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 ifeq ($(CONFIG_TPL_BUILD),y)
21 export CONFIG_TPL_BUILD
27 include $(TOPDIR)/config.mk
29 # We want the final binaries in this directory
30 ifeq ($(CONFIG_TPL_BUILD),y)
31 obj := $(OBJTREE)/tpl/
34 obj := $(OBJTREE)/spl/
37 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
39 ifdef CONFIG_SPL_START_S_PATH
40 START_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%)
42 START_PATH := $(CPUDIR)
45 head-y := $(START_PATH)/start.o
46 head-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o
47 head-$(CONFIG_4xx) += $(START_PATH)/resetvec.o
48 head-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o
50 LIBS-y += arch/$(ARCH)/lib/
55 LIBS-y += $(CPUDIR)/$(SOC)/
57 LIBS-y += board/$(BOARDDIR)/
58 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
60 LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/
61 LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
62 LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
63 LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
64 LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
65 LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
66 LIBS-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/
67 LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
68 LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
69 LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
71 LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
72 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ \
74 LIBS-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/
75 LIBS-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
76 LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
77 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
78 LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
79 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/
80 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
81 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
82 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
83 LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
84 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
85 LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
86 LIBS-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
87 LIBS-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
88 LIBS-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
90 ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
91 LIBS-y += arch/$(ARCH)/imx-common/
94 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
95 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
97 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
100 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
101 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
102 PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
105 START := $(addprefix $(SPLTREE)/,$(head-y))
106 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
108 __START := $(subst $(obj),,$(START))
109 __LIBS := $(subst $(obj),,$(LIBS))
112 ifdef CONFIG_SPL_LDSCRIPT
113 # need to strip off double quotes
114 LDSCRIPT := $(addprefix $(SRCTREE)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
117 ifeq ($(wildcard $(LDSCRIPT)),)
118 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
120 ifeq ($(wildcard $(LDSCRIPT)),)
121 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
123 ifeq ($(wildcard $(LDSCRIPT)),)
124 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
126 ifeq ($(wildcard $(LDSCRIPT)),)
127 $(error could not find linker script)
130 build := -f $(TOPDIR)/scripts/Makefile.build -C
132 # Special flags for CPP when processing the linker script.
133 # Pass the version down so we can handle backwards compatibility
136 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
137 -include $(OBJTREE)/include/config.h \
139 $(shell $(LD) --version | \
140 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
142 $(OBJTREE)/MLO: $(obj)u-boot-spl.bin
143 $(OBJTREE)/tools/mkimage -T omapimage \
144 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
146 $(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin
147 $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
148 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
150 $(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend
151 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $@
153 ALL-y += $(obj)$(SPL_BIN).bin
156 ALL-y += $(obj)$(BOARD)-spl.bin
162 ifdef CONFIG_VAR_SIZE_SPL
163 VAR_SIZE_PARAM = --vs
167 $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
168 $(OBJTREE)/tools/mk$(BOARD)spl $(VAR_SIZE_PARAM) $< $@
171 $(obj)$(SPL_BIN).bin: $(obj)$(SPL_BIN)
172 $(OBJCOPY) $(OBJCFLAGS) $(SPL_OBJCFLAGS) -O binary $< $@
175 cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
176 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
177 -Map $(SPL_BIN).map -o $(SPL_BIN)
179 $(obj)$(SPL_BIN): depend $(START) $(LIBS) $(obj)u-boot-spl.lds
186 $(MAKE) $(build) $(SRCTREE)$(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