Insert per-design workarounds for flow issues

Signed-off-by: Martin Povišer <[email protected]>

Author: povik

flow/designs/nangate45/aes/config.mk

@@ -11,3 +11,5 @@ export PLACE_DENSITY_LB_ADDON = 0.20
 export TNS_END_PERCENT        = 100
 export REMOVE_CELLS_FOR_EQY   = TAPCELL*
 
+# workaround for high congestion in post-grt repair
+export SKIP_INCREMENTAL_REPAIR = 1

flow/designs/sky130hd/jpeg/config.mk

@@ -13,3 +13,6 @@ export TNS_END_PERCENT = 100
 export FASTROUTE_TCL = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/fastroute.tcl
 
 export REMOVE_ABC_BUFFERS = 1
+
+# workaround for density growing to 0.91 from adjustments on TD/RD iterations
+export GPL_ROUTABILITY_DRIVEN = 0