2 # (C) Copyright 2000-2011
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 # Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
9 # Texas Instruments Incorporated - http://www.ti.com/
10 # Aneesh V <aneesh@ti.com>
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.
15 # Based on top-level Makefile.
19 export CONFIG_SPL_BUILD
21 include $(TOPDIR
)/config.mk
23 # We want the final binaries in this directory
24 obj
:= $(OBJTREE
)/spl
/
26 HAVE_VENDOR_COMMON_LIB
:= $(shell [ -f
$(SRCTREE
)/board
/$(VENDOR
)/common
/Makefile
] \
29 ifdef CONFIG_SPL_START_S_PATH
30 START_PATH
:= $(subst ",,$(CONFIG_SPL_START_S_PATH))
32 START_PATH := $(CPUDIR)
35 START := $(START_PATH)/start.o
37 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
38 LIBS-y += $(CPUDIR)/lib$(CPU).o
40 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
42 LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
43 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
45 LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o
46 LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o
47 LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o
48 LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o
49 LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o
50 LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o
51 LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o
52 LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
53 LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
54 LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
55 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
56 LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
57 LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o
58 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
59 LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o
61 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
62 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
65 START := $(addprefix $(SPLTREE)/,$(START))
66 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
68 __START := $(subst $(obj),,$(START))
69 __LIBS := $(subst $(obj),,$(LIBS))
72 ifdef CONFIG_SPL_LDSCRIPT
73 # need to strip off double quotes
74 LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT
)))
77 ifeq ($(wildcard $(LDSCRIPT
)),)
78 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot-spl.lds
80 ifeq ($(wildcard $(LDSCRIPT
)),)
81 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot-spl.lds
83 ifeq ($(wildcard $(LDSCRIPT
)),)
84 LDSCRIPT
:= $(TOPDIR
)/arch
/$(ARCH
)/cpu
/u-boot.lds
86 ifeq ($(wildcard $(LDSCRIPT
)),)
87 $(error could not find linker script
)
90 # Special flags for CPP when processing the linker script.
91 # Pass the version down so we can handle backwards compatibility
94 -include $(TOPDIR
)/include/u-boot
/u-boot.lds.h \
95 -include $(OBJTREE
)/include/config.h \
96 $(shell $(LD
) --version | \
97 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
100 $(OBJTREE
)/MLO
: $(obj
)u-boot-spl.bin
101 $(OBJTREE
)/tools
/mkimage
-T omapimage \
102 -a
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
105 $(OBJTREE
)/MLO
: $(obj
)u-boot-spl.bin
106 $(OBJTREE
)/tools
/mkimage
-T omapimage \
107 -a
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
110 ALL-y
+= $(obj
)u-boot-spl.bin
113 ALL-y
+= $(obj
)$(BOARD
)-spl.bin
119 $(obj
)$(BOARD
)-spl.bin
: $(obj
)u-boot-spl.bin
120 $(OBJTREE
)/tools
/mk
$(BOARD
)spl \
121 $(obj
)u-boot-spl.bin
$(obj
)$(BOARD
)-spl.bin
124 $(obj
)u-boot-spl.bin
: $(obj
)u-boot-spl
125 $(OBJCOPY
) $(OBJCFLAGS
) -O binary
$< $@
128 UNDEF_SYM
=`$(OBJDUMP) -x $(LIBS) | \
129 sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
130 cd
$(obj
) && $(LD
) $(LDFLAGS
) $(LDFLAGS_
$(@F
)) $$UNDEF_SYM $(__START
) \
131 --start-group
$(__LIBS
) --end-group
$(PLATFORM_LIBS
) \
132 -Map u-boot-spl.map
-o u-boot-spl
134 $(obj
)u-boot-spl
: depend
$(START
) $(LIBS
) $(obj
)u-boot-spl.lds
138 $(MAKE
) -C
$(SRCTREE
)/$(START_PATH
) $@
141 $(MAKE
) -C
$(SRCTREE
)$(dir $(subst $(SPLTREE
),,$@
))
143 $(obj
)u-boot-spl.lds
: $(LDSCRIPT
) depend
144 $(CPP
) $(CPPFLAGS
) $(LDPPFLAGS
) -ansi
-D__ASSEMBLY__
-P
- < $< > $@
146 depend
: $(obj
).depend
149 # defines $(obj).depend target
150 include $(SRCTREE
)/rules.mk