[J-u-boot.git] / spl / Makefile

#
# (C) Copyright 2000-2011
# Wolfgang Denk, DENX Software Engineering, [email protected].
#
# (C) Copyright 2011
# Daniel Schwierzeck, [email protected].
#
# (C) Copyright 2011
# Texas Instruments Incorporated - http://www.ti.com/
# Aneesh V <[email protected]>
#
# This file is released under the terms of GPL v2 and any later version.
# See the file COPYING in the root directory of the source tree for details.
#
# Based on top-level Makefile.
#

CONFIG_SPL_BUILD := y
export CONFIG_SPL_BUILD

include $(TOPDIR)/config.mk

# We want the final binaries in this directory
obj := $(OBJTREE)/spl/

HAVE_VENDOR_COMMON_LIB := $(shell [ -f $(SRCTREE)/board/$(VENDOR)/common/Makefile ] \
			&& echo y || echo n)

START := $(CPUDIR)/start.o

LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
LIBS-y += $(CPUDIR)/lib$(CPU).o
ifdef SOC
LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
endif
LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o

LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o
LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o
LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o
LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o
LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o
LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o
LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o
LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o

ifeq ($(SOC),omap3)
LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
endif
ifeq ($(SOC),omap4)
LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
endif

START := $(addprefix $(SPLTREE)/,$(START))
LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))

__START := $(subst $(obj),,$(START))
__LIBS := $(subst $(obj),,$(LIBS))

# Linker Script
ifdef CONFIG_SPL_LDSCRIPT
# need to strip off double quotes
LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
endif

ifeq ($(wildcard $(LDSCRIPT)),)
	LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
endif
ifeq ($(wildcard $(LDSCRIPT)),)
	LDSCRIPT := $(TOPDIR)/$(CPUDIR)/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 $(TOPDIR)/include/u-boot/u-boot.lds.h \
	-include $(OBJTREE)/include/config.h \
	$(shell $(LD) --version | \
	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')

ifdef CONFIG_OMAP
$(OBJTREE)/MLO:	$(obj)u-boot-spl.bin
	$(OBJTREE)/tools/mkimage -T omapimage \
		-a $(CONFIG_SPL_TEXT_BASE) -d $< $@
endif

ALL-y	+= $(obj)u-boot-spl.bin

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

all:	$(ALL-y)

ifdef CONFIG_SAMSUNG
$(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
	$(TOPDIR)/board/$(BOARDDIR)/tools/mk$(BOARD)spl.exe \
		$(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
endif

$(obj)u-boot-spl.bin:	$(obj)u-boot-spl
	$(OBJCOPY) $(OBJCFLAGS) -O binary $< $@

GEN_UBOOT = \
	UNDEF_SYM=`$(OBJDUMP) -x $(LIBS) | \
	sed  -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
	cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__START) \
		--start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
		-Map u-boot-spl.map -o u-boot-spl

$(obj)u-boot-spl:	depend $(START) $(LIBS) $(obj)u-boot-spl.lds
	$(GEN_UBOOT)

$(START):	depend
	$(MAKE) -C $(SRCTREE)/$(CPUDIR) $@

$(LIBS):	depend
	$(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))

$(obj)u-boot-spl.lds: $(LDSCRIPT) depend
	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - < $< > $@

depend:	$(obj).depend
.PHONY: depend

# defines $(obj).depend target
include $(SRCTREE)/rules.mk
Commit	Line	Data
6a11cf48 DS	1	#
	2	# (C) Copyright 2000-2011
	3	# Wolfgang Denk, DENX Software Engineering, [email protected].
	4	#
	5	# (C) Copyright 2011
	6	# Daniel Schwierzeck, [email protected].
	7	#
	8	# (C) Copyright 2011
	9	# Texas Instruments Incorporated - http://www.ti.com/
	10	# Aneesh V <[email protected]>
	11	#
	12	# This file is released under the terms of GPL v2 and any later version.
	13	# See the file COPYING in the root directory of the source tree for details.
	14	#
	15	# Based on top-level Makefile.
	16	#
	17
	18	CONFIG_SPL_BUILD := y
	19	export CONFIG_SPL_BUILD
	20
	21	include $(TOPDIR)/config.mk
	22
	23	# We want the final binaries in this directory
	24	obj := $(OBJTREE)/spl/
	25
	26	HAVE_VENDOR_COMMON_LIB := $(shell [ -f $(SRCTREE)/board/$(VENDOR)/common/Makefile ] \
	27	&& echo y \|\| echo n)
	28
	29	START := $(CPUDIR)/start.o
	30
	31	LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
	32	LIBS-y += $(CPUDIR)/lib$(CPU).o
	33	ifdef SOC
	34	LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
	35	endif
	36	LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
	37	LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
	38
efcc6096 DS	39	LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o
	40	LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o
	41	LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o
	42	LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o
	43	LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o
	44	LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o
	45	LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o
	46	LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
	47	LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
	48	LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
682b3a81	49	LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
12c2f1ee	50	LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
efcc6096	51
525728b4 DS	52	ifeq ($(SOC),omap3)
	53	LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
	54	endif
	55	ifeq ($(SOC),omap4)
	56	LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
	57	endif
	58
6a11cf48 DS	59	START := $(addprefix $(SPLTREE)/,$(START))
	60	LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
	61
	62	__START := $(subst $(obj),,$(START))
	63	__LIBS := $(subst $(obj),,$(LIBS))
	64
	65	# Linker Script
	66	ifdef CONFIG_SPL_LDSCRIPT
	67	# need to strip off double quotes
	68	LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
	69	endif
	70
	71	ifeq ($(wildcard $(LDSCRIPT)),)
	72	LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
	73	endif
	74	ifeq ($(wildcard $(LDSCRIPT)),)
	75	LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
	76	endif
	77	ifeq ($(wildcard $(LDSCRIPT)),)
	78	$(error could not find linker script)
	79	endif
	80
	81	# Special flags for CPP when processing the linker script.
	82	# Pass the version down so we can handle backwards compatibility
	83	# on the fly.
	84	LDPPFLAGS += \
	85	-include $(TOPDIR)/include/u-boot/u-boot.lds.h \
	86	-include $(OBJTREE)/include/config.h \
	87	$(shell $(LD) --version \| \
	88	sed -ne 's/GNU ld version \([0-9][0-9]\)\.\([0-9][0-9]\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
	89
3decb14a JR	90	ifdef CONFIG_OMAP
	91	$(OBJTREE)/MLO: $(obj)u-boot-spl.bin
	92	$(OBJTREE)/tools/mkimage -T omapimage \
	93	-a $(CONFIG_SPL_TEXT_BASE) -d $< $@
	94	endif
	95
6a11cf48 DS	96	ALL-y += $(obj)u-boot-spl.bin
6a11cf48 DS	97
98a48c5d CK	98	ifdef CONFIG_SAMSUNG
	99	ALL-y += $(obj)$(BOARD)-spl.bin
	100	endif
	101
6a11cf48 DS	102	all: $(ALL-y)
6a11cf48 DS	103
98a48c5d CK	104	ifdef CONFIG_SAMSUNG
	105	$(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
	106	$(TOPDIR)/board/$(BOARDDIR)/tools/mk$(BOARD)spl.exe \
	107	$(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
	108	endif
	109
6a11cf48 DS	110	$(obj)u-boot-spl.bin: $(obj)u-boot-spl
	111	$(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
	112
	113	GEN_UBOOT = \
	114	UNDEF_SYM=`$(OBJDUMP) -x $(LIBS) \| \
	115	sed -n -e 's/.\($(SYM_PREFIX)__u_boot_cmd_.\)/-u\1/p'\|sort\|uniq`;\
	116	cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__START) \
	117	--start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
	118	-Map u-boot-spl.map -o u-boot-spl
	119
	120	$(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds
	121	$(GEN_UBOOT)
	122
	123	$(START): depend
	124	$(MAKE) -C $(SRCTREE)/$(CPUDIR) $@
	125
	126	$(LIBS): depend
	127	$(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
	128
	129	$(obj)u-boot-spl.lds: $(LDSCRIPT) depend
	130	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - < $< > $@
	131
	132	depend: $(obj).depend
	133	.PHONY: depend
	134
	135	# defines $(obj).depend target
	136	include $(SRCTREE)/rules.mk