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iopadmap: Add native support for negative-polarity output enable.

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This commit is contained in:
Marcelina Kościelnicka 2021-11-09 11:22:48 +01:00
parent 4871d8f199
commit 15b0d717ed
12 changed files with 35 additions and 43 deletions
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2
techlibs/gowin/synth_gowin.cc
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@ -240,7 +240,7 @@ struct SynthGowinPass : public ScriptPass
run("abc -dff -D 1", "(only if -retime)");
if (!noiopads || help_mode)
run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O "
"-toutpad $__GW_TBUF OE:I:O -tinoutpad $__GW_IOBUF OE:O:I:IO", "(unless -noiopads)");
"-toutpad TBUF ~OEN:I:O -tinoutpad IOBUF ~OEN:O:I:IO", "(unless -noiopads)");
}
if (check_label("map_ffs"))