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analogdevices: prepare for t40lp timings

This commit is contained in:
Lofty 2025-10-12 11:17:50 +01:00
parent e7cc402b92
commit 31605cb006
2 changed files with 53 additions and 17 deletions

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@ -41,17 +41,6 @@ module INBUF(
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 OUTBUF(
(* iopad_external_pin *)
output O,
@ -134,18 +123,22 @@ module INV(
input I
);
assign O = !I;
`ifdef t16ffc
specify
(I => O) = 22;
endspecify
`endif
endmodule
(* abc9_lut=1 *)
module LUT1(output O, input I0);
parameter [1:0] INIT = 0;
assign O = I0 ? INIT[1] : INIT[0];
`ifdef t16ffc
specify
(I0 => O) = 22;
endspecify
`endif
endmodule
(* abc9_lut=2 *)
@ -153,10 +146,12 @@ 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];
`ifdef t16ffc
specify
(I0 => O) = 22;
(I1 => O) = 22;
endspecify
`endif
endmodule
(* abc9_lut=3 *)
@ -165,11 +160,13 @@ module LUT3(output O, input I0, I1, I2);
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];
`ifdef t16ffc
specify
(I0 => O) = 22;
(I1 => O) = 22;
(I2 => O) = 22;
endspecify
`endif
endmodule
(* abc9_lut=4 *)
@ -179,12 +176,14 @@ module LUT4(output O, input I0, I1, I2, I3);
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];
`ifdef t16ffc
specify
(I0 => O) = 22;
(I1 => O) = 22;
(I2 => O) = 22;
(I3 => O) = 22;
endspecify
`endif
endmodule
(* abc9_lut=5 *)
@ -195,6 +194,7 @@ module LUT5(output O, input I0, I1, I2, I3, I4);
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];
`ifdef t16ffc
specify
(I0 => O) = 22;
(I1 => O) = 22;
@ -202,6 +202,7 @@ module LUT5(output O, input I0, I1, I2, I3, I4);
(I3 => O) = 22;
(I4 => O) = 22;
endspecify
`endif
endmodule
(* abc9_lut=6 *)
@ -213,6 +214,7 @@ module LUT6(output O, input I0, I1, I2, I3, I4, I5);
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];
`ifdef t16ffc
specify
(I0 => O) = 22;
(I1 => O) = 22;
@ -221,6 +223,7 @@ module LUT6(output O, input I0, I1, I2, I3, I4, I5);
(I4 => O) = 22;
(I5 => O) = 22;
endspecify
`endif
endmodule
module LUT6_D(output O6, output O5, input I0, I1, I2, I3, I4, I5);
@ -244,6 +247,7 @@ endmodule
(* abc9_lut=12 *)
module \$__ABC9_LUT7 (output O, input I0, I1, I2, I3, I4, I5, I6);
`ifndef __ICARUS__
`ifdef t16ffc
specify
(I0 => O) = 22 + 63 /* LUTMUX7.I1 */;
(I1 => O) = 22 + 63 /* LUTMUX7.I1 */;
@ -254,6 +258,7 @@ module \$__ABC9_LUT7 (output O, input I0, I1, I2, I3, I4, I5, I6);
(I6 => O) = 0 + 51 /* LUTMUX7.S */;
endspecify
`endif
`endif
endmodule
// This is a placeholder for ABC9 to extract the area/delay
@ -261,6 +266,7 @@ endmodule
(* abc9_lut=24 *)
module \$__ABC9_LUT8 (output O, input I0, I1, I2, I3, I4, I5, I6, I7);
`ifndef __ICARUS__
`ifdef t16ffc
specify
(I0 => O) = 22 + 63 /* LUTMUX7.I1 */ + 48 /* LUTMUX8.I0 */;
(I1 => O) = 22 + 63 /* LUTMUX7.I1 */ + 48 /* LUTMUX8.I0 */;
@ -272,26 +278,31 @@ module \$__ABC9_LUT8 (output O, input I0, I1, I2, I3, I4, I5, I6, I7);
(I7 => O) = 0 + 0 + 58 /* LUTMUX8.S */;
endspecify
`endif
`endif
endmodule
(* abc9_box, lib_whitebox *)
module LUTMUX7(output O, input I0, I1, S);
assign O = S ? I1 : I0;
`ifdef t16ffc
specify
(I0 => O) = 62;
(I1 => O) = 63;
(S => O) = 51;
endspecify
`endif
endmodule
(* abc9_box, lib_whitebox *)
module LUTMUX8(output O, input I0, I1, S);
assign O = S ? I1 : I0;
`ifdef t16ffc
specify
(I0 => O) = 48;
(I1 => O) = 46;
(S => O) = 58;
endspecify
`endif
endmodule
(* abc9_box, lib_whitebox *)
@ -309,8 +320,8 @@ module CRY4(
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];
`ifdef t16ffc
specify
// https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L11-L46
(S[0] => O[0]) = 39;
(CI => O[0]) = 43;
(DI[0] => O[1]) = 81;
@ -356,6 +367,7 @@ module CRY4(
(S[3] => CO[3]) = 81;
(CI => CO[3]) = 20;
endspecify
`endif
endmodule
(* abc9_box, lib_whitebox *)
@ -365,9 +377,11 @@ module CRY4INIT(
(* abc9_carry *)
input CYINIT
);
`ifdef t16ffc
specify
(CYINIT => CO) = 72;
endspecify
`endif
assign CO = CYINIT;
endmodule
@ -394,6 +408,7 @@ module FFRE (
parameter [0:0] INIT = 1'b0;
initial Q <= INIT;
always @(posedge C) if (R) Q <= 1'b0; else if (CE) Q <= D;
`ifdef t16ffc
specify
$setup(D , posedge C, 31);
$setup(CE, posedge C, 122);
@ -401,6 +416,7 @@ module FFRE (
if (R) (posedge C => (Q : 1'b0)) = 280;
if (!R && CE) (posedge C => (Q : D)) = 280;
endspecify
`endif
endmodule
(* abc9_flop, lib_whitebox *)
@ -415,6 +431,7 @@ module FFRE_N (
parameter [0:0] INIT = 1'b0;
initial Q <= INIT;
always @(negedge C) if (R) Q <= 1'b0; else if (CE) Q <= D;
`ifdef t16ffc
specify
$setup(D , negedge C, 31);
$setup(CE, negedge C, 122);
@ -422,6 +439,7 @@ module FFRE_N (
if (R) (negedge C => (Q : 1'b0)) = 280;
if (!R && CE) (negedge C => (Q : D)) = 280;
endspecify
`endif
endmodule
module FFSE (
@ -435,6 +453,7 @@ module FFSE (
parameter [0:0] INIT = 1'b1;
initial Q <= INIT;
always @(posedge C) if (S) Q <= 1'b1; else if (CE) Q <= D;
`ifdef t16ffc
specify
$setup(D , posedge C, 31);
$setup(CE, posedge C, 122);
@ -442,6 +461,7 @@ module FFSE (
if (S) (negedge C => (Q : 1'b1)) = 280;
if (!S && CE) (posedge C => (Q : D)) = 280;
endspecify
`endif
endmodule
module FFSE_N (
@ -455,6 +475,7 @@ module FFSE_N (
parameter [0:0] INIT = 1'b1;
initial Q <= INIT;
always @(negedge C) if (S) Q <= 1'b1; else if (CE) Q <= D;
`ifdef t16ffc
specify
$setup(D , negedge C, 31);
$setup(CE, negedge C, 122);
@ -462,6 +483,7 @@ module FFSE_N (
if (S) (negedge C => (Q : 1'b1)) = 280;
if (!S && CE) (negedge C => (Q : D)) = 280;
endspecify
`endif
endmodule
module FFCE (
@ -475,11 +497,13 @@ module FFCE (
parameter [0:0] INIT = 1'b0;
initial Q <= INIT;
always @(posedge C, posedge CLR) if ( CLR) Q <= 1'b0; else if (CE) Q <= D;
`ifdef t16ffc
specify
$setup(D , posedge C, 31);
$setup(CE , posedge C, 122);
if (!CLR && CE) (posedge C => (Q : D)) = 280;
endspecify
`endif
endmodule
module FFCE_N (
@ -493,11 +517,13 @@ module FFCE_N (
parameter [0:0] INIT = 1'b0;
initial Q <= INIT;
always @(negedge C, posedge CLR) if (CLR) Q <= 1'b0; else if (CE) Q <= D;
`ifdef t16ffc
specify
$setup(D , negedge C, 31);
$setup(CE , negedge C, 122);
if (!CLR && CE) (negedge C => (Q : D)) = 280;
endspecify
`endif
endmodule
module FFPE (
@ -511,11 +537,13 @@ module FFPE (
parameter [0:0] INIT = 1'b1;
initial Q <= INIT;
always @(posedge C, posedge PRE) if ( PRE) Q <= 1'b1; else if (CE) Q <= D;
`ifdef t16ffc
specify
$setup(D , posedge C, 31);
$setup(CE , posedge C, 122);
if (!PRE && CE) (posedge C => (Q : D)) = 291;
endspecify
`endif
endmodule
module FFPE_N (
@ -529,11 +557,13 @@ module FFPE_N (
parameter [0:0] INIT = 1'b1;
initial Q <= INIT;
always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D;
`ifdef t16ffc
specify
$setup(D , negedge C, 31);
$setup(CE , negedge C, 122);
if (!PRE && CE) (negedge C => (Q : D)) = 291;
endspecify
`endif
endmodule
// LUTRAM.
@ -554,6 +584,7 @@ module RAMS32X1 (
reg [31:0] mem = INIT;
assign O = mem[a];
always @(posedge WCLK) if (WE) mem[a] <= D;
`ifdef t16ffc
specify
$setup(A0, posedge WCLK, 0);
$setup(A1, posedge WCLK, 0);
@ -569,6 +600,7 @@ module RAMS32X1 (
(A4 => O) = 63;
(posedge WCLK => (O : D)) = 813;
endspecify
`endif
endmodule
(* abc9_box, lib_whitebox *)
@ -585,6 +617,7 @@ module RAMS64X1 (
reg [63:0] mem = INIT;
assign O = mem[a];
always @(posedge WCLK) if (WE) mem[a] <= D;
`ifdef t16ffc
specify
$setup(A0, posedge WCLK, 0);
$setup(A1, posedge WCLK, 0);
@ -602,6 +635,7 @@ module RAMS64X1 (
(A5 => O) = 64;
(posedge WCLK => (O : D)) = 762;
endspecify
`endif
endmodule
// Dual port.
@ -623,6 +657,7 @@ module RAMD32X1 (
assign SPO = mem[a];
assign DPO = mem[dpra];
always @(posedge WCLK) if (WE) mem[a] <= D;
`ifdef t16ffc
specify
$setup(A0, posedge WCLK, 0);
$setup(A1, posedge WCLK, 0);
@ -651,6 +686,7 @@ module RAMD32X1 (
(posedge WCLK => (SPO : D)) = 813;
(posedge WCLK => (DPO : D)) = 813;
endspecify
`endif
endmodule
(* abc9_box, lib_whitebox *)
@ -670,6 +706,7 @@ module RAMD64X1 (
assign SPO = mem[a];
assign DPO = mem[dpra];
always @(posedge WCLK) if (WE) mem[a] <= D;
`ifdef t16ffc
specify
$setup(A0, posedge WCLK, 0);
$setup(A1, posedge WCLK, 0);
@ -701,6 +738,7 @@ module RAMD64X1 (
(posedge WCLK => (SPO : D)) = 762;
(posedge WCLK => (DPO : D)) = 737;
endspecify
`endif
endmodule
// Shift registers.
@ -718,6 +756,7 @@ module SRG16E (
reg [15:0] r = INIT;
assign Q = r[{A3,A2,A1,A0}];
always @(posedge CLK) if (CE) r <= { r[14:0], D };
`ifdef t16ffc
specify
$setup(D , posedge CLK, 173);
if (CE) (posedge CLK => (Q : D)) = 1472;
@ -727,6 +766,7 @@ module SRG16E (
(A2 => Q) = 407;
(A3 => Q) = 238;
endspecify
`endif
endmodule
// DSP

View file

@ -266,12 +266,8 @@ struct SynthAnalogDevicesPass : public ScriptPass
void script() override
{
if (check_label("begin")) {
std::string read_args;
read_args += " -lib -specify +/analogdevices/cells_sim.v";
run("read_verilog" + read_args);
run(stringf("read_verilog -lib -specify -D %s +/analogdevices/cells_sim.v", tech));
run("read_verilog -lib +/analogdevices/cells_xtra.v");
run(stringf("hierarchy -check %s", top_opt.c_str()));
}