update nangate45/bp_fe config

Signed-off-by: Eder Monteiro <[email protected]>

Author: eder-matheus

flow/designs/nangate45/bp_fe_top/config.mk

@@ -33,3 +33,5 @@ export MACRO_PLACE_CHANNEL = 20 20
 export PLACE_DENSITY_LB_ADDON = 0.10
 export PLACE_DENSITY_MAX_POST_HOLD = 0.12
 export TNS_END_PERCENT        = 100
+
+export FASTROUTE_TCL = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NAME)/fastroute.tcl

flow/designs/nangate45/bp_fe_top/fastroute.tcl

@@ -0,0 +1,4 @@
+set_global_routing_layer_adjustment metal2-metal3 0.4
+set_global_routing_layer_adjustment metal4-$::env(MAX_ROUTING_LAYER) 0.15
+
+set_routing_layers -signal $::env(MIN_ROUTING_LAYER)-$::env(MAX_ROUTING_LAYER)