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| author | Pepijn de Vos <pepijndevos@gmail.com> | 2019-09-04 16:29:40 +0200 |
|---|---|---|
| committer | Pepijn de Vos <pepijndevos@gmail.com> | 2019-09-04 16:29:40 +0200 |
| commit | ae93c034adc8a7d14a9f39175dacdddda75ea7a2 (patch) | |
| tree | 4435ba51d06e81f6b450d72f9e0b6aabb7af3f42 | |
| parent | d65a47c86d4ccc89db419638896fefd3b2324588 (diff) | |
| download | yosys-ae93c034adc8a7d14a9f39175dacdddda75ea7a2.tar.gz yosys-ae93c034adc8a7d14a9f39175dacdddda75ea7a2.tar.bz2 yosys-ae93c034adc8a7d14a9f39175dacdddda75ea7a2.zip | |
set undriven pads to zero
| -rw-r--r-- | examples/gowin/demo.v | 4 | ||||
| -rw-r--r-- | techlibs/gowin/synth_gowin.cc | 1 |
2 files changed, 3 insertions, 2 deletions
diff --git a/examples/gowin/demo.v b/examples/gowin/demo.v index f5c001893..485fec97f 100644 --- a/examples/gowin/demo.v +++ b/examples/gowin/demo.v @@ -1,7 +1,7 @@ module demo ( input clk, - output [15:0] leds - //,output unused + output [15:0] leds, + output unused ); localparam PRESCALE = 20; reg [PRESCALE+3:0] counter = 0; diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc index 0bfa9da1a..f7a5006bc 100644 --- a/techlibs/gowin/synth_gowin.cc +++ b/techlibs/gowin/synth_gowin.cc @@ -210,6 +210,7 @@ struct SynthGowinPass : public ScriptPass if (check_label("map_cells")) { run("techmap -map +/gowin/cells_map.v"); + run("setundef -undriven -zero"); run("hilomap -hicell VCC V -locell GND G"); run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O", "(unless -noiopads)"); run("dffinit -ff DFF Q INIT"); |