diff options
Diffstat (limited to 'techlibs/machxo2/synth_machxo2.cc')
| -rw-r--r-- | techlibs/machxo2/synth_machxo2.cc | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/techlibs/machxo2/synth_machxo2.cc b/techlibs/machxo2/synth_machxo2.cc index bba8f4830..dbd01bbfd 100644 --- a/techlibs/machxo2/synth_machxo2.cc +++ b/techlibs/machxo2/synth_machxo2.cc @@ -57,6 +57,12 @@ struct SynthMachXO2Pass : public ScriptPass log(" from label is synonymous to 'begin', and empty to label is\n"); log(" synonymous to the end of the command list.\n"); log("\n"); + log(" -nobram\n"); + log(" do not use block RAM cells in output netlist\n"); + log("\n"); + log(" -nolutram\n"); + log(" do not use LUT RAM cells in output netlist\n"); + log("\n"); log(" -noflatten\n"); log(" do not flatten design before synthesis\n"); log("\n"); @@ -74,7 +80,7 @@ struct SynthMachXO2Pass : public ScriptPass } string top_opt, blif_file, edif_file, json_file; - bool flatten, vpr, noiopad; + bool nobram, nolutram, flatten, vpr, noiopad; void clear_flags() override { @@ -82,6 +88,8 @@ struct SynthMachXO2Pass : public ScriptPass blif_file = ""; edif_file = ""; json_file = ""; + nobram = false; + nolutram = false; flatten = true; vpr = false; noiopad = false; @@ -127,6 +135,14 @@ struct SynthMachXO2Pass : public ScriptPass flatten = false; continue; } + if (args[argidx] == "-nobram") { + nobram = true; + continue; + } + if (args[argidx] == "-nolutram") { + nolutram = true; + continue; + } if (args[argidx] == "-noiopad") { noiopad = true; continue; @@ -173,6 +189,19 @@ struct SynthMachXO2Pass : public ScriptPass run("synth -run coarse"); } + if (check_label("map_ram")) + { + std::string args = ""; + if (nobram) + args += " -no-auto-block"; + if (nolutram) + args += " -no-auto-distributed"; + if (help_mode) + args += " [-no-auto-block] [-no-auto-distributed]"; + run("memory_libmap -lib +/machxo2/lutrams.txt -lib +/machxo2/brams.txt" + args, "(-no-auto-block if -nobram, -no-auto-distributed if -nolutram)"); + run("techmap -map +/machxo2/lutrams_map.v -map +/machxo2/brams_map.v"); + } + if (check_label("fine")) { run("memory_map"); @@ -185,7 +214,7 @@ struct SynthMachXO2Pass : public ScriptPass { if (!noiopad || help_mode) { - run("iopadmap -bits -outpad $__FACADE_OUTPAD I:O -inpad $__FACADE_INPAD O:I -toutpad $__FACADE_TOUTPAD OE:I:O -tinoutpad $__FACADE_TINOUTPAD OE:O:I:B A:top"); + run("iopadmap -bits -outpad $__FACADE_OUTPAD I:O -inpad $__FACADE_INPAD O:I -toutpad $__FACADE_TOUTPAD ~T:I:O -tinoutpad $__FACADE_TINOUTPAD ~T:O:I:B A:top"); run("attrmvcp -attr src -attr LOC t:$__FACADE_OUTPAD %x:+[O] t:$__FACADE_TOUTPAD %x:+[O] t:$__FACADE_TINOUTPAD %x:+[B]"); run("attrmvcp -attr src -attr LOC -driven t:$__FACADE_INPAD %x:+[I]"); } |