projects / people / ms / 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 | |
| 3284c8b8 | 15 | DTB := arch/$(ARCH)/dts/$(DEVICE_TREE).dtb |
| c8391a0e | 16 | |
| 3284c8b8 MY |
17 | quiet_cmd_copy = COPY $@ |
| 18 | cmd_copy = cp $< $@ | |
| bbb0b128 | 19 | |
| 3284c8b8 MY |
20 | $(obj)/dt.dtb: $(DTB) FORCE |
| 21 | $(call if_changed,copy) | |
| bbb0b128 | 22 | |
| 6ab6b2af | 23 | targets += dt.dtb |
| bbb0b128 | 24 | |
| 3284c8b8 MY |
25 | $(DTB): arch-dtbs |
| 26 | $(Q)test -e $@ || ( \ | |
| 27 | echo >&2; \ | |
| 28 | echo >&2 "Device Tree Source is not correctly specified."; \ | |
| 29 | echo >&2 "Please define 'CONFIG_DEFAULT_DEVICE_TREE'"; \ | |
| 30 | echo >&2 "or build with 'DEVICE_TREE=<device_tree>' argument"; \ | |
| 31 | echo >&2; \ | |
| 32 | /bin/false) | |
| 33 | ||
| 34 | arch-dtbs: | |
| 35 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/dts dtbs | |
| bbb0b128 | 36 | |
| 6ab6b2af | 37 | .SECONDARY: $(obj)/dt.dtb.S |
| bbb0b128 | 38 | |
| 6ab6b2af | 39 | obj-$(CONFIG_OF_EMBED) := dt.dtb.o |
| bbb0b128 | 40 | |
| 6ab6b2af MY |
41 | dtbs: $(obj)/dt.dtb |
| 42 | @: | |
| bbb0b128 | 43 | |
| 6ab6b2af | 44 | clean-files := dt.dtb.S |
| 3284c8b8 MY |
45 | |
| 46 | # Let clean descend into dts directories | |
| 6bd04bb4 | 47 | subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/sandbox/dts ../arch/x86/dts |