[people/ms/u-boot.git] / dts / Makefile

#
# 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

ARCH_PATH := arch/$(ARCH)/dts
dtb_depends := arch-dtbs

ifneq ($(EXT_DTB),)
DTB := $(EXT_DTB)
else
DTB := $(ARCH_PATH)/$(DEVICE_TREE).dtb
dtb_depends += $(DTB:.dtb=.dts)
endif

# Pass the original device tree file through fdtgrep twice. The first pass
# removes any unwanted nodes (i.e. those which don't have the
# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
# pass removes various unused properties from the remaining nodes.
# The output is typically a much smaller device tree file.
ifeq ($(CONFIG_TPL_BUILD),y)
fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
else
fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
endif
quiet_cmd_fdtgrep = FDTGREP $@
      cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
		-n /chosen -n /config -O dtb | \
	$(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
		$(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))

$(obj)/dt-spl.dtb: $(DTB) $(objtree)/tools/fdtgrep FORCE
	$(call if_changed,fdtgrep)

$(obj)/dt.dtb: $(DTB) FORCE
	$(call if_changed,shipped)

targets += dt.dtb dt-spl.dtb

$(DTB): $(dtb_depends)
ifeq ($(EXT_DTB),)
	$(Q)$(MAKE) $(build)=$(ARCH_PATH) $@
endif
	$(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_PATH) dtbs

.SECONDARY: $(obj)/dt.dtb.S $(obj)/dt-spl.dtb.S


ifeq ($(CONFIG_SPL_BUILD),y)
obj-$(CONFIG_OF_EMBED) := dt-spl.dtb.o
# support "out-of-tree" build for dtb-spl
$(obj)/dt-spl.dtb.o: $(obj)/dt-spl.dtb.S FORCE
	$(call if_changed_dep,as_o_S)
else
obj-$(CONFIG_OF_EMBED) := dt.dtb.o
endif

dtbs: $(obj)/dt.dtb $(obj)/dt-spl.dtb
	@:

clean-files := dt.dtb.S dt-spl.dtb.S

# Let clean descend into dts directories
subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/mips/dts ../arch/sandbox/dts ../arch/x86/dts
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 ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%)
6ab6b2af MY	11	ifeq ($(DEVICE_TREE),)
3284c8b8	12	DEVICE_TREE := unset
6ab6b2af	13	endif
c8391a0e	14
27cb7300 JB	15	ARCH_PATH := arch/$(ARCH)/dts
	16	dtb_depends := arch-dtbs
	17
d18926af SG	18	ifneq ($(EXT_DTB),)
d18926af SG	19	DTB := $(EXT_DTB)
63b4b5ba	20	else
27cb7300 JB	21	DTB := $(ARCH_PATH)/$(DEVICE_TREE).dtb
27cb7300 JB	22	dtb_depends += $(DTB:.dtb=.dts)
63b4b5ba	23	endif
c8391a0e	24
9bd76b80 GS	25	# Pass the original device tree file through fdtgrep twice. The first pass
	26	# removes any unwanted nodes (i.e. those which don't have the
	27	# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
	28	# pass removes various unused properties from the remaining nodes.
	29	# The output is typically a much smaller device tree file.
	30	ifeq ($(CONFIG_TPL_BUILD),y)
	31	fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
	32	else
	33	fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
	34	endif
	35	quiet_cmd_fdtgrep = FDTGREP $@
	36	cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
	37	-n /chosen -n /config -O dtb \| \
	38	$(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
	39	$(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
	40
	41	$(obj)/dt-spl.dtb: $(DTB) $(objtree)/tools/fdtgrep FORCE
	42	$(call if_changed,fdtgrep)
	43
3284c8b8	44	$(obj)/dt.dtb: $(DTB) FORCE
b9d1dbd4	45	$(call if_changed,shipped)
bbb0b128	46
9bd76b80	47	targets += dt.dtb dt-spl.dtb
bbb0b128	48
27cb7300 JB	49	$(DTB): $(dtb_depends)
	50	ifeq ($(EXT_DTB),)
	51	$(Q)$(MAKE) $(build)=$(ARCH_PATH) $@
	52	endif
3284c8b8 MY	53	$(Q)test -e $@ \|\| ( \
	54	echo >&2; \
	55	echo >&2 "Device Tree Source is not correctly specified."; \
	56	echo >&2 "Please define 'CONFIG_DEFAULT_DEVICE_TREE'"; \
	57	echo >&2 "or build with 'DEVICE_TREE=<device_tree>' argument"; \
	58	echo >&2; \
	59	/bin/false)
	60
	61	arch-dtbs:
27cb7300	62	$(Q)$(MAKE) $(build)=$(ARCH_PATH) dtbs
bbb0b128	63
9bd76b80	64	.SECONDARY: $(obj)/dt.dtb.S $(obj)/dt-spl.dtb.S
bbb0b128	65
9bd76b80 GS	66
	67	ifeq ($(CONFIG_SPL_BUILD),y)
	68	obj-$(CONFIG_OF_EMBED) := dt-spl.dtb.o
	69	# support "out-of-tree" build for dtb-spl
	70	$(obj)/dt-spl.dtb.o: $(obj)/dt-spl.dtb.S FORCE
	71	$(call if_changed_dep,as_o_S)
	72	else
6ab6b2af	73	obj-$(CONFIG_OF_EMBED) := dt.dtb.o
9bd76b80	74	endif
bbb0b128	75
9bd76b80	76	dtbs: $(obj)/dt.dtb $(obj)/dt-spl.dtb
6ab6b2af	77	@:
bbb0b128	78
9bd76b80	79	clean-files := dt.dtb.S dt-spl.dtb.S
3284c8b8 MY	80
3284c8b8 MY	81	# Let clean descend into dts directories
be6b2b31	82	subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/mips/dts ../arch/sandbox/dts ../arch/x86/dts