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 include $(srctree)/config.mk
  49 include $(srctree)/arch/$(ARCH)/Makefile
  50
  51 include $(srctree)/scripts/Makefile.lib
  52
  53 # Enable garbage collection of un-used sections for SPL
  54 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  55 LDFLAGS_FINAL += --gc-sections
  56
  57 # FIX ME
  58 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  59                                                         $(NOSTDINC_FLAGS)
  60 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
  61
  62 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  63
  64 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  65 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  66
  67 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  68 libs-y += common/init/
  69
  70 # Special handling for a few options which support SPL/TPL
  71 ifeq ($(CONFIG_TPL_BUILD),y)
  72 libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
  73 libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
  74 else
  75 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
  76 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  77 endif
  78
  79 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
  80 libs-y += drivers/
  81 libs-$(CONFIG_SPL_USB_GADGET_SUPPORT) += drivers/usb/dwc3/
  82 libs-y += dts/
  83 libs-y += fs/
  84 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
  85 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
  86
  87 head-y          := $(addprefix $(obj)/,$(head-y))
  88 libs-y          := $(addprefix $(obj)/,$(libs-y))
  89 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
  90
  91 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
  92
  93 # Add GCC lib
  94 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
  95 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
  96 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
  97 endif
  98
  99 u-boot-spl-init := $(head-y)
 100 u-boot-spl-main := $(libs-y)
 101 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
 102 u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
 103 endif
 104
 105 # Linker Script
 106 # First test whether there's a linker-script for the specific stage defined...
 107 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
 108 # need to strip off double quotes
 109 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
 110 else
 111 # ...then fall back to the generic SPL linker-script
 112 ifneq ($(CONFIG_SPL_LDSCRIPT),)
 113 # need to strip off double quotes
 114 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 115 endif
 116 endif
 117
 118 ifeq ($(wildcard $(LDSCRIPT)),)
 119         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
 120 endif
 121 ifeq ($(wildcard $(LDSCRIPT)),)
 122         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
 123 endif
 124 ifeq ($(wildcard $(LDSCRIPT)),)
 125         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
 126 endif
 127 ifeq ($(wildcard $(LDSCRIPT)),)
 128 $(error could not find linker script)
 129 endif
 130
 131 # Special flags for CPP when processing the linker script.
 132 # Pass the version down so we can handle backwards compatibility
 133 # on the fly.
 134 LDPPFLAGS += \
 135         -include $(srctree)/include/u-boot/u-boot.lds.h \
 136         -include $(objtree)/include/config.h \
 137         -DCPUDIR=$(CPUDIR) \
 138         $(shell $(LD) --version | \
 139           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 140
 141 MKIMAGEOUTPUT ?= /dev/null
 142
 143 quiet_cmd_mkimage = MKIMAGE $@
 144 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
 145         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
 146
 147 quiet_cmd_mkfitimage = MKIMAGE $@
 148 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
 149         $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
 150
 151 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
 152
 153 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
 154
 155 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
 156         $(call if_changed,mkimage)
 157
 158 ifeq ($(CONFIG_SYS_SOC),"at91")
 159 MKIMAGEFLAGS_boot.bin = -T atmelimage
 160
 161 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
 162 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
 163
 164 boot.bin: $(obj)/../tools/atmel_pmecc_params
 165 endif
 166
 167 boot.bin: $(obj)/u-boot-spl.bin FORCE
 168         $(call if_changed,mkimage)
 169 else
 170 ifdef CONFIG_ARCH_ZYNQ
 171 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
 172 endif
 173 ifdef CONFIG_ARCH_ZYNQMP
 174 ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
 175 spl/boot.bin: zynqmp-check-pmufw
 176 zynqmp-check-pmufw: FORCE
 177         ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
 178                 || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
 179 endif
 180 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
 181         -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
 182 endif
 183
 184 spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
 185         $(call if_changed,mkimage)
 186 endif
 187
 188 ALL-y   += $(obj)/$(SPL_BIN).bin
 189
 190 ifdef CONFIG_SAMSUNG
 191 ALL-y   += $(obj)/$(BOARD)-spl.bin
 192 endif
 193
 194 ifdef CONFIG_ARCH_SOCFPGA
 195 ALL-y   += $(obj)/$(SPL_BIN).sfp
 196 endif
 197
 198 ifdef CONFIG_ARCH_SUNXI
 199 ALL-y   += $(obj)/sunxi-spl.bin
 200
 201 ifdef CONFIG_NAND_SUNXI
 202 ALL-y   += $(obj)/sunxi-spl-with-ecc.bin
 203 endif
 204 endif
 205
 206 ifeq ($(CONFIG_SYS_SOC),"at91")
 207 ALL-y   += boot.bin
 208 endif
 209
 210 ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
 211
 212 ALL-$(CONFIG_ARCH_ZYNQ)         += $(obj)/boot.bin
 213 ALL-$(CONFIG_ARCH_ZYNQMP)       += $(obj)/boot.bin
 214
 215 all:    $(ALL-y)
 216
 217 quiet_cmd_cat = CAT     $@
 218 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
 219
 220 quiet_cmd_copy = COPY    $@
 221       cmd_copy = cp $< $@
 222
 223 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
 224 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
 225 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
 226 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
 227 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
 228 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
 229 else
 230 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
 231 endif
 232
 233
 234 ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
 235 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
 236                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
 237                 $(FINAL_DTB_CONTAINER)  FORCE
 238         $(call if_changed,cat)
 239
 240 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
 241         $(call if_changed,copy)
 242 else
 243 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
 244         $(call if_changed,copy)
 245 endif
 246
 247 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
 248 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
 249         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
 250         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
 251
 252 $(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
 253         $(call if_changed,copy)
 254
 255 pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
 256
 257 quiet_cmd_dtocc = DTOC C  $@
 258 cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
 259
 260 quiet_cmd_dtoch = DTOC H  $@
 261 cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
 262
 263 quiet_cmd_plat = PLAT    $@
 264 cmd_plat = $(CC) $(c_flags) -c $< -o $@
 265
 266 $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
 267                 include/generated/dt-structs-gen.h
 268         $(call if_changed,plat)
 269
 270 PHONY += dts_dir
 271 dts_dir:
 272         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
 273
 274 include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
 275         $(call if_changed,dtoch)
 276
 277 $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
 278         $(call if_changed,dtocc)
 279
 280 ifdef CONFIG_SAMSUNG
 281 ifdef CONFIG_VAR_SIZE_SPL
 282 VAR_SIZE_PARAM = --vs
 283 else
 284 VAR_SIZE_PARAM =
 285 endif
 286 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
 287         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 288         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 289         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 290 endif
 291
 292 quiet_cmd_objcopy = OBJCOPY $@
 293 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
 294
 295 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
 296                 $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
 297
 298 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
 299         $(call if_changed,objcopy)
 300
 301 OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
 302 $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
 303         $(call if_changed,objcopy)
 304
 305 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 306
 307 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
 308 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
 309
 310 # First try the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
 311 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 312 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
 313 else
 314 # And then fall back to just testing for SPL_TEXT_BASE, even if in TPL mode
 315 ifneq ($(CONFIG_SPL_TEXT_BASE),)
 316 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
 317 endif
 318 endif
 319
 320 ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
 321 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
 322 else
 323 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
 324 endif
 325 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
 326         $(call if_changed,mkimage)
 327
 328 quiet_cmd_mksunxiboot = MKSUNXI $@
 329 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
 330                         --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
 331 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
 332         $(call if_changed,mksunxiboot)
 333
 334 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
 335 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
 336                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
 337                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
 338                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
 339                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
 340                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
 341                                 -s -b $< $@
 342 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
 343         $(call if_changed,sunxi_spl_image_builder)
 344
 345 # Rule to link u-boot-spl
 346 # May be overridden by arch/$(ARCH)/config.mk
 347 quiet_cmd_u-boot-spl ?= LD      $@
 348       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 349                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
 350                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
 351                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
 352                        --end-group \
 353                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
 354
 355 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
 356                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
 357         $(call if_changed,u-boot-spl)
 358
 359 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
 360
 361 PHONY += $(u-boot-spl-dirs)
 362 $(u-boot-spl-dirs): $(u-boot-spl-platdata)
 363         $(Q)$(MAKE) $(build)=$@
 364
 365 quiet_cmd_cpp_lds = LDS     $@
 366 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
 367                 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
 368
 369 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
 370         $(call if_changed_dep,cpp_lds)
 371
 372 # read all saved command lines
 373
 374 targets := $(wildcard $(sort $(targets)))
 375 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
 376
 377 ifneq ($(cmd_files),)
 378   $(cmd_files): ;       # Do not try to update included dependency files
 379   include $(cmd_files)
 380 endif
 381
 382 PHONY += FORCE
 383 FORCE:
 384
 385 PHONY += dtbs
 386 dtbs:
 387         $(Q)$(MAKE) $(build)=dts dtbs
 388
 389 # Declare the contents of the .PHONY variable as phony.  We keep that
 390 # information in a variable so we can use it in if_changed and friends.
 391 .PHONY: $(PHONY)
 392
 393 SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
 394 .SECONDEXPANSION:
 395 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
 396         $(call if_changed,fdtgrep)
 397
 398 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
 399         -n "Multi DTB fit image for $(SPL_BIN)" -E \
 400         $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
 401
 402 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
 403         $(call if_changed,mkimage)
 404 ifneq ($(SOURCE_DATE_EPOCH),)
 405         touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
 406         chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
 407 endif
 408
 409 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
 410         @gzip -kf9 $< > $@
 411
 412 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
 413         @lzop -f9 $< > $@
 414
 415 ifdef CONFIG_ARCH_K3
 416 tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
 417         $(call if_changed,mkfitimage)
 418 endif