1 files changed, 2 insertions, 0 deletions
diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc
index a1edf9e5..f04b1269 100644
--- a/ecp5/bitstream.cc
+++ b/ecp5/bitstream.cc
@@ -294,6 +294,8 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
             if (dir == "INPUT" && !is_differential(ioType_from_str(iotype))) {
                 cc.tiles[pio_tile].add_enum(pio + ".HYSTERESIS", "ON");
             }
+        } else if (ci->type == ctx->id("DCCA")) {
+            // Nothing to do
         } else {
             NPNR_ASSERT_FALSE("unsupported cell type");
         }