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synth_gatemate: Apply review remarks

This commit is contained in:
Patrick Urban 2021-09-14 15:10:32 +02:00 committed by Marcelina Kościelnicka
parent 240d289fff
commit cfcc38582a
5 changed files with 86 additions and 141 deletions
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69
techlibs/gatemate/cells_bb.v
View File

@ -45,7 +45,7 @@ module CC_PLL_ADV #(
);
endmodule
(* blackbox *)
(* blackbox *) (* keep *)
module CC_SERDES #(
parameter SERDES_CFG = ""
)(
@ -122,3 +122,70 @@ module CC_CFG_CTRL(
input VALID
);
endmodule
(* blackbox *)
module CC_FIFO_40K (
output A_ECC_1B_ERR,
output B_ECC_1B_ERR,
output A_ECC_2B_ERR,
output B_ECC_2B_ERR,
// FIFO pop port
output [39:0] A_DO,
output [39:0] B_DO,
(* clkbuf_sink *)
input A_CLK,
input A_EN,
// FIFO push port
input [39:0] A_DI,
input [39:0] B_DI,
input [39:0] A_BM,
input [39:0] B_BM,
(* clkbuf_sink *)
input B_CLK,
input B_EN,
input B_WE,
// FIFO control
input F_RST_N,
input [12:0] F_ALMOST_FULL_OFFSET,
input [12:0] F_ALMOST_EMPTY_OFFSET,
// FIFO status signals
output F_FULL,
output F_EMPTY,
output F_ALMOST_FULL,
output F_ALMOST_EMPTY,
output F_RD_ERROR,
output F_WR_ERROR,
output [15:0] F_RD_PTR,
output [15:0] F_WR_PTR
);
// Location format: D(0..N-1)X(0..3)Y(0..7) or UNPLACED
parameter LOC = "UNPLACED";
// Offset configuration
parameter [12:0] ALMOST_FULL_OFFSET = 12'b0;
parameter [12:0] ALMOST_EMPTY_OFFSET = 12'b0;
// Port Widths
parameter A_WIDTH = 0;
parameter B_WIDTH = 0;
// RAM and Write Modes
parameter RAM_MODE = "SDP"; // "TPD" or "SDP"
parameter FIFO_MODE = "SYNC"; // "ASYNC" or "SYNC"
// Inverting Control Pins
parameter A_CLK_INV = 1'b0;
parameter B_CLK_INV = 1'b0;
parameter A_EN_INV = 1'b0;
parameter B_EN_INV = 1'b0;
parameter A_WE_INV = 1'b0;
parameter B_WE_INV = 1'b0;
// Output Register
parameter A_DO_REG = 1'b0;
parameter B_DO_REG = 1'b0;
// Error Checking and Correction
parameter A_ECC_EN = 1'b0;
parameter B_ECC_EN = 1'b0;
endmodule

113
techlibs/gatemate/cells_sim.v
View File

@ -294,7 +294,7 @@ module CC_DFF #(
assign en = (EN_INV) ? ~EN : EN;
assign sr = (SR_INV) ? ~SR : SR;
initial Q = 0;
initial Q = 1'bX;
always @(posedge clk or posedge sr)
begin
@ -323,7 +323,7 @@ module CC_DLT #(
assign en = (G_INV) ? ~G : G;
assign sr = (SR_INV) ? ~SR : SR;
initial Q = 0;
initial Q = 1'bX;
always @(*)
begin
@ -409,14 +409,9 @@ endmodule
module CC_MX2 (
input D0, D1,
input S0,
output reg Y
output Y
);
always @(*) begin
case (S0)
1'b0: Y <= D0;
1'b1: Y <= D1;
endcase
end
assign Y = S0 ? D1 : D0;
specify
(D0 => Y) = (0:0:0, 0:0:0);
@ -429,16 +424,10 @@ endmodule
module CC_MX4 (
input D0, D1, D2, D3,
input S0, S1,
output reg Y
output Y
);
always @(*) begin
case ({S1, S0})
2'b00: Y <= D0;
2'b01: Y <= D1;
2'b10: Y <= D2;
2'b11: Y <= D3;
endcase
end
assign Y = S1 ? (S0 ? D3 : D2) :
(S0 ? D1 : D0);
specify
(D0 => Y) = (0:0:0, 0:0:0);
@ -455,20 +444,12 @@ module CC_MX8 (
input D0, D1, D2, D3,
input D4, D5, D6, D7,
input S0, S1, S2,
output reg Y
output Y
);
always @(*) begin
case ({S2, S1, S0})
3'b000: Y <= D0;
3'b001: Y <= D1;
3'b010: Y <= D2;
3'b011: Y <= D3;
3'b100: Y <= D4;
3'b101: Y <= D5;
3'b110: Y <= D6;
3'b111: Y <= D7;
endcase
end
assign Y = S2 ? (S1 ? (S0 ? D7 : D6) :
(S0 ? D5 : D4)) :
(S1 ? (S0 ? D3 : D2) :
(S0 ? D1 : D0));
specify
(D0 => Y) = (0:0:0, 0:0:0);
@ -531,7 +512,6 @@ module CC_BUFG (
endmodule
(* blackbox *)
module CC_BRAM_20K (
output [19:0] A_DO,
output [19:0] B_DO,
@ -941,7 +921,6 @@ module CC_BRAM_20K (
endmodule
(* blackbox *)
module CC_BRAM_40K (
output [39:0] A_DO,
output [39:0] B_DO,
@ -1504,71 +1483,3 @@ module CC_BRAM_40K (
end
endgenerate
endmodule
(* blackbox *)
module CC_FIFO_40K (
output A_ECC_1B_ERR,
output B_ECC_1B_ERR,
output A_ECC_2B_ERR,
output B_ECC_2B_ERR,
// FIFO pop port
output [39:0] A_DO,
output [39:0] B_DO,
(* clkbuf_sink *)
input A_CLK,
input A_EN,
// FIFO push port
input [39:0] A_DI,
input [39:0] B_DI,
input [39:0] A_BM,
input [39:0] B_BM,
(* clkbuf_sink *)
input B_CLK,
input B_EN,
input B_WE,
// FIFO control
input F_RST_N,
input [12:0] F_ALMOST_FULL_OFFSET,
input [12:0] F_ALMOST_EMPTY_OFFSET,
// FIFO status signals
output F_FULL,
output F_EMPTY,
output F_ALMOST_FULL,
output F_ALMOST_EMPTY,
output F_RD_ERROR,
output F_WR_ERROR,
output [15:0] F_RD_PTR,
output [15:0] F_WR_PTR
);
// Location format: D(0..N-1)X(0..3)Y(0..7) or UNPLACED
parameter LOC = "UNPLACED";
// Offset configuration
parameter [12:0] ALMOST_FULL_OFFSET = 12'b0;
parameter [12:0] ALMOST_EMPTY_OFFSET = 12'b0;
// Port Widths
parameter A_WIDTH = 0;
parameter B_WIDTH = 0;
// RAM and Write Modes
parameter RAM_MODE = "SDP"; // "TPD" or "SDP"
parameter FIFO_MODE = "SYNC"; // "ASYNC" or "SYNC"
// Inverting Control Pins
parameter A_CLK_INV = 1'b0;
parameter B_CLK_INV = 1'b0;
parameter A_EN_INV = 1'b0;
parameter B_EN_INV = 1'b0;
parameter A_WE_INV = 1'b0;
parameter B_WE_INV = 1'b0;
// Output Register
parameter A_DO_REG = 1'b0;
parameter B_DO_REG = 1'b0;
// Error Checking and Correction
parameter A_ECC_EN = 1'b0;
parameter B_ECC_EN = 1'b0;
endmodule

30
techlibs/gatemate/iob_map.v
View File

@ -17,36 +17,6 @@
*
*/
module \$__inpad (input I, output Y);
CC_IBUF /*#(
.PIN_NAME("UNPLACED"),
.V_IO("UNDEFINED"),
.PULLUP(1'bx),
.PULLDOWN(1'bx),
.KEEPER(1'bx),
.SCHMITT_TRIGGER(1'bx),
.DELAY_IBF(4'bx),
.FF_IBF(1'bx)
)*/ _TECHMAP_REPLACE_ (
.I(I),
.Y(Y)
);
endmodule
module \$__outpad (input A, output O);
CC_OBUF /*#(
.PIN_NAME("UNPLACED"),
.V_IO("UNDEFINED"),
.SLEW("UNDEFINED"),
.DRIVE(1'bx),
.DELAY_OBF(4'bx),
.FF_OBF(1'bx)
)*/ _TECHMAP_REPLACE_ (
.A(A),
.O(O)
);
endmodule
module \$__toutpad (input A, input OE, output O);
CC_TOBUF /*#(
.PIN_NAME("UNPLACED"),

4
techlibs/gatemate/mul_map.v
View File

@ -17,8 +17,8 @@
*
*/
`define MAX(a,b) (a > b ? a : b)
`define MIN(a,b) (a < b ? a : b)
`define MAX(a,b) ((a) > (b) ? (a) : (b))
`define MIN(a,b) ((a) < (b) ? (a) : (b))
(* techmap_celltype = "$mul $__mul" *)
module \$__MULMXN (A, B, Y);

11
techlibs/gatemate/synth_gatemate.cc
View File

@ -275,7 +275,7 @@ struct SynthGateMatePass : public ScriptPass
run("opt -undriven -fine");
}
if (check_label("map_addf", "(skip if '-noaddf')"))
if (check_label("map_gates"))
{
std::string techmap_args = "";
if (!noaddf) {
@ -292,8 +292,8 @@ struct SynthGateMatePass : public ScriptPass
{
if (!noiopad) {
run("iopadmap -bits "
"-inpad $__inpad Y:I "
"-outpad $__outpad A:O "
"-inpad CC_IBUF Y:I "
"-outpad CC_OBUF A:O "
"-toutpad $__toutpad OE:A:O "
"-tinoutpad $__tinoutpad OE:Y:A:IO"
);
@ -305,10 +305,7 @@ struct SynthGateMatePass : public ScriptPass
if (check_label("map_regs"))
{
run("opt_clean");
run("dfflegalize -cell $_DFF_?_ 0 -cell $_DFF_???_ 0 "
"-cell $_DFFE_??_ 0 -cell $_DFFE_????_ 0 "
"-cell $_DLATCH_?_ x -cell $_DLATCH_???_ x"
);
run("dfflegalize -cell $_DFFE_????_ x -cell $_DLATCH_???_ x");
run("techmap -map +/gatemate/reg_map.v");
run("opt_expr -mux_undef");
run("simplemap");