Merge branch 'tx53-bugfix'
[karo-tx-uboot.git] / dts / Makefile
1 #
2 # Copyright (c) 2011 The Chromium OS Authors.
3 #
4 # SPDX-License-Identifier:      GPL-2.0+
5 #
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
10 DEVICE_TREE ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%)
11 ifeq ($(DEVICE_TREE),)
12 DEVICE_TREE := unset
13 endif
14
15 ifneq ($(EXT_DTB),)
16 DTB := $(EXT_DTB)
17 else
18 DTB := arch/$(ARCH)/dts/$(DEVICE_TREE).dtb
19 endif
20
21 $(obj)/dt.dtb: $(DTB) FORCE
22         $(call if_changed,shipped)
23
24 targets += dt.dtb
25
26 $(DTB): arch-dtbs
27         $(Q)test -e $@ || (                                             \
28         echo >&2;                                                       \
29         echo >&2 "Device Tree Source is not correctly specified.";      \
30         echo >&2 "Please define 'CONFIG_DEFAULT_DEVICE_TREE'";          \
31         echo >&2 "or build with 'DEVICE_TREE=<device_tree>' argument";  \
32         echo >&2;                                                       \
33         /bin/false)
34
35 arch-dtbs:
36         $(Q)$(MAKE) $(build)=arch/$(ARCH)/dts dtbs
37
38 .SECONDARY: $(obj)/dt.dtb.S
39
40 obj-$(CONFIG_OF_EMBED) := dt.dtb.o
41
42 dtbs: $(obj)/dt.dtb
43         @:
44
45 clean-files := dt.dtb.S
46
47 # Let clean descend into dts directories
48 subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/sandbox/dts ../arch/x86/dts