From 597a54dbd04542dc82b0183c31da55aa73ad41a6 Mon Sep 17 00:00:00 2001 From: "William D. Jones" Date: Thu, 26 Nov 2020 21:23:13 -0500 Subject: [PATCH] machxo2: Add -noiopad option to synth_machxo2. --- techlibs/machxo2/synth_machxo2.cc | 13 +++++++++++-- 1 file 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 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")) -- 2.30.2