projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| bbb0b128 SG |
1 | # |
| 2 | # Copyright (c) 2011 The Chromium OS Authors. | |
| 3 | # | |
| 1a459660 | 4 | # SPDX-License-Identifier: GPL-2.0+ |
| bbb0b128 SG |
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 | ||
| 6ab6b2af MY |
10 | DEVICE_TREE ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%) |
| 11 | ifeq ($(DEVICE_TREE),) | |
| 3284c8b8 | 12 | DEVICE_TREE := unset |
| 6ab6b2af | 13 | endif |
| c8391a0e | 14 | |
| d18926af SG |
15 | ifneq ($(EXT_DTB),) |
| 16 | DTB := $(EXT_DTB) | |
| 63b4b5ba | 17 | else |
| 3284c8b8 | 18 | DTB := arch/$(ARCH)/dts/$(DEVICE_TREE).dtb |
| 63b4b5ba | 19 | endif |
| c8391a0e | 20 | |
| 3284c8b8 | 21 | $(obj)/dt.dtb: $(DTB) FORCE |
| b9d1dbd4 | 22 | $(call if_changed,shipped) |
| bbb0b128 | 23 | |
| 6ab6b2af | 24 | targets += dt.dtb |
| bbb0b128 | 25 | |
| 3284c8b8 MY |
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 | |
| bbb0b128 | 37 | |
| 6ab6b2af | 38 | .SECONDARY: $(obj)/dt.dtb.S |
| bbb0b128 | 39 | |
| 6ab6b2af | 40 | obj-$(CONFIG_OF_EMBED) := dt.dtb.o |
| bbb0b128 | 41 | |
| 6ab6b2af MY |
42 | dtbs: $(obj)/dt.dtb |
| 43 | @: | |
| bbb0b128 | 44 | |
| 6ab6b2af | 45 | clean-files := dt.dtb.S |
| 3284c8b8 MY |
46 | |
| 47 | # Let clean descend into dts directories | |
| 6bd04bb4 | 48 | subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/sandbox/dts ../arch/x86/dts |