chore: tuning asap7 swerv_wrapper for zero violations (CORE_UTILIZATION=25, PLACE_DENSITY=0.70, clk_period=1800)

Signed-off-by: Jorge Ferreira <jorge.ferreira@precisioninno.com>

Author: jferreiraOpenRoad

flow/designs/asap7/swerv_wrapper/config.mk

@@ -51,16 +51,17 @@ export SDC_FILE      = $(DESIGN_HOME)/$(PLATFORM)/swerv_wrapper/constraint.sdc
 export ADDITIONAL_LEFS = $(sort $(wildcard $(DESIGN_HOME)/$(PLATFORM)/swerv_wrapper/lef/*.lef))
 export ADDITIONAL_LIBS = $(sort $(wildcard $(DESIGN_HOME)/$(PLATFORM)/swerv_wrapper/lib/*.lib))
 
-export DIE_AREA    = 0 0 550 600
-export CORE_AREA   = 5 5 545 595 
+export CORE_UTILIZATION = 30
+# export DIE_AREA    = 0 0 350 400
+# export CORE_AREA   = 5 5 345 395
 
 export IO_CONSTRAINTS     = $(DESIGN_HOME)/$(PLATFORM)/swerv_wrapper/io.tcl
-export PLACE_DENSITY_LB_ADDON = 0.20
+# export PLACE_DENSITY_LB_ADDON = 0.20
+export PLACE_DENSITY = 0.70
 
 export ROUTING_LAYER_ADJUSTMENT = 0.2
 
 export SWAP_ARITH_OPERATORS = 1
 export OPENROAD_HIERARCHICAL = 1
 
 export LEC_CHECK = 0
-

flow/designs/asap7/swerv_wrapper/constraint.sdc

@@ -2,7 +2,7 @@ current_design swerv_wrapper
 
 set clk_name core_clock
 set clk_port_name clk
-set clk_period 1600
+set clk_period 1800
 set clk_io_pct 0.2
 
 set clk_port [get_ports $clk_port_name]