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Merge pull request #1105 from YosysHQ/gatecat/nexus-io-error

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nexus: Check IO-bank compatibility
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myrtle 2023-02-21 11:50:34 +01:00 committed by GitHub
commit 19fec70aa3
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1 changed files with 10 additions and 0 deletions
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10
nexus/pack.cc
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@ -607,6 +607,16 @@ struct NexusPacker
// Get IO type for reporting purposes // Get IO type for reporting purposes
std::string io_type = str_or_default(ci->attrs, id_IO_TYPE, "LVCMOS33"); std::string io_type = str_or_default(ci->attrs, id_IO_TYPE, "LVCMOS33");
bool is_wr_bel = (ctx->getBelType(bel) == id_SEIO33_CORE);
if (!ctx->io_types.count(io_type))
log_error("IO '%s' has an unsupported IO type '%s'\n", ctx->nameOf(ci), io_type.c_str());
bool is_wr_io = (ctx->io_types.at(io_type).style & IOBANK_WR);
if (is_wr_io != is_wr_bel) {
log_error("%s IO '%s' requires a %s bank but is placed on pin %s in a %s bank.\n", io_type.c_str(),
ctx->nameOf(ci), (is_wr_io ? "wide-range" : "high-performance"), loc.c_str(),
(is_wr_bel ? "wide-range" : "high-performance"));
}
if (ctx->is_io_type_diff(io_type)) { if (ctx->is_io_type_diff(io_type)) {
// Convert from SEIO18 to DIFFIO18 // Convert from SEIO18 to DIFFIO18
if (ctx->getBelType(bel) != id_SEIO18_CORE) if (ctx->getBelType(bel) != id_SEIO18_CORE)