Merge pull request #1031 from vijayank88/gf180_config

GF180 config update

Author: maliberty

flow/platforms/gf180/config.mk

@@ -42,10 +42,10 @@ export RC_FILE                                = $(PLATFORM_DIR)/setRC.tcl
 
 # set the TIEHI/TIELO cells
 export TIEHI_CELL_AND_PORT                    = gf180mcu_fd_sc_mcu$(TRACK_OPTION)$(POWER_OPTION)__tieh Z
-export TIELO_CELL_AND_PORT                    = gf180mcu_fd_sc_mcu$(TRACK_OPTION)$(POWER_OPTION)__tiel Z
+export TIELO_CELL_AND_PORT                    = gf180mcu_fd_sc_mcu$(TRACK_OPTION)$(POWER_OPTION)__tiel ZN
 
 # Set yosys-abc clock period to first "clk_period" value or "-period" value found in sdc file
-export ABC_CLOCK_PERIOD_IN_PS                ?= $(shell sed -nr "s/^set\s+clk_period\s+(\S+).*|.*-period\s+(\S+).*/\1\2/p" $(SDC_FILE) | head -1 | awk '{print $$1}')
+export ABC_CLOCK_PERIOD_IN_PS                ?= $(shell sed -nr "s/^set\s+clk_period\s+(\S+).*|.*-period\s+(\S+).*/\1\2/p" $(SDC_FILE) | head -1 | awk '{print $$1*1000}')
 export ABC_DRIVER_CELL                        = gf180mcu_fd_sc_mcu$(TRACK_OPTION)$(POWER_OPTION)__buf_4
 export ABC_LOAD_IN_FF                         = 0.01343
 
@@ -65,9 +65,6 @@ else
 export PLACE_SITE                             = GF018hv5v_mcu_sc7
 endif
 
-# IO Pin fix margin
-export IO_PIN_MARGIN                         ?= 25
-
 # IO Placer pin layers
 export IO_PLACER_H                           ?= Metal3
 export IO_PLACER_V                           ?= Metal4
@@ -89,21 +86,9 @@ export MACRO_PLACE_CHANNEL                   ?= 20.16 20.16
 export CELL_PAD_IN_SITES_GLOBAL_PLACEMENT    ?= 2
 export CELL_PAD_IN_SITES_DETAIL_PLACEMENT    ?= 1
 
-# resizer repair_long_wires -max_length
-export MAX_WIRE_LENGTH                        = 150
-
 # global placement density
 export PLACE_DENSITY                         ?= 0.40
 
-# adjustment parameter for placer and global router's routability-driven loop
-#
-# if routing resources are highly reduced in global router (e.g. higher value in below)
-# placer will bloat lots of cells in each RD iteration and cause unstableness.
-#
-# will be used in script/global_place.tcl
-export REPLACE_FASTROUTE_RESOURCE_ADJ_23      = 0.7
-export REPLACE_FASTROUTE_RESOURCE_ADJ_OTHER   = 0.4
-
 #--------------------------------------------------------
 # CTS
 #--------------------------------------------------------

flow/platforms/gf180/openROAD/pdn/pdn_grid_strategy_7t_6M.cfg

@@ -20,7 +20,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 ####################################
 define_pdn_grid -name {block} -voltage_domains {CORE} 
 add_pdn_stripe -grid {block} -layer {Metal1} -width {0.900} -pitch {3.92} -offset {0} -followpins
-add_pdn_stripe -grid {block} -layer {Metal4} -width {4.480} -spacing {0.56} -pitch {44.8} -offset {0.0}
-add_pdn_stripe -grid {block} -layer {Metal5} -width {4.480} -pitch {89.6} -offset {0.0}
+add_pdn_stripe -grid {block} -layer {Metal4} -width {4.480} -spacing {0.56} -pitch {44.8} -offset {22.4}
+add_pdn_stripe -grid {block} -layer {Metal5} -width {4.480} -pitch {89.6} -offset {44.8}
 add_pdn_connect -grid {block} -layers {Metal1 Metal4} -max_columns {5} -ongrid {Metal2 Metal3 Metal4} -split_cuts {Metal3 0.128}
 add_pdn_connect -grid {block} -layers {Metal4 Metal5}

flow/platforms/gf180/openROAD/pdn/pdn_grid_strategy_9t_6M.cfg

@@ -20,7 +20,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 ####################################
 define_pdn_grid -name {block} -voltage_domains {CORE} 
 add_pdn_stripe -grid {block} -layer {Metal1} -width {0.900} -pitch {5.040} -offset {0} -followpins
-add_pdn_stripe -grid {block} -layer {Metal4} -width {4.480} -spacing {0.56} -pitch {44.8} -offset {0.0}
-add_pdn_stripe -grid {block} -layer {Metal5} -width {4.480} -pitch {89.6} -offset {0.0}
+add_pdn_stripe -grid {block} -layer {Metal4} -width {4.480} -spacing {0.56} -pitch {44.8} -offset {22.4}
+add_pdn_stripe -grid {block} -layer {Metal5} -width {4.480} -pitch {89.6} -offset {44.8}
 add_pdn_connect -grid {block} -layers {Metal1 Metal4} -max_columns {5} -ongrid {Metal2 Metal3 Metal4} -split_cuts {Metal3 0.128}
 add_pdn_connect -grid {block} -layers {Metal4 Metal5}