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| author | David Shah <dave@ds0.me> | 2019-10-13 18:48:39 +0100 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2019-10-13 18:48:39 +0100 |
| commit | 8c0610e84fa6a38d3f351774bd81a32c96a91242 (patch) | |
| tree | a9b85e3fe416a3415229845b6c9d099aa513c136 /ice40 | |
| parent | ee769420e3594c45a5f531a71b136125e5cb883c (diff) | |
| download | nextpnr-8c0610e84fa6a38d3f351774bd81a32c96a91242.tar.gz nextpnr-8c0610e84fa6a38d3f351774bd81a32c96a91242.tar.bz2 nextpnr-8c0610e84fa6a38d3f351774bd81a32c96a91242.zip | |
ice40: Add set_frequency pcf command; and document pcf
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'ice40')
| -rw-r--r-- | ice40/pcf.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ice40/pcf.cc b/ice40/pcf.cc index 8c61eb23..526b3d64 100644 --- a/ice40/pcf.cc +++ b/ice40/pcf.cc @@ -100,6 +100,10 @@ bool apply_pcf(Context *ctx, std::string filename, std::istream &in) for (const auto &attr : extra_attrs) fnd_cell->second->attrs[attr.first] = attr.second; } + } else if (cmd == "set_frequency") { + if (words.size() < 3) + log_error("expected PCF syntax 'set_frequency net frequency' (on line %d)\n", lineno); + ctx->addClock(ctx->id(words.at(1)), std::stof(words.at(2))); } else { log_error("unsupported PCF command '%s' (on line %d)\n", cmd.c_str(), lineno); } |