Corrected density check script, and corrected the LI fill generation
to meet the MR manufacturing requirements.
diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech
index ecfb831..0458e9e 100644
--- a/sky130/magic/sky130.tech
+++ b/sky130/magic/sky130.tech
@@ -1908,37 +1908,43 @@
or polyfill_fine
calma 28 28
-#---------------------------------------------------
+#---------------------------------------------------------
# LI fill
-#---------------------------------------------------
+# Note requirement that LI fill may not overlap (non-fill)
+# diff or poly.
+#---------------------------------------------------------
templayer obstruct_li_coarse allli,allpad,obsli,lifill,fillblock,fillblock4
- grow 3000
+ grow 2800
+ or alldiff,allpoly
+ grow 200
templayer lifill_coarse topbox
- # slots 0 2000 200 0 2000 200 700 0
- slots 0 2000 350 0 2000 350 700 0
+ slots 0 3000 500 0 3000 500 700 0
and-not obstruct_li_coarse
and topbox
- shrink 995
- grow 995
+ shrink 1495
+ grow 1495
templayer obstruct_li_medium allli,allpad,obsli,lifill,fillblock,fillblock4
- grow 2800
+ grow 2500
or lifill_coarse
+ grow 300
+ or alldiff,allpoly
grow 200
templayer lifill_medium topbox
- slots 0 1000 200 0 1000 200 700 0
+ slots 0 1500 500 0 1500 500 700 0
and-not obstruct_li_medium
and topbox
- shrink 495
- grow 495
+ shrink 745
+ grow 745
templayer obstruct_li_fine allli,allpad,obsli,lifill,fillblock,fillblock4
- grow 300
or lifill_coarse,lifill_medium
+ grow 300
+ or alldiff,allpoly
grow 200
templayer lifill_fine topbox
- slots 0 580 200 0 580 200 700 0
+ slots 0 580 500 0 580 500 700 0
and-not obstruct_li_fine
and topbox
shrink 285
