diff options
Diffstat (limited to 'roms/u-boot/dts/Makefile')
| -rw-r--r-- | roms/u-boot/dts/Makefile | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/roms/u-boot/dts/Makefile b/roms/u-boot/dts/Makefile new file mode 100644 index 00000000..e59550c9 --- /dev/null +++ b/roms/u-boot/dts/Makefile @@ -0,0 +1,47 @@ +# +# Copyright (c) 2011 The Chromium OS Authors. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +# This Makefile builds the internal U-Boot fdt if CONFIG_OF_CONTROL is +# enabled. See doc/README.fdt-control for more details. + +DEVICE_TREE ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%) +ifeq ($(DEVICE_TREE),) +DEVICE_TREE := unset +endif + +DTB := arch/$(ARCH)/dts/$(DEVICE_TREE).dtb + +quiet_cmd_copy = COPY $@ + cmd_copy = cp $< $@ + +$(obj)/dt.dtb: $(DTB) FORCE + $(call if_changed,copy) + +targets += dt.dtb + +$(DTB): arch-dtbs + $(Q)test -e $@ || ( \ + echo >&2; \ + echo >&2 "Device Tree Source is not correctly specified."; \ + echo >&2 "Please define 'CONFIG_DEFAULT_DEVICE_TREE'"; \ + echo >&2 "or build with 'DEVICE_TREE=<device_tree>' argument"; \ + echo >&2; \ + /bin/false) + +arch-dtbs: + $(Q)$(MAKE) $(build)=arch/$(ARCH)/dts dtbs + +.SECONDARY: $(obj)/dt.dtb.S + +obj-$(CONFIG_OF_EMBED) := dt.dtb.o + +dtbs: $(obj)/dt.dtb + @: + +clean-files := dt.dtb.S + +# Let clean descend into dts directories +subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/sandbox/dts ../arch/x86/dts |