asap7: set a 2um pdn halo on the macros

This prevents stripes being placed right in from of macro pins.

Signed-off-by: Matt Liberty <[email protected]>

Author: maliberty

flow/platforms/asap7/openRoad/pdn/BLOCKS_grid_strategy.tcl

@@ -30,6 +30,6 @@ add_pdn_connect -grid {top} -layers {M5 M6}
 # Element grid
 ####################################
 # The halo around the macro prevents pdn from blocking pin access
-define_pdn_grid -macro -cells $::env(MACROS) -halo "0.25 0.25 0.25 0.25" -voltage_domains {CORE} -name ElementGrid
+define_pdn_grid -macro -cells $::env(MACROS) -halo "2.0 2.0 2.0 2.0" -voltage_domains {CORE} -name ElementGrid
 
 add_pdn_connect -grid {ElementGrid} -layers {M5 M6}

flow/platforms/asap7/openRoad/pdn/grid_strategy-M1-M2-M5-M6.tcl

@@ -28,10 +28,10 @@ add_pdn_connect -grid {top} -layers {M5 M6}
 ####################################
 # grid for: CORE_macro_grid_1
 ####################################
-define_pdn_grid -name {CORE_macro_grid_1} -voltage_domains {CORE} -macro -orient {R0 R180 MX MY} -cells {.*}
+define_pdn_grid -name {CORE_macro_grid_1} -voltage_domains {CORE} -macro -orient {R0 R180 MX MY} -halo {2.0 2.0 2.0 2.0} -cells {.*}
 add_pdn_connect -grid {CORE_macro_grid_1} -layers {M4 M5}
 ####################################
 # grid for: CORE_macro_grid_2
 ####################################
-define_pdn_grid -name {CORE_macro_grid_2} -voltage_domains {CORE} -macro -orient {R90 R270 MXR90 MYR90} -cells {.*}
+define_pdn_grid -name {CORE_macro_grid_2} -voltage_domains {CORE} -macro -orient {R90 R270 MXR90 MYR90} -halo {2.0 2.0 2.0 2.0} -cells {.*}
 add_pdn_connect -grid {CORE_macro_grid_2} -layers {M4 M5}