diff options
Diffstat (limited to 'techlibs')
| -rw-r--r-- | techlibs/gowin/cells_map.v | 5 | ||||
| -rw-r--r-- | techlibs/gowin/synth_gowin.cc | 1 |
2 files changed, 3 insertions, 3 deletions
diff --git a/techlibs/gowin/cells_map.v b/techlibs/gowin/cells_map.v index 881c2e9bb..9845e56a7 100644 --- a/techlibs/gowin/cells_map.v +++ b/techlibs/gowin/cells_map.v @@ -1,9 +1,10 @@ -//TODO all DFF* have INIT +//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 // DFF D Flip-Flop -module \$_DFF_P_ #(parameter INIT = 1'b0) (input D, C, output Q); DFF #(.INIT(INIT)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); endmodule +module \$_DFF_P_ (input D, C, output Q); DFF _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); 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 diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc index bb6d44e00..3c1426414 100644 --- a/techlibs/gowin/synth_gowin.cc +++ b/techlibs/gowin/synth_gowin.cc @@ -238,7 +238,6 @@ struct SynthGowinPass : public ScriptPass 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)"); - run("dffinit -ff DFF Q INIT"); run("clean"); } |