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add tristate buffer and test

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This commit is contained in:
Pepijn de Vos 2019-10-28 15:18:01 +01:00
parent 9517525224
commit 903f997391
3 changed files with 21 additions and 2 deletions
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4
techlibs/gowin/synth_gowin.cc
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@ -174,7 +174,7 @@ struct SynthGowinPass : public ScriptPass
run("synth -run coarse");
}
if (!nobram && check_label("bram", "(skip if -nobram)"))
if (!nobram && check_label("bram", "(skip if -nobram)"))
{
run("memory_bram -rules +/gowin/bram.txt");
run("techmap -map +/gowin/brams_map.v -map +/gowin/cells_sim.v");
@ -230,7 +230,7 @@ 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", "(unless -noiopads)");
run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O, -toutpad TBUF OEN:I:O", "(unless -noiopads)");
run("dffinit -ff DFF Q INIT");
run("clean");