Merge pull request The-OpenROAD-Project#3235 from The-OpenROAD-Project-staging/pdn-pins-layer

Add -pins to the various pdn setup to give more realistic IR-drop

Author: maliberty

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

@@ -15,7 +15,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 ####################################
 # standard cell grid
 ####################################
-define_pdn_grid -name {top} -voltage_domains {CORE}
+define_pdn_grid -name {top} -voltage_domains {CORE} -pins {M6}
 add_pdn_stripe -grid {top} -layer {M1} -width {0.018} -pitch {0.54} -offset {0} -followpins
 add_pdn_stripe -grid {top} -layer {M2} -width {0.018} -pitch {0.54} -offset {0} -followpins
 add_pdn_ring -grid {top} -layers {M5 M6} -widths {0.504 0.544} -spacings {0.096} \

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

@@ -18,7 +18,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 #   put stripe on M5 track
 # M4 M5 ring follow stripe width
 ####################################
-define_pdn_grid -name {top} -voltage_domains {CORE}
+define_pdn_grid -name {top} -voltage_domains {CORE} -pins {M5}
 
 add_pdn_ring -grid {top} -layers {M5 M4} -widths {0.12 0.12} -spacings {0.072} -core_offset {0.084}
 

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

@@ -14,7 +14,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 ####################################
 # standard cell grid
 ####################################
-define_pdn_grid -name {top} -voltage_domains {CORE}
+define_pdn_grid -name {top} -voltage_domains {CORE} -pins {M6}
 add_pdn_stripe -grid {top} -layer {M1} -width {0.018} -pitch {0.54} -offset {0} -followpins
 add_pdn_stripe -grid {top} -layer {M2} -width {0.018} -pitch {0.54} -offset {0} -followpins
 add_pdn_stripe -grid {top} -layer {M5} -width {0.12} -spacing {0.072} -pitch {5.4} -offset {0.300}

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

@@ -18,7 +18,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 ####################################
 # standard cell grid
 ####################################
-define_pdn_grid -name {block} -voltage_domains {CORE} 
+define_pdn_grid -name {block} -voltage_domains {CORE}  -pins {Metal5}
 add_pdn_stripe -grid {block} -layer {Metal1} -width {0.600} -pitch {3.92} -offset {0} -followpins
 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}

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

@@ -18,7 +18,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 ####################################
 # standard cell grid
 ####################################
-define_pdn_grid -name {block} -voltage_domains {CORE} 
+define_pdn_grid -name {block} -voltage_domains {CORE}  -pins {Metal5}
 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 {22.4}
 add_pdn_stripe -grid {block} -layer {Metal5} -width {4.480} -pitch {89.6} -offset {44.8}

flow/platforms/ihp-sg13g2/pdn.tcl

@@ -18,7 +18,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 #####################################
 # standard cell grid
 ####################################
-define_pdn_grid -name {grid} -voltage_domains {CORE}
+define_pdn_grid -name {grid} -voltage_domains {CORE} -pins {TopMetal1}
 add_pdn_ring -grid {grid} -layers {Metal5 TopMetal1} -widths {5.0} -spacings {2.0} \
   -core_offsets {4.5} -connect_to_pads
 add_pdn_stripe -grid {grid} -layer {Metal1} -width {0.44} -pitch {7.56} -offset {0} -followpins \

flow/platforms/nangate45/grid_strategy-M1-M4-M7.tcl

@@ -14,7 +14,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 ####################################
 # standard cell grid
 ####################################
-define_pdn_grid -name {grid} -voltage_domains {CORE}
+define_pdn_grid -name {grid} -voltage_domains {CORE} -pins {metal7}
 add_pdn_stripe -grid {grid} -layer {metal1} -width {0.17} -pitch {2.4} -offset {0} -followpins
 add_pdn_stripe -grid {grid} -layer {metal4} -width {0.48} -pitch {56.0} -offset {2}
 add_pdn_stripe -grid {grid} -layer {metal7} -width {1.40} -pitch {30.0} -offset {2}

flow/platforms/sky130hd/pdn.tcl

@@ -18,7 +18,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 ####################################
 # standard cell grid
 ####################################
-define_pdn_grid -name {grid} -voltage_domains {CORE}
+define_pdn_grid -name {grid} -voltage_domains {CORE} -pins {met5}
 add_pdn_stripe -grid {grid} -layer {met1} -width {0.48} -pitch {5.44} -offset {0} -followpins
 add_pdn_stripe -grid {grid} -layer {met4} -width {1.600} -pitch {27.140} -offset {13.570}
 add_pdn_stripe -grid {grid} -layer {met5} -width {1.600} -pitch {27.200} -offset {13.600}

flow/platforms/sky130hs/pdn.tcl

@@ -18,7 +18,7 @@ set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
 ####################################
 # standard cell grid
 ####################################
-define_pdn_grid -name {grid} -voltage_domains {CORE}
+define_pdn_grid -name {grid} -voltage_domains {CORE} -pins {met5}
 add_pdn_stripe -grid {grid} -layer {met1} -width {0.48} -pitch {6.66} -offset {0} -followpins
 add_pdn_stripe -grid {grid} -layer {met4} -width {1.600} -pitch {27.140} -offset {13.570}
 add_pdn_stripe -grid {grid} -layer {met5} -width {1.600} -pitch {27.200} -offset {13.600}