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