diff options
Diffstat (limited to 'techlibs/intel_alm/synth_intel_alm.cc')
| -rw-r--r-- | techlibs/intel_alm/synth_intel_alm.cc | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/techlibs/intel_alm/synth_intel_alm.cc b/techlibs/intel_alm/synth_intel_alm.cc index 7c9e3d117..d0e84aabd 100644 --- a/techlibs/intel_alm/synth_intel_alm.cc +++ b/techlibs/intel_alm/synth_intel_alm.cc @@ -75,13 +75,16 @@ struct SynthIntelALMPass : public ScriptPass { log(" -noiopad\n"); log(" do not instantiate IO buffers\n"); log("\n"); + log(" -noclkbuf\n"); + log(" do not insert global clock buffers\n"); + log("\n"); log("The following commands are executed by this synthesis command:\n"); help_script(); log("\n"); } string top_opt, family_opt, bram_type, vout_file; - bool flatten, quartus, nolutram, nobram, dff, nodsp, noiopad; + bool flatten, quartus, nolutram, nobram, dff, nodsp, noiopad, noclkbuf; void clear_flags() override { @@ -96,6 +99,7 @@ struct SynthIntelALMPass : public ScriptPass { dff = false; nodsp = false; noiopad = false; + noclkbuf = false; } void execute(std::vector<std::string> args, RTLIL::Design *design) override @@ -154,6 +158,10 @@ struct SynthIntelALMPass : public ScriptPass { noiopad = true; continue; } + if (args[argidx] == "-noclkbuf") { + noclkbuf = true; + continue; + } break; } extra_args(args, argidx, design); @@ -268,6 +276,8 @@ struct SynthIntelALMPass : public ScriptPass { run("techmap -map +/intel_alm/common/dff_map.v"); run("opt -full -undriven -mux_undef"); run("clean -purge"); + if (!noclkbuf) + run("clkbufmap -buf MISTRAL_CLKBUF Q:A", "(unless -noclkbuf)"); } if (check_label("map_luts")) { |