diff --git a/scripts/Makefile.autoconf b/scripts/Makefile.autoconf
index 58e1642..f054081 100644
--- a/scripts/Makefile.autoconf
+++ b/scripts/Makefile.autoconf
@@ -7,9 +7,17 @@
 # (= When we move all CONFIGs from header files to Kconfig)
 # this makefile can be deleted.
 
-# obj is "include" or "spl/include" or "tpl/include"
-# for non-SPL, SPL, TPL, respectively
-include $(obj)/config/auto.conf
+__all: include/autoconf.mk include/autoconf.mk.dep
+
+ifeq ($(shell grep -q '^CONFIG_SPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
+__all: spl/include/autoconf.mk
+endif
+
+ifeq ($(shell grep -q '^CONFIG_TPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
+__all: tpl/include/autoconf.mk
+endif
+
+include include/config/auto.conf
 
 include scripts/Kbuild.include
 
@@ -22,7 +30,6 @@
 include config.mk
 
 UBOOTINCLUDE    := \
-		-I$(obj) \
 		-Iinclude \
 		$(if $(KBUILD_SRC), -I$(srctree)/include) \
 		-I$(srctree)/arch/$(ARCH)/include \
@@ -48,10 +55,10 @@
 # same CONFIG macros
 quiet_cmd_autoconf = GEN     $@
       cmd_autoconf = \
-	$(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && {	\
+	$(CPP) $(c_flags) $2 -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \
 		sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp |		\
 		while read line; do							\
-			if ! grep -q "$${line%=*}=" $(obj)/config/auto.conf; then	\
+			if ! grep -q "$${line%=*}=" include/config/auto.conf; then	\
 				echo "$$line";						\
 			fi								\
 		done > $@;								\
@@ -60,10 +67,19 @@
 		rm $@.tmp; false;							\
 	}
 
-$(obj)/autoconf.mk: FORCE
+include/autoconf.mk: FORCE
 	$(call cmd,autoconf)
 
-include/autoconf.mk include/autoconf.mk.dep: include/config.h
+spl/include/autoconf.mk: FORCE
+	$(Q)mkdir -p $(dir $@)
+	$(call cmd,autoconf,-DCONFIG_SPL_BUILD)
+
+tpl/include/autoconf.mk: FORCE
+	$(Q)mkdir -p $(dir $@)
+	$(call cmd,autoconf,-DCONFIG_SPL_BUILD -DCONFIG_TPL_BUILD)
+
+include/autoconf.mk include/autoconf.mk.dep \
+	spl/include/autoconf.mk tpl/include/autoconf.mk: include/config.h
 
 # include/config.h
 # Prior to Kconfig, it was generated by mkconfig. Now it is created here.
@@ -75,10 +91,10 @@
 	done;								\
 	echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\
 	echo \#include \<config_defaults.h\>;				\
+	echo \#include \<config_uncmd_spl.h\>;				\
 	echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>;		\
 	echo \#include \<asm/config.h\>;				\
-	echo \#include \<config_fallbacks.h\>;				\
-	echo \#include \<config_uncmd_spl.h\>; )
+	echo \#include \<config_fallbacks.h\>;)
 endef
 
 include/config.h: scripts/Makefile.autoconf create_symlink FORCE
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 14cf092..ac0554e 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -41,8 +41,9 @@
 
 # Read auto.conf if it exists, otherwise ignore
 # Modified for U-Boot
--include $(prefix)/include/config/auto.conf
+-include include/config/auto.conf
 -include $(prefix)/include/autoconf.mk
+include scripts/Makefile.uncmd_spl
 
 include scripts/Kbuild.include
 
diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
index cc189ad..fcacb7f 100644
--- a/scripts/Makefile.spl
+++ b/scripts/Makefile.spl
@@ -21,13 +21,15 @@
 
 include $(srctree)/scripts/Kbuild.include
 
-UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
-
--include $(obj)/include/config/auto.conf
+-include include/config/auto.conf
 -include $(obj)/include/autoconf.mk
 
+KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
 ifeq ($(CONFIG_TPL_BUILD),y)
-export CONFIG_TPL_BUILD
+KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
+endif
+
+ifeq ($(CONFIG_TPL_BUILD),y)
 SPL_BIN := u-boot-tpl
 else
 SPL_BIN := u-boot-spl
diff --git a/scripts/Makefile.uncmd_spl b/scripts/Makefile.uncmd_spl
new file mode 100644
index 0000000..86c938e
--- /dev/null
+++ b/scripts/Makefile.uncmd_spl
@@ -0,0 +1,16 @@
+# Makefile version of include/config_uncmd_spl.h
+#
+# TODO: Invent a better way
+
+ifdef CONFIG_SPL_BUILD
+CONFIG_OF_CONTROL=
+
+ifndef CONFIG_SPL_DM
+CONFIG_DM_SERIAL=
+CONFIG_DM_GPIO=
+CONIFG_DM_I2C=
+CONFIG_DM_SPI=
+CONFIG_DM_SPI_FLASH=
+endif
+
+endif
diff --git a/scripts/multiconfig.sh b/scripts/multiconfig.sh
index 366e8fa..cc8a787 100755
--- a/scripts/multiconfig.sh
+++ b/scripts/multiconfig.sh
@@ -2,11 +2,7 @@
 #
 # A wrapper script to adjust Kconfig for U-Boot
 #
-# Instead of touching various parts under the scripts/kconfig/ directory,
-# pushing necessary adjustments into this single script would be better
-# for code maintainance.  All the make targets related to the configuration
-# (make %config) should be invoked via this script.
-# See doc/README.kconfig for further information of Kconfig.
+# This file will be removed after cleaning up defconfig files
 #
 # Copyright (C) 2014, Masahiro Yamada <yamada.m@jp.panasonic.com>
 #
@@ -15,77 +11,23 @@
 
 set -e
 
-# Set "DEBUG" enavironment variable to show debug messages
-debug () {
-	if [ $DEBUG ]; then
-		echo "$@"
-	fi
-}
-
-# Useful shorthands
-build () {
-	debug $progname: $MAKE -f $srctree/scripts/Makefile.build obj="$@"
-	$MAKE -f $srctree/scripts/Makefile.build obj="$@"
-}
-
-autoconf () {
-	debug $progname: $MAKE -f $srctree/scripts/Makefile.autoconf obj="$@"
-	$MAKE -f $srctree/scripts/Makefile.autoconf obj="$@"
-}
-
 # Make a configuration target
 # Usage:
 #   run_make_config <target> <objdir>
 # <target>: Make target such as "config", "menuconfig", "defconfig", etc.
-# <objdir>: Target directory where the make command is run.
-#           Typically "", "spl", "tpl" for Normal, SPL, TPL, respectively.
 run_make_config () {
-	target=$1
-	objdir=$2
-
 	# Linux expects defconfig files in arch/$(SRCARCH)/configs/ directory,
 	# but U-Boot has them in configs/ directory.
 	# Give SRCARCH=.. to fake scripts/kconfig/Makefile.
-	options="SRCARCH=.. KCONFIG_OBJDIR=$objdir"
-	if [ "$objdir" ]; then
-		options="$options KCONFIG_CONFIG=$objdir/$KCONFIG_CONFIG"
-		mkdir -p $objdir
-	fi
-
-	build scripts/kconfig $options $target
-}
-
-# Parse .config file to detect if CONFIG_SPL, CONFIG_TPL is enabled
-# and returns:
-#   ""        if neither CONFIG_SPL nor CONFIG_TPL is defined
-#   "spl"     if CONFIG_SPL is defined but CONFIG_TPL is not
-#   "spl tpl" if both CONFIG_SPL and CONFIG_TPL are defined
-get_enabled_subimages() {
-	if [ ! -r "$KCONFIG_CONFIG" ]; then
-		# This should never happen
-		echo "$progname: $KCONFIG_CONFIG not found" >&2
-		exit 1
-	fi
-
-	# CONFIG_SPL=y -> spl
-	# CONFIG_TPL=y -> tpl
-	sed -n -e 's/^CONFIG_SPL=y$/spl/p' -e 's/^CONFIG_TPL=y$/tpl/p' \
-							 $KCONFIG_CONFIG
+	$MAKE -f $srctree/scripts/Makefile.build obj=scripts/kconfig SRCARCH=.. $1
 }
 
 do_silentoldconfig () {
 	run_make_config silentoldconfig
-	subimages=$(get_enabled_subimages)
-
-	for obj in $subimages
-	do
-		mkdir -p $obj/include/config $obj/include/generated
-		run_make_config silentoldconfig $obj
-	done
 
 	# If the following part fails, include/config/auto.conf should be
 	# deleted so "make silentoldconfig" will be re-run on the next build.
-	autoconf include include/autoconf.mk include/autoconf.mk.dep || {
+	$MAKE -f $srctree/scripts/Makefile.autoconf || {
 		rm -f include/config/auto.conf
 		exit 1
 	}
@@ -95,14 +37,6 @@
 	# than include/config.h.
 	# Otherwise, 'make silentoldconfig' would be invoked twice.
 	touch include/config/auto.conf
-
-	for obj in $subimages
-	do
-		autoconf $obj/include $obj/include/autoconf.mk || {
-			rm -f include/config/auto.conf
-			exit 1
-		}
-	done
 }
 
 cleanup_after_defconfig () {
@@ -116,7 +50,6 @@
 #  do_board_defconfig <board>_defconfig
 do_board_defconfig () {
 	defconfig_path=$srctree/configs/$1
-	tmp_defconfig_path=configs/.tmp_defconfig
 
 	if [ ! -r $defconfig_path ]; then
 		echo >&2 "***"
@@ -126,42 +59,17 @@
 	fi
 
 	mkdir -p arch configs
-	# defconfig for Normal:
-	#  pick lines without prefixes and lines starting '+' prefix
-	#  and rip the prefixes off.
-	sed -n -e '/^[+A-Z]*:/!p' -e 's/^+[A-Z]*://p' $defconfig_path \
-						> configs/.tmp_defconfig
+	# prefix "*:" is deprecated.  Drop it simply.
+	sed -e 's/^[+A-Z]*://' $defconfig_path > configs/.tmp_defconfig
 
 	run_make_config .tmp_defconfig || {
 		cleanup_after_defconfig
 		exit 1
 	}
 
-	for img in $(get_enabled_subimages)
-	do
-		symbol=$(echo $img | cut -c 1 | tr '[a-z]' '[A-Z]')
-		# defconfig for SPL, TPL:
-		#   pick lines with 'S', 'T' prefix and rip the prefixes off
-		sed -n -e 's/^[+A-Z]*'$symbol'[A-Z]*://p' $defconfig_path \
-						> configs/.tmp_defconfig
-		run_make_config .tmp_defconfig $img || {
-			cleanup_after_defconfig
-			exit 1
-		}
-	done
-
 	cleanup_after_defconfig
 }
 
-do_defconfig () {
-	if [ "$KBUILD_DEFCONFIG" ]; then
-		do_board_defconfig $KBUILD_DEFCONFIG
-		echo "*** Default configuration is based on '$KBUILD_DEFCONFIG'"
-	else
-		run_make_config defconfig
-	fi
-}
-
 do_board_felconfig () {
     do_board_defconfig ${1%%_felconfig}_defconfig
     if ! grep -q CONFIG_ARCH_SUNXI=y .config || ! grep -q CONFIG_SPL=y .config ; then
@@ -169,162 +77,11 @@
 	exit 1
     fi
     sed -i -e 's/\# CONFIG_SPL_FEL is not set/CONFIG_SPL_FEL=y\nCONFIG_UART0_PORT_F=n/g' \
-	.config spl/.config
+	.config
 }
 
-do_savedefconfig () {
-	if [ -r "$KCONFIG_CONFIG" ]; then
-		subimages=$(get_enabled_subimages)
-	else
-		subimages=
-	fi
-
-	run_make_config savedefconfig
-
-	output_lines=
-
-	# -r option is necessay because some string-type configs may include
-	# backslashes as an escape character
-	while read -r line
-	do
-		output_lines="$output_lines%$line"
-	done < defconfig
-
-	for img in $subimages
-	do
-		run_make_config savedefconfig $img
-
-		symbol=$(echo $img | cut -c 1 | tr '[a-z]' '[A-Z]')
-		unmatched=
-
-		while read -r line
-		do
-			tmp=
-			match=
-
-			# "# CONFIG_FOO is not set" should not be divided.
-			# Use "%" as a separator, instead of a whitespace.
-			# "%" is unlikely to appear in defconfig context.
-			save_IFS=$IFS
-			IFS=%
-			# coalesce common lines together
-			for i in $output_lines
-			do
-				case "$i" in
-				[+A-Z]*:$line)
-					tmp="$tmp%$unmatched"
-					i=$(echo "$i" | \
-					    sed -e "s/^\([^:]*\)/\1$symbol/")
-					tmp="$tmp%$i"
-					match=1
-					;;
-				$line)
-					tmp="$tmp%$unmatched"
-					tmp="$tmp%+$symbol:$i"
-					match=1
-					;;
-				*)
-					tmp="$tmp%$i"
-					;;
-				esac
-			done
-
-			# Restore the default separator for the outer for loop.
-			IFS=$save_IFS
-
-			if [ "$match" ]; then
-				output_lines="$tmp"
-				unmatched=
-			else
-				unmatched="$unmatched%$symbol:$line"
-			fi
-		done < defconfig
-
-		output_lines="$output_lines%$unmatched"
-	done
-
-	rm -f defconfig
-	touch defconfig
-
-	save_IFS=$IFS
-	IFS=%
-
-	for line in $output_lines
-	do
-		case "$line" in
-		"")
-			# do not output blank lines
-			;;
-		*)
-			echo $line >> defconfig
-			;;
-		esac
-	done
-
-	IFS=$save_IFS
-}
-
-# Some sanity checks before running "make <objdir>/<target>",
-# where <objdir> should be either "spl" or "tpl".
-# Doing "make spl/menuconfig" etc. on a non-SPL board makes no sense.
-# It should be allowed only when ".config" exists and "CONFIG_SPL" is enabled.
-#
-# Usage:
-#   check_enabled_sumbimage <objdir>/<target> <objdir>
-check_enabled_subimage () {
-
-	case $2 in
-	spl|tpl) ;;
-	*)
-		echo >&2 "***"
-		echo >&2 "*** \"make $1\" is not supported."
-		echo >&2 "***"
-		exit 1
-		;;
-	esac
-	test -r "$KCONFIG_CONFIG" && get_enabled_subimages | grep -q $2 || {
-		config=CONFIG_$(echo $2 | tr '[a-z]' '[A-Z]')
-
-		echo >&2 "***"
-		echo >&2 "*** Create \"$KCONFIG_CONFIG\" with \"$config\" enabled"
-		echo >&2 "*** before \"make $1\"."
-		echo >&2 "***"
-		exit 1
-	}
-}
-
-# Usage:
-#   do_others <objdir>/<target>
-# The field "<objdir>/" is typically empy, "spl/", "tpl/" for Normal, SPL, TPL,
-# respectively.
-# The field "<target>" is a configuration target such as "config",
-# "menuconfig", etc.
 do_others () {
-	target=${1##*/}
-
-	if [ "$target" = "$1" ]; then
-		objdir=
-	else
-		objdir=${1%/*}
-		check_enabled_subimage $1 $objdir
-
-		if [ -f "$objdir/$KCONFIG_CONFIG" ]; then
-			timestamp_before=$(stat --printf="%Y" \
-						$objdir/$KCONFIG_CONFIG)
-		fi
-	fi
-
-	run_make_config $target $objdir
-
-	if [ "$timestamp_before" -a -f "$objdir/$KCONFIG_CONFIG" ]; then
-		timestamp_after=$(stat --printf="%Y" $objdir/$KCONFIG_CONFIG)
-
-		if [ "$timestamp_after" -gt "$timestamp_before" ]; then
-			# $objdir/.config has been updated.
-			# touch .config to invoke "make silentoldconfig"
-			touch $KCONFIG_CONFIG
-		fi
-	fi
+	run_make_config $1
 }
 
 progname=$(basename $0)
@@ -340,10 +97,6 @@
 	do_board_defconfig ${target%_config}_defconfig;;
 silentoldconfig)
 	do_silentoldconfig;;
-defconfig)
-	do_defconfig;;
-savedefconfig)
-	do_savedefconfig;;
 *)
 	do_others $target;;
 esac