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 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA_INST
 124 u-boot-spl-platdata := $(obj)/dts/dt-uclass.o $(obj)/dts/dt-device.o
 125 else
 126 u-boot-spl-platdata := $(obj)/dts/dt-plat.o
 127 endif
 128 u-boot-spl-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-platdata))
 129 endif
 130
 131 # Linker Script
 132 # First test whether there's a linker-script for the specific stage defined...
 133 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
 134 # need to strip off double quotes
 135 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
 136 else
 137 # ...then fall back to the generic SPL linker-script
 138 ifneq ($(CONFIG_SPL_LDSCRIPT),)
 139 # need to strip off double quotes
 140 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 141 endif
 142 endif
 143
 144 ifeq ($(wildcard $(LDSCRIPT)),)
 145         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
 146 endif
 147 ifeq ($(wildcard $(LDSCRIPT)),)
 148         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
 149 endif
 150 ifeq ($(wildcard $(LDSCRIPT)),)
 151         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
 152 endif
 153 ifeq ($(wildcard $(LDSCRIPT)),)
 154 $(error could not find linker script)
 155 endif
 156
 157 # Special flags for CPP when processing the linker script.
 158 # Pass the version down so we can handle backwards compatibility
 159 # on the fly.
 160 LDPPFLAGS += \
 161         -include $(srctree)/include/u-boot/u-boot.lds.h \
 162         -include $(objtree)/include/config.h \
 163         -DCPUDIR=$(CPUDIR) \
 164         $(shell $(LD) --version | \
 165           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 166
 167 # Turn various CONFIG symbols into IMAGE symbols for easy reuse of
 168 # the scripts between SPL and TPL.
 169 ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),)
 170 LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
 171 endif
 172 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 173 LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE)
 174 endif
 175
 176 MKIMAGEOUTPUT ?= /dev/null
 177
 178 quiet_cmd_mkimage = MKIMAGE $@
 179 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
 180         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
 181
 182 quiet_cmd_mkfitimage = MKIMAGE $@
 183 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
 184         $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
 185
 186 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
 187
 188 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
 189
 190 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
 191         $(call if_changed,mkimage)
 192
 193 ifeq ($(CONFIG_SYS_SOC),"at91")
 194 MKIMAGEFLAGS_boot.bin = -T atmelimage
 195
 196 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
 197 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
 198
 199 $(obj)/boot.bin: $(obj)/../tools/atmel_pmecc_params
 200 endif
 201
 202 $(obj)/boot.bin: $(obj)/u-boot-spl.bin FORCE
 203         $(call if_changed,mkimage)
 204 else
 205 ifdef CONFIG_ARCH_ZYNQ
 206 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
 207 endif
 208 ifdef CONFIG_ARCH_ZYNQMP
 209 ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
 210 spl/boot.bin: zynqmp-check-pmufw
 211 zynqmp-check-pmufw: FORCE
 212         ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
 213                 || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
 214 endif
 215 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
 216         -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
 217 endif
 218
 219 $(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
 220         @dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
 221
 222 spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
 223         $(call if_changed,mkimage)
 224 endif
 225
 226 INPUTS-y        += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym
 227
 228 ifdef CONFIG_SAMSUNG
 229 INPUTS-y        += $(obj)/$(BOARD)-spl.bin
 230 endif
 231
 232 ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
 233 INPUTS-y        += $(obj)/$(SPL_BIN).sfp
 234 endif
 235
 236 INPUTS-$(CONFIG_TARGET_SOCFPGA_SOC64) += $(obj)/u-boot-spl-dtb.hex
 237
 238 ifdef CONFIG_ARCH_SUNXI
 239 INPUTS-y        += $(obj)/sunxi-spl.bin
 240
 241 ifdef CONFIG_NAND_SUNXI
 242 INPUTS-y        += $(obj)/sunxi-spl-with-ecc.bin
 243 endif
 244 endif
 245
 246 ifeq ($(CONFIG_SYS_SOC),"at91")
 247 INPUTS-y        += $(obj)/boot.bin
 248 endif
 249
 250 ifdef CONFIG_TPL_BUILD
 251 INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
 252         $(obj)/u-boot-x86-reset16-tpl.bin
 253 else
 254 INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
 255         $(obj)/u-boot-x86-reset16-spl.bin
 256 endif
 257
 258 INPUTS-$(CONFIG_ARCH_ZYNQ)              += $(obj)/boot.bin
 259 INPUTS-$(CONFIG_ARCH_ZYNQMP)    += $(obj)/boot.bin
 260
 261 INPUTS-$(CONFIG_ARCH_MEDIATEK)  += $(obj)/u-boot-spl-mtk.bin
 262
 263 all:    $(INPUTS-y)
 264
 265 quiet_cmd_cat = CAT     $@
 266 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
 267
 268 quiet_cmd_copy = COPY    $@
 269       cmd_copy = cp $< $@
 270
 271 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
 272 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
 273 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
 274 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
 275 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
 276 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
 277 else
 278 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
 279 endif
 280
 281 # Build the .dtb file if:
 282 #   - we are not using OF_PLATDATA
 283 #   - we are using OF_CONTROL
 284 #   - we have either OF_SEPARATE or OF_HOSTFILE
 285 build_dtb :=
 286 ifeq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA),)
 287 ifneq ($(CONFIG_$(SPL_TPL_)OF_CONTROL),)
 288 ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_OF_HOSTFILE),y)
 289 build_dtb := y
 290 endif
 291 endif
 292 endif
 293
 294 ifneq ($(build_dtb),)
 295 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
 296                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
 297                 $(FINAL_DTB_CONTAINER)  FORCE
 298         $(call if_changed,cat)
 299
 300 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
 301         $(call if_changed,copy)
 302 else
 303 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
 304         $(call if_changed,copy)
 305 endif
 306
 307 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
 308 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
 309         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
 310         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
 311
 312 $(obj)/$(SPL_BIN).dtb: $(obj)/dts/dt-$(SPL_NAME).dtb FORCE
 313         $(call if_changed,copy)
 314
 315 pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
 316
 317 DTOC_ARGS := $(pythonpath) $(srctree)/tools/dtoc/dtoc \
 318         -d $(obj)/$(SPL_BIN).dtb -p $(SPL_NAME)
 319
 320 ifneq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA_INST),)
 321 DTOC_ARGS += -i
 322 endif
 323
 324 quiet_cmd_dtoc = DTOC    $@
 325 cmd_dtoc = $(DTOC_ARGS) -c $(obj)/dts -C include/generated all
 326
 327 quiet_cmd_plat = PLAT    $@
 328 cmd_plat = $(CC) $(c_flags) -c $< -o $(filter-out $(PHONY),$@)
 329
 330 targets += $(u-boot-spl-platdata)
 331
 332 $(obj)/dts/dt-%.o: $(obj)/dts/dt-%.c \
 333                 include/generated/dt-structs-gen.h prepare FORCE
 334         $(call if_changed,plat)
 335
 336 # Don't use dts_dir here, since it forces running this expensive rule every time
 337 include/generated/dt-structs-gen.h $(u-boot-spl-platdata_c) &: \
 338                 $(obj)/$(SPL_BIN).dtb
 339         @[ -d $(obj)/dts ] || mkdir -p $(obj)/dts
 340         $(call if_changed,dtoc)
 341
 342 ifdef CONFIG_SAMSUNG
 343 ifdef CONFIG_VAR_SIZE_SPL
 344 VAR_SIZE_PARAM = --vs
 345 else
 346 VAR_SIZE_PARAM =
 347 endif
 348 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
 349         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 350         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 351         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 352 endif
 353
 354 quiet_cmd_objcopy = OBJCOPY $@
 355 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
 356
 357 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
 358                 $(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec)
 359
 360 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
 361         $(call if_changed,objcopy)
 362
 363 OBJCOPYFLAGS_u-boot-x86-start16-spl.bin := -O binary -j .start16
 364 $(obj)/u-boot-x86-start16-spl.bin: $(obj)/u-boot-spl FORCE
 365         $(call if_changed,objcopy)
 366
 367 OBJCOPYFLAGS_u-boot-x86-start16-tpl.bin := -O binary -j .start16
 368 $(obj)/u-boot-x86-start16-tpl.bin: $(obj)/u-boot-tpl FORCE
 369         $(call if_changed,objcopy)
 370
 371 OBJCOPYFLAGS_u-boot-x86-reset16-spl.bin := -O binary -j .resetvec
 372 $(obj)/u-boot-x86-reset16-spl.bin: $(obj)/u-boot-spl FORCE
 373         $(call if_changed,objcopy)
 374
 375 OBJCOPYFLAGS_u-boot-x86-reset16-tpl.bin := -O binary -j .resetvec
 376 $(obj)/u-boot-x86-reset16-tpl.bin: $(obj)/u-boot-tpl FORCE
 377         $(call if_changed,objcopy)
 378
 379 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 380
 381 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
 382 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
 383
 384 # Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
 385 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 386 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
 387 endif
 388
 389 ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
 390 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
 391 else
 392 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
 393 endif
 394 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
 395         $(call if_changed,mkimage)
 396
 397 MKIMAGEFLAGS_sunxi-spl.bin = -T sunxi_egon \
 398         -n $(CONFIG_DEFAULT_DEVICE_TREE)
 399
 400 OBJCOPYFLAGS_u-boot-spl-dtb.hex := -I binary -O ihex --change-address=$(CONFIG_SPL_TEXT_BASE)
 401
 402 $(obj)/u-boot-spl-dtb.hex: $(obj)/u-boot-spl-dtb.bin FORCE
 403         $(call if_changed,objcopy)
 404
 405 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
 406         $(call if_changed,mkimage)
 407
 408 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
 409 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
 410                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
 411                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
 412                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
 413                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
 414                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
 415                                 -s -b $< $@
 416 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
 417         $(call if_changed,sunxi_spl_image_builder)
 418
 419
 420 # MediaTek's specific SPL build
 421 MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
 422         -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
 423         -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
 424
 425 $(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
 426         $(call if_changed,mkimage)
 427
 428 quiet_cmd_sym ?= SYM     $@
 429       cmd_sym ?= $(OBJDUMP) -t $< > $@
 430 $(obj)/$(SPL_BIN).sym: $(obj)/$(SPL_BIN) FORCE
 431         $(call if_changed,sym)
 432
 433 # Rule to link u-boot-spl
 434 # May be overridden by arch/$(ARCH)/config.mk
 435 quiet_cmd_u-boot-spl ?= LD      $@
 436       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F)) \
 437                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
 438                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
 439                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
 440                        --end-group \
 441                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
 442
 443 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
 444                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
 445         $(call if_changed,u-boot-spl)
 446
 447 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
 448
 449 PHONY += $(u-boot-spl-dirs)
 450 $(u-boot-spl-dirs): $(u-boot-spl-platdata) prepare
 451         $(Q)$(MAKE) $(build)=$@
 452
 453 PHONY += prepare
 454 prepare:
 455         $(Q)$(MAKE) $(build)=$(obj)/.
 456
 457 quiet_cmd_cpp_lds = LDS     $@
 458 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
 459                 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
 460
 461 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
 462         $(call if_changed_dep,cpp_lds)
 463
 464 # read all saved command lines
 465
 466 targets := $(wildcard $(sort $(targets)))
 467 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
 468
 469 ifneq ($(cmd_files),)
 470   $(cmd_files): ;       # Do not try to update included dependency files
 471   include $(cmd_files)
 472 endif
 473
 474 PHONY += FORCE
 475 FORCE:
 476
 477 $(obj)/dts/dt-$(SPL_NAME).dtb: dts/dt.dtb
 478         $(Q)$(MAKE) $(build)=$(obj)/dts spl_dtbs
 479
 480 PHONY += dts_dir
 481 dts_dir:
 482         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
 483
 484 # Declare the contents of the .PHONY variable as phony.  We keep that
 485 # information in a variable so we can use it in if_changed and friends.
 486 .PHONY: $(PHONY)
 487
 488 SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
 489 SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS))
 490 .SECONDEXPANSION:
 491 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir
 492         $(call if_changed,fdtgrep)
 493
 494 targets += $(SPL_OF_LIST_TARGETS)
 495
 496 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
 497         -n "Multi DTB fit image for $(SPL_BIN)" -E \
 498         $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
 499
 500 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
 501         $(call if_changed,mkimage)
 502 ifneq ($(SOURCE_DATE_EPOCH),)
 503         touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
 504         chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
 505 endif
 506
 507 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
 508         @gzip -kf9 $< > $@
 509
 510 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
 511         @lzop -f9 $< > $@
 512
 513 ifdef CONFIG_ARCH_K3
 514 tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
 515         $(call if_changed,mkfitimage)
 516 endif