Makefile.spl 15 KB

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  1. # SPDX-License-Identifier: GPL-2.0+
  2. #
  3. # (C) Copyright 2000-2011
  4. # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  5. #
  6. # (C) Copyright 2011
  7. # Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
  8. #
  9. # (C) Copyright 2011
  10. # Texas Instruments Incorporated - http://www.ti.com/
  11. # Aneesh V <aneesh@ti.com>
  12. # Based on top-level Makefile.
  13. #
  14. src := $(obj)
  15. # Create output directory if not already present
  16. _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
  17. include $(srctree)/scripts/Kbuild.include
  18. -include include/config/auto.conf
  19. -include $(obj)/include/autoconf.mk
  20. UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
  21. KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
  22. ifeq ($(CONFIG_TPL_BUILD),y)
  23. KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
  24. endif
  25. ifeq ($(CONFIG_TPL_BUILD),y)
  26. SPL_BIN := u-boot-tpl
  27. else
  28. SPL_BIN := u-boot-spl
  29. endif
  30. ifdef CONFIG_SPL_BUILD
  31. SPL_ := SPL_
  32. ifeq ($(CONFIG_TPL_BUILD),y)
  33. SPL_TPL_ := TPL_
  34. else
  35. SPL_TPL_ := SPL_
  36. endif
  37. else
  38. SPL_ :=
  39. SPL_TPL_ :=
  40. endif
  41. ifeq ($(obj)$(CONFIG_SUPPORT_SPL),spl)
  42. $(error You cannot build SPL without enabling CONFIG_SUPPORT_SPL)
  43. endif
  44. ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl)
  45. $(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL)
  46. endif
  47. include $(srctree)/config.mk
  48. include $(srctree)/arch/$(ARCH)/Makefile
  49. include $(srctree)/scripts/Makefile.lib
  50. # Enable garbage collection of un-used sections for SPL
  51. KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  52. LDFLAGS_FINAL += --gc-sections
  53. # FIX ME
  54. cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  55. $(NOSTDINC_FLAGS)
  56. c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
  57. HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  58. libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  59. libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  60. ifeq ($(CONFIG_TPL_BUILD),y)
  61. libs-$(CONFIG_TPL_FRAMEWORK) += common/spl/
  62. else
  63. libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  64. endif
  65. libs-y += common/init/
  66. # Special handling for a few options which support SPL/TPL
  67. ifeq ($(CONFIG_TPL_BUILD),y)
  68. libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
  69. libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
  70. else
  71. libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
  72. libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  73. ifdef CONFIG_SPL_FRAMEWORK
  74. libs-$(CONFIG_PARTITIONS) += disk/
  75. endif
  76. endif
  77. libs-y += drivers/
  78. libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/
  79. libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/cdns3/
  80. libs-y += dts/
  81. libs-y += fs/
  82. libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
  83. libs-$(CONFIG_SPL_NET_SUPPORT) += net/
  84. libs-$(CONFIG_SPL_UNIT_TEST) += test/
  85. head-y := $(addprefix $(obj)/,$(head-y))
  86. libs-y := $(addprefix $(obj)/,$(libs-y))
  87. u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
  88. libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
  89. # Add GCC lib
  90. ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
  91. PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
  92. PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
  93. endif
  94. u-boot-spl-init := $(head-y)
  95. u-boot-spl-main := $(libs-y)
  96. ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
  97. u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
  98. endif
  99. # Linker Script
  100. # First test whether there's a linker-script for the specific stage defined...
  101. ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
  102. # need to strip off double quotes
  103. LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
  104. else
  105. # ...then fall back to the generic SPL linker-script
  106. ifneq ($(CONFIG_SPL_LDSCRIPT),)
  107. # need to strip off double quotes
  108. LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
  109. endif
  110. endif
  111. ifeq ($(wildcard $(LDSCRIPT)),)
  112. LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
  113. endif
  114. ifeq ($(wildcard $(LDSCRIPT)),)
  115. LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
  116. endif
  117. ifeq ($(wildcard $(LDSCRIPT)),)
  118. LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
  119. endif
  120. ifeq ($(wildcard $(LDSCRIPT)),)
  121. $(error could not find linker script)
  122. endif
  123. # Special flags for CPP when processing the linker script.
  124. # Pass the version down so we can handle backwards compatibility
  125. # on the fly.
  126. LDPPFLAGS += \
  127. -include $(srctree)/include/u-boot/u-boot.lds.h \
  128. -include $(objtree)/include/config.h \
  129. -DCPUDIR=$(CPUDIR) \
  130. $(shell $(LD) --version | \
  131. sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
  132. # Turn various CONFIG symbols into IMAGE symbols for easy reuse of
  133. # the scripts between SPL and TPL.
  134. ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),)
  135. LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
  136. endif
  137. ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
  138. LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE)
  139. endif
  140. MKIMAGEOUTPUT ?= /dev/null
  141. quiet_cmd_mkimage = MKIMAGE $@
  142. cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
  143. >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
  144. quiet_cmd_mkfitimage = MKIMAGE $@
  145. cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
  146. $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
  147. MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
  148. MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
  149. MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
  150. $(call if_changed,mkimage)
  151. ifeq ($(CONFIG_SYS_SOC),"at91")
  152. MKIMAGEFLAGS_boot.bin = -T atmelimage
  153. ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
  154. MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
  155. $(obj)/boot.bin: $(obj)/../tools/atmel_pmecc_params
  156. endif
  157. $(obj)/boot.bin: $(obj)/u-boot-spl.bin FORCE
  158. $(call if_changed,mkimage)
  159. else
  160. ifdef CONFIG_ARCH_ZYNQ
  161. MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
  162. endif
  163. ifdef CONFIG_ARCH_ZYNQMP
  164. ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
  165. spl/boot.bin: zynqmp-check-pmufw
  166. zynqmp-check-pmufw: FORCE
  167. ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
  168. || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
  169. endif
  170. MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
  171. -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
  172. endif
  173. $(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
  174. @dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
  175. spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
  176. $(call if_changed,mkimage)
  177. endif
  178. INPUTS-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym
  179. ifdef CONFIG_SAMSUNG
  180. INPUTS-y += $(obj)/$(BOARD)-spl.bin
  181. endif
  182. ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
  183. INPUTS-y += $(obj)/$(SPL_BIN).sfp
  184. endif
  185. ifdef CONFIG_ARCH_SUNXI
  186. INPUTS-y += $(obj)/sunxi-spl.bin
  187. ifdef CONFIG_NAND_SUNXI
  188. INPUTS-y += $(obj)/sunxi-spl-with-ecc.bin
  189. endif
  190. endif
  191. ifeq ($(CONFIG_SYS_SOC),"at91")
  192. INPUTS-y += $(obj)/boot.bin
  193. endif
  194. ifdef CONFIG_TPL_BUILD
  195. INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
  196. $(obj)/u-boot-x86-reset16-tpl.bin
  197. else
  198. INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
  199. $(obj)/u-boot-x86-reset16-spl.bin
  200. endif
  201. INPUTS-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
  202. INPUTS-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
  203. INPUTS-$(CONFIG_ARCH_MEDIATEK) += $(obj)/u-boot-spl-mtk.bin
  204. all: $(INPUTS-y)
  205. quiet_cmd_cat = CAT $@
  206. cmd_cat = cat $(filter-out $(PHONY), $^) > $@
  207. quiet_cmd_copy = COPY $@
  208. cmd_copy = cp $< $@
  209. ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
  210. FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
  211. else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
  212. FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
  213. else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
  214. FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
  215. else
  216. FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
  217. endif
  218. # Build the .dtb file if:
  219. # - we are not using OF_PLATDATA
  220. # - we are using OF_CONTROL
  221. # - we have either OF_SEPARATE or OF_HOSTFILE
  222. build_dtb :=
  223. ifeq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA),)
  224. ifneq ($(CONFIG_$(SPL_TPL_)OF_CONTROL),)
  225. ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_OF_HOSTFILE),y)
  226. build_dtb := y
  227. endif
  228. endif
  229. endif
  230. ifneq ($(build_dtb),)
  231. $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
  232. $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
  233. $(FINAL_DTB_CONTAINER) FORCE
  234. $(call if_changed,cat)
  235. $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
  236. $(call if_changed,copy)
  237. else
  238. $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
  239. $(call if_changed,copy)
  240. endif
  241. # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
  242. $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
  243. @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
  244. dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
  245. $(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
  246. $(call if_changed,copy)
  247. pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
  248. quiet_cmd_dtocc = DTOC C $@
  249. cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
  250. quiet_cmd_dtoch = DTOC H $@
  251. cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
  252. quiet_cmd_plat = PLAT $@
  253. cmd_plat = $(CC) $(c_flags) -c $< -o $(filter-out $(PHONY),$@)
  254. targets += $(obj)/dts/dt-platdata.o
  255. $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
  256. include/generated/dt-structs-gen.h prepare FORCE
  257. $(call if_changed,plat)
  258. PHONY += dts_dir
  259. dts_dir:
  260. $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
  261. include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
  262. $(call if_changed,dtoch)
  263. $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
  264. $(call if_changed,dtocc)
  265. ifdef CONFIG_SAMSUNG
  266. ifdef CONFIG_VAR_SIZE_SPL
  267. VAR_SIZE_PARAM = --vs
  268. else
  269. VAR_SIZE_PARAM =
  270. endif
  271. $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
  272. $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
  273. $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
  274. $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
  275. endif
  276. quiet_cmd_objcopy = OBJCOPY $@
  277. cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
  278. OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
  279. $(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec)
  280. $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
  281. $(call if_changed,objcopy)
  282. OBJCOPYFLAGS_u-boot-x86-start16-spl.bin := -O binary -j .start16
  283. $(obj)/u-boot-x86-start16-spl.bin: $(obj)/u-boot-spl FORCE
  284. $(call if_changed,objcopy)
  285. OBJCOPYFLAGS_u-boot-x86-start16-tpl.bin := -O binary -j .start16
  286. $(obj)/u-boot-x86-start16-tpl.bin: $(obj)/u-boot-tpl FORCE
  287. $(call if_changed,objcopy)
  288. OBJCOPYFLAGS_u-boot-x86-reset16-spl.bin := -O binary -j .resetvec
  289. $(obj)/u-boot-x86-reset16-spl.bin: $(obj)/u-boot-spl FORCE
  290. $(call if_changed,objcopy)
  291. OBJCOPYFLAGS_u-boot-x86-reset16-tpl.bin := -O binary -j .resetvec
  292. $(obj)/u-boot-x86-reset16-tpl.bin: $(obj)/u-boot-tpl FORCE
  293. $(call if_changed,objcopy)
  294. LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
  295. # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
  296. LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
  297. # Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
  298. ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
  299. LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
  300. endif
  301. ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
  302. MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
  303. else
  304. MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
  305. endif
  306. $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
  307. $(call if_changed,mkimage)
  308. quiet_cmd_mksunxiboot = MKSUNXI $@
  309. cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
  310. --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
  311. $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
  312. $(call if_changed,mksunxiboot)
  313. quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
  314. cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
  315. -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
  316. -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
  317. -o $(CONFIG_SYS_NAND_OOBSIZE) \
  318. -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
  319. -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
  320. -s -b $< $@
  321. $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
  322. $(call if_changed,sunxi_spl_image_builder)
  323. # MediaTek's specific SPL build
  324. MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
  325. -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
  326. -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
  327. $(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
  328. $(call if_changed,mkimage)
  329. quiet_cmd_sym ?= SYM $@
  330. cmd_sym ?= $(OBJDUMP) -t $< > $@
  331. $(obj)/$(SPL_BIN).sym: $(obj)/$(SPL_BIN) FORCE
  332. $(call if_changed,sym)
  333. # Rule to link u-boot-spl
  334. # May be overridden by arch/$(ARCH)/config.mk
  335. quiet_cmd_u-boot-spl ?= LD $@
  336. cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F)) \
  337. $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
  338. $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
  339. $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
  340. --end-group \
  341. $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
  342. $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
  343. $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
  344. $(call if_changed,u-boot-spl)
  345. $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
  346. PHONY += $(u-boot-spl-dirs)
  347. $(u-boot-spl-dirs): $(u-boot-spl-platdata) prepare
  348. $(Q)$(MAKE) $(build)=$@
  349. PHONY += prepare
  350. prepare:
  351. $(Q)$(MAKE) $(build)=$(obj)/.
  352. quiet_cmd_cpp_lds = LDS $@
  353. cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
  354. -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
  355. $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
  356. $(call if_changed_dep,cpp_lds)
  357. # read all saved command lines
  358. targets := $(wildcard $(sort $(targets)))
  359. cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
  360. ifneq ($(cmd_files),)
  361. $(cmd_files): ; # Do not try to update included dependency files
  362. include $(cmd_files)
  363. endif
  364. PHONY += FORCE
  365. FORCE:
  366. PHONY += dtbs
  367. dtbs:
  368. $(Q)$(MAKE) $(build)=dts dtbs
  369. # Declare the contents of the .PHONY variable as phony. We keep that
  370. # information in a variable so we can use it in if_changed and friends.
  371. .PHONY: $(PHONY)
  372. SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
  373. SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS))
  374. .SECONDEXPANSION:
  375. $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir
  376. $(call if_changed,fdtgrep)
  377. targets += $(SPL_OF_LIST_TARGETS)
  378. MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
  379. -n "Multi DTB fit image for $(SPL_BIN)" -E \
  380. $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
  381. $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
  382. $(call if_changed,mkimage)
  383. ifneq ($(SOURCE_DATE_EPOCH),)
  384. touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
  385. chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
  386. endif
  387. $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
  388. @gzip -kf9 $< > $@
  389. $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
  390. @lzop -f9 $< > $@
  391. ifdef CONFIG_ARCH_K3
  392. tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
  393. $(call if_changed,mkfitimage)
  394. endif