feat(precheck): port the gds/lef pin consistency check to gf180mcuD

precheck/pin_check.py

@@ -410,7 +410,6 @@ def pin_check(
 
     gds_errors = 0
 
-    if tech != "gf180mcuD":
     gds_layers = valid_lef_port_layers[tech]
     gds_layer_lookup = {j: i for i, j in gds_layers.items()}
     polygon_list = {layer: [] for layer in gds_layers}
@@ -425,13 +424,17 @@ def pin_check(
 
     for current_pin, lef_rects in sorted(lef_ports_orig.items()):
         for layer, lx, by, rx, ty in lef_rects:
-                if layer + ".pin" not in gds_layers:
+            if tech == "gf180mcuD":
+                pin_layer = f"{layer}_label"
+            else:
+                pin_layer = f"{layer}.pin"
+            if pin_layer not in gds_layers:
                 raise PrecheckFailure(
                     f"Unexpected port layer in LEF: {current_pin} is on layer {layer}"
                 )
 
             pin_ok = False
-                for poly in merged_layers[layer + ".pin"]:
+            for poly in merged_layers[pin_layer]:
                 if poly.contain_all(
                     ((lx + 1) / 1000, (by + 1) / 1000),
                     ((rx - 1) / 1000, (by + 1) / 1000),
@@ -442,7 +445,7 @@ def pin_check(
 
             if not pin_ok:
                 logging.error(
-                        f"Port {current_pin} missing from layer {layer}.pin in {gds}"
+                    f"Port {current_pin} missing from layer {pin_layer} in {gds}"
                 )
                 gds_errors += 1
 

precheck/tech_data.py

@@ -163,6 +163,12 @@ valid_lef_port_layers = {
         "Metal5.pin": (67, 2),
         "TopMetal1.pin": (126, 2),
     },
+    "gf180mcuD": {
+        "Metal1_label": (34, 10),
+        "Metal2_label": (36, 10),
+        "Metal3_label": (42, 10),
+        "Metal4_label": (46, 10),
+    },
 }
 forbidden_layers = {
     "sky130A": [