diff options
Diffstat (limited to 'techlibs/ice40/synth_ice40.cc')
| -rw-r--r-- | techlibs/ice40/synth_ice40.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index 59ada8bae..9724b7dd5 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -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) { |