Makefile.spl 11 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-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/
  59. libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
  60. else
  61. libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/
  62. libs-$(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_OF_PLATDATA
  83. u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
  84. endif
  85. # Linker Script
  86. ifdef CONFIG_SPL_LDSCRIPT
  87. # need to strip off double quotes
  88. LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
  89. endif
  90. ifeq ($(wildcard $(LDSCRIPT)),)
  91. LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
  92. endif
  93. ifeq ($(wildcard $(LDSCRIPT)),)
  94. LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
  95. endif
  96. ifeq ($(wildcard $(LDSCRIPT)),)
  97. LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
  98. endif
  99. ifeq ($(wildcard $(LDSCRIPT)),)
  100. $(error could not find linker script)
  101. endif
  102. # Special flags for CPP when processing the linker script.
  103. # Pass the version down so we can handle backwards compatibility
  104. # on the fly.
  105. LDPPFLAGS += \
  106. -include $(srctree)/include/u-boot/u-boot.lds.h \
  107. -include $(objtree)/include/config.h \
  108. -DCPUDIR=$(CPUDIR) \
  109. $(shell $(LD) --version | \
  110. sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
  111. MKIMAGEOUTPUT ?= /dev/null
  112. quiet_cmd_mkimage = MKIMAGE $@
  113. cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
  114. $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
  115. MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
  116. MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
  117. MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
  118. $(call if_changed,mkimage)
  119. ifeq ($(CONFIG_SYS_SOC),"at91")
  120. MKIMAGEFLAGS_boot.bin = -T atmelimage
  121. ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
  122. MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
  123. boot.bin: $(obj)/../tools/atmel_pmecc_params
  124. endif
  125. boot.bin: $(obj)/u-boot-spl.bin FORCE
  126. $(call if_changed,mkimage)
  127. else
  128. ifdef CONFIG_ARCH_ZYNQ
  129. MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
  130. endif
  131. ifdef CONFIG_ARCH_ZYNQMP
  132. MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
  133. endif
  134. spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
  135. $(call if_changed,mkimage)
  136. endif
  137. ALL-y += $(obj)/$(SPL_BIN).bin
  138. ifdef CONFIG_SAMSUNG
  139. ALL-y += $(obj)/$(BOARD)-spl.bin
  140. endif
  141. ifdef CONFIG_ARCH_SOCFPGA
  142. ALL-y += $(obj)/$(SPL_BIN).sfp
  143. endif
  144. ifdef CONFIG_ARCH_SUNXI
  145. ALL-y += $(obj)/sunxi-spl.bin
  146. ifdef CONFIG_NAND_SUNXI
  147. ALL-y += $(obj)/sunxi-spl-with-ecc.bin
  148. endif
  149. endif
  150. ifeq ($(CONFIG_SYS_SOC),"at91")
  151. ALL-y += boot.bin
  152. endif
  153. ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
  154. ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
  155. ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
  156. all: $(ALL-y)
  157. quiet_cmd_cat = CAT $@
  158. cmd_cat = cat $(filter-out $(PHONY), $^) > $@
  159. quiet_cmd_copy = COPY $@
  160. cmd_copy = cp $< $@
  161. ifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_SPL_OF_PLATDATA),yy)
  162. $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
  163. $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
  164. $(obj)/$(SPL_BIN).dtb FORCE
  165. $(call if_changed,cat)
  166. $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
  167. $(call if_changed,copy)
  168. else
  169. $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
  170. $(call if_changed,copy)
  171. endif
  172. # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
  173. $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
  174. @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
  175. dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
  176. # Pass the original device tree file through fdtgrep twice. The first pass
  177. # removes any unwanted nodes (i.e. those which don't have the
  178. # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
  179. # pass removes various unused properties from the remaining nodes.
  180. # The output is typically a much smaller device tree file.
  181. ifeq ($(CONFIG_TPL_BUILD),y)
  182. fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
  183. else
  184. fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
  185. endif
  186. quiet_cmd_fdtgrep = FDTGREP $@
  187. cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
  188. -n /chosen -O dtb | \
  189. $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
  190. $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
  191. $(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE
  192. $(call if_changed,fdtgrep)
  193. pythonpath = PYTHONPATH=tools
  194. quiet_cmd_dtocc = DTOC C $@
  195. cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
  196. quiet_cmd_dtoch = DTOC H $@
  197. cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
  198. quiet_cmd_plat = PLAT $@
  199. cmd_plat = $(CC) $(c_flags) -c $< -o $@
  200. $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h
  201. $(call if_changed,plat)
  202. PHONY += dts_dir
  203. dts_dir:
  204. $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
  205. include/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir dtoc
  206. $(call if_changed,dtoch)
  207. $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir dtoc
  208. $(call if_changed,dtocc)
  209. dtoc: #$(objtree)/tools/_libfdt.so
  210. ifdef CONFIG_SAMSUNG
  211. ifdef CONFIG_VAR_SIZE_SPL
  212. VAR_SIZE_PARAM = --vs
  213. else
  214. VAR_SIZE_PARAM =
  215. endif
  216. $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
  217. $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
  218. $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
  219. $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
  220. endif
  221. quiet_cmd_objcopy = OBJCOPY $@
  222. cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
  223. OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
  224. $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
  225. $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
  226. $(call if_changed,objcopy)
  227. OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
  228. $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
  229. $(call if_changed,objcopy)
  230. LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
  231. # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
  232. LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
  233. ifneq ($(CONFIG_SPL_TEXT_BASE),)
  234. LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
  235. endif
  236. MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
  237. $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
  238. $(call if_changed,mkimage)
  239. quiet_cmd_mksunxiboot = MKSUNXI $@
  240. cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
  241. $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
  242. $(call if_changed,mksunxiboot)
  243. quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
  244. cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
  245. -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
  246. -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
  247. -o $(CONFIG_SYS_NAND_OOBSIZE) \
  248. -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
  249. -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
  250. -s -b $< $@
  251. $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
  252. $(call if_changed,sunxi_spl_image_builder)
  253. # Rule to link u-boot-spl
  254. # May be overridden by arch/$(ARCH)/config.mk
  255. quiet_cmd_u-boot-spl ?= LD $@
  256. cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
  257. $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
  258. $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
  259. $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
  260. --end-group \
  261. $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
  262. $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
  263. $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
  264. $(call if_changed,u-boot-spl)
  265. $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
  266. PHONY += $(u-boot-spl-dirs)
  267. $(u-boot-spl-dirs): $(u-boot-spl-platdata)
  268. $(Q)$(MAKE) $(build)=$@
  269. quiet_cmd_cpp_lds = LDS $@
  270. cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
  271. -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
  272. $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
  273. $(call if_changed_dep,cpp_lds)
  274. # read all saved command lines
  275. targets := $(wildcard $(sort $(targets)))
  276. cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
  277. ifneq ($(cmd_files),)
  278. $(cmd_files): ; # Do not try to update included dependency files
  279. include $(cmd_files)
  280. endif
  281. PHONY += FORCE
  282. FORCE:
  283. # Declare the contents of the .PHONY variable as phony. We keep that
  284. # information in a variable so we can use it in if_changed and friends.
  285. .PHONY: $(PHONY)