_dec = 6'b001000;
12'd1835 : mem_out_dec = 6'b001001;
12'd1836 : mem_out_dec = 6'b001010;
12'd1837 : mem_out_dec = 6'b001010;
12'd1838 : mem_out_dec = 6'b001011;
12'd1839 : mem_out_dec = 6'b001100;
12'd1840 : mem_out_dec = 6'b001100;
12'd1841 : mem_out_dec = 6'b001100;
12'd1842 : mem_out_dec = 6'b001101;
12'd1843 : mem_out_dec = 6'b001101;
12'd1844 : mem_out_dec = 6'b001110;
12'd1845 : mem_out_dec = 6'b001110;
12'd1846 : mem_out_dec = 6'b001111;
12'd1847 : mem_out_dec = 6'b010000;
12'd1848 : mem_out_dec = 6'b001111;
12'd1849 : mem_out_dec = 6'b001111;
12'd1850 : mem_out_dec = 6'b010000;
12'd1851 : mem_out_dec = 6'b010000;
12'd1852 : mem_out_dec = 6'b010001;
12'd1853 : mem_out_dec = 6'b010001;
12'd1854 : mem_out_dec = 6'b010010;
12'd1855 : mem_out_dec = 6'b010010;
12'd1856 : mem_out_dec = 6'b111111;
12'd1857 : mem_out_dec = 6'b111111;
12'd1858 : mem_out_dec = 6'b111111;
12'd1859 : mem_out_dec = 6'b111111;
12'd1860 : mem_out_dec = 6'b111111;
12'd1861 : mem_out_dec = 6'b111111;
12'd1862 : mem_out_dec = 6'b111111;
12'd1863 : mem_out_dec = 6'b111111;
12'd1864 : mem_out_dec = 6'b111111;
12'd1865 : mem_out_dec = 6'b111111;
12'd1866 : mem_out_dec = 6'b111111;
12'd1867 : mem_out_dec = 6'b111111;
12'd1868 : mem_out_dec = 6'b111111;
12'd1869 : mem_out_dec = 6'b111111;
12'd1870 : mem_out_dec = 6'b111111;
12'd1871 : mem_out_dec = 6'b111111;
12'd1872 : mem_out_dec = 6'b111111;
12'd1873 : mem_out_dec = 6'b111111;
12'd1874 : mem_out_dec = 6'b111111;
12'd1875 : mem_out_dec = 6'b111111;
12'd1876 : mem_out_dec = 6'b111111;
12'd1877 : mem_out_dec = 6'b111111;
12'd1878 : mem_out_dec = 6'b111111;
12'd1879 : mem_out_dec = 6'b111111;
12'd1880 : mem_out_dec = 6'b111111;
12'd1881 : mem_out_dec = 6'b111111;
12'd1882 : mem_out_dec = 6'b111111;
12'd1883 : mem_out_dec = 6'b111111;
12'd1884 : mem_out_dec = 6'b111111;
12'd1885 : mem_out_dec = 6'b111111;
12'd1886 : mem_out_dec = 6'b111111;
12'd1887 : mem_out_dec = 6'b111111;
12'd1888 : mem_out_dec = 6'b111111;
12'd1889 : mem_out_dec = 6'b111111;
12'd1890 : mem_out_dec = 6'b111111;
12'd1891 : mem_out_dec = 6'b000100;
12'd1892 : mem_out_dec = 6'b000100;
12'd1893 : mem_out_dec = 6'b000101;
12'd1894 : mem_out_dec = 6'b000101;
12'd1895 : mem_out_dec = 6'b000110;
12'd1896 : mem_out_dec = 6'b000110;
12'd1897 : mem_out_dec = 6'b000111;
12'd1898 : mem_out_dec = 6'b001000;
12'd1899 : mem_out_dec = 6'b001001;
12'd1900 : mem_out_dec = 6'b001001;
12'd1901 : mem_out_dec = 6'b001010;
12'd1902 : mem_out_dec = 6'b001011;
12'd1903 : mem_out_dec = 6'b001100;
12'd1904 : mem_out_dec = 6'b001100;
12'd1905 : mem_out_dec = 6'b001100;
12'd1906 : mem_out_dec = 6'b001100;
12'd1907 : mem_out_dec = 6'b001101;
12'd1908 : mem_out_dec = 6'b001110;
12'd1909 : mem_out_dec = 6'b001110;
12'd1910 : mem_out_dec = 6'b001111;
12'd1911 : mem_out_dec = 6'b001111;
12'd1912 : mem_out_dec = 6'b001111;
12'd1913 : mem_out_dec = 6'b001111;
12'd1914 : mem_out_dec = 6'b001111;
12'd1915 : mem_out_dec = 6'b010000;
12'd1916 : mem_out_dec = 6'b010000;
12'd1917 : mem_out_dec = 6'b010001;
12'd1918 : mem_out_dec = 6'b010001;
12'd1919 : mem_out_dec = 6'b010010;
12'd1920 : mem_out_dec = 6'b111111;
12'd1921 : mem_out_dec = 6'b111111;
12'd1922 : mem_out_dec = 6'b111111;
12'd1923 : mem_out_dec = 6'b111111;
12'd1924 : mem_out_dec = 6'b111111;
12'd1925 : mem_out_dec = 6'b111111;
12'd1926 : mem_out_dec = 6'b111111;
12'd1927 : mem_out_dec = 6'b111111;
12'd1928 : mem_out_dec = 6'b111111;
12'd1929 : mem_out_dec = 6'b111111;
12'd1930 : mem_out_dec = 6'b111111;
12'd1931 : mem_out_dec = 6'b111111;
12'd1932 : mem_out_dec = 6'b111111;
12'd1933 : mem_out_dec = 6'b111111;
12'd1934 : mem_out_dec = 6'b111111;
12'd1935 : mem_out_dec = 6'b111111;
12'd1936 : mem_out_dec = 6'b111111;
12'd1937 : mem_out_dec = 6'b111111;
12'd1938 : mem_out_dec = 6'b111111;
12'd1939 : mem_out_dec = 6'b111111;
12'd1940 : mem_out_dec = 6'b111111;
12'd1941 : mem_out_dec = 6'b111111;
12'd1942 : mem_out_dec = 6'b111111;
12'd1943 : mem_out_dec = 6'b111111;
12'd1944 : mem_out_dec = 6'b111111;
12'd1945 : mem_out_dec = 6'b111111;
12'd1946 : mem_out_dec = 6'b111111;
12'd1947 : mem_out_dec = 6'b111111;
12'd1948 : mem_out_dec = 6'b111111;
12'd1949 : mem_out_dec = 6'b111111;
12'd1950 : mem_out_dec = 6'b111111;
12'd1951 : mem_out_dec = 6'b111111;
12'd1952 : mem_out_dec = 6'b111111;
12'd1953 : mem_out_dec = 6'b111111;
12'd1954 : mem_out_dec = 6'b111111;
12'd1955 : mem_out_dec = 6'b111111;
12'd1956 : mem_out_dec = 6'b000100;
12'd1957 : mem_out_dec = 6'b000101;
12'd1958 : mem_out_dec = 6'b000101;
12'd1959 : mem_out_dec = 6'b000110;
12'd1960 : mem_out_dec = 6'b000110;
12'd1961 : mem_out_dec = 6'b000111;
12'd1962 : mem_out_dec = 6'b001000;
12'd1963 : mem_out_dec = 6'b001000;
12'd1964 : mem_out_dec = 6'b001001;
12'd1965 : mem_out_dec = 6'b001010;
12'd1966 : mem_out_dec = 6'b001011;
12'd1967 : mem_out_dec = 6'b001011;
12'd1968 : mem_out_dec = 6'b001011;
12'd1969 : mem_out_dec = 6'b001100;
12'd1970 : mem_out_dec = 6'b001100;
12'd1971 : mem_out_dec = 6'b001101;
12'd1972 : mem_out_dec = 6'b001101;
12'd1973 : mem_out_dec = 6'b001110;
12'd1974 : mem_out_dec = 6'b001111;
12'd1975 : mem_out_dec = 6'b001111;
12'd1976 : mem_out_dec = 6'b001110;
12'd1977 : mem_out_dec = 6'b001110;
12'd1978 : mem_out_dec = 6'b001111;
12'd1979 : mem_out_dec = 6'b001111;
12'd1980 : mem_out_dec = 6'b010000;
12'd1981 : mem_out_dec = 6'b010000;
12'd1982 : mem_out_dec = 6'b010001;
12'd1983 : mem_out_dec = 6'b010001;
12'd1984 : mem_out_dec = 6'b111111;
12'd1985 : mem_out_dec = 6'b111111;
12'd1986 : mem_out_dec = 6'b111111;
12'd1987 : mem_out_dec = 6'b111111;
12'd1988 : mem_out_dec = 6'b111111;
12'd1989 : mem_out_dec = 6'b111111;
12'd1990 : mem_out_dec = 6'b111111;
12'd1991 : mem_out_dec = 6'b111111;
12'd1992 : mem_out_dec = 6'b111111;
12'd1993 : mem_out_dec = 6'b111111;
12'd1994 : mem_out_dec = 6'b111111;
12'd1995 : mem_out_dec = 6'b111111;
12'd1996 : mem_out_dec = 6'b111111;
12'd1997 : mem_out_dec = 6'b111111;
12'd1998 : mem_out_dec = 6'b111111;
12'd1999 : mem_out_dec = 6'b111111;
12'd2000 : mem_out_dec = 6'b111111;
12'd2001 : mem_out_dec = 6'b111111;
12'd2002 : mem_out_dec = 6'b111111;
12'd2003 : mem_out_dec = 6'b111111;
12'd2004 : mem_out_dec = 6'b111111;
12'd2005 : mem_out_dec = 6'b111111;
12'd2006 : mem_out_dec = 6'b111111;
12'd2007 : mem_out_dec = 6'b111111;
12'd2008 : mem_out_dec = 6'b111111;
12'd2009 : mem_out_dec = 6'b111111;
12'd2010 : mem_out_dec = 6'b111111;
12'd2011 : mem_out_dec = 6'b111111;
12'd2012 : mem_out_dec = 6'b111111;
12'd2013 : mem_out_dec = 6'b111111;
12'd2014 : mem_out_dec = 6'b111111;
12'd2015 : mem_out_dec = 6'b111111;
12'd2016 : mem_out_dec = 6'b111111;
12'd2017 : mem_out_dec = 6'b111111;
12'd2018 : mem_out_dec = 6'b111111;
12'd2019 : mem_out_dec = 6'b111111;
12'd2020 : mem_out_dec = 6'b111111;
12'd2021 : mem_out_dec = 6'b000100;
12'd2022 : mem_out_dec = 6'b000101;
12'd2023 : mem_out_dec = 6'b000110;
12'd2024 : mem_out_dec = 6'b000110;
12'd2025 : mem_out_dec = 6'b000111;
12'd2026 : mem_out_dec = 6'b000111;
12'd2027 : mem_out_dec = 6'b001000;
12'd2028 : mem_out_dec = 6'b001001;
12'd2029 : mem_out_dec = 6'b001010;
12'd2030 : mem_out_dec = 6'b001010;
12'd2031 : mem_out_dec = 6'b001011;
12'd2032 : mem_out_dec = 6'b001011;
12'd2033 : mem_out_dec = 6'b001011;
12'd2034 : mem_out_dec = 6'b001100;
12'd2035 : mem_out_dec = 6'b001101;
12'd2036 : mem_out_dec = 6'b001101;
12'd2037 : mem_out_dec = 6'b001110;
12'd2038 : mem_out_dec = 6'b001110;
12'd2039 : mem_out_dec = 6'b001110;
12'd2040 : mem_out_dec = 6'b001101;
12'd2041 : mem_out_dec = 6'b001110;
12'd2042 : mem_out_dec = 6'b001110;
12'd2043 : mem_out_dec = 6'b001111;
12'd2044 : mem_out_dec = 6'b001111;
12'd2045 : mem_out_dec = 6'b010000;
12'd2046 : mem_out_dec = 6'b010000;
12'd2047 : mem_out_dec = 6'b010001;
12'd2048 : mem_out_dec = 6'b111111;
12'd2049 : mem_out_dec = 6'b111111;
12'd2050 : mem_out_dec = 6'b111111;
12'd2051 : mem_out_dec = 6'b111111;
12'd2052 : mem_out_dec = 6'b111111;
12'd2053 : mem_out_dec = 6'b111111;
12'd2054 : mem_out_dec = 6'b111111;
12'd2055 : mem_out_dec = 6'b111111;
12'd2056 : mem_out_dec = 6'b111111;
12'd2057 : mem_out_dec = 6'b111111;
12'd2058 : mem_out_dec = 6'b111111;
12'd2059 : mem_out_dec = 6'b111111;
12'd2060 : mem_out_dec = 6'b111111;
12'd2061 : mem_out_dec = 6'b111111;
12'd2062 : mem_out_dec = 6'b111111;
12'd2063 : mem_out_dec = 6'b111111;
12'd2064 : mem_out_dec = 6'b111111;
12'd2065 : mem_out_dec = 6'b111111;
12'd2066 : mem_out_dec = 6'b111111;
12'd2067 : mem_out_dec = 6'b111111;
12'd2068 : mem_out_dec = 6'b111111;
12'd2069 : mem_out_dec = 6'b111111;
12'd2070 : mem_out_dec = 6'b111111;
12'd2071 : mem_out_dec = 6'b111111;
12'd2072 : mem_out_dec = 6'b111111;
12'd2073 : mem_out_dec = 6'b111111;
12'd2074 : mem_out_dec = 6'b111111;
12'd2075 : mem_out_dec = 6'b111111;
12'd2076 : mem_out_dec = 6'b111111;
12'd2077 : mem_out_dec = 6'b111111;
12'd2078 : mem_out_dec = 6'b111111;
12'd2079 : mem_out_dec = 6'b111111;
12'd2080 : mem_out_dec = 6'b111111;
12'd2081 : mem_out_dec = 6'b111111;
12'd2082 : mem_out_dec = 6'b111111;
12'd2083 : mem_out_dec = 6'b111111;
12'd2084 : mem_out_dec = 6'b111111;
12'd2085 : mem_out_dec = 6'b111111;
12'd2086 : mem_out_dec = 6'b000100;
12'd2087 : mem_out_dec = 6'b000101;
12'd2088 : mem_out_dec = 6'b000101;
12'd2089 : mem_out_dec = 6'b000110;
12'd2090 : mem_out_dec = 6'b000110;
12'd2091 : mem_out_dec = 6'b000111;
12'd2092 : mem_out_dec = 6'b001000;
12'd2093 : mem_out_dec = 6'b001001;
12'd2094 : mem_out_dec = 6'b001001;
12'd2095 : mem_out_dec = 6'b001010;
12'd2096 : mem_out_dec = 6'b001010;
12'd2097 : mem_out_dec = 6'b001011;
12'd2098 : mem_out_dec = 6'b001011;
12'd2099 : mem_out_dec = 6'b001100;
12'd2100 : mem_out_dec = 6'b001100;
12'd2101 : mem_out_dec = 6'b001100;
12'd2102 : mem_out_dec = 6'b001100;
12'd2103 : mem_out_dec = 6'b001101;
12'd2104 : mem_out_dec = 6'b001100;
12'd2105 : mem_out_dec = 6'b001100;
12'd2106 : mem_out_dec = 6'b001101;
12'd2107 : mem_out_dec = 6'b001101;
12'd2108 : mem_out_dec = 6'b001110;
12'd2109 : mem_out_dec = 6'b001111;
12'd2110 : mem_out_dec = 6'b010000;
12'd2111 : mem_out_dec = 6'b010000;
12'd2112 : mem_out_dec = 6'b111111;
12'd2113 : mem_out_dec = 6'b111111;
12'd2114 : mem_out_dec = 6'b111111;
12'd2115 : mem_out_dec = 6'b111111;
12'd2116 : mem_out_dec = 6'b111111;
12'd2117 : mem_out_dec = 6'b111111;
12'd2118 : mem_out_dec = 6'b111111;
12'd2119 : mem_out_dec = 6'b111111;
12'd2120 : mem_out_dec = 6'b111111;
12'd2121 : mem_out_dec = 6'b111111;
12'd2122 : mem_out_dec = 6'b111111;
12'd2123 : mem_out_dec = 6'b111111;
12'd2124 : mem_out_dec = 6'b111111;
12'd2125 : mem_out_dec = 6'b111111;
12'd2126 : mem_out_dec = 6'b111111;
12'd2127 : mem_out_dec = 6'b111111;
12'd2128 : mem_out_dec = 6'b111111;
12'd2129 : mem_out_dec = 6'b111111;
12'd2130 : mem_out_dec = 6'b111111;
12'd2131 : mem_out_dec = 6'b111111;
12'd2132 : mem_out_dec = 6'b111111;
12'd2133 : mem_out_dec = 6'b111111;
12'd2134 : mem_out_dec = 6'b111111;
12'd2135 : mem_out_dec = 6'b111111;
12'd2136 : mem_out_dec = 6'b111111;
12'd2137 : mem_out_dec = 6'b111111;
12'd2138 : mem_out_dec = 6'b111111;
12'd2139 : mem_out_dec = 6'b111111;
12'd2140 : mem_out_dec = 6'b111111;
12'd2141 : mem_out_dec = 6'b111111;
12'd2142 : mem_out_dec = 6'b111111;
12'd2143 : mem_out_dec = 6'b111111;
12'd2144 : mem_out_dec = 6'b111111;
12'd2145 : mem_out_dec = 6'b111111;
12'd2146 : mem_out_dec = 6'b111111;
12'd2147 : mem_out_dec = 6'b111111;
12'd2148 : mem_out_dec = 6'b111111;
12'd2149 : mem_out_dec = 6'b111111;
12'd2150 : mem_out_dec = 6'b111111;
12'd2151 : mem_out_dec = 6'b000100;
12'd2152 : mem_out_dec = 6'b000100;
12'd2153 : mem_out_dec = 6'b000101;
12'd2154 : mem_out_dec = 6'b000110;
12'd2155 : mem_out_dec = 6'b000111;
12'd2156 : mem_out_dec = 6'b000111;
12'd2157 : mem_out_dec = 6'b001000;
12'd2158 : mem_out_dec = 6'b001001;
12'd2159 : mem_out_dec = 6'b001001;
12'd2160 : mem_out_dec = 6'b001010;
12'd2161 : mem_out_dec = 6'b001010;
12'd2162 : mem_out_dec = 6'b001011;
12'd2163 : mem_out_dec = 6'b001011;
12'd2164 : mem_out_dec = 6'b001011;
12'd2165 : mem_out_dec = 6'b001011;
12'd2166 : mem_out_dec = 6'b001011;
12'd2167 : mem_out_dec = 6'b001100;
12'd2168 : mem_out_dec = 6'b001011;
12'd2169 : mem_out_dec = 6'b001011;
12'd2170 : mem_out_dec = 6'b001100;
12'd2171 : mem_out_dec = 6'b001101;
12'd2172 : mem_out_dec = 6'b001110;
12'd2173 : mem_out_dec = 6'b001110;
12'd2174 : mem_out_dec = 6'b001111;
12'd2175 : mem_out_dec = 6'b010000;
12'd2176 : mem_out_dec = 6'b111111;
12'd2177 : mem_out_dec = 6'b111111;
12'd2178 : mem_out_dec = 6'b111111;
12'd2179 : mem_out_dec = 6'b111111;
12'd2180 : mem_out_dec = 6'b111111;
12'd2181 : mem_out_dec = 6'b111111;
12'd2182 : mem_out_dec = 6'b111111;
12'd2183 : mem_out_dec = 6'b111111;
12'd2184 : mem_out_dec = 6'b111111;
12'd2185 : mem_out_dec = 6'b111111;
12'd2186 : mem_out_dec = 6'b111111;
12'd2187 : mem_out_dec = 6'b111111;
12'd2188 : mem_out_dec = 6'b111111;
12'd2189 : mem_out_dec = 6'b111111;
12'd2190 : mem_out_dec = 6'b111111;
12'd2191 : mem_out_dec = 6'b111111;
12'd2192 : mem_out_dec = 6'b111111;
12'd2193 : mem_out_dec = 6'b111111;
12'd2194 : mem_out_dec = 6'b111111;
12'd2195 : mem_out_dec = 6'b111111;
12'd2196 : mem_out_dec = 6'b111111;
12'd2197 : mem_out_dec = 6'b111111;
12'd2198 : mem_out_dec = 6'b111111;
12'd2199 : mem_out_dec = 6'b111111;
12'd2200 : mem_out_dec = 6'b111111;
12'd2201 : mem_out_dec = 6'b111111;
12'd2202 : mem_out_dec = 6'b111111;
12'd2203 : mem_out_dec = 6'b111111;
12'd2204 : mem_out_dec = 6'b111111;
12'd2205 : mem_out_dec = 6'b111111;
12'd2206 : mem_out_dec = 6'b111111;
12'd2207 : mem_out_dec = 6'b111111;
12'd2208 : mem_out_dec = 6'b111111;
12'd2209 : mem_out_dec = 6'b111111;
12'd2210 : mem_out_dec = 6'b111111;
12'd2211 : mem_out_dec = 6'b111111;
12'd2212 : mem_out_dec = 6'b111111;
12'd2213 : mem_out_dec = 6'b111111;
12'd2214 : mem_out_dec = 6'b111111;
12'd2215 : mem_out_dec = 6'b111111;
12'd2216 : mem_out_dec = 6'b000100;
12'd2217 : mem_out_dec = 6'b000101;
12'd2218 : mem_out_dec = 6'b000101;
12'd2219 : mem_out_dec = 6'b000110;
12'd2220 : mem_out_dec = 6'b000111;
12'd2221 : mem_out_dec = 6'b000111;
12'd2222 : mem_out_dec = 6'b001000;
12'd2223 : mem_out_dec = 6'b001001;
12'd2224 : mem_out_dec = 6'b001001;
12'd2225 : mem_out_dec = 6'b001010;
12'd2226 : mem_out_dec = 6'b001010;
12'd2227 : mem_out_dec = 6'b001010;
12'd2228 : mem_out_dec = 6'b001010;
12'd2229 : mem_out_dec = 6'b001010;
12'd2230 : mem_out_dec = 6'b001010;
12'd2231 : mem_out_dec = 6'b001010;
12'd2232 : mem_out_dec = 6'b001010;
12'd2233 : mem_out_dec = 6'b001011;
12'd2234 : mem_out_dec = 6'b001100;
12'd2235 : mem_out_dec = 6'b001100;
12'd2236 : mem_out_dec = 6'b001101;
12'd2237 : mem_out_dec = 6'b001110;
12'd2238 : mem_out_dec = 6'b001111;
12'd2239 : mem_out_dec = 6'b010000;
12'd2240 : mem_out_dec = 6'b111111;
12'd2241 : mem_out_dec = 6'b111111;
12'd2242 : mem_out_dec = 6'b111111;
12'd2243 : mem_out_dec = 6'b111111;
12'd2244 : mem_out_dec = 6'b111111;
12'd2245 : mem_out_dec = 6'b111111;
12'd2246 : mem_out_dec = 6'b111111;
12'd2247 : mem_out_dec = 6'b111111;
12'd2248 : mem_out_dec = 6'b111111;
12'd2249 : mem_out_dec = 6'b111111;
12'd2250 : mem_out_dec = 6'b111111;
12'd2251 : mem_out_dec = 6'b111111;
12'd2252 : mem_out_dec = 6'b111111;
12'd2253 : mem_out_dec = 6'b111111;
12'd2254 : mem_out_dec = 6'b111111;
12'd2255 : mem_out_dec = 6'b111111;
12'd2256 : mem_out_dec = 6'b111111;
12'd2257 : mem_out_dec = 6'b111111;
12'd2258 : mem_out_dec = 6'b111111;
12'd2259 : mem_out_dec = 6'b111111;
12'd2260 : mem_out_dec = 6'b111111;
12'd2261 : mem_out_dec = 6'b111111;
12'd2262 : mem_out_dec = 6'b111111;
12'd2263 : mem_out_dec = 6'b111111;
12'd2264 : mem_out_dec = 6'b111111;
12'd2265 : mem_out_dec = 6'b111111;
12'd2266 : mem_out_dec = 6'b111111;
12'd2267 : mem_out_dec = 6'b111111;
12'd2268 : mem_out_dec = 6'b111111;
12'd2269 : mem_out_dec = 6'b111111;
12'd2270 : mem_out_dec = 6'b111111;
12'd2271 : mem_out_dec = 6'b111111;
12'd2272 : mem_out_dec = 6'b111111;
12'd2273 : mem_out_dec = 6'b111111;
12'd2274 : mem_out_dec = 6'b111111;
12'd2275 : mem_out_dec = 6'b111111;
12'd2276 : mem_out_dec = 6'b111111;
12'd2277 : mem_out_dec = 6'b111111;
12'd2278 : mem_out_dec = 6'b111111;
12'd2279 : mem_out_dec = 6'b111111;
12'd2280 : mem_out_dec = 6'b111111;
12'd2281 : mem_out_dec = 6'b000100;
12'd2282 : mem_out_dec = 6'b000101;
12'd2283 : mem_out_dec = 6'b000101;
12'd2284 : mem_out_dec = 6'b000110;
12'd2285 : mem_out_dec = 6'b000111;
12'd2286 : mem_out_dec = 6'b001000;
12'd2287 : mem_out_dec = 6'b001001;
12'd2288 : mem_out_dec = 6'b001001;
12'd2289 : mem_out_dec = 6'b001001;
12'd2290 : mem_out_dec = 6'b001001;
12'd2291 : mem_out_dec = 6'b001001;
12'd2292 : mem_out_dec = 6'b001001;
12'd2293 : mem_out_dec = 6'b001001;
12'd2294 : mem_out_dec = 6'b001001;
12'd2295 : mem_out_dec = 6'b001001;
12'd2296 : mem_out_dec = 6'b001010;
12'd2297 : mem_out_dec = 6'b001010;
12'd2298 : mem_out_dec = 6'b001011;
12'd2299 : mem_out_dec = 6'b001100;
12'd2300 : mem_out_dec = 6'b001101;
12'd2301 : mem_out_dec = 6'b001110;
12'd2302 : mem_out_dec = 6'b001110;
12'd2303 : mem_out_dec = 6'b001111;
12'd2304 : mem_out_dec = 6'b111111;
12'd2305 : mem_out_dec = 6'b111111;
12'd2306 : mem_out_dec = 6'b111111;
12'd2307 : mem_out_dec = 6'b111111;
12'd2308 : mem_out_dec = 6'b111111;
12'd2309 : mem_out_dec = 6'b111111;
12'd2310 : mem_out_dec = 6'b111111;
12'd2311 : mem_out_dec = 6'b111111;
12'd2312 : mem_out_dec = 6'b111111;
12'd2313 : mem_out_dec = 6'b111111;
12'd2314 : mem_out_dec = 6'b111111;
12'd2315 : mem_out_dec = 6'b111111;
12'd2316 : mem_out_dec = 6'b111111;
12'd2317 : mem_out_dec = 6'b111111;
12'd2318 : mem_out_dec = 6'b111111;
12'd2319 : mem_out_dec = 6'b111111;
12'd2320 : mem_out_dec = 6'b111111;
12'd2321 : mem_out_dec = 6'b111111;
12'd2322 : mem_out_dec = 6'b111111;
12'd2323 : mem_out_dec = 6'b111111;
12'd2324 : mem_out_dec = 6'b111111;
12'd2325 : mem_out_dec = 6'b111111;
12'd2326 : mem_out_dec = 6'b111111;
12'd2327 : mem_out_dec = 6'b111111;
12'd2328 : mem_out_dec = 6'b111111;
12'd2329 : mem_out_dec = 6'b111111;
12'd2330 : mem_out_dec = 6'b111111;
12'd2331 : mem_out_dec = 6'b111111;
12'd2332 : mem_out_dec = 6'b111111;
12'd2333 : mem_out_dec = 6'b111111;
12'd2334 : mem_out_dec = 6'b111111;
12'd2335 : mem_out_dec = 6'b111111;
12'd2336 : mem_out_dec = 6'b111111;
12'd2337 : mem_out_dec = 6'b111111;
12'd2338 : mem_out_dec = 6'b111111;
12'd2339 : mem_out_dec = 6'b111111;
12'd2340 : mem_out_dec = 6'b111111;
12'd2341 : mem_out_dec = 6'b111111;
12'd2342 : mem_out_dec = 6'b111111;
12'd2343 : mem_out_dec = 6'b111111;
12'd2344 : mem_out_dec = 6'b111111;
12'd2345 : mem_out_dec = 6'b111111;
12'd2346 : mem_out_dec = 6'b000100;
12'd2347 : mem_out_dec = 6'b000101;
12'd2348 : mem_out_dec = 6'b000110;
12'd2349 : mem_out_dec = 6'b000111;
12'd2350 : mem_out_dec = 6'b000111;
12'd2351 : mem_out_dec = 6'b001000;
12'd2352 : mem_out_dec = 6'b001000;
12'd2353 : mem_out_dec = 6'b001000;
12'd2354 : mem_out_dec = 6'b001000;
12'd2355 : mem_out_dec = 6'b001000;
12'd2356 : mem_out_dec = 6'b001000;
12'd2357 : mem_out_dec = 6'b001000;
12'd2358 : mem_out_dec = 6'b001000;
12'd2359 : mem_out_dec = 6'b001001;
12'd2360 : mem_out_dec = 6'b001001;
12'd2361 : mem_out_dec = 6'b001010;
12'd2362 : mem_out_dec = 6'b001011;
12'd2363 : mem_out_dec = 6'b001100;
12'd2364 : mem_out_dec = 6'b001100;
12'd2365 : mem_out_dec = 6'b001101;
12'd2366 : mem_out_dec = 6'b001110;
12'd2367 : mem_out_dec = 6'b001111;
12'd2368 : mem_out_dec = 6'b111111;
12'd2369 : mem_out_dec = 6'b111111;
12'd2370 : mem_out_dec = 6'b111111;
12'd2371 : mem_out_dec = 6'b111111;
12'd2372 : mem_out_dec = 6'b111111;
12'd2373 : mem_out_dec = 6'b111111;
12'd2374 : mem_out_dec = 6'b111111;
12'd2375 : mem_out_dec = 6'b111111;
12'd2376 : mem_out_dec = 6'b111111;
12'd2377 : mem_out_dec = 6'b111111;
12'd2378 : mem_out_dec = 6'b111111;
12'd2379 : mem_out_dec = 6'b111111;
12'd2380 : mem_out_dec = 6'b111111;
12'd2381 : mem_out_dec = 6'b111111;
12'd2382 : mem_out_dec = 6'b111111;
12'd2383 : mem_out_dec = 6'b111111;
12'd2384 : mem_out_dec = 6'b111111;
12'd2385 : mem_out_dec = 6'b111111;
12'd2386 : mem_out_dec = 6'b111111;
12'd2387 : mem_out_dec = 6'b111111;
12'd2388 : mem_out_dec = 6'b111111;
12'd2389 : mem_out_dec = 6'b111111;
12'd2390 : mem_out_dec = 6'b111111;
12'd2391 : mem_out_dec = 6'b111111;
12'd2392 : mem_out_dec = 6'b111111;
12'd2393 : mem_out_dec = 6'b111111;
12'd2394 : mem_out_dec = 6'b111111;
12'd2395 : mem_out_dec = 6'b111111;
12'd2396 : mem_out_dec = 6'b111111;
12'd2397 : mem_out_dec = 6'b111111;
12'd2398 : mem_out_dec = 6'b111111;
12'd2399 : mem_out_dec = 6'b111111;
12'd2400 : mem_out_dec = 6'b111111;
12'd2401 : mem_out_dec = 6'b111111;
12'd2402 : mem_out_dec = 6'b111111;
12'd2403 : mem_out_dec = 6'b111111;
12'd2404 : mem_out_dec = 6'b111111;
12'd2405 : mem_out_dec = 6'b111111;
12'd2406 : mem_out_dec = 6'b111111;
12'd2407 : mem_out_dec = 6'b111111;
12'd2408 : mem_out_dec = 6'b111111;
12'd2409 : mem_out_dec = 6'b111111;
12'd2410 : mem_out_dec = 6'b111111;
12'd2411 : mem_out_dec = 6'b000101;
12'd2412 : mem_out_dec = 6'b000101;
12'd2413 : mem_out_dec = 6'b000110;
12'd2414 : mem_out_dec = 6'b000111;
12'd2415 : mem_out_dec = 6'b001000;
12'd2416 : mem_out_dec = 6'b000111;
12'd2417 : mem_out_dec = 6'b000111;
12'd2418 : mem_out_dec = 6'b000111;
12'd2419 : mem_out_dec = 6'b000111;
12'd2420 : mem_out_dec = 6'b000111;
12'd2421 : mem_out_dec = 6'b000111;
12'd2422 : mem_out_dec = 6'b001000;
12'd2423 : mem_out_dec = 6'b001001;
12'd2424 : mem_out_dec = 6'b001001;
12'd2425 : mem_out_dec = 6'b001010;
12'd2426 : mem_out_dec = 6'b001010;
12'd2427 : mem_out_dec = 6'b001011;
12'd2428 : mem_out_dec = 6'b001100;
12'd2429 : mem_out_dec = 6'b001101;
12'd2430 : mem_out_dec = 6'b001101;
12'd2431 : mem_out_dec = 6'b001110;
12'd2432 : mem_out_dec = 6'b111111;
12'd2433 : mem_out_dec = 6'b111111;
12'd2434 : mem_out_dec = 6'b111111;
12'd2435 : mem_out_dec = 6'b111111;
12'd2436 : mem_out_dec = 6'b111111;
12'd2437 : mem_out_dec = 6'b111111;
12'd2438 : mem_out_dec = 6'b111111;
12'd2439 : mem_out_dec = 6'b111111;
12'd2440 : mem_out_dec = 6'b111111;
12'd2441 : mem_out_dec = 6'b111111;
12'd2442 : mem_out_dec = 6'b111111;
12'd2443 : mem_out_dec = 6'b111111;
12'd2444 : mem_out_dec = 6'b111111;
12'd2445 : mem_out_dec = 6'b111111;
12'd2446 : mem_out_dec = 6'b111111;
12'd2447 : mem_out_dec = 6'b111111;
12'd2448 : mem_out_dec = 6'b111111;
12'd2449 : mem_out_dec = 6'b111111;
12'd2450 : mem_out_dec = 6'b111111;
12'd2451 : mem_out_dec = 6'b111111;
12'd2452 : mem_out_dec = 6'b111111;
12'd2453 : mem_out_dec = 6'b111111;
12'd2454 : mem_out_dec = 6'b111111;
12'd2455 : mem_out_dec = 6'b111111;
12'd2456 : mem_out_dec = 6'b111111;
12'd2457 : mem_out_dec = 6'b111111;
12'd2458 : mem_out_dec = 6'b111111;
12'd2459 : mem_out_dec = 6'b111111;
12'd2460 : mem_out_dec = 6'b111111;
12'd2461 : mem_out_dec = 6'b111111;
12'd2462 : mem_out_dec = 6'b111111;
12'd2463 : mem_out_dec = 6'b111111;
12'd2464 : mem_out_dec = 6'b111111;
12'd2465 : mem_out_dec = 6'b111111;
12'd2466 : mem_out_dec = 6'b111111;
12'd2467 : mem_out_dec = 6'b111111;
12'd2468 : mem_out_dec = 6'b111111;
12'd2469 : mem_out_dec = 6'b111111;
12'd2470 : mem_out_dec = 6'b111111;
12'd2471 : mem_out_dec = 6'b111111;
12'd2472 : mem_out_dec = 6'b111111;
12'd2473 : mem_out_dec = 6'b111111;
12'd2474 : mem_out_dec = 6'b111111;
12'd2475 : mem_out_dec = 6'b111111;
12'd2476 : mem_out_dec = 6'b000101;
12'd2477 : mem_out_dec = 6'b000110;
12'd2478 : mem_out_dec = 6'b000111;
12'd2479 : mem_out_dec = 6'b000111;
12'd2480 : mem_out_dec = 6'b000110;
12'd2481 : mem_out_dec = 6'b000110;
12'd2482 : mem_out_dec = 6'b000110;
12'd2483 : mem_out_dec = 6'b000110;
12'd2484 : mem_out_dec = 6'b000110;
12'd2485 : mem_out_dec = 6'b000111;
12'd2486 : mem_out_dec = 6'b000111;
12'd2487 : mem_out_dec = 6'b001000;
12'd2488 : mem_out_dec = 6'b001001;
12'd2489 : mem_out_dec = 6'b001001;
12'd2490 : mem_out_dec = 6'b001010;
12'd2491 : mem_out_dec = 6'b001011;
12'd2492 : mem_out_dec = 6'b001011;
12'd2493 : mem_out_dec = 6'b001100;
12'd2494 : mem_out_dec = 6'b001101;
12'd2495 : mem_out_dec = 6'b001110;
12'd2496 : mem_out_dec = 6'b111111;
12'd2497 : mem_out_dec = 6'b111111;
12'd2498 : mem_out_dec = 6'b111111;
12'd2499 : mem_out_dec = 6'b111111;
12'd2500 : mem_out_dec = 6'b111111;
12'd2501 : mem_out_dec = 6'b111111;
12'd2502 : mem_out_dec = 6'b111111;
12'd2503 : mem_out_dec = 6'b111111;
12'd2504 : mem_out_dec = 6'b111111;
12'd2505 : mem_out_dec = 6'b111111;
12'd2506 : mem_out_dec = 6'b111111;
12'd2507 : mem_out_dec = 6'b111111;
12'd2508 : mem_out_dec = 6'b111111;
12'd2509 : mem_out_dec = 6'b111111;
12'd2510 : mem_out_dec = 6'b111111;
12'd2511 : mem_out_dec = 6'b111111;
12'd2512 : mem_out_dec = 6'b111111;
12'd2513 : mem_out_dec = 6'b111111;
12'd2514 : mem_out_dec = 6'b111111;
12'd2515 : mem_out_dec = 6'b111111;
12'd2516 : mem_out_dec = 6'b111111;
12'd2517 : mem_out_dec = 6'b111111;
12'd2518 : mem_out_dec = 6'b111111;
12'd2519 : mem_out_dec = 6'b111111;
12'd2520 : mem_out_dec = 6'b111111;
12'd2521 : mem_out_dec = 6'b111111;
12'd2522 : mem_out_dec = 6'b111111;
12'd2523 : mem_out_dec = 6'b111111;
12'd2524 : mem_out_dec = 6'b111111;
12'd2525 : mem_out_dec = 6'b111111;
12'd2526 : mem_out_dec = 6'b111111;
12'd2527 : mem_out_dec = 6'b111111;
12'd2528 : mem_out_dec = 6'b111111;
12'd2529 : mem_out_dec = 6'b111111;
12'd2530 : mem_out_dec = 6'b111111;
12'd2531 : mem_out_dec = 6'b111111;
12'd2532 : mem_out_dec = 6'b111111;
12'd2533 : mem_out_dec = 6'b111111;
12'd2534 : mem_out_dec = 6'b111111;
12'd2535 : mem_out_dec = 6'b111111;
12'd2536 : mem_out_dec = 6'b111111;
12'd2537 : mem_out_dec = 6'b111111;
12'd2538 : mem_out_dec = 6'b111111;
12'd2539 : mem_out_dec = 6'b111111;
12'd2540 : mem_out_dec = 6'b111111;
12'd2541 : mem_out_dec = 6'b000101;
12'd2542 : mem_out_dec = 6'b000110;
12'd2543 : mem_out_dec = 6'b000110;
12'd2544 : mem_out_dec = 6'b000110;
12'd2545 : mem_out_dec = 6'b000110;
12'd2546 : mem_out_dec = 6'b000101;
12'd2547 : mem_out_dec = 6'b000101;
12'd2548 : mem_out_dec = 6'b000110;
12'd2549 : mem_out_dec = 6'b000111;
12'd2550 : mem_out_dec = 6'b000111;
12'd2551 : mem_out_dec = 6'b001000;
12'd2552 : mem_out_dec = 6'b001000;
12'd2553 : mem_out_dec = 6'b001001;
12'd2554 : mem_out_dec = 6'b001010;
12'd2555 : mem_out_dec = 6'b001010;
12'd2556 : mem_out_dec = 6'b001011;
12'd2557 : mem_out_dec = 6'b001100;
12'd2558 : mem_out_dec = 6'b001101;
12'd2559 : mem_out_dec = 6'b001101;
12'd2560 : mem_out_dec = 6'b111111;
12'd2561 : mem_out_dec = 6'b111111;
12'd2562 : mem_out_dec = 6'b111111;
12'd2563 : mem_out_dec = 6'b111111;
12'd2564 : mem_out_dec = 6'b111111;
12'd2565 : mem_out_dec = 6'b111111;
12'd2566 : mem_out_dec = 6'b111111;
12'd2567 : mem_out_dec = 6'b111111;
12'd2568 : mem_out_dec = 6'b111111;
12'd2569 : mem_out_dec = 6'b111111;
12'd2570 : mem_out_dec = 6'b111111;
12'd2571 : mem_out_dec = 6'b111111;
12'd2572 : mem_out_dec = 6'b111111;
12'd2573 : mem_out_dec = 6'b111111;
12'd2574 : mem_out_dec = 6'b111111;
12'd2575 : mem_out_dec = 6'b111111;
12'd2576 : mem_out_dec = 6'b111111;
12'd2577 : mem_out_dec = 6'b111111;
12'd2578 : mem_out_dec = 6'b111111;
12'd2579 : mem_out_dec = 6'b111111;
12'd2580 : mem_out_dec = 6'b111111;
12'd2581 : mem_out_dec = 6'b111111;
12'd2582 : mem_out_dec = 6'b111111;
12'd2583 : mem_out_dec = 6'b111111;
12'd2584 : mem_out_dec = 6'b111111;
12'd2585 : mem_out_dec = 6'b111111;
12'd2586 : mem_out_dec = 6'b111111;
12'd2587 : mem_out_dec = 6'b111111;
12'd2588 : mem_out_dec = 6'b111111;
12'd2589 : mem_out_dec = 6'b111111;
12'd2590 : mem_out_dec = 6'b111111;
12'd2591 : mem_out_dec = 6'b111111;
12'd2592 : mem_out_dec = 6'b111111;
12'd2593 : mem_out_dec = 6'b111111;
12'd2594 : mem_out_dec = 6'b111111;
12'd2595 : mem_out_dec = 6'b111111;
12'd2596 : mem_out_dec = 6'b111111;
12'd2597 : mem_out_dec = 6'b111111;
12'd2598 : mem_out_dec = 6'b111111;
12'd2599 : mem_out_dec = 6'b111111;
12'd2600 : mem_out_dec = 6'b111111;
12'd2601 : mem_out_dec = 6'b111111;
12'd2602 : mem_out_dec = 6'b111111;
12'd2603 : mem_out_dec = 6'b111111;
12'd2604 : mem_out_dec = 6'b111111;
12'd2605 : mem_out_dec = 6'b111111;
12'd2606 : mem_out_dec = 6'b000100;
12'd2607 : mem_out_dec = 6'b000101;
12'd2608 : mem_out_dec = 6'b000100;
12'd2609 : mem_out_dec = 6'b000100;
12'd2610 : mem_out_dec = 6'b000100;
12'd2611 : mem_out_dec = 6'b000101;
12'd2612 : mem_out_dec = 6'b000101;
12'd2613 : mem_out_dec = 6'b000110;
12'd2614 : mem_out_dec = 6'b000111;
12'd2615 : mem_out_dec = 6'b000111;
12'd2616 : mem_out_dec = 6'b000111;
12'd2617 : mem_out_dec = 6'b001000;
12'd2618 : mem_out_dec = 6'b001001;
12'd2619 : mem_out_dec = 6'b001010;
12'd2620 : mem_out_dec = 6'b001010;
12'd2621 : mem_out_dec = 6'b001011;
12'd2622 : mem_out_dec = 6'b001100;
12'd2623 : mem_out_dec = 6'b001101;
12'd2624 : mem_out_dec = 6'b111111;
12'd2625 : mem_out_dec = 6'b111111;
12'd2626 : mem_out_dec = 6'b111111;
12'd2627 : mem_out_dec = 6'b111111;
12'd2628 : mem_out_dec = 6'b111111;
12'd2629 : mem_out_dec = 6'b111111;
12'd2630 : mem_out_dec = 6'b111111;
12'd2631 : mem_out_dec = 6'b111111;
12'd2632 : mem_out_dec = 6'b111111;
12'd2633 : mem_out_dec = 6'b111111;
12'd2634 : mem_out_dec = 6'b111111;
12'd2635 : mem_out_dec = 6'b111111;
12'd2636 : mem_out_dec = 6'b111111;
12'd2637 : mem_out_dec = 6'b111111;
12'd2638 : mem_out_dec = 6'b111111;
12'd2639 : mem_out_dec = 6'b111111;
12'd2640 : mem_out_dec = 6'b111111;
12'd2641 : mem_out_dec = 6'b111111;
12'd2642 : mem_out_dec = 6'b111111;
12'd2643 : mem_out_dec = 6'b111111;
12'd2644 : mem_out_dec = 6'b111111;
12'd2645 : mem_out_dec = 6'b111111;
12'd2646 : mem_out_dec = 6'b111111;
12'd2647 : mem_out_dec = 6'b111111;
12'd2648 : mem_out_dec = 6'b111111;
12'd2649 : mem_out_dec = 6'b111111;
12'd2650 : mem_out_dec = 6'b111111;
12'd2651 : mem_out_dec = 6'b111111;
12'd2652 : mem_out_dec = 6'b111111;
12'd2653 : mem_out_dec = 6'b111111;
12'd2654 : mem_out_dec = 6'b111111;
12'd2655 : mem_out_dec = 6'b111111;
12'd2656 : mem_out_dec = 6'b111111;
12'd2657 : mem_out_dec = 6'b111111;
12'd2658 : mem_out_dec = 6'b111111;
12'd2659 : mem_out_dec = 6'b111111;
12'd2660 : mem_out_dec = 6'b111111;
12'd2661 : mem_out_dec = 6'b111111;
12'd2662 : mem_out_dec = 6'b111111;
12'd2663 : mem_out_dec = 6'b111111;
12'd2664 : mem_out_dec = 6'b111111;
12'd2665 : mem_out_dec = 6'b111111;
12'd2666 : mem_out_dec = 6'b111111;
12'd2667 : mem_out_dec = 6'b111111;
12'd2668 : mem_out_dec = 6'b111111;
12'd2669 : mem_out_dec = 6'b111111;
12'd2670 : mem_out_dec = 6'b111111;
12'd2671 : mem_out_dec = 6'b000100;
12'd2672 : mem_out_dec = 6'b000011;
12'd2673 : mem_out_dec = 6'b000011;
12'd2674 : mem_out_dec = 6'b000100;
12'd2675 : mem_out_dec = 6'b000100;
12'd2676 : mem_out_dec = 6'b000101;
12'd2677 : mem_out_dec = 6'b000110;
12'd2678 : mem_out_dec = 6'b000110;
12'd2679 : mem_out_dec = 6'b000111;
12'd2680 : mem_out_dec = 6'b000111;
12'd2681 : mem_out_dec = 6'b001000;
12'd2682 : mem_out_dec = 6'b001001;
12'd2683 : mem_out_dec = 6'b001001;
12'd2684 : mem_out_dec = 6'b001010;
12'd2685 : mem_out_dec = 6'b001011;
12'd2686 : mem_out_dec = 6'b001100;
12'd2687 : mem_out_dec = 6'b001100;
12'd2688 : mem_out_dec = 6'b111111;
12'd2689 : mem_out_dec = 6'b111111;
12'd2690 : mem_out_dec = 6'b111111;
12'd2691 : mem_out_dec = 6'b111111;
12'd2692 : mem_out_dec = 6'b111111;
12'd2693 : mem_out_dec = 6'b111111;
12'd2694 : mem_out_dec = 6'b111111;
12'd2695 : mem_out_dec = 6'b111111;
12'd2696 : mem_out_dec = 6'b111111;
12'd2697 : mem_out_dec = 6'b111111;
12'd2698 : mem_out_dec = 6'b111111;
12'd2699 : mem_out_dec = 6'b111111;
12'd2700 : mem_out_dec = 6'b111111;
12'd2701 : mem_out_dec = 6'b111111;
12'd2702 : mem_out_dec = 6'b111111;
12'd2703 : mem_out_dec = 6'b111111;
12'd2704 : mem_out_dec = 6'b111111;
12'd2705 : mem_out_dec = 6'b111111;
12'd2706 : mem_out_dec = 6'b111111;
12'd2707 : mem_out_dec = 6'b111111;
12'd2708 : mem_out_dec = 6'b111111;
12'd2709 : mem_out_dec = 6'b111111;
12'd2710 : mem_out_dec = 6'b111111;
12'd2711 : mem_out_dec = 6'b111111;
12'd2712 : mem_out_dec = 6'b111111;
12'd2713 : mem_out_dec = 6'b111111;
12'd2714 : mem_out_dec = 6'b111111;
12'd2715 : mem_out_dec = 6'b111111;
12'd2716 : mem_out_dec = 6'b111111;
12'd2717 : mem_out_dec = 6'b111111;
12'd2718 : mem_out_dec = 6'b111111;
12'd2719 : mem_out_dec = 6'b111111;
12'd2720 : mem_out_dec = 6'b111111;
12'd2721 : mem_out_dec = 6'b111111;
12'd2722 : mem_out_dec = 6'b111111;
12'd2723 : mem_out_dec = 6'b111111;
12'd2724 : mem_out_dec = 6'b111111;
12'd2725 : mem_out_dec = 6'b111111;
12'd2726 : mem_out_dec = 6'b111111;
12'd2727 : mem_out_dec = 6'b111111;
12'd2728 : mem_out_dec = 6'b111111;
12'd2729 : mem_out_dec = 6'b111111;
12'd2730 : mem_out_dec = 6'b111111;
12'd2731 : mem_out_dec = 6'b111111;
12'd2732 : mem_out_dec = 6'b111111;
12'd2733 : mem_out_dec = 6'b111111;
12'd2734 : mem_out_dec = 6'b111111;
12'd2735 : mem_out_dec = 6'b111111;
12'd2736 : mem_out_dec = 6'b000011;
12'd2737 : mem_out_dec = 6'b000011;
12'd2738 : mem_out_dec = 6'b000100;
12'd2739 : mem_out_dec = 6'b000100;
12'd2740 : mem_out_dec = 6'b000101;
12'd2741 : mem_out_dec = 6'b000101;
12'd2742 : mem_out_dec = 6'b000110;
12'd2743 : mem_out_dec = 6'b000111;
12'd2744 : mem_out_dec = 6'b000111;
12'd2745 : mem_out_dec = 6'b001000;
12'd2746 : mem_out_dec = 6'b001000;
12'd2747 : mem_out_dec = 6'b001001;
12'd2748 : mem_out_dec = 6'b001010;
12'd2749 : mem_out_dec = 6'b001011;
12'd2750 : mem_out_dec = 6'b001011;
12'd2751 : mem_out_dec = 6'b001100;
12'd2752 : mem_out_dec = 6'b111111;
12'd2753 : mem_out_dec = 6'b111111;
12'd2754 : mem_out_dec = 6'b111111;
12'd2755 : mem_out_dec = 6'b111111;
12'd2756 : mem_out_dec = 6'b111111;
12'd2757 : mem_out_dec = 6'b111111;
12'd2758 : mem_out_dec = 6'b111111;
12'd2759 : mem_out_dec = 6'b111111;
12'd2760 : mem_out_dec = 6'b111111;
12'd2761 : mem_out_dec = 6'b111111;
12'd2762 : mem_out_dec = 6'b111111;
12'd2763 : mem_out_dec = 6'b111111;
12'd2764 : mem_out_dec = 6'b111111;
12'd2765 : mem_out_dec = 6'b111111;
12'd2766 : mem_out_dec = 6'b111111;
12'd2767 : mem_out_dec = 6'b111111;
12'd2768 : mem_out_dec = 6'b111111;
12'd2769 : mem_out_dec = 6'b111111;
12'd2770 : mem_out_dec = 6'b111111;
12'd2771 : mem_out_dec = 6'b111111;
12'd2772 : mem_out_dec = 6'b111111;
12'd2773 : mem_out_dec = 6'b111111;
12'd2774 : mem_out_dec = 6'b111111;
12'd2775 : mem_out_dec = 6'b111111;
12'd2776 : mem_out_dec = 6'b111111;
12'd2777 : mem_out_dec = 6'b111111;
12'd2778 : mem_out_dec = 6'b111111;
12'd2779 : mem_out_dec = 6'b111111;
12'd2780 : mem_out_dec = 6'b111111;
12'd2781 : mem_out_dec = 6'b111111;
12'd2782 : mem_out_dec = 6'b111111;
12'd2783 : mem_out_dec = 6'b111111;
12'd2784 : mem_out_dec = 6'b111111;
12'd2785 : mem_out_dec = 6'b111111;
12'd2786 : mem_out_dec = 6'b111111;
12'd2787 : mem_out_dec = 6'b111111;
12'd2788 : mem_out_dec = 6'b111111;
12'd2789 : mem_out_dec = 6'b111111;
12'd2790 : mem_out_dec = 6'b111111;
12'd2791 : mem_out_dec = 6'b111111;
12'd2792 : mem_out_dec = 6'b111111;
12'd2793 : mem_out_dec = 6'b111111;
12'd2794 : mem_out_dec = 6'b111111;
12'd2795 : mem_out_dec = 6'b111111;
12'd2796 : mem_out_dec = 6'b111111;
12'd2797 : mem_out_dec = 6'b111111;
12'd2798 : mem_out_dec = 6'b111111;
12'd2799 : mem_out_dec = 6'b111111;
12'd2800 : mem_out_dec = 6'b111111;
12'd2801 : mem_out_dec = 6'b000011;
12'd2802 : mem_out_dec = 6'b000011;
12'd2803 : mem_out_dec = 6'b000100;
12'd2804 : mem_out_dec = 6'b000101;
12'd2805 : mem_out_dec = 6'b000101;
12'd2806 : mem_out_dec = 6'b000110;
12'd2807 : mem_out_dec = 6'b000111;
12'd2808 : mem_out_dec = 6'b000111;
12'd2809 : mem_out_dec = 6'b000111;
12'd2810 : mem_out_dec = 6'b001000;
12'd2811 : mem_out_dec = 6'b001001;
12'd2812 : mem_out_dec = 6'b001010;
12'd2813 : mem_out_dec = 6'b001010;
12'd2814 : mem_out_dec = 6'b001011;
12'd2815 : mem_out_dec = 6'b001100;
12'd2816 : mem_out_dec = 6'b111111;
12'd2817 : mem_out_dec = 6'b111111;
12'd2818 : mem_out_dec = 6'b111111;
12'd2819 : mem_out_dec = 6'b111111;
12'd2820 : mem_out_dec = 6'b111111;
12'd2821 : mem_out_dec = 6'b111111;
12'd2822 : mem_out_dec = 6'b111111;
12'd2823 : mem_out_dec = 6'b111111;
12'd2824 : mem_out_dec = 6'b111111;
12'd2825 : mem_out_dec = 6'b111111;
12'd2826 : mem_out_dec = 6'b111111;
12'd2827 : mem_out_dec = 6'b111111;
12'd2828 : mem_out_dec = 6'b111111;
12'd2829 : mem_out_dec = 6'b111111;
12'd2830 : mem_out_dec = 6'b111111;
12'd2831 : mem_out_dec = 6'b111111;
12'd2832 : mem_out_dec = 6'b111111;
12'd2833 : mem_out_dec = 6'b111111;
12'd2834 : mem_out_dec = 6'b111111;
12'd2835 : mem_out_dec = 6'b111111;
12'd2836 : mem_out_dec = 6'b111111;
12'd2837 : mem_out_dec = 6'b111111;
12'd2838 : mem_out_dec = 6'b111111;
12'd2839 : mem_out_dec = 6'b111111;
12'd2840 : mem_out_dec = 6'b111111;
12'd2841 : mem_out_dec = 6'b111111;
12'd2842 : mem_out_dec = 6'b111111;
12'd2843 : mem_out_dec = 6'b111111;
12'd2844 : mem_out_dec = 6'b111111;
12'd2845 : mem_out_dec = 6'b111111;
12'd2846 : mem_out_dec = 6'b111111;
12'd2847 : mem_out_dec = 6'b111111;
12'd2848 : mem_out_dec = 6'b111111;
12'd2849 : mem_out_dec = 6'b111111;
12'd2850 : mem_out_dec = 6'b111111;
12'd2851 : mem_out_dec = 6'b111111;
12'd2852 : mem_out_dec = 6'b111111;
12'd2853 : mem_out_dec = 6'b111111;
12'd2854 : mem_out_dec = 6'b111111;
12'd2855 : mem_out_dec = 6'b111111;
12'd2856 : mem_out_dec = 6'b111111;
12'd2857 : mem_out_dec = 6'b111111;
12'd2858 : mem_out_dec = 6'b111111;
12'd2859 : mem_out_dec = 6'b111111;
12'd2860 : mem_out_dec = 6'b111111;
12'd2861 : mem_out_dec = 6'b111111;
12'd2862 : mem_out_dec = 6'b111111;
12'd2863 : mem_out_dec = 6'b111111;
12'd2864 : mem_out_dec = 6'b111111;
12'd2865 : mem_out_dec = 6'b111111;
12'd2866 : mem_out_dec = 6'b000011;
12'd2867 : mem_out_dec = 6'b000100;
12'd2868 : mem_out_dec = 6'b000100;
12'd2869 : mem_out_dec = 6'b000101;
12'd2870 : mem_out_dec = 6'b000110;
12'd2871 : mem_out_dec = 6'b000110;
12'd2872 : mem_out_dec = 6'b000110;
12'd2873 : mem_out_dec = 6'b000111;
12'd2874 : mem_out_dec = 6'b001000;
12'd2875 : mem_out_dec = 6'b001001;
12'd2876 : mem_out_dec = 6'b001001;
12'd2877 : mem_out_dec = 6'b001010;
12'd2878 : mem_out_dec = 6'b001011;
12'd2879 : mem_out_dec = 6'b001100;
12'd2880 : mem_out_dec = 6'b111111;
12'd2881 : mem_out_dec = 6'b111111;
12'd2882 : mem_out_dec = 6'b111111;
12'd2883 : mem_out_dec = 6'b111111;
12'd2884 : mem_out_dec = 6'b111111;
12'd2885 : mem_out_dec = 6'b111111;
12'd2886 : mem_out_dec = 6'b111111;
12'd2887 : mem_out_dec = 6'b111111;
12'd2888 : mem_out_dec = 6'b111111;
12'd2889 : mem_out_dec = 6'b111111;
12'd2890 : mem_out_dec = 6'b111111;
12'd2891 : mem_out_dec = 6'b111111;
12'd2892 : mem_out_dec = 6'b111111;
12'd2893 : mem_out_dec = 6'b111111;
12'd2894 : mem_out_dec = 6'b111111;
12'd2895 : mem_out_dec = 6'b111111;
12'd2896 : mem_out_dec = 6'b111111;
12'd2897 : mem_out_dec = 6'b111111;
12'd2898 : mem_out_dec = 6'b111111;
12'd2899 : mem_out_dec = 6'b111111;
12'd2900 : mem_out_dec = 6'b111111;
12'd2901 : mem_out_dec = 6'b111111;
12'd2902 : mem_out_dec = 6'b111111;
12'd2903 : mem_out_dec = 6'b111111;
12'd2904 : mem_out_dec = 6'b111111;
12'd2905 : mem_out_dec = 6'b111111;
12'd2906 : mem_out_dec = 6'b111111;
12'd2907 : mem_out_dec = 6'b111111;
12'd2908 : mem_out_dec = 6'b111111;
12'd2909 : mem_out_dec = 6'b111111;
12'd2910 : mem_out_dec = 6'b111111;
12'd2911 : mem_out_dec = 6'b111111;
12'd2912 : mem_out_dec = 6'b111111;
12'd2913 : mem_out_dec = 6'b111111;
12'd2914 : mem_out_dec = 6'b111111;
12'd2915 : mem_out_dec = 6'b111111;
12'd2916 : mem_out_dec = 6'b111111;
12'd2917 : mem_out_dec = 6'b111111;
12'd2918 : mem_out_dec = 6'b111111;
12'd2919 : mem_out_dec = 6'b111111;
12'd2920 : mem_out_dec = 6'b111111;
12'd2921 : mem_out_dec = 6'b111111;
12'd2922 : mem_out_dec = 6'b111111;
12'd2923 : mem_out_dec = 6'b111111;
12'd2924 : mem_out_dec = 6'b111111;
12'd2925 : mem_out_dec = 6'b111111;
12'd2926 : mem_out_dec = 6'b111111;
12'd2927 : mem_out_dec = 6'b111111;
12'd2928 : mem_out_dec = 6'b111111;
12'd2929 : mem_out_dec = 6'b111111;
12'd2930 : mem_out_dec = 6'b111111;
12'd2931 : mem_out_dec = 6'b000100;
12'd2932 : mem_out_dec = 6'b000100;
12'd2933 : mem_out_dec = 6'b000101;
12'd2934 : mem_out_dec = 6'b000101;
12'd2935 : mem_out_dec = 6'b000110;
12'd2936 : mem_out_dec = 6'b000110;
12'd2937 : mem_out_dec = 6'b000111;
12'd2938 : mem_out_dec = 6'b001000;
12'd2939 : mem_out_dec = 6'b001000;
12'd2940 : mem_out_dec = 6'b001001;
12'd2941 : mem_out_dec = 6'b001010;
12'd2942 : mem_out_dec = 6'b001011;
12'd2943 : mem_out_dec = 6'b001011;
12'd2944 : mem_out_dec = 6'b111111;
12'd2945 : mem_out_dec = 6'b111111;
12'd2946 : mem_out_dec = 6'b111111;
12'd2947 : mem_out_dec = 6'b111111;
12'd2948 : mem_out_dec = 6'b111111;
12'd2949 : mem_out_dec = 6'b111111;
12'd2950 : mem_out_dec = 6'b111111;
12'd2951 : mem_out_dec = 6'b111111;
12'd2952 : mem_out_dec = 6'b111111;
12'd2953 : mem_out_dec = 6'b111111;
12'd2954 : mem_out_dec = 6'b111111;
12'd2955 : mem_out_dec = 6'b111111;
12'd2956 : mem_out_dec = 6'b111111;
12'd2957 : mem_out_dec = 6'b111111;
12'd2958 : mem_out_dec = 6'b111111;
12'd2959 : mem_out_dec = 6'b111111;
12'd2960 : mem_out_dec = 6'b111111;
12'd2961 : mem_out_dec = 6'b111111;
12'd2962 : mem_out_dec = 6'b111111;
12'd2963 : mem_out_dec = 6'b111111;
12'd2964 : mem_out_dec = 6'b111111;
12'd2965 : mem_out_dec = 6'b111111;
12'd2966 : mem_out_dec = 6'b111111;
12'd2967 : mem_out_dec = 6'b111111;
12'd2968 : mem_out_dec = 6'b111111;
12'd2969 : mem_out_dec = 6'b111111;
12'd2970 : mem_out_dec = 6'b111111;
12'd2971 : mem_out_dec = 6'b111111;
12'd2972 : mem_out_dec = 6'b111111;
12'd2973 : mem_out_dec = 6'b111111;
12'd2974 : mem_out_dec = 6'b111111;
12'd2975 : mem_out_dec = 6'b111111;
12'd2976 : mem_out_dec = 6'b111111;
12'd2977 : mem_out_dec = 6'b111111;
12'd2978 : mem_out_dec = 6'b111111;
12'd2979 : mem_out_dec = 6'b111111;
12'd2980 : mem_out_dec = 6'b111111;
12'd2981 : mem_out_dec = 6'b111111;
12'd2982 : mem_out_dec = 6'b111111;
12'd2983 : mem_out_dec = 6'b111111;
12'd2984 : mem_out_dec = 6'b111111;
12'd2985 : mem_out_dec = 6'b111111;
12'd2986 : mem_out_dec = 6'b111111;
12'd2987 : mem_out_dec = 6'b111111;
12'd2988 : mem_out_dec = 6'b111111;
12'd2989 : mem_out_dec = 6'b111111;
12'd2990 : mem_out_dec = 6'b111111;
12'd2991 : mem_out_dec = 6'b111111;
12'd2992 : mem_out_dec = 6'b111111;
12'd2993 : mem_out_dec = 6'b111111;
12'd2994 : mem_out_dec = 6'b111111;
12'd2995 : mem_out_dec = 6'b111111;
12'd2996 : mem_out_dec = 6'b000100;
12'd2997 : mem_out_dec = 6'b000101;
12'd2998 : mem_out_dec = 6'b000101;
12'd2999 : mem_out_dec = 6'b000110;
12'd3000 : mem_out_dec = 6'b000110;
12'd3001 : mem_out_dec = 6'b000111;
12'd3002 : mem_out_dec = 6'b000111;
12'd3003 : mem_out_dec = 6'b001000;
12'd3004 : mem_out_dec = 6'b001001;
12'd3005 : mem_out_dec = 6'b001010;
12'd3006 : mem_out_dec = 6'b001010;
12'd3007 : mem_out_dec = 6'b001011;
12'd3008 : mem_out_dec = 6'b111111;
12'd3009 : mem_out_dec = 6'b111111;
12'd3010 : mem_out_dec = 6'b111111;
12'd3011 : mem_out_dec = 6'b111111;
12'd3012 : mem_out_dec = 6'b111111;
12'd3013 : mem_out_dec = 6'b111111;
12'd3014 : mem_out_dec = 6'b111111;
12'd3015 : mem_out_dec = 6'b111111;
12'd3016 : mem_out_dec = 6'b111111;
12'd3017 : mem_out_dec = 6'b111111;
12'd3018 : mem_out_dec = 6'b111111;
12'd3019 : mem_out_dec = 6'b111111;
12'd3020 : mem_out_dec = 6'b111111;
12'd3021 : mem_out_dec = 6'b111111;
12'd3022 : mem_out_dec = 6'b111111;
12'd3023 : mem_out_dec = 6'b111111;
12'd3024 : mem_out_dec = 6'b111111;
12'd3025 : mem_out_dec = 6'b111111;
12'd3026 : mem_out_dec = 6'b111111;
12'd3027 : mem_out_dec = 6'b111111;
12'd3028 : mem_out_dec = 6'b111111;
12'd3029 : mem_out_dec = 6'b111111;
12'd3030 : mem_out_dec = 6'b111111;
12'd3031 : mem_out_dec = 6'b111111;
12'd3032 : mem_out_dec = 6'b111111;
12'd3033 : mem_out_dec = 6'b111111;
12'd3034 : mem_out_dec = 6'b111111;
12'd3035 : mem_out_dec = 6'b111111;
12'd3036 : mem_out_dec = 6'b111111;
12'd3037 : mem_out_dec = 6'b111111;
12'd3038 : mem_out_dec = 6'b111111;
12'd3039 : mem_out_dec = 6'b111111;
12'd3040 : mem_out_dec = 6'b111111;
12'd3041 : mem_out_dec = 6'b111111;
12'd3042 : mem_out_dec = 6'b111111;
12'd3043 : mem_out_dec = 6'b111111;
12'd3044 : mem_out_dec = 6'b111111;
12'd3045 : mem_out_dec = 6'b111111;
12'd3046 : mem_out_dec = 6'b111111;
12'd3047 : mem_out_dec = 6'b111111;
12'd3048 : mem_out_dec = 6'b111111;
12'd3049 : mem_out_dec = 6'b111111;
12'd3050 : mem_out_dec = 6'b111111;
12'd3051 : mem_out_dec = 6'b111111;
12'd3052 : mem_out_dec = 6'b111111;
12'd3053 : mem_out_dec = 6'b111111;
12'd3054 : mem_out_dec = 6'b111111;
12'd3055 : mem_out_dec = 6'b111111;
12'd3056 : mem_out_dec = 6'b111111;
12'd3057 : mem_out_dec = 6'b111111;
12'd3058 : mem_out_dec = 6'b111111;
12'd3059 : mem_out_dec = 6'b111111;
12'd3060 : mem_out_dec = 6'b111111;
12'd3061 : mem_out_dec = 6'b000100;
12'd3062 : mem_out_dec = 6'b000101;
12'd3063 : mem_out_dec = 6'b000110;
12'd3064 : mem_out_dec = 6'b000110;
12'd3065 : mem_out_dec = 6'b000111;
12'd3066 : mem_out_dec = 6'b000111;
12'd3067 : mem_out_dec = 6'b001000;
12'd3068 : mem_out_dec = 6'b001001;
12'd3069 : mem_out_dec = 6'b001001;
12'd3070 : mem_out_dec = 6'b001010;
12'd3071 : mem_out_dec = 6'b001011;
12'd3072 : mem_out_dec = 6'b111111;
12'd3073 : mem_out_dec = 6'b111111;
12'd3074 : mem_out_dec = 6'b111111;
12'd3075 : mem_out_dec = 6'b111111;
12'd3076 : mem_out_dec = 6'b111111;
12'd3077 : mem_out_dec = 6'b111111;
12'd3078 : mem_out_dec = 6'b111111;
12'd3079 : mem_out_dec = 6'b111111;
12'd3080 : mem_out_dec = 6'b111111;
12'd3081 : mem_out_dec = 6'b111111;
12'd3082 : mem_out_dec = 6'b111111;
12'd3083 : mem_out_dec = 6'b111111;
12'd3084 : mem_out_dec = 6'b111111;
12'd3085 : mem_out_dec = 6'b111111;
12'd3086 : mem_out_dec = 6'b111111;
12'd3087 : mem_out_dec = 6'b111111;
12'd3088 : mem_out_dec = 6'b111111;
12'd3089 : mem_out_dec = 6'b111111;
12'd3090 : mem_out_dec = 6'b111111;
12'd3091 : mem_out_dec = 6'b111111;
12'd3092 : mem_out_dec = 6'b111111;
12'd3093 : mem_out_dec = 6'b111111;
12'd3094 : mem_out_dec = 6'b111111;
12'd3095 : mem_out_dec = 6'b111111;
12'd3096 : mem_out_dec = 6'b111111;
12'd3097 : mem_out_dec = 6'b111111;
12'd3098 : mem_out_dec = 6'b111111;
12'd3099 : mem_out_dec = 6'b111111;
12'd3100 : mem_out_dec = 6'b111111;
12'd3101 : mem_out_dec = 6'b111111;
12'd3102 : mem_out_dec = 6'b111111;
12'd3103 : mem_out_dec = 6'b111111;
12'd3104 : mem_out_dec = 6'b111111;
12'd3105 : mem_out_dec = 6'b111111;
12'd3106 : mem_out_dec = 6'b111111;
12'd3107 : mem_out_dec = 6'b111111;
12'd3108 : mem_out_dec = 6'b111111;
12'd3109 : mem_out_dec = 6'b111111;
12'd3110 : mem_out_dec = 6'b111111;
12'd3111 : mem_out_dec = 6'b111111;
12'd3112 : mem_out_dec = 6'b111111;
12'd3113 : mem_out_dec = 6'b111111;
12'd3114 : mem_out_dec = 6'b111111;
12'd3115 : mem_out_dec = 6'b111111;
12'd3116 : mem_out_dec = 6'b111111;
12'd3117 : mem_out_dec = 6'b111111;
12'd3118 : mem_out_dec = 6'b111111;
12'd3119 : mem_out_dec = 6'b111111;
12'd3120 : mem_out_dec = 6'b111111;
12'd3121 : mem_out_dec = 6'b111111;
12'd3122 : mem_out_dec = 6'b111111;
12'd3123 : mem_out_dec = 6'b111111;
12'd3124 : mem_out_dec = 6'b111111;
12'd3125 : mem_out_dec = 6'b111111;
12'd3126 : mem_out_dec = 6'b000100;
12'd3127 : mem_out_dec = 6'b000101;
12'd3128 : mem_out_dec = 6'b000101;
12'd3129 : mem_out_dec = 6'b000110;
12'd3130 : mem_out_dec = 6'b000110;
12'd3131 : mem_out_dec = 6'b000111;
12'd3132 : mem_out_dec = 6'b001000;
12'd3133 : mem_out_dec = 6'b001000;
12'd3134 : mem_out_dec = 6'b001001;
12'd3135 : mem_out_dec = 6'b001010;
12'd3136 : mem_out_dec = 6'b111111;
12'd3137 : mem_out_dec = 6'b111111;
12'd3138 : mem_out_dec = 6'b111111;
12'd3139 : mem_out_dec = 6'b111111;
12'd3140 : mem_out_dec = 6'b111111;
12'd3141 : mem_out_dec = 6'b111111;
12'd3142 : mem_out_dec = 6'b111111;
12'd3143 : mem_out_dec = 6'b111111;
12'd3144 : mem_out_dec = 6'b111111;
12'd3145 : mem_out_dec = 6'b111111;
12'd3146 : mem_out_dec = 6'b111111;
12'd3147 : mem_out_dec = 6'b111111;
12'd3148 : mem_out_dec = 6'b111111;
12'd3149 : mem_out_dec = 6'b111111;
12'd3150 : mem_out_dec = 6'b111111;
12'd3151 : mem_out_dec = 6'b111111;
12'd3152 : mem_out_dec = 6'b111111;
12'd3153 : mem_out_dec = 6'b111111;
12'd3154 : mem_out_dec = 6'b111111;
12'd3155 : mem_out_dec = 6'b111111;
12'd3156 : mem_out_dec = 6'b111111;
12'd3157 : mem_out_dec = 6'b111111;
12'd3158 : mem_out_dec = 6'b111111;
12'd3159 : mem_out_dec = 6'b111111;
12'd3160 : mem_out_dec = 6'b111111;
12'd3161 : mem_out_dec = 6'b111111;
12'd3162 : mem_out_dec = 6'b111111;
12'd3163 : mem_out_dec = 6'b111111;
12'd3164 : mem_out_dec = 6'b111111;
12'd3165 : mem_out_dec = 6'b111111;
12'd3166 : mem_out_dec = 6'b111111;
12'd3167 : mem_out_dec = 6'b111111;
12'd3168 : mem_out_dec = 6'b111111;
12'd3169 : mem_out_dec = 6'b111111;
12'd3170 : mem_out_dec = 6'b111111;
12'd3171 : mem_out_dec = 6'b111111;
12'd3172 : mem_out_dec = 6'b111111;
12'd3173 : mem_out_dec = 6'b111111;
12'd3174 : mem_out_dec = 6'b111111;
12'd3175 : mem_out_dec = 6'b111111;
12'd3176 : mem_out_dec = 6'b111111;
12'd3177 : mem_out_dec = 6'b111111;
12'd3178 : mem_out_dec = 6'b111111;
12'd3179 : mem_out_dec = 6'b111111;
12'd3180 : mem_out_dec = 6'b111111;
12'd3181 : mem_out_dec = 6'b111111;
12'd3182 : mem_out_dec = 6'b111111;
12'd3183 : mem_out_dec = 6'b111111;
12'd3184 : mem_out_dec = 6'b111111;
12'd3185 : mem_out_dec = 6'b111111;
12'd3186 : mem_out_dec = 6'b111111;
12'd3187 : mem_out_dec = 6'b111111;
12'd3188 : mem_out_dec = 6'b111111;
12'd3189 : mem_out_dec = 6'b111111;
12'd3190 : mem_out_dec = 6'b111111;
12'd3191 : mem_out_dec = 6'b000100;
12'd3192 : mem_out_dec = 6'b000100;
12'd3193 : mem_out_dec = 6'b000101;
12'd3194 : mem_out_dec = 6'b000110;
12'd3195 : mem_out_dec = 6'b000110;
12'd3196 : mem_out_dec = 6'b000111;
12'd3197 : mem_out_dec = 6'b001000;
12'd3198 : mem_out_dec = 6'b001000;
12'd3199 : mem_out_dec = 6'b001001;
12'd3200 : mem_out_dec = 6'b111111;
12'd3201 : mem_out_dec = 6'b111111;
12'd3202 : mem_out_dec = 6'b111111;
12'd3203 : mem_out_dec = 6'b111111;
12'd3204 : mem_out_dec = 6'b111111;
12'd3205 : mem_out_dec = 6'b111111;
12'd3206 : mem_out_dec = 6'b111111;
12'd3207 : mem_out_dec = 6'b111111;
12'd3208 : mem_out_dec = 6'b111111;
12'd3209 : mem_out_dec = 6'b111111;
12'd3210 : mem_out_dec = 6'b111111;
12'd3211 : mem_out_dec = 6'b111111;
12'd3212 : mem_out_dec = 6'b111111;
12'd3213 : mem_out_dec = 6'b111111;
12'd3214 : mem_out_dec = 6'b111111;
12'd3215 : mem_out_dec = 6'b111111;
12'd3216 : mem_out_dec = 6'b111111;
12'd3217 : mem_out_dec = 6'b111111;
12'd3218 : mem_out_dec = 6'b111111;
12'd3219 : mem_out_dec = 6'b111111;
12'd3220 : mem_out_dec = 6'b111111;
12'd3221 : mem_out_dec = 6'b111111;
12'd3222 : mem_out_dec = 6'b111111;
12'd3223 : mem_out_dec = 6'b111111;
12'd3224 : mem_out_dec = 6'b111111;
12'd3225 : mem_out_dec = 6'b111111;
12'd3226 : mem_out_dec = 6'b111111;
12'd3227 : mem_out_dec = 6'b111111;
12'd3228 : mem_out_dec = 6'b111111;
12'd3229 : mem_out_dec = 6'b111111;
12'd3230 : mem_out_dec = 6'b111111;
12'd3231 : mem_out_dec = 6'b111111;
12'd3232 : mem_out_dec = 6'b111111;
12'd3233 : mem_out_dec = 6'b111111;
12'd3234 : mem_out_dec = 6'b111111;
12'd3235 : mem_out_dec = 6'b111111;
12'd3236 : mem_out_dec = 6'b111111;
12'd3237 : mem_out_dec = 6'b111111;
12'd3238 : mem_out_dec = 6'b111111;
12'd3239 : mem_out_dec = 6'b111111;
12'd3240 : mem_out_dec = 6'b111111;
12'd3241 : mem_out_dec = 6'b111111;
12'd3242 : mem_out_dec = 6'b111111;
12'd3243 : mem_out_dec = 6'b111111;
12'd3244 : mem_out_dec = 6'b111111;
12'd3245 : mem_out_dec = 6'b111111;
12'd3246 : mem_out_dec = 6'b111111;
12'd3247 : mem_out_dec = 6'b111111;
12'd3248 : mem_out_dec = 6'b111111;
12'd3249 : mem_out_dec = 6'b111111;
12'd3250 : mem_out_dec = 6'b111111;
12'd3251 : mem_out_dec = 6'b111111;
12'd3252 : mem_out_dec = 6'b111111;
12'd3253 : mem_out_dec = 6'b111111;
12'd3254 : mem_out_dec = 6'b111111;
12'd3255 : mem_out_dec = 6'b111111;
12'd3256 : mem_out_dec = 6'b000100;
12'd3257 : mem_out_dec = 6'b000100;
12'd3258 : mem_out_dec = 6'b000101;
12'd3259 : mem_out_dec = 6'b000110;
12'd3260 : mem_out_dec = 6'b000110;
12'd3261 : mem_out_dec = 6'b000111;
12'd3262 : mem_out_dec = 6'b001000;
12'd3263 : mem_out_dec = 6'b001001;
12'd3264 : mem_out_dec = 6'b111111;
12'd3265 : mem_out_dec = 6'b111111;
12'd3266 : mem_out_dec = 6'b111111;
12'd3267 : mem_out_dec = 6'b111111;
12'd3268 : mem_out_dec = 6'b111111;
12'd3269 : mem_out_dec = 6'b111111;
12'd3270 : mem_out_dec = 6'b111111;
12'd3271 : mem_out_dec = 6'b111111;
12'd3272 : mem_out_dec = 6'b111111;
12'd3273 : mem_out_dec = 6'b111111;
12'd3274 : mem_out_dec = 6'b111111;
12'd3275 : mem_out_dec = 6'b111111;
12'd3276 : mem_out_dec = 6'b111111;
12'd3277 : mem_out_dec = 6'b111111;
12'd3278 : mem_out_dec = 6'b111111;
12'd3279 : mem_out_dec = 6'b111111;
12'd3280 : mem_out_dec = 6'b111111;
12'd3281 : mem_out_dec = 6'b111111;
12'd3282 : mem_out_dec = 6'b111111;
12'd3283 : mem_out_dec = 6'b111111;
12'd3284 : mem_out_dec = 6'b111111;
12'd3285 : mem_out_dec = 6'b111111;
12'd3286 : mem_out_dec = 6'b111111;
12'd3287 : mem_out_dec = 6'b111111;
12'd3288 : mem_out_dec = 6'b111111;
12'd3289 : mem_out_dec = 6'b111111;
12'd3290 : mem_out_dec = 6'b111111;
12'd3291 : mem_out_dec = 6'b111111;
12'd3292 : mem_out_dec = 6'b111111;
12'd3293 : mem_out_dec = 6'b111111;
12'd3294 : mem_out_dec = 6'b111111;
12'd3295 : mem_out_dec = 6'b111111;
12'd3296 : mem_out_dec = 6'b111111;
12'd3297 : mem_out_dec = 6'b111111;
12'd3298 : mem_out_dec = 6'b111111;
12'd3299 : mem_out_dec = 6'b111111;
12'd3300 : mem_out_dec = 6'b111111;
12'd3301 : mem_out_dec = 6'b111111;
12'd3302 : mem_out_dec = 6'b111111;
12'd3303 : mem_out_dec = 6'b111111;
12'd3304 : mem_out_dec = 6'b111111;
12'd3305 : mem_out_dec = 6'b111111;
12'd3306 : mem_out_dec = 6'b111111;
12'd3307 : mem_out_dec = 6'b111111;
12'd3308 : mem_out_dec = 6'b111111;
12'd3309 : mem_out_dec = 6'b111111;
12'd3310 : mem_out_dec = 6'b111111;
12'd3311 : mem_out_dec = 6'b111111;
12'd3312 : mem_out_dec = 6'b111111;
12'd3313 : mem_out_dec = 6'b111111;
12'd3314 : mem_out_dec = 6'b111111;
12'd3315 : mem_out_dec = 6'b111111;
12'd3316 : mem_out_dec = 6'b111111;
12'd3317 : mem_out_dec = 6'b111111;
12'd3318 : mem_out_dec = 6'b111111;
12'd3319 : mem_out_dec = 6'b111111;
12'd3320 : mem_out_dec = 6'b111111;
12'd3321 : mem_out_dec = 6'b000100;
12'd3322 : mem_out_dec = 6'b000100;
12'd3323 : mem_out_dec = 6'b000101;
12'd3324 : mem_out_dec = 6'b000110;
12'd3325 : mem_out_dec = 6'b000111;
12'd3326 : mem_out_dec = 6'b001000;
12'd3327 : mem_out_dec = 6'b001000;
12'd3328 : mem_out_dec = 6'b111111;
12'd3329 : mem_out_dec = 6'b111111;
12'd3330 : mem_out_dec = 6'b111111;
12'd3331 : mem_out_dec = 6'b111111;
12'd3332 : mem_out_dec = 6'b111111;
12'd3333 : mem_out_dec = 6'b111111;
12'd3334 : mem_out_dec = 6'b111111;
12'd3335 : mem_out_dec = 6'b111111;
12'd3336 : mem_out_dec = 6'b111111;
12'd3337 : mem_out_dec = 6'b111111;
12'd3338 : mem_out_dec = 6'b111111;
12'd3339 : mem_out_dec = 6'b111111;
12'd3340 : mem_out_dec = 6'b111111;
12'd3341 : mem_out_dec = 6'b111111;
12'd3342 : mem_out_dec = 6'b111111;
12'd3343 : mem_out_dec = 6'b111111;
12'd3344 : mem_out_dec = 6'b111111;
12'd3345 : mem_out_dec = 6'b111111;
12'd3346 : mem_out_dec = 6'b111111;
12'd3347 : mem_out_dec = 6'b111111;
12'd3348 : mem_out_dec = 6'b111111;
12'd3349 : mem_out_dec = 6'b111111;
12'd3350 : mem_out_dec = 6'b111111;
12'd3351 : mem_out_dec = 6'b111111;
12'd3352 : mem_out_dec = 6'b111111;
12'd3353 : mem_out_dec = 6'b111111;
12'd3354 : mem_out_dec = 6'b111111;
12'd3355 : mem_out_dec = 6'b111111;
12'd3356 : mem_out_dec = 6'b111111;
12'd3357 : mem_out_dec = 6'b111111;
12'd3358 : mem_out_dec = 6'b111111;
12'd3359 : mem_out_dec = 6'b111111;
12'd3360 : mem_out_dec = 6'b111111;
12'd3361 : mem_out_dec = 6'b111111;
12'd3362 : mem_out_dec = 6'b111111;
12'd3363 : mem_out_dec = 6'b111111;
12'd3364 : mem_out_dec = 6'b111111;
12'd3365 : mem_out_dec = 6'b111111;
12'd3366 : mem_out_dec = 6'b111111;
12'd3367 : mem_out_dec = 6'b111111;
12'd3368 : mem_out_dec = 6'b111111;
12'd3369 : mem_out_dec = 6'b111111;
12'd3370 : mem_out_dec = 6'b111111;
12'd3371 : mem_out_dec = 6'b111111;
12'd3372 : mem_out_dec = 6'b111111;
12'd3373 : mem_out_dec = 6'b111111;
12'd3374 : mem_out_dec = 6'b111111;
12'd3375 : mem_out_dec = 6'b111111;
12'd3376 : mem_out_dec = 6'b111111;
12'd3377 : mem_out_dec = 6'b111111;
12'd3378 : mem_out_dec = 6'b111111;
12'd3379 : mem_out_dec = 6'b111111;
12'd3380 : mem_out_dec = 6'b111111;
12'd3381 : mem_out_dec = 6'b111111;
12'd3382 : mem_out_dec = 6'b111111;
12'd3383 : mem_out_dec = 6'b111111;
12'd3384 : mem_out_dec = 6'b111111;
12'd3385 : mem_out_dec = 6'b111111;
12'd3386 : mem_out_dec = 6'b000100;
12'd3387 : mem_out_dec = 6'b000101;
12'd3388 : mem_out_dec = 6'b000110;
12'd3389 : mem_out_dec = 6'b000110;
12'd3390 : mem_out_dec = 6'b000111;
12'd3391 : mem_out_dec = 6'b001000;
12'd3392 : mem_out_dec = 6'b111111;
12'd3393 : mem_out_dec = 6'b111111;
12'd3394 : mem_out_dec = 6'b111111;
12'd3395 : mem_out_dec = 6'b111111;
12'd3396 : mem_out_dec = 6'b111111;
12'd3397 : mem_out_dec = 6'b111111;
12'd3398 : mem_out_dec = 6'b111111;
12'd3399 : mem_out_dec = 6'b111111;
12'd3400 : mem_out_dec = 6'b111111;
12'd3401 : mem_out_dec = 6'b111111;
12'd3402 : mem_out_dec = 6'b111111;
12'd3403 : mem_out_dec = 6'b111111;
12'd3404 : mem_out_dec = 6'b111111;
12'd3405 : mem_out_dec = 6'b111111;
12'd3406 : mem_out_dec = 6'b111111;
12'd3407 : mem_out_dec = 6'b111111;
12'd3408 : mem_out_dec = 6'b111111;
12'd3409 : mem_out_dec = 6'b111111;
12'd3410 : mem_out_dec = 6'b111111;
12'd3411 : mem_out_dec = 6'b111111;
12'd3412 : mem_out_dec = 6'b111111;
12'd3413 : mem_out_dec = 6'b111111;
12'd3414 : mem_out_dec = 6'b111111;
12'd3415 : mem_out_dec = 6'b111111;
12'd3416 : mem_out_dec = 6'b111111;
12'd3417 : mem_out_dec = 6'b111111;
12'd3418 : mem_out_dec = 6'b111111;
12'd3419 : mem_out_dec = 6'b111111;
12'd3420 : mem_out_dec = 6'b111111;
12'd3421 : mem_out_dec = 6'b111111;
12'd3422 : mem_out_dec = 6'b111111;
12'd3423 : mem_out_dec = 6'b111111;
12'd3424 : mem_out_dec = 6'b111111;
12'd3425 : mem_out_dec = 6'b111111;
12'd3426 : mem_out_dec = 6'b111111;
12'd3427 : mem_out_dec = 6'b111111;
12'd3428 : mem_out_dec = 6'b111111;
12'd3429 : mem_out_dec = 6'b111111;
12'd3430 : mem_out_dec = 6'b111111;
12'd3431 : mem_out_dec = 6'b111111;
12'd3432 : mem_out_dec = 6'b111111;
12'd3433 : mem_out_dec = 6'b111111;
12'd3434 : mem_out_dec = 6'b111111;
12'd3435 : mem_out_dec = 6'b111111;
12'd3436 : mem_out_dec = 6'b111111;
12'd3437 : mem_out_dec = 6'b111111;
12'd3438 : mem_out_dec = 6'b111111;
12'd3439 : mem_out_dec = 6'b111111;
12'd3440 : mem_out_dec = 6'b111111;
12'd3441 : mem_out_dec = 6'b111111;
12'd3442 : mem_out_dec = 6'b111111;
12'd3443 : mem_out_dec = 6'b111111;
12'd3444 : mem_out_dec = 6'b111111;
12'd3445 : mem_out_dec = 6'b111111;
12'd3446 : mem_out_dec = 6'b111111;
12'd3447 : mem_out_dec = 6'b111111;
12'd3448 : mem_out_dec = 6'b111111;
12'd3449 : mem_out_dec = 6'b111111;
12'd3450 : mem_out_dec = 6'b111111;
12'd3451 : mem_out_dec = 6'b000100;
12'd3452 : mem_out_dec = 6'b000101;
12'd3453 : mem_out_dec = 6'b000110;
12'd3454 : mem_out_dec = 6'b000111;
12'd3455 : mem_out_dec = 6'b001000;
12'd3456 : mem_out_dec = 6'b111111;
12'd3457 : mem_out_dec = 6'b111111;
12'd3458 : mem_out_dec = 6'b111111;
12'd3459 : mem_out_dec = 6'b111111;
12'd3460 : mem_out_dec = 6'b111111;
12'd3461 : mem_out_dec = 6'b111111;
12'd3462 : mem_out_dec = 6'b111111;
12'd3463 : mem_out_dec = 6'b111111;
12'd3464 : mem_out_dec = 6'b111111;
12'd3465 : mem_out_dec = 6'b111111;
12'd3466 : mem_out_dec = 6'b111111;
12'd3467 : mem_out_dec = 6'b111111;
12'd3468 : mem_out_dec = 6'b111111;
12'd3469 : mem_out_dec = 6'b111111;
12'd3470 : mem_out_dec = 6'b111111;
12'd3471 : mem_out_dec = 6'b111111;
12'd3472 : mem_out_dec = 6'b111111;
12'd3473 : mem_out_dec = 6'b111111;
12'd3474 : mem_out_dec = 6'b111111;
12'd3475 : mem_out_dec = 6'b111111;
12'd3476 : mem_out_dec = 6'b111111;
12'd3477 : mem_out_dec = 6'b111111;
12'd3478 : mem_out_dec = 6'b111111;
12'd3479 : mem_out_dec = 6'b111111;
12'd3480 : mem_out_dec = 6'b111111;
12'd3481 : mem_out_dec = 6'b111111;
12'd3482 : mem_out_dec = 6'b111111;
12'd3483 : mem_out_dec = 6'b111111;
12'd3484 : mem_out_dec = 6'b111111;
12'd3485 : mem_out_dec = 6'b111111;
12'd3486 : mem_out_dec = 6'b111111;
12'd3487 : mem_out_dec = 6'b111111;
12'd3488 : mem_out_dec = 6'b111111;
12'd3489 : mem_out_dec = 6'b111111;
12'd3490 : mem_out_dec = 6'b111111;
12'd3491 : mem_out_dec = 6'b111111;
12'd3492 : mem_out_dec = 6'b111111;
12'd3493 : mem_out_dec = 6'b111111;
12'd3494 : mem_out_dec = 6'b111111;
12'd3495 : mem_out_dec = 6'b111111;
12'd3496 : mem_out_dec = 6'b111111;
12'd3497 : mem_out_dec = 6'b111111;
12'd3498 : mem_out_dec = 6'b111111;
12'd3499 : mem_out_dec = 6'b111111;
12'd3500 : mem_out_dec = 6'b111111;
12'd3501 : mem_out_dec = 6'b111111;
12'd3502 : mem_out_dec = 6'b111111;
12'd3503 : mem_out_dec = 6'b111111;
12'd3504 : mem_out_dec = 6'b111111;
12'd3505 : mem_out_dec = 6'b111111;
12'd3506 : mem_out_dec = 6'b111111;
12'd3507 : mem_out_dec = 6'b111111;
12'd3508 : mem_out_dec = 6'b111111;
12'd3509 : mem_out_dec = 6'b111111;
12'd3510 : mem_out_dec = 6'b111111;
12'd3511 : mem_out_dec = 6'b111111;
12'd3512 : mem_out_dec = 6'b111111;
12'd3513 : mem_out_dec = 6'b111111;
12'd3514 : mem_out_dec = 6'b111111;
12'd3515 : mem_out_dec = 6'b111111;
12'd3516 : mem_out_dec = 6'b000101;
12'd3517 : mem_out_dec = 6'b000110;
12'd3518 : mem_out_dec = 6'b000110;
12'd3519 : mem_out_dec = 6'b000111;
12'd3520 : mem_out_dec = 6'b111111;
12'd3521 : mem_out_dec = 6'b111111;
12'd3522 : mem_out_dec = 6'b111111;
12'd3523 : mem_out_dec = 6'b111111;
12'd3524 : mem_out_dec = 6'b111111;
12'd3525 : mem_out_dec = 6'b111111;
12'd3526 : mem_out_dec = 6'b111111;
12'd3527 : mem_out_dec = 6'b111111;
12'd3528 : mem_out_dec = 6'b111111;
12'd3529 : mem_out_dec = 6'b111111;
12'd3530 : mem_out_dec = 6'b111111;
12'd3531 : mem_out_dec = 6'b111111;
12'd3532 : mem_out_dec = 6'b111111;
12'd3533 : mem_out_dec = 6'b111111;
12'd3534 : mem_out_dec = 6'b111111;
12'd3535 : mem_out_dec = 6'b111111;
12'd3536 : mem_out_dec = 6'b111111;
12'd3537 : mem_out_dec = 6'b111111;
12'd3538 : mem_out_dec = 6'b111111;
12'd3539 : mem_out_dec = 6'b111111;
12'd3540 : mem_out_dec = 6'b111111;
12'd3541 : mem_out_dec = 6'b111111;
12'd3542 : mem_out_dec = 6'b111111;
12'd3543 : mem_out_dec = 6'b111111;
12'd3544 : mem_out_dec = 6'b111111;
12'd3545 : mem_out_dec = 6'b111111;
12'd3546 : mem_out_dec = 6'b111111;
12'd3547 : mem_out_dec = 6'b111111;
12'd3548 : mem_out_dec = 6'b111111;
12'd3549 : mem_out_dec = 6'b111111;
12'd3550 : mem_out_dec = 6'b111111;
12'd3551 : mem_out_dec = 6'b111111;
12'd3552 : mem_out_dec = 6'b111111;
12'd3553 : mem_out_dec = 6'b111111;
12'd3554 : mem_out_dec = 6'b111111;
12'd3555 : mem_out_dec = 6'b111111;
12'd3556 : mem_out_dec = 6'b111111;
12'd3557 : mem_out_dec = 6'b111111;
12'd3558 : mem_out_dec = 6'b111111;
12'd3559 : mem_out_dec = 6'b111111;
12'd3560 : mem_out_dec = 6'b111111;
12'd3561 : mem_out_dec = 6'b111111;
12'd3562 : mem_out_dec = 6'b111111;
12'd3563 : mem_out_dec = 6'b111111;
12'd3564 : mem_out_dec = 6'b111111;
12'd3565 : mem_out_dec = 6'b111111;
12'd3566 : mem_out_dec = 6'b111111;
12'd3567 : mem_out_dec = 6'b111111;
12'd3568 : mem_out_dec = 6'b111111;
12'd3569 : mem_out_dec = 6'b111111;
12'd3570 : mem_out_dec = 6'b111111;
12'd3571 : mem_out_dec = 6'b111111;
12'd3572 : mem_out_dec = 6'b111111;
12'd3573 : mem_out_dec = 6'b111111;
12'd3574 : mem_out_dec = 6'b111111;
12'd3575 : mem_out_dec = 6'b111111;
12'd3576 : mem_out_dec = 6'b111111;
12'd3577 : mem_out_dec = 6'b111111;
12'd3578 : mem_out_dec = 6'b111111;
12'd3579 : mem_out_dec = 6'b111111;
12'd3580 : mem_out_dec = 6'b111111;
12'd3581 : mem_out_dec = 6'b000101;
12'd3582 : mem_out_dec = 6'b000110;
12'd3583 : mem_out_dec = 6'b000110;
12'd3584 : mem_out_dec = 6'b111111;
12'd3585 : mem_out_dec = 6'b111111;
12'd3586 : mem_out_dec = 6'b111111;
12'd3587 : mem_out_dec = 6'b111111;
12'd3588 : mem_out_dec = 6'b111111;
12'd3589 : mem_out_dec = 6'b111111;
12'd3590 : mem_out_dec = 6'b111111;
12'd3591 : mem_out_dec = 6'b111111;
12'd3592 : mem_out_dec = 6'b111111;
12'd3593 : mem_out_dec = 6'b111111;
12'd3594 : mem_out_dec = 6'b111111;
12'd3595 : mem_out_dec = 6'b111111;
12'd3596 : mem_out_dec = 6'b111111;
12'd3597 : mem_out_dec = 6'b111111;
12'd3598 : mem_out_dec = 6'b111111;
12'd3599 : mem_out_dec = 6'b111111;
12'd3600 : mem_out_dec = 6'b111111;
12'd3601 : mem_out_dec = 6'b111111;
12'd3602 : mem_out_dec = 6'b111111;
12'd3603 : mem_out_dec = 6'b111111;
12'd3604 : mem_out_dec = 6'b111111;
12'd3605 : mem_out_dec = 6'b111111;
12'd3606 : mem_out_dec = 6'b111111;
12'd3607 : mem_out_dec = 6'b111111;
12'd3608 : mem_out_dec = 6'b111111;
12'd3609 : mem_out_dec = 6'b111111;
12'd3610 : mem_out_dec = 6'b111111;
12'd3611 : mem_out_dec = 6'b111111;
12'd3612 : mem_out_dec = 6'b111111;
12'd3613 : mem_out_dec = 6'b111111;
12'd3614 : mem_out_dec = 6'b111111;
12'd3615 : mem_out_dec = 6'b111111;
12'd3616 : mem_out_dec = 6'b111111;
12'd3617 : mem_out_dec = 6'b111111;
12'd3618 : mem_out_dec = 6'b111111;
12'd3619 : mem_out_dec = 6'b111111;
12'd3620 : mem_out_dec = 6'b111111;
12'd3621 : mem_out_dec = 6'b111111;
12'd3622 : mem_out_dec = 6'b111111;
12'd3623 : mem_out_dec = 6'b111111;
12'd3624 : mem_out_dec = 6'b111111;
12'd3625 : mem_out_dec = 6'b111111;
12'd3626 : mem_out_dec = 6'b111111;
12'd3627 : mem_out_dec = 6'b111111;
12'd3628 : mem_out_dec = 6'b111111;
12'd3629 : mem_out_dec = 6'b111111;
12'd3630 : mem_out_dec = 6'b111111;
12'd3631 : mem_out_dec = 6'b111111;
12'd3632 : mem_out_dec = 6'b111111;
12'd3633 : mem_out_dec = 6'b111111;
12'd3634 : mem_out_dec = 6'b111111;
12'd3635 : mem_out_dec = 6'b111111;
12'd3636 : mem_out_dec = 6'b111111;
12'd3637 : mem_out_dec = 6'b111111;
12'd3638 : mem_out_dec = 6'b111111;
12'd3639 : mem_out_dec = 6'b111111;
12'd3640 : mem_out_dec = 6'b111111;
12'd3641 : mem_out_dec = 6'b111111;
12'd3642 : mem_out_dec = 6'b111111;
12'd3643 : mem_out_dec = 6'b111111;
12'd3644 : mem_out_dec = 6'b111111;
12'd3645 : mem_out_dec = 6'b111111;
12'd3646 : mem_out_dec = 6'b000100;
12'd3647 : mem_out_dec = 6'b000101;
12'd3648 : mem_out_dec = 6'b111111;
12'd3649 : mem_out_dec = 6'b111111;
12'd3650 : mem_out_dec = 6'b111111;
12'd3651 : mem_out_dec = 6'b111111;
12'd3652 : mem_out_dec = 6'b111111;
12'd3653 : mem_out_dec = 6'b111111;
12'd3654 : mem_out_dec = 6'b111111;
12'd3655 : mem_out_dec = 6'b111111;
12'd3656 : mem_out_dec = 6'b111111;
12'd3657 : mem_out_dec = 6'b111111;
12'd3658 : mem_out_dec = 6'b111111;
12'd3659 : mem_out_dec = 6'b111111;
12'd3660 : mem_out_dec = 6'b111111;
12'd3661 : mem_out_dec = 6'b111111;
12'd3662 : mem_out_dec = 6'b111111;
12'd3663 : mem_out_dec = 6'b111111;
12'd3664 : mem_out_dec = 6'b111111;
12'd3665 : mem_out_dec = 6'b111111;
12'd3666 : mem_out_dec = 6'b111111;
12'd3667 : mem_out_dec = 6'b111111;
12'd3668 : mem_out_dec = 6'b111111;
12'd3669 : mem_out_dec = 6'b111111;
12'd3670 : mem_out_dec = 6'b111111;
12'd3671 : mem_out_dec = 6'b111111;
12'd3672 : mem_out_dec = 6'b111111;
12'd3673 : mem_out_dec = 6'b111111;
12'd3674 : mem_out_dec = 6'b111111;
12'd3675 : mem_out_dec = 6'b111111;
12'd3676 : mem_out_dec = 6'b111111;
12'd3677 : mem_out_dec = 6'b111111;
12'd3678 : mem_out_dec = 6'b111111;
12'd3679 : mem_out_dec = 6'b111111;
12'd3680 : mem_out_dec = 6'b111111;
12'd3681 : mem_out_dec = 6'b111111;
12'd3682 : mem_out_dec = 6'b111111;
12'd3683 : mem_out_dec = 6'b111111;
12'd3684 : mem_out_dec = 6'b111111;
12'd3685 : mem_out_dec = 6'b111111;
12'd3686 : mem_out_dec = 6'b111111;
12'd3687 : mem_out_dec = 6'b111111;
12'd3688 : mem_out_dec = 6'b111111;
12'd3689 : mem_out_dec = 6'b111111;
12'd3690 : mem_out_dec = 6'b111111;
12'd3691 : mem_out_dec = 6'b111111;
12'd3692 : mem_out_dec = 6'b111111;
12'd3693 : mem_out_dec = 6'b111111;
12'd3694 : mem_out_dec = 6'b111111;
12'd3695 : mem_out_dec = 6'b111111;
12'd3696 : mem_out_dec = 6'b111111;
12'd3697 : mem_out_dec = 6'b111111;
12'd3698 : mem_out_dec = 6'b111111;
12'd3699 : mem_out_dec = 6'b111111;
12'd3700 : mem_out_dec = 6'b111111;
12'd3701 : mem_out_dec = 6'b111111;
12'd3702 : mem_out_dec = 6'b111111;
12'd3703 : mem_out_dec = 6'b111111;
12'd3704 : mem_out_dec = 6'b111111;
12'd3705 : mem_out_dec = 6'b111111;
12'd3706 : mem_out_dec = 6'b111111;
12'd3707 : mem_out_dec = 6'b111111;
12'd3708 : mem_out_dec = 6'b111111;
12'd3709 : mem_out_dec = 6'b111111;
12'd3710 : mem_out_dec = 6'b111111;
12'd3711 : mem_out_dec = 6'b000100;
12'd3712 : mem_out_dec = 6'b111111;
12'd3713 : mem_out_dec = 6'b111111;
12'd3714 : mem_out_dec = 6'b111111;
12'd3715 : mem_out_dec = 6'b111111;
12'd3716 : mem_out_dec = 6'b111111;
12'd3717 : mem_out_dec = 6'b111111;
12'd3718 : mem_out_dec = 6'b111111;
12'd3719 : mem_out_dec = 6'b111111;
12'd3720 : mem_out_dec = 6'b111111;
12'd3721 : mem_out_dec = 6'b111111;
12'd3722 : mem_out_dec = 6'b111111;
12'd3723 : mem_out_dec = 6'b111111;
12'd3724 : mem_out_dec = 6'b111111;
12'd3725 : mem_out_dec = 6'b111111;
12'd3726 : mem_out_dec = 6'b111111;
12'd3727 : mem_out_dec = 6'b111111;
12'd3728 : mem_out_dec = 6'b111111;
12'd3729 : mem_out_dec = 6'b111111;
12'd3730 : mem_out_dec = 6'b111111;
12'd3731 : mem_out_dec = 6'b111111;
12'd3732 : mem_out_dec = 6'b111111;
12'd3733 : mem_out_dec = 6'b111111;
12'd3734 : mem_out_dec = 6'b111111;
12'd3735 : mem_out_dec = 6'b111111;
12'd3736 : mem_out_dec = 6'b111111;
12'd3737 : mem_out_dec = 6'b111111;
12'd3738 : mem_out_dec = 6'b111111;
12'd3739 : mem_out_dec = 6'b111111;
12'd3740 : mem_out_dec = 6'b111111;
12'd3741 : mem_out_dec = 6'b111111;
12'd3742 : mem_out_dec = 6'b111111;
12'd3743 : mem_out_dec = 6'b111111;
12'd3744 : mem_out_dec = 6'b111111;
12'd3745 : mem_out_dec = 6'b111111;
12'd3746 : mem_out_dec = 6'b111111;
12'd3747 : mem_out_dec = 6'b111111;
12'd3748 : mem_out_dec = 6'b111111;
12'd3749 : mem_out_dec = 6'b111111;
12'd3750 : mem_out_dec = 6'b111111;
12'd3751 : mem_out_dec = 6'b111111;
12'd3752 : mem_out_dec = 6'b111111;
12'd3753 : mem_out_dec = 6'b111111;
12'd3754 : mem_out_dec = 6'b111111;
12'd3755 : mem_out_dec = 6'b111111;
12'd3756 : mem_out_dec = 6'b111111;
12'd3757 : mem_out_dec = 6'b111111;
12'd3758 : mem_out_dec = 6'b111111;
12'd3759 : mem_out_dec = 6'b111111;
12'd3760 : mem_out_dec = 6'b111111;
12'd3761 : mem_out_dec = 6'b111111;
12'd3762 : mem_out_dec = 6'b111111;
12'd3763 : mem_out_dec = 6'b111111;
12'd3764 : mem_out_dec = 6'b111111;
12'd3765 : mem_out_dec = 6'b111111;
12'd3766 : mem_out_dec = 6'b111111;
12'd3767 : mem_out_dec = 6'b111111;
12'd3768 : mem_out_dec = 6'b111111;
12'd3769 : mem_out_dec = 6'b111111;
12'd3770 : mem_out_dec = 6'b111111;
12'd3771 : mem_out_dec = 6'b111111;
12'd3772 : mem_out_dec = 6'b111111;
12'd3773 : mem_out_dec = 6'b111111;
12'd3774 : mem_out_dec = 6'b111111;
12'd3775 : mem_out_dec = 6'b111111;
12'd3776 : mem_out_dec = 6'b111111;
12'd3777 : mem_out_dec = 6'b111111;
12'd3778 : mem_out_dec = 6'b111111;
12'd3779 : mem_out_dec = 6'b111111;
12'd3780 : mem_out_dec = 6'b111111;
12'd3781 : mem_out_dec = 6'b111111;
12'd3782 : mem_out_dec = 6'b111111;
12'd3783 : mem_out_dec = 6'b111111;
12'd3784 : mem_out_dec = 6'b111111;
12'd3785 : mem_out_dec = 6'b111111;
12'd3786 : mem_out_dec = 6'b111111;
12'd3787 : mem_out_dec = 6'b111111;
12'd3788 : mem_out_dec = 6'b111111;
12'd3789 : mem_out_dec = 6'b111111;
12'd3790 : mem_out_dec = 6'b111111;
12'd3791 : mem_out_dec = 6'b111111;
12'd3792 : mem_out_dec = 6'b111111;
12'd3793 : mem_out_dec = 6'b111111;
12'd3794 : mem_out_dec = 6'b111111;
12'd3795 : mem_out_dec = 6'b111111;
12'd3796 : mem_out_dec = 6'b111111;
12'd3797 : mem_out_dec = 6'b111111;
12'd3798 : mem_out_dec = 6'b111111;
12'd3799 : mem_out_dec = 6'b111111;
12'd3800 : mem_out_dec = 6'b111111;
12'd3801 : mem_out_dec = 6'b111111;
12'd3802 : mem_out_dec = 6'b111111;
12'd3803 : mem_out_dec = 6'b111111;
12'd3804 : mem_out_dec = 6'b111111;
12'd3805 : mem_out_dec = 6'b111111;
12'd3806 : mem_out_dec = 6'b111111;
12'd3807 : mem_out_dec = 6'b111111;
12'd3808 : mem_out_dec = 6'b111111;
12'd3809 : mem_out_dec = 6'b111111;
12'd3810 : mem_out_dec = 6'b111111;
12'd3811 : mem_out_dec = 6'b111111;
12'd3812 : mem_out_dec = 6'b111111;
12'd3813 : mem_out_dec = 6'b111111;
12'd3814 : mem_out_dec = 6'b111111;
12'd3815 : mem_out_dec = 6'b111111;
12'd3816 : mem_out_dec = 6'b111111;
12'd3817 : mem_out_dec = 6'b111111;
12'd3818 : mem_out_dec = 6'b111111;
12'd3819 : mem_out_dec = 6'b111111;
12'd3820 : mem_out_dec = 6'b111111;
12'd3821 : mem_out_dec = 6'b111111;
12'd3822 : mem_out_dec = 6'b111111;
12'd3823 : mem_out_dec = 6'b111111;
12'd3824 : mem_out_dec = 6'b111111;
12'd3825 : mem_out_dec = 6'b111111;
12'd3826 : mem_out_dec = 6'b111111;
12'd3827 : mem_out_dec = 6'b111111;
12'd3828 : mem_out_dec = 6'b111111;
12'd3829 : mem_out_dec = 6'b111111;
12'd3830 : mem_out_dec = 6'b111111;
12'd3831 : mem_out_dec = 6'b111111;
12'd3832 : mem_out_dec = 6'b111111;
12'd3833 : mem_out_dec = 6'b111111;
12'd3834 : mem_out_dec = 6'b111111;
12'd3835 : mem_out_dec = 6'b111111;
12'd3836 : mem_out_dec = 6'b111111;
12'd3837 : mem_out_dec = 6'b111111;
12'd3838 : mem_out_dec = 6'b111111;
12'd3839 : mem_out_dec = 6'b111111;
12'd3840 : mem_out_dec = 6'b111111;
12'd3841 : mem_out_dec = 6'b111111;
12'd3842 : mem_out_dec = 6'b111111;
12'd3843 : mem_out_dec = 6'b111111;
12'd3844 : mem_out_dec = 6'b111111;
12'd3845 : mem_out_dec = 6'b111111;
12'd3846 : mem_out_dec = 6'b111111;
12'd3847 : mem_out_dec = 6'b111111;
12'd3848 : mem_out_dec = 6'b111111;
12'd3849 : mem_out_dec = 6'b111111;
12'd3850 : mem_out_dec = 6'b111111;
12'd3851 : mem_out_dec = 6'b111111;
12'd3852 : mem_out_dec = 6'b111111;
12'd3853 : mem_out_dec = 6'b111111;
12'd3854 : mem_out_dec = 6'b111111;
12'd3855 : mem_out_dec = 6'b111111;
12'd3856 : mem_out_dec = 6'b111111;
12'd3857 : mem_out_dec = 6'b111111;
12'd3858 : mem_out_dec = 6'b111111;
12'd3859 : mem_out_dec = 6'b111111;
12'd3860 : mem_out_dec = 6'b111111;
12'd3861 : mem_out_dec = 6'b111111;
12'd3862 : mem_out_dec = 6'b111111;
12'd3863 : mem_out_dec = 6'b111111;
12'd3864 : mem_out_dec = 6'b111111;
12'd3865 : mem_out_dec = 6'b111111;
12'd3866 : mem_out_dec = 6'b111111;
12'd3867 : mem_out_dec = 6'b111111;
12'd3868 : mem_out_dec = 6'b111111;
12'd3869 : mem_out_dec = 6'b111111;
12'd3870 : mem_out_dec = 6'b111111;
12'd3871 : mem_out_dec = 6'b111111;
12'd3872 : mem_out_dec = 6'b111111;
12'd3873 : mem_out_dec = 6'b111111;
12'd3874 : mem_out_dec = 6'b111111;
12'd3875 : mem_out_dec = 6'b111111;
12'd3876 : mem_out_dec = 6'b111111;
12'd3877 : mem_out_dec = 6'b111111;
12'd3878 : mem_out_dec = 6'b111111;
12'd3879 : mem_out_dec = 6'b111111;
12'd3880 : mem_out_dec = 6'b111111;
12'd3881 : mem_out_dec = 6'b111111;
12'd3882 : mem_out_dec = 6'b111111;
12'd3883 : mem_out_dec = 6'b111111;
12'd3884 : mem_out_dec = 6'b111111;
12'd3885 : mem_out_dec = 6'b111111;
12'd3886 : mem_out_dec = 6'b111111;
12'd3887 : mem_out_dec = 6'b111111;
12'd3888 : mem_out_dec = 6'b111111;
12'd3889 : mem_out_dec = 6'b111111;
12'd3890 : mem_out_dec = 6'b111111;
12'd3891 : mem_out_dec = 6'b111111;
12'd3892 : mem_out_dec = 6'b111111;
12'd3893 : mem_out_dec = 6'b111111;
12'd3894 : mem_out_dec = 6'b111111;
12'd3895 : mem_out_dec = 6'b111111;
12'd3896 : mem_out_dec = 6'b111111;
12'd3897 : mem_out_dec = 6'b111111;
12'd3898 : mem_out_dec = 6'b111111;
12'd3899 : mem_out_dec = 6'b111111;
12'd3900 : mem_out_dec = 6'b111111;
12'd3901 : mem_out_dec = 6'b111111;
12'd3902 : mem_out_dec = 6'b111111;
12'd3903 : mem_out_dec = 6'b111111;
12'd3904 : mem_out_dec = 6'b111111;
12'd3905 : mem_out_dec = 6'b111111;
12'd3906 : mem_out_dec = 6'b111111;
12'd3907 : mem_out_dec = 6'b111111;
12'd3908 : mem_out_dec = 6'b111111;
12'd3909 : mem_out_dec = 6'b111111;
12'd3910 : mem_out_dec = 6'b111111;
12'd3911 : mem_out_dec = 6'b111111;
12'd3912 : mem_out_dec = 6'b111111;
12'd3913 : mem_out_dec = 6'b111111;
12'd3914 : mem_out_dec = 6'b111111;
12'd3915 : mem_out_dec = 6'b111111;
12'd3916 : mem_out_dec = 6'b111111;
12'd3917 : mem_out_dec = 6'b111111;
12'd3918 : mem_out_dec = 6'b111111;
12'd3919 : mem_out_dec = 6'b111111;
12'd3920 : mem_out_dec = 6'b111111;
12'd3921 : mem_out_dec = 6'b111111;
12'd3922 : mem_out_dec = 6'b111111;
12'd3923 : mem_out_dec = 6'b111111;
12'd3924 : mem_out_dec = 6'b111111;
12'd3925 : mem_out_dec = 6'b111111;
12'd3926 : mem_out_dec = 6'b111111;
12'd3927 : mem_out_dec = 6'b111111;
12'd3928 : mem_out_dec = 6'b111111;
12'd3929 : mem_out_dec = 6'b111111;
12'd3930 : mem_out_dec = 6'b111111;
12'd3931 : mem_out_dec = 6'b111111;
12'd3932 : mem_out_dec = 6'b111111;
12'd3933 : mem_out_dec = 6'b111111;
12'd3934 : mem_out_dec = 6'b111111;
12'd3935 : mem_out_dec = 6'b111111;
12'd3936 : mem_out_dec = 6'b111111;
12'd3937 : mem_out_dec = 6'b111111;
12'd3938 : mem_out_dec = 6'b111111;
12'd3939 : mem_out_dec = 6'b111111;
12'd3940 : mem_out_dec = 6'b111111;
12'd3941 : mem_out_dec = 6'b111111;
12'd3942 : mem_out_dec = 6'b111111;
12'd3943 : mem_out_dec = 6'b111111;
12'd3944 : mem_out_dec = 6'b111111;
12'd3945 : mem_out_dec = 6'b111111;
12'd3946 : mem_out_dec = 6'b111111;
12'd3947 : mem_out_dec = 6'b111111;
12'd3948 : mem_out_dec = 6'b111111;
12'd3949 : mem_out_dec = 6'b111111;
12'd3950 : mem_out_dec = 6'b111111;
12'd3951 : mem_out_dec = 6'b111111;
12'd3952 : mem_out_dec = 6'b111111;
12'd3953 : mem_out_dec = 6'b111111;
12'd3954 : mem_out_dec = 6'b111111;
12'd3955 : mem_out_dec = 6'b111111;
12'd3956 : mem_out_dec = 6'b111111;
12'd3957 : mem_out_dec = 6'b111111;
12'd3958 : mem_out_dec = 6'b111111;
12'd3959 : mem_out_dec = 6'b111111;
12'd3960 : mem_out_dec = 6'b111111;
12'd3961 : mem_out_dec = 6'b111111;
12'd3962 : mem_out_dec = 6'b111111;
12'd3963 : mem_out_dec = 6'b111111;
12'd3964 : mem_out_dec = 6'b111111;
12'd3965 : mem_out_dec = 6'b111111;
12'd3966 : mem_out_dec = 6'b111111;
12'd3967 : mem_out_dec = 6'b111111;
12'd3968 : mem_out_dec = 6'b111111;
12'd3969 : mem_out_dec = 6'b111111;
12'd3970 : mem_out_dec = 6'b111111;
12'd3971 : mem_out_dec = 6'b111111;
12'd3972 : mem_out_dec = 6'b111111;
12'd3973 : mem_out_dec = 6'b111111;
12'd3974 : mem_out_dec = 6'b111111;
12'd3975 : mem_out_dec = 6'b111111;
12'd3976 : mem_out_dec = 6'b111111;
12'd3977 : mem_out_dec = 6'b111111;
12'd3978 : mem_out_dec = 6'b111111;
12'd3979 : mem_out_dec = 6'b111111;
12'd3980 : mem_out_dec = 6'b111111;
12'd3981 : mem_out_dec = 6'b111111;
12'd3982 : mem_out_dec = 6'b111111;
12'd3983 : mem_out_dec = 6'b111111;
12'd3984 : mem_out_dec = 6'b111111;
12'd3985 : mem_out_dec = 6'b111111;
12'd3986 : mem_out_dec = 6'b111111;
12'd3987 : mem_out_dec = 6'b111111;
12'd3988 : mem_out_dec = 6'b111111;
12'd3989 : mem_out_dec = 6'b111111;
12'd3990 : mem_out_dec = 6'b111111;
12'd3991 : mem_out_dec = 6'b111111;
12'd3992 : mem_out_dec = 6'b111111;
12'd3993 : mem_out_dec = 6'b111111;
12'd3994 : mem_out_dec = 6'b111111;
12'd3995 : mem_out_dec = 6'b111111;
12'd3996 : mem_out_dec = 6'b111111;
12'd3997 : mem_out_dec = 6'b111111;
12'd3998 : mem_out_dec = 6'b111111;
12'd3999 : mem_out_dec = 6'b111111;
12'd4000 : mem_out_dec = 6'b111111;
12'd4001 : mem_out_dec = 6'b111111;
12'd4002 : mem_out_dec = 6'b111111;
12'd4003 : mem_out_dec = 6'b111111;
12'd4004 : mem_out_dec = 6'b111111;
12'd4005 : mem_out_dec = 6'b111111;
12'd4006 : mem_out_dec = 6'b111111;
12'd4007 : mem_out_dec = 6'b111111;
12'd4008 : mem_out_dec = 6'b111111;
12'd4009 : mem_out_dec = 6'b111111;
12'd4010 : mem_out_dec = 6'b111111;
12'd4011 : mem_out_dec = 6'b111111;
12'd4012 : mem_out_dec = 6'b111111;
12'd4013 : mem_out_dec = 6'b111111;
12'd4014 : mem_out_dec = 6'b111111;
12'd4015 : mem_out_dec = 6'b111111;
12'd4016 : mem_out_dec = 6'b111111;
12'd4017 : mem_out_dec = 6'b111111;
12'd4018 : mem_out_dec = 6'b111111;
12'd4019 : mem_out_dec = 6'b111111;
12'd4020 : mem_out_dec = 6'b111111;
12'd4021 : mem_out_dec = 6'b111111;
12'd4022 : mem_out_dec = 6'b111111;
12'd4023 : mem_out_dec = 6'b111111;
12'd4024 : mem_out_dec = 6'b111111;
12'd4025 : mem_out_dec = 6'b111111;
12'd4026 : mem_out_dec = 6'b111111;
12'd4027 : mem_out_dec = 6'b111111;
12'd4028 : mem_out_dec = 6'b111111;
12'd4029 : mem_out_dec = 6'b111111;
12'd4030 : mem_out_dec = 6'b111111;
12'd4031 : mem_out_dec = 6'b111111;
12'd4032 : mem_out_dec = 6'b111111;
12'd4033 : mem_out_dec = 6'b111111;
12'd4034 : mem_out_dec = 6'b111111;
12'd4035 : mem_out_dec = 6'b111111;
12'd4036 : mem_out_dec = 6'b111111;
12'd4037 : mem_out_dec = 6'b111111;
12'd4038 : mem_out_dec = 6'b111111;
12'd4039 : mem_out_dec = 6'b111111;
12'd4040 : mem_out_dec = 6'b111111;
12'd4041 : mem_out_dec = 6'b111111;
12'd4042 : mem_out_dec = 6'b111111;
12'd4043 : mem_out_dec = 6'b111111;
12'd4044 : mem_out_dec = 6'b111111;
12'd4045 : mem_out_dec = 6'b111111;
12'd4046 : mem_out_dec = 6'b111111;
12'd4047 : mem_out_dec = 6'b111111;
12'd4048 : mem_out_dec = 6'b111111;
12'd4049 : mem_out_dec = 6'b111111;
12'd4050 : mem_out_dec = 6'b111111;
12'd4051 : mem_out_dec = 6'b111111;
12'd4052 : mem_out_dec = 6'b111111;
12'd4053 : mem_out_dec = 6'b111111;
12'd4054 : mem_out_dec = 6'b111111;
12'd4055 : mem_out_dec = 6'b111111;
12'd4056 : mem_out_dec = 6'b111111;
12'd4057 : mem_out_dec = 6'b111111;
12'd4058 : mem_out_dec = 6'b111111;
12'd4059 : mem_out_dec = 6'b111111;
12'd4060 : mem_out_dec = 6'b111111;
12'd4061 : mem_out_dec = 6'b111111;
12'd4062 : mem_out_dec = 6'b111111;
12'd4063 : mem_out_dec = 6'b111111;
12'd4064 : mem_out_dec = 6'b111111;
12'd4065 : mem_out_dec = 6'b111111;
12'd4066 : mem_out_dec = 6'b111111;
12'd4067 : mem_out_dec = 6'b111111;
12'd4068 : mem_out_dec = 6'b111111;
12'd4069 : mem_out_dec = 6'b111111;
12'd4070 : mem_out_dec = 6'b111111;
12'd4071 : mem_out_dec = 6'b111111;
12'd4072 : mem_out_dec = 6'b111111;
12'd4073 : mem_out_dec = 6'b111111;
12'd4074 : mem_out_dec = 6'b111111;
12'd4075 : mem_out_dec = 6'b111111;
12'd4076 : mem_out_dec = 6'b111111;
12'd4077 : mem_out_dec = 6'b111111;
12'd4078 : mem_out_dec = 6'b111111;
12'd4079 : mem_out_dec = 6'b111111;
12'd4080 : mem_out_dec = 6'b111111;
12'd4081 : mem_out_dec = 6'b111111;
12'd4082 : mem_out_dec = 6'b111111;
12'd4083 : mem_out_dec = 6'b111111;
12'd4084 : mem_out_dec = 6'b111111;
12'd4085 : mem_out_dec = 6'b111111;
12'd4086 : mem_out_dec = 6'b111111;
12'd4087 : mem_out_dec = 6'b111111;
12'd4088 : mem_out_dec = 6'b111111;
12'd4089 : mem_out_dec = 6'b111111;
12'd4090 : mem_out_dec = 6'b111111;
12'd4091 : mem_out_dec = 6'b111111;
12'd4092 : mem_out_dec = 6'b111111;
12'd4093 : mem_out_dec = 6'b111111;
12'd4094 : mem_out_dec = 6'b111111;
12'd4095 : mem_out_dec = 6'b111111;
endcase
end
always @ (posedge clk) begin
dec_cnt <= #TCQ mem_out_dec;
end
endmodule
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