aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--ice40/arch.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/ice40/arch.h b/ice40/arch.h
index 3563baad..5ed2347d 100644
--- a/ice40/arch.h
+++ b/ice40/arch.h
@@ -680,6 +680,16 @@ struct Arch : BaseArch<ArchRanges>
return switches_locked[pi.switch_index] == WireId();
}
+ bool checkPipAvailForNet(PipId pip, NetInfo *net) const override
+ {
+ if (ice40_pip_hard_unavail(pip))
+ return false;
+
+ auto &pi = chip_info->pip_data[pip.index];
+ auto swl = switches_locked[pi.switch_index];
+ return swl == WireId() || (swl == getPipDstWire(pip) && wire_to_net[swl.index] == net);
+ }
+
NetInfo *getBoundPipNet(PipId pip) const override
{
NPNR_ASSERT(pip != PipId());