diff options
Diffstat (limited to 'ice40/arch_place.cc')
-rw-r--r-- | ice40/arch_place.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ice40/arch_place.cc b/ice40/arch_place.cc index 59e1807d..fdd537a7 100644 --- a/ice40/arch_place.cc +++ b/ice40/arch_place.cc @@ -130,6 +130,10 @@ bool Arch::isValidBelForCell(CellInfo *cell, BelId bel) const auto pll_cell = getBoundBelCell(pll_bel); auto pi = cells.at(pll_cell)->ports[portPinToId(pll_bel_pin)]; if (pi.net != nullptr) { + // Are we perhaps a PAD INPUT Bel that can be placed here? + if (cells.at(pll_cell)->attrs[id("BEL_PAD_INPUT")] == getBelName(bel).str(this)) { + return true; + } return false; } } |