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.
19 # Create output directory if not already present
20 _dummy
:= $(shell [ -d
$(obj
) ] || mkdir
-p
$(obj
))
22 include $(srctree
)/scripts
/Kbuild.
include
25 export CONFIG_SPL_BUILD
27 KBUILD_CPPFLAGS
+= -DCONFIG_SPL_BUILD
28 ifeq ($(CONFIG_TPL_BUILD
),y
)
29 KBUILD_CPPFLAGS
+= -DCONFIG_TPL_BUILD
32 ifeq ($(CONFIG_TPL_BUILD
),y
)
33 export CONFIG_TPL_BUILD
39 include include/config.mk
41 ifeq ($(CONFIG_TPL_BUILD
),y
)
42 -include include/tpl-autoconf.mk
44 -include include/spl-autoconf.mk
47 include $(srctree
)/config.mk
49 # Enable garbage collection of un-used sections for SPL
50 KBUILD_CFLAGS
+= -ffunction-sections
-fdata-sections
51 LDFLAGS_FINAL
+= --gc-sections
54 cpp_flags
:= $(KBUILD_CPPFLAGS
) $(PLATFORM_CPPFLAGS
) $(UBOOTINCLUDE
) \
56 c_flags
:= $(KBUILD_CFLAGS
) $(cpp_flags
)
58 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
59 quiet_cmd_autoconf
= GEN
$@
61 $(CPP
) $(c_flags
) -DDO_DEPS_ONLY
-dM
$(srctree
)/include/common.h
> $@.tmp
&& \
62 sed
-n
-f
$(srctree
)/tools
/scripts
/define2mk.sed
$@.tmp
> $@
; \
65 include/tpl-autoconf.mk
: include/config.h
68 include/spl-autoconf.mk
: include/config.h
71 HAVE_VENDOR_COMMON_LIB
= $(if
$(wildcard $(srctree
)/board
/$(VENDOR
)/common
/Makefile
),y
,n
)
73 ifdef CONFIG_SPL_START_S_PATH
74 START_PATH
:= $(CONFIG_SPL_START_S_PATH
:"%"=%)
76 START_PATH
:= $(CPUDIR
)
79 head-y
:= $(START_PATH
)/start.o
80 head-
$(CONFIG_X86
) += $(START_PATH
)/start16.o
$(START_PATH
)/resetvec.o
81 head-
$(CONFIG_4xx
) += $(START_PATH
)/resetvec.o
82 head-
$(CONFIG_MPC85xx
) += $(START_PATH
)/resetvec.o
84 libs-y
+= arch
/$(ARCH
)/lib
/
89 libs-y
+= $(CPUDIR
)/$(SOC
)/
91 libs-y
+= $(if
$(BOARDDIR
),board
/$(BOARDDIR
)/)
92 libs-
$(HAVE_VENDOR_COMMON_LIB
) += board
/$(VENDOR
)/common
/
94 libs-
$(CONFIG_SPL_FRAMEWORK
) += common
/spl
/
95 libs-
$(CONFIG_SPL_LIBCOMMON_SUPPORT
) += common
/
96 libs-
$(CONFIG_SPL_LIBDISK_SUPPORT
) += disk
/
97 libs-
$(CONFIG_SPL_I2C_SUPPORT
) += drivers
/i2c
/
98 libs-
$(CONFIG_SPL_GPIO_SUPPORT
) += drivers
/gpio
/
99 libs-
$(CONFIG_SPL_MMC_SUPPORT
) += drivers
/mmc
/
100 libs-
$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
) += drivers
/ddr
/fsl
/
101 libs-
$(CONFIG_SPL_SERIAL_SUPPORT
) += drivers
/serial
/
102 libs-
$(CONFIG_SPL_SPI_FLASH_SUPPORT
) += drivers
/mtd
/spi
/
103 libs-
$(CONFIG_SPL_SPI_SUPPORT
) += drivers
/spi
/
105 libs-
$(CONFIG_SPL_LIBGENERIC_SUPPORT
) += lib
/
106 libs-
$(CONFIG_SPL_POWER_SUPPORT
) += drivers
/power
/ drivers
/power
/pmic
/
107 libs-
$(CONFIG_SPL_MTD_SUPPORT
) += drivers
/mtd
/
108 libs-
$(if
$(CONFIG_CMD_NAND
),$(CONFIG_SPL_NAND_SUPPORT
)) += drivers
/mtd
/nand
/
109 libs-
$(CONFIG_SPL_DRIVERS_MISC_SUPPORT
) += drivers
/misc
/
110 libs-
$(CONFIG_SPL_ONENAND_SUPPORT
) += drivers
/mtd
/onenand
/
111 libs-
$(CONFIG_SPL_DMA_SUPPORT
) += drivers
/dma
/
112 libs-
$(CONFIG_SPL_POST_MEM_SUPPORT
) += post
/drivers
/
113 libs-
$(CONFIG_SPL_NET_SUPPORT
) += net
/
114 libs-
$(CONFIG_SPL_ETH_SUPPORT
) += drivers
/net
/
115 libs-
$(CONFIG_SPL_ETH_SUPPORT
) += drivers
/net
/phy
/
116 libs-
$(CONFIG_SPL_USBETH_SUPPORT
) += drivers
/net
/phy
/
117 libs-
$(CONFIG_SPL_MUSB_NEW_SUPPORT
) += drivers
/usb
/musb-new
/
118 libs-
$(CONFIG_SPL_USBETH_SUPPORT
) += drivers
/usb
/gadget
/
119 libs-
$(CONFIG_SPL_WATCHDOG_SUPPORT
) += drivers
/watchdog
/
120 libs-
$(CONFIG_SPL_USB_HOST_SUPPORT
) += drivers
/usb
/host
/
121 libs-
$(CONFIG_OMAP_USB_PHY
) += drivers
/usb
/phy
/
122 libs-
$(CONFIG_SPL_SATA_SUPPORT
) += drivers
/block
/
124 ifneq (,$(CONFIG_MX23
)$(CONFIG_MX35
)$(filter $(SOC
), mx25 mx27 mx5 mx6 mx31 mx35
))
125 libs-y
+= arch
/$(ARCH
)/imx-common
/
128 libs-
$(CONFIG_ARM
) += arch
/arm
/cpu
/
129 libs-
$(CONFIG_PPC
) += arch
/powerpc
/cpu
/
131 head-y
:= $(addprefix $(obj
)/,$(head-y
))
132 libs-y
:= $(addprefix $(obj
)/,$(libs-y
))
133 u-boot-spl-dirs
:= $(patsubst %/,%,$(filter %/, $(libs-y
)))
135 libs-y
:= $(patsubst %/, %/built-in.o
, $(libs-y
))
138 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC
),y
)
139 PLATFORM_LIBGCC
= arch
/$(ARCH
)/lib
/lib.a
140 PLATFORM_LIBS
:= $(filter-out %/lib.a
, $(filter-out -lgcc
, $(PLATFORM_LIBS
))) $(PLATFORM_LIBGCC
)
143 u-boot-spl-init
:= $(head-y
)
144 u-boot-spl-main
:= $(libs-y
)
147 ifdef CONFIG_SPL_LDSCRIPT
148 # need to strip off double quotes
149 LDSCRIPT
:= $(addprefix $(srctree
)/,$(CONFIG_SPL_LDSCRIPT
:"%"=%))
152 ifeq ($(wildcard $(LDSCRIPT
)),)
153 LDSCRIPT
:= $(srctree
)/board
/$(BOARDDIR
)/u-boot-spl.lds
155 ifeq ($(wildcard $(LDSCRIPT
)),)
156 LDSCRIPT
:= $(srctree
)/$(CPUDIR
)/u-boot-spl.lds
158 ifeq ($(wildcard $(LDSCRIPT
)),)
159 LDSCRIPT
:= $(srctree
)/arch
/$(ARCH
)/cpu
/u-boot-spl.lds
161 ifeq ($(wildcard $(LDSCRIPT
)),)
162 $(error could not find linker script
)
165 # Special flags for CPP when processing the linker script.
166 # Pass the version down so we can handle backwards compatibility
169 -include $(srctree
)/include/u-boot
/u-boot.lds.h \
170 -include $(objtree
)/include/config.h \
172 $(shell $(LD
) --version | \
173 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
175 quiet_cmd_mkimage
= MKIMAGE
$@
176 cmd_mkimage
= $(objtree
)/tools
/mkimage
$(MKIMAGEFLAGS_
$(@F
)) -d
$< $@ \
177 $(if
$(KBUILD_VERBOSE
:1=), >/dev
/null
)
179 MKIMAGEFLAGS_MLO
= -T omapimage
-a
$(CONFIG_SPL_TEXT_BASE
)
181 MKIMAGEFLAGS_MLO.byteswap
= -T omapimage
-n byteswap
-a
$(CONFIG_SPL_TEXT_BASE
)
183 MLO MLO.byteswap
: $(obj
)/u-boot-spl.bin
184 $(call if_changed
,mkimage
)
186 MKIMAGEFLAGS_boot.bin
= -T atmelimage
188 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
),y
)
189 MKIMAGEFLAGS_boot.bin
+= -n
$(shell $(obj
)/..
/tools
/atmel_pmecc_params
)
191 boot.bin
: $(obj
)/..
/tools
/atmel_pmecc_params
194 boot.bin
: $(obj
)/u-boot-spl.bin
195 $(call if_changed
,mkimage
)
197 ALL-y
+= $(obj
)/$(SPL_BIN
).bin
200 ALL-y
+= $(obj
)/$(BOARD
)-spl.bin
204 ifndef CONFIG_SPL_FEL
205 ALL-y
+= $(obj
)/sunxi-spl.bin
212 ifdef CONFIG_VAR_SIZE_SPL
213 VAR_SIZE_PARAM
= --vs
217 $(obj
)/$(BOARD
)-spl.bin
: $(obj
)/u-boot-spl.bin
218 $(if
$(wildcard $(objtree
)/spl
/board
/samsung
/$(BOARD
)/tools
/mk
$(BOARD
)spl
),\
219 $(objtree
)/spl
/board
/samsung
/$(BOARD
)/tools
/mk
$(BOARD
)spl
,\
220 $(objtree
)/tools
/mkexynosspl
) $(VAR_SIZE_PARAM
) $< $@
223 quiet_cmd_objcopy
= OBJCOPY
$@
224 cmd_objcopy
= $(OBJCOPY
) $(OBJCOPYFLAGS
) $(OBJCOPYFLAGS_
$(@F
)) $< $@
226 OBJCOPYFLAGS_
$(SPL_BIN
).bin
= $(SPL_OBJCFLAGS
) -O binary
228 $(obj
)/$(SPL_BIN
).bin
: $(obj
)/$(SPL_BIN
) FORCE
229 $(call if_changed
,objcopy
)
231 LDFLAGS_
$(SPL_BIN
) += -T u-boot-spl.lds
$(LDFLAGS_FINAL
)
232 ifneq ($(CONFIG_SPL_TEXT_BASE
),)
233 LDFLAGS_
$(SPL_BIN
) += -Ttext
$(CONFIG_SPL_TEXT_BASE
)
237 quiet_cmd_mksunxiboot
= MKSUNXI
$@
238 cmd_mksunxiboot
= $(objtree
)/tools
/mksunxiboot
$< $@
239 $(obj
)/sunxi-spl.bin
: $(obj
)/$(SPL_BIN
).bin
240 $(call if_changed
,mksunxiboot
)
243 quiet_cmd_u-boot-spl
= LD
$@
244 cmd_u-boot-spl
= cd
$(obj
) && $(LD
) $(LDFLAGS
) $(LDFLAGS_
$(@F
)) \
245 $(patsubst $(obj
)/%,%,$(u-boot-spl-init
)) --start-group \
246 $(patsubst $(obj
)/%,%,$(u-boot-spl-main
)) --end-group \
247 $(PLATFORM_LIBS
) -Map
$(SPL_BIN
).map
-o
$(SPL_BIN
)
249 $(obj
)/$(SPL_BIN
): $(u-boot-spl-init
) $(u-boot-spl-main
) $(obj
)/u-boot-spl.lds
250 $(call cmd
,u-boot-spl
)
252 $(sort $(u-boot-spl-init
) $(u-boot-spl-main
)): $(u-boot-spl-dirs
) ;
254 PHONY
+= $(u-boot-spl-dirs
)
256 $(Q
)$(MAKE
) $(build
)=$@
258 quiet_cmd_cpp_lds
= LDS
$@
259 cmd_cpp_lds
= $(CPP
) -Wp
,-MD
,$(depfile
) $(cpp_flags
) $(LDPPFLAGS
) -ansi \
260 -D__ASSEMBLY__
-x assembler-with-cpp
-P
-o
$@
$<
262 $(obj
)/u-boot-spl.lds
: $(LDSCRIPT
) FORCE
263 $(call if_changed_dep
,cpp_lds
)
265 # read all saved command lines
267 targets
:= $(wildcard $(sort $(targets
)))
268 cmd_files
:= $(wildcard $(obj
)/.
*.cmd
$(foreach f
,$(targets
),$(dir $(f
)).
$(notdir $(f
)).cmd
))
270 ifneq ($(cmd_files
),)
271 $(cmd_files
): ; # Do not try to update included dependency files
278 # Declare the contents of the .PHONY variable as phony. We keep that
279 # information in a variable so we can use it in if_changed and friends.