spl/Makefile - github/trini/u-boot - Gitiles

 #
 # (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 := $(subst ",,$(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/$(ARCH)/lib/lib$(ARCH).o

 LIBS-y += $(CPUDIR)/lib$(CPU).o
 ifeq ($(CPU),mpc83xx)
 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 endif
 ifeq ($(CPU),mpc85xx)
 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 ifdef CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 endif
 endif
 ifeq ($(CPU),mpc86xx)
 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 endif

 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-$(CONFIG_SPL_FRAMEWORK) += common/spl/libspl.o
 LIBS-$(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 \
 	drivers/power/pmic/libpmic.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
 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/libphy.o
 LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/libusb_musb-new.o
 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/libusb_gadget.o
 LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/libwatchdog.o

 ifneq ($(CONFIG_OMAP_COMMON),)
 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
 endif

 ifneq (,$(CONFIG_MX23)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 endif

 ifneq ($(CONFIG_TEGRA),)
 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
 LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
 endif

 ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 endif

 ifeq ($(SOC),exynos)
 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 endif

 # 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 $(SRCTREE)/,$(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-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 \
 		$(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
 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)

 # Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles
 #  U-Boot conventional sub makefiles always include some other makefiles.
 #  So, the build system searches a line beginning with "include" before entering into the sub makefile
 #  in order to distinguish which style it is.
 #  If the Makefile include a "include" line, we assume it is an U-Boot style makefile.
 #  Otherwise, it is treated as a Kbuild-style makefile.
 select_makefile = \
 	if grep -q "^include" $1/Makefile; then				\
 		$(MAKE) -C $1;						\
 	else								\
 		$(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build;	\
 		mv $(dir $@)built-in.o $@;				\
 	fi

 # We do not need to build $(START) explicitly.
 # It is built while we are at $(CPUDIR)/lib$(CPU).o build.
 $(START):	depend
 	if grep -q "^include" $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))Makefile; then \
 		$(MAKE) -C $(SRCTREE)/$(START_PATH) $@; \
 	fi

 $(LIBS):	depend
 	+$(call select_makefile, $(SRCTREE)$(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
	#
	# (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 := $(subst ",,$(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/$(ARCH)/lib/lib$(ARCH).o

	LIBS-y += $(CPUDIR)/lib$(CPU).o
	ifeq ($(CPU),mpc83xx)
	LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
	endif
	ifeq ($(CPU),mpc85xx)
	LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
	ifdef CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
	LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
	endif
	endif
	ifeq ($(CPU),mpc86xx)
	LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
	endif

	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-$(CONFIG_SPL_FRAMEWORK) += common/spl/libspl.o
	LIBS-$(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 \
	drivers/power/pmic/libpmic.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
	LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
	LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
	LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
	LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/libphy.o
	LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/libusb_musb-new.o
	LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/libusb_gadget.o
	LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/libwatchdog.o

	ifneq ($(CONFIG_OMAP_COMMON),)
	LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
	endif

	ifneq (,$(CONFIG_MX23)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
	LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
	endif

	ifneq ($(CONFIG_TEGRA),)
	LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
	LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
	LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
	endif

	ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
	LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
	endif

	ifeq ($(SOC),exynos)
	LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
	endif

	# 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 $(SRCTREE)/,$(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-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 \
	$(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
	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)

	# Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles
	# U-Boot conventional sub makefiles always include some other makefiles.
	# So, the build system searches a line beginning with "include" before entering into the sub makefile
	# in order to distinguish which style it is.
	# If the Makefile include a "include" line, we assume it is an U-Boot style makefile.
	# Otherwise, it is treated as a Kbuild-style makefile.
	select_makefile = \
	if grep -q "^include" $1/Makefile; then \
	$(MAKE) -C $1; \
	else \
	$(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build; \
	mv $(dir $@)built-in.o $@; \
	fi

	# We do not need to build $(START) explicitly.
	# It is built while we are at $(CPUDIR)/lib$(CPU).o build.
	$(START): depend
	if grep -q "^include" $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))Makefile; then \
	$(MAKE) -C $(SRCTREE)/$(START_PATH) $@; \
	fi

	$(LIBS): depend
	+$(call select_makefile, $(SRCTREE)$(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