Update Nangate45 ariane136 scripts

Signed-off-by: Ravi Varadarajan <rvaradarajan@ucsd.edu>

Flows/NanGate45/ariane136/scripts/cadence/design_setup.tcl

@@ -20,3 +20,7 @@ set GEN_EFF medium
 # Effort level during optimization in syn_map -physical (or called mapping) stage
 # possible values are : high, medium or low
 set MAP_EFF high
+#
+set SITE "FreePDK45_38x28_10R_NP_162NW_34O"
+set HALO_WIDTH 5
+set TOP_ROUTING_LAYER 10

Flows/NanGate45/ariane136/scripts/cadence/run_invs.tcl

@@ -12,8 +12,6 @@ set handoff_dir  "./syn_handoff"
 set netlist ${handoff_dir}/${DESIGN}.v
 set sdc ${handoff_dir}/${DESIGN}.sdc 
 
-set site "FreePDK45_38x28_10R_NP_162NW_34O"
-
 set rptDir summaryReport/ 
 set encDir enc/
 
@@ -63,7 +61,7 @@ if {[info exist ::env(PHY_SYNTH)] && $::env(PHY_SYNTH) == 1} {
     defIn ${handoff_dir}/${DESIGN}.def
 } else {
     defIn $floorplan_def
-    addHaloToBlock -allMacro 5 5 5 5
+    addHaloToBlock -allMacro $HALO_WIDTH $HALO_WIDTH $HALO_WIDTH $HALO_WIDTH
     place_design -concurrent_macros
     refine_macro_place
 }
@@ -72,7 +70,7 @@ saveDesign ${encDir}/${DESIGN}_floorplan.enc
 
 setPlaceMode -place_detail_legalization_inst_gap 1
 setFillerMode -fitGap true
-setDesignMode -topRoutingLayer 10
+setDesignMode -topRoutingLayer $TOP_ROUTING_LAYER
 setDesignMode -bottomRoutingLayer 2 
 
 place_opt_design -out_dir $rptDir -prefix place