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 # SPDX-License-Identifier: GPL-2.0+
14 # Based on top-level Makefile.
18 export CONFIG_SPL_BUILD
20 include $(TOPDIR)/config.mk
22 # We want the final binaries in this directory
23 obj := $(OBJTREE)/spl/
25 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
27 ifdef CONFIG_SPL_START_S_PATH
28 START_PATH := $(subst ",,$(CONFIG_SPL_START_S_PATH))
30 START_PATH := $(CPUDIR)
33 START := $(START_PATH)/start.o
35 START += $(START_PATH)/start16.o
36 START += $(START_PATH)/resetvec.o
39 START += $(START_PATH)/resetvec.o
42 START += $(START_PATH)/resetvec.o
45 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
47 LIBS-y += $(CPUDIR)/lib$(CPU).o
49 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
52 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
55 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
59 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
61 LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
62 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
64 LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/libspl.o
65 LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o
66 LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o
67 LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o
68 LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o
69 LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o
70 LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o
71 LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o
72 LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
73 LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
74 LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
75 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
76 LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
77 LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o
78 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
79 LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o
80 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
81 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
82 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
83 LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/libusb_musb-new.o
84 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/libusb_gadget.o
85 LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/libwatchdog.o
87 ifneq ($(CONFIG_OMAP_COMMON),)
88 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
91 ifneq (,$(CONFIG_MX23)$(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)$(CONFIG_MX35),)
102 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
106 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
110 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
111 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
112 PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
115 START := $(addprefix $(SPLTREE)/,$(START))
116 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
118 __START := $(subst $(obj),,$(START))
119 __LIBS := $(subst $(obj),,$(LIBS))
122 ifdef CONFIG_SPL_LDSCRIPT
123 # need to strip off double quotes
124 LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
127 ifeq ($(wildcard $(LDSCRIPT)),)
128 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
130 ifeq ($(wildcard $(LDSCRIPT)),)
131 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
133 ifeq ($(wildcard $(LDSCRIPT)),)
134 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
136 ifeq ($(wildcard $(LDSCRIPT)),)
137 $(error could not find linker script)
140 # Special flags for CPP when processing the linker script.
141 # Pass the version down so we can handle backwards compatibility
144 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
145 -include $(OBJTREE)/include/config.h \
147 $(shell $(LD) --version | \
148 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
150 $(OBJTREE)/MLO: $(obj)u-boot-spl.bin
151 $(OBJTREE)/tools/mkimage -T omapimage \
152 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
154 $(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin
155 $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
156 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
158 $(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend
159 $(MAKE) -C $(SRCTREE)/arch/arm/imx-common $@
161 ALL-y += $(obj)u-boot-spl.bin
164 ALL-y += $(obj)$(BOARD)-spl.bin
170 $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
171 $(OBJTREE)/tools/mk$(BOARD)spl \
172 $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
175 $(obj)u-boot-spl.bin: $(obj)u-boot-spl
176 $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
179 cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
180 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
181 -Map u-boot-spl.map -o u-boot-spl
183 $(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds
187 $(MAKE) -C $(SRCTREE)/$(START_PATH) $@
190 $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
192 $(obj)u-boot-spl.lds: $(LDSCRIPT) depend
193 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
195 depend: $(obj).depend
198 # defines $(obj).depend target
199 include $(SRCTREE)/rules.mk