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
:= $(subst ",,$(CONFIG_SPL_START_S_PATH))
42 START_PATH := $(CPUDIR)
45 START := $(START_PATH)/start.o
47 START += $(START_PATH)/start16.o
48 START += $(START_PATH)/resetvec.o
51 START += $(START_PATH)/resetvec.o
54 START += $(START_PATH)/resetvec.o
57 LIBS-y += arch/$(ARCH)/lib/
62 LIBS-y += $(CPUDIR)/$(SOC)/
64 LIBS-y += board/$(BOARDDIR)/
65 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
67 LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/
68 LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
69 LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
70 LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
71 LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
72 LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
73 LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
74 LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
75 LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
76 LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/
77 LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
78 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ \
80 LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/
81 LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
82 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
83 LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
84 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/
85 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
86 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
87 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
88 LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
89 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
90 LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
92 ifneq (,$(CONFIG_MX23)$(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 ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
100 LIBS-y += arch/$(ARCH)/imx-common/
103 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
106 ifeq ("$(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 build
:= -f
$(TOPDIR
)/scripts
/Makefile.build
-C
138 # Special flags for CPP when processing the linker script.
139 # Pass the version down so we can handle backwards compatibility
142 -include $(TOPDIR
)/include/u-boot
/u-boot.lds.h \
143 -include $(OBJTREE
)/include/config.h \
145 $(shell $(LD
) --version | \
146 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
148 $(OBJTREE
)/MLO
: $(obj
)u-boot-spl.bin
149 $(OBJTREE
)/tools
/mkimage
-T omapimage \
150 -a
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
152 $(OBJTREE
)/MLO.byteswap
: $(obj
)u-boot-spl.bin
153 $(OBJTREE
)/tools
/mkimage
-T omapimage
-n byteswap \
154 -a
$(CONFIG_SPL_TEXT_BASE
) -d
$< $@
156 $(OBJTREE
)/SPL
: $(obj
)u-boot-spl.bin depend
157 $(MAKE
) $(build
) $(SRCTREE
)/arch
/arm
/imx-common
$@
159 ALL-y
+= $(obj
)$(SPL_BIN
).bin
162 ALL-y
+= $(obj
)$(BOARD
)-spl.bin
168 $(obj
)$(BOARD
)-spl.bin
: $(obj
)u-boot-spl.bin
169 $(OBJTREE
)/tools
/mk
$(BOARD
)spl \
170 $(obj
)u-boot-spl.bin
$(obj
)$(BOARD
)-spl.bin
173 $(obj
)$(SPL_BIN
).bin
: $(obj
)$(SPL_BIN
)
174 $(OBJCOPY
) $(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