mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
27cb7300ff
Enables custom DTS files, or those not associated with a specific target, to be compiled into a boot image. Signed-off-by: James Balean <james@balean.com.au> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Simon Glass <sjg@chromium.org>
56 lines
1.2 KiB
Makefile
56 lines
1.2 KiB
Makefile
#
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# Copyright (c) 2011 The Chromium OS Authors.
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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# This Makefile builds the internal U-Boot fdt if CONFIG_OF_CONTROL is
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# enabled. See doc/README.fdt-control for more details.
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DEVICE_TREE ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%)
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ifeq ($(DEVICE_TREE),)
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DEVICE_TREE := unset
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endif
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ARCH_PATH := arch/$(ARCH)/dts
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dtb_depends := arch-dtbs
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ifneq ($(EXT_DTB),)
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DTB := $(EXT_DTB)
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else
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DTB := $(ARCH_PATH)/$(DEVICE_TREE).dtb
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dtb_depends += $(DTB:.dtb=.dts)
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endif
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$(obj)/dt.dtb: $(DTB) FORCE
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$(call if_changed,shipped)
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targets += dt.dtb
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$(DTB): $(dtb_depends)
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ifeq ($(EXT_DTB),)
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$(Q)$(MAKE) $(build)=$(ARCH_PATH) $@
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endif
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$(Q)test -e $@ || ( \
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echo >&2; \
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echo >&2 "Device Tree Source is not correctly specified."; \
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echo >&2 "Please define 'CONFIG_DEFAULT_DEVICE_TREE'"; \
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echo >&2 "or build with 'DEVICE_TREE=<device_tree>' argument"; \
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echo >&2; \
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/bin/false)
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arch-dtbs:
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$(Q)$(MAKE) $(build)=$(ARCH_PATH) dtbs
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.SECONDARY: $(obj)/dt.dtb.S
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obj-$(CONFIG_OF_EMBED) := dt.dtb.o
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dtbs: $(obj)/dt.dtb
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@:
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clean-files := dt.dtb.S
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# Let clean descend into dts directories
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subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/mips/dts ../arch/sandbox/dts ../arch/x86/dts
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