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_ONENAND_SUPPORT
) += drivers
/mtd
/onenand
/
76 LIBS-
$(CONFIG_SPL_DMA_SUPPORT
) += drivers
/dma
/
77 LIBS-
$(CONFIG_SPL_POST_MEM_SUPPORT
) += post
/drivers
/
78 LIBS-
$(CONFIG_SPL_NET_SUPPORT
) += net
/
79 LIBS-
$(CONFIG_SPL_ETH_SUPPORT
) += drivers
/net
/
80 LIBS-
$(CONFIG_SPL_ETH_SUPPORT
) += drivers
/net
/phy
/
81 LIBS-
$(CONFIG_SPL_USBETH_SUPPORT
) += drivers
/net
/phy
/
82 LIBS-
$(CONFIG_SPL_MUSB_NEW_SUPPORT
) += drivers
/usb
/musb-new
/
83 LIBS-
$(CONFIG_SPL_USBETH_SUPPORT
) += drivers
/usb
/gadget
/
84 LIBS-
$(CONFIG_SPL_WATCHDOG_SUPPORT
) += drivers
/watchdog
/
86 ifneq (,$(CONFIG_MX23
)$(CONFIG_MX35
)$(filter $(SOC
), mx25 mx27 mx5 mx6 mx31 mx35
))
87 LIBS-y
+= arch
/$(ARCH
)/imx-common
/
90 LIBS-
$(CONFIG_ARM
) += arch
/arm
/cpu
/
91 LIBS-
$(CONFIG_PPC
) += arch
/powerpc
/cpu
/
93 LIBS-y
:= $(patsubst %/, %/built-in.o
, $(LIBS-y
))
96 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
97 PLATFORM_LIBGCC
= $(SPLTREE
)/arch
/$(ARCH
)/lib
/libgcc.o
98 PLATFORM_LIBS
:= $(filter-out %/libgcc.o
, $(filter-out -lgcc
, $(PLATFORM_LIBS
))) $(PLATFORM_LIBGCC
)
101 START
:= $(addprefix $(SPLTREE
)/,$(head-y
))
102 LIBS
:= $(addprefix $(SPLTREE
)/,$(sort $(LIBS-y
)))
104 __START
:= $(subst $(obj
),,$(START
))
105 __LIBS
:= $(subst $(obj
),,$(LIBS
))
108 ifdef CONFIG_SPL_LDSCRIPT
109 # need to strip off double quotes
110 LDSCRIPT
:= $(addprefix $(SRCTREE
)/,$(CONFIG_SPL_LDSCRIPT
:"%"=%))
113 ifeq ($(wildcard $(LDSCRIPT
)),)
114 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot-spl.lds
116 ifeq ($(wildcard $(LDSCRIPT
)),)
117 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot-spl.lds
119 ifeq ($(wildcard $(LDSCRIPT
)),)
120 LDSCRIPT
:= $(TOPDIR
)/arch
/$(ARCH
)/cpu
/u-boot-spl.lds
122 ifeq ($(wildcard $(LDSCRIPT
)),)
123 $(error could not find linker script
)
126 build
:= -f
$(TOPDIR
)/scripts
/Makefile.build
-C
128 # Special flags for CPP when processing the linker script.
129 # Pass the version down so we can handle backwards compatibility
132 -include $(TOPDIR
)/include/u-boot
/u-boot.lds.h \
133 -include $(OBJTREE
)/include/config.h \
135 $(shell $(LD
) --version | \
136 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
138 $(OBJTREE
)/MLO
: $(obj
)u-boot-spl.bin
139 $(OBJTREE
)/tools
/mkimage
-T omapimage \
140 -a
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
142 $(OBJTREE
)/MLO.byteswap
: $(obj
)u-boot-spl.bin
143 $(OBJTREE
)/tools
/mkimage
-T omapimage
-n byteswap \
144 -a
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
146 $(OBJTREE
)/SPL
: $(obj
)u-boot-spl.bin depend
147 $(MAKE
) $(build
) $(SRCTREE
)/arch
/arm
/imx-common
$@
149 ALL-y
+= $(obj
)$(SPL_BIN
).bin
152 ALL-y
+= $(obj
)$(BOARD
)-spl.bin
158 $(obj
)$(BOARD
)-spl.bin
: $(obj
)u-boot-spl.bin
159 $(OBJTREE
)/tools
/mk
$(BOARD
)spl
$< $@
162 $(obj
)$(SPL_BIN
).bin
: $(obj
)$(SPL_BIN
)
163 $(OBJCOPY
) $(OBJCFLAGS
) -O binary
$< $@
166 cd
$(obj
) && $(LD
) $(LDFLAGS
) $(LDFLAGS_
$(@F
)) $(__START
) \
167 --start-group
$(__LIBS
) --end-group
$(PLATFORM_LIBS
) \
168 -Map
$(SPL_BIN
).map
-o
$(SPL_BIN
)
170 $(obj
)$(SPL_BIN
): depend
$(START
) $(LIBS
) $(obj
)u-boot-spl.lds
177 $(MAKE
) $(build
) $(SRCTREE
)$(dir $(subst $(SPLTREE
),,$@
))
179 $(obj
)u-boot-spl.lds
: $(LDSCRIPT
) depend
180 $(CPP
) $(CPPFLAGS
) $(LDPPFLAGS
) -I
$(obj
).
-ansi
-D__ASSEMBLY__
-P
- < $< > $@
182 depend
: $(obj
).depend
185 # defines $(obj).depend target
186 include $(SRCTREE
)/rules.mk