6b13f685e
 김민수
BSP 최초 추가
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#
# Copyright (c) 2011 The Chromium OS Authors.
#
# SPDX-License-Identifier: GPL-2.0+
#
# This Makefile builds the internal U-Boot fdt if CONFIG_OF_CONTROL is
# enabled. See doc/README.fdt-control for more details.
DEVICE_TREE ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%)
ifeq ($(DEVICE_TREE),)
DEVICE_TREE := unset
endif
ifneq ($(EXT_DTB),)
DTB := $(EXT_DTB)
else
DTB := arch/$(ARCH)/dts/$(DEVICE_TREE).dtb
endif
$(obj)/dt.dtb: $(DTB) FORCE
$(call if_changed,shipped)
targets += dt.dtb
$(DTB): arch-dtbs
$(Q)test -e $@ || ( \
echo >&2; \
echo >&2 "Device Tree Source is not correctly specified."; \
echo >&2 "Please define 'CONFIG_DEFAULT_DEVICE_TREE'"; \
echo >&2 "or build with 'DEVICE_TREE=<device_tree>' argument"; \
echo >&2; \
/bin/false)
arch-dtbs:
$(Q)$(MAKE) $(build)=arch/$(ARCH)/dts dtbs
.SECONDARY: $(obj)/dt.dtb.S
obj-$(CONFIG_OF_EMBED) := dt.dtb.o
dtbs: $(obj)/dt.dtb
@:
clean-files := dt.dtb.S
# Let clean descend into dts directories
subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/sandbox/dts ../arch/x86/dts
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