| # |
| # (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. |
| # |
| |
| CONFIG_SPL_BUILD := y |
| export CONFIG_SPL_BUILD |
| |
| ifeq ($(CONFIG_TPL_BUILD),y) |
| export CONFIG_TPL_BUILD |
| SPL_BIN := u-boot-tpl |
| else |
| SPL_BIN := u-boot-spl |
| endif |
| |
| include $(TOPDIR)/config.mk |
| |
| # We want the final binaries in this directory |
| ifeq ($(CONFIG_TPL_BUILD),y) |
| obj := $(OBJTREE)/tpl/ |
| SPLTREE := $(TPLTREE) |
| else |
| obj := $(OBJTREE)/spl/ |
| endif |
| |
| 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 |
| |
| START := $(START_PATH)/start.o |
| ifeq ($(CPU),x86) |
| START += $(START_PATH)/start16.o |
| START += $(START_PATH)/resetvec.o |
| endif |
| ifeq ($(CPU),ppc4xx) |
| START += $(START_PATH)/resetvec.o |
| endif |
| ifeq ($(CPU),mpc85xx) |
| START += $(START_PATH)/resetvec.o |
| endif |
| |
| LIBS-y += arch/$(ARCH)/lib/ |
| |
| LIBS-y += $(CPUDIR)/ |
| |
| ifdef SOC |
| LIBS-y += $(CPUDIR)/$(SOC)/ |
| endif |
| LIBS-y += 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-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/ |
| LIBS-$(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-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ \ |
| drivers/power/pmic/ |
| LIBS-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/ |
| 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/ |
| |
| 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/ |
| |
| LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) |
| |
| # Add GCC lib |
| ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") |
| PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o |
| PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) |
| endif |
| |
| START := $(addprefix $(SPLTREE)/,$(START)) |
| LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y))) |
| |
| __START := $(subst $(obj),,$(START)) |
| __LIBS := $(subst $(obj),,$(LIBS)) |
| |
| # Linker Script |
| ifdef CONFIG_SPL_LDSCRIPT |
| # need to strip off double quotes |
| LDSCRIPT := $(addprefix $(SRCTREE)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) |
| endif |
| |
| ifeq ($(wildcard $(LDSCRIPT)),) |
| LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds |
| endif |
| ifeq ($(wildcard $(LDSCRIPT)),) |
| LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds |
| endif |
| ifeq ($(wildcard $(LDSCRIPT)),) |
| LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds |
| endif |
| ifeq ($(wildcard $(LDSCRIPT)),) |
| $(error could not find linker script) |
| endif |
| |
| build := -f $(TOPDIR)/scripts/Makefile.build -C |
| |
| # Special flags for CPP when processing the linker script. |
| # Pass the version down so we can handle backwards compatibility |
| # on the fly. |
| LDPPFLAGS += \ |
| -include $(TOPDIR)/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') |
| |
| $(OBJTREE)/MLO: $(obj)u-boot-spl.bin |
| $(OBJTREE)/tools/mkimage -T omapimage \ |
| -a $(CONFIG_SPL_TEXT_BASE) -d $< $@ |
| |
| $(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin |
| $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \ |
| -a $(CONFIG_SPL_TEXT_BASE) -d $< $@ |
| |
| $(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend |
| $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $@ |
| |
| ALL-y += $(obj)$(SPL_BIN).bin |
| |
| ifdef CONFIG_SAMSUNG |
| ALL-y += $(obj)$(BOARD)-spl.bin |
| endif |
| |
| all: $(ALL-y) |
| |
| ifdef CONFIG_SAMSUNG |
| $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin |
| $(OBJTREE)/tools/mk$(BOARD)spl $< $@ |
| endif |
| |
| $(obj)$(SPL_BIN).bin: $(obj)$(SPL_BIN) |
| $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@ |
| |
| GEN_UBOOT = \ |
| cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \ |
| --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ |
| -Map $(SPL_BIN).map -o $(SPL_BIN) |
| |
| $(obj)$(SPL_BIN): depend $(START) $(LIBS) $(obj)u-boot-spl.lds |
| $(GEN_UBOOT) |
| |
| $(START): |
| @: |
| |
| $(LIBS): depend |
| $(MAKE) $(build) $(SRCTREE)$(dir $(subst $(SPLTREE),,$@)) |
| |
| $(obj)u-boot-spl.lds: $(LDSCRIPT) depend |
| $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@ |
| |
| depend: $(obj).depend |
| .PHONY: depend |
| |
| # defines $(obj).depend target |
| include $(SRCTREE)/rules.mk |