| Simon Glass | bbb0b12 | 2011-10-15 05:48:21 +0000 | [diff] [blame] | 1 | # |
| 2 | # Copyright (c) 2011 The Chromium OS Authors. |
| 3 | # |
| Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 4 | # SPDX-License-Identifier: GPL-2.0+ |
| Simon Glass | bbb0b12 | 2011-10-15 05:48:21 +0000 | [diff] [blame] | 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 | |
| Masahiro Yamada | efcf861 | 2014-02-04 17:24:40 +0900 | [diff] [blame] | 10 | DEVICE_TREE ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%) |
| 11 | ifeq ($(DEVICE_TREE),) |
| Masahiro Yamada | 3284c8b | 2014-02-05 11:28:27 +0900 | [diff] [blame] | 12 | DEVICE_TREE := unset |
| Masahiro Yamada | efcf861 | 2014-02-04 17:24:40 +0900 | [diff] [blame] | 13 | endif |
| Simon Glass | bbb0b12 | 2011-10-15 05:48:21 +0000 | [diff] [blame] | 14 | |
| James Balean | 27cb730 | 2017-03-15 23:11:31 -0500 | [diff] [blame] | 15 | ARCH_PATH := arch/$(ARCH)/dts |
| 16 | dtb_depends := arch-dtbs |
| 17 | |
| Simon Glass | d18926a | 2014-06-12 07:24:43 -0600 | [diff] [blame] | 18 | ifneq ($(EXT_DTB),) |
| 19 | DTB := $(EXT_DTB) |
| Simon Glass | 63b4b5b | 2014-06-02 22:04:50 -0600 | [diff] [blame] | 20 | else |
| James Balean | 27cb730 | 2017-03-15 23:11:31 -0500 | [diff] [blame] | 21 | DTB := $(ARCH_PATH)/$(DEVICE_TREE).dtb |
| 22 | dtb_depends += $(DTB:.dtb=.dts) |
| Simon Glass | 63b4b5b | 2014-06-02 22:04:50 -0600 | [diff] [blame] | 23 | endif |
| Simon Glass | bbb0b12 | 2011-10-15 05:48:21 +0000 | [diff] [blame] | 24 | |
| Masahiro Yamada | 3284c8b | 2014-02-05 11:28:27 +0900 | [diff] [blame] | 25 | $(obj)/dt.dtb: $(DTB) FORCE |
| Masahiro Yamada | b9d1dbd | 2014-06-04 10:11:18 +0900 | [diff] [blame] | 26 | $(call if_changed,shipped) |
| Simon Glass | bbb0b12 | 2011-10-15 05:48:21 +0000 | [diff] [blame] | 27 | |
| Masahiro Yamada | 6ab6b2a | 2014-02-05 11:28:25 +0900 | [diff] [blame] | 28 | targets += dt.dtb |
| Simon Glass | bbb0b12 | 2011-10-15 05:48:21 +0000 | [diff] [blame] | 29 | |
| James Balean | 27cb730 | 2017-03-15 23:11:31 -0500 | [diff] [blame] | 30 | $(DTB): $(dtb_depends) |
| 31 | ifeq ($(EXT_DTB),) |
| 32 | $(Q)$(MAKE) $(build)=$(ARCH_PATH) $@ |
| 33 | endif |
| Masahiro Yamada | 3284c8b | 2014-02-05 11:28:27 +0900 | [diff] [blame] | 34 | $(Q)test -e $@ || ( \ |
| 35 | echo >&2; \ |
| 36 | echo >&2 "Device Tree Source is not correctly specified."; \ |
| 37 | echo >&2 "Please define 'CONFIG_DEFAULT_DEVICE_TREE'"; \ |
| 38 | echo >&2 "or build with 'DEVICE_TREE=<device_tree>' argument"; \ |
| 39 | echo >&2; \ |
| 40 | /bin/false) |
| 41 | |
| 42 | arch-dtbs: |
| James Balean | 27cb730 | 2017-03-15 23:11:31 -0500 | [diff] [blame] | 43 | $(Q)$(MAKE) $(build)=$(ARCH_PATH) dtbs |
| Masahiro Yamada | 6ab6b2a | 2014-02-05 11:28:25 +0900 | [diff] [blame] | 44 | |
| 45 | .SECONDARY: $(obj)/dt.dtb.S |
| 46 | |
| 47 | obj-$(CONFIG_OF_EMBED) := dt.dtb.o |
| 48 | |
| 49 | dtbs: $(obj)/dt.dtb |
| 50 | @: |
| 51 | |
| 52 | clean-files := dt.dtb.S |
| Masahiro Yamada | 3284c8b | 2014-02-05 11:28:27 +0900 | [diff] [blame] | 53 | |
| 54 | # Let clean descend into dts directories |
| Masahiro Yamada | be6b2b3 | 2016-01-24 03:50:02 +0900 | [diff] [blame] | 55 | subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/mips/dts ../arch/sandbox/dts ../arch/x86/dts |