PDN_CFG --> PDN_TCL

Signed-off-by: vijayank88 <[email protected]>

Author: vijayank88

flow/Makefile

@@ -471,7 +471,7 @@ $(RESULTS_DIR)/2_5_floorplan_tapcell.odb: $(RESULTS_DIR)/2_4_floorplan_macro.odb
 
 # STEP 6: PDN generation
 #-------------------------------------------------------------------------------
-$(RESULTS_DIR)/2_6_floorplan_pdn.odb: $(RESULTS_DIR)/2_5_floorplan_tapcell.odb $(PDN_CFG) $(PDN_TCL)
+$(RESULTS_DIR)/2_6_floorplan_pdn.odb: $(RESULTS_DIR)/2_5_floorplan_tapcell.odb $(PDN_TCL)
 	($(TIME_CMD) $(OPENROAD_CMD) $(SCRIPTS_DIR)/pdn.tcl -metrics $(LOG_DIR)/2_6_pdn.json) 2>&1 | tee $(LOG_DIR)/2_6_pdn.log
 
 $(RESULTS_DIR)/2_floorplan.odb: $(RESULTS_DIR)/2_6_floorplan_pdn.odb

flow/designs/sky130hd/chameleon_hier/BLOCKS_pdn.tcl

@@ -0,0 +1,24 @@
+####################################
+# global connections
+####################################
+add_global_connection -net {VDD} -inst_pattern {.*} -pin_pattern {^VDD$} -power
+add_global_connection -net {VDD} -inst_pattern {.*} -pin_pattern {^VDDPE$}
+add_global_connection -net {VDD} -inst_pattern {.*} -pin_pattern {^VDDCE$}
+add_global_connection -net {VDD} -inst_pattern {.*} -pin_pattern {VPWR}
+add_global_connection -net {VDD} -inst_pattern {.*} -pin_pattern {VPB}
+add_global_connection -net {VSS} -inst_pattern {.*} -pin_pattern {^VSS$} -ground
+add_global_connection -net {VSS} -inst_pattern {.*} -pin_pattern {^VSSE$}
+add_global_connection -net {VSS} -inst_pattern {.*} -pin_pattern {VGND}
+add_global_connection -net {VSS} -inst_pattern {.*} -pin_pattern {VNB}
+global_connect
+####################################
+# voltage domains
+####################################
+set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
+####################################
+# standard cell grid
+####################################
+define_pdn_grid -name {grid} -voltage_domains {CORE}
+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_connect -grid {grid} -layers {met1 met4}

flow/designs/sky130hd/chameleon_hier/DFFRAM_4K/config.mk

@@ -13,7 +13,7 @@ export VERILOG_FILES = \
 
 export SDC_FILE          = ${TOP_DIR}/${DESIGN_NAME}/constraint.sdc
 
-export PDN_CFG = ${TOP_DIR}/${DESIGN_NAME}/pdn.cfg
+export PDN_TCL = ${TOP_DIR}/BLOCKS_pdn.tcl
 
 export ABC_DRIVER_CELL = sky130_fd_sc_hd__buf_1
 export ABC_LOAD_IN_FF = 3

flow/designs/sky130hd/chameleon_hier/DFFRAM_4K/pdn.cfg

@@ -13,7 +13,7 @@ export VERILOG_FILES = \
 
 export SDC_FILE = ${TOP_DIR}/${DESIGN_NAME}/constraint.sdc
 
-export PDN_CFG = ${TOP_DIR}/${DESIGN_NAME}/pdn.cfg
+export PDN_TCL = ${TOP_DIR}/BLOCKS_pdn.tcl
 
 export ABC_DRIVER_CELL = sky130_fd_sc_hd__buf_1
 export ABC_LOAD_IN_FF = 3

flow/designs/sky130hd/chameleon_hier/DMC_32x16HC/config.mk

@@ -13,7 +13,7 @@ export VERILOG_FILES = \
 
 export SDC_FILE = ${TOP_DIR}/${DESIGN_NAME}/constraint.sdc
 
-export PDN_CFG = ${TOP_DIR}/${DESIGN_NAME}/pdn.cfg
+export PDN_TCL = ${TOP_DIR}/BLOCKS_pdn.tcl
 
 export ABC_DRIVER_CELL = sky130_fd_sc_hd__buf_1
 export ABC_LOAD_IN_FF = 3

flow/designs/sky130hd/chameleon_hier/DMC_32x16HC/pdn.cfg

@@ -43,18 +43,13 @@ export VERILOG_FILES = \
 export HAS_IO_CONSTRAINTS = 1
 export ENABLE_DPO = 0
 export MACRO_PLACE_CHANNEL  = 160 160
-export MACRO_PLACE_HALO = 160 160
+export MACRO_PLACE_HALO = 120 120
 export DIE_AREA    = 0.0 0.0 6800 6800
 export CORE_AREA   = 200 200 6600 6600
 export SDC_FILE          = ./designs/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.sdc
 
-export PDN_CFG = ./designs/$(PLATFORM)/$(DESIGN_NICKNAME)/pdn.cfg
-
 export FP_PDN_RAIL_WIDTH = 0.48
 export FP_PDN_RAIL_OFFSET = 0
 
 export MIN_ROUTING_LAYER = met1
 export MAX_ROUTING_LAYER = met5
-
-export PWR_NETS_VOLTAGES  = ""
-export GND_NETS_VOLTAGES  = ""

flow/designs/sky130hd/chameleon_hier/apb_sys_0/config.mk

@@ -35,7 +35,7 @@ export VERILOG_FILES = \
 
 export SDC_FILE          = ${TOP_DIR}/${DESIGN_NAME}/constraint.sdc
 
-export PDN_CFG = ${TOP_DIR}/${DESIGN_NAME}/pdn.cfg
+export PDN_TCL = ${TOP_DIR}/BLOCKS_pdn.tcl
 
 export ABC_DRIVER_CELL = sky130_fd_sc_hd__buf_1
 export ABC_LOAD_IN_FF = 3