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# SPDX-License-Identifier: GPL-2.0
#
# kbuild file for firmware/
#
firmware-$(CONFIG_FIRMWARE_IMX_LPDDR4_PMU_TRAIN) += \
lpddr4_pmu_train_1d_dmem.bin \
lpddr4_pmu_train_1d_imem.bin \
lpddr4_pmu_train_2d_dmem.bin \
lpddr4_pmu_train_2d_imem.bin
firmware-$(CONFIG_FIRMWARE_IMX8MM_ATF) += imx8mm-bl31.bin
firmware-$(CONFIG_FIRMWARE_IMX8MP_ATF) += imx8mp-bl31.bin
firmware-$(CONFIG_FIRMWARE_IMX8MQ_ATF) += imx8mq-bl31.bin
firmware-$(CONFIG_DRIVER_NET_FSL_FMAN) += fsl_fman_ucode_ls1046_r1.0_106_4_18.bin
firmware-$(CONFIG_ARCH_LAYERSCAPE_PPA) += ppa-ls1046a.bin
# Create $(fwabs) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a
# leading /, it's relative to $(srctree).
fwdir := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE_DIR))
fwabs := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir))
fw-external-y := $(firmware-y)
quiet_cmd_fwbin = MK_FW $@
cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)"; \
FWSTR="$(subst /,_,$(subst .,_,$(subst -,_,$(patsubst \
firmware/%.gen.S,%,$@))))"; \
ASM_WORD=$(if $(CONFIG_64BIT),.quad,.long); \
ASM_ALIGN=$(if $(CONFIG_64BIT),3,2); \
PROGBITS=$(if $(CONFIG_ARM),%,@)progbits; \
echo "/* Generated by firmware/Makefile */" > $@;\
echo " .section .rodata.$${FWSTR}" >>$@;\
echo " .p2align $${ASM_ALIGN}" >>$@;\
echo ".global _fw_$${FWSTR}_start" >>$@;\
echo "_fw_$${FWSTR}_start:" >>$@;\
echo " .incbin \"$(2)\"" >>$@;\
echo ".global _fw_$${FWSTR}_end" >>$@;\
echo "_fw_$${FWSTR}_end:" >>$@;
# One of these files will change, or come into existence, whenever
# the configuration changes between 32-bit and 64-bit. The .S files
# need to change when that happens.
wordsize_deps := $(wildcard include/config/64bit.h include/config/32bit.h)
$(patsubst %,$(obj)/%.gen.S, $(fw-external-y)): %: $(wordsize_deps) \
include/config/extra/firmware/dir.h
$(call cmd,fwbin,$(fwabs)/$(patsubst $(obj)/%.gen.S,%,$@))
# The .o files depend on the binaries directly; the .S files don't.
$(patsubst %,$(obj)/%.gen.o, $(fw-external-y)): $(obj)/%.gen.o: $(fwdir)/%
# The same for pbl:
$(patsubst %,$(obj)/pbl-%.gen.o, $(fw-external-y)): $(obj)/pbl-%.gen.o: $(fwdir)/%
obj-pbl-y += $(patsubst %,%.gen.o, $(fw-external-y))
ifndef building_out_of_srctree
# Makefile.build only creates subdirectories for O= builds, but external
# firmware might live outside the kernel source tree
_dummy := $(foreach d,$(addprefix $(obj)/,$(dir $(fw-external-y))), $(shell [ -d $(d) ] || mkdir -p $(d)))
endif
targets := $(patsubst $(obj)/%,%, \
$(shell find $(obj) -name \*.gen.S 2>/dev/null))
# just to build a built-in.o. Otherwise compilation fails when no
# firmware is built.
obj- += dummy.o
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