| # |
| # (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> |
| # |
| # This file is released under the terms of GPL v2 and any later version. |
| # See the file COPYING in the root directory of the source tree for details. |
| # |
| # Based on top-level Makefile. |
| # |
| |
| CONFIG_SPL_BUILD := y |
| export CONFIG_SPL_BUILD |
| |
| include $(TOPDIR)/config.mk |
| |
| # We want the final binaries in this directory |
| obj := $(OBJTREE)/spl/ |
| |
| HAVE_VENDOR_COMMON_LIB := $(shell [ -f $(SRCTREE)/board/$(VENDOR)/common/Makefile ] \ |
| && echo y || echo n) |
| |
| ifdef CONFIG_SPL_START_S_PATH |
| START_PATH := $(subst ",,$(CONFIG_SPL_START_S_PATH)) |
| else |
| START_PATH := $(CPUDIR) |
| endif |
| |
| START := $(START_PATH)/start.o |
| |
| LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o |
| LIBS-y += $(CPUDIR)/lib$(CPU).o |
| ifdef SOC |
| LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o |
| endif |
| LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o |
| LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o |
| |
| LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o |
| LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o |
| LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o |
| LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o |
| LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o |
| LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o |
| LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o |
| LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o |
| LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o |
| LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o |
| LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o |
| LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o |
| LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o |
| LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o |
| LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o |
| |
| ifneq ($(CONFIG_EXYNOS4)$(CONFIG_EXYNOS5),) |
| LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o |
| LIBS-y += $(CPUDIR)/exynos-common/libexynos-common.o |
| endif |
| |
| ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),) |
| LIBS-y += $(CPUDIR)/omap-common/libomap-common.o |
| 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 $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT))) |
| endif |
| |
| ifeq ($(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.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 $(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') |
| |
| ifdef CONFIG_OMAP |
| $(OBJTREE)/MLO: $(obj)u-boot-spl.bin |
| $(OBJTREE)/tools/mkimage -T omapimage \ |
| -a $(CONFIG_SPL_TEXT_BASE) -d $< $@ |
| endif |
| ifdef CONFIG_AM33XX |
| $(OBJTREE)/MLO: $(obj)u-boot-spl.bin |
| $(OBJTREE)/tools/mkimage -T omapimage \ |
| -a $(CONFIG_SPL_TEXT_BASE) -d $< $@ |
| endif |
| |
| ALL-y += $(obj)u-boot-spl.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 \ |
| $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin |
| endif |
| |
| $(obj)u-boot-spl.bin: $(obj)u-boot-spl |
| $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@ |
| |
| GEN_UBOOT = \ |
| UNDEF_SYM=`$(OBJDUMP) -x $(LIBS) | \ |
| sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\ |
| cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__START) \ |
| --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ |
| -Map u-boot-spl.map -o u-boot-spl |
| |
| $(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds |
| $(GEN_UBOOT) |
| # TODO(sjg@chromium.org): This causes problems at present |
| if $(OBJDUMP) -h u-boot-spl |grep -q .bss; then \ |
| echo "u-boot-spl contains BSS data - please check:"; \ |
| $(OBJDUMP) -t u-boot-spl |grep .bss; \ |
| false; \ |
| fi |
| |
| $(START): depend |
| $(MAKE) -C $(SRCTREE)/$(START_PATH) $@ |
| |
| $(LIBS): depend |
| $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@)) |
| |
| $(obj)u-boot-spl.lds: $(LDSCRIPT) depend |
| $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - < $< > $@ |
| |
| depend: $(obj).depend |
| .PHONY: depend |
| |
| # defines $(obj).depend target |
| include $(SRCTREE)/rules.mk |