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 15src := $(obj) 16 17# Create output directory if not already present 18_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) 19 20include $(srctree)/scripts/Kbuild.include 21 22-include include/config/auto.conf 23-include $(obj)/include/autoconf.mk 24 25UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE) 26 27KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD 28ifeq ($(CONFIG_TPL_BUILD),y) 29KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD 30endif 31 32ifeq ($(CONFIG_TPL_BUILD),y) 33SPL_BIN := u-boot-tpl 34SPL_NAME := tpl 35else 36SPL_BIN := u-boot-spl 37SPL_NAME := spl 38endif 39 40export SPL_NAME 41 42ifdef CONFIG_SPL_BUILD 43SPL_ := SPL_ 44ifeq ($(CONFIG_TPL_BUILD),y) 45SPL_TPL_ := TPL_ 46else 47SPL_TPL_ := SPL_ 48endif 49else 50SPL_ := 51SPL_TPL_ := 52endif 53 54ifeq ($(obj)$(CONFIG_SUPPORT_SPL),spl) 55$(error You cannot build SPL without enabling CONFIG_SUPPORT_SPL) 56endif 57ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl) 58$(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL) 59endif 60 61include $(srctree)/config.mk 62include $(srctree)/arch/$(ARCH)/Makefile 63 64include $(srctree)/scripts/Makefile.lib 65 66# Enable garbage collection of un-used sections for SPL 67KBUILD_CFLAGS += -ffunction-sections -fdata-sections 68LDFLAGS_FINAL += --gc-sections 69 70# FIX ME 71cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 72 $(NOSTDINC_FLAGS) 73c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 74 75HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 76 77libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 78libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 79 80ifeq ($(CONFIG_TPL_BUILD),y) 81libs-$(CONFIG_TPL_FRAMEWORK) += common/spl/ 82else 83libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ 84endif 85libs-y += common/init/ 86 87# Special handling for a few options which support SPL/TPL 88ifeq ($(CONFIG_TPL_BUILD),y) 89libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/ 90libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/ 91else 92libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/ 93libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ 94ifdef CONFIG_SPL_FRAMEWORK 95libs-$(CONFIG_PARTITIONS) += disk/ 96endif 97endif 98 99libs-y += drivers/ 100libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/ 101libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/cdns3/ 102libs-y += dts/ 103libs-y += fs/ 104libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ 105libs-$(CONFIG_SPL_NET_SUPPORT) += net/ 106libs-$(CONFIG_SPL_UNIT_TEST) += test/ 107 108head-y := $(addprefix $(obj)/,$(head-y)) 109libs-y := $(addprefix $(obj)/,$(libs-y)) 110u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) 111 112libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 113 114# Add GCC lib 115ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 116PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 117PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) 118endif 119 120u-boot-spl-init := $(head-y) 121u-boot-spl-main := $(libs-y) 122ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA 123u-boot-spl-platdata := $(obj)/dts/dt-plat.o 124u-boot-spl-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-platdata)) 125endif 126 127# Linker Script 128# First test whether there's a linker-script for the specific stage defined... 129ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),) 130# need to strip off double quotes 131LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%)) 132else 133# ...then fall back to the generic SPL linker-script 134ifneq ($(CONFIG_SPL_LDSCRIPT),) 135# need to strip off double quotes 136LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) 137endif 138endif 139 140ifeq ($(wildcard $(LDSCRIPT)),) 141 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds 142endif 143ifeq ($(wildcard $(LDSCRIPT)),) 144 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds 145endif 146ifeq ($(wildcard $(LDSCRIPT)),) 147 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds 148endif 149ifeq ($(wildcard $(LDSCRIPT)),) 150$(error could not find linker script) 151endif 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. 156LDPPFLAGS += \ 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. 165ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),) 166LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE) 167endif 168ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),) 169LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE) 170endif 171 172MKIMAGEOUTPUT ?= /dev/null 173 174quiet_cmd_mkimage = MKIMAGE $@ 175cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 176 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 177 178quiet_cmd_mkfitimage = MKIMAGE $@ 179cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \ 180 $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT) 181 182MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) 183 184MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) 185 186MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE 187 $(call if_changed,mkimage) 188 189ifeq ($(CONFIG_SYS_SOC),"at91") 190MKIMAGEFLAGS_boot.bin = -T atmelimage 191 192ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) 193MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) 194 195$(obj)/boot.bin: $(obj)/../tools/atmel_pmecc_params 196endif 197 198$(obj)/boot.bin: $(obj)/u-boot-spl.bin FORCE 199 $(call if_changed,mkimage) 200else 201ifdef CONFIG_ARCH_ZYNQ 202MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) 203endif 204ifdef CONFIG_ARCH_ZYNQMP 205ifneq ($(CONFIG_PMUFW_INIT_FILE),"") 206spl/boot.bin: zynqmp-check-pmufw 207zynqmp-check-pmufw: FORCE 208 ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \ 209 || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false ) 210endif 211MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \ 212 -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))" 213endif 214 215$(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin 216 @dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null; 217 218spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE 219 $(call if_changed,mkimage) 220endif 221 222INPUTS-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym 223 224ifdef CONFIG_SAMSUNG 225INPUTS-y += $(obj)/$(BOARD)-spl.bin 226endif 227 228ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),) 229INPUTS-y += $(obj)/$(SPL_BIN).sfp 230endif 231 232INPUTS-$(CONFIG_TARGET_SOCFPGA_SOC64) += $(obj)/u-boot-spl-dtb.hex 233 234ifdef CONFIG_ARCH_SUNXI 235INPUTS-y += $(obj)/sunxi-spl.bin 236 237ifdef CONFIG_NAND_SUNXI 238INPUTS-y += $(obj)/sunxi-spl-with-ecc.bin 239endif 240endif 241 242ifeq ($(CONFIG_SYS_SOC),"at91") 243INPUTS-y += $(obj)/boot.bin 244endif 245 246ifdef CONFIG_TPL_BUILD 247INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \ 248 $(obj)/u-boot-x86-reset16-tpl.bin 249else 250INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \ 251 $(obj)/u-boot-x86-reset16-spl.bin 252endif 253 254INPUTS-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin 255INPUTS-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin 256 257INPUTS-$(CONFIG_ARCH_MEDIATEK) += $(obj)/u-boot-spl-mtk.bin 258 259all: $(INPUTS-y) 260 261quiet_cmd_cat = CAT $@ 262cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 263 264quiet_cmd_copy = COPY $@ 265 cmd_copy = cp $< $@ 266 267ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y) 268FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb 269else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y) 270FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo 271else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y) 272FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz 273else 274FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit 275endif 276 277# Build the .dtb file if: 278# - we are not using OF_PLATDATA 279# - we are using OF_CONTROL 280# - we have either OF_SEPARATE or OF_HOSTFILE 281build_dtb := 282ifeq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA),) 283ifneq ($(CONFIG_$(SPL_TPL_)OF_CONTROL),) 284ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_OF_HOSTFILE),y) 285build_dtb := y 286endif 287endif 288endif 289 290ifneq ($(build_dtb),) 291$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \ 292 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \ 293 $(FINAL_DTB_CONTAINER) FORCE 294 $(call if_changed,cat) 295 296$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE 297 $(call if_changed,copy) 298else 299$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE 300 $(call if_changed,copy) 301endif 302 303# Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end 304$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) 305 @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ 306 dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; 307 308$(obj)/$(SPL_BIN).dtb: $(obj)/dts/dt-$(SPL_NAME).dtb FORCE 309 $(call if_changed,copy) 310 311pythonpath = PYTHONPATH=scripts/dtc/pylibfdt 312 313DTOC_ARGS := $(pythonpath) $(srctree)/tools/dtoc/dtoc \ 314 -d $(obj)/$(SPL_BIN).dtb 315 316quiet_cmd_dtoc = DTOC $@ 317cmd_dtoc = $(DTOC_ARGS) -c $(obj)/dts -C include/generated all 318 319quiet_cmd_plat = PLAT $@ 320cmd_plat = $(CC) $(c_flags) -c $< -o $(filter-out $(PHONY),$@) 321 322targets += $(u-boot-spl-platdata) 323 324$(obj)/dts/dt-%.o: $(obj)/dts/dt-%.c \ 325 include/generated/dt-structs-gen.h prepare FORCE 326 $(call if_changed,plat) 327 328PHONY += dts_dir 329dts_dir: 330 $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts) 331 332include/generated/dt-structs-gen.h $(u-boot-spl-platdata_c) &: \ 333 $(obj)/$(SPL_BIN).dtb dts_dir FORCE 334 $(call if_changed,dtoc) 335 336ifdef CONFIG_SAMSUNG 337ifdef CONFIG_VAR_SIZE_SPL 338VAR_SIZE_PARAM = --vs 339else 340VAR_SIZE_PARAM = 341endif 342$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin 343 $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ 344 $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ 345 $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ 346endif 347 348quiet_cmd_objcopy = OBJCOPY $@ 349cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 350 351OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \ 352 $(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec) 353 354$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE 355 $(call if_changed,objcopy) 356 357OBJCOPYFLAGS_u-boot-x86-start16-spl.bin := -O binary -j .start16 358$(obj)/u-boot-x86-start16-spl.bin: $(obj)/u-boot-spl FORCE 359 $(call if_changed,objcopy) 360 361OBJCOPYFLAGS_u-boot-x86-start16-tpl.bin := -O binary -j .start16 362$(obj)/u-boot-x86-start16-tpl.bin: $(obj)/u-boot-tpl FORCE 363 $(call if_changed,objcopy) 364 365OBJCOPYFLAGS_u-boot-x86-reset16-spl.bin := -O binary -j .resetvec 366$(obj)/u-boot-x86-reset16-spl.bin: $(obj)/u-boot-spl FORCE 367 $(call if_changed,objcopy) 368 369OBJCOPYFLAGS_u-boot-x86-reset16-tpl.bin := -O binary -j .resetvec 370$(obj)/u-boot-x86-reset16-tpl.bin: $(obj)/u-boot-tpl FORCE 371 $(call if_changed,objcopy) 372 373LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) 374 375# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. 376LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker) 377 378# Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL) 379ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),) 380LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE) 381endif 382 383ifdef CONFIG_TARGET_SOCFPGA_ARRIA10 384MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1 385else 386MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage 387endif 388$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE 389 $(call if_changed,mkimage) 390 391MKIMAGEFLAGS_sunxi-spl.bin = -T sunxi_egon \ 392 -n $(CONFIG_DEFAULT_DEVICE_TREE) 393 394OBJCOPYFLAGS_u-boot-spl-dtb.hex := -I binary -O ihex --change-address=$(CONFIG_SPL_TEXT_BASE) 395 396$(obj)/u-boot-spl-dtb.hex: $(obj)/u-boot-spl-dtb.bin FORCE 397 $(call if_changed,objcopy) 398 399$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE 400 $(call if_changed,mkimage) 401 402quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@ 403cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \ 404 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \ 405 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \ 406 -o $(CONFIG_SYS_NAND_OOBSIZE) \ 407 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \ 408 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \ 409 -s -b $< $@ 410$(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin 411 $(call if_changed,sunxi_spl_image_builder) 412 413 414# MediaTek's specific SPL build 415MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \ 416 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \ 417 -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))" 418 419$(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE 420 $(call if_changed,mkimage) 421 422quiet_cmd_sym ?= SYM $@ 423 cmd_sym ?= $(OBJDUMP) -t $< > $@ 424$(obj)/$(SPL_BIN).sym: $(obj)/$(SPL_BIN) FORCE 425 $(call if_changed,sym) 426 427# Rule to link u-boot-spl 428# May be overridden by arch/$(ARCH)/config.mk 429quiet_cmd_u-boot-spl ?= LD $@ 430 cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F)) \ 431 $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ 432 $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \ 433 $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \ 434 --end-group \ 435 $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) 436 437$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \ 438 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE 439 $(call if_changed,u-boot-spl) 440 441$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; 442 443PHONY += $(u-boot-spl-dirs) 444$(u-boot-spl-dirs): $(u-boot-spl-platdata) prepare 445 $(Q)$(MAKE) $(build)=$@ 446 447PHONY += prepare 448prepare: 449 $(Q)$(MAKE) $(build)=$(obj)/. 450 451quiet_cmd_cpp_lds = LDS $@ 452cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 453 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $< 454 455$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE 456 $(call if_changed_dep,cpp_lds) 457 458# read all saved command lines 459 460targets := $(wildcard $(sort $(targets))) 461cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 462 463ifneq ($(cmd_files),) 464 $(cmd_files): ; # Do not try to update included dependency files 465 include $(cmd_files) 466endif 467 468PHONY += FORCE 469FORCE: 470 471$(obj)/dts/dt-$(SPL_NAME).dtb: dts/dt.dtb 472 $(Q)$(MAKE) $(build)=$(obj)/dts spl_dtbs 473 474# Declare the contents of the .PHONY variable as phony. We keep that 475# information in a variable so we can use it in if_changed and friends. 476.PHONY: $(PHONY) 477 478SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST))) 479SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS)) 480.SECONDEXPANSION: 481$(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir 482 $(call if_changed,fdtgrep) 483 484targets += $(SPL_OF_LIST_TARGETS) 485 486MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 487 -n "Multi DTB fit image for $(SPL_BIN)" -E \ 488 $(patsubst %,-b %,$(SHRUNK_ARCH_DTB)) 489 490$(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE 491 $(call if_changed,mkimage) 492ifneq ($(SOURCE_DATE_EPOCH),) 493 touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit 494 chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit 495endif 496 497$(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit 498 @gzip -kf9 $< > $@ 499 500$(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit 501 @lzop -f9 $< > $@ 502 503ifdef CONFIG_ARCH_K3 504tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE 505 $(call if_changed,mkfitimage) 506endif 507