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-rw-r--r--ice40/pack.cc16
1 files changed, 3 insertions, 13 deletions
diff --git a/ice40/pack.cc b/ice40/pack.cc
index a1eba411..90c6de31 100644
--- a/ice40/pack.cc
+++ b/ice40/pack.cc
@@ -459,7 +459,6 @@ static void pack_io(Context *ctx)
{
std::unordered_set<IdString> packed_cells;
std::unordered_set<IdString> delete_nets;
-
std::vector<std::unique_ptr<CellInfo>> new_cells;
log_info("Packing IOs..\n");
@@ -478,8 +477,7 @@ static void pack_io(Context *ctx)
rgb = net->driver.cell;
}
if (sb != nullptr) {
- // Trivial case, SB_IO used. Just destroy the net and the
- // iobuf
+ // Trivial case, SB_IO used. Just destroy the iobuf
log_info("%s feeds SB_IO %s, removing %s %s.\n", ci->name.c_str(ctx), sb->name.c_str(ctx),
ci->type.c_str(ctx), ci->name.c_str(ctx));
NetInfo *net = sb->ports.at(ctx->id("PACKAGE_PIN")).net;
@@ -490,7 +488,6 @@ static void pack_io(Context *ctx)
sb->type.c_str(ctx), sb->name.c_str(ctx));
if (net != nullptr) {
-
if (net->clkconstr != nullptr) {
if (sb->ports.count(id_D_IN_0)) {
NetInfo *din0_net = sb->ports.at(id_D_IN_0).net;
@@ -509,15 +506,6 @@ static void pack_io(Context *ctx)
}
}
}
-
- delete_nets.insert(net->name);
- sb->ports.at(ctx->id("PACKAGE_PIN")).net = nullptr;
- }
- if (ci->type == ctx->id("$nextpnr_iobuf")) {
- NetInfo *net2 = ci->ports.at(ctx->id("I")).net;
- if (net2 != nullptr) {
- delete_nets.insert(net2->name);
- }
}
} else if (rgb != nullptr) {
log_info("%s use by SB_RGBA_DRV/SB_RGB_DRV %s, not creating SB_IO\n", ci->name.c_str(ctx),
@@ -533,6 +521,8 @@ static void pack_io(Context *ctx)
new_cells.push_back(std::move(ice_cell));
sb = new_cells.back().get();
}
+ for (auto port : ci->ports)
+ disconnect_port(ctx, ci, port.first);
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) || is_sb_gb_io(ctx, ci)) {