mirror of https://github.com/YosysHQ/yosys.git
4398 lines
158 KiB
Verilog
4398 lines
158 KiB
Verilog
/*
|
|
* yosys -- Yosys Open SYnthesis Suite
|
|
*
|
|
* Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com>
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
// See Xilinx UG953 and UG474 for a description of the cell types below.
|
|
// http://www.xilinx.com/support/documentation/user_guides/ug474_7Series_CLB.pdf
|
|
// http://www.xilinx.com/support/documentation/sw_manuals/xilinx2014_4/ug953-vivado-7series-libraries.pdf
|
|
|
|
module VCC(output P);
|
|
assign P = 1;
|
|
endmodule
|
|
|
|
module GND(output G);
|
|
assign G = 0;
|
|
endmodule
|
|
|
|
module IBUF(
|
|
output O,
|
|
(* iopad_external_pin *)
|
|
input I);
|
|
parameter CCIO_EN = "TRUE";
|
|
parameter CAPACITANCE = "DONT_CARE";
|
|
parameter IBUF_DELAY_VALUE = "0";
|
|
parameter IBUF_LOW_PWR = "TRUE";
|
|
parameter IFD_DELAY_VALUE = "AUTO";
|
|
parameter IOSTANDARD = "DEFAULT";
|
|
assign O = I;
|
|
specify
|
|
(I => O) = 0;
|
|
endspecify
|
|
endmodule
|
|
|
|
module IBUFG(
|
|
output O,
|
|
(* iopad_external_pin *)
|
|
input I);
|
|
parameter CAPACITANCE = "DONT_CARE";
|
|
parameter IBUF_DELAY_VALUE = "0";
|
|
parameter IBUF_LOW_PWR = "TRUE";
|
|
parameter IOSTANDARD = "DEFAULT";
|
|
assign O = I;
|
|
endmodule
|
|
|
|
module OBUF(
|
|
(* iopad_external_pin *)
|
|
output O,
|
|
input I);
|
|
parameter CAPACITANCE = "DONT_CARE";
|
|
parameter IOSTANDARD = "DEFAULT";
|
|
parameter DRIVE = 12;
|
|
parameter SLEW = "SLOW";
|
|
assign O = I;
|
|
specify
|
|
(I => O) = 0;
|
|
endspecify
|
|
endmodule
|
|
|
|
module IOBUF (
|
|
(* iopad_external_pin *)
|
|
inout IO,
|
|
output O,
|
|
input I,
|
|
input T
|
|
);
|
|
parameter integer DRIVE = 12;
|
|
parameter IBUF_LOW_PWR = "TRUE";
|
|
parameter IOSTANDARD = "DEFAULT";
|
|
parameter SLEW = "SLOW";
|
|
assign IO = T ? 1'bz : I;
|
|
assign O = IO;
|
|
specify
|
|
(I => IO) = 0;
|
|
(IO => O) = 0;
|
|
endspecify
|
|
endmodule
|
|
|
|
module OBUFT (
|
|
(* iopad_external_pin *)
|
|
output O,
|
|
input I,
|
|
input T
|
|
);
|
|
parameter CAPACITANCE = "DONT_CARE";
|
|
parameter integer DRIVE = 12;
|
|
parameter IOSTANDARD = "DEFAULT";
|
|
parameter SLEW = "SLOW";
|
|
assign O = T ? 1'bz : I;
|
|
specify
|
|
(I => O) = 0;
|
|
endspecify
|
|
endmodule
|
|
|
|
module BUFG(
|
|
(* clkbuf_driver *)
|
|
output O,
|
|
input I);
|
|
assign O = I;
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/CLK_BUFG_TOP_R.sdf#L11
|
|
(I => O) = 96;
|
|
endspecify
|
|
endmodule
|
|
|
|
module BUFGCTRL(
|
|
(* clkbuf_driver *)
|
|
output O,
|
|
input I0, input I1,
|
|
(* invertible_pin = "IS_S0_INVERTED" *)
|
|
input S0,
|
|
(* invertible_pin = "IS_S1_INVERTED" *)
|
|
input S1,
|
|
(* invertible_pin = "IS_CE0_INVERTED" *)
|
|
input CE0,
|
|
(* invertible_pin = "IS_CE1_INVERTED" *)
|
|
input CE1,
|
|
(* invertible_pin = "IS_IGNORE0_INVERTED" *)
|
|
input IGNORE0,
|
|
(* invertible_pin = "IS_IGNORE1_INVERTED" *)
|
|
input IGNORE1);
|
|
|
|
parameter [0:0] INIT_OUT = 1'b0;
|
|
parameter PRESELECT_I0 = "FALSE";
|
|
parameter PRESELECT_I1 = "FALSE";
|
|
parameter [0:0] IS_CE0_INVERTED = 1'b0;
|
|
parameter [0:0] IS_CE1_INVERTED = 1'b0;
|
|
parameter [0:0] IS_S0_INVERTED = 1'b0;
|
|
parameter [0:0] IS_S1_INVERTED = 1'b0;
|
|
parameter [0:0] IS_IGNORE0_INVERTED = 1'b0;
|
|
parameter [0:0] IS_IGNORE1_INVERTED = 1'b0;
|
|
|
|
wire I0_internal = ((CE0 ^ IS_CE0_INVERTED) ? I0 : INIT_OUT);
|
|
wire I1_internal = ((CE1 ^ IS_CE1_INVERTED) ? I1 : INIT_OUT);
|
|
wire S0_true = (S0 ^ IS_S0_INVERTED);
|
|
wire S1_true = (S1 ^ IS_S1_INVERTED);
|
|
|
|
assign O = S0_true ? I0_internal : (S1_true ? I1_internal : INIT_OUT);
|
|
|
|
endmodule
|
|
|
|
module BUFHCE(
|
|
(* clkbuf_driver *)
|
|
output O,
|
|
input I,
|
|
(* invertible_pin = "IS_CE_INVERTED" *)
|
|
input CE);
|
|
|
|
parameter [0:0] INIT_OUT = 1'b0;
|
|
parameter CE_TYPE = "SYNC";
|
|
parameter [0:0] IS_CE_INVERTED = 1'b0;
|
|
|
|
assign O = ((CE ^ IS_CE_INVERTED) ? I : INIT_OUT);
|
|
|
|
endmodule
|
|
|
|
// module OBUFT(output O, input I, T);
|
|
// assign O = T ? 1'bz : I;
|
|
// endmodule
|
|
|
|
// module IOBUF(inout IO, output O, input I, T);
|
|
// assign O = IO, IO = T ? 1'bz : I;
|
|
// endmodule
|
|
|
|
module INV(
|
|
(* clkbuf_inv = "I" *)
|
|
output O,
|
|
input I
|
|
);
|
|
assign O = !I;
|
|
specify
|
|
(I => O) = 127;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_lut=1 *)
|
|
module LUT1(output O, input I0);
|
|
parameter [1:0] INIT = 0;
|
|
assign O = I0 ? INIT[1] : INIT[0];
|
|
specify
|
|
(I0 => O) = 127;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_lut=2 *)
|
|
module LUT2(output O, input I0, I1);
|
|
parameter [3:0] INIT = 0;
|
|
wire [ 1: 0] s1 = I1 ? INIT[ 3: 2] : INIT[ 1: 0];
|
|
assign O = I0 ? s1[1] : s1[0];
|
|
specify
|
|
(I0 => O) = 238;
|
|
(I1 => O) = 127;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_lut=3 *)
|
|
module LUT3(output O, input I0, I1, I2);
|
|
parameter [7:0] INIT = 0;
|
|
wire [ 3: 0] s2 = I2 ? INIT[ 7: 4] : INIT[ 3: 0];
|
|
wire [ 1: 0] s1 = I1 ? s2[ 3: 2] : s2[ 1: 0];
|
|
assign O = I0 ? s1[1] : s1[0];
|
|
specify
|
|
(I0 => O) = 407;
|
|
(I1 => O) = 238;
|
|
(I2 => O) = 127;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_lut=3 *)
|
|
module LUT4(output O, input I0, I1, I2, I3);
|
|
parameter [15:0] INIT = 0;
|
|
wire [ 7: 0] s3 = I3 ? INIT[15: 8] : INIT[ 7: 0];
|
|
wire [ 3: 0] s2 = I2 ? s3[ 7: 4] : s3[ 3: 0];
|
|
wire [ 1: 0] s1 = I1 ? s2[ 3: 2] : s2[ 1: 0];
|
|
assign O = I0 ? s1[1] : s1[0];
|
|
specify
|
|
(I0 => O) = 472;
|
|
(I1 => O) = 407;
|
|
(I2 => O) = 238;
|
|
(I3 => O) = 127;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_lut=3 *)
|
|
module LUT5(output O, input I0, I1, I2, I3, I4);
|
|
parameter [31:0] INIT = 0;
|
|
wire [15: 0] s4 = I4 ? INIT[31:16] : INIT[15: 0];
|
|
wire [ 7: 0] s3 = I3 ? s4[15: 8] : s4[ 7: 0];
|
|
wire [ 3: 0] s2 = I2 ? s3[ 7: 4] : s3[ 3: 0];
|
|
wire [ 1: 0] s1 = I1 ? s2[ 3: 2] : s2[ 1: 0];
|
|
assign O = I0 ? s1[1] : s1[0];
|
|
specify
|
|
(I0 => O) = 631;
|
|
(I1 => O) = 472;
|
|
(I2 => O) = 407;
|
|
(I3 => O) = 238;
|
|
(I4 => O) = 127;
|
|
endspecify
|
|
endmodule
|
|
|
|
// This is a placeholder for ABC9 to extract the area/delay
|
|
// cost of 3-input LUTs and is not intended to be instantiated
|
|
|
|
(* abc9_lut=5 *)
|
|
module LUT6(output O, input I0, I1, I2, I3, I4, I5);
|
|
parameter [63:0] INIT = 0;
|
|
wire [31: 0] s5 = I5 ? INIT[63:32] : INIT[31: 0];
|
|
wire [15: 0] s4 = I4 ? s5[31:16] : s5[15: 0];
|
|
wire [ 7: 0] s3 = I3 ? s4[15: 8] : s4[ 7: 0];
|
|
wire [ 3: 0] s2 = I2 ? s3[ 7: 4] : s3[ 3: 0];
|
|
wire [ 1: 0] s1 = I1 ? s2[ 3: 2] : s2[ 1: 0];
|
|
assign O = I0 ? s1[1] : s1[0];
|
|
specify
|
|
(I0 => O) = 642;
|
|
(I1 => O) = 631;
|
|
(I2 => O) = 472;
|
|
(I3 => O) = 407;
|
|
(I4 => O) = 238;
|
|
(I5 => O) = 127;
|
|
endspecify
|
|
endmodule
|
|
|
|
module LUT6_2(output O6, output O5, input I0, I1, I2, I3, I4, I5);
|
|
parameter [63:0] INIT = 0;
|
|
wire [31: 0] s5 = I5 ? INIT[63:32] : INIT[31: 0];
|
|
wire [15: 0] s4 = I4 ? s5[31:16] : s5[15: 0];
|
|
wire [ 7: 0] s3 = I3 ? s4[15: 8] : s4[ 7: 0];
|
|
wire [ 3: 0] s2 = I2 ? s3[ 7: 4] : s3[ 3: 0];
|
|
wire [ 1: 0] s1 = I1 ? s2[ 3: 2] : s2[ 1: 0];
|
|
assign O6 = I0 ? s1[1] : s1[0];
|
|
|
|
wire [15: 0] s5_4 = I4 ? INIT[31:16] : INIT[15: 0];
|
|
wire [ 7: 0] s5_3 = I3 ? s5_4[15: 8] : s5_4[ 7: 0];
|
|
wire [ 3: 0] s5_2 = I2 ? s5_3[ 7: 4] : s5_3[ 3: 0];
|
|
wire [ 1: 0] s5_1 = I1 ? s5_2[ 3: 2] : s5_2[ 1: 0];
|
|
assign O5 = I0 ? s5_1[1] : s5_1[0];
|
|
endmodule
|
|
|
|
// This is a placeholder for ABC9 to extract the area/delay
|
|
// cost of 3-input LUTs and is not intended to be instantiated
|
|
(* abc9_lut=10 *)
|
|
module \$__ABC9_LUT7 (output O, input I0, I1, I2, I3, I4, I5, I6);
|
|
`ifndef __ICARUS__
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/1c85daf1b115da4d27ca83c6b89f53a94de39748/artix7/timings/slicel.sdf#L867
|
|
(I0 => O) = 642 + 223 /* to cross F7BMUX */ + 174 /* CMUX */;
|
|
(I1 => O) = 631 + 223 /* to cross F7BMUX */ + 174 /* CMUX */;
|
|
(I2 => O) = 472 + 223 /* to cross F7BMUX */ + 174 /* CMUX */;
|
|
(I3 => O) = 407 + 223 /* to cross F7BMUX */ + 174 /* CMUX */;
|
|
(I4 => O) = 238 + 223 /* to cross F7BMUX */ + 174 /* CMUX */;
|
|
(I5 => O) = 127 + 223 /* to cross F7BMUX */ + 174 /* CMUX */;
|
|
(I6 => O) = 0 + 296 /* to select F7BMUX */ + 174 /* CMUX */;
|
|
endspecify
|
|
`endif
|
|
endmodule
|
|
|
|
// This is a placeholder for ABC9 to extract the area/delay
|
|
// cost of 3-input LUTs and is not intended to be instantiated
|
|
(* abc9_lut=20 *)
|
|
module \$__ABC9_LUT8 (output O, input I0, I1, I2, I3, I4, I5, I6, I7);
|
|
`ifndef __ICARUS__
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/1c85daf1b115da4d27ca83c6b89f53a94de39748/artix7/timings/slicel.sdf#L716
|
|
(I0 => O) = 642 + 223 /* to cross F7BMUX */ + 104 /* to cross F8MUX */ + 192 /* BMUX */;
|
|
(I1 => O) = 631 + 223 /* to cross F7BMUX */ + 104 /* to cross F8MUX */ + 192 /* BMUX */;
|
|
(I2 => O) = 472 + 223 /* to cross F7BMUX */ + 104 /* to cross F8MUX */ + 192 /* BMUX */;
|
|
(I3 => O) = 407 + 223 /* to cross F7BMUX */ + 104 /* to cross F8MUX */ + 192 /* BMUX */;
|
|
(I4 => O) = 238 + 223 /* to cross F7BMUX */ + 104 /* to cross F8MUX */ + 192 /* BMUX */;
|
|
(I5 => O) = 127 + 223 /* to cross F7BMUX */ + 104 /* to cross F8MUX */ + 192 /* BMUX */;
|
|
(I6 => O) = 0 + 296 /* to select F7BMUX */ + 104 /* to cross F8MUX */ + 192 /* BMUX */;
|
|
(I7 => O) = 0 + 0 + 273 /* to select F8MUX */ + 192 /* BMUX */;
|
|
endspecify
|
|
`endif
|
|
endmodule
|
|
|
|
module MUXCY(output O, input CI, DI, S);
|
|
assign O = S ? CI : DI;
|
|
endmodule
|
|
|
|
module MUXF5(output O, input I0, I1, S);
|
|
assign O = S ? I1 : I0;
|
|
endmodule
|
|
|
|
module MUXF6(output O, input I0, I1, S);
|
|
assign O = S ? I1 : I0;
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module MUXF7(output O, input I0, I1, S);
|
|
assign O = S ? I1 : I0;
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L451-L453
|
|
(I0 => O) = 217;
|
|
(I1 => O) = 223;
|
|
(S => O) = 296;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module MUXF8(output O, input I0, I1, S);
|
|
assign O = S ? I1 : I0;
|
|
specify
|
|
// Max delays from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L462-L464
|
|
(I0 => O) = 104;
|
|
(I1 => O) = 94;
|
|
(S => O) = 273;
|
|
endspecify
|
|
endmodule
|
|
|
|
module MUXF9(output O, input I0, I1, S);
|
|
assign O = S ? I1 : I0;
|
|
endmodule
|
|
|
|
module XORCY(output O, input CI, LI);
|
|
assign O = CI ^ LI;
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module CARRY4(
|
|
(* abc9_carry *)
|
|
output [3:0] CO,
|
|
output [3:0] O,
|
|
(* abc9_carry *)
|
|
input CI,
|
|
input CYINIT,
|
|
input [3:0] DI, S
|
|
);
|
|
assign O = S ^ {CO[2:0], CI | CYINIT};
|
|
assign CO[0] = S[0] ? CI | CYINIT : DI[0];
|
|
assign CO[1] = S[1] ? CO[0] : DI[1];
|
|
assign CO[2] = S[2] ? CO[1] : DI[2];
|
|
assign CO[3] = S[3] ? CO[2] : DI[3];
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L11-L46
|
|
(CYINIT => O[0]) = 482;
|
|
(S[0] => O[0]) = 223;
|
|
(CI => O[0]) = 222;
|
|
(CYINIT => O[1]) = 598;
|
|
(DI[0] => O[1]) = 407;
|
|
(S[0] => O[1]) = 400;
|
|
(S[1] => O[1]) = 205;
|
|
(CI => O[1]) = 334;
|
|
(CYINIT => O[2]) = 584;
|
|
(DI[0] => O[2]) = 556;
|
|
(DI[1] => O[2]) = 537;
|
|
(S[0] => O[2]) = 523;
|
|
(S[1] => O[2]) = 558;
|
|
(S[2] => O[2]) = 226;
|
|
(CI => O[2]) = 239;
|
|
(CYINIT => O[3]) = 642;
|
|
(DI[0] => O[3]) = 615;
|
|
(DI[1] => O[3]) = 596;
|
|
(DI[2] => O[3]) = 438;
|
|
(S[0] => O[3]) = 582;
|
|
(S[1] => O[3]) = 618;
|
|
(S[2] => O[3]) = 330;
|
|
(S[3] => O[3]) = 227;
|
|
(CI => O[3]) = 313;
|
|
(CYINIT => CO[0]) = 536;
|
|
(DI[0] => CO[0]) = 379;
|
|
(S[0] => CO[0]) = 340;
|
|
(CI => CO[0]) = 271;
|
|
(CYINIT => CO[1]) = 494;
|
|
(DI[0] => CO[1]) = 465;
|
|
(DI[1] => CO[1]) = 445;
|
|
(S[0] => CO[1]) = 433;
|
|
(S[1] => CO[1]) = 469;
|
|
(CI => CO[1]) = 157;
|
|
(CYINIT => CO[2]) = 592;
|
|
(DI[0] => CO[2]) = 540;
|
|
(DI[1] => CO[2]) = 520;
|
|
(DI[2] => CO[2]) = 356;
|
|
(S[0] => CO[2]) = 512;
|
|
(S[1] => CO[2]) = 548;
|
|
(S[2] => CO[2]) = 292;
|
|
(CI => CO[2]) = 228;
|
|
(CYINIT => CO[3]) = 580;
|
|
(DI[0] => CO[3]) = 526;
|
|
(DI[1] => CO[3]) = 507;
|
|
(DI[2] => CO[3]) = 398;
|
|
(DI[3] => CO[3]) = 385;
|
|
(S[0] => CO[3]) = 508;
|
|
(S[1] => CO[3]) = 528;
|
|
(S[2] => CO[3]) = 378;
|
|
(S[3] => CO[3]) = 380;
|
|
(CI => CO[3]) = 114;
|
|
endspecify
|
|
endmodule
|
|
|
|
module CARRY8(
|
|
output [7:0] CO,
|
|
output [7:0] O,
|
|
input CI,
|
|
input CI_TOP,
|
|
input [7:0] DI, S
|
|
);
|
|
parameter CARRY_TYPE = "SINGLE_CY8";
|
|
wire CI4 = (CARRY_TYPE == "DUAL_CY4" ? CI_TOP : CO[3]);
|
|
assign O = S ^ {CO[6:4], CI4, CO[2:0], CI};
|
|
assign CO[0] = S[0] ? CI : DI[0];
|
|
assign CO[1] = S[1] ? CO[0] : DI[1];
|
|
assign CO[2] = S[2] ? CO[1] : DI[2];
|
|
assign CO[3] = S[3] ? CO[2] : DI[3];
|
|
assign CO[4] = S[4] ? CI4 : DI[4];
|
|
assign CO[5] = S[5] ? CO[4] : DI[5];
|
|
assign CO[6] = S[6] ? CO[5] : DI[6];
|
|
assign CO[7] = S[7] ? CO[6] : DI[7];
|
|
endmodule
|
|
|
|
module ORCY (output O, input CI, I);
|
|
assign O = CI | I;
|
|
endmodule
|
|
|
|
module MULT_AND (output LO, input I0, I1);
|
|
assign LO = I0 & I1;
|
|
endmodule
|
|
|
|
// Flip-flops and latches.
|
|
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L238-L250
|
|
|
|
(* abc9_flop, lib_whitebox *)
|
|
module FDRE (
|
|
output reg Q,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_C_INVERTED" *)
|
|
input C,
|
|
input CE,
|
|
(* invertible_pin = "IS_D_INVERTED" *)
|
|
input D,
|
|
(* invertible_pin = "IS_R_INVERTED" *)
|
|
input R
|
|
);
|
|
parameter [0:0] INIT = 1'b0;
|
|
parameter [0:0] IS_C_INVERTED = 1'b0;
|
|
parameter [0:0] IS_D_INVERTED = 1'b0;
|
|
parameter [0:0] IS_R_INVERTED = 1'b0;
|
|
initial Q <= INIT;
|
|
generate
|
|
case (|IS_C_INVERTED)
|
|
1'b0: always @(posedge C) if (R == !IS_R_INVERTED) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
1'b1: always @(negedge C) if (R == !IS_R_INVERTED) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
endcase
|
|
endgenerate
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L249
|
|
$setup(D , posedge C &&& CE && !IS_C_INVERTED , /*-46*/ 0); // Negative times not currently supported
|
|
$setup(D , negedge C &&& CE && IS_C_INVERTED , /*-46*/ 0); // Negative times not currently supported
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L248
|
|
$setup(CE, posedge C &&& !IS_C_INVERTED, 109);
|
|
$setup(CE, negedge C &&& IS_C_INVERTED, 109);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L274
|
|
$setup(R , posedge C &&& !IS_C_INVERTED, 404);
|
|
$setup(R , negedge C &&& IS_C_INVERTED, 404);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L243
|
|
if (!IS_C_INVERTED && R != IS_R_INVERTED) (posedge C => (Q : 1'b0)) = 303;
|
|
if ( IS_C_INVERTED && R != IS_R_INVERTED) (negedge C => (Q : 1'b0)) = 303;
|
|
if (!IS_C_INVERTED && R == IS_R_INVERTED && CE) (posedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
|
if ( IS_C_INVERTED && R == IS_R_INVERTED && CE) (negedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_flop, lib_whitebox *)
|
|
module FDRE_1 (
|
|
output reg Q,
|
|
(* clkbuf_sink *)
|
|
input C,
|
|
input CE,
|
|
input D,
|
|
input R
|
|
);
|
|
parameter [0:0] INIT = 1'b0;
|
|
initial Q <= INIT;
|
|
always @(negedge C) if (R) Q <= 1'b0; else if (CE) Q <= D;
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L249
|
|
$setup(D , negedge C &&& CE, /*-46*/ 0); // Negative times not currently supported
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L248
|
|
$setup(CE, negedge C, 109);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L274
|
|
$setup(R , negedge C, 404); // https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L243
|
|
if (R) (negedge C => (Q : 1'b0)) = 303;
|
|
if (!R && CE) (negedge C => (Q : D)) = 303;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_flop, lib_whitebox *)
|
|
module FDSE (
|
|
output reg Q,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_C_INVERTED" *)
|
|
input C,
|
|
input CE,
|
|
(* invertible_pin = "IS_D_INVERTED" *)
|
|
input D,
|
|
(* invertible_pin = "IS_S_INVERTED" *)
|
|
input S
|
|
);
|
|
parameter [0:0] INIT = 1'b1;
|
|
parameter [0:0] IS_C_INVERTED = 1'b0;
|
|
parameter [0:0] IS_D_INVERTED = 1'b0;
|
|
parameter [0:0] IS_S_INVERTED = 1'b0;
|
|
initial Q <= INIT;
|
|
generate
|
|
case (|IS_C_INVERTED)
|
|
1'b0: always @(posedge C) if (S == !IS_S_INVERTED) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
1'b1: always @(negedge C) if (S == !IS_S_INVERTED) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
endcase
|
|
endgenerate
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L249
|
|
$setup(D , posedge C &&& !IS_C_INVERTED && CE, /*-46*/ 0); // Negative times not currently supported
|
|
$setup(D , negedge C &&& IS_C_INVERTED && CE, /*-46*/ 0); // Negative times not currently supported
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L248
|
|
$setup(CE, posedge C &&& !IS_C_INVERTED, 109);
|
|
$setup(CE, negedge C &&& IS_C_INVERTED, 109);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L274
|
|
$setup(S , posedge C &&& !IS_C_INVERTED, 404);
|
|
$setup(S , negedge C &&& IS_C_INVERTED, 404);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L243
|
|
if (!IS_C_INVERTED && S != IS_S_INVERTED) (posedge C => (Q : 1'b1)) = 303;
|
|
if ( IS_C_INVERTED && S != IS_S_INVERTED) (negedge C => (Q : 1'b1)) = 303;
|
|
if (!IS_C_INVERTED && S == IS_S_INVERTED && CE) (posedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
|
if ( IS_C_INVERTED && S == IS_S_INVERTED && CE) (negedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_flop, lib_whitebox *)
|
|
module FDSE_1 (
|
|
output reg Q,
|
|
(* clkbuf_sink *)
|
|
input C,
|
|
input CE,
|
|
input D,
|
|
input S
|
|
);
|
|
parameter [0:0] INIT = 1'b1;
|
|
initial Q <= INIT;
|
|
always @(negedge C) if (S) Q <= 1'b1; else if (CE) Q <= D;
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L249
|
|
$setup(D , negedge C &&& CE, /*-46*/ 0); // Negative times not currently supported
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L248
|
|
$setup(CE, negedge C, 109);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L274
|
|
$setup(S , negedge C, 404);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L243
|
|
if (S) (negedge C => (Q : 1'b1)) = 303;
|
|
if (!S && CE) (negedge C => (Q : D)) = 303;
|
|
endspecify
|
|
endmodule
|
|
|
|
module FDRSE (
|
|
output reg Q,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_C_INVERTED" *)
|
|
input C,
|
|
(* invertible_pin = "IS_CE_INVERTED" *)
|
|
input CE,
|
|
(* invertible_pin = "IS_D_INVERTED" *)
|
|
input D,
|
|
(* invertible_pin = "IS_R_INVERTED" *)
|
|
input R,
|
|
(* invertible_pin = "IS_S_INVERTED" *)
|
|
input S
|
|
);
|
|
parameter [0:0] INIT = 1'b0;
|
|
parameter [0:0] IS_C_INVERTED = 1'b0;
|
|
parameter [0:0] IS_CE_INVERTED = 1'b0;
|
|
parameter [0:0] IS_D_INVERTED = 1'b0;
|
|
parameter [0:0] IS_R_INVERTED = 1'b0;
|
|
parameter [0:0] IS_S_INVERTED = 1'b0;
|
|
initial Q <= INIT;
|
|
wire c = C ^ IS_C_INVERTED;
|
|
wire ce = CE ^ IS_CE_INVERTED;
|
|
wire d = D ^ IS_D_INVERTED;
|
|
wire r = R ^ IS_R_INVERTED;
|
|
wire s = S ^ IS_S_INVERTED;
|
|
always @(posedge c)
|
|
if (r)
|
|
Q <= 0;
|
|
else if (s)
|
|
Q <= 1;
|
|
else if (ce)
|
|
Q <= d;
|
|
endmodule
|
|
|
|
module FDRSE_1 (
|
|
output reg Q,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_C_INVERTED" *)
|
|
input C,
|
|
(* invertible_pin = "IS_CE_INVERTED" *)
|
|
input CE,
|
|
(* invertible_pin = "IS_D_INVERTED" *)
|
|
input D,
|
|
(* invertible_pin = "IS_R_INVERTED" *)
|
|
input R,
|
|
(* invertible_pin = "IS_S_INVERTED" *)
|
|
input S
|
|
);
|
|
parameter [0:0] INIT = 1'b0;
|
|
parameter [0:0] IS_C_INVERTED = 1'b0;
|
|
parameter [0:0] IS_CE_INVERTED = 1'b0;
|
|
parameter [0:0] IS_D_INVERTED = 1'b0;
|
|
parameter [0:0] IS_R_INVERTED = 1'b0;
|
|
parameter [0:0] IS_S_INVERTED = 1'b0;
|
|
initial Q <= INIT;
|
|
wire c = C ^ IS_C_INVERTED;
|
|
wire ce = CE ^ IS_CE_INVERTED;
|
|
wire d = D ^ IS_D_INVERTED;
|
|
wire r = R ^ IS_R_INVERTED;
|
|
wire s = S ^ IS_S_INVERTED;
|
|
always @(negedge c)
|
|
if (r)
|
|
Q <= 0;
|
|
else if (s)
|
|
Q <= 1;
|
|
else if (ce)
|
|
Q <= d;
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module FDCE (
|
|
output reg Q,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_C_INVERTED" *)
|
|
input C,
|
|
input CE,
|
|
(* invertible_pin = "IS_CLR_INVERTED" *)
|
|
input CLR,
|
|
(* invertible_pin = "IS_D_INVERTED" *)
|
|
input D
|
|
);
|
|
parameter [0:0] INIT = 1'b0;
|
|
parameter [0:0] IS_C_INVERTED = 1'b0;
|
|
parameter [0:0] IS_D_INVERTED = 1'b0;
|
|
parameter [0:0] IS_CLR_INVERTED = 1'b0;
|
|
initial Q <= INIT;
|
|
generate
|
|
case ({|IS_C_INVERTED, |IS_CLR_INVERTED})
|
|
2'b00: always @(posedge C, posedge CLR) if ( CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
2'b01: always @(posedge C, negedge CLR) if (!CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
2'b10: always @(negedge C, posedge CLR) if ( CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
2'b11: always @(negedge C, negedge CLR) if (!CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
endcase
|
|
endgenerate
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L249
|
|
$setup(D , posedge C &&& !IS_C_INVERTED && CE, /*-46*/ 0); // Negative times not currently supported
|
|
$setup(D , negedge C &&& IS_C_INVERTED && CE, /*-46*/ 0); // Negative times not currently supported
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L248
|
|
$setup(CE , posedge C &&& !IS_C_INVERTED, 109);
|
|
$setup(CE , negedge C &&& IS_C_INVERTED, 109);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L274
|
|
$setup(CLR, posedge C &&& !IS_C_INVERTED, 404);
|
|
$setup(CLR, negedge C &&& IS_C_INVERTED, 404);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L270
|
|
`ifndef YOSYS
|
|
if (!IS_CLR_INVERTED) (posedge CLR => (Q : 1'b0)) = 764;
|
|
if ( IS_CLR_INVERTED) (negedge CLR => (Q : 1'b0)) = 764;
|
|
`else
|
|
if (IS_CLR_INVERTED != CLR) (CLR => Q) = 764; // Technically, this should be an edge sensitive path
|
|
// but for facilitating a bypass box, let's pretend it's
|
|
// a simple path
|
|
`endif
|
|
if (!IS_C_INVERTED && CLR == IS_CLR_INVERTED && CE) (posedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
|
if ( IS_C_INVERTED && CLR == IS_CLR_INVERTED && CE) (negedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module FDCE_1 (
|
|
output reg Q,
|
|
(* clkbuf_sink *)
|
|
input C,
|
|
input CE,
|
|
input CLR,
|
|
input D
|
|
);
|
|
parameter [0:0] INIT = 1'b0;
|
|
initial Q <= INIT;
|
|
always @(negedge C, posedge CLR) if (CLR) Q <= 1'b0; else if (CE) Q <= D;
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L249
|
|
$setup(D , negedge C &&& CE, /*-46*/ 0); // Negative times not currently supported
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L248
|
|
$setup(CE , negedge C, 109);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L274
|
|
$setup(CLR, negedge C, 404);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L270
|
|
`ifndef YOSYS
|
|
(posedge CLR => (Q : 1'b0)) = 764;
|
|
`else
|
|
if (CLR) (CLR => Q) = 764; // Technically, this should be an edge sensitive path
|
|
// but for facilitating a bypass box, let's pretend it's
|
|
// a simple path
|
|
`endif
|
|
if (!CLR && CE) (negedge C => (Q : D)) = 303;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module FDPE (
|
|
output reg Q,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_C_INVERTED" *)
|
|
input C,
|
|
input CE,
|
|
(* invertible_pin = "IS_D_INVERTED" *)
|
|
input D,
|
|
(* invertible_pin = "IS_PRE_INVERTED" *)
|
|
input PRE
|
|
);
|
|
parameter [0:0] INIT = 1'b1;
|
|
parameter [0:0] IS_C_INVERTED = 1'b0;
|
|
parameter [0:0] IS_D_INVERTED = 1'b0;
|
|
parameter [0:0] IS_PRE_INVERTED = 1'b0;
|
|
initial Q <= INIT;
|
|
generate case ({|IS_C_INVERTED, |IS_PRE_INVERTED})
|
|
2'b00: always @(posedge C, posedge PRE) if ( PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
2'b01: always @(posedge C, negedge PRE) if (!PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
2'b10: always @(negedge C, posedge PRE) if ( PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
2'b11: always @(negedge C, negedge PRE) if (!PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED;
|
|
endcase
|
|
endgenerate
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L249
|
|
$setup(D , posedge C &&& !IS_C_INVERTED && CE, /*-46*/ 0); // Negative times not currently supported
|
|
$setup(D , negedge C &&& IS_C_INVERTED && CE, /*-46*/ 0); // Negative times not currently supported
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L248
|
|
$setup(CE , posedge C &&& !IS_C_INVERTED, 109);
|
|
$setup(CE , negedge C &&& IS_C_INVERTED, 109);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L274
|
|
$setup(PRE, posedge C &&& !IS_C_INVERTED, 404);
|
|
$setup(PRE, negedge C &&& IS_C_INVERTED, 404);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L270
|
|
`ifndef YOSYS
|
|
if (!IS_PRE_INVERTED) (posedge PRE => (Q : 1'b1)) = 764;
|
|
if ( IS_PRE_INVERTED) (negedge PRE => (Q : 1'b1)) = 764;
|
|
`else
|
|
if (IS_PRE_INVERTED != PRE) (PRE => Q) = 764; // Technically, this should be an edge sensitive path
|
|
// but for facilitating a bypass box, let's pretend it's
|
|
// a simple path
|
|
`endif
|
|
if (!IS_C_INVERTED && PRE == IS_PRE_INVERTED && CE) (posedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
|
if ( IS_C_INVERTED && PRE == IS_PRE_INVERTED && CE) (negedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module FDPE_1 (
|
|
output reg Q,
|
|
(* clkbuf_sink *)
|
|
input C,
|
|
input CE,
|
|
input D,
|
|
input PRE
|
|
);
|
|
parameter [0:0] INIT = 1'b1;
|
|
initial Q <= INIT;
|
|
always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D;
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L249
|
|
$setup(D , negedge C &&& CE, /*-46*/ 0); // Negative times not currently supported
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L248
|
|
$setup(CE , negedge C, 109);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L274
|
|
$setup(PRE, negedge C, 404);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L270
|
|
`ifndef YOSYS
|
|
(posedge PRE => (Q : 1'b1)) = 764;
|
|
`else
|
|
if (PRE) (PRE => Q) = 764; // Technically, this should be an edge sensitive path
|
|
// but for facilitating a bypass box, let's pretend it's
|
|
// a simple path
|
|
`endif
|
|
if (!PRE && CE) (negedge C => (Q : D)) = 303;
|
|
endspecify
|
|
endmodule
|
|
|
|
module FDCPE (
|
|
output wire Q,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_C_INVERTED" *)
|
|
input C,
|
|
input CE,
|
|
(* invertible_pin = "IS_CLR_INVERTED" *)
|
|
input CLR,
|
|
input D,
|
|
(* invertible_pin = "IS_PRE_INVERTED" *)
|
|
input PRE
|
|
);
|
|
parameter [0:0] INIT = 1'b0;
|
|
parameter [0:0] IS_C_INVERTED = 1'b0;
|
|
parameter [0:0] IS_CLR_INVERTED = 1'b0;
|
|
parameter [0:0] IS_PRE_INVERTED = 1'b0;
|
|
wire c = C ^ IS_C_INVERTED;
|
|
wire clr = CLR ^ IS_CLR_INVERTED;
|
|
wire pre = PRE ^ IS_PRE_INVERTED;
|
|
// Hacky model to avoid simulation-synthesis mismatches.
|
|
reg qc, qp, qs;
|
|
initial qc = INIT;
|
|
initial qp = INIT;
|
|
initial qs = 0;
|
|
always @(posedge c, posedge clr) begin
|
|
if (clr)
|
|
qc <= 0;
|
|
else if (CE)
|
|
qc <= D;
|
|
end
|
|
always @(posedge c, posedge pre) begin
|
|
if (pre)
|
|
qp <= 1;
|
|
else if (CE)
|
|
qp <= D;
|
|
end
|
|
always @* begin
|
|
if (clr)
|
|
qs <= 0;
|
|
else if (pre)
|
|
qs <= 1;
|
|
end
|
|
assign Q = qs ? qp : qc;
|
|
endmodule
|
|
|
|
module FDCPE_1 (
|
|
output wire Q,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_C_INVERTED" *)
|
|
input C,
|
|
input CE,
|
|
(* invertible_pin = "IS_CLR_INVERTED" *)
|
|
input CLR,
|
|
input D,
|
|
(* invertible_pin = "IS_PRE_INVERTED" *)
|
|
input PRE
|
|
);
|
|
parameter [0:0] INIT = 1'b0;
|
|
parameter [0:0] IS_C_INVERTED = 1'b0;
|
|
parameter [0:0] IS_CLR_INVERTED = 1'b0;
|
|
parameter [0:0] IS_PRE_INVERTED = 1'b0;
|
|
wire c = C ^ IS_C_INVERTED;
|
|
wire clr = CLR ^ IS_CLR_INVERTED;
|
|
wire pre = PRE ^ IS_PRE_INVERTED;
|
|
// Hacky model to avoid simulation-synthesis mismatches.
|
|
reg qc, qp, qs;
|
|
initial qc = INIT;
|
|
initial qp = INIT;
|
|
initial qs = 0;
|
|
always @(negedge c, posedge clr) begin
|
|
if (clr)
|
|
qc <= 0;
|
|
else if (CE)
|
|
qc <= D;
|
|
end
|
|
always @(negedge c, posedge pre) begin
|
|
if (pre)
|
|
qp <= 1;
|
|
else if (CE)
|
|
qp <= D;
|
|
end
|
|
always @* begin
|
|
if (clr)
|
|
qs <= 0;
|
|
else if (pre)
|
|
qs <= 1;
|
|
end
|
|
assign Q = qs ? qp : qc;
|
|
endmodule
|
|
|
|
module LDCE (
|
|
output reg Q,
|
|
(* invertible_pin = "IS_CLR_INVERTED" *)
|
|
input CLR,
|
|
input D,
|
|
(* invertible_pin = "IS_G_INVERTED" *)
|
|
input G,
|
|
input GE
|
|
);
|
|
parameter [0:0] INIT = 1'b0;
|
|
parameter [0:0] IS_CLR_INVERTED = 1'b0;
|
|
parameter [0:0] IS_G_INVERTED = 1'b0;
|
|
parameter MSGON = "TRUE";
|
|
parameter XON = "TRUE";
|
|
initial Q = INIT;
|
|
wire clr = CLR ^ IS_CLR_INVERTED;
|
|
wire g = G ^ IS_G_INVERTED;
|
|
always @*
|
|
if (clr) Q <= 1'b0;
|
|
else if (GE && g) Q <= D;
|
|
endmodule
|
|
|
|
module LDPE (
|
|
output reg Q,
|
|
input D,
|
|
(* invertible_pin = "IS_G_INVERTED" *)
|
|
input G,
|
|
input GE,
|
|
(* invertible_pin = "IS_PRE_INVERTED" *)
|
|
input PRE
|
|
);
|
|
parameter [0:0] INIT = 1'b1;
|
|
parameter [0:0] IS_G_INVERTED = 1'b0;
|
|
parameter [0:0] IS_PRE_INVERTED = 1'b0;
|
|
parameter MSGON = "TRUE";
|
|
parameter XON = "TRUE";
|
|
initial Q = INIT;
|
|
wire g = G ^ IS_G_INVERTED;
|
|
wire pre = PRE ^ IS_PRE_INVERTED;
|
|
always @*
|
|
if (pre) Q <= 1'b1;
|
|
else if (GE && g) Q <= D;
|
|
endmodule
|
|
|
|
module LDCPE (
|
|
output reg Q,
|
|
(* invertible_pin = "IS_CLR_INVERTED" *)
|
|
input CLR,
|
|
(* invertible_pin = "IS_D_INVERTED" *)
|
|
input D,
|
|
(* invertible_pin = "IS_G_INVERTED" *)
|
|
input G,
|
|
(* invertible_pin = "IS_GE_INVERTED" *)
|
|
input GE,
|
|
(* invertible_pin = "IS_PRE_INVERTED" *)
|
|
input PRE
|
|
);
|
|
parameter [0:0] INIT = 1'b1;
|
|
parameter [0:0] IS_CLR_INVERTED = 1'b0;
|
|
parameter [0:0] IS_D_INVERTED = 1'b0;
|
|
parameter [0:0] IS_G_INVERTED = 1'b0;
|
|
parameter [0:0] IS_GE_INVERTED = 1'b0;
|
|
parameter [0:0] IS_PRE_INVERTED = 1'b0;
|
|
initial Q = INIT;
|
|
wire d = D ^ IS_D_INVERTED;
|
|
wire g = G ^ IS_G_INVERTED;
|
|
wire ge = GE ^ IS_GE_INVERTED;
|
|
wire clr = CLR ^ IS_CLR_INVERTED;
|
|
wire pre = PRE ^ IS_PRE_INVERTED;
|
|
always @*
|
|
if (clr) Q <= 1'b0;
|
|
else if (pre) Q <= 1'b1;
|
|
else if (ge && g) Q <= d;
|
|
endmodule
|
|
|
|
module AND2B1L (
|
|
output O,
|
|
input DI,
|
|
(* invertible_pin = "IS_SRI_INVERTED" *)
|
|
input SRI
|
|
);
|
|
parameter [0:0] IS_SRI_INVERTED = 1'b0;
|
|
assign O = DI & ~(SRI ^ IS_SRI_INVERTED);
|
|
endmodule
|
|
|
|
module OR2L (
|
|
output O,
|
|
input DI,
|
|
(* invertible_pin = "IS_SRI_INVERTED" *)
|
|
input SRI
|
|
);
|
|
parameter [0:0] IS_SRI_INVERTED = 1'b0;
|
|
assign O = DI | (SRI ^ IS_SRI_INVERTED);
|
|
endmodule
|
|
|
|
// LUTRAM.
|
|
|
|
// Single port.
|
|
|
|
module RAM16X1S (
|
|
output O,
|
|
input A0, A1, A2, A3,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [15:0] INIT = 16'h0000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [3:0] a = {A3, A2, A1, A0};
|
|
reg [15:0] mem = INIT;
|
|
assign O = mem[a];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[a] <= D;
|
|
endmodule
|
|
|
|
module RAM16X1S_1 (
|
|
output O,
|
|
input A0, A1, A2, A3,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [15:0] INIT = 16'h0000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [3:0] a = {A3, A2, A1, A0};
|
|
reg [15:0] mem = INIT;
|
|
assign O = mem[a];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(negedge clk) if (WE) mem[a] <= D;
|
|
endmodule
|
|
|
|
module RAM32X1S (
|
|
output O,
|
|
input A0, A1, A2, A3, A4,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [31:0] INIT = 32'h00000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [4:0] a = {A4, A3, A2, A1, A0};
|
|
reg [31:0] mem = INIT;
|
|
assign O = mem[a];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[a] <= D;
|
|
endmodule
|
|
|
|
module RAM32X1S_1 (
|
|
output O,
|
|
input A0, A1, A2, A3, A4,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [31:0] INIT = 32'h00000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [4:0] a = {A4, A3, A2, A1, A0};
|
|
reg [31:0] mem = INIT;
|
|
assign O = mem[a];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(negedge clk) if (WE) mem[a] <= D;
|
|
endmodule
|
|
|
|
module RAM64X1S (
|
|
output O,
|
|
input A0, A1, A2, A3, A4, A5,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [63:0] INIT = 64'h0000000000000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [5:0] a = {A5, A4, A3, A2, A1, A0};
|
|
reg [63:0] mem = INIT;
|
|
assign O = mem[a];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[a] <= D;
|
|
endmodule
|
|
|
|
module RAM64X1S_1 (
|
|
output O,
|
|
input A0, A1, A2, A3, A4, A5,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [63:0] INIT = 64'h0000000000000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [5:0] a = {A5, A4, A3, A2, A1, A0};
|
|
reg [63:0] mem = INIT;
|
|
assign O = mem[a];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(negedge clk) if (WE) mem[a] <= D;
|
|
endmodule
|
|
|
|
module RAM128X1S (
|
|
output O,
|
|
input A0, A1, A2, A3, A4, A5, A6,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [127:0] INIT = 128'h00000000000000000000000000000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [6:0] a = {A6, A5, A4, A3, A2, A1, A0};
|
|
reg [127:0] mem = INIT;
|
|
assign O = mem[a];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[a] <= D;
|
|
endmodule
|
|
|
|
module RAM128X1S_1 (
|
|
output O,
|
|
input A0, A1, A2, A3, A4, A5, A6,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [127:0] INIT = 128'h00000000000000000000000000000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [6:0] a = {A6, A5, A4, A3, A2, A1, A0};
|
|
reg [127:0] mem = INIT;
|
|
assign O = mem[a];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(negedge clk) if (WE) mem[a] <= D;
|
|
endmodule
|
|
|
|
module RAM256X1S (
|
|
output O,
|
|
input [7:0] A,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [255:0] INIT = 256'h0;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
reg [255:0] mem = INIT;
|
|
assign O = mem[A];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[A] <= D;
|
|
endmodule
|
|
|
|
module RAM512X1S (
|
|
output O,
|
|
input [8:0] A,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [511:0] INIT = 512'h0;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
reg [511:0] mem = INIT;
|
|
assign O = mem[A];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[A] <= D;
|
|
endmodule
|
|
|
|
// Single port, wide.
|
|
|
|
module RAM16X2S (
|
|
output O0, O1,
|
|
input A0, A1, A2, A3,
|
|
input D0, D1,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [15:0] INIT_00 = 16'h0000;
|
|
parameter [15:0] INIT_01 = 16'h0000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [3:0] a = {A3, A2, A1, A0};
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
reg [15:0] mem0 = INIT_00;
|
|
reg [15:0] mem1 = INIT_01;
|
|
assign O0 = mem0[a];
|
|
assign O1 = mem1[a];
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem0[a] <= D0;
|
|
mem1[a] <= D1;
|
|
end
|
|
endmodule
|
|
|
|
module RAM32X2S (
|
|
output O0, O1,
|
|
input A0, A1, A2, A3, A4,
|
|
input D0, D1,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [31:0] INIT_00 = 32'h00000000;
|
|
parameter [31:0] INIT_01 = 32'h00000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [4:0] a = {A4, A3, A2, A1, A0};
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
reg [31:0] mem0 = INIT_00;
|
|
reg [31:0] mem1 = INIT_01;
|
|
assign O0 = mem0[a];
|
|
assign O1 = mem1[a];
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem0[a] <= D0;
|
|
mem1[a] <= D1;
|
|
end
|
|
endmodule
|
|
|
|
module RAM64X2S (
|
|
output O0, O1,
|
|
input A0, A1, A2, A3, A4, A5,
|
|
input D0, D1,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [63:0] INIT_00 = 64'h0000000000000000;
|
|
parameter [63:0] INIT_01 = 64'h0000000000000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [5:0] a = {A5, A3, A2, A1, A0};
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
reg [63:0] mem0 = INIT_00;
|
|
reg [63:0] mem1 = INIT_01;
|
|
assign O0 = mem0[a];
|
|
assign O1 = mem1[a];
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem0[a] <= D0;
|
|
mem1[a] <= D1;
|
|
end
|
|
endmodule
|
|
|
|
module RAM16X4S (
|
|
output O0, O1, O2, O3,
|
|
input A0, A1, A2, A3,
|
|
input D0, D1, D2, D3,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [15:0] INIT_00 = 16'h0000;
|
|
parameter [15:0] INIT_01 = 16'h0000;
|
|
parameter [15:0] INIT_02 = 16'h0000;
|
|
parameter [15:0] INIT_03 = 16'h0000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [3:0] a = {A3, A2, A1, A0};
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
reg [15:0] mem0 = INIT_00;
|
|
reg [15:0] mem1 = INIT_01;
|
|
reg [15:0] mem2 = INIT_02;
|
|
reg [15:0] mem3 = INIT_03;
|
|
assign O0 = mem0[a];
|
|
assign O1 = mem1[a];
|
|
assign O2 = mem2[a];
|
|
assign O3 = mem3[a];
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem0[a] <= D0;
|
|
mem1[a] <= D1;
|
|
mem2[a] <= D2;
|
|
mem3[a] <= D3;
|
|
end
|
|
endmodule
|
|
|
|
module RAM32X4S (
|
|
output O0, O1, O2, O3,
|
|
input A0, A1, A2, A3, A4,
|
|
input D0, D1, D2, D3,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [31:0] INIT_00 = 32'h00000000;
|
|
parameter [31:0] INIT_01 = 32'h00000000;
|
|
parameter [31:0] INIT_02 = 32'h00000000;
|
|
parameter [31:0] INIT_03 = 32'h00000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [4:0] a = {A4, A3, A2, A1, A0};
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
reg [31:0] mem0 = INIT_00;
|
|
reg [31:0] mem1 = INIT_01;
|
|
reg [31:0] mem2 = INIT_02;
|
|
reg [31:0] mem3 = INIT_03;
|
|
assign O0 = mem0[a];
|
|
assign O1 = mem1[a];
|
|
assign O2 = mem2[a];
|
|
assign O3 = mem3[a];
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem0[a] <= D0;
|
|
mem1[a] <= D1;
|
|
mem2[a] <= D2;
|
|
mem3[a] <= D3;
|
|
end
|
|
endmodule
|
|
|
|
module RAM16X8S (
|
|
output [7:0] O,
|
|
input A0, A1, A2, A3,
|
|
input [7:0] D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [15:0] INIT_00 = 16'h0000;
|
|
parameter [15:0] INIT_01 = 16'h0000;
|
|
parameter [15:0] INIT_02 = 16'h0000;
|
|
parameter [15:0] INIT_03 = 16'h0000;
|
|
parameter [15:0] INIT_04 = 16'h0000;
|
|
parameter [15:0] INIT_05 = 16'h0000;
|
|
parameter [15:0] INIT_06 = 16'h0000;
|
|
parameter [15:0] INIT_07 = 16'h0000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [3:0] a = {A3, A2, A1, A0};
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
reg [15:0] mem0 = INIT_00;
|
|
reg [15:0] mem1 = INIT_01;
|
|
reg [15:0] mem2 = INIT_02;
|
|
reg [15:0] mem3 = INIT_03;
|
|
reg [15:0] mem4 = INIT_04;
|
|
reg [15:0] mem5 = INIT_05;
|
|
reg [15:0] mem6 = INIT_06;
|
|
reg [15:0] mem7 = INIT_07;
|
|
assign O[0] = mem0[a];
|
|
assign O[1] = mem1[a];
|
|
assign O[2] = mem2[a];
|
|
assign O[3] = mem3[a];
|
|
assign O[4] = mem4[a];
|
|
assign O[5] = mem5[a];
|
|
assign O[6] = mem6[a];
|
|
assign O[7] = mem7[a];
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem0[a] <= D[0];
|
|
mem1[a] <= D[1];
|
|
mem2[a] <= D[2];
|
|
mem3[a] <= D[3];
|
|
mem4[a] <= D[4];
|
|
mem5[a] <= D[5];
|
|
mem6[a] <= D[6];
|
|
mem7[a] <= D[7];
|
|
end
|
|
endmodule
|
|
|
|
module RAM32X8S (
|
|
output [7:0] O,
|
|
input A0, A1, A2, A3, A4,
|
|
input [7:0] D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [31:0] INIT_00 = 32'h00000000;
|
|
parameter [31:0] INIT_01 = 32'h00000000;
|
|
parameter [31:0] INIT_02 = 32'h00000000;
|
|
parameter [31:0] INIT_03 = 32'h00000000;
|
|
parameter [31:0] INIT_04 = 32'h00000000;
|
|
parameter [31:0] INIT_05 = 32'h00000000;
|
|
parameter [31:0] INIT_06 = 32'h00000000;
|
|
parameter [31:0] INIT_07 = 32'h00000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
wire [4:0] a = {A4, A3, A2, A1, A0};
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
reg [31:0] mem0 = INIT_00;
|
|
reg [31:0] mem1 = INIT_01;
|
|
reg [31:0] mem2 = INIT_02;
|
|
reg [31:0] mem3 = INIT_03;
|
|
reg [31:0] mem4 = INIT_04;
|
|
reg [31:0] mem5 = INIT_05;
|
|
reg [31:0] mem6 = INIT_06;
|
|
reg [31:0] mem7 = INIT_07;
|
|
assign O[0] = mem0[a];
|
|
assign O[1] = mem1[a];
|
|
assign O[2] = mem2[a];
|
|
assign O[3] = mem3[a];
|
|
assign O[4] = mem4[a];
|
|
assign O[5] = mem5[a];
|
|
assign O[6] = mem6[a];
|
|
assign O[7] = mem7[a];
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem0[a] <= D[0];
|
|
mem1[a] <= D[1];
|
|
mem2[a] <= D[2];
|
|
mem3[a] <= D[3];
|
|
mem4[a] <= D[4];
|
|
mem5[a] <= D[5];
|
|
mem6[a] <= D[6];
|
|
mem7[a] <= D[7];
|
|
end
|
|
endmodule
|
|
|
|
// Dual port.
|
|
|
|
module RAM16X1D (
|
|
output DPO, SPO,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE,
|
|
input A0, A1, A2, A3,
|
|
input DPRA0, DPRA1, DPRA2, DPRA3
|
|
);
|
|
parameter INIT = 16'h0;
|
|
parameter IS_WCLK_INVERTED = 1'b0;
|
|
wire [3:0] a = {A3, A2, A1, A0};
|
|
wire [3:0] dpra = {DPRA3, DPRA2, DPRA1, DPRA0};
|
|
reg [15:0] mem = INIT;
|
|
assign SPO = mem[a];
|
|
assign DPO = mem[dpra];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[a] <= D;
|
|
endmodule
|
|
|
|
module RAM16X1D_1 (
|
|
output DPO, SPO,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE,
|
|
input A0, A1, A2, A3,
|
|
input DPRA0, DPRA1, DPRA2, DPRA3
|
|
);
|
|
parameter INIT = 16'h0;
|
|
parameter IS_WCLK_INVERTED = 1'b0;
|
|
wire [3:0] a = {A3, A2, A1, A0};
|
|
wire [3:0] dpra = {DPRA3, DPRA2, DPRA1, DPRA0};
|
|
reg [15:0] mem = INIT;
|
|
assign SPO = mem[a];
|
|
assign DPO = mem[dpra];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(negedge clk) if (WE) mem[a] <= D;
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module RAM32X1D (
|
|
output DPO, SPO,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE,
|
|
input A0, A1, A2, A3, A4,
|
|
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4
|
|
);
|
|
parameter INIT = 32'h0;
|
|
parameter IS_WCLK_INVERTED = 1'b0;
|
|
wire [4:0] a = {A4, A3, A2, A1, A0};
|
|
wire [4:0] dpra = {DPRA4, DPRA3, DPRA2, DPRA1, DPRA0};
|
|
reg [31:0] mem = INIT;
|
|
assign SPO = mem[a];
|
|
assign DPO = mem[dpra];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[a] <= D;
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
|
|
$setup(D , posedge WCLK &&& !IS_WCLK_INVERTED && WE, 453);
|
|
$setup(D , negedge WCLK &&& IS_WCLK_INVERTED && WE, 453);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
|
|
$setup(WE, posedge WCLK &&& !IS_WCLK_INVERTED, 654);
|
|
$setup(WE, negedge WCLK &&& IS_WCLK_INVERTED, 654);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L800
|
|
$setup(A0, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 245);
|
|
$setup(A0, negedge WCLK &&& IS_WCLK_INVERTED && WE, 245);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L798
|
|
$setup(A1, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 208);
|
|
$setup(A1, negedge WCLK &&& IS_WCLK_INVERTED && WE, 208);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L796
|
|
$setup(A2, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 147);
|
|
$setup(A2, negedge WCLK &&& IS_WCLK_INVERTED && WE, 147);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L794
|
|
$setup(A3, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 68);
|
|
$setup(A3, negedge WCLK &&& IS_WCLK_INVERTED && WE, 68);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L792
|
|
$setup(A4, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 66);
|
|
$setup(A4, posedge WCLK &&& IS_WCLK_INVERTED && WE, 66);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L981
|
|
if (!IS_WCLK_INVERTED) (posedge WCLK => (SPO : D)) = 1153;
|
|
if (!IS_WCLK_INVERTED) (posedge WCLK => (DPO : 1'bx)) = 1153;
|
|
if ( IS_WCLK_INVERTED) (posedge WCLK => (SPO : D)) = 1153;
|
|
if ( IS_WCLK_INVERTED) (negedge WCLK => (DPO : 1'bx)) = 1153;
|
|
(A0 => SPO) = 642; (DPRA0 => DPO) = 642;
|
|
(A1 => SPO) = 632; (DPRA1 => DPO) = 631;
|
|
(A2 => SPO) = 472; (DPRA2 => DPO) = 472;
|
|
(A3 => SPO) = 407; (DPRA3 => DPO) = 407;
|
|
(A4 => SPO) = 238; (DPRA4 => DPO) = 238;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module RAM32X1D_1 (
|
|
output DPO, SPO,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE,
|
|
input A0,
|
|
input A1,
|
|
input A2,
|
|
input A3,
|
|
input A4,
|
|
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4
|
|
);
|
|
parameter INIT = 32'h0;
|
|
parameter IS_WCLK_INVERTED = 1'b0;
|
|
wire [4:0] a = {A4, A3, A2, A1, A0};
|
|
wire [4:0] dpra = {DPRA4, DPRA3, DPRA2, DPRA1, DPRA0};
|
|
reg [31:0] mem = INIT;
|
|
assign SPO = mem[a];
|
|
assign DPO = mem[dpra];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(negedge clk) if (WE) mem[a] <= D;
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
|
|
$setup(D , negedge WCLK &&& WE, 453);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
|
|
$setup(WE, negedge WCLK, 654);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L800
|
|
$setup(A0, negedge WCLK &&& WE, 245);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L798
|
|
$setup(A1, negedge WCLK &&& WE, 208);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L796
|
|
$setup(A2, negedge WCLK &&& WE, 147);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L794
|
|
$setup(A3, negedge WCLK &&& WE, 68);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L792
|
|
$setup(A4, negedge WCLK &&& WE, 66);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L981
|
|
if (WE) (negedge WCLK => (SPO : D)) = 1153;
|
|
if (WE) (negedge WCLK => (DPO : 1'bx)) = 1153;
|
|
(A0 => SPO) = 642; (DPRA0 => DPO) = 642;
|
|
(A1 => SPO) = 632; (DPRA1 => DPO) = 631;
|
|
(A2 => SPO) = 472; (DPRA2 => DPO) = 472;
|
|
(A3 => SPO) = 407; (DPRA3 => DPO) = 407;
|
|
(A4 => SPO) = 238; (DPRA4 => DPO) = 238;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module RAM64X1D (
|
|
output DPO, SPO,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE,
|
|
input A0, A1, A2, A3, A4, A5,
|
|
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5
|
|
);
|
|
parameter INIT = 64'h0;
|
|
parameter IS_WCLK_INVERTED = 1'b0;
|
|
wire [5:0] a = {A5, A4, A3, A2, A1, A0};
|
|
wire [5:0] dpra = {DPRA5, DPRA4, DPRA3, DPRA2, DPRA1, DPRA0};
|
|
reg [63:0] mem = INIT;
|
|
assign SPO = mem[a];
|
|
assign DPO = mem[dpra];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[a] <= D;
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
|
|
$setup(D , posedge WCLK &&& !IS_WCLK_INVERTED && WE, 453);
|
|
$setup(D , negedge WCLK &&& IS_WCLK_INVERTED && WE, 453);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
|
|
$setup(WE, posedge WCLK &&& !IS_WCLK_INVERTED, 654);
|
|
$setup(WE, negedge WCLK &&& IS_WCLK_INVERTED, 654);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L828
|
|
$setup(A0, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 362);
|
|
$setup(A0, negedge WCLK &&& IS_WCLK_INVERTED && WE, 362);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L826
|
|
$setup(A1, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 245);
|
|
$setup(A1, negedge WCLK &&& IS_WCLK_INVERTED && WE, 245);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L824
|
|
$setup(A2, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 208);
|
|
$setup(A2, negedge WCLK &&& IS_WCLK_INVERTED && WE, 208);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L822
|
|
$setup(A3, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 147);
|
|
$setup(A3, negedge WCLK &&& IS_WCLK_INVERTED && WE, 147);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L820
|
|
$setup(A4, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 68);
|
|
$setup(A4, negedge WCLK &&& IS_WCLK_INVERTED && WE, 68);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L818
|
|
$setup(A5, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 66);
|
|
$setup(A5, negedge WCLK &&& IS_WCLK_INVERTED && WE, 66);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L981
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (SPO : D)) = 1153;
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DPO : 1'bx)) = 1153;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (SPO : D)) = 1153;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DPO : 1'bx)) = 1153;
|
|
(A0 => SPO) = 642; (DPRA0 => DPO) = 642;
|
|
(A1 => SPO) = 632; (DPRA1 => DPO) = 631;
|
|
(A2 => SPO) = 472; (DPRA2 => DPO) = 472;
|
|
(A3 => SPO) = 407; (DPRA3 => DPO) = 407;
|
|
(A4 => SPO) = 238; (DPRA4 => DPO) = 238;
|
|
(A5 => SPO) = 127; (DPRA5 => DPO) = 127;
|
|
endspecify
|
|
endmodule
|
|
|
|
module RAM64X1D_1 (
|
|
output DPO, SPO,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE,
|
|
input A0, A1, A2, A3, A4, A5,
|
|
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5
|
|
);
|
|
parameter INIT = 64'h0;
|
|
parameter IS_WCLK_INVERTED = 1'b0;
|
|
wire [5:0] a = {A5, A4, A3, A2, A1, A0};
|
|
wire [5:0] dpra = {DPRA5, DPRA4, DPRA3, DPRA2, DPRA1, DPRA0};
|
|
reg [63:0] mem = INIT;
|
|
assign SPO = mem[a];
|
|
assign DPO = mem[dpra];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(negedge clk) if (WE) mem[a] <= D;
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
|
|
$setup(D , negedge WCLK &&& WE, 453);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
|
|
$setup(WE, negedge WCLK, 654);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L828
|
|
$setup(A0, negedge WCLK &&& WE, 362);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L826
|
|
$setup(A1, negedge WCLK &&& WE, 245);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L824
|
|
$setup(A2, negedge WCLK &&& WE, 208);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L822
|
|
$setup(A3, negedge WCLK &&& WE, 147);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L820
|
|
$setup(A4, negedge WCLK &&& WE, 68);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L818
|
|
$setup(A5, negedge WCLK &&& WE, 66);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L981
|
|
if (WE) (negedge WCLK => (SPO : D)) = 1153;
|
|
if (WE) (negedge WCLK => (DPO : 1'bx)) = 1153;
|
|
(A0 => SPO) = 642; (DPRA0 => DPO) = 642;
|
|
(A1 => SPO) = 632; (DPRA1 => DPO) = 631;
|
|
(A2 => SPO) = 472; (DPRA2 => DPO) = 472;
|
|
(A3 => SPO) = 407; (DPRA3 => DPO) = 407;
|
|
(A4 => SPO) = 238; (DPRA4 => DPO) = 238;
|
|
(A5 => SPO) = 127; (DPRA5 => DPO) = 127;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module RAM128X1D (
|
|
output DPO, SPO,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE,
|
|
input [6:0] A,
|
|
input [6:0] DPRA
|
|
);
|
|
parameter INIT = 128'h0;
|
|
parameter IS_WCLK_INVERTED = 1'b0;
|
|
reg [127:0] mem = INIT;
|
|
assign SPO = mem[A];
|
|
assign DPO = mem[DPRA];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[A] <= D;
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
|
|
$setup(D , posedge WCLK &&& !IS_WCLK_INVERTED && WE, 453);
|
|
$setup(D , negedge WCLK &&& IS_WCLK_INVERTED && WE, 453);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
|
|
$setup(WE, posedge WCLK &&& !IS_WCLK_INVERTED, 654);
|
|
$setup(WE, negedge WCLK &&& IS_WCLK_INVERTED, 654);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L818-830
|
|
$setup(A[0], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 616);
|
|
$setup(A[0], negedge WCLK &&& IS_WCLK_INVERTED && WE, 616);
|
|
$setup(A[1], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 362);
|
|
$setup(A[1], negedge WCLK &&& IS_WCLK_INVERTED && WE, 362);
|
|
$setup(A[2], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 245);
|
|
$setup(A[2], negedge WCLK &&& IS_WCLK_INVERTED && WE, 245);
|
|
$setup(A[3], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 208);
|
|
$setup(A[3], negedge WCLK &&& IS_WCLK_INVERTED && WE, 208);
|
|
$setup(A[4], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 147);
|
|
$setup(A[4], negedge WCLK &&& IS_WCLK_INVERTED && WE, 147);
|
|
$setup(A[5], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 68);
|
|
$setup(A[5], negedge WCLK &&& IS_WCLK_INVERTED && WE, 68);
|
|
$setup(A[6], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 66);
|
|
$setup(A[6], negedge WCLK &&& IS_WCLK_INVERTED && WE, 66);
|
|
`ifndef __ICARUS__
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L981
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (SPO : D)) = 1153 + 217 /* to cross F7AMUX */ + 175 /* AMUX */;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DPO : 1'bx)) = 1153 + 223 /* to cross F7BMUX */ + 174 /* CMUX */;
|
|
(A[0] => SPO) = 642 + 193 /* to cross F7AMUX */ + 175 /* AMUX */;
|
|
(A[1] => SPO) = 631 + 193 /* to cross F7AMUX */ + 175 /* AMUX */;
|
|
(A[2] => SPO) = 472 + 193 /* to cross F7AMUX */ + 175 /* AMUX */;
|
|
(A[3] => SPO) = 407 + 193 /* to cross F7AMUX */ + 175 /* AMUX */;
|
|
(A[4] => SPO) = 238 + 193 /* to cross F7AMUX */ + 175 /* AMUX */;
|
|
(A[5] => SPO) = 127 + 193 /* to cross F7AMUX */ + 175 /* AMUX */;
|
|
(A[6] => SPO) = 0 + 276 /* to select F7AMUX */ + 175 /* AMUX */;
|
|
(DPRA[0] => DPO) = 642 + 223 /* to cross MUXF7 */ + 174 /* CMUX */;
|
|
(DPRA[1] => DPO) = 631 + 223 /* to cross MUXF7 */ + 174 /* CMUX */;
|
|
(DPRA[2] => DPO) = 472 + 223 /* to cross MUXF7 */ + 174 /* CMUX */;
|
|
(DPRA[3] => DPO) = 407 + 223 /* to cross MUXF7 */ + 174 /* CMUX */;
|
|
(DPRA[4] => DPO) = 238 + 223 /* to cross MUXF7 */ + 174 /* CMUX */;
|
|
(DPRA[5] => DPO) = 127 + 223 /* to cross MUXF7 */ + 174 /* CMUX */;
|
|
(DPRA[6] => DPO) = 0 + 296 /* to select MUXF7 */ + 174 /* CMUX */;
|
|
`endif
|
|
endspecify
|
|
endmodule
|
|
|
|
module RAM256X1D (
|
|
output DPO, SPO,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE,
|
|
input [7:0] A, DPRA
|
|
);
|
|
parameter INIT = 256'h0;
|
|
parameter IS_WCLK_INVERTED = 1'b0;
|
|
reg [255:0] mem = INIT;
|
|
assign SPO = mem[A];
|
|
assign DPO = mem[DPRA];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk) if (WE) mem[A] <= D;
|
|
endmodule
|
|
|
|
// Multi port.
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module RAM32M (
|
|
output [1:0] DOA,
|
|
output [1:0] DOB,
|
|
output [1:0] DOC,
|
|
output [1:0] DOD,
|
|
input [4:0] ADDRA, ADDRB, ADDRC,
|
|
input [4:0] ADDRD,
|
|
input [1:0] DIA,
|
|
input [1:0] DIB,
|
|
input [1:0] DIC,
|
|
input [1:0] DID,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [63:0] INIT_A = 64'h0000000000000000;
|
|
parameter [63:0] INIT_B = 64'h0000000000000000;
|
|
parameter [63:0] INIT_C = 64'h0000000000000000;
|
|
parameter [63:0] INIT_D = 64'h0000000000000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
reg [63:0] mem_a = INIT_A;
|
|
reg [63:0] mem_b = INIT_B;
|
|
reg [63:0] mem_c = INIT_C;
|
|
reg [63:0] mem_d = INIT_D;
|
|
assign DOA = mem_a[2*ADDRA+:2];
|
|
assign DOB = mem_b[2*ADDRB+:2];
|
|
assign DOC = mem_c[2*ADDRC+:2];
|
|
assign DOD = mem_d[2*ADDRD+:2];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem_a[2*ADDRD+:2] <= DIA;
|
|
mem_b[2*ADDRD+:2] <= DIB;
|
|
mem_c[2*ADDRD+:2] <= DIC;
|
|
mem_d[2*ADDRD+:2] <= DID;
|
|
end
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
|
|
$setup(ADDRD[0], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 245);
|
|
$setup(ADDRD[0], negedge WCLK &&& IS_WCLK_INVERTED && WE, 245);
|
|
$setup(ADDRD[1], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 208);
|
|
$setup(ADDRD[1], negedge WCLK &&& IS_WCLK_INVERTED && WE, 208);
|
|
$setup(ADDRD[2], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 147);
|
|
$setup(ADDRD[2], negedge WCLK &&& IS_WCLK_INVERTED && WE, 147);
|
|
$setup(ADDRD[3], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 68);
|
|
$setup(ADDRD[3], negedge WCLK &&& IS_WCLK_INVERTED && WE, 68);
|
|
$setup(ADDRD[4], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 66);
|
|
$setup(ADDRD[4], negedge WCLK &&& IS_WCLK_INVERTED && WE, 66);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986-L988
|
|
$setup(DIA[0], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 453);
|
|
$setup(DIA[0], negedge WCLK &&& IS_WCLK_INVERTED && WE, 453);
|
|
$setup(DIA[1], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 384);
|
|
$setup(DIA[1], negedge WCLK &&& IS_WCLK_INVERTED && WE, 384);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1054-L1056
|
|
$setup(DIB[0], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 461);
|
|
$setup(DIB[0], negedge WCLK &&& IS_WCLK_INVERTED && WE, 461);
|
|
$setup(DIB[1], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 354);
|
|
$setup(DIB[1], negedge WCLK &&& IS_WCLK_INVERTED && WE, 354);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1122-L1124
|
|
$setup(DIC[0], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 457);
|
|
$setup(DIC[0], negedge WCLK &&& IS_WCLK_INVERTED && WE, 457);
|
|
$setup(DIC[1], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 375);
|
|
$setup(DIC[1], negedge WCLK &&& IS_WCLK_INVERTED && WE, 375);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1190-L1192
|
|
$setup(DID[0], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 310);
|
|
$setup(DID[0], negedge WCLK &&& IS_WCLK_INVERTED && WE, 310);
|
|
$setup(DID[1], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 334);
|
|
$setup(DID[1], negedge WCLK &&& IS_WCLK_INVERTED && WE, 334);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
|
|
$setup(WE, posedge WCLK &&& !IS_WCLK_INVERTED, 654);
|
|
$setup(WE, negedge WCLK &&& IS_WCLK_INVERTED, 654);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L889
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOA[0] : DIA[0])) = 1153;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOA[0] : DIA[0])) = 1153;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L857
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOA[1] : DIA[1])) = 1188;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOA[1] : DIA[1])) = 1188;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOB[0] : DIB[0])) = 1161;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOB[0] : DIB[0])) = 1161;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L925
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOB[1] : DIB[1])) = 1187;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOB[1] : DIB[1])) = 1187;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L993
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOC[0] : DIC[0])) = 1158;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOC[0] : DIC[0])) = 1158;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L1025
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOC[1] : DIC[1])) = 1180;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOC[1] : DIC[1])) = 1180;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L1093
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOD[0] : DID[0])) = 1163;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOD[0] : DID[0])) = 1163;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L1061
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOD[1] : DID[1])) = 1190;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOD[1] : DID[1])) = 1190;
|
|
(ADDRA[0] *> DOA) = 642; (ADDRB[0] *> DOB) = 642; (ADDRC[0] *> DOC) = 642; (ADDRD[0] *> DOD) = 642;
|
|
(ADDRA[1] *> DOA) = 631; (ADDRB[1] *> DOB) = 631; (ADDRC[1] *> DOC) = 631; (ADDRD[1] *> DOD) = 631;
|
|
(ADDRA[2] *> DOA) = 472; (ADDRB[2] *> DOB) = 472; (ADDRC[2] *> DOC) = 472; (ADDRD[2] *> DOD) = 472;
|
|
(ADDRA[3] *> DOA) = 407; (ADDRB[3] *> DOB) = 407; (ADDRC[3] *> DOC) = 407; (ADDRD[3] *> DOD) = 407;
|
|
(ADDRA[4] *> DOA) = 238; (ADDRB[4] *> DOB) = 238; (ADDRC[4] *> DOC) = 238; (ADDRD[4] *> DOD) = 238;
|
|
endspecify
|
|
endmodule
|
|
|
|
module RAM32M16 (
|
|
output [1:0] DOA,
|
|
output [1:0] DOB,
|
|
output [1:0] DOC,
|
|
output [1:0] DOD,
|
|
output [1:0] DOE,
|
|
output [1:0] DOF,
|
|
output [1:0] DOG,
|
|
output [1:0] DOH,
|
|
input [4:0] ADDRA,
|
|
input [4:0] ADDRB,
|
|
input [4:0] ADDRC,
|
|
input [4:0] ADDRD,
|
|
input [4:0] ADDRE,
|
|
input [4:0] ADDRF,
|
|
input [4:0] ADDRG,
|
|
input [4:0] ADDRH,
|
|
input [1:0] DIA,
|
|
input [1:0] DIB,
|
|
input [1:0] DIC,
|
|
input [1:0] DID,
|
|
input [1:0] DIE,
|
|
input [1:0] DIF,
|
|
input [1:0] DIG,
|
|
input [1:0] DIH,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [63:0] INIT_A = 64'h0000000000000000;
|
|
parameter [63:0] INIT_B = 64'h0000000000000000;
|
|
parameter [63:0] INIT_C = 64'h0000000000000000;
|
|
parameter [63:0] INIT_D = 64'h0000000000000000;
|
|
parameter [63:0] INIT_E = 64'h0000000000000000;
|
|
parameter [63:0] INIT_F = 64'h0000000000000000;
|
|
parameter [63:0] INIT_G = 64'h0000000000000000;
|
|
parameter [63:0] INIT_H = 64'h0000000000000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
reg [63:0] mem_a = INIT_A;
|
|
reg [63:0] mem_b = INIT_B;
|
|
reg [63:0] mem_c = INIT_C;
|
|
reg [63:0] mem_d = INIT_D;
|
|
reg [63:0] mem_e = INIT_E;
|
|
reg [63:0] mem_f = INIT_F;
|
|
reg [63:0] mem_g = INIT_G;
|
|
reg [63:0] mem_h = INIT_H;
|
|
assign DOA = mem_a[2*ADDRA+:2];
|
|
assign DOB = mem_b[2*ADDRB+:2];
|
|
assign DOC = mem_c[2*ADDRC+:2];
|
|
assign DOD = mem_d[2*ADDRD+:2];
|
|
assign DOE = mem_e[2*ADDRE+:2];
|
|
assign DOF = mem_f[2*ADDRF+:2];
|
|
assign DOG = mem_g[2*ADDRG+:2];
|
|
assign DOH = mem_h[2*ADDRH+:2];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem_a[2*ADDRH+:2] <= DIA;
|
|
mem_b[2*ADDRH+:2] <= DIB;
|
|
mem_c[2*ADDRH+:2] <= DIC;
|
|
mem_d[2*ADDRH+:2] <= DID;
|
|
mem_e[2*ADDRH+:2] <= DIE;
|
|
mem_f[2*ADDRH+:2] <= DIF;
|
|
mem_g[2*ADDRH+:2] <= DIG;
|
|
mem_h[2*ADDRH+:2] <= DIH;
|
|
end
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module RAM64M (
|
|
output DOA,
|
|
output DOB,
|
|
output DOC,
|
|
output DOD,
|
|
input [5:0] ADDRA, ADDRB, ADDRC,
|
|
input [5:0] ADDRD,
|
|
input DIA,
|
|
input DIB,
|
|
input DIC,
|
|
input DID,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [63:0] INIT_A = 64'h0000000000000000;
|
|
parameter [63:0] INIT_B = 64'h0000000000000000;
|
|
parameter [63:0] INIT_C = 64'h0000000000000000;
|
|
parameter [63:0] INIT_D = 64'h0000000000000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
reg [63:0] mem_a = INIT_A;
|
|
reg [63:0] mem_b = INIT_B;
|
|
reg [63:0] mem_c = INIT_C;
|
|
reg [63:0] mem_d = INIT_D;
|
|
assign DOA = mem_a[ADDRA];
|
|
assign DOB = mem_b[ADDRB];
|
|
assign DOC = mem_c[ADDRC];
|
|
assign DOD = mem_d[ADDRD];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem_a[ADDRD] <= DIA;
|
|
mem_b[ADDRD] <= DIB;
|
|
mem_c[ADDRD] <= DIC;
|
|
mem_d[ADDRD] <= DID;
|
|
end
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L818-L830
|
|
$setup(ADDRD[0], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 362);
|
|
$setup(ADDRD[0], negedge WCLK &&& IS_WCLK_INVERTED && WE, 362);
|
|
$setup(ADDRD[1], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 245);
|
|
$setup(ADDRD[1], negedge WCLK &&& IS_WCLK_INVERTED && WE, 245);
|
|
$setup(ADDRD[2], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 208);
|
|
$setup(ADDRD[2], negedge WCLK &&& IS_WCLK_INVERTED && WE, 208);
|
|
$setup(ADDRD[3], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 147);
|
|
$setup(ADDRD[3], negedge WCLK &&& IS_WCLK_INVERTED && WE, 147);
|
|
$setup(ADDRD[4], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 68);
|
|
$setup(ADDRD[4], negedge WCLK &&& IS_WCLK_INVERTED && WE, 68);
|
|
$setup(ADDRD[5], posedge WCLK &&& !IS_WCLK_INVERTED && WE, 66);
|
|
$setup(ADDRD[5], negedge WCLK &&& IS_WCLK_INVERTED && WE, 66);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986-L988
|
|
$setup(DIA, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 384);
|
|
$setup(DIA, negedge WCLK &&& IS_WCLK_INVERTED && WE, 384);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1054-L1056
|
|
$setup(DIB, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 354);
|
|
$setup(DIB, negedge WCLK &&& IS_WCLK_INVERTED && WE, 354);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1122-L1124
|
|
$setup(DIC, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 375);
|
|
$setup(DIC, negedge WCLK &&& IS_WCLK_INVERTED && WE, 375);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1190-L1192
|
|
$setup(DID, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 310);
|
|
$setup(DID, negedge WCLK &&& IS_WCLK_INVERTED && WE, 310);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
|
|
$setup(WE, posedge WCLK &&& !IS_WCLK_INVERTED && WE, 654);
|
|
$setup(WE, negedge WCLK &&& IS_WCLK_INVERTED && WE, 654);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L889
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOA : DIA)) = 1153;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOA : DIA)) = 1153;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOB : DIB)) = 1161;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOB : DIB)) = 1161;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L1025
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOC : DIC)) = 1158;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOC : DIC)) = 1158;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L1093
|
|
if (!IS_WCLK_INVERTED && WE) (posedge WCLK => (DOD : DID)) = 1163;
|
|
if ( IS_WCLK_INVERTED && WE) (negedge WCLK => (DOD : DID)) = 1163;
|
|
(ADDRA[0] => DOA) = 642; (ADDRB[0] => DOB) = 642; (ADDRC[0] => DOC) = 642; (ADDRD[0] => DOD) = 642;
|
|
(ADDRA[1] => DOA) = 631; (ADDRB[1] => DOB) = 631; (ADDRC[1] => DOC) = 631; (ADDRD[1] => DOD) = 631;
|
|
(ADDRA[2] => DOA) = 472; (ADDRB[2] => DOB) = 472; (ADDRC[2] => DOC) = 472; (ADDRD[2] => DOD) = 472;
|
|
(ADDRA[3] => DOA) = 407; (ADDRB[3] => DOB) = 407; (ADDRC[3] => DOC) = 407; (ADDRD[3] => DOD) = 407;
|
|
(ADDRA[4] => DOA) = 238; (ADDRB[4] => DOB) = 238; (ADDRC[4] => DOC) = 238; (ADDRD[4] => DOD) = 238;
|
|
endspecify
|
|
endmodule
|
|
|
|
module RAM64M8 (
|
|
output DOA,
|
|
output DOB,
|
|
output DOC,
|
|
output DOD,
|
|
output DOE,
|
|
output DOF,
|
|
output DOG,
|
|
output DOH,
|
|
input [5:0] ADDRA,
|
|
input [5:0] ADDRB,
|
|
input [5:0] ADDRC,
|
|
input [5:0] ADDRD,
|
|
input [5:0] ADDRE,
|
|
input [5:0] ADDRF,
|
|
input [5:0] ADDRG,
|
|
input [5:0] ADDRH,
|
|
input DIA,
|
|
input DIB,
|
|
input DIC,
|
|
input DID,
|
|
input DIE,
|
|
input DIF,
|
|
input DIG,
|
|
input DIH,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [63:0] INIT_A = 64'h0000000000000000;
|
|
parameter [63:0] INIT_B = 64'h0000000000000000;
|
|
parameter [63:0] INIT_C = 64'h0000000000000000;
|
|
parameter [63:0] INIT_D = 64'h0000000000000000;
|
|
parameter [63:0] INIT_E = 64'h0000000000000000;
|
|
parameter [63:0] INIT_F = 64'h0000000000000000;
|
|
parameter [63:0] INIT_G = 64'h0000000000000000;
|
|
parameter [63:0] INIT_H = 64'h0000000000000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
reg [63:0] mem_a = INIT_A;
|
|
reg [63:0] mem_b = INIT_B;
|
|
reg [63:0] mem_c = INIT_C;
|
|
reg [63:0] mem_d = INIT_D;
|
|
reg [63:0] mem_e = INIT_E;
|
|
reg [63:0] mem_f = INIT_F;
|
|
reg [63:0] mem_g = INIT_G;
|
|
reg [63:0] mem_h = INIT_H;
|
|
assign DOA = mem_a[ADDRA];
|
|
assign DOB = mem_b[ADDRB];
|
|
assign DOC = mem_c[ADDRC];
|
|
assign DOD = mem_d[ADDRD];
|
|
assign DOE = mem_e[ADDRE];
|
|
assign DOF = mem_f[ADDRF];
|
|
assign DOG = mem_g[ADDRG];
|
|
assign DOH = mem_h[ADDRH];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem_a[ADDRH] <= DIA;
|
|
mem_b[ADDRH] <= DIB;
|
|
mem_c[ADDRH] <= DIC;
|
|
mem_d[ADDRH] <= DID;
|
|
mem_e[ADDRH] <= DIE;
|
|
mem_f[ADDRH] <= DIF;
|
|
mem_g[ADDRH] <= DIG;
|
|
mem_h[ADDRH] <= DIH;
|
|
end
|
|
endmodule
|
|
|
|
module RAM32X16DR8 (
|
|
output DOA,
|
|
output DOB,
|
|
output DOC,
|
|
output DOD,
|
|
output DOE,
|
|
output DOF,
|
|
output DOG,
|
|
output [1:0] DOH,
|
|
input [5:0] ADDRA, ADDRB, ADDRC, ADDRD, ADDRE, ADDRF, ADDRG,
|
|
input [4:0] ADDRH,
|
|
input [1:0] DIA,
|
|
input [1:0] DIB,
|
|
input [1:0] DIC,
|
|
input [1:0] DID,
|
|
input [1:0] DIE,
|
|
input [1:0] DIF,
|
|
input [1:0] DIG,
|
|
input [1:0] DIH,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE
|
|
);
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
reg [63:0] mem_a, mem_b, mem_c, mem_d, mem_e, mem_f, mem_g, mem_h;
|
|
assign DOA = mem_a[ADDRA];
|
|
assign DOB = mem_b[ADDRB];
|
|
assign DOC = mem_c[ADDRC];
|
|
assign DOD = mem_d[ADDRD];
|
|
assign DOE = mem_e[ADDRE];
|
|
assign DOF = mem_f[ADDRF];
|
|
assign DOG = mem_g[ADDRG];
|
|
assign DOH = mem_h[2*ADDRH+:2];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
mem_a[2*ADDRH+:2] <= DIA;
|
|
mem_b[2*ADDRH+:2] <= DIB;
|
|
mem_c[2*ADDRH+:2] <= DIC;
|
|
mem_d[2*ADDRH+:2] <= DID;
|
|
mem_e[2*ADDRH+:2] <= DIE;
|
|
mem_f[2*ADDRH+:2] <= DIF;
|
|
mem_g[2*ADDRH+:2] <= DIG;
|
|
mem_h[2*ADDRH+:2] <= DIH;
|
|
end
|
|
endmodule
|
|
|
|
module RAM64X8SW (
|
|
output [7:0] O,
|
|
input [5:0] A,
|
|
input D,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_WCLK_INVERTED" *)
|
|
input WCLK,
|
|
input WE,
|
|
input [2:0] WSEL
|
|
);
|
|
parameter [63:0] INIT_A = 64'h0000000000000000;
|
|
parameter [63:0] INIT_B = 64'h0000000000000000;
|
|
parameter [63:0] INIT_C = 64'h0000000000000000;
|
|
parameter [63:0] INIT_D = 64'h0000000000000000;
|
|
parameter [63:0] INIT_E = 64'h0000000000000000;
|
|
parameter [63:0] INIT_F = 64'h0000000000000000;
|
|
parameter [63:0] INIT_G = 64'h0000000000000000;
|
|
parameter [63:0] INIT_H = 64'h0000000000000000;
|
|
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
|
|
reg [63:0] mem_a = INIT_A;
|
|
reg [63:0] mem_b = INIT_B;
|
|
reg [63:0] mem_c = INIT_C;
|
|
reg [63:0] mem_d = INIT_D;
|
|
reg [63:0] mem_e = INIT_E;
|
|
reg [63:0] mem_f = INIT_F;
|
|
reg [63:0] mem_g = INIT_G;
|
|
reg [63:0] mem_h = INIT_H;
|
|
assign O[7] = mem_a[A];
|
|
assign O[6] = mem_b[A];
|
|
assign O[5] = mem_c[A];
|
|
assign O[4] = mem_d[A];
|
|
assign O[3] = mem_e[A];
|
|
assign O[2] = mem_f[A];
|
|
assign O[1] = mem_g[A];
|
|
assign O[0] = mem_h[A];
|
|
wire clk = WCLK ^ IS_WCLK_INVERTED;
|
|
always @(posedge clk)
|
|
if (WE) begin
|
|
case (WSEL)
|
|
3'b111: mem_a[A] <= D;
|
|
3'b110: mem_b[A] <= D;
|
|
3'b101: mem_c[A] <= D;
|
|
3'b100: mem_d[A] <= D;
|
|
3'b011: mem_e[A] <= D;
|
|
3'b010: mem_f[A] <= D;
|
|
3'b001: mem_g[A] <= D;
|
|
3'b000: mem_h[A] <= D;
|
|
endcase
|
|
end
|
|
endmodule
|
|
|
|
// ROM.
|
|
|
|
module ROM16X1 (
|
|
output O,
|
|
input A0, A1, A2, A3
|
|
);
|
|
parameter [15:0] INIT = 16'h0;
|
|
assign O = INIT[{A3, A2, A1, A0}];
|
|
endmodule
|
|
|
|
module ROM32X1 (
|
|
output O,
|
|
input A0, A1, A2, A3, A4
|
|
);
|
|
parameter [31:0] INIT = 32'h0;
|
|
assign O = INIT[{A4, A3, A2, A1, A0}];
|
|
endmodule
|
|
|
|
module ROM64X1 (
|
|
output O,
|
|
input A0, A1, A2, A3, A4, A5
|
|
);
|
|
parameter [63:0] INIT = 64'h0;
|
|
assign O = INIT[{A5, A4, A3, A2, A1, A0}];
|
|
endmodule
|
|
|
|
module ROM128X1 (
|
|
output O,
|
|
input A0, A1, A2, A3, A4, A5, A6
|
|
);
|
|
parameter [127:0] INIT = 128'h0;
|
|
assign O = INIT[{A6, A5, A4, A3, A2, A1, A0}];
|
|
endmodule
|
|
|
|
module ROM256X1 (
|
|
output O,
|
|
input A0, A1, A2, A3, A4, A5, A6, A7
|
|
);
|
|
parameter [255:0] INIT = 256'h0;
|
|
assign O = INIT[{A7, A6, A5, A4, A3, A2, A1, A0}];
|
|
endmodule
|
|
|
|
// Shift registers.
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module SRL16 (
|
|
output Q,
|
|
input A0, A1, A2, A3,
|
|
(* clkbuf_sink *)
|
|
input CLK,
|
|
input D
|
|
);
|
|
parameter [15:0] INIT = 16'h0000;
|
|
|
|
reg [15:0] r = INIT;
|
|
assign Q = r[{A3,A2,A1,A0}];
|
|
always @(posedge CLK) r <= { r[14:0], D };
|
|
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L905
|
|
(posedge CLK => (Q : 1'bx)) = 1472;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L912
|
|
$setup(D , posedge CLK, 173);
|
|
(A0 => Q) = 631;
|
|
(A1 => Q) = 472;
|
|
(A2 => Q) = 407;
|
|
(A3 => Q) = 238;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module SRL16E (
|
|
output Q,
|
|
input A0, A1, A2, A3, CE,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_CLK_INVERTED" *)
|
|
input CLK,
|
|
input D
|
|
);
|
|
parameter [15:0] INIT = 16'h0000;
|
|
parameter [0:0] IS_CLK_INVERTED = 1'b0;
|
|
|
|
reg [15:0] r = INIT;
|
|
assign Q = r[{A3,A2,A1,A0}];
|
|
generate
|
|
if (IS_CLK_INVERTED) begin
|
|
always @(negedge CLK) if (CE) r <= { r[14:0], D };
|
|
end
|
|
else
|
|
always @(posedge CLK) if (CE) r <= { r[14:0], D };
|
|
endgenerate
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L912
|
|
$setup(D , posedge CLK &&& !IS_CLK_INVERTED, 173);
|
|
$setup(D , negedge CLK &&& IS_CLK_INVERTED, 173);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L905
|
|
if (!IS_CLK_INVERTED && CE) (posedge CLK => (Q : D)) = 1472;
|
|
if ( IS_CLK_INVERTED && CE) (negedge CLK => (Q : D)) = 1472;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L905
|
|
if (!IS_CLK_INVERTED && CE) (posedge CLK => (Q : 1'bx)) = 1472;
|
|
if ( IS_CLK_INVERTED && CE) (negedge CLK => (Q : 1'bx)) = 1472;
|
|
(A0 => Q) = 631;
|
|
(A1 => Q) = 472;
|
|
(A2 => Q) = 407;
|
|
(A3 => Q) = 238;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module SRLC16 (
|
|
output Q,
|
|
output Q15,
|
|
input A0, A1, A2, A3,
|
|
(* clkbuf_sink *)
|
|
input CLK,
|
|
input D
|
|
);
|
|
parameter [15:0] INIT = 16'h0000;
|
|
|
|
reg [15:0] r = INIT;
|
|
assign Q15 = r[15];
|
|
assign Q = r[{A3,A2,A1,A0}];
|
|
always @(posedge CLK) r <= { r[14:0], D };
|
|
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L912
|
|
$setup(D , posedge CLK, 173);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L905
|
|
(posedge CLK => (Q : 1'bx)) = 1472;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L904
|
|
(posedge CLK => (Q15 : 1'bx)) = 1114;
|
|
(A0 => Q) = 631;
|
|
(A1 => Q) = 472;
|
|
(A2 => Q) = 407;
|
|
(A3 => Q) = 238;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module SRLC16E (
|
|
output Q,
|
|
output Q15,
|
|
input A0, A1, A2, A3, CE,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_CLK_INVERTED" *)
|
|
input CLK,
|
|
input D
|
|
);
|
|
parameter [15:0] INIT = 16'h0000;
|
|
parameter [0:0] IS_CLK_INVERTED = 1'b0;
|
|
|
|
reg [15:0] r = INIT;
|
|
assign Q15 = r[15];
|
|
assign Q = r[{A3,A2,A1,A0}];
|
|
generate
|
|
if (IS_CLK_INVERTED) begin
|
|
always @(negedge CLK) if (CE) r <= { r[14:0], D };
|
|
end
|
|
else
|
|
always @(posedge CLK) if (CE) r <= { r[14:0], D };
|
|
endgenerate
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L912
|
|
$setup(D , posedge CLK &&& !IS_CLK_INVERTED, 173);
|
|
$setup(D , negedge CLK &&& IS_CLK_INVERTED, 173);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L248
|
|
$setup(CE, posedge CLK &&& !IS_CLK_INVERTED, 109);
|
|
$setup(CE, negedge CLK &&& IS_CLK_INVERTED, 109);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L905
|
|
if (!IS_CLK_INVERTED && CE) (posedge CLK => (Q : D)) = 1472;
|
|
if ( IS_CLK_INVERTED && CE) (negedge CLK => (Q : D)) = 1472;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L904
|
|
if (!IS_CLK_INVERTED && CE) (posedge CLK => (Q15 : 1'bx)) = 1114;
|
|
if ( IS_CLK_INVERTED && CE) (negedge CLK => (Q15 : 1'bx)) = 1114;
|
|
(A0 => Q) = 631;
|
|
(A1 => Q) = 472;
|
|
(A2 => Q) = 407;
|
|
(A3 => Q) = 238;
|
|
endspecify
|
|
endmodule
|
|
|
|
(* abc9_box, lib_whitebox *)
|
|
module SRLC32E (
|
|
output Q,
|
|
output Q31,
|
|
input [4:0] A,
|
|
input CE,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_CLK_INVERTED" *)
|
|
input CLK,
|
|
input D
|
|
);
|
|
parameter [31:0] INIT = 32'h00000000;
|
|
parameter [0:0] IS_CLK_INVERTED = 1'b0;
|
|
|
|
reg [31:0] r = INIT;
|
|
assign Q31 = r[31];
|
|
assign Q = r[A];
|
|
generate
|
|
if (IS_CLK_INVERTED) begin
|
|
always @(negedge CLK) if (CE) r <= { r[30:0], D };
|
|
end
|
|
else
|
|
always @(posedge CLK) if (CE) r <= { r[30:0], D };
|
|
endgenerate
|
|
specify
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L912
|
|
$setup(D , posedge CLK &&& !IS_CLK_INVERTED, 173);
|
|
$setup(D , negedge CLK &&& IS_CLK_INVERTED, 173);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L248
|
|
$setup(CE, posedge CLK &&& !IS_CLK_INVERTED, 109);
|
|
$setup(CE, negedge CLK &&& IS_CLK_INVERTED, 109);
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L905
|
|
if (!IS_CLK_INVERTED && CE) (posedge CLK => (Q : 1'bx)) = 1472;
|
|
if ( IS_CLK_INVERTED && CE) (negedge CLK => (Q : 1'bx)) = 1472;
|
|
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L904
|
|
if (!IS_CLK_INVERTED && CE) (posedge CLK => (Q31 : 1'bx)) = 1114;
|
|
if ( IS_CLK_INVERTED && CE) (negedge CLK => (Q31 : 1'bx)) = 1114;
|
|
(A[0] => Q) = 642;
|
|
(A[1] => Q) = 631;
|
|
(A[2] => Q) = 472;
|
|
(A[3] => Q) = 407;
|
|
(A[4] => Q) = 238;
|
|
endspecify
|
|
endmodule
|
|
|
|
module CFGLUT5 (
|
|
output CDO,
|
|
output O5,
|
|
output O6,
|
|
input I4,
|
|
input I3,
|
|
input I2,
|
|
input I1,
|
|
input I0,
|
|
input CDI,
|
|
input CE,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_CLK_INVERTED" *)
|
|
input CLK
|
|
);
|
|
parameter [31:0] INIT = 32'h00000000;
|
|
parameter [0:0] IS_CLK_INVERTED = 1'b0;
|
|
wire clk = CLK ^ IS_CLK_INVERTED;
|
|
reg [31:0] r = INIT;
|
|
assign CDO = r[31];
|
|
assign O5 = r[{1'b0, I3, I2, I1, I0}];
|
|
assign O6 = r[{I4, I3, I2, I1, I0}];
|
|
always @(posedge clk) if (CE) r <= {r[30:0], CDI};
|
|
endmodule
|
|
|
|
// DSP
|
|
|
|
// Virtex 2, Virtex 2 Pro, Spartan 3.
|
|
|
|
// Asynchronous mode.
|
|
|
|
module MULT18X18 (
|
|
input signed [17:0] A,
|
|
input signed [17:0] B,
|
|
output signed [35:0] P
|
|
);
|
|
|
|
assign P = A * B;
|
|
|
|
endmodule
|
|
|
|
// Synchronous mode.
|
|
|
|
module MULT18X18S (
|
|
input signed [17:0] A,
|
|
input signed [17:0] B,
|
|
output reg signed [35:0] P,
|
|
(* clkbuf_sink *)
|
|
input C,
|
|
input CE,
|
|
input R
|
|
);
|
|
|
|
always @(posedge C)
|
|
if (R)
|
|
P <= 0;
|
|
else if (CE)
|
|
P <= A * B;
|
|
|
|
endmodule
|
|
|
|
// Spartan 3E, Spartan 3A.
|
|
|
|
module MULT18X18SIO (
|
|
input signed [17:0] A,
|
|
input signed [17:0] B,
|
|
output signed [35:0] P,
|
|
(* clkbuf_sink *)
|
|
input CLK,
|
|
input CEA,
|
|
input CEB,
|
|
input CEP,
|
|
input RSTA,
|
|
input RSTB,
|
|
input RSTP,
|
|
input signed [17:0] BCIN,
|
|
output signed [17:0] BCOUT
|
|
);
|
|
|
|
parameter integer AREG = 1;
|
|
parameter integer BREG = 1;
|
|
parameter B_INPUT = "DIRECT";
|
|
parameter integer PREG = 1;
|
|
|
|
// The multiplier.
|
|
wire signed [35:0] P_MULT;
|
|
wire signed [17:0] A_MULT;
|
|
wire signed [17:0] B_MULT;
|
|
assign P_MULT = A_MULT * B_MULT;
|
|
|
|
// The cascade output.
|
|
assign BCOUT = B_MULT;
|
|
|
|
// The B input multiplexer.
|
|
wire signed [17:0] B_MUX;
|
|
assign B_MUX = (B_INPUT == "DIRECT") ? B : BCIN;
|
|
|
|
// The registers.
|
|
reg signed [17:0] A_REG;
|
|
reg signed [17:0] B_REG;
|
|
reg signed [35:0] P_REG;
|
|
|
|
initial begin
|
|
A_REG = 0;
|
|
B_REG = 0;
|
|
P_REG = 0;
|
|
end
|
|
|
|
always @(posedge CLK) begin
|
|
if (RSTA)
|
|
A_REG <= 0;
|
|
else if (CEA)
|
|
A_REG <= A;
|
|
|
|
if (RSTB)
|
|
B_REG <= 0;
|
|
else if (CEB)
|
|
B_REG <= B_MUX;
|
|
|
|
if (RSTP)
|
|
P_REG <= 0;
|
|
else if (CEP)
|
|
P_REG <= P_MULT;
|
|
end
|
|
|
|
// The register enables.
|
|
assign A_MULT = (AREG == 1) ? A_REG : A;
|
|
assign B_MULT = (BREG == 1) ? B_REG : B_MUX;
|
|
assign P = (PREG == 1) ? P_REG : P_MULT;
|
|
|
|
endmodule
|
|
|
|
// Spartan 3A DSP.
|
|
|
|
module DSP48A (
|
|
input signed [17:0] A,
|
|
input signed [17:0] B,
|
|
input signed [47:0] C,
|
|
input signed [17:0] D,
|
|
input signed [47:0] PCIN,
|
|
input CARRYIN,
|
|
input [7:0] OPMODE,
|
|
output signed [47:0] P,
|
|
output signed [17:0] BCOUT,
|
|
output signed [47:0] PCOUT,
|
|
output CARRYOUT,
|
|
(* clkbuf_sink *)
|
|
input CLK,
|
|
input CEA,
|
|
input CEB,
|
|
input CEC,
|
|
input CED,
|
|
input CEM,
|
|
input CECARRYIN,
|
|
input CEOPMODE,
|
|
input CEP,
|
|
input RSTA,
|
|
input RSTB,
|
|
input RSTC,
|
|
input RSTD,
|
|
input RSTM,
|
|
input RSTCARRYIN,
|
|
input RSTOPMODE,
|
|
input RSTP
|
|
);
|
|
|
|
parameter integer A0REG = 0;
|
|
parameter integer A1REG = 1;
|
|
parameter integer B0REG = 0;
|
|
parameter integer B1REG = 1;
|
|
parameter integer CREG = 1;
|
|
parameter integer DREG = 1;
|
|
parameter integer MREG = 1;
|
|
parameter integer CARRYINREG = 1;
|
|
parameter integer OPMODEREG = 1;
|
|
parameter integer PREG = 1;
|
|
parameter CARRYINSEL = "CARRYIN";
|
|
parameter RSTTYPE = "SYNC";
|
|
|
|
// This is a strict subset of Spartan 6 -- reuse its model.
|
|
|
|
/* verilator lint_off PINMISSING */
|
|
DSP48A1 #(
|
|
.A0REG(A0REG),
|
|
.A1REG(A1REG),
|
|
.B0REG(B0REG),
|
|
.B1REG(B1REG),
|
|
.CREG(CREG),
|
|
.DREG(DREG),
|
|
.MREG(MREG),
|
|
.CARRYINREG(CARRYINREG),
|
|
.CARRYOUTREG(0),
|
|
.OPMODEREG(OPMODEREG),
|
|
.PREG(PREG),
|
|
.CARRYINSEL(CARRYINSEL),
|
|
.RSTTYPE(RSTTYPE)
|
|
) upgrade (
|
|
.A(A),
|
|
.B(B),
|
|
.C(C),
|
|
.D(D),
|
|
.PCIN(PCIN),
|
|
.CARRYIN(CARRYIN),
|
|
.OPMODE(OPMODE),
|
|
// M unconnected
|
|
.P(P),
|
|
.BCOUT(BCOUT),
|
|
.PCOUT(PCOUT),
|
|
.CARRYOUT(CARRYOUT),
|
|
// CARRYOUTF unconnected
|
|
.CLK(CLK),
|
|
.CEA(CEA),
|
|
.CEB(CEB),
|
|
.CEC(CEC),
|
|
.CED(CED),
|
|
.CEM(CEM),
|
|
.CECARRYIN(CECARRYIN),
|
|
.CEOPMODE(CEOPMODE),
|
|
.CEP(CEP),
|
|
.RSTA(RSTA),
|
|
.RSTB(RSTB),
|
|
.RSTC(RSTC),
|
|
.RSTD(RSTD),
|
|
.RSTM(RSTM),
|
|
.RSTCARRYIN(RSTCARRYIN),
|
|
.RSTOPMODE(RSTOPMODE),
|
|
.RSTP(RSTP)
|
|
);
|
|
/* verilator lint_on PINMISSING */
|
|
|
|
endmodule
|
|
|
|
// Spartan 6.
|
|
|
|
module DSP48A1 (
|
|
input signed [17:0] A,
|
|
input signed [17:0] B,
|
|
input signed [47:0] C,
|
|
input signed [17:0] D,
|
|
input signed [47:0] PCIN,
|
|
input CARRYIN,
|
|
input [7:0] OPMODE,
|
|
output signed [35:0] M,
|
|
output signed [47:0] P,
|
|
output signed [17:0] BCOUT,
|
|
output signed [47:0] PCOUT,
|
|
output CARRYOUT,
|
|
output CARRYOUTF,
|
|
(* clkbuf_sink *)
|
|
input CLK,
|
|
input CEA,
|
|
input CEB,
|
|
input CEC,
|
|
input CED,
|
|
input CEM,
|
|
input CECARRYIN,
|
|
input CEOPMODE,
|
|
input CEP,
|
|
input RSTA,
|
|
input RSTB,
|
|
input RSTC,
|
|
input RSTD,
|
|
input RSTM,
|
|
input RSTCARRYIN,
|
|
input RSTOPMODE,
|
|
input RSTP
|
|
);
|
|
|
|
parameter integer A0REG = 0;
|
|
parameter integer A1REG = 1;
|
|
parameter integer B0REG = 0;
|
|
parameter integer B1REG = 1;
|
|
parameter integer CREG = 1;
|
|
parameter integer DREG = 1;
|
|
parameter integer MREG = 1;
|
|
parameter integer CARRYINREG = 1;
|
|
parameter integer CARRYOUTREG = 1;
|
|
parameter integer OPMODEREG = 1;
|
|
parameter integer PREG = 1;
|
|
parameter CARRYINSEL = "OPMODE5";
|
|
parameter RSTTYPE = "SYNC";
|
|
|
|
wire signed [35:0] M_MULT;
|
|
wire signed [47:0] P_IN;
|
|
wire signed [17:0] A0_OUT;
|
|
wire signed [17:0] B0_OUT;
|
|
wire signed [17:0] A1_OUT;
|
|
wire signed [17:0] B1_OUT;
|
|
wire signed [17:0] B1_IN;
|
|
wire signed [47:0] C_OUT;
|
|
wire signed [17:0] D_OUT;
|
|
wire signed [7:0] OPMODE_OUT;
|
|
wire CARRYIN_OUT;
|
|
wire CARRYOUT_IN;
|
|
wire CARRYIN_IN;
|
|
reg signed [47:0] XMUX;
|
|
reg signed [47:0] ZMUX;
|
|
|
|
// The registers.
|
|
reg signed [17:0] A0_REG;
|
|
reg signed [17:0] A1_REG;
|
|
reg signed [17:0] B0_REG;
|
|
reg signed [17:0] B1_REG;
|
|
reg signed [47:0] C_REG;
|
|
reg signed [17:0] D_REG;
|
|
reg signed [35:0] M_REG;
|
|
reg signed [47:0] P_REG;
|
|
reg [7:0] OPMODE_REG;
|
|
reg CARRYIN_REG;
|
|
reg CARRYOUT_REG;
|
|
|
|
initial begin
|
|
A0_REG = 0;
|
|
A1_REG = 0;
|
|
B0_REG = 0;
|
|
B1_REG = 0;
|
|
C_REG = 0;
|
|
D_REG = 0;
|
|
M_REG = 0;
|
|
P_REG = 0;
|
|
OPMODE_REG = 0;
|
|
CARRYIN_REG = 0;
|
|
CARRYOUT_REG = 0;
|
|
end
|
|
|
|
generate
|
|
|
|
if (RSTTYPE == "SYNC") begin
|
|
always @(posedge CLK) begin
|
|
if (RSTA) begin
|
|
A0_REG <= 0;
|
|
A1_REG <= 0;
|
|
end else if (CEA) begin
|
|
A0_REG <= A;
|
|
A1_REG <= A0_OUT;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK) begin
|
|
if (RSTB) begin
|
|
B0_REG <= 0;
|
|
B1_REG <= 0;
|
|
end else if (CEB) begin
|
|
B0_REG <= B;
|
|
B1_REG <= B1_IN;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK) begin
|
|
if (RSTC) begin
|
|
C_REG <= 0;
|
|
end else if (CEC) begin
|
|
C_REG <= C;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK) begin
|
|
if (RSTD) begin
|
|
D_REG <= 0;
|
|
end else if (CED) begin
|
|
D_REG <= D;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK) begin
|
|
if (RSTM) begin
|
|
M_REG <= 0;
|
|
end else if (CEM) begin
|
|
M_REG <= M_MULT;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK) begin
|
|
if (RSTP) begin
|
|
P_REG <= 0;
|
|
end else if (CEP) begin
|
|
P_REG <= P_IN;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK) begin
|
|
if (RSTOPMODE) begin
|
|
OPMODE_REG <= 0;
|
|
end else if (CEOPMODE) begin
|
|
OPMODE_REG <= OPMODE;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK) begin
|
|
if (RSTCARRYIN) begin
|
|
CARRYIN_REG <= 0;
|
|
CARRYOUT_REG <= 0;
|
|
end else if (CECARRYIN) begin
|
|
CARRYIN_REG <= CARRYIN_IN;
|
|
CARRYOUT_REG <= CARRYOUT_IN;
|
|
end
|
|
end
|
|
end else begin
|
|
always @(posedge CLK, posedge RSTA) begin
|
|
if (RSTA) begin
|
|
A0_REG <= 0;
|
|
A1_REG <= 0;
|
|
end else if (CEA) begin
|
|
A0_REG <= A;
|
|
A1_REG <= A0_OUT;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK, posedge RSTB) begin
|
|
if (RSTB) begin
|
|
B0_REG <= 0;
|
|
B1_REG <= 0;
|
|
end else if (CEB) begin
|
|
B0_REG <= B;
|
|
B1_REG <= B1_IN;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK, posedge RSTC) begin
|
|
if (RSTC) begin
|
|
C_REG <= 0;
|
|
end else if (CEC) begin
|
|
C_REG <= C;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK, posedge RSTD) begin
|
|
if (RSTD) begin
|
|
D_REG <= 0;
|
|
end else if (CED) begin
|
|
D_REG <= D;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK, posedge RSTM) begin
|
|
if (RSTM) begin
|
|
M_REG <= 0;
|
|
end else if (CEM) begin
|
|
M_REG <= M_MULT;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK, posedge RSTP) begin
|
|
if (RSTP) begin
|
|
P_REG <= 0;
|
|
end else if (CEP) begin
|
|
P_REG <= P_IN;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK, posedge RSTOPMODE) begin
|
|
if (RSTOPMODE) begin
|
|
OPMODE_REG <= 0;
|
|
end else if (CEOPMODE) begin
|
|
OPMODE_REG <= OPMODE;
|
|
end
|
|
end
|
|
|
|
always @(posedge CLK, posedge RSTCARRYIN) begin
|
|
if (RSTCARRYIN) begin
|
|
CARRYIN_REG <= 0;
|
|
CARRYOUT_REG <= 0;
|
|
end else if (CECARRYIN) begin
|
|
CARRYIN_REG <= CARRYIN_IN;
|
|
CARRYOUT_REG <= CARRYOUT_IN;
|
|
end
|
|
end
|
|
end
|
|
|
|
endgenerate
|
|
|
|
// The register enables.
|
|
assign A0_OUT = (A0REG == 1) ? A0_REG : A;
|
|
assign A1_OUT = (A1REG == 1) ? A1_REG : A0_OUT;
|
|
assign B0_OUT = (B0REG == 1) ? B0_REG : B;
|
|
assign B1_OUT = (B1REG == 1) ? B1_REG : B1_IN;
|
|
assign C_OUT = (CREG == 1) ? C_REG : C;
|
|
assign D_OUT = (DREG == 1) ? D_REG : D;
|
|
assign M = (MREG == 1) ? M_REG : M_MULT;
|
|
assign P = (PREG == 1) ? P_REG : P_IN;
|
|
assign OPMODE_OUT = (OPMODEREG == 1) ? OPMODE_REG : OPMODE;
|
|
assign CARRYIN_OUT = (CARRYINREG == 1) ? CARRYIN_REG : CARRYIN_IN;
|
|
assign CARRYOUT = (CARRYOUTREG == 1) ? CARRYOUT_REG : CARRYOUT_IN;
|
|
assign CARRYOUTF = CARRYOUT;
|
|
|
|
// The pre-adder.
|
|
wire signed [17:0] PREADDER;
|
|
assign B1_IN = OPMODE_OUT[4] ? PREADDER : B0_OUT;
|
|
assign PREADDER = OPMODE_OUT[6] ? D_OUT - B0_OUT : D_OUT + B0_OUT;
|
|
|
|
// The multiplier.
|
|
assign M_MULT = A1_OUT * B1_OUT;
|
|
|
|
// The carry in selection.
|
|
assign CARRYIN_IN = (CARRYINSEL == "OPMODE5") ? OPMODE_OUT[5] : CARRYIN;
|
|
|
|
// The post-adder inputs.
|
|
always @* begin
|
|
case (OPMODE_OUT[1:0])
|
|
2'b00: XMUX <= 0;
|
|
2'b01: XMUX <= M;
|
|
2'b10: XMUX <= P;
|
|
2'b11: XMUX <= {D_OUT[11:0], A1_OUT, B1_OUT};
|
|
default: XMUX <= 48'hxxxxxxxxxxxx;
|
|
endcase
|
|
end
|
|
|
|
always @* begin
|
|
case (OPMODE_OUT[3:2])
|
|
2'b00: ZMUX <= 0;
|
|
2'b01: ZMUX <= PCIN;
|
|
2'b10: ZMUX <= P;
|
|
2'b11: ZMUX <= C_OUT;
|
|
default: ZMUX <= 48'hxxxxxxxxxxxx;
|
|
endcase
|
|
end
|
|
|
|
// The post-adder.
|
|
wire signed [48:0] X_EXT;
|
|
wire signed [48:0] Z_EXT;
|
|
assign X_EXT = {1'b0, XMUX};
|
|
assign Z_EXT = {1'b0, ZMUX};
|
|
assign {CARRYOUT_IN, P_IN} = OPMODE_OUT[7] ? (Z_EXT - (X_EXT + CARRYIN_OUT)) : (Z_EXT + X_EXT + CARRYIN_OUT);
|
|
|
|
// Cascade outputs.
|
|
assign BCOUT = B1_OUT;
|
|
assign PCOUT = P;
|
|
|
|
endmodule
|
|
|
|
module DSP48 (
|
|
input signed [17:0] A,
|
|
input signed [17:0] B,
|
|
input signed [47:0] C,
|
|
input signed [17:0] BCIN,
|
|
input signed [47:0] PCIN,
|
|
input CARRYIN,
|
|
input [6:0] OPMODE,
|
|
input SUBTRACT,
|
|
input [1:0] CARRYINSEL,
|
|
output signed [47:0] P,
|
|
output signed [17:0] BCOUT,
|
|
output signed [47:0] PCOUT,
|
|
(* clkbuf_sink *)
|
|
input CLK,
|
|
input CEA,
|
|
input CEB,
|
|
input CEC,
|
|
input CEM,
|
|
input CECARRYIN,
|
|
input CECINSUB,
|
|
input CECTRL,
|
|
input CEP,
|
|
input RSTA,
|
|
input RSTB,
|
|
input RSTC,
|
|
input RSTM,
|
|
input RSTCARRYIN,
|
|
input RSTCTRL,
|
|
input RSTP
|
|
);
|
|
|
|
parameter integer AREG = 1;
|
|
parameter integer BREG = 1;
|
|
parameter integer CREG = 1;
|
|
parameter integer MREG = 1;
|
|
parameter integer PREG = 1;
|
|
parameter integer CARRYINREG = 1;
|
|
parameter integer CARRYINSELREG = 1;
|
|
parameter integer OPMODEREG = 1;
|
|
parameter integer SUBTRACTREG = 1;
|
|
parameter B_INPUT = "DIRECT";
|
|
parameter LEGACY_MODE = "MULT18X18S";
|
|
|
|
wire signed [17:0] A_OUT;
|
|
wire signed [17:0] B_OUT;
|
|
wire signed [47:0] C_OUT;
|
|
wire signed [35:0] M_MULT;
|
|
wire signed [35:0] M_OUT;
|
|
wire signed [47:0] P_IN;
|
|
wire [6:0] OPMODE_OUT;
|
|
wire [1:0] CARRYINSEL_OUT;
|
|
wire CARRYIN_OUT;
|
|
wire SUBTRACT_OUT;
|
|
reg INT_CARRYIN_XY;
|
|
reg INT_CARRYIN_Z;
|
|
reg signed [47:0] XMUX;
|
|
reg signed [47:0] YMUX;
|
|
wire signed [47:0] XYMUX;
|
|
reg signed [47:0] ZMUX;
|
|
reg CIN;
|
|
|
|
// The B input multiplexer.
|
|
wire signed [17:0] B_MUX;
|
|
assign B_MUX = (B_INPUT == "DIRECT") ? B : BCIN;
|
|
|
|
// The cascade output.
|
|
assign BCOUT = B_OUT;
|
|
assign PCOUT = P;
|
|
|
|
// The registers.
|
|
reg signed [17:0] A0_REG;
|
|
reg signed [17:0] A1_REG;
|
|
reg signed [17:0] B0_REG;
|
|
reg signed [17:0] B1_REG;
|
|
reg signed [47:0] C_REG;
|
|
reg signed [35:0] M_REG;
|
|
reg signed [47:0] P_REG;
|
|
reg [6:0] OPMODE_REG;
|
|
reg [1:0] CARRYINSEL_REG;
|
|
reg SUBTRACT_REG;
|
|
reg CARRYIN_REG;
|
|
reg INT_CARRYIN_XY_REG;
|
|
|
|
initial begin
|
|
A0_REG = 0;
|
|
A1_REG = 0;
|
|
B0_REG = 0;
|
|
B1_REG = 0;
|
|
C_REG = 0;
|
|
M_REG = 0;
|
|
P_REG = 0;
|
|
OPMODE_REG = 0;
|
|
CARRYINSEL_REG = 0;
|
|
SUBTRACT_REG = 0;
|
|
CARRYIN_REG = 0;
|
|
INT_CARRYIN_XY_REG = 0;
|
|
end
|
|
|
|
always @(posedge CLK) begin
|
|
if (RSTA) begin
|
|
A0_REG <= 0;
|
|
A1_REG <= 0;
|
|
end else if (CEA) begin
|
|
A0_REG <= A;
|
|
A1_REG <= A0_REG;
|
|
end
|
|
if (RSTB) begin
|
|
B0_REG <= 0;
|
|
B1_REG <= 0;
|
|
end else if (CEB) begin
|
|
B0_REG <= B_MUX;
|
|
B1_REG <= B0_REG;
|
|
end
|
|
if (RSTC) begin
|
|
C_REG <= 0;
|
|
end else if (CEC) begin
|
|
C_REG <= C;
|
|
end
|
|
if (RSTM) begin
|
|
M_REG <= 0;
|
|
end else if (CEM) begin
|
|
M_REG <= M_MULT;
|
|
end
|
|
if (RSTP) begin
|
|
P_REG <= 0;
|
|
end else if (CEP) begin
|
|
P_REG <= P_IN;
|
|
end
|
|
if (RSTCTRL) begin
|
|
OPMODE_REG <= 0;
|
|
CARRYINSEL_REG <= 0;
|
|
SUBTRACT_REG <= 0;
|
|
end else begin
|
|
if (CECTRL) begin
|
|
OPMODE_REG <= OPMODE;
|
|
CARRYINSEL_REG <= CARRYINSEL;
|
|
end
|
|
if (CECINSUB)
|
|
SUBTRACT_REG <= SUBTRACT;
|
|
end
|
|
if (RSTCARRYIN) begin
|
|
CARRYIN_REG <= 0;
|
|
INT_CARRYIN_XY_REG <= 0;
|
|
end else begin
|
|
if (CECINSUB)
|
|
CARRYIN_REG <= CARRYIN;
|
|
if (CECARRYIN)
|
|
INT_CARRYIN_XY_REG <= INT_CARRYIN_XY;
|
|
end
|
|
end
|
|
|
|
// The register enables.
|
|
assign A_OUT = (AREG == 2) ? A1_REG : (AREG == 1) ? A0_REG : A;
|
|
assign B_OUT = (BREG == 2) ? B1_REG : (BREG == 1) ? B0_REG : B_MUX;
|
|
assign C_OUT = (CREG == 1) ? C_REG : C;
|
|
assign M_OUT = (MREG == 1) ? M_REG : M_MULT;
|
|
assign P = (PREG == 1) ? P_REG : P_IN;
|
|
assign OPMODE_OUT = (OPMODEREG == 1) ? OPMODE_REG : OPMODE;
|
|
assign SUBTRACT_OUT = (SUBTRACTREG == 1) ? SUBTRACT_REG : SUBTRACT;
|
|
assign CARRYINSEL_OUT = (CARRYINSELREG == 1) ? CARRYINSEL_REG : CARRYINSEL;
|
|
assign CARRYIN_OUT = (CARRYINREG == 1) ? CARRYIN_REG : CARRYIN;
|
|
|
|
// The multiplier.
|
|
assign M_MULT = A_OUT * B_OUT;
|
|
|
|
// The post-adder inputs.
|
|
always @* begin
|
|
case (OPMODE_OUT[1:0])
|
|
2'b00: XMUX <= 0;
|
|
2'b10: XMUX <= P;
|
|
2'b11: XMUX <= {{12{A_OUT[17]}}, A_OUT, B_OUT};
|
|
default: XMUX <= 48'hxxxxxxxxxxxx;
|
|
endcase
|
|
case (OPMODE_OUT[1:0])
|
|
2'b01: INT_CARRYIN_XY <= A_OUT[17] ~^ B_OUT[17];
|
|
2'b11: INT_CARRYIN_XY <= ~A_OUT[17];
|
|
// TODO: not tested in hardware.
|
|
default: INT_CARRYIN_XY <= A_OUT[17] ~^ B_OUT[17];
|
|
endcase
|
|
end
|
|
|
|
always @* begin
|
|
case (OPMODE_OUT[3:2])
|
|
2'b00: YMUX <= 0;
|
|
2'b11: YMUX <= C_OUT;
|
|
default: YMUX <= 48'hxxxxxxxxxxxx;
|
|
endcase
|
|
end
|
|
|
|
assign XYMUX = (OPMODE_OUT[3:0] == 4'b0101) ? M_OUT : (XMUX + YMUX);
|
|
|
|
always @* begin
|
|
case (OPMODE_OUT[6:4])
|
|
3'b000: ZMUX <= 0;
|
|
3'b001: ZMUX <= PCIN;
|
|
3'b010: ZMUX <= P;
|
|
3'b011: ZMUX <= C_OUT;
|
|
3'b101: ZMUX <= {{17{PCIN[47]}}, PCIN[47:17]};
|
|
3'b110: ZMUX <= {{17{P[47]}}, P[47:17]};
|
|
default: ZMUX <= 48'hxxxxxxxxxxxx;
|
|
endcase
|
|
// TODO: check how all this works on actual hw.
|
|
if (OPMODE_OUT[1:0] == 2'b10)
|
|
INT_CARRYIN_Z <= ~P[47];
|
|
else
|
|
case (OPMODE_OUT[6:4])
|
|
3'b001: INT_CARRYIN_Z <= ~PCIN[47];
|
|
3'b010: INT_CARRYIN_Z <= ~P[47];
|
|
3'b101: INT_CARRYIN_Z <= ~PCIN[47];
|
|
3'b110: INT_CARRYIN_Z <= ~P[47];
|
|
default: INT_CARRYIN_Z <= 1'bx;
|
|
endcase
|
|
end
|
|
|
|
always @* begin
|
|
case (CARRYINSEL_OUT)
|
|
2'b00: CIN <= CARRYIN_OUT;
|
|
2'b01: CIN <= INT_CARRYIN_Z;
|
|
2'b10: CIN <= INT_CARRYIN_XY;
|
|
2'b11: CIN <= INT_CARRYIN_XY_REG;
|
|
default: CIN <= 1'bx;
|
|
endcase
|
|
end
|
|
|
|
// The post-adder.
|
|
assign P_IN = SUBTRACT_OUT ? (ZMUX - (XYMUX + CIN)) : (ZMUX + XYMUX + CIN);
|
|
|
|
endmodule
|
|
|
|
// TODO: DSP48E (Virtex 5).
|
|
|
|
// Virtex 6, Series 7.
|
|
|
|
`ifdef YOSYS
|
|
(* abc9_box=!(PREG || AREG || ADREG || BREG || CREG || DREG || MREG)
|
|
`ifdef ALLOW_WHITEBOX_DSP48E1
|
|
// Do not make DSP48E1 a whitebox for ABC9 even if fully combinatorial, since it is a big complex block
|
|
, lib_whitebox=!(PREG || AREG || ADREG || BREG || CREG || DREG || MREG || INMODEREG || OPMODEREG || ALUMODEREG || CARRYINREG || CARRYINSELREG)
|
|
`endif
|
|
*)
|
|
`endif
|
|
module DSP48E1 (
|
|
output [29:0] ACOUT,
|
|
output [17:0] BCOUT,
|
|
output reg CARRYCASCOUT,
|
|
output reg [3:0] CARRYOUT,
|
|
output reg MULTSIGNOUT,
|
|
output OVERFLOW,
|
|
output reg signed [47:0] P,
|
|
output reg PATTERNBDETECT,
|
|
output reg PATTERNDETECT,
|
|
output [47:0] PCOUT,
|
|
output UNDERFLOW,
|
|
input signed [29:0] A,
|
|
input [29:0] ACIN,
|
|
input [3:0] ALUMODE,
|
|
input signed [17:0] B,
|
|
input [17:0] BCIN,
|
|
input [47:0] C,
|
|
input CARRYCASCIN,
|
|
input CARRYIN,
|
|
input [2:0] CARRYINSEL,
|
|
input CEA1,
|
|
input CEA2,
|
|
input CEAD,
|
|
input CEALUMODE,
|
|
input CEB1,
|
|
input CEB2,
|
|
input CEC,
|
|
input CECARRYIN,
|
|
input CECTRL,
|
|
input CED,
|
|
input CEINMODE,
|
|
input CEM,
|
|
input CEP,
|
|
(* clkbuf_sink *) input CLK,
|
|
input [24:0] D,
|
|
input [4:0] INMODE,
|
|
input MULTSIGNIN,
|
|
input [6:0] OPMODE,
|
|
input [47:0] PCIN,
|
|
input RSTA,
|
|
input RSTALLCARRYIN,
|
|
input RSTALUMODE,
|
|
input RSTB,
|
|
input RSTC,
|
|
input RSTCTRL,
|
|
input RSTD,
|
|
input RSTINMODE,
|
|
input RSTM,
|
|
input RSTP
|
|
);
|
|
parameter integer ACASCREG = 1;
|
|
parameter integer ADREG = 1;
|
|
parameter integer ALUMODEREG = 1;
|
|
parameter integer AREG = 1;
|
|
parameter AUTORESET_PATDET = "NO_RESET";
|
|
parameter A_INPUT = "DIRECT";
|
|
parameter integer BCASCREG = 1;
|
|
parameter integer BREG = 1;
|
|
parameter B_INPUT = "DIRECT";
|
|
parameter integer CARRYINREG = 1;
|
|
parameter integer CARRYINSELREG = 1;
|
|
parameter integer CREG = 1;
|
|
parameter integer DREG = 1;
|
|
parameter integer INMODEREG = 1;
|
|
parameter integer MREG = 1;
|
|
parameter integer OPMODEREG = 1;
|
|
parameter integer PREG = 1;
|
|
parameter SEL_MASK = "MASK";
|
|
parameter SEL_PATTERN = "PATTERN";
|
|
parameter USE_DPORT = "FALSE";
|
|
parameter USE_MULT = "MULTIPLY";
|
|
parameter USE_PATTERN_DETECT = "NO_PATDET";
|
|
parameter USE_SIMD = "ONE48";
|
|
parameter [47:0] MASK = 48'h3FFFFFFFFFFF;
|
|
parameter [47:0] PATTERN = 48'h000000000000;
|
|
parameter [3:0] IS_ALUMODE_INVERTED = 4'b0;
|
|
parameter [0:0] IS_CARRYIN_INVERTED = 1'b0;
|
|
parameter [0:0] IS_CLK_INVERTED = 1'b0;
|
|
parameter [4:0] IS_INMODE_INVERTED = 5'b0;
|
|
parameter [6:0] IS_OPMODE_INVERTED = 7'b0;
|
|
|
|
`ifdef YOSYS
|
|
function integer \A.required ;
|
|
begin
|
|
if (AREG != 0) \A.required = 254;
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
|
|
if (MREG != 0) \A.required = 1416;
|
|
else if (PREG != 0) \A.required = (USE_PATTERN_DETECT != "NO_PATDET" ? 3030 : 2739) ;
|
|
end
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
|
|
// Worst-case from ADREG and MREG
|
|
if (MREG != 0) \A.required = 2400;
|
|
else if (ADREG != 0) \A.required = 1283;
|
|
else if (PREG != 0) \A.required = 3723;
|
|
else if (PREG != 0) \A.required = (USE_PATTERN_DETECT != "NO_PATDET" ? 4014 : 3723) ;
|
|
end
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
|
|
if (PREG != 0) \A.required = (USE_PATTERN_DETECT != "NO_PATDET" ? 1730 : 1441) ;
|
|
end
|
|
end
|
|
endfunction
|
|
function integer \B.required ;
|
|
begin
|
|
if (BREG != 0) \B.required = 324;
|
|
else if (MREG != 0) \B.required = 1285;
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
|
|
if (PREG != 0) \B.required = (USE_PATTERN_DETECT != "NO_PATDET" ? 2898 : 2608) ;
|
|
end
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
|
|
if (PREG != 0) \B.required = (USE_PATTERN_DETECT != "NO_PATDET" ? 2898 : 2608) ;
|
|
end
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
|
|
if (PREG != 0) \B.required = (USE_PATTERN_DETECT != "NO_PATDET" ? 1718 : 1428) ;
|
|
end
|
|
end
|
|
endfunction
|
|
function integer \C.required ;
|
|
begin
|
|
if (CREG != 0) \C.required = 168;
|
|
else if (PREG != 0) \C.required = (USE_PATTERN_DETECT != "NO_PATDET" ? 1534 : 1244) ;
|
|
end
|
|
endfunction
|
|
function integer \D.required ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
|
|
end
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
|
|
if (DREG != 0) \D.required = 248;
|
|
else if (ADREG != 0) \D.required = 1195;
|
|
else if (MREG != 0) \D.required = 2310;
|
|
else if (PREG != 0) \D.required = (USE_PATTERN_DETECT != "NO_PATDET" ? 3925 : 3635) ;
|
|
end
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
|
|
end
|
|
end
|
|
endfunction
|
|
function integer \P.arrival ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
|
|
if (PREG != 0) \P.arrival = 329;
|
|
// Worst-case from CREG and MREG
|
|
else if (CREG != 0) \P.arrival = 1687;
|
|
else if (MREG != 0) \P.arrival = 1671;
|
|
// Worst-case from AREG and BREG
|
|
else if (AREG != 0) \P.arrival = 2952;
|
|
else if (BREG != 0) \P.arrival = 2813;
|
|
end
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
|
|
if (PREG != 0) \P.arrival = 329;
|
|
// Worst-case from CREG and MREG
|
|
else if (CREG != 0) \P.arrival = 1687;
|
|
else if (MREG != 0) \P.arrival = 1671;
|
|
// Worst-case from AREG, ADREG, BREG, DREG
|
|
else if (AREG != 0) \P.arrival = 3935;
|
|
else if (DREG != 0) \P.arrival = 3908;
|
|
else if (ADREG != 0) \P.arrival = 2958;
|
|
else if (BREG != 0) \P.arrival = 2813;
|
|
end
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
|
|
if (PREG != 0) \P.arrival = 329;
|
|
// Worst-case from AREG, BREG, CREG
|
|
else if (CREG != 0) \P.arrival = 1687;
|
|
else if (AREG != 0) \P.arrival = 1632;
|
|
else if (BREG != 0) \P.arrival = 1616;
|
|
end
|
|
end
|
|
endfunction
|
|
function integer \PCOUT.arrival ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
|
|
if (PREG != 0) \PCOUT.arrival = 435;
|
|
// Worst-case from CREG and MREG
|
|
else if (CREG != 0) \PCOUT.arrival = 1835;
|
|
else if (MREG != 0) \PCOUT.arrival = 1819;
|
|
// Worst-case from AREG and BREG
|
|
else if (AREG != 0) \PCOUT.arrival = 3098;
|
|
else if (BREG != 0) \PCOUT.arrival = 2960;
|
|
end
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
|
|
if (PREG != 0) \PCOUT.arrival = 435;
|
|
// Worst-case from CREG and MREG
|
|
else if (CREG != 0) \PCOUT.arrival = 1835;
|
|
else if (MREG != 0) \PCOUT.arrival = 1819;
|
|
// Worst-case from AREG, ADREG, BREG, DREG
|
|
else if (AREG != 0) \PCOUT.arrival = 4083;
|
|
else if (DREG != 0) \PCOUT.arrival = 4056;
|
|
else if (BREG != 0) \PCOUT.arrival = 2960;
|
|
else if (ADREG != 0) \PCOUT.arrival = 2859;
|
|
end
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
|
|
if (PREG != 0) \PCOUT.arrival = 435;
|
|
// Worst-case from AREG, BREG, CREG
|
|
else if (CREG != 0) \PCOUT.arrival = 1835;
|
|
else if (AREG != 0) \PCOUT.arrival = 1780;
|
|
else if (BREG != 0) \PCOUT.arrival = 1765;
|
|
end
|
|
end
|
|
endfunction
|
|
function integer \A.P.comb ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \A.P.comb = 2823;
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \A.P.comb = 3806;
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \A.P.comb = 1523;
|
|
end
|
|
endfunction
|
|
function integer \A.PCOUT.comb ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \A.PCOUT.comb = 2970;
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \A.PCOUT.comb = 3954;
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \A.PCOUT.comb = 1671;
|
|
end
|
|
endfunction
|
|
function integer \B.P.comb ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \B.P.comb = 2690;
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \B.P.comb = 2690;
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \B.P.comb = 1509;
|
|
end
|
|
endfunction
|
|
function integer \B.PCOUT.comb ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \B.PCOUT.comb = 2838;
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \B.PCOUT.comb = 2838;
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \B.PCOUT.comb = 1658;
|
|
end
|
|
endfunction
|
|
function integer \C.P.comb ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \C.P.comb = 1325;
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \C.P.comb = 1325;
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \C.P.comb = 1325;
|
|
end
|
|
endfunction
|
|
function integer \C.PCOUT.comb ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \C.PCOUT.comb = 1474;
|
|
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \C.PCOUT.comb = 1474;
|
|
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \C.PCOUT.comb = 1474;
|
|
end
|
|
endfunction
|
|
function integer \D.P.comb ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \D.P.comb = 3717;
|
|
end
|
|
endfunction
|
|
function integer \D.PCOUT.comb ;
|
|
begin
|
|
if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \D.PCOUT.comb = 3700;
|
|
end
|
|
endfunction
|
|
|
|
generate
|
|
if (PREG == 0 && MREG == 0 && AREG == 0 && ADREG == 0)
|
|
specify
|
|
(A *> P) = \A.P.comb ();
|
|
(A *> PCOUT) = \A.PCOUT.comb ();
|
|
endspecify
|
|
else
|
|
specify
|
|
$setup(A, posedge CLK &&& !IS_CLK_INVERTED, \A.required () );
|
|
$setup(A, negedge CLK &&& IS_CLK_INVERTED, \A.required () );
|
|
endspecify
|
|
|
|
if (PREG == 0 && MREG == 0 && BREG == 0)
|
|
specify
|
|
(B *> P) = \B.P.comb ();
|
|
(B *> PCOUT) = \B.PCOUT.comb ();
|
|
endspecify
|
|
else
|
|
specify
|
|
$setup(B, posedge CLK &&& !IS_CLK_INVERTED, \B.required () );
|
|
$setup(B, negedge CLK &&& IS_CLK_INVERTED, \B.required () );
|
|
endspecify
|
|
|
|
if (PREG == 0 && CREG == 0)
|
|
specify
|
|
(C *> P) = \C.P.comb ();
|
|
(C *> PCOUT) = \C.PCOUT.comb ();
|
|
endspecify
|
|
else
|
|
specify
|
|
$setup(C, posedge CLK &&& !IS_CLK_INVERTED, \C.required () );
|
|
$setup(C, negedge CLK &&& IS_CLK_INVERTED, \C.required () );
|
|
endspecify
|
|
|
|
if (PREG == 0 && MREG == 0 && ADREG == 0 && DREG == 0)
|
|
specify
|
|
(D *> P) = \D.P.comb ();
|
|
(D *> PCOUT) = \D.PCOUT.comb ();
|
|
endspecify
|
|
else
|
|
specify
|
|
$setup(D, posedge CLK &&& !IS_CLK_INVERTED, \D.required () );
|
|
$setup(D, negedge CLK &&& IS_CLK_INVERTED, \D.required () );
|
|
endspecify
|
|
|
|
if (PREG == 0)
|
|
specify
|
|
(PCIN *> P) = 1107;
|
|
(PCIN *> PCOUT) = 1255;
|
|
endspecify
|
|
else
|
|
specify
|
|
$setup(PCIN, posedge CLK &&& !IS_CLK_INVERTED, USE_PATTERN_DETECT != "NO_PATDET" ? 1315 : 1025);
|
|
$setup(PCIN, negedge CLK &&& IS_CLK_INVERTED, USE_PATTERN_DETECT != "NO_PATDET" ? 1315 : 1025);
|
|
endspecify
|
|
|
|
if (PREG || AREG || ADREG || BREG || CREG || DREG || MREG)
|
|
specify
|
|
if (!IS_CLK_INVERTED && CEP) (posedge CLK => (P : 48'bx)) = \P.arrival () ;
|
|
if ( IS_CLK_INVERTED && CEP) (negedge CLK => (P : 48'bx)) = \P.arrival () ;
|
|
if (!IS_CLK_INVERTED && CEP) (posedge CLK => (PCOUT : 48'bx)) = \PCOUT.arrival () ;
|
|
if ( IS_CLK_INVERTED && CEP) (negedge CLK => (PCOUT : 48'bx)) = \PCOUT.arrival () ;
|
|
endspecify
|
|
endgenerate
|
|
`endif
|
|
|
|
initial begin
|
|
`ifndef YOSYS
|
|
if (AUTORESET_PATDET != "NO_RESET") $fatal(1, "Unsupported AUTORESET_PATDET value");
|
|
if (SEL_MASK != "MASK") $fatal(1, "Unsupported SEL_MASK value");
|
|
if (SEL_PATTERN != "PATTERN") $fatal(1, "Unsupported SEL_PATTERN value");
|
|
if (USE_SIMD != "ONE48" && USE_SIMD != "TWO24" && USE_SIMD != "FOUR12") $fatal(1, "Unsupported USE_SIMD value");
|
|
if (IS_ALUMODE_INVERTED != 4'b0) $fatal(1, "Unsupported IS_ALUMODE_INVERTED value");
|
|
if (IS_CARRYIN_INVERTED != 1'b0) $fatal(1, "Unsupported IS_CARRYIN_INVERTED value");
|
|
if (IS_CLK_INVERTED != 1'b0) $fatal(1, "Unsupported IS_CLK_INVERTED value");
|
|
if (IS_INMODE_INVERTED != 5'b0) $fatal(1, "Unsupported IS_INMODE_INVERTED value");
|
|
if (IS_OPMODE_INVERTED != 7'b0) $fatal(1, "Unsupported IS_OPMODE_INVERTED value");
|
|
`endif
|
|
end
|
|
|
|
wire signed [29:0] A_muxed;
|
|
wire signed [17:0] B_muxed;
|
|
|
|
generate
|
|
if (A_INPUT == "CASCADE") assign A_muxed = ACIN;
|
|
else assign A_muxed = A;
|
|
|
|
if (B_INPUT == "CASCADE") assign B_muxed = BCIN;
|
|
else assign B_muxed = B;
|
|
endgenerate
|
|
|
|
reg signed [29:0] Ar1, Ar2;
|
|
reg signed [24:0] Dr;
|
|
reg signed [17:0] Br1, Br2;
|
|
reg signed [47:0] Cr;
|
|
reg [4:0] INMODEr;
|
|
reg [6:0] OPMODEr;
|
|
reg [3:0] ALUMODEr;
|
|
reg [2:0] CARRYINSELr;
|
|
|
|
generate
|
|
// Configurable A register
|
|
if (AREG == 2) begin
|
|
initial Ar1 = 30'b0;
|
|
initial Ar2 = 30'b0;
|
|
always @(posedge CLK)
|
|
if (RSTA) begin
|
|
Ar1 <= 30'b0;
|
|
Ar2 <= 30'b0;
|
|
end else begin
|
|
if (CEA1) Ar1 <= A_muxed;
|
|
if (CEA2) Ar2 <= Ar1;
|
|
end
|
|
end else if (AREG == 1) begin
|
|
//initial Ar1 = 30'b0;
|
|
initial Ar2 = 30'b0;
|
|
always @(posedge CLK)
|
|
if (RSTA) begin
|
|
Ar1 <= 30'b0;
|
|
Ar2 <= 30'b0;
|
|
end else begin
|
|
if (CEA1) Ar1 <= A_muxed;
|
|
if (CEA2) Ar2 <= A_muxed;
|
|
end
|
|
end else begin
|
|
always @* Ar1 <= A_muxed;
|
|
always @* Ar2 <= A_muxed;
|
|
end
|
|
|
|
// Configurable B register
|
|
if (BREG == 2) begin
|
|
initial Br1 = 25'b0;
|
|
initial Br2 = 25'b0;
|
|
always @(posedge CLK)
|
|
if (RSTB) begin
|
|
Br1 <= 18'b0;
|
|
Br2 <= 18'b0;
|
|
end else begin
|
|
if (CEB1) Br1 <= B_muxed;
|
|
if (CEB2) Br2 <= Br1;
|
|
end
|
|
end else if (BREG == 1) begin
|
|
//initial Br1 = 18'b0;
|
|
initial Br2 = 18'b0;
|
|
always @(posedge CLK)
|
|
if (RSTB) begin
|
|
Br1 <= 18'b0;
|
|
Br2 <= 18'b0;
|
|
end else begin
|
|
if (CEB1) Br1 <= B_muxed;
|
|
if (CEB2) Br2 <= B_muxed;
|
|
end
|
|
end else begin
|
|
always @* Br1 <= B_muxed;
|
|
always @* Br2 <= B_muxed;
|
|
end
|
|
|
|
// C and D registers
|
|
if (CREG == 1) initial Cr = 48'b0;
|
|
if (CREG == 1) begin always @(posedge CLK) if (RSTC) Cr <= 48'b0; else if (CEC) Cr <= C; end
|
|
else always @* Cr <= C;
|
|
|
|
if (DREG == 1) initial Dr = 25'b0;
|
|
if (DREG == 1) begin always @(posedge CLK) if (RSTD) Dr <= 25'b0; else if (CED) Dr <= D; end
|
|
else always @* Dr <= D;
|
|
|
|
// Control registers
|
|
if (INMODEREG == 1) initial INMODEr = 5'b0;
|
|
if (INMODEREG == 1) begin always @(posedge CLK) if (RSTINMODE) INMODEr <= 5'b0; else if (CEINMODE) INMODEr <= INMODE; end
|
|
else always @* INMODEr <= INMODE;
|
|
if (OPMODEREG == 1) initial OPMODEr = 7'b0;
|
|
if (OPMODEREG == 1) begin always @(posedge CLK) if (RSTCTRL) OPMODEr <= 7'b0; else if (CECTRL) OPMODEr <= OPMODE; end
|
|
else always @* OPMODEr <= OPMODE;
|
|
if (ALUMODEREG == 1) initial ALUMODEr = 4'b0;
|
|
if (ALUMODEREG == 1) begin always @(posedge CLK) if (RSTALUMODE) ALUMODEr <= 4'b0; else if (CEALUMODE) ALUMODEr <= ALUMODE; end
|
|
else always @* ALUMODEr <= ALUMODE;
|
|
if (CARRYINSELREG == 1) initial CARRYINSELr = 3'b0;
|
|
if (CARRYINSELREG == 1) begin always @(posedge CLK) if (RSTCTRL) CARRYINSELr <= 3'b0; else if (CECTRL) CARRYINSELr <= CARRYINSEL; end
|
|
else always @* CARRYINSELr <= CARRYINSEL;
|
|
endgenerate
|
|
|
|
// A and B cascade
|
|
generate
|
|
if (ACASCREG == 1 && AREG == 2) assign ACOUT = Ar1;
|
|
else assign ACOUT = Ar2;
|
|
if (BCASCREG == 1 && BREG == 2) assign BCOUT = Br1;
|
|
else assign BCOUT = Br2;
|
|
endgenerate
|
|
|
|
// A/D input selection and pre-adder
|
|
wire signed [24:0] Ar12_muxed = INMODEr[0] ? Ar1 : Ar2;
|
|
wire signed [24:0] Ar12_gated = INMODEr[1] ? 25'b0 : Ar12_muxed;
|
|
wire signed [24:0] Dr_gated = INMODEr[2] ? Dr : 25'b0;
|
|
wire signed [24:0] AD_result = INMODEr[3] ? (Dr_gated - Ar12_gated) : (Dr_gated + Ar12_gated);
|
|
reg signed [24:0] ADr;
|
|
|
|
generate
|
|
if (ADREG == 1) initial ADr = 25'b0;
|
|
if (ADREG == 1) begin always @(posedge CLK) if (RSTD) ADr <= 25'b0; else if (CEAD) ADr <= AD_result; end
|
|
else always @* ADr <= AD_result;
|
|
endgenerate
|
|
|
|
// 25x18 multiplier
|
|
wire signed [24:0] A_MULT;
|
|
wire signed [17:0] B_MULT = INMODEr[4] ? Br1 : Br2;
|
|
generate
|
|
if (USE_DPORT == "TRUE") assign A_MULT = ADr;
|
|
else assign A_MULT = Ar12_gated;
|
|
endgenerate
|
|
|
|
wire signed [42:0] M = A_MULT * B_MULT;
|
|
wire signed [42:0] Mx = (CARRYINSEL == 3'b010) ? 43'bx : M;
|
|
reg signed [42:0] Mr = 43'b0;
|
|
|
|
// Multiplier result register
|
|
generate
|
|
if (MREG == 1) begin always @(posedge CLK) if (RSTM) Mr <= 43'b0; else if (CEM) Mr <= Mx; end
|
|
else always @* Mr <= Mx;
|
|
endgenerate
|
|
|
|
wire signed [42:0] Mrx = (CARRYINSELr == 3'b010) ? 43'bx : Mr;
|
|
|
|
// X, Y and Z ALU inputs
|
|
reg signed [47:0] X, Y, Z;
|
|
|
|
always @* begin
|
|
// X multiplexer
|
|
case (OPMODEr[1:0])
|
|
2'b00: X = 48'b0;
|
|
2'b01: begin X = $signed(Mrx);
|
|
`ifndef YOSYS
|
|
if (OPMODEr[3:2] != 2'b01) $fatal(1, "OPMODEr[3:2] must be 2'b01 when OPMODEr[1:0] is 2'b01");
|
|
`endif
|
|
end
|
|
2'b10:
|
|
if (PREG == 1)
|
|
X = P;
|
|
else begin
|
|
X = 48'bx;
|
|
`ifndef YOSYS
|
|
$fatal(1, "PREG must be 1 when OPMODEr[1:0] is 2'b10");
|
|
`endif
|
|
end
|
|
2'b11: X = $signed({Ar2, Br2});
|
|
default: X = 48'bx;
|
|
endcase
|
|
|
|
// Y multiplexer
|
|
case (OPMODEr[3:2])
|
|
2'b00: Y = 48'b0;
|
|
2'b01: begin Y = 48'b0; // FIXME: more accurate partial product modelling?
|
|
`ifndef YOSYS
|
|
if (OPMODEr[1:0] != 2'b01) $fatal(1, "OPMODEr[1:0] must be 2'b01 when OPMODEr[3:2] is 2'b01");
|
|
`endif
|
|
end
|
|
2'b10: Y = {48{1'b1}};
|
|
2'b11: Y = Cr;
|
|
default: Y = 48'bx;
|
|
endcase
|
|
|
|
// Z multiplexer
|
|
case (OPMODEr[6:4])
|
|
3'b000: Z = 48'b0;
|
|
3'b001: Z = PCIN;
|
|
3'b010:
|
|
if (PREG == 1)
|
|
Z = P;
|
|
else begin
|
|
Z = 48'bx;
|
|
`ifndef YOSYS
|
|
$fatal(1, "PREG must be 1 when OPMODEr[6:4] is 3'b010");
|
|
`endif
|
|
end
|
|
3'b011: Z = Cr;
|
|
3'b100:
|
|
if (PREG == 1 && OPMODEr[3:0] === 4'b1000)
|
|
Z = P;
|
|
else begin
|
|
Z = 48'bx;
|
|
`ifndef YOSYS
|
|
if (PREG != 1) $fatal(1, "PREG must be 1 when OPMODEr[6:4] is 3'b100");
|
|
if (OPMODEr[3:0] != 4'b1000) $fatal(1, "OPMODEr[3:0] must be 4'b1000 when OPMODEr[6:4] i0s 3'b100");
|
|
`endif
|
|
end
|
|
3'b101: Z = $signed(PCIN[47:17]);
|
|
3'b110:
|
|
if (PREG == 1)
|
|
Z = $signed(P[47:17]);
|
|
else begin
|
|
Z = 48'bx;
|
|
`ifndef YOSYS
|
|
$fatal(1, "PREG must be 1 when OPMODEr[6:4] is 3'b110");
|
|
`endif
|
|
end
|
|
default: Z = 48'bx;
|
|
endcase
|
|
end
|
|
|
|
// Carry in
|
|
wire A24_xnor_B17d = A_MULT[24] ~^ B_MULT[17];
|
|
reg CARRYINr, A24_xnor_B17;
|
|
generate
|
|
if (CARRYINREG == 1) initial CARRYINr = 1'b0;
|
|
if (CARRYINREG == 1) begin always @(posedge CLK) if (RSTALLCARRYIN) CARRYINr <= 1'b0; else if (CECARRYIN) CARRYINr <= CARRYIN; end
|
|
else always @* CARRYINr = CARRYIN;
|
|
|
|
if (MREG == 1) initial A24_xnor_B17 = 1'b0;
|
|
if (MREG == 1) begin always @(posedge CLK) if (RSTALLCARRYIN) A24_xnor_B17 <= 1'b0; else if (CEM) A24_xnor_B17 <= A24_xnor_B17d; end
|
|
else always @* A24_xnor_B17 = A24_xnor_B17d;
|
|
endgenerate
|
|
|
|
reg cin_muxed;
|
|
|
|
always @(*) begin
|
|
case (CARRYINSELr)
|
|
3'b000: cin_muxed = CARRYINr;
|
|
3'b001: cin_muxed = ~PCIN[47];
|
|
3'b010: cin_muxed = CARRYCASCIN;
|
|
3'b011: cin_muxed = PCIN[47];
|
|
3'b100:
|
|
if (PREG == 1)
|
|
cin_muxed = CARRYCASCOUT;
|
|
else begin
|
|
cin_muxed = 1'bx;
|
|
`ifndef YOSYS
|
|
$fatal(1, "PREG must be 1 when CARRYINSEL is 3'b100");
|
|
`endif
|
|
end
|
|
3'b101:
|
|
if (PREG == 1)
|
|
cin_muxed = ~P[47];
|
|
else begin
|
|
cin_muxed = 1'bx;
|
|
`ifndef YOSYS
|
|
$fatal(1, "PREG must be 1 when CARRYINSEL is 3'b101");
|
|
`endif
|
|
end
|
|
3'b110: cin_muxed = A24_xnor_B17;
|
|
3'b111:
|
|
if (PREG == 1)
|
|
cin_muxed = P[47];
|
|
else begin
|
|
cin_muxed = 1'bx;
|
|
`ifndef YOSYS
|
|
$fatal(1, "PREG must be 1 when CARRYINSEL is 3'b111");
|
|
`endif
|
|
end
|
|
default: cin_muxed = 1'bx;
|
|
endcase
|
|
end
|
|
|
|
wire alu_cin = (ALUMODEr[3] || ALUMODEr[2]) ? 1'b0 : cin_muxed;
|
|
|
|
// ALU core
|
|
wire [47:0] Z_muxinv = ALUMODEr[0] ? ~Z : Z;
|
|
wire [47:0] xor_xyz = X ^ Y ^ Z_muxinv;
|
|
wire [47:0] maj_xyz = (X & Y) | (X & Z_muxinv) | (Y & Z_muxinv);
|
|
|
|
wire [47:0] xor_xyz_muxed = ALUMODEr[3] ? maj_xyz : xor_xyz;
|
|
wire [47:0] maj_xyz_gated = ALUMODEr[2] ? 48'b0 : maj_xyz;
|
|
|
|
wire [48:0] maj_xyz_simd_gated;
|
|
wire [3:0] int_carry_in, int_carry_out, ext_carry_out;
|
|
wire [47:0] alu_sum;
|
|
assign int_carry_in[0] = 1'b0;
|
|
wire [3:0] carryout_reset;
|
|
|
|
generate
|
|
if (USE_SIMD == "FOUR12") begin
|
|
assign maj_xyz_simd_gated = {
|
|
maj_xyz_gated[47:36],
|
|
1'b0, maj_xyz_gated[34:24],
|
|
1'b0, maj_xyz_gated[22:12],
|
|
1'b0, maj_xyz_gated[10:0],
|
|
alu_cin
|
|
};
|
|
assign int_carry_in[3:1] = 3'b000;
|
|
assign ext_carry_out = {
|
|
int_carry_out[3],
|
|
maj_xyz_gated[35] ^ int_carry_out[2],
|
|
maj_xyz_gated[23] ^ int_carry_out[1],
|
|
maj_xyz_gated[11] ^ int_carry_out[0]
|
|
};
|
|
assign carryout_reset = 4'b0000;
|
|
end else if (USE_SIMD == "TWO24") begin
|
|
assign maj_xyz_simd_gated = {
|
|
maj_xyz_gated[47:24],
|
|
1'b0, maj_xyz_gated[22:0],
|
|
alu_cin
|
|
};
|
|
assign int_carry_in[3:1] = {int_carry_out[2], 1'b0, int_carry_out[0]};
|
|
assign ext_carry_out = {
|
|
int_carry_out[3],
|
|
1'bx,
|
|
maj_xyz_gated[23] ^ int_carry_out[1],
|
|
1'bx
|
|
};
|
|
assign carryout_reset = 4'b0x0x;
|
|
end else begin
|
|
assign maj_xyz_simd_gated = {maj_xyz_gated, alu_cin};
|
|
assign int_carry_in[3:1] = int_carry_out[2:0];
|
|
assign ext_carry_out = {
|
|
int_carry_out[3],
|
|
3'bxxx
|
|
};
|
|
assign carryout_reset = 4'b0xxx;
|
|
end
|
|
|
|
genvar i;
|
|
for (i = 0; i < 4; i = i + 1)
|
|
assign {int_carry_out[i], alu_sum[i*12 +: 12]} = {1'b0, maj_xyz_simd_gated[i*12 +: ((i == 3) ? 13 : 12)]}
|
|
+ xor_xyz_muxed[i*12 +: 12] + int_carry_in[i];
|
|
endgenerate
|
|
|
|
wire signed [47:0] Pd = ALUMODEr[1] ? ~alu_sum : alu_sum;
|
|
wire [3:0] CARRYOUTd = (OPMODEr[3:0] == 4'b0101 || ALUMODEr[3:2] != 2'b00) ? 4'bxxxx :
|
|
((ALUMODEr[0] & ALUMODEr[1]) ? ~ext_carry_out : ext_carry_out);
|
|
wire CARRYCASCOUTd = ext_carry_out[3];
|
|
wire MULTSIGNOUTd = Mrx[42];
|
|
|
|
generate
|
|
if (PREG == 1) begin
|
|
initial P = 48'b0;
|
|
initial CARRYOUT = carryout_reset;
|
|
initial CARRYCASCOUT = 1'b0;
|
|
initial MULTSIGNOUT = 1'b0;
|
|
always @(posedge CLK)
|
|
if (RSTP) begin
|
|
P <= 48'b0;
|
|
CARRYOUT <= carryout_reset;
|
|
CARRYCASCOUT <= 1'b0;
|
|
MULTSIGNOUT <= 1'b0;
|
|
end else if (CEP) begin
|
|
P <= Pd;
|
|
CARRYOUT <= CARRYOUTd;
|
|
CARRYCASCOUT <= CARRYCASCOUTd;
|
|
MULTSIGNOUT <= MULTSIGNOUTd;
|
|
end
|
|
end else begin
|
|
always @* begin
|
|
P = Pd;
|
|
CARRYOUT = CARRYOUTd;
|
|
CARRYCASCOUT = CARRYCASCOUTd;
|
|
MULTSIGNOUT = MULTSIGNOUTd;
|
|
end
|
|
end
|
|
endgenerate
|
|
|
|
assign PCOUT = P;
|
|
|
|
generate
|
|
wire PATTERNDETECTd, PATTERNBDETECTd;
|
|
|
|
if (USE_PATTERN_DETECT == "PATDET") begin
|
|
// TODO: Support SEL_PATTERN != "PATTERN" and SEL_MASK != "MASK
|
|
assign PATTERNDETECTd = &(~(Pd ^ PATTERN) | MASK);
|
|
assign PATTERNBDETECTd = &((Pd ^ PATTERN) | MASK);
|
|
end else begin
|
|
assign PATTERNDETECTd = 1'b1;
|
|
assign PATTERNBDETECTd = 1'b1;
|
|
end
|
|
|
|
if (PREG == 1) begin
|
|
reg PATTERNDETECTPAST, PATTERNBDETECTPAST;
|
|
initial PATTERNDETECT = 1'b0;
|
|
initial PATTERNBDETECT = 1'b0;
|
|
initial PATTERNDETECTPAST = 1'b0;
|
|
initial PATTERNBDETECTPAST = 1'b0;
|
|
always @(posedge CLK)
|
|
if (RSTP) begin
|
|
PATTERNDETECT <= 1'b0;
|
|
PATTERNBDETECT <= 1'b0;
|
|
PATTERNDETECTPAST <= 1'b0;
|
|
PATTERNBDETECTPAST <= 1'b0;
|
|
end else if (CEP) begin
|
|
PATTERNDETECT <= PATTERNDETECTd;
|
|
PATTERNBDETECT <= PATTERNBDETECTd;
|
|
PATTERNDETECTPAST <= PATTERNDETECT;
|
|
PATTERNBDETECTPAST <= PATTERNBDETECT;
|
|
end
|
|
assign OVERFLOW = &{PATTERNDETECTPAST, ~PATTERNBDETECT, ~PATTERNDETECT};
|
|
assign UNDERFLOW = &{PATTERNBDETECTPAST, ~PATTERNBDETECT, ~PATTERNDETECT};
|
|
end else begin
|
|
always @* begin
|
|
PATTERNDETECT = PATTERNDETECTd;
|
|
PATTERNBDETECT = PATTERNBDETECTd;
|
|
end
|
|
assign OVERFLOW = 1'bx, UNDERFLOW = 1'bx;
|
|
end
|
|
endgenerate
|
|
|
|
endmodule
|
|
|
|
// TODO: DSP48E2 (Ultrascale).
|
|
|
|
// Block RAM
|
|
|
|
module RAMB18E1 (
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_CLKARDCLK_INVERTED" *)
|
|
input CLKARDCLK,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_CLKBWRCLK_INVERTED" *)
|
|
input CLKBWRCLK,
|
|
(* invertible_pin = "IS_ENARDEN_INVERTED" *)
|
|
input ENARDEN,
|
|
(* invertible_pin = "IS_ENBWREN_INVERTED" *)
|
|
input ENBWREN,
|
|
input REGCEAREGCE,
|
|
input REGCEB,
|
|
(* invertible_pin = "IS_RSTRAMARSTRAM_INVERTED" *)
|
|
input RSTRAMARSTRAM,
|
|
(* invertible_pin = "IS_RSTRAMB_INVERTED" *)
|
|
input RSTRAMB,
|
|
(* invertible_pin = "IS_RSTREGARSTREG_INVERTED" *)
|
|
input RSTREGARSTREG,
|
|
(* invertible_pin = "IS_RSTREGB_INVERTED" *)
|
|
input RSTREGB,
|
|
input [13:0] ADDRARDADDR,
|
|
input [13:0] ADDRBWRADDR,
|
|
input [15:0] DIADI,
|
|
input [15:0] DIBDI,
|
|
input [1:0] DIPADIP,
|
|
input [1:0] DIPBDIP,
|
|
input [1:0] WEA,
|
|
input [3:0] WEBWE,
|
|
output [15:0] DOADO,
|
|
output [15:0] DOBDO,
|
|
output [1:0] DOPADOP,
|
|
output [1:0] DOPBDOP
|
|
);
|
|
parameter integer DOA_REG = 0;
|
|
parameter integer DOB_REG = 0;
|
|
parameter INITP_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_14 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_15 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_16 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_17 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_18 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_19 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_20 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_21 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_22 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_23 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_24 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_25 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_26 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_27 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_28 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_29 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_30 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_31 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_32 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_33 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_34 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_35 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_36 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_37 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_38 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_39 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_A = 18'h0;
|
|
parameter INIT_B = 18'h0;
|
|
parameter INIT_FILE = "NONE";
|
|
parameter RAM_MODE = "TDP";
|
|
parameter RDADDR_COLLISION_HWCONFIG = "DELAYED_WRITE";
|
|
parameter integer READ_WIDTH_A = 0;
|
|
parameter integer READ_WIDTH_B = 0;
|
|
parameter RSTREG_PRIORITY_A = "RSTREG";
|
|
parameter RSTREG_PRIORITY_B = "RSTREG";
|
|
parameter SIM_COLLISION_CHECK = "ALL";
|
|
parameter SIM_DEVICE = "VIRTEX6";
|
|
parameter SRVAL_A = 18'h0;
|
|
parameter SRVAL_B = 18'h0;
|
|
parameter WRITE_MODE_A = "WRITE_FIRST";
|
|
parameter WRITE_MODE_B = "WRITE_FIRST";
|
|
parameter integer WRITE_WIDTH_A = 0;
|
|
parameter integer WRITE_WIDTH_B = 0;
|
|
parameter IS_CLKARDCLK_INVERTED = 1'b0;
|
|
parameter IS_CLKBWRCLK_INVERTED = 1'b0;
|
|
parameter IS_ENARDEN_INVERTED = 1'b0;
|
|
parameter IS_ENBWREN_INVERTED = 1'b0;
|
|
parameter IS_RSTRAMARSTRAM_INVERTED = 1'b0;
|
|
parameter IS_RSTRAMB_INVERTED = 1'b0;
|
|
parameter IS_RSTREGARSTREG_INVERTED = 1'b0;
|
|
parameter IS_RSTREGB_INVERTED = 1'b0;
|
|
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L13
|
|
$setup(ADDRARDADDR, posedge CLKARDCLK, 566);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L17
|
|
$setup(ADDRBWRADDR, posedge CLKBWRCLK, 566);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L19
|
|
$setup(WEA, posedge CLKARDCLK, 532);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L21
|
|
$setup(WEBWE, posedge CLKBWRCLK, 532);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L29
|
|
$setup(REGCEAREGCE, posedge CLKARDCLK, 360);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L31
|
|
$setup(RSTREGARSTREG, posedge CLKARDCLK, 342);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L49
|
|
$setup(REGCEB, posedge CLKBWRCLK, 360);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L59
|
|
$setup(RSTREGB, posedge CLKBWRCLK, 342);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L123
|
|
$setup(DIADI, posedge CLKARDCLK, 737);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L133
|
|
$setup(DIBDI, posedge CLKBWRCLK, 737);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L125
|
|
$setup(DIPADIP, posedge CLKARDCLK, 737);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L135
|
|
$setup(DIPBDIP, posedge CLKBWRCLK, 737);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L143
|
|
if (&DOA_REG) (posedge CLKARDCLK => (DOADO : 16'bx)) = 2454;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L144
|
|
if (&DOA_REG) (posedge CLKARDCLK => (DOPADOP : 2'bx)) = 2454;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L153
|
|
if (|DOA_REG) (posedge CLKARDCLK => (DOADO : 16'bx)) = 882;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L154
|
|
if (|DOA_REG) (posedge CLKARDCLK => (DOPADOP : 2'bx)) = 882;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L163
|
|
if (&DOB_REG) (posedge CLKBWRCLK => (DOBDO : 16'bx)) = 2454;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L164
|
|
if (&DOB_REG) (posedge CLKBWRCLK => (DOPBDOP : 2'bx)) = 2454;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L173
|
|
if (|DOB_REG) (posedge CLKBWRCLK => (DOBDO : 16'bx)) = 882;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L174
|
|
if (|DOB_REG) (posedge CLKBWRCLK => (DOPBDOP : 2'bx)) = 882;
|
|
endspecify
|
|
endmodule
|
|
|
|
module RAMB36E1 (
|
|
output CASCADEOUTA,
|
|
output CASCADEOUTB,
|
|
output [31:0] DOADO,
|
|
output [31:0] DOBDO,
|
|
output [3:0] DOPADOP,
|
|
output [3:0] DOPBDOP,
|
|
output [7:0] ECCPARITY,
|
|
output [8:0] RDADDRECC,
|
|
output SBITERR,
|
|
output DBITERR,
|
|
(* invertible_pin = "IS_ENARDEN_INVERTED" *)
|
|
input ENARDEN,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_CLKARDCLK_INVERTED" *)
|
|
input CLKARDCLK,
|
|
(* invertible_pin = "IS_RSTRAMARSTRAM_INVERTED" *)
|
|
input RSTRAMARSTRAM,
|
|
(* invertible_pin = "IS_RSTREGARSTREG_INVERTED" *)
|
|
input RSTREGARSTREG,
|
|
input CASCADEINA,
|
|
input REGCEAREGCE,
|
|
(* invertible_pin = "IS_ENBWREN_INVERTED" *)
|
|
input ENBWREN,
|
|
(* clkbuf_sink *)
|
|
(* invertible_pin = "IS_CLKBWRCLK_INVERTED" *)
|
|
input CLKBWRCLK,
|
|
(* invertible_pin = "IS_RSTRAMB_INVERTED" *)
|
|
input RSTRAMB,
|
|
(* invertible_pin = "IS_RSTREGB_INVERTED" *)
|
|
input RSTREGB,
|
|
input CASCADEINB,
|
|
input REGCEB,
|
|
input INJECTDBITERR,
|
|
input INJECTSBITERR,
|
|
input [15:0] ADDRARDADDR,
|
|
input [15:0] ADDRBWRADDR,
|
|
input [31:0] DIADI,
|
|
input [31:0] DIBDI,
|
|
input [3:0] DIPADIP,
|
|
input [3:0] DIPBDIP,
|
|
input [3:0] WEA,
|
|
input [7:0] WEBWE
|
|
);
|
|
parameter integer DOA_REG = 0;
|
|
parameter integer DOB_REG = 0;
|
|
parameter EN_ECC_READ = "FALSE";
|
|
parameter EN_ECC_WRITE = "FALSE";
|
|
parameter INITP_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INITP_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_14 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_15 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_16 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_17 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_18 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_19 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_1F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_20 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_21 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_22 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_23 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_24 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_25 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_26 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_27 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_28 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_29 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_2F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_30 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_31 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_32 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_33 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_34 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_35 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_36 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_37 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_38 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_39 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_3F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_40 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_41 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_42 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_43 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_44 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_45 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_46 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_47 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_48 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_49 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_4A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_4B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_4C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_4D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_4E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_4F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_50 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_51 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_52 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_53 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_54 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_55 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_56 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_57 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_58 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_59 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_5A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_5B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_5C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_5D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_5E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_5F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_60 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_61 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_62 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_63 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_64 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_65 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_66 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_67 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_68 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_69 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_6A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_6B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_6C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_6D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_6E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_6F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_70 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_71 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_72 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_73 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_74 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_75 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_76 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_77 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_78 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_79 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_7A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_7B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_7C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_7D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_7E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_7F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
|
|
parameter INIT_A = 36'h0;
|
|
parameter INIT_B = 36'h0;
|
|
parameter INIT_FILE = "NONE";
|
|
parameter RAM_EXTENSION_A = "NONE";
|
|
parameter RAM_EXTENSION_B = "NONE";
|
|
parameter RAM_MODE = "TDP";
|
|
parameter RDADDR_COLLISION_HWCONFIG = "DELAYED_WRITE";
|
|
parameter integer READ_WIDTH_A = 0;
|
|
parameter integer READ_WIDTH_B = 0;
|
|
parameter RSTREG_PRIORITY_A = "RSTREG";
|
|
parameter RSTREG_PRIORITY_B = "RSTREG";
|
|
parameter SIM_COLLISION_CHECK = "ALL";
|
|
parameter SIM_DEVICE = "VIRTEX6";
|
|
parameter SRVAL_A = 36'h0;
|
|
parameter SRVAL_B = 36'h0;
|
|
parameter WRITE_MODE_A = "WRITE_FIRST";
|
|
parameter WRITE_MODE_B = "WRITE_FIRST";
|
|
parameter integer WRITE_WIDTH_A = 0;
|
|
parameter integer WRITE_WIDTH_B = 0;
|
|
parameter IS_CLKARDCLK_INVERTED = 1'b0;
|
|
parameter IS_CLKBWRCLK_INVERTED = 1'b0;
|
|
parameter IS_ENARDEN_INVERTED = 1'b0;
|
|
parameter IS_ENBWREN_INVERTED = 1'b0;
|
|
parameter IS_RSTRAMARSTRAM_INVERTED = 1'b0;
|
|
parameter IS_RSTRAMB_INVERTED = 1'b0;
|
|
parameter IS_RSTREGARSTREG_INVERTED = 1'b0;
|
|
parameter IS_RSTREGB_INVERTED = 1'b0;
|
|
|
|
specify
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L13
|
|
$setup(ADDRARDADDR, posedge CLKARDCLK, 566);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L17
|
|
$setup(ADDRBWRADDR, posedge CLKBWRCLK, 566);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L19
|
|
$setup(WEA, posedge CLKARDCLK, 532);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L21
|
|
$setup(WEBWE, posedge CLKBWRCLK, 532);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L29
|
|
$setup(REGCEAREGCE, posedge CLKARDCLK, 360);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L31
|
|
$setup(RSTREGARSTREG, posedge CLKARDCLK, 342);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L49
|
|
$setup(REGCEB, posedge CLKBWRCLK, 360);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L59
|
|
$setup(RSTREGB, posedge CLKBWRCLK, 342);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L123
|
|
$setup(DIADI, posedge CLKARDCLK, 737);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L133
|
|
$setup(DIBDI, posedge CLKBWRCLK, 737);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L125
|
|
$setup(DIPADIP, posedge CLKARDCLK, 737);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L135
|
|
$setup(DIPBDIP, posedge CLKBWRCLK, 737);
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L143
|
|
if (&DOA_REG) (posedge CLKARDCLK => (DOADO : 32'bx)) = 2454;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L144
|
|
if (&DOA_REG) (posedge CLKARDCLK => (DOPADOP : 4'bx)) = 2454;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L153
|
|
if (|DOA_REG) (posedge CLKARDCLK => (DOADO : 32'bx)) = 882;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L154
|
|
if (|DOA_REG) (posedge CLKARDCLK => (DOPADOP : 4'bx)) = 882;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L163
|
|
if (&DOB_REG) (posedge CLKBWRCLK => (DOBDO : 32'bx)) = 2454;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L164
|
|
if (&DOB_REG) (posedge CLKBWRCLK => (DOPBDOP : 4'bx)) = 2454;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L173
|
|
if (|DOB_REG) (posedge CLKBWRCLK => (DOBDO : 32'bx)) = 882;
|
|
// https://github.com/SymbiFlow/prjxray-db/blob/4bc6385ab300b1819848371f508185f57b649a0e/artix7/timings/BRAM_L.sdf#L174
|
|
if (|DOB_REG) (posedge CLKBWRCLK => (DOPBDOP : 4'bx)) = 882;
|
|
endspecify
|
|
endmodule
|