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| author | David Shah <davey1576@gmail.com> | 2018-11-16 15:56:45 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-11-16 15:56:45 +0000 |
| commit | 1851ebb1c6b9edc2d8396494864fa7fa3b833c9d (patch) | |
| tree | 128bb2efcd6677ffeae071111d08ffb7e6177dcd | |
| parent | af5c4d1b11d717b551a6e3f5ba504cb49f9d1347 (diff) | |
| parent | e1e8d8cd14020b3b3ccf1995587438340b65bb5c (diff) | |
| download | nextpnr-1851ebb1c6b9edc2d8396494864fa7fa3b833c9d.tar.gz nextpnr-1851ebb1c6b9edc2d8396494864fa7fa3b833c9d.tar.bz2 nextpnr-1851ebb1c6b9edc2d8396494864fa7fa3b833c9d.zip | |
Merge pull request #124 from smunaut/ice40_warn_sbio_misuse
ice40: Add warning if an instanciated SB_IO has its PACKAGE_PIN used elsewhere
| -rw-r--r-- | ice40/pack.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/ice40/pack.cc b/ice40/pack.cc index 7a27d505..e0a9f6ad 100644 --- a/ice40/pack.cc +++ b/ice40/pack.cc @@ -438,6 +438,11 @@ static void pack_io(Context *ctx) } packed_cells.insert(ci->name); std::copy(ci->attrs.begin(), ci->attrs.end(), std::inserter(sb->attrs, sb->attrs.begin())); + } else if (is_sb_io(ctx, ci)) { + NetInfo *net = ci->ports.at(ctx->id("PACKAGE_PIN")).net; + if ((net != nullptr) && (net->users.size() > 1)) + log_error("PACKAGE_PIN of SB_IO '%s' connected to more than a single top level IO.\n", + ci->name.c_str(ctx)); } } for (auto pcell : packed_cells) { |