X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=Makefile;h=7206abac1f3dc1d65fc0eda03fdd5a8a96506cee;hb=a891601ce51edbafa1a2750c96a618e4fcbca1c2;hp=6547bc0eca63b249c8613ec8b3fb3855b4136d68;hpb=277f037074fbb73be10a7bff27079b6eb0a3bfbb;p=karo-tx-uboot.git

diff --git a/Makefile b/Makefile
index 6547bc0eca..0d86b555d7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,30 +1,14 @@
 #
-# (C) Copyright 2000-2012
+# (C) Copyright 2000-2013
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 #
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundatio; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
+# SPDX-License-Identifier:	GPL-2.0+
 #
 
-VERSION = 2013
-PATCHLEVEL = 04
+VERSION = 2014
+PATCHLEVEL = 01
 SUBLEVEL =
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc1
 ifneq "$(SUBLEVEL)" ""
 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
 else
@@ -46,12 +30,7 @@ HOSTARCH := $(shell uname -m | \
 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
 	    sed -e 's/\(cygwin\).*/cygwin/')
 
-# Set shell to bash if possible, otherwise fall back to sh
-SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
-	else if [ -x /bin/bash ]; then echo /bin/bash; \
-	else echo sh; fi; fi)
-
-export	HOSTARCH HOSTOS SHELL
+export	HOSTARCH HOSTOS
 
 # Deal with colliding definitions from tcsh etc.
 VENDOR=
@@ -66,13 +45,13 @@ endif
 
 #########################################################################
 #
-# U-boot build supports producing a object files to the separate external
+# U-boot build supports generating object files in a separate external
 # directory. Two use cases are supported:
 #
 # 1) Add O= to the make command line
 # 'make O=/tmp/build all'
 #
-# 2) Set environement variable BUILD_DIR to point to the desired location
+# 2) Set environment variable BUILD_DIR to point to the desired location
 # 'export BUILD_DIR=/tmp/build'
 # 'make'
 #
@@ -80,17 +59,15 @@ endif
 # 'export BUILD_DIR=/tmp/build'
 # './MAKEALL'
 #
-# Command line 'O=' setting overrides BUILD_DIR environent variable.
+# Command line 'O=' setting overrides BUILD_DIR environment variable.
 #
 # When none of the above methods is used the local build is performed and
 # the object files are placed in the source directory.
 #
 
-ifdef O
 ifeq ("$(origin O)", "command line")
 BUILD_DIR := $(O)
 endif
-endif
 
 # Call a source code checker (by default, "sparse") as part of the
 # C compilation.
@@ -123,10 +100,11 @@ endif # ifneq ($(BUILD_DIR),)
 
 OBJTREE		:= $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
 SPLTREE		:= $(OBJTREE)/spl
+TPLTREE		:= $(OBJTREE)/tpl
 SRCTREE		:= $(CURDIR)
 TOPDIR		:= $(SRCTREE)
 LNDIR		:= $(OBJTREE)
-export	TOPDIR SRCTREE OBJTREE SPLTREE
+export	TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
 
 MKCONFIG	:= $(SRCTREE)/mkconfig
 export MKCONFIG
@@ -158,7 +136,6 @@ unexport CDPATH
 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
 # is "yes"), so compile examples after U-Boot is compiled.
 SUBDIR_TOOLS = tools
-SUBDIR_EXAMPLES = examples/standalone examples/api
 SUBDIRS = $(SUBDIR_TOOLS)
 
 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
@@ -172,8 +149,10 @@ all:
 sinclude $(obj)include/autoconf.mk.dep
 sinclude $(obj)include/autoconf.mk
 
+SUBDIR_EXAMPLES-y := examples/standalone
+SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api
 ifndef CONFIG_SANDBOX
-SUBDIRS += $(SUBDIR_EXAMPLES)
+SUBDIRS += $(SUBDIR_EXAMPLES-y)
 endif
 
 # load ARCH, BOARD, and CPU configuration
@@ -188,6 +167,16 @@ endif
 # load other configuration
 include $(TOPDIR)/config.mk
 
+# Targets which don't build the source code
+NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig
+
+# Only do the generic board check when actually building, not configuring
+ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
+ifeq ($(findstring _config,$(MAKECMDGOALS)),)
+$(CHECK_GENERIC_BOARD)
+endif
+endif
+
 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
 # that (or fail if absent).  Otherwise, search for a linker script in a
 # standard location.
@@ -241,122 +230,67 @@ OBJS := $(addprefix $(obj),$(OBJS))
 
 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
 
-LIBS-y += lib/libgeneric.o
-LIBS-y += lib/lzma/liblzma.o
-LIBS-y += lib/lzo/liblzo.o
-LIBS-y += lib/zlib/libz.o
-LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o
-LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
-LIBS-y += $(CPUDIR)/lib$(CPU).o
+LIBS-y += lib/
+LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
+LIBS-y += $(CPUDIR)/
 ifdef SOC
-LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
-endif
-ifeq ($(CPU),ixp)
-LIBS-y += drivers/net/npe/libnpe.o
-endif
-LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o
-LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
-LIBS-y += fs/libfs.o \
-	fs/cbfs/libcbfs.o \
-	fs/cramfs/libcramfs.o \
-	fs/ext4/libext4fs.o \
-	fs/fat/libfat.o \
-	fs/fdos/libfdos.o \
-	fs/jffs2/libjffs2.o \
-	fs/reiserfs/libreiserfs.o \
-	fs/sandbox/libsandboxfs.o \
-	fs/ubifs/libubifs.o \
-	fs/yaffs2/libyaffs2.o \
-	fs/zfs/libzfs.o
-LIBS-y += net/libnet.o
-LIBS-y += disk/libdisk.o
-LIBS-y += drivers/bios_emulator/libatibiosemu.o
-LIBS-y += drivers/block/libblock.o
-LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o
-LIBS-y += drivers/dma/libdma.o
-LIBS-y += drivers/fpga/libfpga.o
-LIBS-y += drivers/gpio/libgpio.o
-LIBS-y += drivers/hwmon/libhwmon.o
-LIBS-y += drivers/i2c/libi2c.o
-LIBS-y += drivers/input/libinput.o
-LIBS-y += drivers/misc/libmisc.o
-LIBS-y += drivers/mmc/libmmc.o
-LIBS-y += drivers/mtd/libmtd.o
-LIBS-y += drivers/mtd/nand/libnand.o
-LIBS-y += drivers/mtd/onenand/libonenand.o
-LIBS-y += drivers/mtd/ubi/libubi.o
-LIBS-y += drivers/mtd/spi/libspi_flash.o
-LIBS-y += drivers/net/libnet.o
-LIBS-y += drivers/net/phy/libphy.o
-LIBS-y += drivers/pci/libpci.o
-LIBS-y += drivers/pcmcia/libpcmcia.o
-LIBS-y += drivers/power/libpower.o \
-	drivers/power/fuel_gauge/libfuel_gauge.o \
-	drivers/power/pmic/libpmic.o \
-	drivers/power/battery/libbattery.o
-LIBS-y += drivers/spi/libspi.o
-LIBS-y += drivers/dfu/libdfu.o
-ifeq ($(CPU),mpc83xx)
-LIBS-y += drivers/qe/libqe.o
-LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
-LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
-endif
-ifeq ($(CPU),mpc85xx)
-LIBS-y += drivers/qe/libqe.o
-LIBS-y += drivers/net/fm/libfm.o
-LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
-LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
-endif
-ifeq ($(CPU),mpc86xx)
-LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
-LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
-endif
-LIBS-y += drivers/rtc/librtc.o
-LIBS-y += drivers/serial/libserial.o
-LIBS-y += drivers/sound/libsound.o
-LIBS-y += drivers/tpm/libtpm.o
-LIBS-y += drivers/twserial/libtws.o
-LIBS-y += drivers/usb/eth/libusb_eth.o
-LIBS-y += drivers/usb/gadget/libusb_gadget.o
-LIBS-y += drivers/usb/host/libusb_host.o
-LIBS-y += drivers/usb/musb/libusb_musb.o
-LIBS-y += drivers/usb/musb-new/libusb_musb-new.o
-LIBS-y += drivers/usb/phy/libusb_phy.o
-LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
-LIBS-y += drivers/video/libvideo.o
-LIBS-y += drivers/watchdog/libwatchdog.o
-LIBS-y += common/libcommon.o
-LIBS-y += lib/libfdt/libfdt.o
-LIBS-y += api/libapi.o
-LIBS-y += post/libpost.o
-LIBS-y += test/libtest.o
-
-ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),)
-LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
-endif
-
-ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
-LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
-endif
-
-ifeq ($(SOC),s5pc1xx)
-LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
-endif
-ifeq ($(SOC),exynos)
-LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
-endif
-ifneq ($(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
-
+LIBS-y += $(CPUDIR)/$(SOC)/
+endif
+LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
+LIBS-$(CONFIG_OF_EMBED) += dts/
+LIBS-y += arch/$(ARCH)/lib/
+LIBS-y += fs/
+LIBS-y += net/
+LIBS-y += disk/
+LIBS-y += drivers/
+LIBS-y += drivers/dma/
+LIBS-y += drivers/gpio/
+LIBS-y += drivers/i2c/
+LIBS-y += drivers/input/
+LIBS-y += drivers/mmc/
+LIBS-y += drivers/mtd/
+LIBS-y += drivers/mtd/nand/
+LIBS-y += drivers/mtd/onenand/
+LIBS-y += drivers/mtd/ubi/
+LIBS-y += drivers/mtd/spi/
+LIBS-y += drivers/net/
+LIBS-y += drivers/net/phy/
+LIBS-y += drivers/pci/
+LIBS-y += drivers/power/ \
+	drivers/power/fuel_gauge/ \
+	drivers/power/mfd/ \
+	drivers/power/pmic/ \
+	drivers/power/battery/
+LIBS-y += drivers/spi/
+LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/
+LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
+LIBS-y += drivers/serial/
+LIBS-y += drivers/usb/eth/
+LIBS-y += drivers/usb/gadget/
+LIBS-y += drivers/usb/host/
+LIBS-y += drivers/usb/musb/
+LIBS-y += drivers/usb/musb-new/
+LIBS-y += drivers/usb/phy/
+LIBS-y += drivers/usb/ulpi/
+LIBS-y += common/
+LIBS-y += lib/libfdt/
+LIBS-$(CONFIG_API) += api/
+LIBS-y += post/
+LIBS-y += test/
+
+ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
+LIBS-y += arch/$(ARCH)/imx-common/
+endif
+
+LIBS-$(CONFIG_ARM) += arch/arm/cpu/
+LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
+
+LIBS-y += board/$(BOARDDIR)/
+
+LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 .PHONY : $(LIBS)
 
-LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
-LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
-
 # Add GCC lib
 ifdef USE_PRIVATE_LIBGCC
 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
@@ -380,7 +314,7 @@ LDPPFLAGS += \
 	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 
 __OBJS := $(subst $(obj),,$(OBJS))
-__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
+__LIBS := $(subst $(obj),,$(LIBS))
 
 #########################################################################
 #########################################################################
@@ -405,7 +339,10 @@ ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 
 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
+ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
+ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
+ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 ifneq ($(CONFIG_SPL_TARGET),)
 ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET))
@@ -413,17 +350,21 @@ endif
 
 # enable combined SPL/u-boot/dtb rules for tegra
 ifneq ($(CONFIG_TEGRA),)
+ifeq ($(CONFIG_SPL),y)
 ifeq ($(CONFIG_OF_SEPARATE),y)
 ALL-y += $(obj)u-boot-dtb-tegra.bin
 else
 ALL-y += $(obj)u-boot-nodtb-tegra.bin
 endif
 endif
+endif
 
-all:		$(ALL-y) $(SUBDIR_EXAMPLES)
+build := -f $(TOPDIR)/scripts/Makefile.build -C
 
-$(obj)u-boot.dtb:	$(obj)u-boot
-		$(MAKE) -C dts binary
+all:		$(ALL-y) $(SUBDIR_EXAMPLES-y)
+
+$(obj)u-boot.dtb:	checkdtc $(obj)u-boot
+		$(MAKE) $(build) dts binary
 		mv $(obj)dts/dt.dtb $@
 
 $(obj)u-boot-dtb.bin:	$(obj)u-boot.bin $(obj)u-boot.dtb
@@ -433,7 +374,7 @@ $(obj)u-boot.hex:	$(obj)u-boot
 		$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 
 $(obj)u-boot.srec:	$(obj)u-boot
-		$(OBJCOPY) -O srec $< $@
+		$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
 
 $(obj)u-boot.bin:	$(obj)u-boot
 		$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
@@ -467,7 +408,7 @@ $(obj)u-boot.img:	$(obj)u-boot.bin
 		-d $< $@
 
 $(obj)u-boot.imx: $(obj)u-boot.bin depend
-		$(MAKE) -C $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
+		$(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
 
 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 		$(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
@@ -484,14 +425,33 @@ $(obj)u-boot.sha1:	$(obj)u-boot.bin
 $(obj)u-boot.dis:	$(obj)u-boot
 		$(OBJDUMP) -d $< > $@
 
+# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
+# $(4) is pad-to
+SPL_PAD_APPEND = \
+		$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
+		$(1) $(obj)$(3); \
+		cat $(obj)$(3) $(2) > $@; \
+		rm $(obj)$(3)
 
+ifdef CONFIG_TPL
+SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
+else
+SPL_PAYLOAD := $(obj)u-boot.bin
+endif
 
-$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
-		$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(or $(CONFIG_SPL_PAD_TO),0) \
-			-O binary $(obj)spl/u-boot-spl \
-			$(obj)spl/u-boot-spl-pad.bin
-		cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
-		rm $(obj)spl/u-boot-spl-pad.bin
+$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
+		$(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
+
+$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
+		$(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
+
+$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
+		$(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
+			$(OBJTREE)/u-boot-with-spl.imx
+
+$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
+		$(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
+			$(OBJTREE)/u-boot-with-nand-spl.imx
 
 $(obj)u-boot.ubl:       $(obj)u-boot-with-spl.bin
 		$(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
@@ -509,13 +469,9 @@ $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 		cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
 			$(obj)u-boot.ais
 
-# Specify the target for use in elftosb call
-ELFTOSB_TARGET-$(CONFIG_MX23) = imx23
-ELFTOSB_TARGET-$(CONFIG_MX28) = imx28
 
 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
-		elftosb -zf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \
-			-o $(obj)u-boot.sb
+		$(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
 
 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 # Both images are created using mkimage (crc etc), so that the ROM
@@ -534,23 +490,32 @@ $(obj)u-boot.spr:	$(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 		cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 
 ifneq ($(CONFIG_TEGRA),)
-ifeq ($(CONFIG_OF_SEPARATE),y)
-nodtb=dtb
-dtbfile=$(obj)u-boot.dtb
-else
-nodtb=nodtb
-dtbfile=
-endif
-
-$(obj)u-boot-$(nodtb)-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(dtbfile)
+$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 		$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
-		cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(dtbfile) > $@
+		cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
 		rm $(obj)spl/u-boot-spl-pad.bin
+
+ifeq ($(CONFIG_OF_SEPARATE),y)
+$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
+		cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
+endif
 endif
 
 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 		cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
 
+# PPC4xx needs the SPL at the end of the image, since the reset vector
+# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
+# and need to introduce a new build target with the full blown U-Boot
+# at the start padded up to the start of the SPL image. And then concat
+# the SPL image to the end.
+$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
+		tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \
+			of=$(obj)u-boot-pad.img 2>/dev/null
+		dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \
+			conv=notrunc 2>/dev/null
+		cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@
+
 ifeq ($(CONFIG_SANDBOX),y)
 GEN_UBOOT = \
 		cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
@@ -565,7 +530,7 @@ GEN_UBOOT = \
 endif
 
 $(obj)u-boot:	depend \
-		$(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
+		$(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
 		$(GEN_UBOOT)
 ifeq ($(CONFIG_KALLSYMS),y)
 		smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
@@ -575,19 +540,16 @@ ifeq ($(CONFIG_KALLSYMS),y)
 		$(GEN_UBOOT) $(obj)common/system_map.o
 endif
 
-$(OBJS):	depend
-		$(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
+$(OBJS):
+	@:
 
 $(LIBS):	depend $(SUBDIR_TOOLS)
-		$(MAKE) -C $(dir $(subst $(obj),,$@))
-
-$(LIBBOARD):	depend $(LIBS)
-		$(MAKE) -C $(dir $(subst $(obj),,$@))
+		$(MAKE) $(build) $(dir $(subst $(obj),,$@))
 
 $(SUBDIRS):	depend
 		$(MAKE) -C $@ all
 
-$(SUBDIR_EXAMPLES): $(obj)u-boot
+$(SUBDIR_EXAMPLES-y): $(obj)u-boot
 
 $(LDSCRIPT):	depend
 		$(MAKE) -C $(dir $@) $(notdir $@)
@@ -604,17 +566,17 @@ $(obj)u-boot-nand.bin:	nand_spl $(obj)u-boot.bin
 $(obj)spl/u-boot-spl.bin:	$(SUBDIR_TOOLS) depend
 		$(MAKE) -C spl all
 
-updater:
-		$(MAKE) -C tools/updater all
+$(obj)tpl/u-boot-tpl.bin:	$(SUBDIR_TOOLS) depend
+		$(MAKE) -C spl all CONFIG_TPL_BUILD=y
 
 # Explicitly make _depend in subdirs containing multiple targets to prevent
 # parallel sub-makes creating .depend files simultaneously.
 depend dep:	$(TIMESTAMP_FILE) $(VERSION_FILE) \
+		$(obj)include/spl-autoconf.mk \
+		$(obj)include/tpl-autoconf.mk \
 		$(obj)include/autoconf.mk \
 		$(obj)include/generated/generic-asm-offsets.h \
 		$(obj)include/generated/asm-offsets.h
-		for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
-			$(MAKE) -C $$dir _depend ; done
 
 TAG_SUBDIRS = $(SUBDIRS)
 TAG_SUBDIRS += $(dir $(__LIBS))
@@ -645,7 +607,7 @@ SYSTEM_MAP = \
 		grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 		LC_ALL=C sort
 $(obj)System.map:	$(obj)u-boot
-		@$(call SYSTEM_MAP,$<) > $(obj)System.map
+		@$(call SYSTEM_MAP,$<) > $@
 
 checkthumb:
 	@if test $(call cc-version) -lt 0404; then \
@@ -664,6 +626,12 @@ checkgcc4:
 		false; \
 	fi
 
+checkdtc:
+	@if test $(call dtc-version) -lt 0104; then \
+		echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
+		false; \
+	fi
+
 #
 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 #
@@ -685,12 +653,34 @@ $(obj)include/autoconf.mk: $(obj)include/config.h
 		sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 	mv $@.tmp $@
 
+# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
+$(obj)include/tpl-autoconf.mk: $(obj)include/config.h
+	@$(XECHO) Generating $@ ; \
+	set -e ; \
+	: Extract the config macros ; \
+	$(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD  -DCONFIG_SPL_BUILD\
+			-DDO_DEPS_ONLY -dM include/common.h | \
+	sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
+	mv $@.tmp $@
+
+$(obj)include/spl-autoconf.mk: $(obj)include/config.h
+	@$(XECHO) Generating $@ ; \
+	set -e ; \
+	: Extract the config macros ; \
+	$(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \
+	sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
+	mv $@.tmp $@
+
 $(obj)include/generated/generic-asm-offsets.h:	$(obj)include/autoconf.mk.dep \
+	$(obj)include/spl-autoconf.mk \
+	$(obj)include/tpl-autoconf.mk \
 	$(obj)lib/asm-offsets.s
 	@$(XECHO) Generating $@
 	tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 
 $(obj)lib/asm-offsets.s:	$(obj)include/autoconf.mk.dep \
+	$(obj)include/spl-autoconf.mk \
+	$(obj)include/tpl-autoconf.mk \
 	$(src)lib/asm-offsets.c
 	@mkdir -p $(obj)lib
 	$(CC) -DDO_DEPS_ONLY \
@@ -698,11 +688,15 @@ $(obj)lib/asm-offsets.s:	$(obj)include/autoconf.mk.dep \
 		-o $@ $(src)lib/asm-offsets.c -c -S
 
 $(obj)include/generated/asm-offsets.h:	$(obj)include/autoconf.mk.dep \
+	$(obj)include/spl-autoconf.mk \
+	$(obj)include/tpl-autoconf.mk \
 	$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 	@$(XECHO) Generating $@
 	tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 
-$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:	$(obj)include/autoconf.mk.dep
+$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:	$(obj)include/autoconf.mk.dep \
+	$(obj)include/spl-autoconf.mk \
+	$(obj)include/tpl-autoconf.mk
 	@mkdir -p $(obj)$(CPUDIR)/$(SOC)
 	if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 		$(CC) -DDO_DEPS_ONLY \
@@ -717,7 +711,7 @@ else	# !config.mk
 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 $(filter-out tools,$(SUBDIRS)) \
-updater depend dep tags ctags etags cscope $(obj)System.map:
+depend dep tags ctags etags cscope $(obj)System.map:
 	@echo "System not configured - see README" >&2
 	@ exit 1
 
@@ -725,6 +719,13 @@ tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 	$(MAKE) -C $@ all
 endif	# config.mk
 
+# ARM relocations should all be R_ARM_RELATIVE.
+checkarmreloc: $(obj)u-boot
+	@if test "R_ARM_RELATIVE" != \
+		"`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \
+		then echo "$< contains relocations other than \
+		R_ARM_RELATIVE"; false; fi
+
 $(VERSION_FILE):
 		@mkdir -p $(dir $(VERSION_FILE))
 		@( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
@@ -767,37 +768,16 @@ include/license.h: tools/bin2header COPYING
 unconfig:
 	@rm -f $(obj)include/config.h $(obj)include/config.mk \
 		$(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
-		$(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
+		$(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
+		$(obj)include/spl-autoconf.mk \
+		$(obj)include/tpl-autoconf.mk
 
 %_config::	unconfig
 	@$(MKCONFIG) -A $(@:_config=)
 
 sinclude $(obj).boards.depend
 $(obj).boards.depend:	boards.cfg
-	@awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
-
-#
-# Functions to generate common board directory names
-#
-lcname	= $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
-ucname	= $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
-
-#########################################################################
-## ARM1176 Systems
-#########################################################################
-smdk6400_noUSB_config	\
-smdk6400_config	:	unconfig
-	@mkdir -p $(obj)include $(obj)board/samsung/smdk6400
-	@mkdir -p $(obj)nand_spl/board/samsung/smdk6400
-	@echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
-	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
-	@if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then			\
-		echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
-	else										\
-		echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
-	fi
-	@$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
-	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+	@awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
 
 #########################################################################
 #########################################################################
@@ -820,15 +800,15 @@ clean:
 	       $(obj)tools/gdb/{astest,gdbcont,gdbsend}			  \
 	       $(obj)tools/gen_eth_addr    $(obj)tools/img2srec		  \
 	       $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk	  \
-	       $(obj)tools/mk{smdk5250,}spl				  \
+	       $(obj)tools/mk{$(BOARD),}spl				  \
 	       $(obj)tools/mxsboot					  \
 	       $(obj)tools/ncb		   $(obj)tools/ubsha1		  \
-	       $(obj)tools/kernel-doc/docproc
+	       $(obj)tools/kernel-doc/docproc				  \
+	       $(obj)tools/proftool
 	@rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}	  \
 	       $(obj)board/matrix_vision/*/bootscript.img		  \
 	       $(obj)board/voiceblue/eeprom 				  \
 	       $(obj)u-boot.lds						  \
-	       $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]	  \
 	       $(obj)arch/blackfin/cpu/init.{lds,elf}
 	@rm -f $(obj)include/bmp_logo.h
 	@rm -f $(obj)include/bmp_logo_data.h
@@ -857,20 +837,23 @@ clobber:	tidy
 	@rm -f $(obj)u-boot.kwb
 	@rm -f $(obj)u-boot.pbl
 	@rm -f $(obj)u-boot.imx
+	@rm -f $(obj)u-boot-with-spl.imx
+	@rm -f $(obj)u-boot-with-nand-spl.imx
 	@rm -f $(obj)u-boot.ubl
 	@rm -f $(obj)u-boot.ais
 	@rm -f $(obj)u-boot.dtb
 	@rm -f $(obj)u-boot.sb
+	@rm -f $(obj)u-boot.bd
 	@rm -f $(obj)u-boot.spr
 	@rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
 	@rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
 	@rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
 	@rm -f $(obj)spl/u-boot-spl.lds
+	@rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
+	@rm -f $(obj)tpl/u-boot-spl.lds
 	@rm -f $(obj)MLO MLO.byteswap
 	@rm -f $(obj)SPL
 	@rm -f $(obj)tools/xway-swap-bytes
-	@rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
-	@rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
 	@rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 	@rm -fr $(obj)include/generated
 	@[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f