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| author | William D. Jones <thor0505@comcast.net> | 2020-11-26 21:23:13 -0500 |
|---|---|---|
| committer | Marcelina Kościelnicka <mwk@0x04.net> | 2021-02-23 17:39:58 +0100 |
| commit | 597a54dbd04542dc82b0183c31da55aa73ad41a6 (patch) | |
| tree | 9204062baffd728e8993899251b0ff44338ca54c /techlibs/machxo2 | |
| parent | 3697f351d58a1abe200457f252c41acb37da103a (diff) | |
| download | yosys-597a54dbd04542dc82b0183c31da55aa73ad41a6.tar.gz yosys-597a54dbd04542dc82b0183c31da55aa73ad41a6.tar.bz2 yosys-597a54dbd04542dc82b0183c31da55aa73ad41a6.zip | |
machxo2: Add -noiopad option to synth_machxo2.
Diffstat (limited to 'techlibs/machxo2')
| -rw-r--r-- | techlibs/machxo2/synth_machxo2.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/techlibs/machxo2/synth_machxo2.cc b/techlibs/machxo2/synth_machxo2.cc index 794f25d0a..c9ab23426 100644 --- a/techlibs/machxo2/synth_machxo2.cc +++ b/techlibs/machxo2/synth_machxo2.cc @@ -60,6 +60,9 @@ struct SynthMachXO2Pass : public ScriptPass log(" -noflatten\n"); log(" do not flatten design before synthesis\n"); log("\n"); + log(" -noiopad\n"); + log(" do not insert IO buffers\n"); + log("\n"); log(" -vpr\n"); log(" generate an output netlist (and BLIF file) suitable for VPR\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; - bool flatten, vpr; + bool flatten, vpr, noiopad; void clear_flags() override { @@ -81,6 +84,7 @@ struct SynthMachXO2Pass : public ScriptPass json_file = ""; flatten = true; vpr = false; + noiopad = false; } void execute(std::vector<std::string> args, RTLIL::Design *design) override @@ -123,6 +127,10 @@ struct SynthMachXO2Pass : public ScriptPass flatten = false; continue; } + if (args[argidx] == "-noiopad") { + noiopad = true; + continue; + } if (args[argidx] == "-vpr") { vpr = true; continue; @@ -175,7 +183,8 @@ struct SynthMachXO2Pass : public ScriptPass 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")) |