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 b945889fe..421ec3b4e 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -1,7 +1,7 @@ /* * yosys -- Yosys Open SYnthesis Suite * - * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> + * Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -399,7 +399,7 @@ struct SynthIce40Pass : public ScriptPass run("ice40_wrapcarry -unwrap"); run("techmap -map +/ice40/ff_map.v"); run("clean"); - run("opt_lut -dlogic SB_CARRY:I0=2:I1=1:CI=0"); + run("opt_lut -dlogic SB_CARRY:I0=1:I1=2:CI=3 -dlogic SB_CARRY:CO=3"); } if (check_label("map_cells")) @@ -417,6 +417,7 @@ struct SynthIce40Pass : public ScriptPass run("hierarchy -check"); run("stat"); run("check -noinit"); + run("blackbox =A:whitebox"); } if (check_label("blif")) |