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 $(srctree)/scripts/Kbuild.include 23c7163083SMasahiro Yamada 2451148790SMasahiro YamadaUBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE) 25c7163083SMasahiro Yamada 2651148790SMasahiro Yamada-include $(obj)/include/config/auto.conf 2751148790SMasahiro Yamada-include $(obj)/include/autoconf.mk 28c7163083SMasahiro Yamada 29c7163083SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 30c7163083SMasahiro Yamadaexport CONFIG_TPL_BUILD 31c7163083SMasahiro YamadaSPL_BIN := u-boot-tpl 32c7163083SMasahiro Yamadaelse 33c7163083SMasahiro YamadaSPL_BIN := u-boot-spl 34c7163083SMasahiro Yamadaendif 35c7163083SMasahiro Yamada 36c7163083SMasahiro Yamadainclude $(srctree)/config.mk 37c7163083SMasahiro Yamada 38c7163083SMasahiro Yamada# Enable garbage collection of un-used sections for SPL 39c7163083SMasahiro YamadaKBUILD_CFLAGS += -ffunction-sections -fdata-sections 40c7163083SMasahiro YamadaLDFLAGS_FINAL += --gc-sections 41c7163083SMasahiro Yamada 42c7163083SMasahiro Yamada# FIX ME 43c7163083SMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 44c7163083SMasahiro Yamada $(NOSTDINC_FLAGS) 45c7163083SMasahiro Yamada 46c7163083SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 47c7163083SMasahiro Yamada 48c7163083SMasahiro Yamadaifdef CONFIG_SPL_START_S_PATH 49c7163083SMasahiro YamadaSTART_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%) 50c7163083SMasahiro Yamadaelse 51c7163083SMasahiro YamadaSTART_PATH := $(CPUDIR) 52c7163083SMasahiro Yamadaendif 53c7163083SMasahiro Yamada 54c7163083SMasahiro Yamadahead-y := $(START_PATH)/start.o 55c7163083SMasahiro Yamadahead-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o 56c7163083SMasahiro Yamadahead-$(CONFIG_4xx) += $(START_PATH)/resetvec.o 57c7163083SMasahiro Yamadahead-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o 58c7163083SMasahiro Yamada 59c7163083SMasahiro Yamadalibs-y += arch/$(ARCH)/lib/ 60c7163083SMasahiro Yamada 61c7163083SMasahiro Yamadalibs-y += $(CPUDIR)/ 62c7163083SMasahiro Yamada 63c7163083SMasahiro Yamadaifdef SOC 64c7163083SMasahiro Yamadalibs-y += $(CPUDIR)/$(SOC)/ 65c7163083SMasahiro Yamadaendif 66c7163083SMasahiro Yamadalibs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 67c7163083SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 68c7163083SMasahiro Yamada 69c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ 70c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ 71c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ 72c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/ 73c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/ 74c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/ 75c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/ 76c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/ 77c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/ 78c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/ 79c7163083SMasahiro Yamadalibs-y += fs/ 80c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ 81c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/ 82c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/ 83c7163083SMasahiro Yamadalibs-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/ 84c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/ 85c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/ 86c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/ 87c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ 88c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_NET_SUPPORT) += net/ 89c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/ 90c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/ 91c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/ 92c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/ 93c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/ 94c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/ 95c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/ 96c7163083SMasahiro Yamadalibs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/ 97c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/ 98c7163083SMasahiro Yamada 99c7163083SMasahiro Yamadaifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35)) 100c7163083SMasahiro Yamadalibs-y += arch/$(ARCH)/imx-common/ 101c7163083SMasahiro Yamadaendif 102c7163083SMasahiro Yamada 103c7163083SMasahiro Yamadalibs-$(CONFIG_ARM) += arch/arm/cpu/ 104c7163083SMasahiro Yamadalibs-$(CONFIG_PPC) += arch/powerpc/cpu/ 105c7163083SMasahiro Yamada 106c7163083SMasahiro Yamadahead-y := $(addprefix $(obj)/,$(head-y)) 107c7163083SMasahiro Yamadalibs-y := $(addprefix $(obj)/,$(libs-y)) 108c7163083SMasahiro Yamadau-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) 109c7163083SMasahiro Yamada 110c7163083SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 111c7163083SMasahiro Yamada 112c7163083SMasahiro Yamada# Add GCC lib 113c7163083SMasahiro Yamadaifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 114c7163083SMasahiro YamadaPLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 115c7163083SMasahiro YamadaPLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) 116c7163083SMasahiro Yamadaendif 117c7163083SMasahiro Yamada 118c7163083SMasahiro Yamadau-boot-spl-init := $(head-y) 119c7163083SMasahiro Yamadau-boot-spl-main := $(libs-y) 120c7163083SMasahiro Yamada 121c7163083SMasahiro Yamada# Linker Script 122c7163083SMasahiro Yamadaifdef CONFIG_SPL_LDSCRIPT 123c7163083SMasahiro Yamada# need to strip off double quotes 124c7163083SMasahiro YamadaLDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) 125c7163083SMasahiro Yamadaendif 126c7163083SMasahiro Yamada 127c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 128c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds 129c7163083SMasahiro Yamadaendif 130c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 131c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds 132c7163083SMasahiro Yamadaendif 133c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 134c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds 135c7163083SMasahiro Yamadaendif 136c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 137c7163083SMasahiro Yamada$(error could not find linker script) 138c7163083SMasahiro Yamadaendif 139c7163083SMasahiro Yamada 140c7163083SMasahiro Yamada# Special flags for CPP when processing the linker script. 141c7163083SMasahiro Yamada# Pass the version down so we can handle backwards compatibility 142c7163083SMasahiro Yamada# on the fly. 143c7163083SMasahiro YamadaLDPPFLAGS += \ 144c7163083SMasahiro Yamada -include $(srctree)/include/u-boot/u-boot.lds.h \ 145c7163083SMasahiro Yamada -include $(objtree)/include/config.h \ 146c7163083SMasahiro Yamada -DCPUDIR=$(CPUDIR) \ 147c7163083SMasahiro Yamada $(shell $(LD) --version | \ 148c7163083SMasahiro Yamada sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 149c7163083SMasahiro Yamada 150c7163083SMasahiro Yamadaquiet_cmd_mkimage = MKIMAGE $@ 151c7163083SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 152c7163083SMasahiro Yamada $(if $(KBUILD_VERBOSE:1=), >/dev/null) 153c7163083SMasahiro Yamada 154c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) 155c7163083SMasahiro Yamada 156c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) 157c7163083SMasahiro Yamada 158c7163083SMasahiro YamadaMLO MLO.byteswap: $(obj)/u-boot-spl.bin 159c7163083SMasahiro Yamada $(call if_changed,mkimage) 160c7163083SMasahiro Yamada 161c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin = -T atmelimage 162c7163083SMasahiro Yamada 163c7163083SMasahiro Yamadaifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) 164c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) 165c7163083SMasahiro Yamada 166c7163083SMasahiro Yamadaboot.bin: $(obj)/../tools/atmel_pmecc_params 167c7163083SMasahiro Yamadaendif 168c7163083SMasahiro Yamada 169c7163083SMasahiro Yamadaboot.bin: $(obj)/u-boot-spl.bin 170c7163083SMasahiro Yamada $(call if_changed,mkimage) 171c7163083SMasahiro Yamada 172c7163083SMasahiro YamadaALL-y += $(obj)/$(SPL_BIN).bin 173c7163083SMasahiro Yamada 174c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 175c7163083SMasahiro YamadaALL-y += $(obj)/$(BOARD)-spl.bin 176c7163083SMasahiro Yamadaendif 177c7163083SMasahiro Yamada 178c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 179c7163083SMasahiro Yamadaifndef CONFIG_SPL_FEL 180c7163083SMasahiro YamadaALL-y += $(obj)/sunxi-spl.bin 181c7163083SMasahiro Yamadaendif 182c7163083SMasahiro Yamadaendif 183c7163083SMasahiro Yamada 184c7163083SMasahiro Yamadaall: $(ALL-y) 185c7163083SMasahiro Yamada 186c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 187c7163083SMasahiro Yamadaifdef CONFIG_VAR_SIZE_SPL 188c7163083SMasahiro YamadaVAR_SIZE_PARAM = --vs 189c7163083SMasahiro Yamadaelse 190c7163083SMasahiro YamadaVAR_SIZE_PARAM = 191c7163083SMasahiro Yamadaendif 192c7163083SMasahiro Yamada$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin 193c7163083SMasahiro Yamada $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ 194c7163083SMasahiro Yamada $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ 195c7163083SMasahiro Yamada $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ 196c7163083SMasahiro Yamadaendif 197c7163083SMasahiro Yamada 198c7163083SMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 199c7163083SMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 200c7163083SMasahiro Yamada 201c7163083SMasahiro YamadaOBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary 202c7163083SMasahiro Yamada 203c7163083SMasahiro Yamada$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE 204c7163083SMasahiro Yamada $(call if_changed,objcopy) 205c7163083SMasahiro Yamada 206c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) 207c7163083SMasahiro Yamadaifneq ($(CONFIG_SPL_TEXT_BASE),) 208c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) 209c7163083SMasahiro Yamadaendif 210c7163083SMasahiro Yamada 211c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 212c7163083SMasahiro Yamadaquiet_cmd_mksunxiboot = MKSUNXI $@ 213c7163083SMasahiro Yamadacmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ 214c7163083SMasahiro Yamada$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin 215c7163083SMasahiro Yamada $(call if_changed,mksunxiboot) 216c7163083SMasahiro Yamadaendif 217c7163083SMasahiro Yamada 218c7163083SMasahiro Yamadaquiet_cmd_u-boot-spl = LD $@ 219*9adb6d24SMasahiro Yamada cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 220c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ 221c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \ 222*9adb6d24SMasahiro Yamada $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) 223c7163083SMasahiro Yamada 224*9adb6d24SMasahiro Yamada$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE 225*9adb6d24SMasahiro Yamada $(call if_changed,u-boot-spl) 226c7163083SMasahiro Yamada 227c7163083SMasahiro Yamada$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; 228c7163083SMasahiro Yamada 229c7163083SMasahiro YamadaPHONY += $(u-boot-spl-dirs) 230c7163083SMasahiro Yamada$(u-boot-spl-dirs): 231c7163083SMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 232c7163083SMasahiro Yamada 233c7163083SMasahiro Yamadaquiet_cmd_cpp_lds = LDS $@ 234c7163083SMasahiro Yamadacmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 235c7163083SMasahiro Yamada -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 236c7163083SMasahiro Yamada 237c7163083SMasahiro Yamada$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE 238c7163083SMasahiro Yamada $(call if_changed_dep,cpp_lds) 239c7163083SMasahiro Yamada 240c7163083SMasahiro Yamada# read all saved command lines 241c7163083SMasahiro Yamada 242c7163083SMasahiro Yamadatargets := $(wildcard $(sort $(targets))) 243c7163083SMasahiro Yamadacmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 244c7163083SMasahiro Yamada 245c7163083SMasahiro Yamadaifneq ($(cmd_files),) 246c7163083SMasahiro Yamada $(cmd_files): ; # Do not try to update included dependency files 247c7163083SMasahiro Yamada include $(cmd_files) 248c7163083SMasahiro Yamadaendif 249c7163083SMasahiro Yamada 250c7163083SMasahiro YamadaPHONY += FORCE 251c7163083SMasahiro YamadaFORCE: 252c7163083SMasahiro Yamada 253c7163083SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 254c7163083SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 255c7163083SMasahiro Yamada.PHONY: $(PHONY) 256