diff options
Diffstat (limited to 'techlibs/ice40/synth_ice40.cc')
| -rw-r--r-- | techlibs/ice40/synth_ice40.cc | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index b8aedaadf..9724b7dd5 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -96,9 +96,9 @@ struct SynthIce40Pass : public ScriptPass log(" -abc9\n"); log(" use new ABC9 flow (EXPERIMENTAL)\n"); log("\n"); - log(" -flowmap\n"); - log(" use FlowMap LUT techmapping instead of abc (EXPERIMENTAL)\n"); - log("\n"); + log(" -flowmap\n"); + log(" use FlowMap LUT techmapping instead of abc (EXPERIMENTAL)\n"); + log("\n"); log("\n"); log("The following commands are executed by this synthesis command:\n"); help_script(); @@ -126,7 +126,7 @@ struct SynthIce40Pass : public ScriptPass abc2 = false; vpr = false; abc9 = false; - flowmap = false; + flowmap = false; device_opt = "hx"; } @@ -319,7 +319,9 @@ struct SynthIce40Pass : public ScriptPass if (check_label("map_ffram")) { run("opt -fast -mux_undef -undriven -fine"); - run("memory_map"); + run("memory_map -iattr -attr !ram_block -attr !rom_block -attr logic_block " + "-attr syn_ramstyle=auto -attr syn_ramstyle=registers " + "-attr syn_romstyle=auto -attr syn_romstyle=logic"); run("opt -undriven -fine"); } @@ -339,7 +341,6 @@ struct SynthIce40Pass : public ScriptPass if (check_label("map_ffs")) { - run("dffsr2dff"); if (!nodffe) run("dff2dffe -direct-match $_DFF_*"); if (min_ce_use >= 0) { |