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CC?=$(CROSS_COMPILE)gcc
DTC_OPTIONS?=-@
DTC_OPTIONS += -Wno-unit_address_vs_reg -Wno-graph_child_address -Wno-pwms_property
KERNEL_DIR?=../linux
KERNEL_BUILD_DIR?=$(KERNEL_DIR)
# Need a dtc new enough to handle the DTC options.
DTC?=/usr/bin/dtc
MTCDT_DTBO_OBJECTS:= $(patsubst %.dtso,%.dtbo,$(wildcard mtcdt/*.dtso))
MTRV1_DTBO_OBJECTS:= $(patsubst %.dtso,%.dtbo,$(wildcard mtrv1/*.dtso))
%.pre.dtso: %.dtso
$(CC) -E -nostdinc -I$(KERNEL_DIR)/include -I$(KERNEL_DIR)/arch/arm/boot/dts -x assembler-with-cpp -undef -o $@ $^
%.dtbo: %.pre.dtso
$(DTC) $(DTC_OPTIONS) -I dts -O dtb -o $@ $^
%.itb: %.its %_dtbos
mkimage -D "-i$(KERNEL_BUILD_DIR)/arch/arm/boot/ -i$(KERNEL_BUILD_DIR)/arch/arm/boot/dts -p 1000 $(DTC_OPTIONS)" -f $< $@
mtcdt_dtbos: $(MTCDT_DTBO_OBJECTS)
mtrv1_dtbos: $(MTRV1_DTBO_OBJECTS)
.PHONY: clean
clean:
rm -f */*.dtbo *.itb
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