scripts/Makefile.spl

   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
  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 endif
  31
  32 ifeq ($(CONFIG_TPL_BUILD),y)
  33 SPL_BIN := u-boot-tpl
  34 SPL_NAME := tpl
  35 else
  36 SPL_BIN := u-boot-spl
  37 SPL_NAME := spl
  38 endif
  39
  40 ifdef CONFIG_SPL_BUILD
  41 SPL_ := SPL_
  42 ifeq ($(CONFIG_TPL_BUILD),y)
  43 SPL_TPL_ := TPL_
  44 else
  45 SPL_TPL_ := SPL_
  46 endif
  47 else
  48 SPL_ :=
  49 SPL_TPL_ :=
  50 endif
  51
  52 ifeq ($(obj)$(CONFIG_SUPPORT_SPL),spl)
  53 $(error You cannot build SPL without enabling CONFIG_SUPPORT_SPL)
  54 endif
  55 ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl)
  56 $(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL)
  57 endif
  58
  59 include $(srctree)/config.mk
  60 include $(srctree)/arch/$(ARCH)/Makefile
  61
  62 include $(srctree)/scripts/Makefile.lib
  63
  64 # Enable garbage collection of un-used sections for SPL
  65 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  66 LDFLAGS_FINAL += --gc-sections
  67
  68 # FIX ME
  69 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  70                                                         $(NOSTDINC_FLAGS)
  71 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
  72
  73 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  74
  75 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  76 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  77
  78 ifeq ($(CONFIG_TPL_BUILD),y)
  79 libs-$(CONFIG_TPL_FRAMEWORK) += common/spl/
  80 else
  81 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  82 endif
  83 libs-y += common/init/
  84
  85 # Special handling for a few options which support SPL/TPL
  86 ifeq ($(CONFIG_TPL_BUILD),y)
  87 libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
  88 libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
  89 else
  90 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
  91 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  92 ifdef CONFIG_SPL_FRAMEWORK
  93 libs-$(CONFIG_PARTITIONS) += disk/
  94 endif
  95 endif
  96
  97 libs-y += drivers/
  98 libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/
  99 libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/cdns3/
 100 libs-y += dts/
 101 libs-y += fs/
 102 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
 103 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
 104 libs-$(CONFIG_SPL_UNIT_TEST) += test/
 105
 106 head-y          := $(addprefix $(obj)/,$(head-y))
 107 libs-y          := $(addprefix $(obj)/,$(libs-y))
 108 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
 109
 110 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
 111
 112 # Add GCC lib
 113 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
 114 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
 115 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
 116 endif
 117
 118 u-boot-spl-init := $(head-y)
 119 u-boot-spl-main := $(libs-y)
 120 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
 121 u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
 122 endif
 123
 124 # Linker Script
 125 # First test whether there's a linker-script for the specific stage defined...
 126 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
 127 # need to strip off double quotes
 128 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
 129 else
 130 # ...then fall back to the generic SPL linker-script
 131 ifneq ($(CONFIG_SPL_LDSCRIPT),)
 132 # need to strip off double quotes
 133 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 134 endif
 135 endif
 136
 137 ifeq ($(wildcard $(LDSCRIPT)),)
 138         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
 139 endif
 140 ifeq ($(wildcard $(LDSCRIPT)),)
 141         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
 142 endif
 143 ifeq ($(wildcard $(LDSCRIPT)),)
 144         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
 145 endif
 146 ifeq ($(wildcard $(LDSCRIPT)),)
 147 $(error could not find linker script)
 148 endif
 149
 150 # Special flags for CPP when processing the linker script.
 151 # Pass the version down so we can handle backwards compatibility
 152 # on the fly.
 153 LDPPFLAGS += \
 154         -include $(srctree)/include/u-boot/u-boot.lds.h \
 155         -include $(objtree)/include/config.h \
 156         -DCPUDIR=$(CPUDIR) \
 157         $(shell $(LD) --version | \
 158           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 159
 160 # Turn various CONFIG symbols into IMAGE symbols for easy reuse of
 161 # the scripts between SPL and TPL.
 162 ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),)
 163 LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
 164 endif
 165 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 166 LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE)
 167 endif
 168
 169 MKIMAGEOUTPUT ?= /dev/null
 170
 171 quiet_cmd_mkimage = MKIMAGE $@
 172 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
 173         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
 174
 175 quiet_cmd_mkfitimage = MKIMAGE $@
 176 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
 177         $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
 178
 179 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
 180
 181 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
 182
 183 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
 184         $(call if_changed,mkimage)
 185
 186 ifeq ($(CONFIG_SYS_SOC),"at91")
 187 MKIMAGEFLAGS_boot.bin = -T atmelimage
 188
 189 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
 190 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
 191
 192 $(obj)/boot.bin: $(obj)/../tools/atmel_pmecc_params
 193 endif
 194
 195 $(obj)/boot.bin: $(obj)/u-boot-spl.bin FORCE
 196         $(call if_changed,mkimage)
 197 else
 198 ifdef CONFIG_ARCH_ZYNQ
 199 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
 200 endif
 201 ifdef CONFIG_ARCH_ZYNQMP
 202 ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
 203 spl/boot.bin: zynqmp-check-pmufw
 204 zynqmp-check-pmufw: FORCE
 205         ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
 206                 || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
 207 endif
 208 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
 209         -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
 210 endif
 211
 212 $(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
 213         @dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
 214
 215 spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
 216         $(call if_changed,mkimage)
 217 endif
 218
 219 INPUTS-y        += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym
 220
 221 ifdef CONFIG_SAMSUNG
 222 INPUTS-y        += $(obj)/$(BOARD)-spl.bin
 223 endif
 224
 225 ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
 226 INPUTS-y        += $(obj)/$(SPL_BIN).sfp
 227 endif
 228
 229 ifdef CONFIG_ARCH_SUNXI
 230 INPUTS-y        += $(obj)/sunxi-spl.bin
 231
 232 ifdef CONFIG_NAND_SUNXI
 233 INPUTS-y        += $(obj)/sunxi-spl-with-ecc.bin
 234 endif
 235 endif
 236
 237 ifeq ($(CONFIG_SYS_SOC),"at91")
 238 INPUTS-y        += $(obj)/boot.bin
 239 endif
 240
 241 ifdef CONFIG_TPL_BUILD
 242 INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
 243         $(obj)/u-boot-x86-reset16-tpl.bin
 244 else
 245 INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
 246         $(obj)/u-boot-x86-reset16-spl.bin
 247 endif
 248
 249 INPUTS-$(CONFIG_ARCH_ZYNQ)              += $(obj)/boot.bin
 250 INPUTS-$(CONFIG_ARCH_ZYNQMP)    += $(obj)/boot.bin
 251
 252 INPUTS-$(CONFIG_ARCH_MEDIATEK)  += $(obj)/u-boot-spl-mtk.bin
 253
 254 all:    $(INPUTS-y)
 255
 256 quiet_cmd_cat = CAT     $@
 257 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
 258
 259 quiet_cmd_copy = COPY    $@
 260       cmd_copy = cp $< $@
 261
 262 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
 263 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
 264 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
 265 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
 266 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
 267 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
 268 else
 269 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
 270 endif
 271
 272 # Build the .dtb file if:
 273 #   - we are not using OF_PLATDATA
 274 #   - we are using OF_CONTROL
 275 #   - we have either OF_SEPARATE or OF_HOSTFILE
 276 build_dtb :=
 277 ifeq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA),)
 278 ifneq ($(CONFIG_$(SPL_TPL_)OF_CONTROL),)
 279 ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_OF_HOSTFILE),y)
 280 build_dtb := y
 281 endif
 282 endif
 283 endif
 284
 285 ifneq ($(build_dtb),)
 286 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
 287                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
 288                 $(FINAL_DTB_CONTAINER)  FORCE
 289         $(call if_changed,cat)
 290
 291 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
 292         $(call if_changed,copy)
 293 else
 294 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
 295         $(call if_changed,copy)
 296 endif
 297
 298 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
 299 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
 300         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
 301         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
 302
 303 $(obj)/$(SPL_BIN).dtb: dts/dt-$(SPL_NAME).dtb FORCE
 304         $(call if_changed,copy)
 305
 306 pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
 307
 308 quiet_cmd_dtocc = DTOC C  $@
 309 cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
 310
 311 quiet_cmd_dtoch = DTOC H  $@
 312 cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
 313
 314 quiet_cmd_plat = PLAT    $@
 315 cmd_plat = $(CC) $(c_flags) -c $< -o $(filter-out $(PHONY),$@)
 316
 317 targets += $(obj)/dts/dt-platdata.o
 318 $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
 319                 include/generated/dt-structs-gen.h prepare FORCE
 320         $(call if_changed,plat)
 321
 322 PHONY += dts_dir
 323 dts_dir:
 324         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
 325
 326 include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
 327         $(call if_changed,dtoch)
 328
 329 $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
 330         $(call if_changed,dtocc)
 331
 332 ifdef CONFIG_SAMSUNG
 333 ifdef CONFIG_VAR_SIZE_SPL
 334 VAR_SIZE_PARAM = --vs
 335 else
 336 VAR_SIZE_PARAM =
 337 endif
 338 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
 339         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 340         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 341         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 342 endif
 343
 344 quiet_cmd_objcopy = OBJCOPY $@
 345 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
 346
 347 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
 348                 $(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec)
 349
 350 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
 351         $(call if_changed,objcopy)
 352
 353 OBJCOPYFLAGS_u-boot-x86-start16-spl.bin := -O binary -j .start16
 354 $(obj)/u-boot-x86-start16-spl.bin: $(obj)/u-boot-spl FORCE
 355         $(call if_changed,objcopy)
 356
 357 OBJCOPYFLAGS_u-boot-x86-start16-tpl.bin := -O binary -j .start16
 358 $(obj)/u-boot-x86-start16-tpl.bin: $(obj)/u-boot-tpl FORCE
 359         $(call if_changed,objcopy)
 360
 361 OBJCOPYFLAGS_u-boot-x86-reset16-spl.bin := -O binary -j .resetvec
 362 $(obj)/u-boot-x86-reset16-spl.bin: $(obj)/u-boot-spl FORCE
 363         $(call if_changed,objcopy)
 364
 365 OBJCOPYFLAGS_u-boot-x86-reset16-tpl.bin := -O binary -j .resetvec
 366 $(obj)/u-boot-x86-reset16-tpl.bin: $(obj)/u-boot-tpl FORCE
 367         $(call if_changed,objcopy)
 368
 369 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 370
 371 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
 372 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
 373
 374 # Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
 375 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 376 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
 377 endif
 378
 379 ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
 380 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
 381 else
 382 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
 383 endif
 384 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
 385         $(call if_changed,mkimage)
 386
 387 quiet_cmd_mksunxiboot = MKSUNXI $@
 388 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
 389                         --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
 390 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
 391         $(call if_changed,mksunxiboot)
 392
 393 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
 394 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
 395                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
 396                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
 397                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
 398                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
 399                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
 400                                 -s -b $< $@
 401 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
 402         $(call if_changed,sunxi_spl_image_builder)
 403
 404
 405 # MediaTek's specific SPL build
 406 MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
 407         -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
 408         -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
 409
 410 $(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
 411         $(call if_changed,mkimage)
 412
 413 quiet_cmd_sym ?= SYM     $@
 414       cmd_sym ?= $(OBJDUMP) -t $< > $@
 415 $(obj)/$(SPL_BIN).sym: $(obj)/$(SPL_BIN) FORCE
 416         $(call if_changed,sym)
 417
 418 # Rule to link u-boot-spl
 419 # May be overridden by arch/$(ARCH)/config.mk
 420 quiet_cmd_u-boot-spl ?= LD      $@
 421       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F)) \
 422                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
 423                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
 424                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
 425                        --end-group \
 426                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
 427
 428 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
 429                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
 430         $(call if_changed,u-boot-spl)
 431
 432 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
 433
 434 PHONY += $(u-boot-spl-dirs)
 435 $(u-boot-spl-dirs): $(u-boot-spl-platdata) prepare
 436         $(Q)$(MAKE) $(build)=$@
 437
 438 PHONY += prepare
 439 prepare:
 440         $(Q)$(MAKE) $(build)=$(obj)/.
 441
 442 quiet_cmd_cpp_lds = LDS     $@
 443 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
 444                 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
 445
 446 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
 447         $(call if_changed_dep,cpp_lds)
 448
 449 # read all saved command lines
 450
 451 targets := $(wildcard $(sort $(targets)))
 452 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
 453
 454 ifneq ($(cmd_files),)
 455   $(cmd_files): ;       # Do not try to update included dependency files
 456   include $(cmd_files)
 457 endif
 458
 459 PHONY += FORCE
 460 FORCE:
 461
 462 PHONY += dtbs
 463 dtbs:
 464         $(Q)$(MAKE) $(build)=dts dtbs
 465
 466 # Declare the contents of the .PHONY variable as phony.  We keep that
 467 # information in a variable so we can use it in if_changed and friends.
 468 .PHONY: $(PHONY)
 469
 470 SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
 471 SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS))
 472 .SECONDEXPANSION:
 473 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir
 474         $(call if_changed,fdtgrep)
 475
 476 targets += $(SPL_OF_LIST_TARGETS)
 477
 478 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
 479         -n "Multi DTB fit image for $(SPL_BIN)" -E \
 480         $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
 481
 482 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
 483         $(call if_changed,mkimage)
 484 ifneq ($(SOURCE_DATE_EPOCH),)
 485         touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
 486         chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
 487 endif
 488
 489 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
 490         @gzip -kf9 $< > $@
 491
 492 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
 493         @lzop -f9 $< > $@
 494
 495 ifdef CONFIG_ARCH_K3
 496 tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
 497         $(call if_changed,mkfitimage)
 498 endif