Makefile.spl 13 KB

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