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-rw-r--r--gowin/constids.inc5
1 files changed, 5 insertions, 0 deletions
diff --git a/gowin/constids.inc b/gowin/constids.inc
index be016e0e..3e72340a 100644
--- a/gowin/constids.inc
+++ b/gowin/constids.inc
@@ -636,6 +636,8 @@ X(I)
X(O)
X(IO)
X(OE)
+X(OB)
+
// bels
X(DFF0)
X(DFF1)
@@ -735,6 +737,7 @@ X(IBUF)
X(OBUF)
X(IOBUF)
X(TBUF)
+X(TLVDS_OBUF)
// primitive attributes
X(INIT)
@@ -744,6 +747,8 @@ X(INPUT_USED)
X(OUTPUT_USED)
X(ENABLE_USED)
X(BEL)
+X(DIFF)
+X(DIFF_TYPE)
// ports
X(EN)