diff options
Diffstat (limited to 'techlibs/gowin/synth_gowin.cc')
| -rw-r--r-- | techlibs/gowin/synth_gowin.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc index ac3dbfb29..e93225fab 100644 --- a/techlibs/gowin/synth_gowin.cc +++ b/techlibs/gowin/synth_gowin.cc @@ -186,6 +186,7 @@ struct SynthGowinPass : public ScriptPass run("techmap -map +/techmap.v"); if (retime || help_mode) run("abc -dff", "(only if -retime)"); + run("splitnets"); } if (check_label("map_ffs")) @@ -209,7 +210,8 @@ struct SynthGowinPass : public ScriptPass if (check_label("map_cells")) { run("techmap -map +/gowin/cells_map.v"); - run("hilomap -hicell VCC V -locell GND G"); + run("setundef -undriven -params -zero"); + run("hilomap -singleton -hicell VCC V -locell GND G"); run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O", "(unless -noiopads)"); run("dffinit -ff DFF Q INIT"); run("clean"); @@ -226,7 +228,7 @@ struct SynthGowinPass : public ScriptPass if (check_label("vout")) { if (!vout_file.empty() || help_mode) - run(stringf("write_verilog -nodec -attr2comment -defparam -renameprefix gen %s", + run(stringf("write_verilog -decimal -attr2comment -defparam -renameprefix gen %s", help_mode ? "<file-name>" : vout_file.c_str())); } } |