scripts/Makefile.spl

   1 # SPDX-License-Identifier: GPL-2.0+
   2 #
   3 # (C) Copyright 2000-2011
   4 # Wolfgang Denk, DENX Software Engineering, [email protected].
   5 #
   6 # (C) Copyright 2011
   7 # Daniel Schwierzeck, [email protected].
   8 #
   9 # (C) Copyright 2011
  10 # Texas Instruments Incorporated - http://www.ti.com/
  11 # Aneesh V <[email protected]>
  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 platdata-hdr := include/generated/dt-structs-gen.h include/generated/dt-decl.h
 124 platdata-inst := $(obj)/dts/dt-uclass.o $(obj)/dts/dt-device.o
 125 platdata-noinst := $(obj)/dts/dt-plat.o
 126
 127 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA_INST
 128 u-boot-spl-platdata := $(platdata-inst)
 129 u-boot-spl-old-platdata := $(platdata-noinst)
 130 else
 131 u-boot-spl-platdata := $(platdata-noinst)
 132 u-boot-spl-old-platdata := $(platdata-inst)
 133 endif
 134
 135 # Files we need to generate
 136 u-boot-spl-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-platdata))
 137
 138 # Files we won't generate and should remove
 139 u-boot-spl-old-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-old-platdata))
 140 endif  # OF_PLATDATA
 141
 142 # Linker Script
 143 # First test whether there's a linker-script for the specific stage defined...
 144 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
 145 # need to strip off double quotes
 146 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
 147 else
 148 # ...then fall back to the generic SPL linker-script
 149 ifneq ($(CONFIG_SPL_LDSCRIPT),)
 150 # need to strip off double quotes
 151 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 152 endif
 153 endif
 154
 155 ifeq ($(wildcard $(LDSCRIPT)),)
 156         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
 157 endif
 158 ifeq ($(wildcard $(LDSCRIPT)),)
 159         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
 160 endif
 161 ifeq ($(wildcard $(LDSCRIPT)),)
 162         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
 163 endif
 164 ifeq ($(wildcard $(LDSCRIPT)),)
 165 $(error could not find linker script)
 166 endif
 167
 168 # Special flags for CPP when processing the linker script.
 169 # Pass the version down so we can handle backwards compatibility
 170 # on the fly.
 171 LDPPFLAGS += \
 172         -include $(srctree)/include/u-boot/u-boot.lds.h \
 173         -include $(objtree)/include/config.h \
 174         -DCPUDIR=$(CPUDIR) \
 175         $(shell $(LD) --version | \
 176           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 177
 178 # Turn various CONFIG symbols into IMAGE symbols for easy reuse of
 179 # the scripts between SPL and TPL.
 180 ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),)
 181 LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
 182 endif
 183 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 184 LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE)
 185 endif
 186
 187 MKIMAGEOUTPUT ?= /dev/null
 188
 189 quiet_cmd_mkimage = MKIMAGE $@
 190 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
 191         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
 192
 193 quiet_cmd_mkfitimage = MKIMAGE $@
 194 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
 195         $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
 196
 197 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
 198
 199 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
 200
 201 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
 202         $(call if_changed,mkimage)
 203
 204 ifeq ($(CONFIG_SYS_SOC),"at91")
 205 MKIMAGEFLAGS_boot.bin = -T atmelimage
 206
 207 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
 208 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
 209
 210 $(obj)/boot.bin: $(obj)/../tools/atmel_pmecc_params
 211 endif
 212
 213 $(obj)/boot.bin: $(obj)/u-boot-spl.bin FORCE
 214         $(call if_changed,mkimage)
 215 else
 216 ifdef CONFIG_ARCH_ZYNQ
 217 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
 218 endif
 219 ifdef CONFIG_ARCH_ZYNQMP
 220 ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
 221 spl/boot.bin: zynqmp-check-pmufw
 222 zynqmp-check-pmufw: FORCE
 223         ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
 224                 || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
 225 endif
 226 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
 227         -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
 228 endif
 229
 230 $(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
 231         @dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
 232
 233 spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
 234         $(call if_changed,mkimage)
 235 endif
 236
 237 INPUTS-y        += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym
 238
 239 ifdef CONFIG_SAMSUNG
 240 INPUTS-y        += $(obj)/$(BOARD)-spl.bin
 241 endif
 242
 243 ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
 244 INPUTS-y        += $(obj)/$(SPL_BIN).sfp
 245 endif
 246
 247 INPUTS-$(CONFIG_TARGET_SOCFPGA_SOC64) += $(obj)/u-boot-spl-dtb.hex
 248
 249 ifdef CONFIG_ARCH_SUNXI
 250 INPUTS-y        += $(obj)/sunxi-spl.bin
 251
 252 ifdef CONFIG_NAND_SUNXI
 253 INPUTS-y        += $(obj)/sunxi-spl-with-ecc.bin
 254 endif
 255 endif
 256
 257 ifeq ($(CONFIG_SYS_SOC),"at91")
 258 INPUTS-y        += $(obj)/boot.bin
 259 endif
 260
 261 ifdef CONFIG_TPL_BUILD
 262 INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
 263         $(obj)/u-boot-x86-reset16-tpl.bin
 264 else
 265 INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
 266         $(obj)/u-boot-x86-reset16-spl.bin
 267 endif
 268
 269 INPUTS-$(CONFIG_ARCH_ZYNQ)              += $(obj)/boot.bin
 270 INPUTS-$(CONFIG_ARCH_ZYNQMP)    += $(obj)/boot.bin
 271
 272 INPUTS-$(CONFIG_ARCH_MEDIATEK)  += $(obj)/u-boot-spl-mtk.bin
 273
 274 all:    $(INPUTS-y)
 275
 276 quiet_cmd_cat = CAT     $@
 277 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
 278
 279 quiet_cmd_copy = COPY    $@
 280       cmd_copy = cp $< $@
 281
 282 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
 283 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
 284 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
 285 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
 286 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
 287 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
 288 else
 289 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
 290 endif
 291
 292 # Build the .dtb file if:
 293 #   - we are not using OF_PLATDATA
 294 #   - we are using OF_CONTROL
 295 #   - we have either OF_SEPARATE or OF_HOSTFILE
 296 build_dtb :=
 297 ifeq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA),)
 298 ifneq ($(CONFIG_$(SPL_TPL_)OF_CONTROL),)
 299 ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_OF_HOSTFILE),y)
 300 build_dtb := y
 301 endif
 302 endif
 303 endif
 304
 305 ifneq ($(build_dtb),)
 306 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
 307                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
 308                 $(FINAL_DTB_CONTAINER)  FORCE
 309         $(call if_changed,cat)
 310
 311 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
 312         $(call if_changed,copy)
 313 else
 314 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
 315         $(call if_changed,copy)
 316 endif
 317
 318 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
 319 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
 320         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
 321         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
 322
 323 $(obj)/$(SPL_BIN).dtb: $(obj)/dts/dt-$(SPL_NAME).dtb FORCE
 324         $(call if_changed,copy)
 325
 326 pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
 327
 328 DTOC_ARGS := $(pythonpath) $(srctree)/tools/dtoc/dtoc \
 329         -d $(obj)/$(SPL_BIN).dtb -p $(SPL_NAME)
 330
 331 ifneq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA_INST),)
 332 DTOC_ARGS += -i
 333 endif
 334
 335 quiet_cmd_dtoc = DTOC    $@
 336 cmd_dtoc = $(DTOC_ARGS) -c $(obj)/dts -C include/generated all
 337
 338 quiet_cmd_plat = PLAT    $@
 339 cmd_plat = $(CC) $(c_flags) -c $< -o $(filter-out $(PHONY),$@)
 340
 341 $(obj)/dts/dt-%.o: $(obj)/dts/dt-%.c $(platdata-hdr)
 342         $(call if_changed,plat)
 343
 344 # Don't use dts_dir here, since it forces running this expensive rule every time
 345 $(platdata-hdr) $(u-boot-spl-platdata_c) &: $(obj)/$(SPL_BIN).dtb
 346         @[ -d $(obj)/dts ] || mkdir -p $(obj)/dts
 347         @# Remove old files since which ones we generate depends on the setting
 348         @# of OF_PLATDATA_INST and this might change between builds. Leaving old
 349         @# ones around is confusing and it is possible that switching the
 350         @# setting again will use the old one instead of regenerating it.
 351         @rm -f $(u-boot-spl-all-platdata_c) $(u-boot-spl-all-platdata)
 352         $(call if_changed,dtoc)
 353
 354 ifdef CONFIG_SAMSUNG
 355 ifdef CONFIG_VAR_SIZE_SPL
 356 VAR_SIZE_PARAM = --vs
 357 else
 358 VAR_SIZE_PARAM =
 359 endif
 360 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
 361         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 362         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 363         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 364 endif
 365
 366 quiet_cmd_objcopy = OBJCOPY $@
 367 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
 368
 369 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
 370                 $(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec)
 371
 372 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
 373         $(call if_changed,objcopy)
 374
 375 OBJCOPYFLAGS_u-boot-x86-start16-spl.bin := -O binary -j .start16
 376 $(obj)/u-boot-x86-start16-spl.bin: $(obj)/u-boot-spl FORCE
 377         $(call if_changed,objcopy)
 378
 379 OBJCOPYFLAGS_u-boot-x86-start16-tpl.bin := -O binary -j .start16
 380 $(obj)/u-boot-x86-start16-tpl.bin: $(obj)/u-boot-tpl FORCE
 381         $(call if_changed,objcopy)
 382
 383 OBJCOPYFLAGS_u-boot-x86-reset16-spl.bin := -O binary -j .resetvec
 384 $(obj)/u-boot-x86-reset16-spl.bin: $(obj)/u-boot-spl FORCE
 385         $(call if_changed,objcopy)
 386
 387 OBJCOPYFLAGS_u-boot-x86-reset16-tpl.bin := -O binary -j .resetvec
 388 $(obj)/u-boot-x86-reset16-tpl.bin: $(obj)/u-boot-tpl FORCE
 389         $(call if_changed,objcopy)
 390
 391 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 392
 393 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
 394 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
 395
 396 # Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
 397 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 398 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
 399 endif
 400
 401 ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
 402 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
 403 else
 404 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
 405 endif
 406 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
 407         $(call if_changed,mkimage)
 408
 409 MKIMAGEFLAGS_sunxi-spl.bin = -T sunxi_egon \
 410         -n $(CONFIG_DEFAULT_DEVICE_TREE)
 411
 412 OBJCOPYFLAGS_u-boot-spl-dtb.hex := -I binary -O ihex --change-address=$(CONFIG_SPL_TEXT_BASE)
 413
 414 $(obj)/u-boot-spl-dtb.hex: $(obj)/u-boot-spl-dtb.bin FORCE
 415         $(call if_changed,objcopy)
 416
 417 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
 418         $(call if_changed,mkimage)
 419
 420 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
 421 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
 422                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
 423                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
 424                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
 425                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
 426                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
 427                                 -s -b $< $@
 428 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
 429         $(call if_changed,sunxi_spl_image_builder)
 430
 431
 432 # MediaTek's specific SPL build
 433 MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
 434         -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
 435         -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
 436
 437 $(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
 438         $(call if_changed,mkimage)
 439
 440 quiet_cmd_sym ?= SYM     $@
 441       cmd_sym ?= $(OBJDUMP) -t $< > $@
 442 $(obj)/$(SPL_BIN).sym: $(obj)/$(SPL_BIN) FORCE
 443         $(call if_changed,sym)
 444
 445 # Rule to link u-boot-spl
 446 # May be overridden by arch/$(ARCH)/config.mk
 447 quiet_cmd_u-boot-spl ?= LD      $@
 448       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F)) \
 449                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
 450                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
 451                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
 452                        --end-group \
 453                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
 454
 455 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
 456                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
 457         $(call if_changed,u-boot-spl)
 458
 459 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
 460
 461 PHONY += $(u-boot-spl-dirs)
 462 $(u-boot-spl-dirs): $(u-boot-spl-platdata) prepare
 463         $(Q)$(MAKE) $(build)=$@
 464
 465 PHONY += prepare
 466 prepare:
 467         $(Q)$(MAKE) $(build)=$(obj)/.
 468
 469 quiet_cmd_cpp_lds = LDS     $@
 470 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
 471                 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
 472
 473 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
 474         $(call if_changed_dep,cpp_lds)
 475
 476 # read all saved command lines
 477
 478 targets := $(wildcard $(sort $(targets)))
 479 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
 480
 481 ifneq ($(cmd_files),)
 482   $(cmd_files): ;       # Do not try to update included dependency files
 483   include $(cmd_files)
 484 endif
 485
 486 PHONY += FORCE
 487 FORCE:
 488
 489 $(obj)/dts/dt-$(SPL_NAME).dtb: dts/dt.dtb
 490         $(Q)$(MAKE) $(build)=$(obj)/dts spl_dtbs
 491
 492 PHONY += dts_dir
 493 dts_dir:
 494         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
 495
 496 # Declare the contents of the .PHONY variable as phony.  We keep that
 497 # information in a variable so we can use it in if_changed and friends.
 498 .PHONY: $(PHONY)
 499
 500 SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
 501 SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS))
 502 .SECONDEXPANSION:
 503 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir
 504         $(call if_changed,fdtgrep)
 505
 506 targets += $(SPL_OF_LIST_TARGETS)
 507
 508 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
 509         -n "Multi DTB fit image for $(SPL_BIN)" -E \
 510         $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
 511
 512 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
 513         $(call if_changed,mkimage)
 514 ifneq ($(SOURCE_DATE_EPOCH),)
 515         touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
 516         chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
 517 endif
 518
 519 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
 520         @gzip -kf9 $< > $@
 521
 522 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
 523         @lzop -f9 $< > $@
 524
 525 ifdef CONFIG_ARCH_K3
 526 tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
 527         $(call if_changed,mkfitimage)
 528 endif