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flow: platforms: {gf180,sky130}: allow PDK path overrides via weak assignment #4146

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Merged
maliberty merged 2 commits into from
Apr 14, 2026
+25 −25
Merged

flow: platforms: {gf180,sky130}: allow PDK path overrides via weak assignment #4146

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f2e7fcf
flow: platforms: gf180: allow PDK path overrides via weak assignment
dnltz Apr 14, 2026
f9ebc9a
flow: platforms: sky130: allow PDK path overrides via weak assignment
dnltz Apr 14, 2026
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24 changes: 12 additions & 12 deletions flow/platforms/gf180/config.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -13,12 +13,12 @@ export PROCESS = 180
#----------------------------------------------------
# OpenROAD
#----------------------------------------------------
export TECH_LEF = $(PLATFORM_DIR)/lef/gf180mcu_$(METAL_OPTION)_$(KVALUE)K_$(TRACK_OPTION)_tech.lef
export TECH_LEF ?= $(PLATFORM_DIR)/lef/gf180mcu_$(METAL_OPTION)_$(KVALUE)K_$(TRACK_OPTION)_tech.lef

export SC_LEF ?= $(PLATFORM_DIR)/lef/gf180mcu_$(METAL_OPTION)_$(KVALUE)K_$(TRACK_OPTION)_sc.lef

export GDS_FILES = $(wildcard $(PLATFORM_DIR)/gds/$(TRACK_OPTION)/*.gds) \
$(ADDITIONAL_GDS)
export GDS_FILES ?= $(wildcard $(PLATFORM_DIR)/gds/$(TRACK_OPTION)/*.gds)
export GDS_FILES += $(ADDITIONAL_GDS)

# Dont use cells
export DONT_USE_CELLS = *_1
Expand Down Expand Up @@ -118,17 +118,17 @@ export RCX_RC_CORNER = $($(CORNER)_RCX_RC_CORNER)
#----------------------------------------------------------------------------------------------------
# standard cell section
#----------------------------------------------------------------------------------------------------
export BC_LIB_FILES = $(abspath $(PLATFORM_DIR)/lib/gf180mcu_fd_sc_mcu$(TRACK_OPTION)$(POWER_OPTION)__ff_n40C_5v50.lib.gz)
export BC_TEMPERATURE = -40c
export BC_VOLTAGE = 5.5
export BC_LIB_FILES ?= $(abspath $(PLATFORM_DIR)/lib/gf180mcu_fd_sc_mcu$(TRACK_OPTION)$(POWER_OPTION)__ff_n40C_5v50.lib.gz)
export BC_TEMPERATURE ?= -40c
export BC_VOLTAGE ?= 5.5

export WC_LIB_FILES = $(abspath $(PLATFORM_DIR)/lib/gf180mcu_fd_sc_mcu$(TRACK_OPTION)$(POWER_OPTION)__ss_125C_4v50.lib.gz)
export WC_TEMPERATURE = 125c
export WC_VOLTAGE = 4.5
export WC_LIB_FILES ?= $(abspath $(PLATFORM_DIR)/lib/gf180mcu_fd_sc_mcu$(TRACK_OPTION)$(POWER_OPTION)__ss_125C_4v50.lib.gz)
export WC_TEMPERATURE ?= 125c
export WC_VOLTAGE ?= 4.5

export TC_LIB_FILES = $(abspath $(PLATFORM_DIR)/lib/gf180mcu_fd_sc_mcu$(TRACK_OPTION)$(POWER_OPTION)__tt_025C_5v00.lib.gz)
export TC_TEMPERATURE = 25c
export TC_VOLTAGE = 5.0
export TC_LIB_FILES ?= $(abspath $(PLATFORM_DIR)/lib/gf180mcu_fd_sc_mcu$(TRACK_OPTION)$(POWER_OPTION)__tt_025C_5v00.lib.gz)
export TC_TEMPERATURE ?= 25c
export TC_VOLTAGE ?= 5.0

# ----------------------------------------------------------------------------------------------------
# now, set files from user setting CORNER
Expand Down
12 changes: 6 additions & 6 deletions flow/platforms/sky130hd/config.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,13 @@ export PROCESS = 130
#-----------------------------------------------------
# Tech/Libs
# ----------------------------------------------------
export TECH_LEF = $(PLATFORM_DIR)/lef/sky130_fd_sc_hd.tlef
export SC_LEF = $(PLATFORM_DIR)/lef/sky130_fd_sc_hd_merged.lef
export TECH_LEF ?= $(PLATFORM_DIR)/lef/sky130_fd_sc_hd.tlef
export SC_LEF ?= $(PLATFORM_DIR)/lef/sky130_fd_sc_hd_merged.lef

export LIB_FILES = $(PLATFORM_DIR)/lib/sky130_fd_sc_hd__tt_025C_1v80.lib \
$(ADDITIONAL_LIBS)
export GDS_FILES = $(wildcard $(PLATFORM_DIR)/gds/*.gds) \
$(ADDITIONAL_GDS)
export LIB_FILES ?= $(PLATFORM_DIR)/lib/sky130_fd_sc_hd__tt_025C_1v80.lib
export LIB_FILES += $(ADDITIONAL_LIBS)
export GDS_FILES ?= $(wildcard $(PLATFORM_DIR)/gds/*.gds)
export GDS_FILES += $(ADDITIONAL_GDS)

# Dont use cells to ease congestion
# Specify at least one filler cell if none
Expand Down
14 changes: 7 additions & 7 deletions flow/platforms/sky130hs/config.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,13 @@ export PROCESS = 130
#-----------------------------------------------------
# Tech/Libs
# ----------------------------------------------------
export TECH_LEF = $(PLATFORM_DIR)/lef/sky130_fd_sc_hs.tlef
export SC_LEF = $(PLATFORM_DIR)/lef/sky130_fd_sc_hs_merged.lef
export TECH_LEF ?= $(PLATFORM_DIR)/lef/sky130_fd_sc_hs.tlef
export SC_LEF ?= $(PLATFORM_DIR)/lef/sky130_fd_sc_hs_merged.lef

export LIB_FILES = $(PLATFORM_DIR)/lib/sky130_fd_sc_hs__tt_025C_1v80.lib \
$(ADDITIONAL_LIBS)
export GDS_FILES = $(wildcard $(PLATFORM_DIR)/gds/*.gds) \
$(ADDITIONAL_GDS)
export LIB_FILES ?= $(PLATFORM_DIR)/lib/sky130_fd_sc_hs__tt_025C_1v80.lib
export LIB_FILES += $(ADDITIONAL_LIBS)
export GDS_FILES ?= $(wildcard $(PLATFORM_DIR)/gds/*.gds)
export GDS_FILES += $(ADDITIONAL_GDS)

# Dont use cells to ease congestion
# Specify at least one filler cell if none
Expand Down Expand Up @@ -105,4 +105,4 @@ export RCX_RULES = $(PLATFORM_DIR)/rcx_patterns.rules
export PWR_NETS_VOLTAGES ?= VDD 1.8
export GND_NETS_VOLTAGES ?= VSS 0.0
export IR_DROP_LAYER ?= met1
export REMOVE_CELLS_FOR_LEC = sky130_fd_sc_hs__tapvpwrvgnd*
export REMOVE_CELLS_FOR_LEC = sky130_fd_sc_hs__tapvpwrvgnd*