1bbb0b128SSimon Glass# 2bbb0b128SSimon Glass# Copyright (c) 2011 The Chromium OS Authors. 3bbb0b128SSimon Glass# 41a459660SWolfgang Denk# SPDX-License-Identifier: GPL-2.0+ 5bbb0b128SSimon Glass# 6bbb0b128SSimon Glass 7bbb0b128SSimon Glass# This Makefile builds the internal U-Boot fdt if CONFIG_OF_CONTROL is 8bbb0b128SSimon Glass# enabled. See doc/README.fdt-control for more details. 9bbb0b128SSimon Glass 10efcf8619SMasahiro YamadaDEVICE_TREE ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%) 11efcf8619SMasahiro Yamadaifeq ($(DEVICE_TREE),) 123284c8b8SMasahiro YamadaDEVICE_TREE := unset 13efcf8619SMasahiro Yamadaendif 14bbb0b128SSimon Glass 153284c8b8SMasahiro YamadaDTB := arch/$(ARCH)/dts/$(DEVICE_TREE).dtb 16bbb0b128SSimon Glass 173284c8b8SMasahiro Yamada$(obj)/dt.dtb: $(DTB) FORCE 18*b9d1dbd4SMasahiro Yamada $(call if_changed,shipped) 19bbb0b128SSimon Glass 206ab6b2afSMasahiro Yamadatargets += dt.dtb 21bbb0b128SSimon Glass 223284c8b8SMasahiro Yamada$(DTB): arch-dtbs 233284c8b8SMasahiro Yamada $(Q)test -e $@ || ( \ 243284c8b8SMasahiro Yamada echo >&2; \ 253284c8b8SMasahiro Yamada echo >&2 "Device Tree Source is not correctly specified."; \ 263284c8b8SMasahiro Yamada echo >&2 "Please define 'CONFIG_DEFAULT_DEVICE_TREE'"; \ 273284c8b8SMasahiro Yamada echo >&2 "or build with 'DEVICE_TREE=<device_tree>' argument"; \ 283284c8b8SMasahiro Yamada echo >&2; \ 293284c8b8SMasahiro Yamada /bin/false) 303284c8b8SMasahiro Yamada 313284c8b8SMasahiro Yamadaarch-dtbs: 323284c8b8SMasahiro Yamada $(Q)$(MAKE) $(build)=arch/$(ARCH)/dts dtbs 336ab6b2afSMasahiro Yamada 346ab6b2afSMasahiro Yamada.SECONDARY: $(obj)/dt.dtb.S 356ab6b2afSMasahiro Yamada 366ab6b2afSMasahiro Yamadaobj-$(CONFIG_OF_EMBED) := dt.dtb.o 376ab6b2afSMasahiro Yamada 386ab6b2afSMasahiro Yamadadtbs: $(obj)/dt.dtb 396ab6b2afSMasahiro Yamada @: 406ab6b2afSMasahiro Yamada 416ab6b2afSMasahiro Yamadaclean-files := dt.dtb.S 423284c8b8SMasahiro Yamada 433284c8b8SMasahiro Yamada# Let clean descend into dts directories 446bd04bb4SMasahiro Yamadasubdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/sandbox/dts ../arch/x86/dts 45