diff options
-rw-r--r-- | ecp5/pack.cc | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/ecp5/pack.cc b/ecp5/pack.cc index 82e2888a..2d2f7578 100644 --- a/ecp5/pack.cc +++ b/ecp5/pack.cc @@ -1098,6 +1098,26 @@ class Ecp5Packer for (auto cell : sorted(ctx->cells)) { CellInfo *ci = cell.second; if (ci->type == id_DCUA) { + if (ci->attrs.count(ctx->id("LOC"))) { + std::string loc = ci->attrs.at(ctx->id("LOC")); + if (loc == "DCU0" && + (ctx->args.type == ArchArgs::LFE5UM_25F || ctx->args.type == ArchArgs::LFE5UM5G_25F)) + ci->attrs[ctx->id("BEL")] = "X42/Y50/DCU"; + else if (loc == "DCU0" && + (ctx->args.type == ArchArgs::LFE5UM_45F || ctx->args.type == ArchArgs::LFE5UM5G_45F)) + ci->attrs[ctx->id("BEL")] = "X42/Y71/DCU"; + else if (loc == "DCU1" && + (ctx->args.type == ArchArgs::LFE5UM_45F || ctx->args.type == ArchArgs::LFE5UM5G_45F)) + ci->attrs[ctx->id("BEL")] = "X69/Y71/DCU"; + else if (loc == "DCU0" && + (ctx->args.type == ArchArgs::LFE5UM_85F || ctx->args.type == ArchArgs::LFE5UM5G_85F)) + ci->attrs[ctx->id("BEL")] = "X46/Y95/DCU"; + else if (loc == "DCU1" && + (ctx->args.type == ArchArgs::LFE5UM_85F || ctx->args.type == ArchArgs::LFE5UM5G_85F)) + ci->attrs[ctx->id("BEL")] = "X71/Y95/DCU"; + else + log_error("no DCU location '%s' in device '%s'\n", loc.c_str(), ctx->getChipName().c_str()); + } if (!ci->attrs.count(ctx->id("BEL"))) log_error("DCU must be constrained to a Bel!\n"); // Empty port auto-creation to generate correct tie-downs @@ -1112,7 +1132,11 @@ class Ecp5Packer for (auto pin : ctx->getBelPins(exemplar_bel)) if (ctx->getBelPinType(exemplar_bel, pin) == PORT_IN) autocreate_empty_port(ci, pin); - } else if (ci->type == id_EXTREFB) { + } + } + for (auto cell : sorted(ctx->cells)) { + CellInfo *ci = cell.second; + if (ci->type == id_EXTREFB) { const NetInfo *refo = net_or_nullptr(ci, id_REFCLKO); CellInfo *dcu = nullptr; if (refo == nullptr) |