mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-05 20:54:31 +00:00
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>
55 lines
1.2 KiB
Makefile
55 lines
1.2 KiB
Makefile
#
|
|
# 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
|
|
|
|
ARCH_PATH := arch/$(ARCH)/dts
|
|
dtb_depends := arch-dtbs
|
|
|
|
ifneq ($(EXT_DTB),)
|
|
DTB := $(EXT_DTB)
|
|
else
|
|
DTB := $(ARCH_PATH)/$(DEVICE_TREE).dtb
|
|
dtb_depends += $(DTB:.dtb=.dts)
|
|
endif
|
|
|
|
$(obj)/dt.dtb: $(DTB) FORCE
|
|
$(call if_changed,shipped)
|
|
|
|
targets += dt.dtb
|
|
|
|
$(DTB): $(dtb_depends)
|
|
ifeq ($(EXT_DTB),)
|
|
$(Q)$(MAKE) $(build)=$(ARCH_PATH) $@
|
|
endif
|
|
$(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_PATH) 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/mips/dts ../arch/sandbox/dts ../arch/x86/dts
|