# 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
+
CONFIG_SPL_BUILD := y
export CONFIG_SPL_BUILD
-include $(TOPDIR)/config.mk
-
-# We want the final binaries in this directory
-obj := $(OBJTREE)/spl/
+KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
+ifeq ($(CONFIG_TPL_BUILD),y)
+KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
+endif
-HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
+# Enable garbage collection of un-used sections for SPL
+KBUILD_CFLAGS += -ffunction-sections -fdata-sections
+LDFLAGS_FINAL += --gc-sections
-ifdef CONFIG_SPL_START_S_PATH
-START_PATH := $(subst ",,$(CONFIG_SPL_START_S_PATH))
+ifeq ($(CONFIG_TPL_BUILD),y)
+export CONFIG_TPL_BUILD
+SPL_BIN := u-boot-tpl
else
-START_PATH := $(CPUDIR)
+SPL_BIN := u-boot-spl
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 += $(START_PATH)/resetvec.o
+include include/config.mk
+
+ifeq ($(CONFIG_TPL_BUILD),y)
+ -include include/tpl-autoconf.mk
+else
+ -include include/spl-autoconf.mk
endif
-LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
+include $(TOPDIR)/config.mk
-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
-endif
-ifeq ($(CPU),mpc86xx)
-LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
-endif
+# FIX ME
+c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
-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
+# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
+quiet_cmd_autoconf = GEN $@
+ cmd_autoconf = \
+ $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \
+ sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \
+ rm $@.tmp
-LIBS-$(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-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
-LIBS-$(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-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/libusb_musb-new.o
-LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/libusb_gadget.o
+include/tpl-autoconf.mk: include/config.h
+ $(call cmd,autoconf)
-ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),)
-LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
-endif
+include/spl-autoconf.mk: include/config.h
+ $(call cmd,autoconf)
-ifneq (,$(CONFIG_MX23)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
-LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
-endif
+HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
-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
+ifdef CONFIG_SPL_START_S_PATH
+START_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%)
+else
+START_PATH := $(CPUDIR)
endif
-ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
-LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
-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) += $(START_PATH)/resetvec.o
-ifeq ($(SOC),exynos)
-LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
-endif
+libs-y += arch/$(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-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
+libs-$(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, $(libs-y))
# Add GCC lib
ifeq ("$(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)
+PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/lib.a
+PLATFORM_LIBS := $(filter-out %/lib.a, $(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))
+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 $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
+LDSCRIPT := $(addprefix $(SRCTREE)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
endif
ifeq ($(wildcard $(LDSCRIPT)),)
$(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)/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)/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) -C $(SRCTREE)/arch/arm/imx-common $@
+$(objtree)/SPL : $(obj)/u-boot-spl.bin
+ $(MAKE) $(build)=spl/arch/arm/imx-common $@
-ALL-y += $(obj)u-boot-spl.bin
+ALL-y += $(obj)/$(SPL_BIN).bin
ifdef CONFIG_SAMSUNG
-ALL-y += $(obj)$(BOARD)-spl.bin
+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
+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) $< $@
+endif
+
+$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)
+ $(OBJCOPY) $(OBJCFLAGS) $(SPL_OBJCFLAGS) -O binary $< $@
+
+LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
+ifneq ($(CONFIG_SPL_TEXT_BASE),)
+LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
endif
-$(obj)u-boot-spl.bin: $(obj)u-boot-spl
- $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
+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)
-GEN_UBOOT = \
- cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
- --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
- -Map u-boot-spl.map -o u-boot-spl
+$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds
+ $(call cmd,u-boot-spl)
-$(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds
- $(GEN_UBOOT)
+$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
-$(START): depend
- $(MAKE) -C $(SRCTREE)/$(START_PATH) $@
+PHONY += $(u-boot-spl-dirs)
+$(u-boot-spl-dirs):
+ $(Q)$(MAKE) $(build)=$@
-$(LIBS): depend
- $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
+# FIX ME
+cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
-$(obj)u-boot-spl.lds: $(LDSCRIPT) depend
- $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
+$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
+ $(CPP) $(cpp_flags) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
-depend: $(obj).depend
-.PHONY: depend
+PHONY += FORCE
+FORCE:
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
+# 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)
projects / karo-tx-uboot.git / blobdiff