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coolrunner2: Initial fixes for special p-terms

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Certain signals can only be controlled by a product term and not a
sum-of-products. Do the initial work for fixing this.
This commit is contained in:
Robert Ou 2017-08-30 16:38:04 -07:00 • committed by Andrew Zonenberg
parent 7f08be4304
commit 6775177171
2 changed files with 81 additions and 1 deletions
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4
techlibs/coolrunner2/synth_coolrunner2.cc
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@ -152,7 +152,7 @@ struct SynthCoolrunner2Pass : public ScriptPass
if (check_label("map_pla"))
{
run("abc -sop -I 40 -P 56");
run("coolrunner2_sop");
run("clean");
}
if (check_label("map_cells"))
@ -162,7 +162,9 @@ struct SynthCoolrunner2Pass : public ScriptPass
run("dffinit -ff FDCP_N Q INIT");
run("dffinit -ff LDCP Q INIT");
run("dffinit -ff LDCP_N Q INIT");
run("coolrunner2_sop");
run("iopadmap -bits -inpad IBUF O:I -outpad IOBUFE I:IO -inoutpad IOBUFE O:IO -toutpad IOBUFE E:I:IO -tinoutpad IOBUFE E:O:I:IO");
run("clean");
}
if (check_label("check"))