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
= $(if
$(wildcard $(SRCTREE
)/board
/$(VENDOR
)/common
/Makefile
),y
,n
)
28 ifdef CONFIG_SPL_START_S_PATH
29 START_PATH
:= $(subst ",,$(CONFIG_SPL_START_S_PATH))
31 START_PATH := $(CPUDIR)
34 START := $(START_PATH)/start.o
36 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
37 LIBS-y += $(CPUDIR)/lib$(CPU).o
39 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
41 LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
42 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
44 LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/libspl.o
45 LIBS-$(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
60 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
61 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
62 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
64 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
65 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
69 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
70 LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
71 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
75 ifeq ("$(USE_PRIVATE_LIBGCC
)", "yes
")
76 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
77 PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
80 START := $(addprefix $(SPLTREE)/,$(START))
81 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
83 __START := $(subst $(obj),,$(START))
84 __LIBS := $(subst $(obj),,$(LIBS))
87 ifdef CONFIG_SPL_LDSCRIPT
88 # need to strip off double quotes
89 LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT
)))
92 ifeq ($(wildcard $(LDSCRIPT
)),)
93 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot-spl.lds
95 ifeq ($(wildcard $(LDSCRIPT
)),)
96 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot-spl.lds
98 ifeq ($(wildcard $(LDSCRIPT
)),)
99 LDSCRIPT
:= $(TOPDIR
)/arch
/$(ARCH
)/cpu
/u-boot.lds
101 ifeq ($(wildcard $(LDSCRIPT
)),)
102 $(error could not find linker script
)
105 # Special flags for CPP when processing the linker script.
106 # Pass the version down so we can handle backwards compatibility
109 -include $(TOPDIR
)/include/u-boot
/u-boot.lds.h \
110 -include $(OBJTREE
)/include/config.h \
112 $(shell $(LD
) --version | \
113 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
116 $(OBJTREE
)/MLO
: $(obj
)u-boot-spl.bin
117 $(OBJTREE
)/tools
/mkimage
-T omapimage \
118 -a
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
121 $(OBJTREE
)/MLO
: $(obj
)u-boot-spl.bin
122 $(OBJTREE
)/tools
/mkimage
-T omapimage \
123 -a
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
126 ALL-y
+= $(obj
)u-boot-spl.bin
129 ALL-y
+= $(obj
)$(BOARD
)-spl.bin
135 $(obj
)$(BOARD
)-spl.bin
: $(obj
)u-boot-spl.bin
136 $(OBJTREE
)/tools
/mk
$(BOARD
)spl \
137 $(obj
)u-boot-spl.bin
$(obj
)$(BOARD
)-spl.bin
140 $(obj
)u-boot-spl.bin
: $(obj
)u-boot-spl
141 $(OBJCOPY
) $(OBJCFLAGS
) -O binary
$< $@
144 cd
$(obj
) && $(LD
) $(LDFLAGS
) $(LDFLAGS_
$(@F
)) $(__START
) \
145 --start-group
$(__LIBS
) --end-group
$(PLATFORM_LIBS
) \
146 -Map u-boot-spl.map
-o u-boot-spl
148 $(obj
)u-boot-spl
: depend
$(START
) $(LIBS
) $(obj
)u-boot-spl.lds
152 $(MAKE
) -C
$(SRCTREE
)/$(START_PATH
) $@
155 $(MAKE
) -C
$(SRCTREE
)$(dir $(subst $(SPLTREE
),,$@
))
157 $(obj
)u-boot-spl.lds
: $(LDSCRIPT
) depend
158 $(CPP
) $(CPPFLAGS
) $(LDPPFLAGS
) -ansi
-D__ASSEMBLY__
-P
- < $< > $@
160 depend
: $(obj
).depend
163 # defines $(obj).depend target
164 include $(SRCTREE
)/rules.mk