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gowin: add and test dff init values

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This commit is contained in:
Pepijn de Vos 2019-11-25 14:33:21 +01:00
parent db2268703f
commit 6c79abbf5a
4 changed files with 495 additions and 41 deletions
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225
techlibs/gowin/cells_map.v
View file

@ -1,82 +1,231 @@
`default_nettype none
//All DFF* have INIT, but the hardware is always initialised to the reset
//value regardless. The parameter is ignored.
// DFFN D Flip-Flop with Negative-Edge Clock
module \$_DFF_N_ (input D, C, output Q); DFFN _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); endmodule
module \$_DFF_N_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, output Q);
generate
if (_TECHMAP_WIREINIT_Q_ === 1'b1)
DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(1'b0));
else
DFFN _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C));
endgenerate
wire _TECHMAP_REMOVEINIT_Q_ = 1;
endmodule
// DFF D Flip-Flop
module \$_DFF_P_ (input D, C, output Q); DFF _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); endmodule
module \$_DFF_P_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, output Q);
generate
if (_TECHMAP_WIREINIT_Q_ === 1'b1)
DFFS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(1'b0));
else
DFF _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C));
endgenerate
wire _TECHMAP_REMOVEINIT_Q_ = 1;
endmodule
// DFFE D Flip-Flop with Clock Enable
module \$_DFFE_PP_ (input D, C, E, output Q); DFFE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(E)); endmodule
module \$_DFFE_PN_ (input D, C, E, output Q); DFFE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(!E)); endmodule
module \$_DFFE_PP_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, E, output Q);
generate
if (_TECHMAP_WIREINIT_Q_ === 1'b1)
DFFSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(E), .SET(1'b0));
else
DFFE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(E));
endgenerate
wire _TECHMAP_REMOVEINIT_Q_ = 1;
endmodule
module \$_DFFE_PN_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, E, output Q);
generate
if (_TECHMAP_WIREINIT_Q_ === 1'b1)
DFFSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(!E), .SET(1'b0));
else
DFFE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(!E));
endgenerate
wire _TECHMAP_REMOVEINIT_Q_ = 1;
endmodule
// DFFNE D Flip-Flop with Negative-Edge Clock and Clock Enable
module \$_DFFE_NP_ (input D, C, E, output Q); DFFNE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(E)); endmodule
module \$_DFFE_NN_ (input D, C, E, output Q); DFFNE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(!E)); endmodule
module \$_DFFE_NP_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, E, output Q);
generate
if (_TECHMAP_WIREINIT_Q_ === 1'b1)
DFFNSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(E), .SET(1'b0));
else
DFFNE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(E));
endgenerate
wire _TECHMAP_REMOVEINIT_Q_ = 1;
endmodule
module \$_DFFE_NN_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, E, output Q);
generate
if (_TECHMAP_WIREINIT_Q_ === 1'b1)
DFFNSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(!E), .SET(1'b0));
else
DFFNE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CE(!E));
endgenerate
wire _TECHMAP_REMOVEINIT_Q_ = 1;
endmodule
// DFFR D Flip-Flop with Synchronous Reset
module \$__DFFS_PN0_ (input D, C, R, output Q); DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(!R)); endmodule
module \$__DFFS_PP0_ (input D, C, R, output Q); DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R)); endmodule
module \$__DFFS_PN0_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(!R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
module \$__DFFS_PP0_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
// DFFNR D Flip-Flop with Negative-Edge Clock and Synchronous Reset
module \$__DFFS_NN0_ (input D, C, R, output Q); DFFNR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(!R)); endmodule
module \$__DFFS_NP0_ (input D, C, R, output Q); DFFNR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R)); endmodule
module \$__DFFS_NN0_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFNR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(!R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
module \$__DFFS_NP0_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFNR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
// DFFRE D Flip-Flop with Clock Enable and Synchronous Reset
module \$__DFFSE_PN0 (input D, C, R, E, output Q); DFFRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(!R), .CE(E)); endmodule
module \$__DFFSE_PP0 (input D, C, R, E, output Q); DFFRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R), .CE(E)); endmodule
module \$__DFFSE_PN0 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(!R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
module \$__DFFSE_PP0 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
// DFFNRE D Flip-Flop with Negative-Edge Clock,Clock Enable, and Synchronous Reset
module \$__DFFNSE_PN0 (input D, C, R, E, output Q); DFFNRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(!R), .CE(E)); endmodule
module \$__DFFNSE_PP0 (input D, C, R, E, output Q); DFFNRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R), .CE(E)); endmodule
module \$__DFFSE_NN0 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFNRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(!R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
module \$__DFFSE_NP0 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFNRE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
// DFFS D Flip-Flop with Synchronous Set
module \$__DFFS_PN1_ (input D, C, R, output Q); DFFS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(!R)); endmodule
module \$__DFFS_PP1_ (input D, C, R, output Q); DFFS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R)); endmodule
module \$__DFFS_PN1_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(!R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
module \$__DFFS_PP1_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
// DFFNS D Flip-Flop with Negative-Edge Clock and Synchronous Set
module \$__DFFS_NN1_ (input D, C, R, output Q); DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(!R)); endmodule
module \$__DFFS_NP1_ (input D, C, R, output Q); DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R)); endmodule
module \$__DFFS_NN1_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(!R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
module \$__DFFS_NP1_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
// DFFSE D Flip-Flop with Clock Enable and Synchronous Set
module \$__DFFSE_PN1 (input D, C, R, E, output Q); DFFSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(!R), .CE(E)); endmodule
module \$__DFFSE_PP1 (input D, C, R, E, output Q); DFFSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R), .CE(E)); endmodule
module \$__DFFSE_PN1 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(!R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
module \$__DFFSE_PP1 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
// DFFNSE D Flip-Flop with Negative-Edge Clock,Clock Enable,and Synchronous Set
module \$__DFFSE_NN1 (input D, C, R, E, output Q); DFFNSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(!R), .CE(E)); endmodule
module \$__DFFSE_NP1 (input D, C, R, E, output Q); DFFNSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R), .CE(E)); endmodule
module \$__DFFSE_NN1 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFNSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(!R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
module \$__DFFSE_NP1 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFNSE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .SET(R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
// DFFP D Flip-Flop with Asynchronous Preset
module \$_DFF_PP1_ (input D, C, R, output Q); DFFP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R)); endmodule
module \$_DFF_PN1_ (input D, C, R, output Q); DFFP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(!R)); endmodule
module \$_DFF_PP1_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
module \$_DFF_PN1_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(!R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
// DFFNP D Flip-Flop with Negative-Edge Clock and Asynchronous Preset
module \$_DFF_NP1_ (input D, C, R, output Q); DFFNP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R)); endmodule
module \$_DFF_NN1_ (input D, C, R, output Q); DFFNP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(!R)); endmodule
module \$_DFF_NP1_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFNP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
module \$_DFF_NN1_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFNP _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(!R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
// DFFC D Flip-Flop with Asynchronous Clear
module \$_DFF_PP0_ (input D, C, R, output Q); DFFC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R)); endmodule
module \$_DFF_PN0_ (input D, C, R, output Q); DFFC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(!R)); endmodule
module \$_DFF_PP0_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
module \$_DFF_PN0_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(!R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
// DFFNC D Flip-Flop with Negative-Edge Clock and Asynchronous Clear
module \$_DFF_NP0_ (input D, C, R, output Q); DFFNC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R)); endmodule
module \$_DFF_NN0_ (input D, C, R, output Q); DFFNC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(!R)); endmodule
module \$_DFF_NP0_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFNC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
module \$_DFF_NN0_ #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, output Q);
DFFNC _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(!R));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
// DFFPE D Flip-Flop with Clock Enable and Asynchronous Preset
module \$__DFFE_PP1 (input D, C, R, E, output Q); DFFPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R), .CE(E)); endmodule
module \$__DFFE_PN1 (input D, C, R, E, output Q); DFFPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(!R), .CE(E)); endmodule
module \$__DFFE_PP1 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
module \$__DFFE_PN1 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(!R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
// DFFNPE D Flip-Flop with Negative-Edge Clock,Clock Enable, and Asynchronous Preset
module \$__DFFE_NP1 (input D, C, R, E, output Q); DFFNPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R), .CE(E)); endmodule
module \$__DFFE_NN1 (input D, C, R, E, output Q); DFFNPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(!R), .CE(E)); endmodule
module \$__DFFE_NP1 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFNPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
module \$__DFFE_NN1 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFNPE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .PRESET(!R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b0;
endmodule
// DFFCE D Flip-Flop with Clock Enable and Asynchronous Clear
module \$__DFFE_PP0 (input D, C, R, E, output Q); DFFCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R), .CE(E)); endmodule
module \$__DFFE_PN0 (input D, C, R, E, output Q); DFFCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(!R), .CE(E)); endmodule
module \$__DFFE_PP0 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
module \$__DFFE_PN0 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(!R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
// DFFNCE D Flip-Flop with Negative-Edge Clock,Clock Enable and Asynchronous Clear
module \$__DFFE_NP0 (input D, C, R, E, output Q); DFFNCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R), .CE(E)); endmodule
module \$__DFFE_NN0 (input D, C, R, E, output Q); DFFNCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(!R), .CE(E)); endmodule
module \$__DFFE_NP0 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFNCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
module \$__DFFE_NN0 #(parameter _TECHMAP_WIREINIT_Q_ = 1'bx) (input D, C, R, E, output Q);
DFFNCE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .CLEAR(!R), .CE(E));
wire _TECHMAP_REMOVEINIT_Q_ = _TECHMAP_WIREINIT_Q_ !== 1'b1;
endmodule
module \$lut (A, Y);

15
techlibs/gowin/synth_gowin.cc
View file

@ -67,6 +67,9 @@ struct SynthGowinPass : public ScriptPass
log(" -nowidelut\n");
log(" do not use muxes to implement LUTs larger than LUT4s\n");
log("\n");
log(" -noiopads\n");
log(" do not emit IOB at top level ports\n");
log("\n");
log(" -abc9\n");
log(" use new ABC9 flow (EXPERIMENTAL)\n");
log("\n");
@ -77,7 +80,7 @@ struct SynthGowinPass : public ScriptPass
}
string top_opt, vout_file;
bool retime, nobram, nodram, flatten, nodffe, nowidelut, abc9;
bool retime, nobram, nodram, flatten, nodffe, nowidelut, abc9, noiopads;
void clear_flags() YS_OVERRIDE
{
@ -90,6 +93,7 @@ struct SynthGowinPass : public ScriptPass
nodram = false;
nowidelut = false;
abc9 = false;
noiopads = false;
}
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
@ -144,6 +148,10 @@ struct SynthGowinPass : public ScriptPass
abc9 = true;
continue;
}
if (args[argidx] == "-noiopads") {
noiopads = true;
continue;
}
break;
}
extra_args(args, argidx, design);
@ -236,8 +244,9 @@ struct SynthGowinPass : public ScriptPass
run("techmap -map +/gowin/cells_map.v");
run("setundef -undriven -params -zero");
run("hilomap -singleton -hicell VCC V -locell GND G");
run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O "
"-toutpad TBUF OEN:I:O -tinoutpad IOBUF OEN:O:I:IO", "(unless -noiopads)");
if (!noiopads || help_mode)
run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O "
"-toutpad TBUF OEN:I:O -tinoutpad IOBUF OEN:O:I:IO", "(unless -noiopads)");
run("clean");
}