blob: c47fba787ccb593f11260b33d4c77b7bb135148c [file] [log] [blame]
Simon Glass38d6b8d2011-10-15 05:48:21 +00001#
2# Copyright (c) 2011 The Chromium OS Authors.
3#
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02004# SPDX-License-Identifier: GPL-2.0+
Simon Glass38d6b8d2011-10-15 05:48:21 +00005#
6
7# This Makefile builds the internal U-Boot fdt if CONFIG_OF_CONTROL is
8# enabled. See doc/README.fdt-control for more details.
9
Masahiro Yamada43c08932014-02-05 11:28:25 +090010DEVICE_TREE ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%)
11ifeq ($(DEVICE_TREE),)
12DEVICE_TREE := notfound
13endif
Stephen Warrenc198ef72013-07-24 10:09:19 -070014
Masahiro Yamada43c08932014-02-05 11:28:25 +090015DTS := $(srctree)/board/$(VENDOR)/dts/$(DEVICE_TREE).dts
Stephen Warrenc198ef72013-07-24 10:09:19 -070016
Masahiro Yamada43c08932014-02-05 11:28:25 +090017DTC_FLAGS += -i $(srctree)/arch/$(ARCH)/dts -R 4 -p 0x1000
Simon Glass38d6b8d2011-10-15 05:48:21 +000018
Masahiro Yamada43c08932014-02-05 11:28:25 +090019$(obj)/dt.dtb: $(DTS) FORCE
20 $(call if_changed_dep,dtc)
Simon Glass38d6b8d2011-10-15 05:48:21 +000021
Masahiro Yamada43c08932014-02-05 11:28:25 +090022targets += dt.dtb
Simon Glass38d6b8d2011-10-15 05:48:21 +000023
Masahiro Yamada43c08932014-02-05 11:28:25 +090024$(DTS):
25 @echo >&2
26 @echo >&2 "Device Tree Source is not specified."
27 @echo >&2 "Please define 'CONFIG_DEFAULT_DEVICE_TREE'"
28 @echo >&2 "or build with 'DEVICE_TREE=<dts-file-name>' argument"
29 @/bin/false
Simon Glass38d6b8d2011-10-15 05:48:21 +000030
Masahiro Yamada43c08932014-02-05 11:28:25 +090031.SECONDARY: $(obj)/dt.dtb.S
Simon Glass38d6b8d2011-10-15 05:48:21 +000032
Masahiro Yamada43c08932014-02-05 11:28:25 +090033obj-$(CONFIG_OF_EMBED) := dt.dtb.o
Simon Glass38d6b8d2011-10-15 05:48:21 +000034
Masahiro Yamada43c08932014-02-05 11:28:25 +090035dtbs: $(obj)/dt.dtb
36 @:
Simon Glass38d6b8d2011-10-15 05:48:21 +000037
Masahiro Yamada43c08932014-02-05 11:28:25 +090038clean-files := dt.dtb.S