| # |
| # (C) Copyright 2000-2011 |
| # Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| # |
| # (C) Copyright 2011 |
| # Daniel Schwierzeck, daniel.schwierzeck@googlemail.com. |
| # |
| # (C) Copyright 2011 |
| # Texas Instruments Incorporated - http://www.ti.com/ |
| # Aneesh V <aneesh@ti.com> |
| # |
| # SPDX-License-Identifier: GPL-2.0+ |
| # |
| # Based on top-level Makefile. |
| # |
| |
| src := $(obj) |
| |
| # Create output directory if not already present |
| _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) |
| |
| include $(srctree)/scripts/Kbuild.include |
| |
| UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE) |
| |
| -include $(obj)/include/config/auto.conf |
| -include $(obj)/include/autoconf.mk |
| |
| ifeq ($(CONFIG_TPL_BUILD),y) |
| export CONFIG_TPL_BUILD |
| SPL_BIN := u-boot-tpl |
| else |
| SPL_BIN := u-boot-spl |
| endif |
| |
| include $(srctree)/config.mk |
| |
| # Enable garbage collection of un-used sections for SPL |
| KBUILD_CFLAGS += -ffunction-sections -fdata-sections |
| LDFLAGS_FINAL += --gc-sections |
| |
| # FIX ME |
| cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ |
| $(NOSTDINC_FLAGS) |
| |
| HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) |
| |
| ifdef CONFIG_SPL_START_S_PATH |
| START_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%) |
| else |
| START_PATH := $(CPUDIR) |
| endif |
| |
| head-y := $(START_PATH)/start.o |
| head-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o |
| head-$(CONFIG_4xx) += $(START_PATH)/resetvec.o |
| head-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o |
| |
| libs-y += arch/$(ARCH)/lib/ |
| |
| libs-y += $(CPUDIR)/ |
| |
| libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) |
| libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ |
| |
| libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ |
| libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ |
| libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ |
| libs-$(CONFIG_SPL_DM) += drivers/core/ |
| libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/ |
| libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/ |
| libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/ |
| libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/ |
| libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/ |
| libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/ |
| libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/ |
| libs-y += fs/ |
| libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ |
| libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/ |
| libs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/ |
| libs-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/ |
| libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/ |
| libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/ |
| libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/ |
| libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ |
| libs-$(CONFIG_SPL_NET_SUPPORT) += net/ |
| libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/ |
| libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/ |
| libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/ |
| libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/ |
| libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/ |
| libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/ |
| libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/ |
| libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/ |
| libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/ |
| |
| ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35)) |
| libs-y += arch/$(ARCH)/imx-common/ |
| endif |
| |
| libs-$(CONFIG_ARM) += arch/arm/cpu/ |
| libs-$(CONFIG_PPC) += arch/powerpc/cpu/ |
| |
| head-y := $(addprefix $(obj)/,$(head-y)) |
| libs-y := $(addprefix $(obj)/,$(libs-y)) |
| u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) |
| |
| libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) |
| |
| # Add GCC lib |
| ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) |
| PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a |
| PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) |
| endif |
| |
| u-boot-spl-init := $(head-y) |
| u-boot-spl-main := $(libs-y) |
| |
| # Linker Script |
| ifdef CONFIG_SPL_LDSCRIPT |
| # need to strip off double quotes |
| LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) |
| endif |
| |
| ifeq ($(wildcard $(LDSCRIPT)),) |
| LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds |
| endif |
| ifeq ($(wildcard $(LDSCRIPT)),) |
| LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds |
| endif |
| ifeq ($(wildcard $(LDSCRIPT)),) |
| LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds |
| endif |
| ifeq ($(wildcard $(LDSCRIPT)),) |
| $(error could not find linker script) |
| endif |
| |
| # Special flags for CPP when processing the linker script. |
| # Pass the version down so we can handle backwards compatibility |
| # on the fly. |
| LDPPFLAGS += \ |
| -include $(srctree)/include/u-boot/u-boot.lds.h \ |
| -include $(objtree)/include/config.h \ |
| -DCPUDIR=$(CPUDIR) \ |
| $(shell $(LD) --version | \ |
| sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') |
| |
| quiet_cmd_mkimage = MKIMAGE $@ |
| cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ |
| $(if $(KBUILD_VERBOSE:1=), >/dev/null) |
| |
| MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) |
| |
| MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) |
| |
| MLO MLO.byteswap: $(obj)/u-boot-spl.bin |
| $(call if_changed,mkimage) |
| |
| MKIMAGEFLAGS_boot.bin = -T atmelimage |
| |
| ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) |
| MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) |
| |
| boot.bin: $(obj)/../tools/atmel_pmecc_params |
| endif |
| |
| boot.bin: $(obj)/u-boot-spl.bin |
| $(call if_changed,mkimage) |
| |
| ALL-y += $(obj)/$(SPL_BIN).bin |
| |
| ifdef CONFIG_SAMSUNG |
| ALL-y += $(obj)/$(BOARD)-spl.bin |
| endif |
| |
| ifdef CONFIG_SUNXI |
| ifndef CONFIG_SPL_FEL |
| ALL-y += $(obj)/sunxi-spl.bin |
| endif |
| endif |
| |
| ifeq ($(CONFIG_SYS_SOC),"at91") |
| ALL-y += boot.bin |
| endif |
| |
| all: $(ALL-y) |
| |
| ifdef CONFIG_SAMSUNG |
| ifdef CONFIG_VAR_SIZE_SPL |
| VAR_SIZE_PARAM = --vs |
| else |
| VAR_SIZE_PARAM = |
| endif |
| $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin |
| $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ |
| $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ |
| $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ |
| endif |
| |
| quiet_cmd_objcopy = OBJCOPY $@ |
| cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ |
| |
| OBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary |
| |
| $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE |
| $(call if_changed,objcopy) |
| |
| LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) |
| ifneq ($(CONFIG_SPL_TEXT_BASE),) |
| LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) |
| endif |
| |
| ifdef CONFIG_SUNXI |
| quiet_cmd_mksunxiboot = MKSUNXI $@ |
| cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ |
| $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin |
| $(call if_changed,mksunxiboot) |
| endif |
| |
| quiet_cmd_u-boot-spl = LD $@ |
| cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ |
| $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ |
| $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \ |
| $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) |
| |
| $(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE |
| $(call if_changed,u-boot-spl) |
| |
| $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; |
| |
| PHONY += $(u-boot-spl-dirs) |
| $(u-boot-spl-dirs): |
| $(Q)$(MAKE) $(build)=$@ |
| |
| quiet_cmd_cpp_lds = LDS $@ |
| cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ |
| -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< |
| |
| $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE |
| $(call if_changed_dep,cpp_lds) |
| |
| # read all saved command lines |
| |
| targets := $(wildcard $(sort $(targets))) |
| cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) |
| |
| ifneq ($(cmd_files),) |
| $(cmd_files): ; # Do not try to update included dependency files |
| include $(cmd_files) |
| endif |
| |
| PHONY += FORCE |
| FORCE: |
| |
| # Declare the contents of the .PHONY variable as phony. We keep that |
| # information in a variable so we can use it in if_changed and friends. |
| .PHONY: $(PHONY) |