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 $(obj)/include/autoconf.mk
  24
  25 KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
  26 ifeq ($(CONFIG_TPL_BUILD),y)
  27 KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
  28 endif
  29
  30 ifeq ($(CONFIG_TPL_BUILD),y)
  31 SPL_BIN := u-boot-tpl
  32 else
  33 SPL_BIN := u-boot-spl
  34 endif
  35
  36 ifdef CONFIG_SPL_BUILD
  37 SPL_ := SPL_
  38 ifeq ($(CONFIG_TPL_BUILD),y)
  39 SPL_TPL_ := TPL_
  40 else
  41 SPL_TPL_ := SPL_
  42 endif
  43 else
  44 SPL_ :=
  45 SPL_TPL_ :=
  46 endif
  47
  48 ifeq ($(obj)$(CONFIG_SUPPORT_SPL),spl)
  49 $(error You cannot build SPL without enabling CONFIG_SUPPORT_SPL)
  50 endif
  51 ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl)
  52 $(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL)
  53 endif
  54
  55 include $(srctree)/config.mk
  56 include $(srctree)/arch/$(ARCH)/Makefile
  57
  58 include $(srctree)/scripts/Makefile.lib
  59
  60 # Enable garbage collection of un-used sections for SPL
  61 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  62 LDFLAGS_FINAL += --gc-sections
  63
  64 # FIX ME
  65 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  66                                                         $(NOSTDINC_FLAGS)
  67 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
  68
  69 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  70
  71 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  72 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  73
  74 ifeq ($(CONFIG_TPL_BUILD),y)
  75 libs-$(CONFIG_TPL_FRAMEWORK) += common/spl/
  76 else
  77 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  78 endif
  79 libs-y += common/init/
  80
  81 # Special handling for a few options which support SPL/TPL
  82 ifeq ($(CONFIG_TPL_BUILD),y)
  83 libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
  84 libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
  85 else
  86 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
  87 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  88 ifdef CONFIG_SPL_FRAMEWORK
  89 libs-$(CONFIG_PARTITIONS) += disk/
  90 endif
  91 endif
  92
  93 libs-y += drivers/
  94 libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/
  95 libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/cdns3/
  96 libs-y += dts/
  97 libs-y += fs/
  98 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
  99 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
 100
 101 head-y          := $(addprefix $(obj)/,$(head-y))
 102 libs-y          := $(addprefix $(obj)/,$(libs-y))
 103 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
 104
 105 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
 106
 107 # Add GCC lib
 108 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
 109 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
 110 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
 111 endif
 112
 113 u-boot-spl-init := $(head-y)
 114 u-boot-spl-main := $(libs-y)
 115 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
 116 u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
 117 endif
 118
 119 # Linker Script
 120 # First test whether there's a linker-script for the specific stage defined...
 121 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
 122 # need to strip off double quotes
 123 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
 124 else
 125 # ...then fall back to the generic SPL linker-script
 126 ifneq ($(CONFIG_SPL_LDSCRIPT),)
 127 # need to strip off double quotes
 128 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 129 endif
 130 endif
 131
 132 ifeq ($(wildcard $(LDSCRIPT)),)
 133         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
 134 endif
 135 ifeq ($(wildcard $(LDSCRIPT)),)
 136         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
 137 endif
 138 ifeq ($(wildcard $(LDSCRIPT)),)
 139         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
 140 endif
 141 ifeq ($(wildcard $(LDSCRIPT)),)
 142 $(error could not find linker script)
 143 endif
 144
 145 # Special flags for CPP when processing the linker script.
 146 # Pass the version down so we can handle backwards compatibility
 147 # on the fly.
 148 LDPPFLAGS += \
 149         -include $(srctree)/include/u-boot/u-boot.lds.h \
 150         -include $(objtree)/include/config.h \
 151         -DCPUDIR=$(CPUDIR) \
 152         $(shell $(LD) --version | \
 153           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 154
 155 # Turn various CONFIG symbols into IMAGE symbols for easy reuse of
 156 # the scripts between SPL and TPL.
 157 ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),)
 158 LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
 159 endif
 160 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 161 LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE)
 162 endif
 163
 164 MKIMAGEOUTPUT ?= /dev/null
 165
 166 quiet_cmd_mkimage = MKIMAGE $@
 167 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
 168         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
 169
 170 quiet_cmd_mkfitimage = MKIMAGE $@
 171 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
 172         $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
 173
 174 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
 175
 176 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
 177
 178 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
 179         $(call if_changed,mkimage)
 180
 181 ifeq ($(CONFIG_SYS_SOC),"at91")
 182 MKIMAGEFLAGS_boot.bin = -T atmelimage
 183
 184 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
 185 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
 186
 187 $(obj)/boot.bin: $(obj)/../tools/atmel_pmecc_params
 188 endif
 189
 190 $(obj)/boot.bin: $(obj)/u-boot-spl.bin FORCE
 191         $(call if_changed,mkimage)
 192 else
 193 ifdef CONFIG_ARCH_ZYNQ
 194 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
 195 endif
 196 ifdef CONFIG_ARCH_ZYNQMP
 197 ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
 198 spl/boot.bin: zynqmp-check-pmufw
 199 zynqmp-check-pmufw: FORCE
 200         ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
 201                 || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
 202 endif
 203 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
 204         -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
 205 endif
 206
 207 $(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
 208         @dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
 209
 210 spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
 211         $(call if_changed,mkimage)
 212 endif
 213
 214 ALL-y   += $(obj)/$(SPL_BIN).bin
 215
 216 ifdef CONFIG_SAMSUNG
 217 ALL-y   += $(obj)/$(BOARD)-spl.bin
 218 endif
 219
 220 ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
 221 ALL-y   += $(obj)/$(SPL_BIN).sfp
 222 endif
 223
 224 ifdef CONFIG_ARCH_SUNXI
 225 ALL-y   += $(obj)/sunxi-spl.bin
 226
 227 ifdef CONFIG_NAND_SUNXI
 228 ALL-y   += $(obj)/sunxi-spl-with-ecc.bin
 229 endif
 230 endif
 231
 232 ifeq ($(CONFIG_SYS_SOC),"at91")
 233 ALL-y   += $(obj)/boot.bin
 234 endif
 235
 236 ifdef CONFIG_TPL_BUILD
 237 ALL-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
 238         $(obj)/u-boot-x86-reset16-tpl.bin
 239 else
 240 ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
 241         $(obj)/u-boot-x86-reset16-spl.bin
 242 endif
 243
 244 ALL-$(CONFIG_ARCH_ZYNQ)         += $(obj)/boot.bin
 245 ALL-$(CONFIG_ARCH_ZYNQMP)       += $(obj)/boot.bin
 246
 247 ALL-$(CONFIG_ARCH_MEDIATEK)     += $(obj)/u-boot-spl-mtk.bin
 248
 249 all:    $(ALL-y)
 250
 251 quiet_cmd_cat = CAT     $@
 252 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
 253
 254 quiet_cmd_copy = COPY    $@
 255       cmd_copy = cp $< $@
 256
 257 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
 258 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
 259 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
 260 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
 261 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
 262 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
 263 else
 264 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
 265 endif
 266
 267 # Build the .dtb file if:
 268 #   - we are not using OF_PLATDATA
 269 #   - we are using OF_CONTROL
 270 #   - we have either OF_SEPARATE or OF_HOSTFILE
 271 build_dtb :=
 272 ifeq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA),)
 273 ifneq ($(CONFIG_$(SPL_TPL_)OF_CONTROL),)
 274 ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_OF_HOSTFILE),y)
 275 build_dtb := y
 276 endif
 277 endif
 278 endif
 279
 280 ifneq ($(build_dtb),)
 281 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
 282                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
 283                 $(FINAL_DTB_CONTAINER)  FORCE
 284         $(call if_changed,cat)
 285
 286 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
 287         $(call if_changed,copy)
 288 else
 289 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
 290         $(call if_changed,copy)
 291 endif
 292
 293 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
 294 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
 295         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
 296         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
 297
 298 $(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
 299         $(call if_changed,copy)
 300
 301 pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
 302
 303 quiet_cmd_dtocc = DTOC C  $@
 304 cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
 305
 306 quiet_cmd_dtoch = DTOC H  $@
 307 cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
 308
 309 quiet_cmd_plat = PLAT    $@
 310 cmd_plat = $(CC) $(c_flags) -c $< -o $@
 311
 312 $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
 313                 include/generated/dt-structs-gen.h
 314         $(call if_changed,plat)
 315
 316 PHONY += dts_dir
 317 dts_dir:
 318         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
 319
 320 include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
 321         $(call if_changed,dtoch)
 322
 323 $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
 324         $(call if_changed,dtocc)
 325
 326 ifdef CONFIG_SAMSUNG
 327 ifdef CONFIG_VAR_SIZE_SPL
 328 VAR_SIZE_PARAM = --vs
 329 else
 330 VAR_SIZE_PARAM =
 331 endif
 332 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
 333         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 334         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 335         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 336 endif
 337
 338 quiet_cmd_objcopy = OBJCOPY $@
 339 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
 340
 341 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
 342                 $(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec)
 343
 344 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
 345         $(call if_changed,objcopy)
 346
 347 OBJCOPYFLAGS_u-boot-x86-start16-spl.bin := -O binary -j .start16
 348 $(obj)/u-boot-x86-start16-spl.bin: $(obj)/u-boot-spl FORCE
 349         $(call if_changed,objcopy)
 350
 351 OBJCOPYFLAGS_u-boot-x86-start16-tpl.bin := -O binary -j .start16
 352 $(obj)/u-boot-x86-start16-tpl.bin: $(obj)/u-boot-tpl FORCE
 353         $(call if_changed,objcopy)
 354
 355 OBJCOPYFLAGS_u-boot-x86-reset16-spl.bin := -O binary -j .resetvec
 356 $(obj)/u-boot-x86-reset16-spl.bin: $(obj)/u-boot-spl FORCE
 357         $(call if_changed,objcopy)
 358
 359 OBJCOPYFLAGS_u-boot-x86-reset16-tpl.bin := -O binary -j .resetvec
 360 $(obj)/u-boot-x86-reset16-tpl.bin: $(obj)/u-boot-tpl FORCE
 361         $(call if_changed,objcopy)
 362
 363 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 364
 365 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
 366 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
 367
 368 # Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
 369 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 370 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
 371 endif
 372
 373 ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
 374 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
 375 else
 376 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
 377 endif
 378 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
 379         $(call if_changed,mkimage)
 380
 381 quiet_cmd_mksunxiboot = MKSUNXI $@
 382 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
 383                         --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
 384 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
 385         $(call if_changed,mksunxiboot)
 386
 387 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
 388 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
 389                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
 390                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
 391                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
 392                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
 393                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
 394                                 -s -b $< $@
 395 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
 396         $(call if_changed,sunxi_spl_image_builder)
 397
 398
 399 # MediaTek's specific SPL build
 400 MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
 401         -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
 402         -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
 403
 404 $(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
 405         $(call if_changed,mkimage)
 406
 407 # Rule to link u-boot-spl
 408 # May be overridden by arch/$(ARCH)/config.mk
 409 quiet_cmd_u-boot-spl ?= LD      $@
 410       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 411                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
 412                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
 413                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
 414                        --end-group \
 415                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
 416
 417 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
 418                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
 419         $(call if_changed,u-boot-spl)
 420
 421 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
 422
 423 PHONY += $(u-boot-spl-dirs)
 424 $(u-boot-spl-dirs): $(u-boot-spl-platdata)
 425         $(Q)$(MAKE) $(build)=$@
 426
 427 quiet_cmd_cpp_lds = LDS     $@
 428 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
 429                 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
 430
 431 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
 432         $(call if_changed_dep,cpp_lds)
 433
 434 # read all saved command lines
 435
 436 targets := $(wildcard $(sort $(targets)))
 437 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
 438
 439 ifneq ($(cmd_files),)
 440   $(cmd_files): ;       # Do not try to update included dependency files
 441   include $(cmd_files)
 442 endif
 443
 444 PHONY += FORCE
 445 FORCE:
 446
 447 PHONY += dtbs
 448 dtbs:
 449         $(Q)$(MAKE) $(build)=dts dtbs
 450
 451 # Declare the contents of the .PHONY variable as phony.  We keep that
 452 # information in a variable so we can use it in if_changed and friends.
 453 .PHONY: $(PHONY)
 454
 455 SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
 456 .SECONDEXPANSION:
 457 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
 458         $(call if_changed,fdtgrep)
 459
 460 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
 461         -n "Multi DTB fit image for $(SPL_BIN)" -E \
 462         $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
 463
 464 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
 465         $(call if_changed,mkimage)
 466 ifneq ($(SOURCE_DATE_EPOCH),)
 467         touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
 468         chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
 469 endif
 470
 471 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
 472         @gzip -kf9 $< > $@
 473
 474 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
 475         @lzop -f9 $< > $@
 476
 477 ifdef CONFIG_ARCH_K3
 478 tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
 479         $(call if_changed,mkfitimage)
 480 endif