[people/ms/u-boot.git] / scripts / Makefile.spl

#
# (C) Copyright 2000-2011
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# (C) Copyright 2011
# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
#
# (C) Copyright 2011
# Texas Instruments Incorporated - http://www.ti.com/
# Aneesh V <aneesh@ti.com>
#
# SPDX-License-Identifier:	GPL-2.0+
#
# Based on top-level Makefile.
#

src := $(obj)

# Create output directory if not already present
_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))

include $(srctree)/scripts/Kbuild.include

-include include/config/auto.conf
-include $(obj)/include/autoconf.mk

KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
ifeq ($(CONFIG_TPL_BUILD),y)
KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
endif

ifeq ($(CONFIG_TPL_BUILD),y)
SPL_BIN := u-boot-tpl
else
SPL_BIN := u-boot-spl
endif

ifdef CONFIG_SPL_BUILD
SPL_ := SPL_
ifeq ($(CONFIG_TPL_BUILD),y)
SPL_TPL_ := TPL_
else
SPL_TPL_ := SPL_
endif
else
SPL_ :=
SPL_TPL_ :=
endif

include $(srctree)/config.mk
include $(srctree)/arch/$(ARCH)/Makefile

include $(srctree)/scripts/Makefile.lib

# Enable garbage collection of un-used sections for SPL
KBUILD_CFLAGS += -ffunction-sections -fdata-sections
LDFLAGS_FINAL += --gc-sections

# FIX ME
cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
							$(NOSTDINC_FLAGS)
c_flags := $(KBUILD_CFLAGS) $(cpp_flags)

HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)

libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/

libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
libs-y += common/init/

# Special handling for a few options which support SPL/TPL
ifeq ($(CONFIG_TPL_BUILD),y)
libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
else
libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
endif

libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
libs-y += drivers/
libs-$(CONFIG_SPL_USB_GADGET_SUPPORT) += drivers/usb/dwc3/
libs-y += dts/
libs-y += fs/
libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
libs-$(CONFIG_SPL_NET_SUPPORT) += net/

head-y		:= $(addprefix $(obj)/,$(head-y))
libs-y		:= $(addprefix $(obj)/,$(libs-y))
u-boot-spl-dirs	:= $(patsubst %/,%,$(filter %/, $(libs-y)))

libs-y := $(patsubst %/, %/built-in.o, $(libs-y))

# Add GCC lib
ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
endif

u-boot-spl-init := $(head-y)
u-boot-spl-main := $(libs-y)
ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
endif

# Linker Script
# First test whether there's a linker-script for the specific stage defined...
ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
# need to strip off double quotes
LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
else
# ...then fall back to the generic SPL linker-script
ifneq ($(CONFIG_SPL_LDSCRIPT),)
# need to strip off double quotes
LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
endif
endif

ifeq ($(wildcard $(LDSCRIPT)),)
	LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
endif
ifeq ($(wildcard $(LDSCRIPT)),)
	LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
endif
ifeq ($(wildcard $(LDSCRIPT)),)
	LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
endif
ifeq ($(wildcard $(LDSCRIPT)),)
$(error could not find linker script)
endif

# Special flags for CPP when processing the linker script.
# Pass the version down so we can handle backwards compatibility
# on the fly.
LDPPFLAGS += \
	-include $(srctree)/include/u-boot/u-boot.lds.h \
	-include $(objtree)/include/config.h \
	-DCPUDIR=$(CPUDIR) \
	$(shell $(LD) --version | \
	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')

MKIMAGEOUTPUT ?= /dev/null

quiet_cmd_mkimage = MKIMAGE $@
cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
	$(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))

MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)

MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)

MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
	$(call if_changed,mkimage)

ifeq ($(CONFIG_SYS_SOC),"at91")
MKIMAGEFLAGS_boot.bin = -T atmelimage

ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)

boot.bin: $(obj)/../tools/atmel_pmecc_params
endif

boot.bin: $(obj)/u-boot-spl.bin FORCE
	$(call if_changed,mkimage)
else
ifdef CONFIG_ARCH_ZYNQ
MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
endif
ifdef CONFIG_ARCH_ZYNQMP
MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
	-n $(srctree)/$(CONFIG_PMUFW_INIT_FILE)
endif

spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
	$(call if_changed,mkimage)
endif

ALL-y	+= $(obj)/$(SPL_BIN).bin

ifdef CONFIG_SAMSUNG
ALL-y	+= $(obj)/$(BOARD)-spl.bin
endif

ifdef CONFIG_ARCH_SOCFPGA
ALL-y	+= $(obj)/$(SPL_BIN).sfp
endif

ifdef CONFIG_ARCH_SUNXI
ALL-y	+= $(obj)/sunxi-spl.bin

ifdef CONFIG_NAND_SUNXI
ALL-y	+= $(obj)/sunxi-spl-with-ecc.bin
endif
endif

ifeq ($(CONFIG_SYS_SOC),"at91")
ALL-y	+= boot.bin
endif

ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin

ALL-$(CONFIG_ARCH_ZYNQ)		+= $(obj)/boot.bin
ALL-$(CONFIG_ARCH_ZYNQMP)	+= $(obj)/boot.bin

all:	$(ALL-y)

quiet_cmd_cat = CAT     $@
cmd_cat = cat $(filter-out $(PHONY), $^) > $@

quiet_cmd_copy = COPY    $@
      cmd_copy = cp $< $@

ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
else
FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
endif


ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
		$(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
		$(FINAL_DTB_CONTAINER)  FORCE
	$(call if_changed,cat)

$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
	$(call if_changed,copy)
else
$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
	$(call if_changed,copy)
endif

# Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
	@bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
	dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;

$(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
	$(call if_changed,copy)

pythonpath = PYTHONPATH=scripts/dtc/pylibfdt

quiet_cmd_dtocc = DTOC C  $@
cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata

quiet_cmd_dtoch = DTOC H  $@
cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct

quiet_cmd_plat = PLAT    $@
cmd_plat = $(CC) $(c_flags) -c $< -o $@

$(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
		include/generated/dt-structs-gen.h
	$(call if_changed,plat)

PHONY += dts_dir
dts_dir:
	$(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)

include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
	$(call if_changed,dtoch)

$(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
	$(call if_changed,dtocc)

ifdef CONFIG_SAMSUNG
ifdef CONFIG_VAR_SIZE_SPL
VAR_SIZE_PARAM = --vs
else
VAR_SIZE_PARAM =
endif
$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
	$(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
	$(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
	$(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
endif

quiet_cmd_objcopy = OBJCOPY $@
cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@

OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
		$(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)

$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
	$(call if_changed,objcopy)

OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
$(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
	$(call if_changed,objcopy)

LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)

# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)

# First try the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
else
# And then fall back to just testing for SPL_TEXT_BASE, even if in TPL mode
ifneq ($(CONFIG_SPL_TEXT_BASE),)
LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
endif
endif

MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
	$(call if_changed,mkimage)

quiet_cmd_mksunxiboot = MKSUNXI $@
cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
			--default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
	$(call if_changed,mksunxiboot)

quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
				-c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
				-p $(CONFIG_SYS_NAND_PAGE_SIZE) \
				-o $(CONFIG_SYS_NAND_OOBSIZE) \
				-u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
				-e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
				-s -b $< $@
$(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
	$(call if_changed,sunxi_spl_image_builder)

# Rule to link u-boot-spl
# May be overridden by arch/$(ARCH)/config.mk
quiet_cmd_u-boot-spl ?= LD      $@
      cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
		       $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
		       $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
		       $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
		       --end-group \
		       $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))

$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
		$(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
	$(call if_changed,u-boot-spl)

$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;

PHONY += $(u-boot-spl-dirs)
$(u-boot-spl-dirs): $(u-boot-spl-platdata)
	$(Q)$(MAKE) $(build)=$@

quiet_cmd_cpp_lds = LDS     $@
cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
		-D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<

$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
	$(call if_changed_dep,cpp_lds)

# read all saved command lines

targets := $(wildcard $(sort $(targets)))
cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))

ifneq ($(cmd_files),)
  $(cmd_files): ;	# Do not try to update included dependency files
  include $(cmd_files)
endif

PHONY += FORCE
FORCE:

PHONY += dtbs
dtbs:
	$(Q)$(MAKE) $(build)=dts dtbs

# Declare the contents of the .PHONY variable as phony.  We keep that
# information in a variable so we can use it in if_changed and friends.
.PHONY: $(PHONY)

SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
.SECONDEXPANSION:
$(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
	$(call if_changed,fdtgrep)

MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
	-n "Multi DTB fit image for $(SPL_BIN)" -E \
	$(patsubst %,-b %,$(SHRUNK_ARCH_DTB))

$(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
	$(call if_changed,mkimage)

$(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
	@gzip -kf9 $< > $@

$(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
	@lzop -f9 $< > $@
Commit	Line	Data
6a11cf48 DS	1	#
	2	# (C) Copyright 2000-2011
	3	# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	#
	5	# (C) Copyright 2011
	6	# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
	7	#
	8	# (C) Copyright 2011
	9	# Texas Instruments Incorporated - http://www.ti.com/
	10	# Aneesh V <aneesh@ti.com>
	11	#
1a459660	12	# SPDX-License-Identifier: GPL-2.0+
6a11cf48 DS	13	#
	14	# Based on top-level Makefile.
	15	#
	16
9e414032 MY	17	src := $(obj)
	18
	19	# Create output directory if not already present
	20	_dummy := $(shell [ -d $(obj) ] \|\| mkdir -p $(obj))
	21
bf4b3de1 MY	22	include $(srctree)/scripts/Kbuild.include
bf4b3de1 MY	23
e02ee254	24	-include include/config/auto.conf
51148790	25	-include $(obj)/include/autoconf.mk
e0d5d9f8	26
e02ee254 MY	27	KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
	28	ifeq ($(CONFIG_TPL_BUILD),y)
	29	KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
	30	endif
	31
3aa29de0	32	ifeq ($(CONFIG_TPL_BUILD),y)
3aa29de0 YZ	33	SPL_BIN := u-boot-tpl
	34	else
	35	SPL_BIN := u-boot-spl
	36	endif
	37
d688bd72 SG	38	ifdef CONFIG_SPL_BUILD
d688bd72 SG	39	SPL_ := SPL_
001f3142 SG	40	ifeq ($(CONFIG_TPL_BUILD),y)
	41	SPL_TPL_ := TPL_
	42	else
	43	SPL_TPL_ := SPL_
	44	endif
d688bd72 SG	45	else
d688bd72 SG	46	SPL_ :=
001f3142	47	SPL_TPL_ :=
d688bd72 SG	48	endif
d688bd72 SG	49
4379ac61	50	include $(srctree)/config.mk
e19db555	51	include $(srctree)/arch/$(ARCH)/Makefile
6a11cf48	52
d693742b SG	53	include $(srctree)/scripts/Makefile.lib
d693742b SG	54
026f9cf2 MY	55	# Enable garbage collection of un-used sections for SPL
	56	KBUILD_CFLAGS += -ffunction-sections -fdata-sections
	57	LDFLAGS_FINAL += --gc-sections
	58
5fe6301a	59	# FIX ME
026f9cf2 MY	60	cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
026f9cf2 MY	61	$(NOSTDINC_FLAGS)
dbbe2e64	62	c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
5fe6301a	63
01286329	64	HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
6a11cf48	65
bf69d664	66	libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
656de6b8 MY	67	libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
	68
	69	libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
af6bbd4d	70	libs-y += common/init/
76f1f388 SG	71
	72	# Special handling for a few options which support SPL/TPL
	73	ifeq ($(CONFIG_TPL_BUILD),y)
0649cd0d	74	libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
76f1f388 SG	75	libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
76f1f388 SG	76	else
0649cd0d	77	libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
76f1f388 SG	78	libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
	79	endif
	80
656de6b8	81	libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
d6c2ac5b	82	libs-y += drivers/
e94793c8	83	libs-$(CONFIG_SPL_USB_GADGET_SUPPORT) += drivers/usb/dwc3/
8d7a2b83	84	libs-y += dts/
656de6b8	85	libs-y += fs/
656de6b8 MY	86	libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
656de6b8 MY	87	libs-$(CONFIG_SPL_NET_SUPPORT) += net/
efcc6096	88
656de6b8 MY	89	head-y := $(addprefix $(obj)/,$(head-y))
	90	libs-y := $(addprefix $(obj)/,$(libs-y))
	91	u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
	92
	93	libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
e2906a59	94
660e98f2	95	# Add GCC lib
cd2e46cb	96	ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
a86cf89c	97	PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
6445262c	98	PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
660e98f2 AM	99	endif
660e98f2 AM	100
656de6b8 MY	101	u-boot-spl-init := $(head-y)
656de6b8 MY	102	u-boot-spl-main := $(libs-y)
f291ce12	103	ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
dbbe2e64 SG	104	u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
dbbe2e64 SG	105	endif
6a11cf48 DS	106
6a11cf48 DS	107	# Linker Script
dd6fbcb9 PT	108	# First test whether there's a linker-script for the specific stage defined...
dd6fbcb9 PT	109	ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
6a11cf48	110	# need to strip off double quotes
1749858a	111	LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
dd6fbcb9 PT	112	else
	113	# ...then fall back to the generic SPL linker-script
	114	ifneq ($(CONFIG_SPL_LDSCRIPT),)
	115	# need to strip off double quotes
	116	LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
	117	endif
6a11cf48 DS	118	endif
	119
	120	ifeq ($(wildcard $(LDSCRIPT)),)
4379ac61	121	LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
6a11cf48 DS	122	endif
6a11cf48 DS	123	ifeq ($(wildcard $(LDSCRIPT)),)
4379ac61	124	LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
6a11cf48	125	endif
ee60197e	126	ifeq ($(wildcard $(LDSCRIPT)),)
4379ac61	127	LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
ee60197e	128	endif
6a11cf48 DS	129	ifeq ($(wildcard $(LDSCRIPT)),)
	130	$(error could not find linker script)
	131	endif
	132
	133	# Special flags for CPP when processing the linker script.
	134	# Pass the version down so we can handle backwards compatibility
	135	# on the fly.
	136	LDPPFLAGS += \
4379ac61	137	-include $(srctree)/include/u-boot/u-boot.lds.h \
5ee828ca	138	-include $(objtree)/include/config.h \
7e6403a6	139	-DCPUDIR=$(CPUDIR) \
6a11cf48 DS	140	$(shell $(LD) --version \| \
	141	sed -ne 's/GNU ld version \([0-9][0-9]\)\.\([0-9][0-9]\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
	142
1f6a6648 SE	143	MKIMAGEOUTPUT ?= /dev/null
1f6a6648 SE	144
b97241b3	145	quiet_cmd_mkimage = MKIMAGE $@
9bf215b0	146	cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
1f6a6648	147	$(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
79b9ebb7	148
9bf215b0 MY	149	MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
	150
	151	MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
	152
514ec438	153	MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
9bf215b0	154	$(call if_changed,mkimage)
3decb14a	155
08598d6e	156	ifeq ($(CONFIG_SYS_SOC),"at91")
5c390a5b AB	157	MKIMAGEFLAGS_boot.bin = -T atmelimage
	158
	159	ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
	160	MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
	161
	162	boot.bin: $(obj)/../tools/atmel_pmecc_params
	163	endif
	164
514ec438	165	boot.bin: $(obj)/u-boot-spl.bin FORCE
5c390a5b	166	$(call if_changed,mkimage)
08598d6e	167	else
d9b58b30	168	ifdef CONFIG_ARCH_ZYNQ
3b646080	169	MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
d9b58b30 MS	170	endif
d9b58b30 MS	171	ifdef CONFIG_ARCH_ZYNQMP
c85a6b79 MS	172	MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
c85a6b79 MS	173	-n $(srctree)/$(CONFIG_PMUFW_INIT_FILE)
d9b58b30	174	endif
08598d6e	175
514ec438	176	spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
08598d6e NR	177	$(call if_changed,mkimage)
08598d6e NR	178	endif
5c390a5b	179
e19b0fb4	180	ALL-y += $(obj)/$(SPL_BIN).bin
6a11cf48	181
98a48c5d	182	ifdef CONFIG_SAMSUNG
9e414032	183	ALL-y += $(obj)/$(BOARD)-spl.bin
98a48c5d CK	184	endif
98a48c5d CK	185
333b7209	186	ifdef CONFIG_ARCH_SOCFPGA
bd7dc388	187	ALL-y += $(obj)/$(SPL_BIN).sfp
333b7209 MV	188	endif
333b7209 MV	189
aec9a0f1	190	ifdef CONFIG_ARCH_SUNXI
50827a59	191	ALL-y += $(obj)/sunxi-spl.bin
d2fdcc76 MR	192
	193	ifdef CONFIG_NAND_SUNXI
	194	ALL-y += $(obj)/sunxi-spl-with-ecc.bin
	195	endif
50827a59	196	endif
50827a59	197
c001486d HS	198	ifeq ($(CONFIG_SYS_SOC),"at91")
	199	ALL-y += boot.bin
	200	endif
	201
84547b4e SG	202	ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
84547b4e SG	203
1a6a6e9a MS	204	ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
1a6a6e9a MS	205	ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
d9b58b30	206
6a11cf48 DS	207	all: $(ALL-y)
6a11cf48 DS	208
fa78e0a3 SG	209	quiet_cmd_cat = CAT $@
	210	cmd_cat = cat $(filter-out $(PHONY), $^) > $@
	211
03c25bcd SG	212	quiet_cmd_copy = COPY $@
	213	cmd_copy = cp $< $@
	214
2f57c951 JJH	215	ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
	216	FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
	217	else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
	218	FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
	219	else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
	220	FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
	221	else
	222	FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
	223	endif
	224
	225
f291ce12	226	ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
0ec28e02 SG	227	$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
0ec28e02 SG	228	$(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
2f57c951	229	$(FINAL_DTB_CONTAINER) FORCE
fa78e0a3 SG	230	$(call if_changed,cat)
fa78e0a3 SG	231
03c25bcd SG	232	$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
	233	$(call if_changed,copy)
	234	else
	235	$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
	236	$(call if_changed,copy)
	237	endif
	238
	239	# Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
fa78e0a3 SG	240	$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
	241	@bss_size_str=$(shell $(NM) $< \| awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' \| bc); \
	242	dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
	243
9bd76b80 GS	244	$(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
9bd76b80 GS	245	$(call if_changed,copy)
fa78e0a3	246
15b97f5c	247	pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
dbbe2e64 SG	248
	249	quiet_cmd_dtocc = DTOC C $@
	250	cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
	251
	252	quiet_cmd_dtoch = DTOC H $@
	253	cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
	254
	255	quiet_cmd_plat = PLAT $@
	256	cmd_plat = $(CC) $(c_flags) -c $< -o $@
	257
b145b45b SG	258	$(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
b145b45b SG	259	include/generated/dt-structs-gen.h
dbbe2e64 SG	260	$(call if_changed,plat)
	261
	262	PHONY += dts_dir
	263	dts_dir:
	264	$(shell [ -d $(obj)/dts ] \|\| mkdir -p $(obj)/dts)
	265
d6a0c78a	266	include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
dbbe2e64 SG	267	$(call if_changed,dtoch)
dbbe2e64 SG	268
d6a0c78a	269	$(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
dbbe2e64 SG	270	$(call if_changed,dtocc)
dbbe2e64 SG	271
98a48c5d	272	ifdef CONFIG_SAMSUNG
0fcac1ab RS	273	ifdef CONFIG_VAR_SIZE_SPL
	274	VAR_SIZE_PARAM = --vs
	275	else
	276	VAR_SIZE_PARAM =
	277	endif
9e414032	278	$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
5ee828ca MY	279	$(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
	280	$(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
	281	$(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
98a48c5d CK	282	endif
98a48c5d CK	283
f9c235fd MY	284	quiet_cmd_objcopy = OBJCOPY $@
	285	cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
	286
84547b4e SG	287	OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
84547b4e SG	288	$(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
f9c235fd	289
03c25bcd	290	$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
f9c235fd	291	$(call if_changed,objcopy)
6a11cf48	292
84547b4e SG	293	OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
	294	$(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
	295	$(call if_changed,objcopy)
	296
9e414032	297	LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
e391b1e6 JS	298
	299	# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
	300	LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
	301
1749858a PT	302	# First try the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
	303	ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
	304	LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
	305	else
	306	# And then fall back to just testing for SPL_TEXT_BASE, even if in TPL mode
e0d5d9f8 MY	307	ifneq ($(CONFIG_SPL_TEXT_BASE),)
	308	LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
	309	endif
1749858a	310	endif
e0d5d9f8	311
bd7dc388 SG	312	MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
bd7dc388 SG	313	$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
333b7209	314	$(call if_changed,mkimage)
333b7209	315
50827a59	316	quiet_cmd_mksunxiboot = MKSUNXI $@
7f0ef5a9 SS	317	cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
7f0ef5a9 SS	318	--default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
514ec438	319	$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
50827a59	320	$(call if_changed,mksunxiboot)
50827a59	321
d2fdcc76 MR	322	quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
	323	cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
	324	-c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
	325	-p $(CONFIG_SYS_NAND_PAGE_SIZE) \
	326	-o $(CONFIG_SYS_NAND_OOBSIZE) \
	327	-u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
	328	-e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
	329	-s -b $< $@
	330	$(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
	331	$(call if_changed,sunxi_spl_image_builder)
	332
72a7e076 SG	333	# Rule to link u-boot-spl
	334	# May be overridden by arch/$(ARCH)/config.mk
	335	quiet_cmd_u-boot-spl ?= LD $@
	336	cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
656de6b8	337	$(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
dbbe2e64 SG	338	$(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
	339	$(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
	340	--end-group \
9adb6d24	341	$(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
6a11cf48	342
dbbe2e64 SG	343	$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
dbbe2e64 SG	344	$(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
9adb6d24	345	$(call if_changed,u-boot-spl)
6a11cf48	346
656de6b8	347	$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
6a11cf48	348
656de6b8	349	PHONY += $(u-boot-spl-dirs)
dbbe2e64	350	$(u-boot-spl-dirs): $(u-boot-spl-platdata)
656de6b8	351	$(Q)$(MAKE) $(build)=$@
6a11cf48	352
04a34c96	353	quiet_cmd_cpp_lds = LDS $@
395e60cd MY	354	cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
395e60cd MY	355	-D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
04a34c96	356
6825a95b	357	$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
395e60cd	358	$(call if_changed_dep,cpp_lds)
6a11cf48	359
f9c235fd MY	360	# read all saved command lines
	361
	362	targets := $(wildcard $(sort $(targets)))
	363	cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
	364
	365	ifneq ($(cmd_files),)
	366	$(cmd_files): ; # Do not try to update included dependency files
	367	include $(cmd_files)
	368	endif
	369
6825a95b MY	370	PHONY += FORCE
	371	FORCE:
	372
2f57c951 JJH	373	PHONY += dtbs
	374	dtbs:
	375	$(Q)$(MAKE) $(build)=dts dtbs
	376
6825a95b MY	377	# Declare the contents of the .PHONY variable as phony. We keep that
	378	# information in a variable so we can use it in if_changed and friends.
	379	.PHONY: $(PHONY)
2f57c951 JJH	380
	381	SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
	382	.SECONDEXPANSION:
	383	$(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
	384	$(call if_changed,fdtgrep)
	385
	386	MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
	387	-n "Multi DTB fit image for $(SPL_BIN)" -E \
	388	$(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
	389
	390	$(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
	391	$(call if_changed,mkimage)
	392
	393	$(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
	394	@gzip -kf9 $< > $@
	395
	396	$(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
	397	@lzop -f9 $< > $@