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.
17 include $(srctree
)/scripts
/Kbuild.
include
20 export CONFIG_SPL_BUILD
22 ifeq ($(CONFIG_TPL_BUILD
),y
)
23 export CONFIG_TPL_BUILD
29 include $(TOPDIR
)/config.mk
31 # We want the final binaries in this directory
32 ifeq ($(CONFIG_TPL_BUILD
),y
)
33 obj
:= $(OBJTREE
)/tpl
/
36 obj
:= $(OBJTREE
)/spl
/
39 HAVE_VENDOR_COMMON_LIB
= $(if
$(wildcard $(SRCTREE
)/board
/$(VENDOR
)/common
/Makefile
),y
,n
)
41 ifdef CONFIG_SPL_START_S_PATH
42 START_PATH
:= $(CONFIG_SPL_START_S_PATH
:"%"=%)
44 START_PATH
:= $(CPUDIR
)
47 head-y
:= $(START_PATH
)/start.o
48 head-
$(CONFIG_X86
) += $(START_PATH
)/start16.o
$(START_PATH
)/resetvec.o
49 head-
$(CONFIG_4xx
) += $(START_PATH
)/resetvec.o
50 head-
$(CONFIG_MPC85xx
) += $(START_PATH
)/resetvec.o
52 LIBS-y
+= arch
/$(ARCH
)/lib
/
57 LIBS-y
+= $(CPUDIR
)/$(SOC
)/
59 LIBS-y
+= board
/$(BOARDDIR
)/
60 LIBS-
$(HAVE_VENDOR_COMMON_LIB
) += board
/$(VENDOR
)/common
/
62 LIBS-
$(CONFIG_SPL_FRAMEWORK
) += common
/spl
/
63 LIBS-
$(CONFIG_SPL_LIBCOMMON_SUPPORT
) += common
/
64 LIBS-
$(CONFIG_SPL_LIBDISK_SUPPORT
) += disk
/
65 LIBS-
$(CONFIG_SPL_I2C_SUPPORT
) += drivers
/i2c
/
66 LIBS-
$(CONFIG_SPL_GPIO_SUPPORT
) += drivers
/gpio
/
67 LIBS-
$(CONFIG_SPL_MMC_SUPPORT
) += drivers
/mmc
/
68 LIBS-
$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
) += drivers
/ddr
/fsl
/
69 LIBS-
$(CONFIG_SPL_SERIAL_SUPPORT
) += drivers
/serial
/
70 LIBS-
$(CONFIG_SPL_SPI_FLASH_SUPPORT
) += drivers
/mtd
/spi
/
71 LIBS-
$(CONFIG_SPL_SPI_SUPPORT
) += drivers
/spi
/
73 LIBS-
$(CONFIG_SPL_LIBGENERIC_SUPPORT
) += lib
/
74 LIBS-
$(CONFIG_SPL_POWER_SUPPORT
) += drivers
/power
/ \
76 LIBS-
$(if
$(CONFIG_CMD_NAND
),$(CONFIG_SPL_NAND_SUPPORT
)) += drivers
/mtd
/nand
/
77 LIBS-
$(CONFIG_SPL_DRIVERS_MISC_SUPPORT
) += drivers
/misc
/
78 LIBS-
$(CONFIG_SPL_ONENAND_SUPPORT
) += drivers
/mtd
/onenand
/
79 LIBS-
$(CONFIG_SPL_DMA_SUPPORT
) += drivers
/dma
/
80 LIBS-
$(CONFIG_SPL_POST_MEM_SUPPORT
) += post
/drivers
/
81 LIBS-
$(CONFIG_SPL_NET_SUPPORT
) += net
/
82 LIBS-
$(CONFIG_SPL_ETH_SUPPORT
) += drivers
/net
/
83 LIBS-
$(CONFIG_SPL_ETH_SUPPORT
) += drivers
/net
/phy
/
84 LIBS-
$(CONFIG_SPL_USBETH_SUPPORT
) += drivers
/net
/phy
/
85 LIBS-
$(CONFIG_SPL_MUSB_NEW_SUPPORT
) += drivers
/usb
/musb-new
/
86 LIBS-
$(CONFIG_SPL_USBETH_SUPPORT
) += drivers
/usb
/gadget
/
87 LIBS-
$(CONFIG_SPL_WATCHDOG_SUPPORT
) += drivers
/watchdog
/
88 LIBS-
$(CONFIG_SPL_USB_HOST_SUPPORT
) += drivers
/usb
/host
/
89 LIBS-
$(CONFIG_OMAP_USB_PHY
) += drivers
/usb
/phy
/
90 LIBS-
$(CONFIG_SPL_SATA_SUPPORT
) += drivers
/block
/
92 ifneq (,$(CONFIG_MX23
)$(CONFIG_MX35
)$(filter $(SOC
), mx25 mx27 mx5 mx6 mx31 mx35
))
93 LIBS-y
+= arch
/$(ARCH
)/imx-common
/
96 LIBS-
$(CONFIG_ARM
) += arch
/arm
/cpu
/
97 LIBS-
$(CONFIG_PPC
) += arch
/powerpc
/cpu
/
99 LIBS-y
:= $(patsubst %/, %/built-in.o
, $(LIBS-y
))
102 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
103 PLATFORM_LIBGCC
= $(SPLTREE
)/arch
/$(ARCH
)/lib
/libgcc.o
104 PLATFORM_LIBS
:= $(filter-out %/libgcc.o
, $(filter-out -lgcc
, $(PLATFORM_LIBS
))) $(PLATFORM_LIBGCC
)
107 START
:= $(addprefix $(SPLTREE
)/,$(head-y
))
108 LIBS
:= $(addprefix $(SPLTREE
)/,$(sort $(LIBS-y
)))
110 __START
:= $(subst $(obj
),,$(START
))
111 __LIBS
:= $(subst $(obj
),,$(LIBS
))
114 ifdef CONFIG_SPL_LDSCRIPT
115 # need to strip off double quotes
116 LDSCRIPT
:= $(addprefix $(SRCTREE
)/,$(CONFIG_SPL_LDSCRIPT
:"%"=%))
119 ifeq ($(wildcard $(LDSCRIPT
)),)
120 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot-spl.lds
122 ifeq ($(wildcard $(LDSCRIPT
)),)
123 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot-spl.lds
125 ifeq ($(wildcard $(LDSCRIPT
)),)
126 LDSCRIPT
:= $(TOPDIR
)/arch
/$(ARCH
)/cpu
/u-boot-spl.lds
128 ifeq ($(wildcard $(LDSCRIPT
)),)
129 $(error could not find linker script
)
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 $(if
$(wildcard $(OBJTREE
)/spl
/board
/samsung
/$(BOARD
)/tools
/mk
$(BOARD
)spl
),\
169 $(OBJTREE
)/spl
/board
/samsung
/$(BOARD
)/tools
/mk
$(BOARD
)spl
,\
170 $(OBJTREE
)/tools
/mkexynosspl
) $(VAR_SIZE_PARAM
) $< $@
173 $(obj
)$(SPL_BIN
).bin
: $(obj
)$(SPL_BIN
)
174 $(OBJCOPY
) $(OBJCFLAGS
) $(SPL_OBJCFLAGS
) -O binary
$< $@
177 cd
$(obj
) && $(LD
) $(LDFLAGS
) $(LDFLAGS_
$(@F
)) $(__START
) \
178 --start-group
$(__LIBS
) --end-group
$(PLATFORM_LIBS
) \
179 -Map
$(SPL_BIN
).map
-o
$(SPL_BIN
)
181 $(obj
)$(SPL_BIN
): depend
$(START
) $(LIBS
) $(obj
)u-boot-spl.lds
188 $(MAKE
) $(build
) $(SRCTREE
)$(dir $(subst $(SPLTREE
),,$@
))
190 $(obj
)u-boot-spl.lds
: $(LDSCRIPT
) depend
191 $(CPP
) $(CPPFLAGS
) $(LDPPFLAGS
) -I
$(obj
).
-ansi
-D__ASSEMBLY__
-P
- < $< > $@
193 depend
: $(obj
).depend
196 # defines $(obj).depend target
197 include $(SRCTREE
)/rules.mk