mock-array: routing by abutment

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

flow/designs/asap7/mock-array/config.mk

@@ -51,3 +51,6 @@ export DETAILED_ROUTE_ARGS   = -bottom_routing_layer M2 -top_routing_layer M7 -s
 # same information to other stages in the flow.
 export MIN_ROUTING_LAYER = M2
 export MAX_ROUTING_LAYER = M7
+
+# works with 28 or more iterations as of writing, so give it a few more.
+export GLOBAL_ROUTE_ARGS=-congestion_iterations 40 -verbose

flow/designs/asap7/mock-array/constraints.sdc

@@ -13,3 +13,5 @@ set non_clock_inputs [lsearch -inline -all -not -exact [all_inputs] $clk_port]
 
 set_input_delay  [expr $clk_period * $clk_io_pct] -clock $clk_name $non_clock_inputs 
 set_output_delay [expr $clk_period * $clk_io_pct] -clock $clk_name [all_outputs]
+
+set_dont_touch [get_nets ces_*_*]

flow/designs/asap7/mock-array/defaults.mk

@@ -3,12 +3,12 @@
 # current unit is configured as 2.16 which is on the routing grid for M5
 
 # table of Elements - (rows cols width height pitch_x pitch_y)
-export MOCK_ARRAY_TABLE         ?= 8 8 20 20 25 25
+export MOCK_ARRAY_TABLE         ?= 8 8 20 20 20 22
 
 # Element'd data width
 export MOCK_ARRAY_DATAWIDTH     ?= 64
 
 # Must be zero for routing by abutment
-export MACRO_BLOCKAGE_HALO      ?= 0.5
+export MACRO_BLOCKAGE_HALO      ?= 0
 
 export MOCK_ARRAY_SCALE         ?= 45