scripts/Makefile.spl

   1 # SPDX-License-Identifier: GPL-2.0+
   2 #
   3 # (C) Copyright 2000-2011
   4 # Wolfgang Denk, DENX Software Engineering, [email protected].
   5 #
   6 # (C) Copyright 2011
   7 # Daniel Schwierzeck, [email protected].
   8 #
   9 # (C) Copyright 2011
  10 # Texas Instruments Incorporated - http://www.ti.com/
  11 # Aneesh V <[email protected]>
  12 # Based on top-level Makefile.
  13 #
  14
  15 src := $(obj)
  16
  17 # Create output directory if not already present
  18 _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
  19
  20 include $(srctree)/scripts/Kbuild.include
  21
  22 -include include/config/auto.conf
  23 -include $(obj)/include/autoconf.mk
  24
  25 UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
  26
  27 KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
  28 ifeq ($(CONFIG_TPL_BUILD),y)
  29 KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
  30 else
  31 ifeq ($(CONFIG_VPL_BUILD),y)
  32 KBUILD_CPPFLAGS += -DCONFIG_VPL_BUILD
  33 endif
  34 endif
  35
  36 ifeq ($(CONFIG_VPL_BUILD),y)
  37 SPL_BIN := u-boot-vpl
  38 SPL_NAME := vpl
  39 else
  40 ifeq ($(CONFIG_TPL_BUILD),y)
  41 SPL_BIN := u-boot-tpl
  42 SPL_NAME := tpl
  43 else
  44 SPL_BIN := u-boot-spl
  45 SPL_NAME := spl
  46 endif
  47 endif
  48
  49 export SPL_NAME
  50
  51 ifdef CONFIG_SPL_BUILD
  52 SPL_ := SPL_
  53 ifeq ($(CONFIG_VPL_BUILD),y)
  54 SPL_TPL_ := VPL_
  55 else
  56 ifeq ($(CONFIG_TPL_BUILD),y)
  57 SPL_TPL_ := TPL_
  58 else
  59 SPL_TPL_ := SPL_
  60 endif
  61 endif
  62 else
  63 SPL_ :=
  64 SPL_TPL_ :=
  65 endif
  66
  67 ifeq ($(obj)$(CONFIG_SUPPORT_SPL),spl)
  68 $(error You cannot build SPL without enabling CONFIG_SUPPORT_SPL)
  69 endif
  70 ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl)
  71 $(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL)
  72 endif
  73 ifeq ($(obj)$(CONFIG_SUPPORT_VPL),vpl)
  74 $(error You cannot build VPL without enabling CONFIG_SUPPORT_VPL)
  75 endif
  76
  77 include $(srctree)/config.mk
  78 include $(srctree)/arch/$(ARCH)/Makefile
  79
  80 include $(srctree)/scripts/Makefile.lib
  81
  82 # Enable garbage collection of un-used sections for SPL
  83 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  84 LDFLAGS_FINAL += --gc-sections
  85
  86 ifeq ($(CONFIG_$(SPL_TPL_)STACKPROTECTOR),y)
  87 KBUILD_CFLAGS += -fstack-protector-strong
  88 else
  89 KBUILD_CFLAGS += -fno-stack-protector
  90 endif
  91
  92 # FIX ME
  93 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  94                                                         $(NOSTDINC_FLAGS)
  95 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
  96
  97 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  98
  99 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
 100 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
 101
 102 ifeq ($(CONFIG_TPL_BUILD),y)
 103 libs-$(CONFIG_TPL_FRAMEWORK) += common/spl/
 104 else
 105 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
 106 endif
 107 libs-y += common/init/
 108
 109 # Special handling for a few options which support SPL/TPL/VPL
 110 libs-$(CONFIG_$(SPL_TPL_)LIBCOMMON_SUPPORT) += boot/ common/ cmd/ env/
 111 libs-$(CONFIG_$(SPL_TPL_)LIBGENERIC_SUPPORT) += lib/
 112 ifdef CONFIG_SPL_FRAMEWORK
 113 libs-$(CONFIG_PARTITIONS) += disk/
 114 endif
 115
 116 libs-y += drivers/
 117 libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/
 118 libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/cdns3/
 119 libs-y += dts/
 120 libs-y += fs/
 121 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
 122 libs-$(CONFIG_SPL_NET) += net/
 123 libs-$(CONFIG_$(SPL_TPL_)UNIT_TEST) += test/
 124
 125 head-y          := $(addprefix $(obj)/,$(head-y))
 126 libs-y          := $(addprefix $(obj)/,$(libs-y))
 127 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
 128
 129 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
 130
 131 # Add GCC lib
 132 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
 133 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
 134 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
 135 endif
 136
 137 u-boot-spl-init := $(head-y)
 138 u-boot-spl-main := $(libs-y)
 139 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
 140 platdata-hdr := include/generated/dt-structs-gen.h include/generated/dt-decl.h
 141 platdata-inst := $(obj)/dts/dt-uclass.o $(obj)/dts/dt-device.o
 142 platdata-noinst := $(obj)/dts/dt-plat.o
 143
 144 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA_INST
 145 u-boot-spl-platdata := $(platdata-inst)
 146 u-boot-spl-old-platdata := $(platdata-noinst)
 147 else
 148 u-boot-spl-platdata := $(platdata-noinst)
 149 u-boot-spl-old-platdata := $(platdata-inst)
 150 endif
 151
 152 # Files we need to generate
 153 u-boot-spl-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-platdata))
 154
 155 # Files we won't generate and should remove
 156 u-boot-spl-old-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-old-platdata))
 157 endif  # OF_PLATDATA
 158
 159 # Linker Script
 160 # First test whether there's a linker-script for the specific stage defined...
 161 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
 162 # need to strip off double quotes
 163 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
 164 else
 165 # ...then fall back to the generic SPL linker-script
 166 ifneq ($(CONFIG_SPL_LDSCRIPT),)
 167 # need to strip off double quotes
 168 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 169 endif
 170 endif
 171
 172 ifeq ($(wildcard $(LDSCRIPT)),)
 173         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
 174 endif
 175 ifeq ($(wildcard $(LDSCRIPT)),)
 176         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
 177 endif
 178 ifeq ($(wildcard $(LDSCRIPT)),)
 179         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
 180 endif
 181 ifeq ($(wildcard $(LDSCRIPT)),)
 182 $(error could not find linker script)
 183 endif
 184
 185 # Special flags for CPP when processing the linker script.
 186 # Pass the version down so we can handle backwards compatibility
 187 # on the fly.
 188 LDPPFLAGS += \
 189         -include $(srctree)/include/u-boot/u-boot.lds.h \
 190         -include $(objtree)/include/config.h \
 191         -DCPUDIR=$(CPUDIR) \
 192         $(shell $(LD) --version | \
 193           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 194
 195 # Turn various CONFIG symbols into IMAGE symbols for easy reuse of
 196 # the scripts between SPL, TPL and VPL.
 197 ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),0x0)
 198 LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
 199 endif
 200 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 201 LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE)
 202 endif
 203
 204 MKIMAGEOUTPUT ?= /dev/null
 205
 206 quiet_cmd_mkimage = MKIMAGE $@
 207 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
 208         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
 209
 210 quiet_cmd_mkfitimage = MKIMAGE $@
 211 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
 212         $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
 213
 214 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
 215
 216 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
 217
 218 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
 219         $(call if_changed,mkimage)
 220
 221 ifeq ($(CONFIG_SYS_SOC),"at91")
 222 MKIMAGEFLAGS_boot.bin = -T atmelimage
 223
 224 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
 225 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
 226
 227 $(obj)/boot.bin: $(obj)/../tools/atmel_pmecc_params
 228 endif
 229
 230 $(obj)/boot.bin: $(obj)/u-boot-spl.bin FORCE
 231         $(call if_changed,mkimage)
 232 else
 233 ifdef CONFIG_ARCH_ZYNQ
 234 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
 235 endif
 236 ifdef CONFIG_ARCH_ZYNQMP
 237 ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
 238 spl/boot.bin: zynqmp-check-pmufw
 239 zynqmp-check-pmufw: FORCE
 240         ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
 241                 || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
 242 endif
 243 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
 244         -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
 245 endif
 246
 247 $(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
 248         @dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
 249
 250 spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
 251         $(call if_changed,mkimage)
 252 endif
 253
 254 INPUTS-y        += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym
 255
 256 ifneq ($(CONFIG_ARCH_EXYNOS)$(CONFIG_ARCH_S5PC1XX),)
 257 INPUTS-y        += $(obj)/$(BOARD)-spl.bin
 258 endif
 259
 260 ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
 261 INPUTS-y        += $(obj)/$(SPL_BIN).sfp
 262 endif
 263
 264 INPUTS-$(CONFIG_TARGET_SOCFPGA_SOC64) += $(obj)/u-boot-spl-dtb.hex
 265
 266 ifdef CONFIG_ARCH_SUNXI
 267 INPUTS-y        += $(obj)/sunxi-spl.bin
 268
 269 ifdef CONFIG_NAND_SUNXI
 270 INPUTS-y        += $(obj)/sunxi-spl-with-ecc.bin
 271 endif
 272 endif
 273
 274 ifeq ($(CONFIG_SYS_SOC),"at91")
 275 INPUTS-y        += $(obj)/boot.bin
 276 endif
 277
 278 ifndef CONFIG_VPL_BUILD
 279 ifdef CONFIG_TPL_BUILD
 280 INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
 281         $(obj)/u-boot-x86-reset16-tpl.bin
 282 else
 283 INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
 284         $(obj)/u-boot-x86-reset16-spl.bin
 285 endif
 286 endif
 287
 288 INPUTS-$(CONFIG_ARCH_ZYNQ)              += $(obj)/boot.bin
 289 INPUTS-$(CONFIG_ARCH_ZYNQMP)    += $(obj)/boot.bin
 290
 291 INPUTS-$(CONFIG_ARCH_MEDIATEK)  += $(obj)/u-boot-spl-mtk.bin
 292
 293 all:    $(INPUTS-y)
 294
 295 quiet_cmd_cat = CAT     $@
 296 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
 297
 298 quiet_cmd_copy = COPY    $@
 299       cmd_copy = cp $< $@
 300
 301 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
 302 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
 303 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
 304 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
 305 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
 306 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
 307 else
 308 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
 309 endif
 310
 311 # Build the .dtb file if needed
 312 #   - OF_REAL is enabled
 313 #   - we have either OF_SEPARATE or OF_HOSTFILE
 314 build_dtb :=
 315 ifneq ($(CONFIG_$(SPL_TPL_)OF_REAL),)
 316 ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_SANDBOX),y)
 317 build_dtb := y
 318 endif
 319 endif
 320
 321 ifneq ($(build_dtb),)
 322 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
 323                 $(if $(CONFIG_$(SPL_TPL_)SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
 324                 $(FINAL_DTB_CONTAINER)  FORCE
 325         $(call if_changed,cat)
 326
 327 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
 328         $(call if_changed,copy)
 329 else
 330 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
 331         $(call if_changed,copy)
 332 endif
 333
 334 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
 335 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
 336         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
 337         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
 338
 339 $(obj)/$(SPL_BIN).dtb: $(obj)/dts/dt-$(SPL_NAME).dtb FORCE
 340         $(call if_changed,copy)
 341
 342 pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
 343
 344 DTOC_ARGS := $(pythonpath) $(srctree)/tools/dtoc/dtoc \
 345         -d $(obj)/$(SPL_BIN).dtb -p $(SPL_NAME)
 346
 347 ifneq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA_INST),)
 348 DTOC_ARGS += -i
 349 endif
 350
 351 quiet_cmd_dtoc = DTOC    $@
 352 cmd_dtoc = $(DTOC_ARGS) -c $(obj)/dts -C include/generated all
 353
 354 quiet_cmd_plat = PLAT    $@
 355 cmd_plat = $(CC) $(c_flags) -c $< -o $(filter-out $(PHONY),$@)
 356
 357 $(obj)/dts/dt-%.o: $(obj)/dts/dt-%.c $(platdata-hdr)
 358         $(call if_changed,plat)
 359
 360 # Don't use dts_dir here, since it forces running this expensive rule every time
 361 $(platdata-hdr) $(u-boot-spl-platdata_c) &: $(obj)/$(SPL_BIN).dtb FORCE
 362         @[ -d $(obj)/dts ] || mkdir -p $(obj)/dts
 363         @# Remove old files since which ones we generate depends on the setting
 364         @# of OF_PLATDATA_INST and this might change between builds. Leaving old
 365         @# ones around is confusing and it is possible that switching the
 366         @# setting again will use the old one instead of regenerating it.
 367         @rm -f $(u-boot-spl-old-platdata_c) $(u-boot-spl-platdata_c) \
 368                 $(u-boot-spl-old-platdata)
 369         $(call if_changed,dtoc)
 370
 371 ifneq ($(CONFIG_ARCH_EXYNOS)$(CONFIG_ARCH_S5PC1XX),)
 372 ifeq ($(CONFIG_EXYNOS5420),y)
 373 VAR_SIZE_PARAM = --vs
 374 else
 375 VAR_SIZE_PARAM =
 376 endif
 377 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
 378         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 379         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 380         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 381 endif
 382
 383 quiet_cmd_objcopy = OBJCOPY $@
 384 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
 385
 386 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
 387                 $(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec)
 388
 389 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
 390         $(call if_changed,objcopy)
 391
 392 OBJCOPYFLAGS_u-boot-x86-start16-spl.bin := -O binary -j .start16
 393 $(obj)/u-boot-x86-start16-spl.bin: $(obj)/u-boot-spl FORCE
 394         $(call if_changed,objcopy)
 395
 396 OBJCOPYFLAGS_u-boot-x86-start16-tpl.bin := -O binary -j .start16
 397 $(obj)/u-boot-x86-start16-tpl.bin: $(obj)/u-boot-tpl FORCE
 398         $(call if_changed,objcopy)
 399
 400 OBJCOPYFLAGS_u-boot-x86-reset16-spl.bin := -O binary -j .resetvec
 401 $(obj)/u-boot-x86-reset16-spl.bin: $(obj)/u-boot-spl FORCE
 402         $(call if_changed,objcopy)
 403
 404 OBJCOPYFLAGS_u-boot-x86-reset16-tpl.bin := -O binary -j .resetvec
 405 $(obj)/u-boot-x86-reset16-tpl.bin: $(obj)/u-boot-tpl FORCE
 406         $(call if_changed,objcopy)
 407
 408 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 409
 410 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
 411 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
 412
 413 LDFLAGS_$(SPL_BIN) += --build-id=none
 414
 415 # Pick the best match (e.g. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
 416 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 417 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
 418 endif
 419
 420 ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
 421 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
 422 else
 423 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
 424 endif
 425 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
 426         $(call if_changed,mkimage)
 427
 428 MKIMAGEFLAGS_sunxi-spl.bin = \
 429         -A $(ARCH) \
 430         -T $(CONFIG_SPL_IMAGE_TYPE) \
 431         -a $(CONFIG_SPL_TEXT_BASE) \
 432         -n $(CONFIG_DEFAULT_DEVICE_TREE)
 433
 434 OBJCOPYFLAGS_u-boot-spl-dtb.hex := -I binary -O ihex --change-address=$(CONFIG_SPL_TEXT_BASE)
 435
 436 $(obj)/u-boot-spl-dtb.hex: $(obj)/u-boot-spl-dtb.bin FORCE
 437         $(call if_changed,objcopy)
 438
 439 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
 440         $(call if_changed,mkimage)
 441
 442 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
 443 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
 444                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
 445                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
 446                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
 447                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
 448                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
 449                                 -s -b $< $@
 450 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
 451         $(call if_changed,sunxi_spl_image_builder)
 452
 453
 454 # MediaTek's specific SPL build
 455 MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
 456         -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
 457         -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
 458
 459 $(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
 460         $(call if_changed,mkimage)
 461
 462 quiet_cmd_sym ?= SYM     $@
 463       cmd_sym ?= $(OBJDUMP) -t $< > $@
 464 $(obj)/$(SPL_BIN).sym: $(obj)/$(SPL_BIN) FORCE
 465         $(call if_changed,sym)
 466
 467 # Generate linker list symbols references to force compiler to not optimize
 468 # them away when compiling with LTO
 469 ifdef CONFIG_LTO
 470 u-boot-spl-keep-syms-lto := $(obj)/keep-syms-lto.o
 471 u-boot-spl-keep-syms-lto_c := \
 472         $(patsubst $(obj)/%.o,$(obj)/%.c,$(u-boot-spl-keep-syms-lto))
 473
 474 quiet_cmd_keep_syms_lto = KSL     $@
 475       cmd_keep_syms_lto = \
 476         $(srctree)/scripts/gen_ll_addressable_symbols.sh $(NM) $^ > $@
 477
 478 quiet_cmd_keep_syms_lto_cc = KSLCC   $@
 479       cmd_keep_syms_lto_cc = \
 480         $(CC) $(filter-out $(LTO_CFLAGS),$(c_flags)) -c -o $@ $<
 481
 482 $(u-boot-spl-keep-syms-lto_c): $(u-boot-spl-main) $(u-boot-spl-platdata)
 483         $(call if_changed,keep_syms_lto)
 484 $(u-boot-spl-keep-syms-lto): $(u-boot-spl-keep-syms-lto_c)
 485         $(call if_changed,keep_syms_lto_cc)
 486 else
 487 u-boot-spl-keep-syms-lto :=
 488 endif
 489
 490 # Rule to link u-boot-spl
 491 # May be overridden by arch/$(ARCH)/config.mk
 492 ifeq ($(LTO_ENABLE),y)
 493 quiet_cmd_u-boot-spl ?= LTO     $@
 494       cmd_u-boot-spl ?= \
 495         (                                                                       \
 496                 cd $(obj) &&                                                    \
 497                 $(CC) -nostdlib -nostartfiles $(LTO_FINAL_LDFLAGS) $(c_flags)   \
 498                 $(KBUILD_LDFLAGS:%=-Wl,%) $(LDFLAGS_$(@F):%=-Wl,%)              \
 499                 $(patsubst $(obj)/%,%,$(u-boot-spl-init))                       \
 500                 -Wl,--whole-archive                                             \
 501                         $(patsubst $(obj)/%,%,$(u-boot-spl-main))               \
 502                         $(patsubst $(obj)/%,%,$(u-boot-spl-platdata))           \
 503                         $(patsubst $(obj)/%,%,$(u-boot-spl-keep-syms-lto))      \
 504                         $(PLATFORM_LIBS)                                        \
 505                 -Wl,--no-whole-archive                                          \
 506                 -Wl,-Map,$(SPL_BIN).map -o $(SPL_BIN)                           \
 507         )
 508 else
 509 quiet_cmd_u-boot-spl ?= LD      $@
 510       cmd_u-boot-spl ?= \
 511         (                                                               \
 512                 cd $(obj) &&                                            \
 513                 $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F))                \
 514                 $(patsubst $(obj)/%,%,$(u-boot-spl-init))               \
 515                 --whole-archive                                         \
 516                         $(patsubst $(obj)/%,%,$(u-boot-spl-main))       \
 517                         $(patsubst $(obj)/%,%,$(u-boot-spl-platdata))   \
 518                 --no-whole-archive                                      \
 519                 $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)      \
 520         )
 521 endif
 522
 523 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
 524                 $(u-boot-spl-main) $(u-boot-spl-keep-syms-lto) \
 525                 $(obj)/u-boot-spl.lds FORCE
 526         $(call if_changed,u-boot-spl)
 527
 528 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
 529
 530 PHONY += $(u-boot-spl-dirs)
 531 $(u-boot-spl-dirs): $(u-boot-spl-platdata) prepare
 532         $(Q)$(MAKE) $(build)=$@
 533
 534 PHONY += prepare
 535 prepare:
 536         $(Q)$(MAKE) $(build)=$(obj)/.
 537
 538 quiet_cmd_cpp_lds = LDS     $@
 539 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
 540                 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
 541
 542 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
 543         $(call if_changed_dep,cpp_lds)
 544
 545 # read all saved command lines
 546
 547 targets := $(wildcard $(sort $(targets)))
 548 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
 549
 550 ifneq ($(cmd_files),)
 551   $(cmd_files): ;       # Do not try to update included dependency files
 552   include $(cmd_files)
 553 endif
 554
 555 PHONY += FORCE
 556 FORCE:
 557
 558 $(obj)/dts/dt-$(SPL_NAME).dtb: dts/dt.dtb
 559         $(Q)$(MAKE) $(build)=$(obj)/dts spl_dtbs
 560
 561 PHONY += dts_dir
 562 dts_dir:
 563         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
 564
 565 # Declare the contents of the .PHONY variable as phony.  We keep that
 566 # information in a variable so we can use it in if_changed and friends.
 567 .PHONY: $(PHONY)
 568
 569 SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
 570 SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS))
 571 .SECONDEXPANSION:
 572 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir
 573         $(call if_changed,fdtgrep)
 574
 575 targets += $(SPL_OF_LIST_TARGETS)
 576
 577 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
 578         -n "Multi DTB fit image for $(SPL_BIN)" -E \
 579         $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
 580
 581 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
 582         $(call if_changed,mkimage)
 583 ifneq ($(SOURCE_DATE_EPOCH),)
 584         touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
 585         chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
 586 endif
 587
 588 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
 589         @gzip -kf9 $< > $@
 590
 591 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
 592         @lzop -f9 $< > $@
 593
 594 ifdef CONFIG_ARCH_K3
 595 tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
 596         $(call if_changed,mkfitimage)
 597 endif