Add Arch::isIOCell() to ecp5 and generic

1 files changed, 6 insertions, 0 deletions

diff --git a/ecp5/arch.cc b/ecp5/arch.cc
index d2d62241..4a3e8ef3 100644
--- a/ecp5/arch.cc
+++ b/ecp5/arch.cc
@@ -500,6 +500,12 @@ IdString Arch::getPortClock(const CellInfo *cell, IdString port) const { return
 
 bool Arch::isClockPort(const CellInfo *cell, IdString port) const { return false; }
 
+bool Arch::isIOCell(const CellInfo *cell) const
+{
+    return cell->type == id("TRELLIS_IO");
+}
+
+
 std::vector<std::pair<std::string, std::string>> Arch::getTilesAtLocation(int row, int col)
 {
     std::vector<std::pair<std::string, std::string>> ret;