undo modifications

Signed-off-by: Augusto Berndt <[email protected]>

Author: gudeh

flow/designs/nangate45/bp_be_top/config.mk

@@ -29,5 +29,5 @@ export PLACE_PINS_ARGS = -exclude left:500-800 -exclude right:500-800 -exclude t
 export MACRO_PLACE_HALO = 10 10
 export MACRO_PLACE_CHANNEL = 20 20
 
-export PLACE_DENSITY = 0.36
+export PLACE_DENSITY_LB_ADDON = 0.10
 export TNS_END_PERCENT        = 100

flow/designs/sky130hd/microwatt/config.mk

@@ -11,7 +11,7 @@ export SDC_FILE      = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.
 export DIE_AREA   = 0 0 2920 3520
 export CORE_AREA  = 10 10 2910 3510
 
-export PLACE_DENSITY ?= 0.25
+export PLACE_DENSITY ?= 0.2
 
 export microwatt_DIR = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)
 

flow/scripts/global_place.tcl

@@ -10,11 +10,7 @@ fast_route
 set global_placement_args {}
 
 # Parameters for routability mode in global placement
-if {$::env(GPL_ROUTABILITY_DRIVEN)} {
-  lappend global_placement_args {-routability_driven}
-  lappend global_placement_args {-routability_max_inflation_ratio} 6
-  lappend global_placement_args {-routability_inflation_ratio_coef} 3
-}
+append_env_var global_placement_args GPL_ROUTABILITY_DRIVEN -routability_driven 0
 
 # Parameters for timing driven mode in global placement
 if {$::env(GPL_TIMING_DRIVEN)} {