scripts/Makefile.spl

   1 #
   2 # (C) Copyright 2000-2011
   3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 #
   5 # (C) Copyright 2011
   6 # Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
   7 #
   8 # (C) Copyright 2011
   9 # Texas Instruments Incorporated - http://www.ti.com/
  10 # Aneesh V <aneesh@ti.com>
  11 #
  12 # SPDX-License-Identifier:      GPL-2.0+
  13 #
  14 # Based on top-level Makefile.
  15 #
  16
  17 src := $(obj)
  18
  19 # Create output directory if not already present
  20 _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
  21
  22 include $(srctree)/scripts/Kbuild.include
  23
  24 -include include/config/auto.conf
  25 -include $(obj)/include/autoconf.mk
  26
  27 KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
  28 ifeq ($(CONFIG_TPL_BUILD),y)
  29 KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
  30 endif
  31
  32 ifeq ($(CONFIG_TPL_BUILD),y)
  33 SPL_BIN := u-boot-tpl
  34 else
  35 SPL_BIN := u-boot-spl
  36 endif
  37
  38 ifdef CONFIG_SPL_BUILD
  39 SPL_ := SPL_
  40 ifeq ($(CONFIG_TPL_BUILD),y)
  41 SPL_TPL_ := TPL_
  42 else
  43 SPL_TPL_ := SPL_
  44 endif
  45 else
  46 SPL_ :=
  47 SPL_TPL_ :=
  48 endif
  49
  50 include $(srctree)/config.mk
  51 include $(srctree)/arch/$(ARCH)/Makefile
  52
  53 include $(srctree)/scripts/Makefile.lib
  54
  55 # Enable garbage collection of un-used sections for SPL
  56 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  57 LDFLAGS_FINAL += --gc-sections
  58
  59 # FIX ME
  60 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  61                                                         $(NOSTDINC_FLAGS)
  62 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
  63
  64 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  65
  66 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  67 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  68
  69 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  70 libs-y += common/init/
  71
  72 # Special handling for a few options which support SPL/TPL
  73 ifeq ($(CONFIG_TPL_BUILD),y)
  74 libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
  75 libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
  76 else
  77 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
  78 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  79 endif
  80
  81 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
  82 libs-y += drivers/
  83 libs-$(CONFIG_SPL_USB_GADGET_SUPPORT) += drivers/usb/dwc3/
  84 libs-y += dts/
  85 libs-y += fs/
  86 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
  87 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
  88
  89 head-y          := $(addprefix $(obj)/,$(head-y))
  90 libs-y          := $(addprefix $(obj)/,$(libs-y))
  91 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
  92
  93 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
  94
  95 # Add GCC lib
  96 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
  97 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
  98 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
  99 endif
 100
 101 u-boot-spl-init := $(head-y)
 102 u-boot-spl-main := $(libs-y)
 103 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
 104 u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
 105 endif
 106
 107 # Linker Script
 108 # First test whether there's a linker-script for the specific stage defined...
 109 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
 110 # need to strip off double quotes
 111 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
 112 else
 113 # ...then fall back to the generic SPL linker-script
 114 ifneq ($(CONFIG_SPL_LDSCRIPT),)
 115 # need to strip off double quotes
 116 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 117 endif
 118 endif
 119
 120 ifeq ($(wildcard $(LDSCRIPT)),)
 121         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
 122 endif
 123 ifeq ($(wildcard $(LDSCRIPT)),)
 124         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
 125 endif
 126 ifeq ($(wildcard $(LDSCRIPT)),)
 127         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
 128 endif
 129 ifeq ($(wildcard $(LDSCRIPT)),)
 130 $(error could not find linker script)
 131 endif
 132
 133 # Special flags for CPP when processing the linker script.
 134 # Pass the version down so we can handle backwards compatibility
 135 # on the fly.
 136 LDPPFLAGS += \
 137         -include $(srctree)/include/u-boot/u-boot.lds.h \
 138         -include $(objtree)/include/config.h \
 139         -DCPUDIR=$(CPUDIR) \
 140         $(shell $(LD) --version | \
 141           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 142
 143 MKIMAGEOUTPUT ?= /dev/null
 144
 145 quiet_cmd_mkimage = MKIMAGE $@
 146 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
 147         $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
 148
 149 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
 150
 151 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
 152
 153 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
 154         $(call if_changed,mkimage)
 155
 156 ifeq ($(CONFIG_SYS_SOC),"at91")
 157 MKIMAGEFLAGS_boot.bin = -T atmelimage
 158
 159 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
 160 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
 161
 162 boot.bin: $(obj)/../tools/atmel_pmecc_params
 163 endif
 164
 165 boot.bin: $(obj)/u-boot-spl.bin FORCE
 166         $(call if_changed,mkimage)
 167 else
 168 ifdef CONFIG_ARCH_ZYNQ
 169 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
 170 endif
 171 ifdef CONFIG_ARCH_ZYNQMP
 172 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
 173         -n $(srctree)/$(CONFIG_PMUFW_INIT_FILE)
 174 endif
 175
 176 spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
 177         $(call if_changed,mkimage)
 178 endif
 179
 180 ALL-y   += $(obj)/$(SPL_BIN).bin
 181
 182 ifdef CONFIG_SAMSUNG
 183 ALL-y   += $(obj)/$(BOARD)-spl.bin
 184 endif
 185
 186 ifdef CONFIG_ARCH_SOCFPGA
 187 ALL-y   += $(obj)/$(SPL_BIN).sfp
 188 endif
 189
 190 ifdef CONFIG_ARCH_SUNXI
 191 ALL-y   += $(obj)/sunxi-spl.bin
 192
 193 ifdef CONFIG_NAND_SUNXI
 194 ALL-y   += $(obj)/sunxi-spl-with-ecc.bin
 195 endif
 196 endif
 197
 198 ifeq ($(CONFIG_SYS_SOC),"at91")
 199 ALL-y   += boot.bin
 200 endif
 201
 202 ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
 203
 204 ALL-$(CONFIG_ARCH_ZYNQ)         += $(obj)/boot.bin
 205 ALL-$(CONFIG_ARCH_ZYNQMP)       += $(obj)/boot.bin
 206
 207 all:    $(ALL-y)
 208
 209 quiet_cmd_cat = CAT     $@
 210 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
 211
 212 quiet_cmd_copy = COPY    $@
 213       cmd_copy = cp $< $@
 214
 215 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
 216 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
 217 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
 218 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
 219 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
 220 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
 221 else
 222 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
 223 endif
 224
 225
 226 ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
 227 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
 228                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
 229                 $(FINAL_DTB_CONTAINER)  FORCE
 230         $(call if_changed,cat)
 231
 232 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
 233         $(call if_changed,copy)
 234 else
 235 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
 236         $(call if_changed,copy)
 237 endif
 238
 239 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
 240 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
 241         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
 242         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
 243
 244 $(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
 245         $(call if_changed,copy)
 246
 247 pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
 248
 249 quiet_cmd_dtocc = DTOC C  $@
 250 cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
 251
 252 quiet_cmd_dtoch = DTOC H  $@
 253 cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
 254
 255 quiet_cmd_plat = PLAT    $@
 256 cmd_plat = $(CC) $(c_flags) -c $< -o $@
 257
 258 $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
 259                 include/generated/dt-structs-gen.h
 260         $(call if_changed,plat)
 261
 262 PHONY += dts_dir
 263 dts_dir:
 264         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
 265
 266 include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
 267         $(call if_changed,dtoch)
 268
 269 $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
 270         $(call if_changed,dtocc)
 271
 272 ifdef CONFIG_SAMSUNG
 273 ifdef CONFIG_VAR_SIZE_SPL
 274 VAR_SIZE_PARAM = --vs
 275 else
 276 VAR_SIZE_PARAM =
 277 endif
 278 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
 279         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 280         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 281         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 282 endif
 283
 284 quiet_cmd_objcopy = OBJCOPY $@
 285 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
 286
 287 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
 288                 $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
 289
 290 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
 291         $(call if_changed,objcopy)
 292
 293 OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
 294 $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
 295         $(call if_changed,objcopy)
 296
 297 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 298
 299 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
 300 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
 301
 302 # First try the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
 303 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
 304 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
 305 else
 306 # And then fall back to just testing for SPL_TEXT_BASE, even if in TPL mode
 307 ifneq ($(CONFIG_SPL_TEXT_BASE),)
 308 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
 309 endif
 310 endif
 311
 312 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
 313 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
 314         $(call if_changed,mkimage)
 315
 316 quiet_cmd_mksunxiboot = MKSUNXI $@
 317 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
 318                         --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
 319 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
 320         $(call if_changed,mksunxiboot)
 321
 322 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
 323 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
 324                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
 325                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
 326                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
 327                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
 328                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
 329                                 -s -b $< $@
 330 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
 331         $(call if_changed,sunxi_spl_image_builder)
 332
 333 # Rule to link u-boot-spl
 334 # May be overridden by arch/$(ARCH)/config.mk
 335 quiet_cmd_u-boot-spl ?= LD      $@
 336       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 337                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
 338                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
 339                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
 340                        --end-group \
 341                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
 342
 343 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
 344                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
 345         $(call if_changed,u-boot-spl)
 346
 347 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
 348
 349 PHONY += $(u-boot-spl-dirs)
 350 $(u-boot-spl-dirs): $(u-boot-spl-platdata)
 351         $(Q)$(MAKE) $(build)=$@
 352
 353 quiet_cmd_cpp_lds = LDS     $@
 354 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
 355                 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
 356
 357 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
 358         $(call if_changed_dep,cpp_lds)
 359
 360 # read all saved command lines
 361
 362 targets := $(wildcard $(sort $(targets)))
 363 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
 364
 365 ifneq ($(cmd_files),)
 366   $(cmd_files): ;       # Do not try to update included dependency files
 367   include $(cmd_files)
 368 endif
 369
 370 PHONY += FORCE
 371 FORCE:
 372
 373 PHONY += dtbs
 374 dtbs:
 375         $(Q)$(MAKE) $(build)=dts dtbs
 376
 377 # Declare the contents of the .PHONY variable as phony.  We keep that
 378 # information in a variable so we can use it in if_changed and friends.
 379 .PHONY: $(PHONY)
 380
 381 SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
 382 .SECONDEXPANSION:
 383 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
 384         $(call if_changed,fdtgrep)
 385
 386 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
 387         -n "Multi DTB fit image for $(SPL_BIN)" -E \
 388         $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
 389
 390 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
 391         $(call if_changed,mkimage)
 392
 393 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
 394         @gzip -kf9 $< > $@
 395
 396 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
 397         @lzop -f9 $< > $@