build/gowin: Don't generate IO_LOC is pin name is X.

2021-02-01 13:08:37 +01:00 · 2021-02-01 13:08:37 +01:00 · f324f9531a
parent fd33e360fb
commit f324f9531a
1 changed files with 2 additions and 1 deletions
--- a/litex/build/gowin/gowin.py
+++ b/litex/build/gowin/gowin.py
@ -26,7 +26,8 @@ def _build_cst(named_sc, named_pc):
            flat_sc.append((name, pins[0], other))

    for name, pin, other in flat_sc:
-        lines.append(f"IO_LOC \"{name}\" {pin};")
+        if pin != "X":
+            lines.append(f"IO_LOC \"{name}\" {pin};")

        for c in other:
            if isinstance(c, IOStandard):