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