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 START += $(START_PATH)/start16.o
37 START += $(START_PATH)/resetvec.o
40 START += $(START_PATH)/resetvec.o
43 START += $(START_PATH)/resetvec.o
46 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
48 LIBS-y += $(CPUDIR)/lib$(CPU).o
50 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
53 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
56 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
60 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
62 LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
63 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
65 LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/libspl.o
66 LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o
67 LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o
68 LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o
69 LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o
70 LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o
71 LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o
72 LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o
73 LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
74 LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
75 LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
76 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
77 LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
78 LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o
79 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
80 LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o
81 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
82 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
83 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
85 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
86 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
90 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
91 LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
92 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
96 ifeq ("$(USE_PRIVATE_LIBGCC
)", "yes
")
97 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
98 PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
101 START := $(addprefix $(SPLTREE)/,$(START))
102 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
104 __START := $(subst $(obj),,$(START))
105 __LIBS := $(subst $(obj),,$(LIBS))
108 ifdef CONFIG_SPL_LDSCRIPT
109 # need to strip off double quotes
110 LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT
)))
113 ifeq ($(wildcard $(LDSCRIPT
)),)
114 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot-spl.lds
116 ifeq ($(wildcard $(LDSCRIPT
)),)
117 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot-spl.lds
119 ifeq ($(wildcard $(LDSCRIPT
)),)
120 LDSCRIPT
:= $(TOPDIR
)/arch
/$(ARCH
)/cpu
/u-boot.lds
122 ifeq ($(wildcard $(LDSCRIPT
)),)
123 $(error could not find linker script
)
126 # Special flags for CPP when processing the linker script.
127 # Pass the version down so we can handle backwards compatibility
130 -include $(TOPDIR
)/include/u-boot
/u-boot.lds.h \
131 -include $(OBJTREE
)/include/config.h \
133 $(shell $(LD
) --version | \
134 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
136 $(OBJTREE
)/MLO
: $(obj
)u-boot-spl.bin
137 $(OBJTREE
)/tools
/mkimage
-T omapimage \
138 -a
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
140 $(OBJTREE
)/MLO.byteswap
: $(obj
)u-boot-spl.bin
141 $(OBJTREE
)/tools
/mkimage
-T omapimage
-n byteswap \
142 -a
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
144 ifneq ($(CONFIG_IMX_CONFIG
),)
145 $(OBJTREE
)/SPL
: $(obj
)u-boot-spl.bin
146 $(OBJTREE
)/tools
/mkimage
-n
$(SRCTREE
)/$(CONFIG_IMX_CONFIG
) -T imximage \
147 -e
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
150 ALL-y
+= $(obj
)u-boot-spl.bin
153 ALL-y
+= $(obj
)$(BOARD
)-spl.bin
159 $(obj
)$(BOARD
)-spl.bin
: $(obj
)u-boot-spl.bin
160 $(OBJTREE
)/tools
/mk
$(BOARD
)spl \
161 $(obj
)u-boot-spl.bin
$(obj
)$(BOARD
)-spl.bin
164 $(obj
)u-boot-spl.bin
: $(obj
)u-boot-spl
165 $(OBJCOPY
) $(OBJCFLAGS
) -O binary
$< $@
168 cd
$(obj
) && $(LD
) $(LDFLAGS
) $(LDFLAGS_
$(@F
)) $(__START
) \
169 --start-group
$(__LIBS
) --end-group
$(PLATFORM_LIBS
) \
170 -Map u-boot-spl.map
-o u-boot-spl
172 $(obj
)u-boot-spl
: depend
$(START
) $(LIBS
) $(obj
)u-boot-spl.lds
176 $(MAKE
) -C
$(SRCTREE
)/$(START_PATH
) $@
179 $(MAKE
) -C
$(SRCTREE
)$(dir $(subst $(SPLTREE
),,$@
))
181 # The following line expands into whole rule which generates u-boot.lst,
182 # the file containing u-boots LG-array linker section. This is included into
183 # $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
184 $(eval
$(call make_u_boot_list
, $(obj
)u-boot.lst
, $(LIBS
)))
185 $(obj
)u-boot-spl.lds
: $(LDSCRIPT
) $(obj
)u-boot.lst depend
186 $(CPP
) $(CPPFLAGS
) $(LDPPFLAGS
) -I
$(obj
).
-ansi
-D__ASSEMBLY__
-P
- < $< > $@
188 depend
: $(obj
).depend
191 # defines $(obj).depend target
192 include $(SRCTREE
)/rules.mk