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