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machxo2: Add -noiopad option to synth_machxo2.

This commit is contained in:
William D. Jones 2020-11-26 21:23:13 -05:00 committed by Marcelina Kościelnicka
parent 3697f351d5
commit 597a54dbd0
1 changed files with 11 additions and 2 deletions
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13
techlibs/machxo2/synth_machxo2.cc
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@ -60,6 +60,9 @@ struct SynthMachXO2Pass : public ScriptPass
log(" -noflatten\n"); log(" -noflatten\n");
log(" do not flatten design before synthesis\n"); log(" do not flatten design before synthesis\n");
log("\n"); log("\n");
log(" -noiopad\n");
log(" do not insert IO buffers\n");
log("\n");
log(" -vpr\n"); log(" -vpr\n");
log(" generate an output netlist (and BLIF file) suitable for VPR\n"); log(" generate an output netlist (and BLIF file) suitable for VPR\n");
log(" (this feature is experimental and incomplete)\n"); log(" (this feature is experimental and incomplete)\n");
@ -71,7 +74,7 @@ struct SynthMachXO2Pass : public ScriptPass
} }
string top_opt, blif_file, edif_file, json_file; string top_opt, blif_file, edif_file, json_file;
bool flatten, vpr; bool flatten, vpr, noiopad;
void clear_flags() override void clear_flags() override
{ {
@ -81,6 +84,7 @@ struct SynthMachXO2Pass : public ScriptPass
json_file = ""; json_file = "";
flatten = true; flatten = true;
vpr = false; vpr = false;
noiopad = false;
} }
void execute(std::vector<std::string> args, RTLIL::Design *design) override void execute(std::vector<std::string> args, RTLIL::Design *design) override
@ -123,6 +127,10 @@ struct SynthMachXO2Pass : public ScriptPass
flatten = false; flatten = false;
continue; continue;
} }
if (args[argidx] == "-noiopad") {
noiopad = true;
continue;
}
if (args[argidx] == "-vpr") { if (args[argidx] == "-vpr") {
vpr = true; vpr = true;
continue; continue;
@ -175,7 +183,8 @@ struct SynthMachXO2Pass : public ScriptPass
if (check_label("map_ios")) if (check_label("map_ios"))
{ {
run("iopadmap -bits -outpad $__FACADE_OUTPAD I:O -inpad $__FACADE_INPAD O:I -toutpad $__FACADE_TOUTPAD OE:I:O -tinoutpad $__FACADE_TINOUTPAD OE:O:I:B A:top"); if (!noiopad || help_mode)
run("iopadmap -bits -outpad $__FACADE_OUTPAD I:O -inpad $__FACADE_INPAD O:I -toutpad $__FACADE_TOUTPAD OE:I:O -tinoutpad $__FACADE_TINOUTPAD OE:O:I:B A:top", "(skip if '-noiopad')");
} }
if (check_label("map_ffs")) if (check_label("map_ffs"))