1c7163083SMasahiro Yamada# 2c7163083SMasahiro Yamada# (C) Copyright 2000-2011 3c7163083SMasahiro Yamada# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4c7163083SMasahiro Yamada# 5c7163083SMasahiro Yamada# (C) Copyright 2011 6c7163083SMasahiro Yamada# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com. 7c7163083SMasahiro Yamada# 8c7163083SMasahiro Yamada# (C) Copyright 2011 9c7163083SMasahiro Yamada# Texas Instruments Incorporated - http://www.ti.com/ 10c7163083SMasahiro Yamada# Aneesh V <aneesh@ti.com> 11c7163083SMasahiro Yamada# 12c7163083SMasahiro Yamada# SPDX-License-Identifier: GPL-2.0+ 13c7163083SMasahiro Yamada# 14c7163083SMasahiro Yamada# Based on top-level Makefile. 15c7163083SMasahiro Yamada# 16c7163083SMasahiro Yamada 17c7163083SMasahiro Yamadasrc := $(obj) 18c7163083SMasahiro Yamada 19c7163083SMasahiro Yamada# Create output directory if not already present 20c7163083SMasahiro Yamada_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) 21c7163083SMasahiro Yamada 22c7163083SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include 23c7163083SMasahiro Yamada 24e02ee254SMasahiro Yamada-include include/config/auto.conf 2551148790SMasahiro Yamada-include $(obj)/include/autoconf.mk 26c7163083SMasahiro Yamada 27e02ee254SMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD 28c7163083SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 29e02ee254SMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD 30e02ee254SMasahiro Yamadaendif 31e02ee254SMasahiro Yamada 32e02ee254SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 33c7163083SMasahiro YamadaSPL_BIN := u-boot-tpl 34c7163083SMasahiro Yamadaelse 35c7163083SMasahiro YamadaSPL_BIN := u-boot-spl 36c7163083SMasahiro Yamadaendif 37c7163083SMasahiro Yamada 38c7163083SMasahiro Yamadainclude $(srctree)/config.mk 39e19db555SDaniel Schwierzeckinclude $(srctree)/arch/$(ARCH)/Makefile 40c7163083SMasahiro Yamada 41c7163083SMasahiro Yamada# Enable garbage collection of un-used sections for SPL 42c7163083SMasahiro YamadaKBUILD_CFLAGS += -ffunction-sections -fdata-sections 43c7163083SMasahiro YamadaLDFLAGS_FINAL += --gc-sections 44c7163083SMasahiro Yamada 45c7163083SMasahiro Yamada# FIX ME 46c7163083SMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 47c7163083SMasahiro Yamada $(NOSTDINC_FLAGS) 48c7163083SMasahiro Yamada 49c7163083SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 50c7163083SMasahiro Yamada 51c7163083SMasahiro Yamadalibs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 52c7163083SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 53c7163083SMasahiro Yamada 54c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ 55c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ 56c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ 57*f26c8a8eSSimon Glasslibs-$(CONFIG_SPL_CLK_SUPPORT) += drivers/clk/ 5811516518SSimon Glasslibs-$(CONFIG_SPL_DM) += drivers/core/ 59c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/ 60c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/ 61c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/ 62c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/ 630cf47862SStefan Roeselibs-$(CONFIG_SYS_MVEBU_DDR) += drivers/ddr/mvebu/ 64c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/ 65c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/ 66c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/ 67c7163083SMasahiro Yamadalibs-y += fs/ 685917112cSSimon Glasslibs-$(CONFIG_SPL_LED_SUPPORT) += drivers/led/ 69c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ 70c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/ 7130987ef1SSimon Glasslibs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/regulator/ 72c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/ 73167544e8SMasahiro Yamadalibs-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/ 74c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/ 75c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/ 76c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/ 77c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ 78c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_NET_SUPPORT) += net/ 79c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/ 80c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/ 81c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/ 826c51df68SSimon Glasslibs-$(CONFIG_SPL_RAM_SUPPORT) += drivers/ram/ 83c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/ 84c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/ 85c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/ 86c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/ 87c7163083SMasahiro Yamadalibs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/ 88c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/ 89c7163083SMasahiro Yamada 90c7163083SMasahiro Yamadahead-y := $(addprefix $(obj)/,$(head-y)) 91c7163083SMasahiro Yamadalibs-y := $(addprefix $(obj)/,$(libs-y)) 92c7163083SMasahiro Yamadau-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) 93c7163083SMasahiro Yamada 94c7163083SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 95c7163083SMasahiro Yamada 96c7163083SMasahiro Yamada# Add GCC lib 97c7163083SMasahiro Yamadaifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 98c7163083SMasahiro YamadaPLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 99c7163083SMasahiro YamadaPLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) 100c7163083SMasahiro Yamadaendif 101c7163083SMasahiro Yamada 102c7163083SMasahiro Yamadau-boot-spl-init := $(head-y) 103c7163083SMasahiro Yamadau-boot-spl-main := $(libs-y) 104c7163083SMasahiro Yamada 105c7163083SMasahiro Yamada# Linker Script 106c7163083SMasahiro Yamadaifdef CONFIG_SPL_LDSCRIPT 107c7163083SMasahiro Yamada# need to strip off double quotes 108c7163083SMasahiro YamadaLDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) 109c7163083SMasahiro Yamadaendif 110c7163083SMasahiro Yamada 111c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 112c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds 113c7163083SMasahiro Yamadaendif 114c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 115c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds 116c7163083SMasahiro Yamadaendif 117c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 118c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds 119c7163083SMasahiro Yamadaendif 120c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 121c7163083SMasahiro Yamada$(error could not find linker script) 122c7163083SMasahiro Yamadaendif 123c7163083SMasahiro Yamada 124c7163083SMasahiro Yamada# Special flags for CPP when processing the linker script. 125c7163083SMasahiro Yamada# Pass the version down so we can handle backwards compatibility 126c7163083SMasahiro Yamada# on the fly. 127c7163083SMasahiro YamadaLDPPFLAGS += \ 128c7163083SMasahiro Yamada -include $(srctree)/include/u-boot/u-boot.lds.h \ 129c7163083SMasahiro Yamada -include $(objtree)/include/config.h \ 130c7163083SMasahiro Yamada -DCPUDIR=$(CPUDIR) \ 131c7163083SMasahiro Yamada $(shell $(LD) --version | \ 132c7163083SMasahiro Yamada sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 133c7163083SMasahiro Yamada 134c7163083SMasahiro Yamadaquiet_cmd_mkimage = MKIMAGE $@ 135c7163083SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 136c7163083SMasahiro Yamada $(if $(KBUILD_VERBOSE:1=), >/dev/null) 137c7163083SMasahiro Yamada 138c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) 139c7163083SMasahiro Yamada 140c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) 141c7163083SMasahiro Yamada 142c7163083SMasahiro YamadaMLO MLO.byteswap: $(obj)/u-boot-spl.bin 143c7163083SMasahiro Yamada $(call if_changed,mkimage) 144c7163083SMasahiro Yamada 145c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin = -T atmelimage 146c7163083SMasahiro Yamada 147c7163083SMasahiro Yamadaifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) 148c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) 149c7163083SMasahiro Yamada 150c7163083SMasahiro Yamadaboot.bin: $(obj)/../tools/atmel_pmecc_params 151c7163083SMasahiro Yamadaendif 152c7163083SMasahiro Yamada 153c7163083SMasahiro Yamadaboot.bin: $(obj)/u-boot-spl.bin 154c7163083SMasahiro Yamada $(call if_changed,mkimage) 155c7163083SMasahiro Yamada 156741e58e0SSimon GlassALL-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).cfg 157c7163083SMasahiro Yamada 158fa78e0a3SSimon GlassALL-$(CONFIG_OF_SEPARATE) += $(obj)/$(SPL_BIN)-pad.bin $(obj)/$(SPL_BIN)-dtb.bin 159fa78e0a3SSimon Glass 160c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 161c7163083SMasahiro YamadaALL-y += $(obj)/$(BOARD)-spl.bin 162c7163083SMasahiro Yamadaendif 163c7163083SMasahiro Yamada 164c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 165c7163083SMasahiro YamadaALL-y += $(obj)/sunxi-spl.bin 166c7163083SMasahiro Yamadaendif 167c7163083SMasahiro Yamada 168c001486dSHeiko Schocherifeq ($(CONFIG_SYS_SOC),"at91") 169c001486dSHeiko SchocherALL-y += boot.bin 170c001486dSHeiko Schocherendif 171c001486dSHeiko Schocher 172c7163083SMasahiro Yamadaall: $(ALL-y) 173c7163083SMasahiro Yamada 174fa78e0a3SSimon Glassquiet_cmd_cat = CAT $@ 175fa78e0a3SSimon Glasscmd_cat = cat $(filter-out $(PHONY), $^) > $@ 176fa78e0a3SSimon Glass 177fa78e0a3SSimon Glass$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN)-pad.bin \ 178fa78e0a3SSimon Glass $(obj)/$(SPL_BIN).dtb FORCE 179fa78e0a3SSimon Glass $(call if_changed,cat) 180fa78e0a3SSimon Glass 181fa78e0a3SSimon Glass# Create a file that pads from the end of u-boot-spl.bin to bss_end 182fa78e0a3SSimon Glass$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) 183fa78e0a3SSimon Glass @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ 184fa78e0a3SSimon Glass dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; 185fa78e0a3SSimon Glass 186fa78e0a3SSimon Glass# Pass the original device tree file through fdtgrep twice. The first pass 187fa78e0a3SSimon Glass# removes any unwanted nodes (i.e. those which don't have the 188fa78e0a3SSimon Glass# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second 189fa78e0a3SSimon Glass# pass removes various unused properties from the remaining nodes. 190fa78e0a3SSimon Glass# The output is typically a much smaller device tree file. 191fa78e0a3SSimon Glassquiet_cmd_fdtgrep = FDTGREP $@ 192fa78e0a3SSimon Glass cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \ 193fa78e0a3SSimon Glass -n /chosen -O dtb | \ 194fa78e0a3SSimon Glass $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ 195fa78e0a3SSimon Glass $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) 196fa78e0a3SSimon Glass 197fa78e0a3SSimon Glass$(obj)/$(SPL_BIN).dtb: dts/dt.dtb 198fa78e0a3SSimon Glass $(call cmd,fdtgrep) 199fa78e0a3SSimon Glass 200741e58e0SSimon Glassquiet_cmd_cpp_cfg = CFG $@ 201741e58e0SSimon Glasscmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 2023113471fSMasahiro Yamada -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $< 203741e58e0SSimon Glass 204741e58e0SSimon Glass$(obj)/$(SPL_BIN).cfg: include/config.h 205741e58e0SSimon Glass $(call if_changed,cpp_cfg) 206741e58e0SSimon Glass 207c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 208c7163083SMasahiro Yamadaifdef CONFIG_VAR_SIZE_SPL 209c7163083SMasahiro YamadaVAR_SIZE_PARAM = --vs 210c7163083SMasahiro Yamadaelse 211c7163083SMasahiro YamadaVAR_SIZE_PARAM = 212c7163083SMasahiro Yamadaendif 213c7163083SMasahiro Yamada$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin 214c7163083SMasahiro Yamada $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ 215c7163083SMasahiro Yamada $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ 216c7163083SMasahiro Yamada $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ 217c7163083SMasahiro Yamadaendif 218c7163083SMasahiro Yamada 219c7163083SMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 220c7163083SMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 221c7163083SMasahiro Yamada 222c7163083SMasahiro YamadaOBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary 223c7163083SMasahiro Yamada 224c7163083SMasahiro Yamada$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE 225c7163083SMasahiro Yamada $(call if_changed,objcopy) 226c7163083SMasahiro Yamada 227c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) 228c7163083SMasahiro Yamadaifneq ($(CONFIG_SPL_TEXT_BASE),) 229c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) 230c7163083SMasahiro Yamadaendif 231c7163083SMasahiro Yamada 232c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 233c7163083SMasahiro Yamadaquiet_cmd_mksunxiboot = MKSUNXI $@ 234c7163083SMasahiro Yamadacmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ 235c7163083SMasahiro Yamada$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin 236c7163083SMasahiro Yamada $(call if_changed,mksunxiboot) 237c7163083SMasahiro Yamadaendif 238c7163083SMasahiro Yamada 239c7163083SMasahiro Yamadaquiet_cmd_u-boot-spl = LD $@ 2409adb6d24SMasahiro Yamada cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 241c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ 242c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \ 2439adb6d24SMasahiro Yamada $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) 244c7163083SMasahiro Yamada 2459adb6d24SMasahiro Yamada$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE 2469adb6d24SMasahiro Yamada $(call if_changed,u-boot-spl) 247c7163083SMasahiro Yamada 248c7163083SMasahiro Yamada$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; 249c7163083SMasahiro Yamada 250c7163083SMasahiro YamadaPHONY += $(u-boot-spl-dirs) 251c7163083SMasahiro Yamada$(u-boot-spl-dirs): 252c7163083SMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 253c7163083SMasahiro Yamada 254c7163083SMasahiro Yamadaquiet_cmd_cpp_lds = LDS $@ 255c7163083SMasahiro Yamadacmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 256c7163083SMasahiro Yamada -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 257c7163083SMasahiro Yamada 258c7163083SMasahiro Yamada$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE 259c7163083SMasahiro Yamada $(call if_changed_dep,cpp_lds) 260c7163083SMasahiro Yamada 261c7163083SMasahiro Yamada# read all saved command lines 262c7163083SMasahiro Yamada 263c7163083SMasahiro Yamadatargets := $(wildcard $(sort $(targets))) 264c7163083SMasahiro Yamadacmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 265c7163083SMasahiro Yamada 266c7163083SMasahiro Yamadaifneq ($(cmd_files),) 267c7163083SMasahiro Yamada $(cmd_files): ; # Do not try to update included dependency files 268c7163083SMasahiro Yamada include $(cmd_files) 269c7163083SMasahiro Yamadaendif 270c7163083SMasahiro Yamada 271c7163083SMasahiro YamadaPHONY += FORCE 272c7163083SMasahiro YamadaFORCE: 273c7163083SMasahiro Yamada 274c7163083SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 275c7163083SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 276c7163083SMasahiro Yamada.PHONY: $(PHONY) 277