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-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
84 LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/libusb_musb-new.o
85 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/libusb_gadget.o
87 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),)
88 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
91 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
92 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
95 ifneq ($(CONFIG_TEGRA),)
96 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
97 LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
98 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
101 ifneq ($(CONFIG_MX23),)
102 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
106 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
107 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
108 PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
111 START := $(addprefix $(SPLTREE)/,$(START))
112 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
114 __START := $(subst $(obj),,$(START))
115 __LIBS := $(subst $(obj),,$(LIBS))
118 ifdef CONFIG_SPL_LDSCRIPT
119 # need to strip off double quotes
120 LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
123 ifeq ($(wildcard $(LDSCRIPT)),)
124 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
126 ifeq ($(wildcard $(LDSCRIPT)),)
127 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
129 ifeq ($(wildcard $(LDSCRIPT)),)
130 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
132 ifeq ($(wildcard $(LDSCRIPT)),)
133 $(error could not find linker script)
136 # Special flags for CPP when processing the linker script.
137 # Pass the version down so we can handle backwards compatibility
140 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
141 -include $(OBJTREE)/include/config.h \
143 $(shell $(LD) --version | \
144 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
146 $(OBJTREE)/MLO: $(obj)u-boot-spl.bin
147 $(OBJTREE)/tools/mkimage -T omapimage \
148 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
150 $(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin
151 $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
152 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
154 $(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend
155 $(MAKE) -C $(SRCTREE)/arch/arm/imx-common $@
157 ALL-y += $(obj)u-boot-spl.bin
160 ALL-y += $(obj)$(BOARD)-spl.bin
166 $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
167 $(OBJTREE)/tools/mk$(BOARD)spl \
168 $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
171 $(obj)u-boot-spl.bin: $(obj)u-boot-spl
172 $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
175 cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
176 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
177 -Map u-boot-spl.map -o u-boot-spl
179 $(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds
183 $(MAKE) -C $(SRCTREE)/$(START_PATH) $@
186 $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
188 $(obj)u-boot-spl.lds: $(LDSCRIPT) depend
189 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
191 depend: $(obj).depend
194 # defines $(obj).depend target
195 include $(SRCTREE)/rules.mk