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