diff options
Diffstat (limited to 'techlibs/gowin')
| -rw-r--r-- | techlibs/gowin/Makefile.inc | 6 | ||||
| -rw-r--r-- | techlibs/gowin/brams.txt (renamed from techlibs/gowin/bram.txt) | 0 | ||||
| -rw-r--r-- | techlibs/gowin/lutrams.txt (renamed from techlibs/gowin/dram.txt) | 0 | ||||
| -rw-r--r-- | techlibs/gowin/lutrams_map.v (renamed from techlibs/gowin/drams_map.v) | 0 | ||||
| -rw-r--r-- | techlibs/gowin/synth_gowin.cc | 53 |
5 files changed, 31 insertions, 28 deletions
diff --git a/techlibs/gowin/Makefile.inc b/techlibs/gowin/Makefile.inc index d2853704b..fe5d9d6e6 100644 --- a/techlibs/gowin/Makefile.inc +++ b/techlibs/gowin/Makefile.inc @@ -7,9 +7,9 @@ $(eval $(call add_share_file,share/gowin,techlibs/gowin/cells_map.v)) $(eval $(call add_share_file,share/gowin,techlibs/gowin/cells_sim.v)) $(eval $(call add_share_file,share/gowin,techlibs/gowin/arith_map.v)) $(eval $(call add_share_file,share/gowin,techlibs/gowin/brams_map.v)) -$(eval $(call add_share_file,share/gowin,techlibs/gowin/bram.txt)) -$(eval $(call add_share_file,share/gowin,techlibs/gowin/drams_map.v)) -$(eval $(call add_share_file,share/gowin,techlibs/gowin/dram.txt)) +$(eval $(call add_share_file,share/gowin,techlibs/gowin/brams.txt)) +$(eval $(call add_share_file,share/gowin,techlibs/gowin/lutrams_map.v)) +$(eval $(call add_share_file,share/gowin,techlibs/gowin/lutrams.txt)) diff --git a/techlibs/gowin/bram.txt b/techlibs/gowin/brams.txt index e406f9c51..e406f9c51 100644 --- a/techlibs/gowin/bram.txt +++ b/techlibs/gowin/brams.txt diff --git a/techlibs/gowin/dram.txt b/techlibs/gowin/lutrams.txt index 9db530251..9db530251 100644 --- a/techlibs/gowin/dram.txt +++ b/techlibs/gowin/lutrams.txt diff --git a/techlibs/gowin/drams_map.v b/techlibs/gowin/lutrams_map.v index a50ab365a..a50ab365a 100644 --- a/techlibs/gowin/drams_map.v +++ b/techlibs/gowin/lutrams_map.v diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc index 6cf058f29..c5b41b503 100644 --- a/techlibs/gowin/synth_gowin.cc +++ b/techlibs/gowin/synth_gowin.cc @@ -55,23 +55,23 @@ struct SynthGowinPass : public ScriptPass log(" -nobram\n"); log(" do not use BRAM cells in output netlist\n"); log("\n"); - log(" -nodram\n"); + log(" -nolutram\n"); log(" do not use distributed RAM cells in output netlist\n"); log("\n"); log(" -noflatten\n"); log(" do not flatten design before synthesis\n"); log("\n"); log(" -retime\n"); - log(" run 'abc' with -dff option\n"); + log(" run 'abc' with '-dff -D 1' options\n"); log("\n"); log(" -nowidelut\n"); log(" do not use muxes to implement LUTs larger than LUT4s\n"); log("\n"); log(" -noiopads\n"); log(" do not emit IOB at top level ports\n"); - log("\n"); - log(" -abc9\n"); - log(" use new ABC9 flow (EXPERIMENTAL)\n"); + //log("\n"); + //log(" -abc9\n"); + //log(" use new ABC9 flow (EXPERIMENTAL)\n"); log("\n"); log("\n"); log("The following commands are executed by this synthesis command:\n"); @@ -80,7 +80,7 @@ struct SynthGowinPass : public ScriptPass } string top_opt, vout_file; - bool retime, nobram, nodram, flatten, nodffe, nowidelut, abc9, noiopads; + bool retime, nobram, nolutram, flatten, nodffe, nowidelut, abc9, noiopads; void clear_flags() YS_OVERRIDE { @@ -90,7 +90,7 @@ struct SynthGowinPass : public ScriptPass flatten = true; nobram = false; nodffe = false; - nodram = false; + nolutram = false; nowidelut = false; abc9 = false; noiopads = false; @@ -128,8 +128,8 @@ struct SynthGowinPass : public ScriptPass nobram = true; continue; } - if (args[argidx] == "-nodram") { - nodram = true; + if (args[argidx] == "-nolutram" || /*deprecated*/args[argidx] == "-nodram") { + nolutram = true; continue; } if (args[argidx] == "-nodffe") { @@ -144,10 +144,10 @@ struct SynthGowinPass : public ScriptPass nowidelut = true; continue; } - if (args[argidx] == "-abc9") { - abc9 = true; - continue; - } + //if (args[argidx] == "-abc9") { + // abc9 = true; + // continue; + //} if (args[argidx] == "-noiopads") { noiopads = true; continue; @@ -188,28 +188,32 @@ struct SynthGowinPass : public ScriptPass run("synth -run coarse"); } - if (!nobram && check_label("bram", "(skip if -nobram)")) + if (!nobram && check_label("map_bram", "(skip if -nobram)")) { - run("memory_bram -rules +/gowin/bram.txt"); + run("memory_bram -rules +/gowin/brams.txt"); run("techmap -map +/gowin/brams_map.v -map +/gowin/cells_sim.v"); } - if (!nodram && check_label("dram", "(skip if -nodram)")) + if (!nolutram && check_label("map_lutram", "(skip if -nolutram)")) { - run("memory_bram -rules +/gowin/dram.txt"); - run("techmap -map +/gowin/drams_map.v"); + run("memory_bram -rules +/gowin/lutrams.txt"); + run("techmap -map +/gowin/lutrams_map.v"); run("determine_init"); } - if (check_label("fine")) + if (check_label("map_ffram")) { run("opt -fast -mux_undef -undriven -fine"); run("memory_map"); run("opt -undriven -fine"); + } + + if (check_label("map_gates")) + { run("techmap -map +/techmap.v -map +/gowin/arith_map.v"); run("techmap -map +/techmap.v"); if (retime || help_mode) - run("abc -dff", "(only if -retime)"); + run("abc -dff -D 1", "(only if -retime)"); run("splitnets"); } @@ -227,13 +231,13 @@ struct SynthGowinPass : public ScriptPass if (check_label("map_luts")) { - if (nowidelut && abc9) { + /*if (nowidelut && abc9) { run("abc9 -lut 4"); - } else if (nowidelut && !abc9) { + } else*/ if (nowidelut && !abc9) { run("abc -lut 4"); - } else if (!nowidelut && abc9) { + } else /*if (!nowidelut && abc9) { run("abc9 -lut 4:8"); - } else if (!nowidelut && !abc9) { + } else*/ if (!nowidelut && !abc9) { run("abc -lut 4:8"); } run("clean"); @@ -248,7 +252,6 @@ struct SynthGowinPass : public ScriptPass run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O " "-toutpad TBUF OEN:I:O -tinoutpad IOBUF OEN:O:I:IO", "(unless -noiopads)"); run("clean"); - } if (check_label("check")) |