added ihp-sg13g2 ibex example found during AT runs

Signed-off-by: Jeff Ng <[email protected]>

Author: jeffng-or

flow/designs/ihp-sg13g2/ibex/config.mk

@@ -45,7 +45,18 @@ export SDC_FILE      = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.
 # Adders degrade ibex setup repair
 export ADDER_MAP_FILE :=
 
-export CORE_UTILIZATION = 45
-export PLACE_DENSITY_LB_ADDON = 0.2
+#export CORE_UTILIZATION = 45
+#export PLACE_DENSITY_LB_ADDON = 0.2
 export TNS_END_PERCENT = 100
-export CTS_BUF_DISTANCE = 60
+export CTS_BUF_DISTANCE = 60
+
+# AT settings to force DRT 0206 checkConnectivity error
+export CELL_PAD_IN_SITES_DETAIL_PLACEMENT = 1
+export CELL_PAD_IN_SITES_GLOBAL_PLACEMENT = 1
+export CORE_ASPECT_RATIO = 0.9224734929429836
+export CORE_MARGIN = 16.5
+export CORE_UTILIZATION = 28
+export CTS_CLUSTER_DIAMETER = 136
+export CTS_CLUSTER_SIZE = 58
+export PLACE_DENSITY_LB_ADDON = 0.02722404393382803
+export PLACE_PINS_ARGS = -min_distance 1

flow/designs/ihp-sg13g2/ibex/constraint.sdc

@@ -2,7 +2,7 @@ current_design ibex_core
 
 set clk_name  core_clock
 set clk_port_name clk_i
-set clk_period 10.75
+set clk_period 11.292376467662535
 set clk_io_pct 0.2
 
 set clk_port [get_ports $clk_port_name]

flow/platforms/ihp-sg13g2/fastroute.tcl

@@ -2,3 +2,4 @@ set_global_routing_layer_adjustment $::env(MIN_ROUTING_LAYER)-$::env(MAX_ROUTING
 
 set_routing_layers -signal $::env(MIN_ROUTING_LAYER)-$::env(MAX_ROUTING_LAYER)
 
+set_global_routing_layer_adjustment $::env(MIN_ROUTING_LAYER)-$::env(MAX_ROUTING_LAYER) 0.12387594199917915