| | 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 | # 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-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ |
| | 73 | libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/ |
| | 74 | else |
| | 75 | libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ |
| | 76 | libs-$(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_OF_PLATDATA |
| | 102 | u-boot-spl-platdata := $(obj)/dts/dt-platdata.o |
| | 103 | endif |
| | 104 | |
| | 105 | # Linker Script |
| | 106 | ifdef CONFIG_SPL_LDSCRIPT |
| | 107 | # need to strip off double quotes |
| | 108 | LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) |
| | 109 | endif |
| | 110 | |
| | 111 | ifeq ($(wildcard $(LDSCRIPT)),) |
| | 112 | LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds |
| | 113 | endif |
| | 114 | ifeq ($(wildcard $(LDSCRIPT)),) |
| | 115 | LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds |
| | 116 | endif |
| | 117 | ifeq ($(wildcard $(LDSCRIPT)),) |
| | 118 | LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds |
| | 119 | endif |
| | 120 | ifeq ($(wildcard $(LDSCRIPT)),) |
| | 121 | $(error could not find linker script) |
| | 122 | endif |
| | 123 | |
| | 124 | # Special flags for CPP when processing the linker script. |
| | 125 | # Pass the version down so we can handle backwards compatibility |
| | 126 | # on the fly. |
| | 127 | LDPPFLAGS += \ |
| | 128 | -include $(srctree)/include/u-boot/u-boot.lds.h \ |
| | 129 | -include $(objtree)/include/config.h \ |
| | 130 | -DCPUDIR=$(CPUDIR) \ |
| | 131 | $(shell $(LD) --version | \ |
| | 132 | sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') |
| | 133 | |
| | 134 | MKIMAGEOUTPUT ?= /dev/null |
| | 135 | |
| | 136 | quiet_cmd_mkimage = MKIMAGE $@ |
| | 137 | cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ |
| | 138 | $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT)) |
| | 139 | |
| | 140 | MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) |
| | 141 | |
| | 142 | MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) |
| | 143 | |
| | 144 | MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE |
| | 145 | $(call if_changed,mkimage) |
| | 146 | |
| | 147 | ifeq ($(CONFIG_SYS_SOC),"at91") |
| | 148 | MKIMAGEFLAGS_boot.bin = -T atmelimage |
| | 149 | |
| | 150 | ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) |
| | 151 | MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) |
| | 152 | |
| | 153 | boot.bin: $(obj)/../tools/atmel_pmecc_params |
| | 154 | endif |
| | 155 | |
| | 156 | boot.bin: $(obj)/u-boot-spl.bin FORCE |
| | 157 | $(call if_changed,mkimage) |
| | 158 | else |
| | 159 | ifdef CONFIG_ARCH_ZYNQ |
| | 160 | MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) |
| | 161 | endif |
| | 162 | ifdef CONFIG_ARCH_ZYNQMP |
| | 163 | MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) |
| | 164 | endif |
| | 165 | |
| | 166 | spl/boot.bin: $(obj)/u-boot-spl.bin FORCE |
| | 167 | $(call if_changed,mkimage) |
| | 168 | endif |
| | 169 | |
| | 170 | ALL-y += $(obj)/$(SPL_BIN).bin |
| | 171 | |
| | 172 | ifdef CONFIG_SAMSUNG |
| | 173 | ALL-y += $(obj)/$(BOARD)-spl.bin |
| | 174 | endif |
| | 175 | |
| | 176 | ifdef CONFIG_ARCH_SOCFPGA |
| | 177 | ALL-y += $(obj)/$(SPL_BIN).sfp |
| | 178 | endif |
| | 179 | |
| | 180 | ifdef CONFIG_ARCH_SUNXI |
| | 181 | ALL-y += $(obj)/sunxi-spl.bin |
| | 182 | |
| | 183 | ifdef CONFIG_NAND_SUNXI |
| | 184 | ALL-y += $(obj)/sunxi-spl-with-ecc.bin |
| | 185 | endif |
| | 186 | endif |
| | 187 | |
| | 188 | ifeq ($(CONFIG_SYS_SOC),"at91") |
| | 189 | ALL-y += boot.bin |
| | 190 | endif |
| | 191 | |
| | 192 | ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin |
| | 193 | |
| | 194 | ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin |
| | 195 | ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin |
| | 196 | |
| | 197 | all: $(ALL-y) |
| | 198 | |
| | 199 | quiet_cmd_cat = CAT $@ |
| | 200 | cmd_cat = cat $(filter-out $(PHONY), $^) > $@ |
| | 201 | |
| | 202 | quiet_cmd_copy = COPY $@ |
| | 203 | cmd_copy = cp $< $@ |
| | 204 | |
| | 205 | ifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_SPL_OF_PLATDATA),yy) |
| | 206 | $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \ |
| | 207 | $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \ |
| | 208 | $(obj)/$(SPL_BIN).dtb FORCE |
| | 209 | $(call if_changed,cat) |
| | 210 | |
| | 211 | $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE |
| | 212 | $(call if_changed,copy) |
| | 213 | else |
| | 214 | $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE |
| | 215 | $(call if_changed,copy) |
| | 216 | endif |
| | 217 | |
| | 218 | # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end |
| | 219 | $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) |
| | 220 | @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ |
| | 221 | dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; |
| | 222 | |
| | 223 | # Pass the original device tree file through fdtgrep twice. The first pass |
| | 224 | # removes any unwanted nodes (i.e. those which don't have the |
| | 225 | # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second |
| | 226 | # pass removes various unused properties from the remaining nodes. |
| | 227 | # The output is typically a much smaller device tree file. |
| | 228 | ifeq ($(CONFIG_TPL_BUILD),y) |
| | 229 | fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl |
| | 230 | else |
| | 231 | fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl |
| | 232 | endif |
| | 233 | quiet_cmd_fdtgrep = FDTGREP $@ |
| | 234 | cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \ |
| | 235 | -n /chosen -O dtb | \ |
| | 236 | $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ |
| | 237 | $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) |
| | 238 | |
| | 239 | $(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE |
| | 240 | $(call if_changed,fdtgrep) |
| | 241 | |
| | 242 | pythonpath = PYTHONPATH=tools |
| | 243 | |
| | 244 | quiet_cmd_dtocc = DTOC C $@ |
| | 245 | cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata |
| | 246 | |
| | 247 | quiet_cmd_dtoch = DTOC H $@ |
| | 248 | cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct |
| | 249 | |
| | 250 | quiet_cmd_plat = PLAT $@ |
| | 251 | cmd_plat = $(CC) $(c_flags) -c $< -o $@ |
| | 252 | |
| | 253 | $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h |
| | 254 | $(call if_changed,plat) |
| | 255 | |
| | 256 | PHONY += dts_dir |
| | 257 | dts_dir: |
| | 258 | $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts) |
| | 259 | |
| | 260 | include/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir dtoc |
| | 261 | $(call if_changed,dtoch) |
| | 262 | |
| | 263 | $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir dtoc |
| | 264 | $(call if_changed,dtocc) |
| | 265 | |
| | 266 | dtoc: #$(objtree)/tools/_libfdt.so |
| | 267 | |
| | 268 | ifdef CONFIG_SAMSUNG |
| | 269 | ifdef CONFIG_VAR_SIZE_SPL |
| | 270 | VAR_SIZE_PARAM = --vs |
| | 271 | else |
| | 272 | VAR_SIZE_PARAM = |
| | 273 | endif |
| | 274 | $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin |
| | 275 | $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ |
| | 276 | $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ |
| | 277 | $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ |
| | 278 | endif |
| | 279 | |
| | 280 | quiet_cmd_objcopy = OBJCOPY $@ |
| | 281 | cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ |
| | 282 | |
| | 283 | OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \ |
| | 284 | $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec) |
| | 285 | |
| | 286 | $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE |
| | 287 | $(call if_changed,objcopy) |
| | 288 | |
| | 289 | OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec |
| | 290 | $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE |
| | 291 | $(call if_changed,objcopy) |
| | 292 | |
| | 293 | LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) |
| | 294 | |
| | 295 | # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. |
| | 296 | LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker) |
| | 297 | |
| | 298 | ifneq ($(CONFIG_SPL_TEXT_BASE),) |
| | 299 | LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) |
| | 300 | endif |
| | 301 | |
| | 302 | MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage |
| | 303 | $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE |
| | 304 | $(call if_changed,mkimage) |
| | 305 | |
| | 306 | quiet_cmd_mksunxiboot = MKSUNXI $@ |
| | 307 | cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ |
| | 308 | $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE |
| | 309 | $(call if_changed,mksunxiboot) |
| | 310 | |
| | 311 | quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@ |
| | 312 | cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \ |
| | 313 | -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \ |
| | 314 | -p $(CONFIG_SYS_NAND_PAGE_SIZE) \ |
| | 315 | -o $(CONFIG_SYS_NAND_OOBSIZE) \ |
| | 316 | -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \ |
| | 317 | -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \ |
| | 318 | -s -b $< $@ |
| | 319 | $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin |
| | 320 | $(call if_changed,sunxi_spl_image_builder) |
| | 321 | |
| | 322 | # Rule to link u-boot-spl |
| | 323 | # May be overridden by arch/$(ARCH)/config.mk |
| | 324 | quiet_cmd_u-boot-spl ?= LD $@ |
| | 325 | cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ |
| | 326 | $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ |
| | 327 | $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \ |
| | 328 | $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \ |
| | 329 | --end-group \ |
| | 330 | $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) |
| | 331 | |
| | 332 | $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \ |
| | 333 | $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE |
| | 334 | $(call if_changed,u-boot-spl) |
| | 335 | |
| | 336 | $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; |
| | 337 | |
| | 338 | PHONY += $(u-boot-spl-dirs) |
| | 339 | $(u-boot-spl-dirs): $(u-boot-spl-platdata) |
| | 340 | $(Q)$(MAKE) $(build)=$@ |
| | 341 | |
| | 342 | quiet_cmd_cpp_lds = LDS $@ |
| | 343 | cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ |
| | 344 | -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< |
| | 345 | |
| | 346 | $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE |
| | 347 | $(call if_changed_dep,cpp_lds) |
| | 348 | |
| | 349 | # read all saved command lines |
| | 350 | |
| | 351 | targets := $(wildcard $(sort $(targets))) |
| | 352 | cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) |
| | 353 | |
| | 354 | ifneq ($(cmd_files),) |
| | 355 | $(cmd_files): ; # Do not try to update included dependency files |
| | 356 | include $(cmd_files) |
| | 357 | endif |
| | 358 | |
| | 359 | PHONY += FORCE |
| | 360 | FORCE: |
| | 361 | |
| | 362 | # Declare the contents of the .PHONY variable as phony. We keep that |
| | 363 | # information in a variable so we can use it in if_changed and friends. |
| | 364 | .PHONY: $(PHONY) |
projects / people / ms / u-boot.git / blame_incremental