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 START := $(CPUDIR)/start.o
31 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
32 LIBS-y += $(CPUDIR)/lib$(CPU).o
34 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
36 LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
37 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
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
51 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
54 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
57 START := $(addprefix $(SPLTREE)/,$(START))
58 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
60 __START := $(subst $(obj),,$(START))
61 __LIBS := $(subst $(obj),,$(LIBS))
64 ifdef CONFIG_SPL_LDSCRIPT
65 # need to strip off double quotes
66 LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
69 ifeq ($(wildcard $(LDSCRIPT)),)
70 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
72 ifeq ($(wildcard $(LDSCRIPT)),)
73 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
75 ifeq ($(wildcard $(LDSCRIPT)),)
76 $(error could not find linker script)
79 # Special flags for CPP when processing the linker script.
80 # Pass the version down so we can handle backwards compatibility
83 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
84 -include $(OBJTREE)/include/config.h \
85 $(shell $(LD) --version | \
86 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
89 $(OBJTREE)/MLO: $(obj)u-boot-spl.bin
90 $(OBJTREE)/tools/mkimage -T omapimage \
91 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
94 ALL-y += $(obj)u-boot-spl.bin
98 $(obj)u-boot-spl.bin: $(obj)u-boot-spl
99 $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
102 UNDEF_SYM=`$(OBJDUMP) -x $(LIBS) | \
103 sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
104 cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__START) \
105 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
106 -Map u-boot-spl.map -o u-boot-spl
108 $(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds
112 $(MAKE) -C $(SRCTREE)/$(CPUDIR) $@
115 $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
117 $(obj)u-boot-spl.lds: $(LDSCRIPT) depend
118 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - < $< > $@
120 depend: $(obj).depend
123 # defines $(obj).depend target
124 include $(SRCTREE)/rules.mk