Merge branch 'next'

166 files changed, 3232 insertions, 2199 deletions

diff --git a/Kconfig b/Kconfig
new file mode 100644
index 0000000000..8e994df64d
--- /dev/null
+++ b/Kconfig
@@ -0,0 +1,11 @@
+#
+# For a description of the syntax of this configuration file,
+# see Documentation/kbuild/kconfig-language.txt.
+#
+mainmenu "Linux/$ARCH $KERNELVERSION Barebox Configuration"
+
+config SRCARCH
+	string
+	option env="SRCARCH"
+
+source "arch/$SRCARCH/Kconfig"
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f1536a5b15..bc54e58d67 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -39,8 +39,8 @@ config ARCH_IMX
 	bool "Freescale iMX-based"
 	select GENERIC_GPIO
 
-config ARCH_STM
-	bool "SigmaTel/FSL iMX-based"
+config ARCH_MXS
+	bool "Freescale i.MX23/28 (mxs) based"
 	select GENERIC_GPIO
 
 config ARCH_NETX
@@ -71,13 +71,16 @@ source arch/arm/cpu/Kconfig
 source arch/arm/mach-at91/Kconfig
 source arch/arm/mach-ep93xx/Kconfig
 source arch/arm/mach-imx/Kconfig
-source arch/arm/mach-stm/Kconfig
+source arch/arm/mach-mxs/Kconfig
 source arch/arm/mach-netx/Kconfig
 source arch/arm/mach-nomadik/Kconfig
 source arch/arm/mach-omap/Kconfig
 source arch/arm/mach-s3c24xx/Kconfig
 source arch/arm/mach-versatile/Kconfig
 
+config ARM_ASM_UNIFIED
+	bool
+
 config AEABI
 	bool "Use the ARM EABI to compile barebox"
 	help
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index c90960e565..57a045f967 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -35,13 +35,14 @@ CFLAGS_ABI	:=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-th
 endif
 
 CPPFLAGS += $(CFLAGS_ABI) $(arch-y) $(tune-y)
+AFLAGS   += -include asm/unified.h
 
 # Machine directory name.  This list is sorted alphanumerically
 # by CONFIG_* macro name.
 machine-$(CONFIG_ARCH_AT91)		:= at91
 machine-$(CONFIG_ARCH_EP93XX)		:= ep93xx
 machine-$(CONFIG_ARCH_IMX)		:= imx
-machine-$(CONFIG_ARCH_STM)		:= stm
+machine-$(CONFIG_ARCH_MXS)		:= mxs
 machine-$(CONFIG_ARCH_NOMADIK)		:= nomadik
 machine-$(CONFIG_ARCH_NETX)		:= netx
 machine-$(CONFIG_ARCH_OMAP)		:= omap
diff --git a/arch/arm/boards/at91sam9m10g45ek/init.c b/arch/arm/boards/at91sam9m10g45ek/init.c
index bb8b7bada6..77d51b7d99 100644
--- a/arch/arm/boards/at91sam9m10g45ek/init.c
+++ b/arch/arm/boards/at91sam9m10g45ek/init.c
@@ -40,6 +40,26 @@
 #include <mach/at91sam9_smc.h>
 #include <mach/sam9_smc.h>
 
+/*
+ * board revision encoding
+ * bit 0-3: lcd type
+ *	0 => truly TFT1N4633-E (sam9m10g45-ek)
+ *	1 => LG philips LB043WQ1 (sam9m10-ekes and sam9g45-ekes)
+ */
+#define HAVE_LCD_TRULY_TFT1N4633E	(0 << 0)
+#define HAVE_LCD_LG_LB043WQ1		(1 << 0)
+static void ek_set_board_revision(void)
+{
+	u32 rev;
+
+#ifdef CONFIG_LCD_LG_LB043WQ1
+		rev = HAVE_LCD_LG_LB043WQ1;
+#else
+		rev = HAVE_LCD_TRULY_TFT1N4633E;
+#endif
+		armlinux_set_revision(rev);
+}
+
 static struct atmel_nand_data nand_pdata = {
 	.ale		= 21,
 	.cle		= 22,
@@ -103,6 +123,7 @@ static int at91sam9m10g45ek_devices_init(void)
 
 	armlinux_set_bootparams((void *)(AT91_CHIPSELECT_6 + 0x100));
 	armlinux_set_architecture(MACH_TYPE_AT91SAM9M10G45EK);
+	ek_set_board_revision();
 
 	return 0;
 }
diff --git a/arch/arm/boards/chumby_falconwing/falconwing.c b/arch/arm/boards/chumby_falconwing/falconwing.c
index 76ff9068ff..d46431c302 100644
--- a/arch/arm/boards/chumby_falconwing/falconwing.c
+++ b/arch/arm/boards/chumby_falconwing/falconwing.c
@@ -22,13 +22,16 @@
 #include <environment.h>
 #include <errno.h>
 #include <mci.h>
+#include <usb/ehci.h>
 #include <asm/armlinux.h>
 #include <asm/io.h>
+#include <asm/mmu.h>
 #include <generated/mach-types.h>
 #include <mach/imx-regs.h>
 #include <mach/clock.h>
 #include <mach/mci.h>
 #include <mach/fb.h>
+#include <mach/usb.h>
 
 static struct memory_platform_data ram_pdata = {
 	.name = "ram0",
@@ -54,6 +57,22 @@ static struct device_d mci_dev = {
 	.platform_data = &mci_pdata,
 };
 
+#define GPIO_LCD_RESET		50
+#define GPIO_LCD_BACKLIGHT	60
+
+static void chumby_fb_enable(int enable)
+{
+	gpio_direction_output(GPIO_LCD_RESET, enable);
+
+	/* Give the display a chance to sync before we enable
+	 * the backlight to avoid flickering
+	 */
+	if (enable)
+		mdelay(100);
+
+	gpio_direction_output(GPIO_LCD_BACKLIGHT, enable);
+}
+
 static struct fb_videomode falconwing_vmode = {
 	/*
 	 * Nanovision NMA35QV65-B2-K01 (directly connected)
@@ -79,11 +98,12 @@ static struct fb_videomode falconwing_vmode = {
 	.flag = 0,
 };
 
-static struct imx_fb_videomode fb_mode = {
+static struct imx_fb_platformdata fb_mode = {
 	.mode_list = &falconwing_vmode,
 	.mode_cnt = 1,
 	/* the NMA35 is a 24 bit display, but only 18 bits are connected */
 	.ld_intf_width = STMLCDIF_18BIT,
+	.enable = chumby_fb_enable,
 };
 
 static struct device_d ldcif_dev = {
@@ -197,10 +217,10 @@ static const uint32_t pad_setup[] = {
 	/* backlight control, to be controled by PWM, here we only want to disable it */
 	PWM2_GPIO | GPIO_OUT | GPIO_VALUE(0),	/* 1 enables, 0 disables the backlight */
 
-	/* send a reset signal to the USB hub */
+	/* USB hub reset (active low) */
 	AUART1_TX_GPIO | GPIO_OUT | GPIO_VALUE(0),
 
-	/* USB power disable (FIXME what level to be switched off) */
+	/* USB power (active high) */
 	AUART1_CTS_GPIO | GPIO_OUT | GPIO_VALUE(0),
 
 	/* Detecting if a display is connected (0 = display attached) (external pull up) */
@@ -262,6 +282,28 @@ static const uint32_t pad_setup[] = {
 	GPMI_RDY3_GPIO | GPIO_IN | PULLUP(1),
 };
 
+#ifdef CONFIG_MMU
+static int falconwing_mmu_init(void)
+{
+	mmu_init();
+
+	arm_create_section(0x40000000, 0x40000000, 64, PMD_SECT_DEF_CACHED);
+	arm_create_section(0x50000000, 0x40000000, 64, PMD_SECT_DEF_UNCACHED);
+
+	setup_dma_coherent(0x10000000);
+
+#if TEXT_BASE & (0x100000 - 1)
+#warning cannot create vector section. Adjust TEXT_BASE to a 1M boundary
+#else
+	arm_create_section(0x0,        TEXT_BASE,   1, PMD_SECT_DEF_UNCACHED);
+#endif
+	mmu_enable();
+
+	return 0;
+}
+postcore_initcall(falconwing_mmu_init);
+#endif
+
 /**
  * Try to register an environment storage on the attached MCI card
  * @return 0 on success
@@ -298,6 +340,35 @@ static int register_persistant_environment(void)
 	return devfs_add_partition("disk0.1", 0, cdev->size, DEVFS_PARTITION_FIXED, "env0");
 }
 
+static struct ehci_platform_data chumby_usb_pdata = {
+	.flags = EHCI_HAS_TT,
+	.hccr_offset = 0x100,
+	.hcor_offset = 0x140,
+};
+
+static struct device_d usb_dev = {
+	.name		= "ehci",
+	.id		= -1,
+	.map_base	= IMX_USB_BASE,
+	.size		= 0x200,
+	.platform_data	= &chumby_usb_pdata,
+};
+
+#define GPIO_USB_HUB_RESET	29
+#define GPIO_USB_HUB_POWER	26
+
+static void falconwing_init_usb(void)
+{
+	/* power USB hub */
+	gpio_direction_output(GPIO_USB_HUB_POWER, 1);
+	mdelay(1);
+	/* bring USB hub out of reset */
+	gpio_direction_output(GPIO_USB_HUB_RESET, 1);
+
+	imx_usb_phy_enable();
+	register_device(&usb_dev);
+}
+
 static int falconwing_devices_init(void)
 {
 	int i, rc;
@@ -313,6 +384,8 @@ static int falconwing_devices_init(void)
 	register_device(&mci_dev);
 	register_device(&ldcif_dev);
 
+	falconwing_init_usb();
+
 	armlinux_add_dram(&sdram_dev);
 	armlinux_set_bootparams((void*)(sdram_dev.map_base + 0x100));
 	armlinux_set_architecture(MACH_TYPE_CHUMBY);
diff --git a/arch/arm/boards/eukrea_cpuimx25/env/bin/_update b/arch/arm/boards/eukrea_cpuimx25/env/bin/_update
deleted file mode 100644
index 014bce3512..0000000000
--- a/arch/arm/boards/eukrea_cpuimx25/env/bin/_update
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/bin/sh
-
-if [ -z "$part" -o -z "$image" ]; then
-	echo "define \$part and \$image"
-	exit 1
-fi
-
-if [ ! -e "$part" ]; then
-	echo "Partition $part does not exist"
-	exit 1
-fi
-
-if [ $# = 1 ]; then
-	image=$1
-fi
-
-if [ x$ip = xdhcp ]; then
-	dhcp
-fi
-
-ping $eth0.serverip
-if [ $? -ne 0 ] ; then
-	echo "update aborted"
-	exit 1
-fi
-
-unprotect $part
-
-echo
-echo "erasing partition $part"
-erase $part
-
-echo
-echo "flashing $image to $part"
-echo
-tftp $image $part
diff --git a/arch/arm/boards/eukrea_cpuimx25/env/bin/boot b/arch/arm/boards/eukrea_cpuimx25/env/bin/boot
deleted file mode 100644
index 2d9b3af01c..0000000000
--- a/arch/arm/boards/eukrea_cpuimx25/env/bin/boot
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/bin/sh
-
-. /env/config
-
-if [ x$1 = xjffS2 ]; then
-	root=jffs2
-	kernel=nand
-fi
-
-if [ x$1 = xubifs ]; then
-	root=ubifs
-	kernel=nand
-fi
-
-if [ x$1 = xnet ]; then
-	root=net
-	kernel=net
-fi
-
-if [ x$ip = xdhcp ]; then
-	bootargs="$bootargs ip=dhcp"
-else
-	if [ x$ip = xoff ]; then
-		bootargs="$bootargs ip=off"
-	else
-		bootargs="$bootargs ip=$eth0.ipaddr:$eth0.serverip:$eth0.gateway:$eth0.netmask:::"
-	fi
-fi
-
-if [ x$root = xjffs2 ]; then
-	bootargs="$bootargs root=/dev/mtdblock$rootpartnum_nand rootfstype=jffs2"
-fi
-
-if [ x$root = xubifs ]; then
-	bootargs="$bootargs root=ubi0:$ubiroot ubi.mtd=$rootpartnum_nand rootfstype=ubifs"
-fi
-
-if [ x$root = xnet ]; then
-	bootargs="$bootargs root=/dev/nfs nfsroot=$eth0.serverip:$nfsroot,v3,tcp"
-fi
-
-bootargs="$bootargs mtdparts=mxc_nand:$nand_parts"
-
-if [ $kernel = net ]; then
-	if [ x$ip = xdhcp ]; then
-		dhcp
-	fi
-	tftp $uimage uImage || exit 1
-	bootm uImage
-else
-	bootm /dev/nand0.kernel.bb
-fi
-
diff --git a/arch/arm/boards/eukrea_cpuimx25/env/bin/hush_hack b/arch/arm/boards/eukrea_cpuimx25/env/bin/hush_hack
deleted file mode 100644
index 5fffa92ecd..0000000000
--- a/arch/arm/boards/eukrea_cpuimx25/env/bin/hush_hack
+++ /dev/null
@@ -1 +0,0 @@
-nand -a /dev/nand0.*
diff --git a/arch/arm/boards/eukrea_cpuimx25/env/bin/init b/arch/arm/boards/eukrea_cpuimx25/env/bin/init
deleted file mode 100644
index 47328759bc..0000000000
--- a/arch/arm/boards/eukrea_cpuimx25/env/bin/init
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/bin/sh
-
-PATH=/env/bin
-export PATH
-
-. /env/config
-if [ -e /dev/nand0 ]; then
-	addpart /dev/nand0 $nand_parts
-
-	# Uh, oh, hush first expands wildcards and then starts executing
-	# commands. What a bug!
-	source /env/bin/hush_hack
-fi
-
-if [ -f /env/logo.bmp ]; then
-	bmp /env/logo.bmp
-	fb0.enable=1
-elif [ -f /env/logo.bmp.lzo ]; then
-	unlzo /env/logo.bmp.lzo /logo.bmp
-	bmp /logo.bmp
-	fb0.enable=1
-fi
-
-if [ -z $eth0.ethaddr ]; then
-	while [ -z $eth0.ethaddr ]; do
-		readline "no MAC address set for eth0. please enter the one found on your board: " eth0.ethaddr
-	done
-	echo -a /env/config "eth0.ethaddr=$eth0.ethaddr"
-	saveenv
-fi
-
-echo
-echo -n "Hit any key to stop autoboot: "
-timeout -a $autoboot_timeout
-if [ $? != 0 ]; then
-	echo
-	echo "type update_kernel [<imagename>] to update kernel into flash"
-	echo "type update_root [<imagename>] to update rootfs into flash"
-	echo
-	exit
-fi
-
-boot
diff --git a/arch/arm/boards/eukrea_cpuimx25/env/bin/init_board b/arch/arm/boards/eukrea_cpuimx25/env/bin/init_board
new file mode 100644
index 0000000000..72b4ab32cd
--- /dev/null
+++ b/arch/arm/boards/eukrea_cpuimx25/env/bin/init_board
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+if [ -f /env/logo.bmp ]; then
+	bmp /env/logo.bmp
+	fb0.enable=1
+elif [ -f /env/logo.bmp.lzo ]; then
+	unlzo /env/logo.bmp.lzo /logo.bmp
+	bmp /logo.bmp
+	fb0.enable=1
+fi
+
+if [ -z $eth0.ethaddr ]; then
+	while [ -z $eth0.ethaddr ]; do
+		readline "no MAC address set for eth0. please enter the one found on your board: " eth0.ethaddr
+	done
+	echo -a /env/config "eth0.ethaddr=$eth0.ethaddr"
+	saveenv
+fi
diff --git a/arch/arm/boards/eukrea_cpuimx25/env/bin/update_kernel b/arch/arm/boards/eukrea_cpuimx25/env/bin/update_kernel
deleted file mode 100644
index c2d2cc3fa9..0000000000
--- a/arch/arm/boards/eukrea_cpuimx25/env/bin/update_kernel
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-
-. /env/config
-
-image=$uimage
-part=/dev/nand0.kernel.bb
-
-. /env/bin/_update $1
diff --git a/arch/arm/boards/eukrea_cpuimx25/env/bin/update_root b/arch/arm/boards/eukrea_cpuimx25/env/bin/update_root
deleted file mode 100644
index dd89a5afad..0000000000
--- a/arch/arm/boards/eukrea_cpuimx25/env/bin/update_root
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-
-. /env/config
-
-image=$rootfs
-part=/dev/nand0.root.bb
-
-. /env/bin/_update $1
diff --git a/arch/arm/boards/eukrea_cpuimx25/env/config b/arch/arm/boards/eukrea_cpuimx25/env/config
index 3e41ec8b98..927010c255 100644
--- a/arch/arm/boards/eukrea_cpuimx25/env/config
+++ b/arch/arm/boards/eukrea_cpuimx25/env/config
@@ -1,27 +1,48 @@
 #!/bin/sh
 
-# can be either 'net' or 'jffs2' or 'ubifs'
-kernel=nand
-root=ubifs
+# otg port mode : can be 'host' or 'device'
+otg_mode="device"
 
-basedir=cpuimx25
-uimage=$basedir/uImage
-rootfs=$basedir/rootfs
-
-autoboot_timeout=1
-
-nfsroot=""
-bootargs="console=ttymxc0,115200"
-
-nand_parts="256k(barebox)ro,128k(bareboxenv),2432k(kernel),-(root)"
-rootpartnum_nand=3
-ubiroot="eukrea-cpuimx25-rootfs"
+machine=eukrea-cpuimx25
 
 # use 'dhcp' to do dhcp in barebox and in kernel
-ip=off
+# use 'none' if you want to skip kernel ip autoconfiguration
+ip=none
 
 # or set your networking parameters here
 #eth0.ipaddr=a.b.c.d
 #eth0.netmask=a.b.c.d
 #eth0.gateway=a.b.c.d
 #eth0.serverip=a.b.c.d
+
+# can be either 'net' or 'nand'
+kernel_loc=nand
+# can be either 'net', 'nand' or 'initrd'
+rootfs_loc=nand
+
+# rootfs
+rootfs_type=ubifs
+rootfsimage=$machine/rootfs.$rootfs_type
+
+# kernel
+kernelimage_type=uimage
+kernelimage=$machine/uImage-${machine}.bin
+
+# barebox and it's env
+bareboximage=$machine/barebox-${machine}.bin
+bareboxenvimage=$machine/bareboxenv-${machine}.bin
+
+nfsroot="$eth0.serverip:/srv/nfs/$machine"
+
+autoboot_timeout=1
+
+bootargs="console=ttymxc0,115200 otg_mode=$otg_mode"
+
+nand_parts="256k(barebox)ro,128k(bareboxenv),3M(kernel),-(root)"
+rootfs_mtdblock_nand=3
+nand_device="mxc_nand"
+ubiroot="$machine-rootfs"
+device_type="nand"
+
+# set a fancy prompt (if support is compiled in)
+PS1="\e[1;32mbarebox@\e[1;31m\h:\w\e[0m "
diff --git a/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c b/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c
index 3048c3fbcf..ce9be97923 100644
--- a/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c
+++ b/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c
@@ -31,6 +31,7 @@
 #include <mach/gpio.h>
 #include <asm/io.h>
 #include <asm/mmu.h>
+#include <led.h>
 
 #include <partition.h>
 #include <generated/mach-types.h>
@@ -132,6 +133,11 @@ static struct imx_fb_platform_data eukrea_cpuimx25_fb_data = {
 	.dmacr		= 0x80040060,
 };
 
+struct gpio_led led0 = {
+	.gpio = 2 * 32 + 19,
+	.active_low = 1,
+};
+
 #ifdef CONFIG_USB
 static void imx25_usb_init(void)
 {
@@ -243,6 +249,8 @@ static struct pad_desc eukrea_cpuimx25_pads[] = {
 	MX25_PAD_SD1_DATA1__DAT1,
 	MX25_PAD_SD1_DATA2__DAT2,
 	MX25_PAD_SD1_DATA3__DAT3,
+	/* LED */
+	MX25_PAD_POWER_FAIL__GPIO19,
 };
 
 static int eukrea_cpuimx25_devices_init(void)
@@ -252,6 +260,8 @@ static int eukrea_cpuimx25_devices_init(void)
 	mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads,
 		ARRAY_SIZE(eukrea_cpuimx25_pads));
 
+	led_gpio_register(&led0);
+
 	imx25_add_fec(&fec_info);
 
 	nand_info.width = 1;
@@ -271,6 +281,9 @@ static int eukrea_cpuimx25_devices_init(void)
 	gpio_direction_output(26, 1);
 	gpio_set_value(26, 1);
 
+	/* LED : default OFF */
+	gpio_direction_output(2 * 32 + 19, 1);
+
 	imx25_add_fb(&eukrea_cpuimx25_fb_data);
 
 	imx25_add_i2c0(NULL);
diff --git a/arch/arm/boards/karo-tx28/tx28-stk5.c b/arch/arm/boards/karo-tx28/tx28-stk5.c
index 6de41f7649..e8338a3aa9 100644
--- a/arch/arm/boards/karo-tx28/tx28-stk5.c
+++ b/arch/arm/boards/karo-tx28/tx28-stk5.c
@@ -19,7 +19,10 @@
 #include <errno.h>
 #include <mci.h>
 #include <fec.h>
+#include <sizes.h>
+#include <reloc.h>
 #include <asm/io.h>
+#include <asm/sections.h>
 #include <mach/imx-regs.h>
 #include <mach/clock.h>
 #include <mach/mci.h>
@@ -181,11 +184,15 @@ static struct fb_videomode tx28evk_vmodes[] = {
 	},
 };
 
+#define MAX_FB_SIZE SZ_2M
+
 static struct imx_fb_videomode imxfb_mode = {
 	.mode_list = tx28evk_vmodes,
 	.mode_cnt = ARRAY_SIZE(tx28evk_vmodes),
 	.dotclk_delay = 0,	/* no adaption required */
 	.ld_intf_width = STMLCDIF_24BIT,	/* full 24 bit */
+	.fixed_screen = (void *)(0x40000000 + SZ_128M - MAX_FB_SIZE),
+	.fixed_screen_size = MAX_FB_SIZE,
 };
 
 static struct device_d ldcif_dev = {
@@ -352,6 +359,12 @@ void base_board_init(void)
 	imx_set_sspclk(0, 100000000, 1);
 
 	register_device(&mci_socket);
+
+	if (imxfb_mode.fixed_screen < (void *)&_end) {
+		printf("Warning: fixed_screen overlaps barebox\n");
+		imxfb_mode.fixed_screen = NULL;
+	}
+
 	register_device(&ldcif_dev);
 
 	imx_enable_enetclk();
diff --git a/arch/arm/boards/karo-tx28/tx28.c b/arch/arm/boards/karo-tx28/tx28.c
index 6f4ef4ec1e..5692171253 100644
--- a/arch/arm/boards/karo-tx28/tx28.c
+++ b/arch/arm/boards/karo-tx28/tx28.c
@@ -21,6 +21,7 @@
 #include <asm/io.h>
 #include <generated/mach-types.h>
 #include <mach/imx-regs.h>
+#include <asm/mmu.h>
 
 static struct memory_platform_data ram_pdata = {
 	.name = "ram0",
@@ -82,6 +83,28 @@ static const uint32_t tx28_pad_setup[] = {
 
 extern void base_board_init(void);
 
+#ifdef CONFIG_MMU
+static int tx28_mmu_init(void)
+{
+	mmu_init();
+
+	arm_create_section(0x40000000, 0x40000000, 128, PMD_SECT_DEF_CACHED);
+	arm_create_section(0x50000000, 0x40000000, 128, PMD_SECT_DEF_UNCACHED);
+
+	setup_dma_coherent(0x10000000);
+
+#if TEXT_BASE & (0x100000 - 1)
+#warning cannot create vector section. Adjust TEXT_BASE to a 1M boundary
+#else
+	arm_create_section(0x0,        TEXT_BASE,   1, PMD_SECT_DEF_UNCACHED);
+#endif
+	mmu_enable();
+
+	return 0;
+}
+postcore_initcall(tx28_mmu_init);
+#endif
+
 static int tx28_devices_init(void)
 {
 	int i;
diff --git a/arch/arm/boards/phycard-i.MX27/pca100.c b/arch/arm/boards/phycard-i.MX27/pca100.c
index 32f7e74e43..c539ea1e7b 100644
--- a/arch/arm/boards/phycard-i.MX27/pca100.c
+++ b/arch/arm/boards/phycard-i.MX27/pca100.c
@@ -66,6 +66,13 @@ struct imx_nand_platform_data nand_info = {
 };
 
 #ifdef CONFIG_USB
+static struct device_d usbotg_dev = {
+	.id	  = -1,
+	.name     = "ehci",
+	.map_base = IMX_OTG_BASE,
+	.size     = 0x200,
+};
+
 static struct device_d usbh2_dev = {
 	.id	  = -1,
 	.name     = "ehci",
@@ -73,27 +80,19 @@ static struct device_d usbh2_dev = {
 	.size     = 0x200,
 };
 
-static void pca100_usbh_init(void)
+static void pca100_usb_register(void)
 {
-	uint32_t temp;
-
-	temp = readl(IMX_OTG_BASE + 0x600);
-	temp &= ~((3 << 21) | 1);
-	temp |= (1 << 5) | (1 << 16) | (1 << 19) | (1 << 11) | (1 << 20);
-	writel(temp, IMX_OTG_BASE + 0x600);
-
-	temp = readl(IMX_OTG_BASE + 0x584);
-	temp &= ~(3 << 30);
-	temp |= 2 << 30;
-	writel(temp, IMX_OTG_BASE + 0x584);
-
 	mdelay(10);
 
 	gpio_direction_output(GPIO_PORTB + 24, 0);
+	gpio_direction_output(GPIO_PORTB + 23, 0);
 
 	mdelay(10);
 
+	isp1504_set_vbus_power((void *)(IMX_OTG_BASE + 0x170), 1);
+	register_device(&usbotg_dev);
 	isp1504_set_vbus_power((void *)(IMX_OTG_BASE + 0x570), 1);
+	register_device(&usbh2_dev);
 }
 #endif
 
@@ -120,6 +119,38 @@ static void pca100_mmu_init(void)
 }
 #endif
 
+static void pca100_usb_init(void)
+{
+	u32 reg;
+
+	reg = readl(IMX_OTG_BASE + 0x600);
+	reg &= ~((3 << 21) | 1);
+	reg |= (1 << 5) | (1 << 16) | (1 << 19) | (1 << 11) | (1 << 20);
+	writel(reg, IMX_OTG_BASE + 0x600);
+
+	/*
+	 * switch usbotg and usbh2 to ulpi mode. Do this *before*
+	 * the iomux setup to prevent funny hardware bugs from
+	 * triggering. Also, do this even when USB support is
+	 * disabled to give Linux USB support a good start.
+	 */
+	reg = readl(IMX_OTG_BASE + 0x584);
+	reg &= ~(3 << 30);
+	reg |= 2 << 30;
+	writel(reg, IMX_OTG_BASE + 0x584);
+
+	reg = readl(IMX_OTG_BASE + 0x184);
+	reg &= ~(3 << 30);
+	reg |= 2 << 30;
+	writel(reg, IMX_OTG_BASE + 0x184);
+
+	/* disable the usb phys */
+	imx_gpio_mode((GPIO_PORTB | 23) | GPIO_GPIO | GPIO_IN);
+	gpio_direction_output(GPIO_PORTB + 23, 1);
+	imx_gpio_mode((GPIO_PORTB | 24) | GPIO_GPIO | GPIO_IN);
+	gpio_direction_output(GPIO_PORTB + 24, 1);
+}
+
 static int pca100_devices_init(void)
 {
 	int i;
@@ -175,15 +206,23 @@ static int pca100_devices_init(void)
 		PB7_PF_SD2_D3,
 		PB8_PF_SD2_CMD,
 		PB9_PF_SD2_CLK,
+		PC7_PF_USBOTG_DATA5,
+		PC8_PF_USBOTG_DATA6,
+		PC9_PF_USBOTG_DATA0,
+		PC10_PF_USBOTG_DATA2,
+		PC11_PF_USBOTG_DATA1,
+		PC12_PF_USBOTG_DATA4,
+		PC13_PF_USBOTG_DATA3,
+		PE0_PF_USBOTG_NXT,
+		PE1_PF_USBOTG_STP,
+		PE2_PF_USBOTG_DIR,
+		PE24_PF_USBOTG_CLK,
+		PE25_PF_USBOTG_DATA7,
 	};
 
 	PCCR0 |= PCCR0_SDHC2_EN;
 
-	/* disable the usb phys */
-	imx_gpio_mode((GPIO_PORTB | 23) | GPIO_GPIO | GPIO_IN);
-	gpio_direction_output(GPIO_PORTB + 23, 1);
-	imx_gpio_mode((GPIO_PORTB | 24) | GPIO_GPIO | GPIO_IN);
-	gpio_direction_output(GPIO_PORTB + 24, 1);
+	pca100_usb_init();
 
 	/* initizalize gpios */
 	for (i = 0; i < ARRAY_SIZE(mode); i++)
@@ -197,8 +236,7 @@ static int pca100_devices_init(void)
 	PCCR1 |= PCCR1_PERCLK2_EN;
 
 #ifdef CONFIG_USB
-	pca100_usbh_init();
-	register_device(&usbh2_dev);
+	pca100_usb_register();
 #endif
 
 	nand = get_device_by_name("nand0");
diff --git a/arch/arm/boards/scb9328/env/bin/init b/arch/arm/boards/scb9328/env/bin/init
deleted file mode 100644
index 416669f851..0000000000
--- a/arch/arm/boards/scb9328/env/bin/init
+++ /dev/null
@@ -1,3 +0,0 @@
-
-echo running init
-
diff --git a/arch/arm/boards/scb9328/scb9328.c b/arch/arm/boards/scb9328/scb9328.c
index 4c08c504c5..35c7fdf730 100644
--- a/arch/arm/boards/scb9328/scb9328.c
+++ b/arch/arm/boards/scb9328/scb9328.c
@@ -93,7 +93,7 @@ static int scb9328_devices_init(void) {
 	register_device(&sdram_dev);
 	register_device(&dm9000_dev);
 
-	devfs_add_partition("nor0", 0x00000, 0x20000, PARTITION_FIXED, "self0");
+	devfs_add_partition("nor0", 0x00000, 0x40000, PARTITION_FIXED, "self0");
 	devfs_add_partition("nor0", 0x40000, 0x20000, PARTITION_FIXED, "env0");
 	protect_file("/dev/env0", 1);
 
diff --git a/arch/arm/configs/chumbyone_defconfig b/arch/arm/configs/chumbyone_defconfig
index 45804a8d21..33d83a87c1 100644
--- a/arch/arm/configs/chumbyone_defconfig
+++ b/arch/arm/configs/chumbyone_defconfig
@@ -1,10 +1,15 @@
-CONFIG_ARCH_STM=y
+CONFIG_ARCH_MXS=y
 CONFIG_MACH_CHUMBY=y
 CONFIG_AEABI=y
 CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
+CONFIG_MMU=y
+CONFIG_MALLOC_SIZE=0x1000000
 CONFIG_BROKEN=y
 CONFIG_PROMPT="chumby:"
 CONFIG_LONGHELP=y
+CONFIG_GLOB=y
+CONFIG_HUSH_FANCY_PROMPT=y
+CONFIG_HUSH_GETOPT=y
 CONFIG_CMDLINE_EDITING=y
 CONFIG_AUTO_COMPLETE=y
 CONFIG_PARTITION=y
@@ -18,14 +23,28 @@ CONFIG_CMD_EXPORT=y
 CONFIG_CMD_PRINTENV=y
 CONFIG_CMD_READLINE=y
 CONFIG_CMD_ECHO_E=y
+CONFIG_CMD_MEMINFO=y
 CONFIG_CMD_MTEST=y
 CONFIG_CMD_MTEST_ALTERNATIVE=y
 CONFIG_CMD_RESET=y
+CONFIG_CMD_GO=y
 CONFIG_CMD_TIMEOUT=y
 CONFIG_CMD_PARTITION=y
 CONFIG_CMD_BMP=y
 CONFIG_CMD_GPIO=y
+CONFIG_NET=y
+CONFIG_NET_DHCP=y
+CONFIG_NET_NFS=y
+CONFIG_NET_PING=y
+CONFIG_NET_TFTP=y
+CONFIG_NET_TFTP_PUSH=y
+CONFIG_NET_NETCONSOLE=y
+CONFIG_NET_RESOLV=y
+CONFIG_NET_USB=y
+CONFIG_NET_USB_ASIX=y
 # CONFIG_SPI is not set
+CONFIG_USB=y
+CONFIG_USB_EHCI=y
 CONFIG_VIDEO=y
 CONFIG_DRIVER_VIDEO_STM=y
 CONFIG_MCI=y
diff --git a/arch/arm/configs/eukrea_cpuimx25_defconfig b/arch/arm/configs/eukrea_cpuimx25_defconfig
index bc68804d8c..7fa20422ef 100644
--- a/arch/arm/configs/eukrea_cpuimx25_defconfig
+++ b/arch/arm/configs/eukrea_cpuimx25_defconfig
@@ -9,10 +9,10 @@ CONFIG_LONGHELP=y
 CONFIG_GLOB=y
 CONFIG_PROMPT_HUSH_PS2="cpuimx25>"
 CONFIG_HUSH_FANCY_PROMPT=y
-CONFIG_HUSH_GETOPT=y
 CONFIG_CMDLINE_EDITING=y
 CONFIG_AUTO_COMPLETE=y
 CONFIG_PARTITION=y
+CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
 CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/eukrea_cpuimx25/env"
 CONFIG_CMD_EDIT=y
 CONFIG_CMD_SLEEP=y
@@ -22,9 +22,8 @@ CONFIG_CMD_EXPORT=y
 CONFIG_CMD_PRINTENV=y
 CONFIG_CMD_READLINE=y
 CONFIG_CMD_ECHO_E=y
+CONFIG_CMD_LOADB=y
 CONFIG_CMD_MEMINFO=y
-CONFIG_CMD_CRC=y
-CONFIG_CMD_CRC_CMP=y
 CONFIG_CMD_MTEST=y
 CONFIG_CMD_FLASH=y
 CONFIG_CMD_BOOTM_ZLIB=y
@@ -38,10 +37,14 @@ CONFIG_CMD_BMP=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_UNLZO=y
 CONFIG_CMD_I2C=y
+CONFIG_CMD_LED=y
+CONFIG_CMD_LED_TRIGGER=y
 CONFIG_NET=y
 CONFIG_NET_DHCP=y
+CONFIG_NET_NFS=y
 CONFIG_NET_PING=y
 CONFIG_NET_TFTP=y
+CONFIG_NET_TFTP_PUSH=y
 CONFIG_DRIVER_NET_FEC_IMX=y
 # CONFIG_SPI is not set
 CONFIG_I2C=y
@@ -51,9 +54,11 @@ CONFIG_NAND=y
 CONFIG_NAND_IMX=y
 CONFIG_USB=y
 CONFIG_USB_EHCI=y
-CONFIG_USB_GADGET=y
 CONFIG_VIDEO=y
 CONFIG_DRIVER_VIDEO_IMX=y
 CONFIG_MCI=y
 CONFIG_MCI_IMX_ESDHC=y
 CONFIG_MCI_IMX_ESDHC_PIO=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_LED_TRIGGERS=y
diff --git a/arch/arm/configs/imx23evk_defconfig b/arch/arm/configs/imx23evk_defconfig
index 047a7e1586..2fc6ebe993 100644
--- a/arch/arm/configs/imx23evk_defconfig
+++ b/arch/arm/configs/imx23evk_defconfig
@@ -1,4 +1,4 @@
-CONFIG_ARCH_STM=y
+CONFIG_ARCH_MXS=y
 CONFIG_AEABI=y
 CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
 CONFIG_BROKEN=y
diff --git a/arch/arm/configs/pca100_defconfig b/arch/arm/configs/pca100_defconfig
index 8c72bdf237..3450b8edb8 100644
--- a/arch/arm/configs/pca100_defconfig
+++ b/arch/arm/configs/pca100_defconfig
@@ -23,7 +23,6 @@ CONFIG_CMD_PRINTENV=y
 CONFIG_CMD_READLINE=y
 CONFIG_CMD_ECHO_E=y
 CONFIG_CMD_MEMINFO=y
-CONFIG_CMD_CRC=y
 CONFIG_CMD_MTEST=y
 CONFIG_CMD_FLASH=y
 CONFIG_CMD_RESET=y
@@ -31,6 +30,7 @@ CONFIG_CMD_GO=y
 CONFIG_CMD_TIMEOUT=y
 CONFIG_CMD_PARTITION=y
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_UNLZO=y
 CONFIG_NET=y
 CONFIG_NET_DHCP=y
 CONFIG_NET_PING=y
@@ -41,6 +41,11 @@ CONFIG_DRIVER_NET_FEC_IMX=y
 CONFIG_NET_USB=y
 CONFIG_NET_USB_ASIX=y
 # CONFIG_SPI is not set
+CONFIG_MTD=y
+CONFIG_NAND=y
+CONFIG_NAND_IMX=y
+CONFIG_NAND_IMX_BOOT=y
+CONFIG_UBI=y
 CONFIG_USB=y
 CONFIG_USB_EHCI=y
 CONFIG_USB_ISP1504=y
diff --git a/arch/arm/configs/scb9328_defconfig b/arch/arm/configs/scb9328_defconfig
index 49bdc0d64d..ee0e2fc37b 100644
--- a/arch/arm/configs/scb9328_defconfig
+++ b/arch/arm/configs/scb9328_defconfig
@@ -1,11 +1,24 @@
 CONFIG_ARCH_IMX=y
 CONFIG_MACH_SCB9328=y
+CONFIG_AEABI=y
 CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
 CONFIG_LONGHELP=y
+CONFIG_GLOB=y
+CONFIG_HUSH_FANCY_PROMPT=y
 CONFIG_CMDLINE_EDITING=y
-CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/scb9328/env"
+CONFIG_AUTO_COMPLETE=y
+CONFIG_PARTITION=y
+CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
+CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/scb9328/env/"
+CONFIG_POLLER=y
 CONFIG_CMD_EDIT=y
 CONFIG_CMD_SLEEP=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_LOADENV=y
+CONFIG_CMD_EXPORT=y
+CONFIG_CMD_PRINTENV=y
+CONFIG_CMD_READLINE=y
+CONFIG_CMD_ECHO_E=y
 CONFIG_CMD_MEMINFO=y
 CONFIG_CMD_FLASH=y
 CONFIG_CMD_RESET=y
@@ -13,10 +26,23 @@ CONFIG_CMD_GO=y
 CONFIG_CMD_TIMEOUT=y
 CONFIG_CMD_PARTITION=y
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_UNLZO=y
+CONFIG_CMD_LED=y
+CONFIG_CMD_LED_TRIGGER=y
 CONFIG_NET=y
 CONFIG_NET_DHCP=y
+CONFIG_NET_NFS=y
 CONFIG_NET_PING=y
 CONFIG_NET_TFTP=y
+CONFIG_NET_TFTP_PUSH=y
+CONFIG_NET_NETCONSOLE=y
+CONFIG_NET_RESOLV=y
 CONFIG_DRIVER_NET_DM9000=y
 CONFIG_DRIVER_CFI=y
+# CONFIG_DRIVER_CFI_BANK_WIDTH_4 is not set
 CONFIG_CFI_BUFFER_WRITE=y
+CONFIG_MTD=y
+CONFIG_UBI=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_LED_TRIGGERS=y
diff --git a/arch/arm/configs/tx28stk5_defconfig b/arch/arm/configs/tx28stk5_defconfig
index 0851d5e242..384c1c9f3e 100644
--- a/arch/arm/configs/tx28stk5_defconfig
+++ b/arch/arm/configs/tx28stk5_defconfig
@@ -1,7 +1,8 @@
-CONFIG_ARCH_STM=y
+CONFIG_ARCH_MXS=y
 CONFIG_ARCH_IMX28=y
 CONFIG_AEABI=y
 CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
+CONFIG_MMU=y
 CONFIG_MALLOC_SIZE=0x800000
 CONFIG_BROKEN=y
 CONFIG_LONGHELP=y
diff --git a/arch/arm/cpu/Kconfig b/arch/arm/cpu/Kconfig
index 3572a1fe6a..8ee7d6ce27 100644
--- a/arch/arm/cpu/Kconfig
+++ b/arch/arm/cpu/Kconfig
@@ -73,6 +73,15 @@ config CPU_BIG_ENDIAN
 	  port must properly enable any big-endian related features
 	  of your chipset/board/processor.
 
+config BOOT_ENDIANNESS_SWITCH
+	bool "Support switching of Linux kernel endianness"
+	help
+	  Say Y here if you need to switch CPU endianness before running
+	  Linux kernel, e.g. if you want big-endian Barebox to run
+	  little-endian Linux.
+
+	  Currently implemented only by "bootz" command.
+
 config ARCH_HAS_L2X0
 	bool
 
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
index 08a57ce815..df664f6f24 100644
--- a/arch/arm/cpu/mmu.c
+++ b/arch/arm/cpu/mmu.c
@@ -95,13 +95,7 @@ void setup_dma_coherent(unsigned long offset)
 
 void *dma_alloc_coherent(size_t size)
 {
-	void *mem;
-
-	mem = memalign(4096, size);
-	if (mem)
-		return mem + dma_coherent_offset;
-
-	return NULL;
+	return xmemalign(4096, size) + dma_coherent_offset;
 }
 
 unsigned long virt_to_phys(void *virt)
diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
index b55df5dc87..e0fb7123cf 100644
--- a/arch/arm/cpu/start.c
+++ b/arch/arm/cpu/start.c
@@ -25,6 +25,7 @@
 #include <asm/barebox-arm.h>
 #include <asm/system.h>
 #include <asm-generic/memory_layout.h>
+#include <asm/sections.h>
 
 void __naked __section(.text_entry) exception_vectors(void)
 {
@@ -40,8 +41,6 @@ void __naked __section(.text_entry) exception_vectors(void)
 	);
 }
 
-extern char __bss_start, _end;
-
 /*
  * The actual reset vector. This code is position independent and usually
  * does not run at the address it's linked at.
@@ -108,7 +107,7 @@ void __naked __bare_init board_init_lowlevel_return(void)
 				(unsigned int)&__bss_start - TEXT_BASE);
 
 	/* clear bss */
-	memset(&__bss_start, 0, &_end - &__bss_start);
+	memset(__bss_start, 0, __bss_stop - __bss_start);
 
 	/* call start_barebox with its absolute address */
 	r = (unsigned int)&start_barebox;
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index fdd23b5549..7789cc9b23 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -28,7 +28,7 @@ void *phys_to_virt(unsigned long phys);
 #else
 static inline void *dma_alloc_coherent(size_t size)
 {
-	return malloc(size);
+	return xmalloc(size);
 }
 
 static inline void dma_free_coherent(void *mem)
diff --git a/arch/arm/include/asm/sections.h b/arch/arm/include/asm/sections.h
new file mode 100644
index 0000000000..2b8c516038
--- /dev/null
+++ b/arch/arm/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/arch/arm/include/asm/swab.h b/arch/arm/include/asm/swab.h
new file mode 100644
index 0000000000..9997ad20ef
--- /dev/null
+++ b/arch/arm/include/asm/swab.h
@@ -0,0 +1,69 @@
+/*
+ *  arch/arm/include/asm/byteorder.h
+ *
+ * ARM Endian-ness.  In little endian mode, the data bus is connected such
+ * that byte accesses appear as:
+ *  0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31
+ * and word accesses (data or instruction) appear as:
+ *  d0...d31
+ *
+ * When in big endian mode, byte accesses appear as:
+ *  0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7
+ * and word accesses (data or instruction) appear as:
+ *  d0...d31
+ */
+#ifndef __ASM_ARM_SWAB_H
+#define __ASM_ARM_SWAB_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+#  define __SWAB_64_THRU_32__
+#endif
+
+#if defined(__KERNEL__) && __LINUX_ARM_ARCH__ >= 6
+
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
+{
+	__asm__ ("rev16 %0, %1" : "=r" (x) : "r" (x));
+	return x;
+}
+#define __arch_swab16 __arch_swab16
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
+{
+	__asm__ ("rev %0, %1" : "=r" (x) : "r" (x));
+	return x;
+}
+#define __arch_swab32 __arch_swab32
+
+#else
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
+{
+	__u32 t;
+
+#ifndef __thumb__
+	if (!__builtin_constant_p(x)) {
+		/*
+		 * The compiler needs a bit of a hint here to always do the
+		 * right thing and not screw it up to different degrees
+		 * depending on the gcc version.
+		 */
+		asm ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x));
+	} else
+#endif
+		t = x ^ ((x << 16) | (x >> 16)); /* eor r1,r0,r0,ror #16 */
+
+	x = (x << 24) | (x >> 8);		/* mov r0,r0,ror #8      */
+	t &= ~0x00FF0000;			/* bic r1,r1,#0x00FF0000 */
+	x ^= (t >> 8);				/* eor r0,r0,r1,lsr #8   */
+
+	return x;
+}
+#define __arch_swab32 __arch_swab32
+
+#endif
+
+#endif
diff --git a/arch/arm/include/asm/unified.h b/arch/arm/include/asm/unified.h
new file mode 100644
index 0000000000..bc631161e9
--- /dev/null
+++ b/arch/arm/include/asm/unified.h
@@ -0,0 +1,130 @@
+/*
+ * include/asm-arm/unified.h - Unified Assembler Syntax helper macros
+ *
+ * Copyright (C) 2008 ARM Limited
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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
+ */
+
+#ifndef __ASM_UNIFIED_H
+#define __ASM_UNIFIED_H
+
+#if defined(__ASSEMBLY__) && defined(CONFIG_ARM_ASM_UNIFIED)
+	.syntax unified
+#endif
+
+#ifdef CONFIG_THUMB2_KERNEL
+
+#if __GNUC__ < 4
+#error Thumb-2 kernel requires gcc >= 4
+#endif
+
+/* The CPSR bit describing the instruction set (Thumb) */
+#define PSR_ISETSTATE	PSR_T_BIT
+
+#define ARM(x...)
+#define THUMB(x...)	x
+#ifdef __ASSEMBLY__
+#define W(instr)	instr.w
+#endif
+#define BSYM(sym)	sym + 1
+
+#else	/* !CONFIG_THUMB2_KERNEL */
+
+/* The CPSR bit describing the instruction set (ARM) */
+#define PSR_ISETSTATE	0
+
+#define ARM(x...)	x
+#define THUMB(x...)
+#ifdef __ASSEMBLY__
+#define W(instr)	instr
+#endif
+#define BSYM(sym)	sym
+
+#endif	/* CONFIG_THUMB2_KERNEL */
+
+#ifndef CONFIG_ARM_ASM_UNIFIED
+
+/*
+ * If the unified assembly syntax isn't used (in ARM mode), these
+ * macros expand to an empty string
+ */
+#ifdef __ASSEMBLY__
+	.macro	it, cond
+	.endm
+	.macro	itt, cond
+	.endm
+	.macro	ite, cond
+	.endm
+	.macro	ittt, cond
+	.endm
+	.macro	itte, cond
+	.endm
+	.macro	itet, cond
+	.endm
+	.macro	itee, cond
+	.endm
+	.macro	itttt, cond
+	.endm
+	.macro	ittte, cond
+	.endm
+	.macro	ittet, cond
+	.endm
+	.macro	ittee, cond
+	.endm
+	.macro	itett, cond
+	.endm
+	.macro	itete, cond
+	.endm
+	.macro	iteet, cond
+	.endm
+	.macro	iteee, cond
+	.endm
+#else	/* !__ASSEMBLY__ */
+__asm__(
+"	.macro	it, cond\n"
+"	.endm\n"
+"	.macro	itt, cond\n"
+"	.endm\n"
+"	.macro	ite, cond\n"
+"	.endm\n"
+"	.macro	ittt, cond\n"
+"	.endm\n"
+"	.macro	itte, cond\n"
+"	.endm\n"
+"	.macro	itet, cond\n"
+"	.endm\n"
+"	.macro	itee, cond\n"
+"	.endm\n"
+"	.macro	itttt, cond\n"
+"	.endm\n"
+"	.macro	ittte, cond\n"
+"	.endm\n"
+"	.macro	ittet, cond\n"
+"	.endm\n"
+"	.macro	ittee, cond\n"
+"	.endm\n"
+"	.macro	itett, cond\n"
+"	.endm\n"
+"	.macro	itete, cond\n"
+"	.endm\n"
+"	.macro	iteet, cond\n"
+"	.endm\n"
+"	.macro	iteee, cond\n"
+"	.endm\n");
+#endif	/* __ASSEMBLY__ */
+
+#endif	/* CONFIG_ARM_ASM_UNIFIED */
+
+#endif	/* !__ASM_UNIFIED_H */
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 1d7f15a489..89cb72b30f 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -1,12 +1,5 @@
 obj-y	+= armlinux.o
-obj-y	+= _ashldi3.o
-obj-y	+= _ashrdi3.o
 obj-y	+= div0.o
-obj-y	+= _divsi3.o
-obj-y	+= _modsi3.o
-obj-y	+= _udivsi3.o
-obj-y	+= _umodsi3.o
-obj-y	+= _lshrdi3.o
 obj-y	+= findbit.o
 obj-y	+= arm.o
 obj-y	+= io-readsb.o
@@ -15,8 +8,10 @@ obj-y	+= io-readsl.o
 obj-y	+= io-writesb.o
 obj-y	+= io-writesw-armv4.o
 obj-y	+= io-writesl.o
-obj-$(CONFIG_AEABI)				+= __aeabi_idivmod.o
-obj-$(CONFIG_AEABI)				+= __aeabi_uidivmod.o
+obj-y	+= lib1funcs.o
+obj-y	+= ashrdi3.o
+obj-y	+= ashldi3.o
+obj-y	+= lshrdi3.o
 obj-$(CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS)	+= memcpy.o
 obj-$(CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS)	+= memset.o
 
diff --git a/arch/arm/lib/__aeabi_idivmod.S b/arch/arm/lib/__aeabi_idivmod.S
deleted file mode 100644
index 07de06b69d..0000000000
--- a/arch/arm/lib/__aeabi_idivmod.S
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * linux/arch/arm/lib/lib1funcs.S: Optimized ARM division routines
- *
- * Author: Nicolas Pitre <nico@fluxnic.net>
- *   - contributed to gcc-3.4 on Sep 30, 2003
- *   - adapted for the Linux kernel on Oct 2, 2003
- */
-
-/* Copyright 1995, 1996, 1998, 1999, 2000, 2003 Free Software Foundation, Inc.
-
-This file 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 Foundation; either version 2, or (at your option) any
-later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file.  (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
-This file 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; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-
-.section .text.__aeabi_idivmod
-
-ENTRY(__aeabi_idivmod)
-
-	stmfd	sp!, {r0, r1, ip, lr}
-	bl	__aeabi_idiv
-	ldmfd	sp!, {r1, r2, ip, lr}
-	mul	r3, r0, r2
-	sub	r1, r1, r3
-	mov	pc, lr
-
-ENDPROC(__aeabi_idivmod)
diff --git a/arch/arm/lib/__aeabi_uidivmod.S b/arch/arm/lib/__aeabi_uidivmod.S
deleted file mode 100644
index 0e7694c3a1..0000000000
--- a/arch/arm/lib/__aeabi_uidivmod.S
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * linux/arch/arm/lib/lib1funcs.S: Optimized ARM division routines
- *
- * Author: Nicolas Pitre <nico@fluxnic.net>
- *   - contributed to gcc-3.4 on Sep 30, 2003
- *   - adapted for the Linux kernel on Oct 2, 2003
- */
-
-/* Copyright 1995, 1996, 1998, 1999, 2000, 2003 Free Software Foundation, Inc.
-
-This file 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 Foundation; either version 2, or (at your option) any
-later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file.  (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
-This file 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; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-
-.section .text.__aeabi_uidivmod
-
-ENTRY(__aeabi_uidivmod)
-
-	stmfd	sp!, {r0, r1, ip, lr}
-	bl	__aeabi_uidiv
-	ldmfd	sp!, {r1, r2, ip, lr}
-	mul	r3, r0, r2
-	sub	r1, r1, r3
-	mov	pc, lr
-
-ENDPROC(__aeabi_uidivmod)
-
diff --git a/arch/arm/lib/_divsi3.S b/arch/arm/lib/_divsi3.S
deleted file mode 100644
index 2fbb49d588..0000000000
--- a/arch/arm/lib/_divsi3.S
+++ /dev/null
@@ -1,144 +0,0 @@
-
-.macro ARM_DIV_BODY dividend, divisor, result, curbit
-
-#if __LINUX_ARM_ARCH__ >= 5
-
-	clz	\curbit, \divisor
-	clz	\result, \dividend
-	sub	\result, \curbit, \result
-	mov	\curbit, #1
-	mov	\divisor, \divisor, lsl \result
-	mov	\curbit, \curbit, lsl \result
-	mov	\result, #0
-
-#else
-
-	@ Initially shift the divisor left 3 bits if possible,
-	@ set curbit accordingly.  This allows for curbit to be located
-	@ at the left end of each 4 bit nibbles in the division loop
-	@ to save one loop in most cases.
-	tst	\divisor, #0xe0000000
-	moveq	\divisor, \divisor, lsl #3
-	moveq	\curbit, #8
-	movne	\curbit, #1
-
-	@ Unless the divisor is very big, shift it up in multiples of
-	@ four bits, since this is the amount of unwinding in the main
-	@ division loop.  Continue shifting until the divisor is
-	@ larger than the dividend.
-1:	cmp	\divisor, #0x10000000
-	cmplo	\divisor, \dividend
-	movlo	\divisor, \divisor, lsl #4
-	movlo	\curbit, \curbit, lsl #4
-	blo	1b
-
-	@ For very big divisors, we must shift it a bit at a time, or
-	@ we will be in danger of overflowing.
-1:	cmp	\divisor, #0x80000000
-	cmplo	\divisor, \dividend
-	movlo	\divisor, \divisor, lsl #1
-	movlo	\curbit, \curbit, lsl #1
-	blo	1b
-
-	mov	\result, #0
-
-#endif
-
-	@ Division loop
-1:	cmp	\dividend, \divisor
-	subhs	\dividend, \dividend, \divisor
-	orrhs	\result,   \result,   \curbit
-	cmp	\dividend, \divisor,  lsr #1
-	subhs	\dividend, \dividend, \divisor, lsr #1
-	orrhs	\result,   \result,   \curbit,  lsr #1
-	cmp	\dividend, \divisor,  lsr #2
-	subhs	\dividend, \dividend, \divisor, lsr #2
-	orrhs	\result,   \result,   \curbit,  lsr #2
-	cmp	\dividend, \divisor,  lsr #3
-	subhs	\dividend, \dividend, \divisor, lsr #3
-	orrhs	\result,   \result,   \curbit,  lsr #3
-	cmp	\dividend, #0			@ Early termination?
-	movnes	\curbit,   \curbit,  lsr #4	@ No, any more bits to do?
-	movne	\divisor,  \divisor, lsr #4
-	bne	1b
-
-.endm
-
-.macro ARM_DIV2_ORDER divisor, order
-
-#if __LINUX_ARM_ARCH__ >= 5
-
-	clz	\order, \divisor
-	rsb	\order, \order, #31
-
-#else
-
-	cmp	\divisor, #(1 << 16)
-	movhs	\divisor, \divisor, lsr #16
-	movhs	\order, #16
-	movlo	\order, #0
-
-	cmp	\divisor, #(1 << 8)
-	movhs	\divisor, \divisor, lsr #8
-	addhs	\order, \order, #8
-
-	cmp	\divisor, #(1 << 4)
-	movhs	\divisor, \divisor, lsr #4
-	addhs	\order, \order, #4
-
-	cmp	\divisor, #(1 << 2)
-	addhi	\order, \order, #3
-	addls	\order, \order, \divisor, lsr #1
-
-#endif
-
-.endm
-
-	.section .text.__divsi3
-
-	.align	5
-.globl __divsi3
-__divsi3:
-.globl __aeabi_idiv
-__aeabi_idiv:
-	cmp	r1, #0
-	eor	ip, r0, r1			@ save the sign of the result.
-	beq	Ldiv0
-	rsbmi	r1, r1, #0			@ loops below use unsigned.
-	subs	r2, r1, #1			@ division by 1 or -1 ?
-	beq	10f
-	movs	r3, r0
-	rsbmi	r3, r0, #0			@ positive dividend value
-	cmp	r3, r1
-	bls	11f
-	tst	r1, r2				@ divisor is power of 2 ?
-	beq	12f
-
-	ARM_DIV_BODY r3, r1, r0, r2
-
-	cmp	ip, #0
-	rsbmi	r0, r0, #0
-	mov	pc, lr
-
-10:	teq	ip, r0				@ same sign ?
-	rsbmi	r0, r0, #0
-	mov	pc, lr
-
-11:	movlo	r0, #0
-	moveq	r0, ip, asr #31
-	orreq	r0, r0, #1
-	mov	pc, lr
-
-12:	ARM_DIV2_ORDER r1, r2
-
-	cmp	ip, #0
-	mov	r0, r3, lsr r2
-	rsbmi	r0, r0, #0
-	mov	pc, lr
-
-Ldiv0:
-
-	str	lr, [sp, #-4]!
-	bl	__div0
-	mov	r0, #0			@ About as wrong as it could be.
-	ldr	pc, [sp], #4
diff --git a/arch/arm/lib/_modsi3.S b/arch/arm/lib/_modsi3.S
deleted file mode 100644
index d17f8f0d21..0000000000
--- a/arch/arm/lib/_modsi3.S
+++ /dev/null
@@ -1,101 +0,0 @@
-
-	.section .text.__modsi3
-
-.macro ARM_MOD_BODY dividend, divisor, order, spare
-
-#if __LINUX_ARM_ARCH__ >= 5
-
-	clz	\order, \divisor
-	clz	\spare, \dividend
-	sub	\order, \order, \spare
-	mov	\divisor, \divisor, lsl \order
-
-#else
-
-	mov	\order, #0
-
-	@ Unless the divisor is very big, shift it up in multiples of
-	@ four bits, since this is the amount of unwinding in the main
-	@ division loop.  Continue shifting until the divisor is
-	@ larger than the dividend.
-1:	cmp	\divisor, #0x10000000
-	cmplo	\divisor, \dividend
-	movlo	\divisor, \divisor, lsl #4
-	addlo	\order, \order, #4
-	blo	1b
-
-	@ For very big divisors, we must shift it a bit at a time, or
-	@ we will be in danger of overflowing.
-1:	cmp	\divisor, #0x80000000
-	cmplo	\divisor, \dividend
-	movlo	\divisor, \divisor, lsl #1
-	addlo	\order, \order, #1
-	blo	1b
-
-#endif
-
-	@ Perform all needed substractions to keep only the reminder.
-	@ Do comparisons in batch of 4 first.
-	subs	\order, \order, #3		@ yes, 3 is intended here
-	blt	2f
-
-1:	cmp	\dividend, \divisor
-	subhs	\dividend, \dividend, \divisor
-	cmp	\dividend, \divisor,  lsr #1
-	subhs	\dividend, \dividend, \divisor, lsr #1
-	cmp	\dividend, \divisor,  lsr #2
-	subhs	\dividend, \dividend, \divisor, lsr #2
-	cmp	\dividend, \divisor,  lsr #3
-	subhs	\dividend, \dividend, \divisor, lsr #3
-	cmp	\dividend, #1
-	mov	\divisor, \divisor, lsr #4
-	subges	\order, \order, #4
-	bge	1b
-
-	tst	\order, #3
-	teqne	\dividend, #0
-	beq	5f
-
-	@ Either 1, 2 or 3 comparison/substractions are left.
-2:	cmn	\order, #2
-	blt	4f
-	beq	3f
-	cmp	\dividend, \divisor
-	subhs	\dividend, \dividend, \divisor
-	mov	\divisor,  \divisor,  lsr #1
-3:	cmp	\dividend, \divisor
-	subhs	\dividend, \dividend, \divisor
-	mov	\divisor,  \divisor,  lsr #1
-4:	cmp	\dividend, \divisor
-	subhs	\dividend, \dividend, \divisor
-5:
-.endm
-
-	.align	5
-.globl __modsi3
-__modsi3:
-	cmp	r1, #0
-	beq	Ldiv0
-	rsbmi	r1, r1, #0			@ loops below use unsigned.
-	movs	ip, r0				@ preserve sign of dividend
-	rsbmi	r0, r0, #0			@ if negative make positive
-	subs	r2, r1, #1			@ compare divisor with 1
-	cmpne	r0, r1				@ compare dividend with divisor
-	moveq	r0, #0
-	tsthi	r1, r2				@ see if divisor is power of 2
-	andeq	r0, r0, r2
-	bls	10f
-
-	ARM_MOD_BODY r0, r1, r2, r3
-
-10:	cmp	ip, #0
-	rsbmi	r0, r0, #0
-	mov	pc, lr
-
-
-Ldiv0:
-
-	str	lr, [sp, #-4]!
-	bl	__div0
-	mov	r0, #0			@ About as wrong as it could be.
-	ldr	pc, [sp], #4
diff --git a/arch/arm/lib/_udivsi3.S b/arch/arm/lib/_udivsi3.S
deleted file mode 100644
index bc89b276c4..0000000000
--- a/arch/arm/lib/_udivsi3.S
+++ /dev/null
@@ -1,81 +0,0 @@
-/* # 1 "libgcc1.S" */
-@ libgcc1 routines for ARM cpu.
-@ Division routines, written by Richard Earnshaw, (rearnsha@armltd.co.uk)
-dividend	.req	r0
-divisor		.req	r1
-result		.req	r2
-curbit		.req	r3
-/* ip		.req	r12	*/
-/* sp		.req	r13	*/
-/* lr		.req	r14	*/
-/* pc		.req	r15	*/
-	.section .text.__udivsi3
-
-	.globl	 __udivsi3
-	.type  __udivsi3       ,function
-	.globl   __aeabi_uidiv
-	.type  __aeabi_uidiv   ,function
-	.align	0
- __udivsi3      :
-__aeabi_uidiv   :
-	cmp	divisor, #0
-	beq	Ldiv0
-	mov	curbit, #1
-	mov	result, #0
-	cmp	dividend, divisor
-	bcc	Lgot_result
-Loop1:
-	@ Unless the divisor is very big, shift it up in multiples of
-	@ four bits, since this is the amount of unwinding in the main
-	@ division loop.  Continue shifting until the divisor is
-	@ larger than the dividend.
-	cmp	divisor, #0x10000000
-	cmpcc	divisor, dividend
-	movcc	divisor, divisor, lsl #4
-	movcc	curbit, curbit, lsl #4
-	bcc	Loop1
-Lbignum:
-	@ For very big divisors, we must shift it a bit at a time, or
-	@ we will be in danger of overflowing.
-	cmp	divisor, #0x80000000
-	cmpcc	divisor, dividend
-	movcc	divisor, divisor, lsl #1
-	movcc	curbit, curbit, lsl #1
-	bcc	Lbignum
-Loop3:
-	@ Test for possible subtractions, and note which bits
-	@ are done in the result.  On the final pass, this may subtract
-	@ too much from the dividend, but the result will be ok, since the
-	@ "bit" will have been shifted out at the bottom.
-	cmp	dividend, divisor
-	subcs	dividend, dividend, divisor
-	orrcs	result, result, curbit
-	cmp	dividend, divisor, lsr #1
-	subcs	dividend, dividend, divisor, lsr #1
-	orrcs	result, result, curbit, lsr #1
-	cmp	dividend, divisor, lsr #2
-	subcs	dividend, dividend, divisor, lsr #2
-	orrcs	result, result, curbit, lsr #2
-	cmp	dividend, divisor, lsr #3
-	subcs	dividend, dividend, divisor, lsr #3
-	orrcs	result, result, curbit, lsr #3
-	cmp	dividend, #0			@ Early termination?
-	movnes	curbit, curbit, lsr #4		@ No, any more bits to do?
-	movne	divisor, divisor, lsr #4
-	bne	Loop3
-Lgot_result:
-	mov	r0, result
-	mov 	pc, lr
-Ldiv0:
-	str	lr, [sp, #-4]!
-	bl	 __div0       (PLT)
-	mov	r0, #0			@ about as wrong as it could be
-	ldmia	sp!, {pc}
-	.size  __udivsi3       , . -  __udivsi3
-/* # 235 "libgcc1.S" */
-/* # 320 "libgcc1.S" */
-/* # 421 "libgcc1.S" */
-/* # 433 "libgcc1.S" */
-/* # 456 "libgcc1.S" */
-/* # 500 "libgcc1.S" */
-/* # 580 "libgcc1.S" */
diff --git a/arch/arm/lib/_umodsi3.S b/arch/arm/lib/_umodsi3.S
deleted file mode 100644
index 58186e9ce8..0000000000
--- a/arch/arm/lib/_umodsi3.S
+++ /dev/null
@@ -1,89 +0,0 @@
-/* # 1 "libgcc1.S" */
-@ libgcc1 routines for ARM cpu.
-@ Division routines, written by Richard Earnshaw, (rearnsha@armltd.co.uk)
-/* # 145 "libgcc1.S" */
-dividend	.req	r0
-divisor		.req	r1
-overdone	.req	r2
-curbit		.req	r3
-/* ip		.req	r12	*/
-/* sp		.req	r13	*/
-/* lr		.req	r14	*/
-/* pc		.req	r15	*/
-	.section .text.__umodsi3
-
-	.globl	 __umodsi3
-	.type  __umodsi3       ,function
-	.align 0
- __umodsi3      :
-	cmp	divisor, #0
-	beq	Ldiv0
-	mov	curbit, #1
-	cmp	dividend, divisor
-	movcc  	pc, lr
-Loop1:
-	@ Unless the divisor is very big, shift it up in multiples of
-	@ four bits, since this is the amount of unwinding in the main
-	@ division loop.  Continue shifting until the divisor is
-	@ larger than the dividend.
-	cmp	divisor, #0x10000000
-	cmpcc	divisor, dividend
-	movcc	divisor, divisor, lsl #4
-	movcc	curbit, curbit, lsl #4
-	bcc	Loop1
-Lbignum:
-	@ For very big divisors, we must shift it a bit at a time, or
-	@ we will be in danger of overflowing.
-	cmp	divisor, #0x80000000
-	cmpcc	divisor, dividend
-	movcc	divisor, divisor, lsl #1
-	movcc	curbit, curbit, lsl #1
-	bcc	Lbignum
-Loop3:
-	@ Test for possible subtractions.  On the final pass, this may
-	@ subtract too much from the dividend, so keep track of which
-	@ subtractions are done, we can fix them up afterwards...
-	mov	overdone, #0
-	cmp	dividend, divisor
-	subcs	dividend, dividend, divisor
-	cmp	dividend, divisor, lsr #1
-	subcs	dividend, dividend, divisor, lsr #1
-	orrcs	overdone, overdone, curbit, ror #1
-	cmp	dividend, divisor, lsr #2
-	subcs	dividend, dividend, divisor, lsr #2
-	orrcs	overdone, overdone, curbit, ror #2
-	cmp	dividend, divisor, lsr #3
-	subcs	dividend, dividend, divisor, lsr #3
-	orrcs	overdone, overdone, curbit, ror #3
-	mov	ip, curbit
-	cmp	dividend, #0			@ Early termination?
-	movnes	curbit, curbit, lsr #4		@ No, any more bits to do?
-	movne	divisor, divisor, lsr #4
-	bne	Loop3
-	@ Any subtractions that we should not have done will be recorded in
-	@ the top three bits of "overdone".  Exactly which were not needed
-	@ are governed by the position of the bit, stored in ip.
-	@ If we terminated early, because dividend became zero,
-	@ then none of the below will match, since the bit in ip will not be
-	@ in the bottom nibble.
-	ands	overdone, overdone, #0xe0000000
-	moveq  	pc, lr				@ No fixups needed
-	tst	overdone, ip, ror #3
-	addne	dividend, dividend, divisor, lsr #3
-	tst	overdone, ip, ror #2
-	addne	dividend, dividend, divisor, lsr #2
-	tst	overdone, ip, ror #1
-	addne	dividend, dividend, divisor, lsr #1
-	mov 	pc, lr
-Ldiv0:
-	str	lr, [sp, #-4]!
-	bl	 __div0       (PLT)
-	mov	r0, #0			@ about as wrong as it could be
-	ldmia	sp!, {pc}
-	.size  __umodsi3       , . -  __umodsi3
-/* # 320 "libgcc1.S" */
-/* # 421 "libgcc1.S" */
-/* # 433 "libgcc1.S" */
-/* # 456 "libgcc1.S" */
-/* # 500 "libgcc1.S" */
-/* # 580 "libgcc1.S" */
diff --git a/arch/arm/lib/arm.c b/arch/arm/lib/arm.c
index 8ac9ff4ae4..6549118b83 100644
--- a/arch/arm/lib/arm.c
+++ b/arch/arm/lib/arm.c
@@ -3,7 +3,6 @@
 #include <mem_malloc.h>
 #include <asm/barebox-arm.h>
 #include <asm-generic/memory_layout.h>
-#include <reloc.h>
 
 static int arm_mem_malloc_init(void)
 {
diff --git a/arch/arm/lib/armlinux.c b/arch/arm/lib/armlinux.c
index f826da64cb..9927b766d9 100644
--- a/arch/arm/lib/armlinux.c
+++ b/arch/arm/lib/armlinux.c
@@ -41,6 +41,7 @@
 #include <asm/setup.h>
 #include <asm/barebox-arm.h>
 #include <asm/armlinux.h>
+#include <asm/system.h>
 
 static struct tag *params;
 static int armlinux_architecture = 0;
@@ -85,9 +86,10 @@ static void setup_memory_tags(void)
 	}
 }
 
-static void setup_commandline_tag(const char *commandline)
+static void setup_commandline_tag(const char *commandline, int swap)
 {
 	const char *p;
+	size_t words;
 
 	if (!commandline)
 		return;
@@ -102,12 +104,20 @@ static void setup_commandline_tag(const char *commandline)
 	if (*p == '\0')
 		return;
 
+	words = (strlen(p) + 1 /* NUL */ + 3 /* round up */) >> 2;
 	params->hdr.tag = ATAG_CMDLINE;
-	params->hdr.size =
-	    (sizeof (struct tag_header) + strlen(p) + 1 + 4) >> 2;
+	params->hdr.size = (sizeof(struct tag_header) >> 2) + words;
 
 	strcpy(params->u.cmdline.cmdline, p);
 
+#ifdef CONFIG_BOOT_ENDIANNESS_SWITCH
+	if (swap) {
+		u32 *cmd = (u32 *)params->u.cmdline.cmdline;
+		while (words--)
+			cmd[words] = swab32(cmd[words]);
+	}
+#endif
+
 	params = tag_next(params);
 }
 
@@ -156,13 +166,13 @@ static void setup_end_tag (void)
 	params->hdr.size = 0;
 }
 
-static void setup_tags(struct image_data *data)
+static void setup_tags(struct image_data *data, int swap)
 {
 	const char *commandline = getenv("bootargs");
 
 	setup_start_tag();
 	setup_memory_tags();
-	setup_commandline_tag(commandline);
+	setup_commandline_tag(commandline, swap);
 
 	if (data && data->initrd)
 		setup_initrd_tag (&data->initrd->header);
@@ -231,7 +241,7 @@ static int do_bootm_linux(struct image_data *data)
 	debug("## Transferring control to Linux (at address 0x%p) ...\n",
 	       theKernel);
 
-	setup_tags(data);
+	setup_tags(data, 0);
 
 	if (relocate_image(data->os, (void *)image_get_load(os_header)))
 		return -1;
@@ -290,18 +300,21 @@ late_initcall(armlinux_register_image_handler);
 
 #ifdef CONFIG_CMD_BOOTZ
 struct zimage_header {
-	u32	unsused[9];
+	u32	unused[9];
 	u32	magic;
 	u32	start;
 	u32	end;
 };
 
+#define ZIMAGE_MAGIC 0x016F2818
+
 static int do_bootz(struct command *cmdtp, int argc, char *argv[])
 {
 	void (*theKernel)(int zero, int arch, void *params);
-	int fd, ret;
+	int fd, ret, swap = 0;
 	struct zimage_header header;
 	void *zimage;
+	u32 end;
 
 	if (argc != 2) {
 		barebox_cmd_usage(cmdtp);
@@ -320,27 +333,53 @@ static int do_bootz(struct command *cmdtp, int argc, char *argv[])
 		goto err_out;
 	}
 
-	if (header.magic != 0x016f2818) {
+	switch (header.magic) {
+#ifdef CONFIG_BOOT_ENDIANNESS_SWITCH
+	case swab32(ZIMAGE_MAGIC):
+		swap = 1;
+		/* fall through */
+#endif
+	case ZIMAGE_MAGIC:
+		break;
+	default:
 		printf("invalid magic 0x%08x\n", header.magic);
 		goto err_out;
 	}
 
-	zimage = xmalloc(header.end);
+	end = header.end;
+
+	if (swap)
+		end = swab32(end);
+
+	zimage = xmalloc(end);
 	memcpy(zimage, &header, sizeof(header));
 
-	ret = read(fd, zimage + sizeof(header), header.end - sizeof(header));
-	if (ret < header.end - sizeof(header)) {
+	ret = read(fd, zimage + sizeof(header), end - sizeof(header));
+	if (ret < end - sizeof(header)) {
 		printf("could not read %s\n", argv[1]);
 		goto err_out1;
 	}
 
+	if (swap) {
+		void *ptr;
+		for (ptr = zimage; ptr < zimage + end; ptr += 4)
+			*(u32 *)ptr = swab32(*(u32 *)ptr);
+	}
+
 	theKernel = zimage;
 
-	printf("loaded zImage from %s with size %d\n", argv[1], header.end);
+	printf("loaded zImage from %s with size %d\n", argv[1], end);
 
-	setup_tags(NULL);
+	setup_tags(NULL, swap);
 
 	shutdown_barebox();
+	if (swap) {
+		u32 reg;
+		__asm__ __volatile__("mrc p15, 0, %0, c1, c0" : "=r" (reg));
+		reg ^= CR_B; /* swap big-endian flag */
+		__asm__ __volatile__("mcr p15, 0, %0, c1, c0" :: "r" (reg));
+	}
+
 	theKernel(0, armlinux_architecture, armlinux_bootparams);
 
 	return 0;
@@ -382,7 +421,7 @@ static int do_bootu(struct command *cmdtp, int argc, char *argv[])
 	if (!theKernel)
 		theKernel = (void *)simple_strtoul(argv[1], NULL, 0);
 
-	setup_tags(NULL);
+	setup_tags(NULL, 0);
 
 	shutdown_barebox();
 	theKernel(0, armlinux_architecture, armlinux_bootparams);
diff --git a/arch/arm/lib/_ashldi3.S b/arch/arm/lib/ashldi3.S
index e1c1bf3a50..638deb13da 100644
--- a/arch/arm/lib/_ashldi3.S
+++ b/arch/arm/lib/ashldi3.S
@@ -26,6 +26,8 @@ the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 Boston, MA 02110-1301, USA.  */
 
 
+#include <linux/linkage.h>
+
 #ifdef __ARMEB__
 #define al r1
 #define ah r0
@@ -34,17 +36,18 @@ Boston, MA 02110-1301, USA.  */
 #define ah r1
 #endif
 
-	.section .text.__ashldi3
-
-.globl __ashldi3
-__ashldi3:
-.globl __aeabi_llsl
-__aeabi_llsl:
+ENTRY(__ashldi3)
+ENTRY(__aeabi_llsl)
 
 	subs	r3, r2, #32
 	rsb	ip, r2, #32
 	movmi	ah, ah, lsl r2
 	movpl	ah, al, lsl r3
-	orrmi	ah, ah, al, lsr ip
+ ARM(	orrmi	ah, ah, al, lsr ip	)
+ THUMB(	lsrmi	r3, al, ip		)
+ THUMB(	orrmi	ah, ah, r3		)
 	mov	al, al, lsl r2
 	mov	pc, lr
+
+ENDPROC(__ashldi3)
+ENDPROC(__aeabi_llsl)
diff --git a/arch/arm/lib/_ashrdi3.S b/arch/arm/lib/ashrdi3.S
index e6315547da..015e8aa5a1 100644
--- a/arch/arm/lib/_ashrdi3.S
+++ b/arch/arm/lib/ashrdi3.S
@@ -26,6 +26,8 @@ the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 Boston, MA 02110-1301, USA.  */
 
 
+#include <linux/linkage.h>
+
 #ifdef __ARMEB__
 #define al r1
 #define ah r0
@@ -34,17 +36,18 @@ Boston, MA 02110-1301, USA.  */
 #define ah r1
 #endif
 
-	.section .text.__ashrdi3
-
-.globl __ashrdi3
-__ashrdi3:
-.globl __aeabi_lasr
-__aeabi_lasr:
+ENTRY(__ashrdi3)
+ENTRY(__aeabi_lasr)
 
 	subs	r3, r2, #32
 	rsb	ip, r2, #32
 	movmi	al, al, lsr r2
 	movpl	al, ah, asr r3
-	orrmi	al, al, ah, lsl ip
+ ARM(	orrmi	al, al, ah, lsl ip	)
+ THUMB(	lslmi	r3, ah, ip		)
+ THUMB(	orrmi	al, al, r3		)
 	mov	ah, ah, asr r2
 	mov	pc, lr
+
+ENDPROC(__ashrdi3)
+ENDPROC(__aeabi_lasr)
diff --git a/arch/arm/lib/barebox.lds.S b/arch/arm/lib/barebox.lds.S
index 5bee0a17f8..cc74b2f07d 100644
--- a/arch/arm/lib/barebox.lds.S
+++ b/arch/arm/lib/barebox.lds.S
@@ -75,5 +75,6 @@ SECTIONS
 	. = ALIGN(4);
 	__bss_start = .;
 	.bss : { *(.bss*) }
+	__bss_stop = .;
 	_end = .;
 }
diff --git a/arch/arm/lib/lib1funcs.S b/arch/arm/lib/lib1funcs.S
new file mode 100644
index 0000000000..5143e90130
--- /dev/null
+++ b/arch/arm/lib/lib1funcs.S
@@ -0,0 +1,348 @@
+/*
+ * linux/arch/arm/lib/lib1funcs.S: Optimized ARM division routines
+ *
+ * Author: Nicolas Pitre <nico@fluxnic.net>
+ *   - contributed to gcc-3.4 on Sep 30, 2003
+ *   - adapted for the Linux kernel on Oct 2, 2003
+ */
+
+/* Copyright 1995, 1996, 1998, 1999, 2000, 2003 Free Software Foundation, Inc.
+
+This file 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 Foundation; either version 2, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file 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; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+
+.macro ARM_DIV_BODY dividend, divisor, result, curbit
+
+#if __LINUX_ARM_ARCH__ >= 5
+
+	clz	\curbit, \divisor
+	clz	\result, \dividend
+	sub	\result, \curbit, \result
+	mov	\curbit, #1
+	mov	\divisor, \divisor, lsl \result
+	mov	\curbit, \curbit, lsl \result
+	mov	\result, #0
+
+#else
+
+	@ Initially shift the divisor left 3 bits if possible,
+	@ set curbit accordingly.  This allows for curbit to be located
+	@ at the left end of each 4 bit nibbles in the division loop
+	@ to save one loop in most cases.
+	tst	\divisor, #0xe0000000
+	moveq	\divisor, \divisor, lsl #3
+	moveq	\curbit, #8
+	movne	\curbit, #1
+
+	@ Unless the divisor is very big, shift it up in multiples of
+	@ four bits, since this is the amount of unwinding in the main
+	@ division loop.  Continue shifting until the divisor is
+	@ larger than the dividend.
+1:	cmp	\divisor, #0x10000000
+	cmplo	\divisor, \dividend
+	movlo	\divisor, \divisor, lsl #4
+	movlo	\curbit, \curbit, lsl #4
+	blo	1b
+
+	@ For very big divisors, we must shift it a bit at a time, or
+	@ we will be in danger of overflowing.
+1:	cmp	\divisor, #0x80000000
+	cmplo	\divisor, \dividend
+	movlo	\divisor, \divisor, lsl #1
+	movlo	\curbit, \curbit, lsl #1
+	blo	1b
+
+	mov	\result, #0
+
+#endif
+
+	@ Division loop
+1:	cmp	\dividend, \divisor
+	subhs	\dividend, \dividend, \divisor
+	orrhs	\result,   \result,   \curbit
+	cmp	\dividend, \divisor,  lsr #1
+	subhs	\dividend, \dividend, \divisor, lsr #1
+	orrhs	\result,   \result,   \curbit,  lsr #1
+	cmp	\dividend, \divisor,  lsr #2
+	subhs	\dividend, \dividend, \divisor, lsr #2
+	orrhs	\result,   \result,   \curbit,  lsr #2
+	cmp	\dividend, \divisor,  lsr #3
+	subhs	\dividend, \dividend, \divisor, lsr #3
+	orrhs	\result,   \result,   \curbit,  lsr #3
+	cmp	\dividend, #0			@ Early termination?
+	movnes	\curbit,   \curbit,  lsr #4	@ No, any more bits to do?
+	movne	\divisor,  \divisor, lsr #4
+	bne	1b
+
+.endm
+
+
+.macro ARM_DIV2_ORDER divisor, order
+
+#if __LINUX_ARM_ARCH__ >= 5
+
+	clz	\order, \divisor
+	rsb	\order, \order, #31
+
+#else
+
+	cmp	\divisor, #(1 << 16)
+	movhs	\divisor, \divisor, lsr #16
+	movhs	\order, #16
+	movlo	\order, #0
+
+	cmp	\divisor, #(1 << 8)
+	movhs	\divisor, \divisor, lsr #8
+	addhs	\order, \order, #8
+
+	cmp	\divisor, #(1 << 4)
+	movhs	\divisor, \divisor, lsr #4
+	addhs	\order, \order, #4
+
+	cmp	\divisor, #(1 << 2)
+	addhi	\order, \order, #3
+	addls	\order, \order, \divisor, lsr #1
+
+#endif
+
+.endm
+
+
+.macro ARM_MOD_BODY dividend, divisor, order, spare
+
+#if __LINUX_ARM_ARCH__ >= 5
+
+	clz	\order, \divisor
+	clz	\spare, \dividend
+	sub	\order, \order, \spare
+	mov	\divisor, \divisor, lsl \order
+
+#else
+
+	mov	\order, #0
+
+	@ Unless the divisor is very big, shift it up in multiples of
+	@ four bits, since this is the amount of unwinding in the main
+	@ division loop.  Continue shifting until the divisor is
+	@ larger than the dividend.
+1:	cmp	\divisor, #0x10000000
+	cmplo	\divisor, \dividend
+	movlo	\divisor, \divisor, lsl #4
+	addlo	\order, \order, #4
+	blo	1b
+
+	@ For very big divisors, we must shift it a bit at a time, or
+	@ we will be in danger of overflowing.
+1:	cmp	\divisor, #0x80000000
+	cmplo	\divisor, \dividend
+	movlo	\divisor, \divisor, lsl #1
+	addlo	\order, \order, #1
+	blo	1b
+
+#endif
+
+	@ Perform all needed substractions to keep only the reminder.
+	@ Do comparisons in batch of 4 first.
+	subs	\order, \order, #3		@ yes, 3 is intended here
+	blt	2f
+
+1:	cmp	\dividend, \divisor
+	subhs	\dividend, \dividend, \divisor
+	cmp	\dividend, \divisor,  lsr #1
+	subhs	\dividend, \dividend, \divisor, lsr #1
+	cmp	\dividend, \divisor,  lsr #2
+	subhs	\dividend, \dividend, \divisor, lsr #2
+	cmp	\dividend, \divisor,  lsr #3
+	subhs	\dividend, \dividend, \divisor, lsr #3
+	cmp	\dividend, #1
+	mov	\divisor, \divisor, lsr #4
+	subges	\order, \order, #4
+	bge	1b
+
+	tst	\order, #3
+	teqne	\dividend, #0
+	beq	5f
+
+	@ Either 1, 2 or 3 comparison/substractions are left.
+2:	cmn	\order, #2
+	blt	4f
+	beq	3f
+	cmp	\dividend, \divisor
+	subhs	\dividend, \dividend, \divisor
+	mov	\divisor,  \divisor,  lsr #1
+3:	cmp	\dividend, \divisor
+	subhs	\dividend, \dividend, \divisor
+	mov	\divisor,  \divisor,  lsr #1
+4:	cmp	\dividend, \divisor
+	subhs	\dividend, \dividend, \divisor
+5:
+.endm
+
+
+ENTRY(__udivsi3)
+ENTRY(__aeabi_uidiv)
+
+	subs	r2, r1, #1
+	moveq	pc, lr
+	bcc	Ldiv0
+	cmp	r0, r1
+	bls	11f
+	tst	r1, r2
+	beq	12f
+
+	ARM_DIV_BODY r0, r1, r2, r3
+
+	mov	r0, r2
+	mov	pc, lr
+
+11:	moveq	r0, #1
+	movne	r0, #0
+	mov	pc, lr
+
+12:	ARM_DIV2_ORDER r1, r2
+
+	mov	r0, r0, lsr r2
+	mov	pc, lr
+
+ENDPROC(__udivsi3)
+ENDPROC(__aeabi_uidiv)
+
+ENTRY(__umodsi3)
+
+	subs	r2, r1, #1			@ compare divisor with 1
+	bcc	Ldiv0
+	cmpne	r0, r1				@ compare dividend with divisor
+	moveq   r0, #0
+	tsthi	r1, r2				@ see if divisor is power of 2
+	andeq	r0, r0, r2
+	movls	pc, lr
+
+	ARM_MOD_BODY r0, r1, r2, r3
+
+	mov	pc, lr
+
+ENDPROC(__umodsi3)
+
+ENTRY(__divsi3)
+ENTRY(__aeabi_idiv)
+
+	cmp	r1, #0
+	eor	ip, r0, r1			@ save the sign of the result.
+	beq	Ldiv0
+	rsbmi	r1, r1, #0			@ loops below use unsigned.
+	subs	r2, r1, #1			@ division by 1 or -1 ?
+	beq	10f
+	movs	r3, r0
+	rsbmi	r3, r0, #0			@ positive dividend value
+	cmp	r3, r1
+	bls	11f
+	tst	r1, r2				@ divisor is power of 2 ?
+	beq	12f
+
+	ARM_DIV_BODY r3, r1, r0, r2
+
+	cmp	ip, #0
+	rsbmi	r0, r0, #0
+	mov	pc, lr
+
+10:	teq	ip, r0				@ same sign ?
+	rsbmi	r0, r0, #0
+	mov	pc, lr
+
+11:	movlo	r0, #0
+	moveq	r0, ip, asr #31
+	orreq	r0, r0, #1
+	mov	pc, lr
+
+12:	ARM_DIV2_ORDER r1, r2
+
+	cmp	ip, #0
+	mov	r0, r3, lsr r2
+	rsbmi	r0, r0, #0
+	mov	pc, lr
+
+ENDPROC(__divsi3)
+ENDPROC(__aeabi_idiv)
+
+ENTRY(__modsi3)
+
+	cmp	r1, #0
+	beq	Ldiv0
+	rsbmi	r1, r1, #0			@ loops below use unsigned.
+	movs	ip, r0				@ preserve sign of dividend
+	rsbmi	r0, r0, #0			@ if negative make positive
+	subs	r2, r1, #1			@ compare divisor with 1
+	cmpne	r0, r1				@ compare dividend with divisor
+	moveq	r0, #0
+	tsthi	r1, r2				@ see if divisor is power of 2
+	andeq	r0, r0, r2
+	bls	10f
+
+	ARM_MOD_BODY r0, r1, r2, r3
+
+10:	cmp	ip, #0
+	rsbmi	r0, r0, #0
+	mov	pc, lr
+
+ENDPROC(__modsi3)
+
+#ifdef CONFIG_AEABI
+
+ENTRY(__aeabi_uidivmod)
+
+	stmfd	sp!, {r0, r1, ip, lr}
+	bl	__aeabi_uidiv
+	ldmfd	sp!, {r1, r2, ip, lr}
+	mul	r3, r0, r2
+	sub	r1, r1, r3
+	mov	pc, lr
+
+ENDPROC(__aeabi_uidivmod)
+
+ENTRY(__aeabi_idivmod)
+
+	stmfd	sp!, {r0, r1, ip, lr}
+	bl	__aeabi_idiv
+	ldmfd	sp!, {r1, r2, ip, lr}
+	mul	r3, r0, r2
+	sub	r1, r1, r3
+	mov	pc, lr
+
+ENDPROC(__aeabi_idivmod)
+
+#endif
+
+Ldiv0:
+
+	str	lr, [sp, #-8]!
+	bl	__div0
+	mov	r0, #0			@ About as wrong as it could be.
+	ldr	pc, [sp], #8
+
+
diff --git a/arch/arm/lib/_lshrdi3.S b/arch/arm/lib/lshrdi3.S
index 71e7f3e3d5..f83d449141 100644
--- a/arch/arm/lib/_lshrdi3.S
+++ b/arch/arm/lib/lshrdi3.S
@@ -25,6 +25,9 @@ along with this program; see the file COPYING.  If not, write to
 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 Boston, MA 02110-1301, USA.  */
 
+
+#include <linux/linkage.h>
+
 #ifdef __ARMEB__
 #define al r1
 #define ah r0
@@ -32,18 +35,19 @@ Boston, MA 02110-1301, USA.  */
 #define al r0
 #define ah r1
 #endif
-	.section .text.__lshrdi3
 
-.globl __lshrdi3
-__lshrdi3:
-.globl __aeabi_llsr
-__aeabi_llsr:
+ENTRY(__lshrdi3)
+ENTRY(__aeabi_llsr)
 
 	subs	r3, r2, #32
 	rsb	ip, r2, #32
 	movmi	al, al, lsr r2
 	movpl	al, ah, lsr r3
-	orrmi	al, al, ah, lsl ip
+ ARM(	orrmi	al, al, ah, lsl ip	)
+ THUMB(	lslmi	r3, ah, ip		)
+ THUMB(	orrmi	al, al, r3		)
 	mov	ah, ah, lsr r2
 	mov	pc, lr
 
+ENDPROC(__lshrdi3)
+ENDPROC(__aeabi_llsr)
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 8795293092..5df852667a 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -175,7 +175,8 @@ config MACH_AT91SAM9M10G45EK
 	bool "Atmel AT91SAM9M10G45-EK Evaluation Kit"
 	select HAVE_NAND_ATMEL_BUSWIDTH_16
 	help
-	  Select this if you are using Atmel's AT91SAM9M10G45-EK Evaluation Kit.
+	  Select this if you are using Atmel's AT91SAM9M10G45-EK Evaluation Kit
+	  or AT91SAM9G45-EKES or AT91SAM9M10-EKES (for those 2 select the LG LCD)
 	  <http://atmel.com/dyn/products/tools_card_v2.asp?tool_id=4735>
 
 config MACH_PM9G45
@@ -206,4 +207,20 @@ config AT91_HAVE_2MMC
 	  with 2 SD/MMC Slots. This is the case for AT91SAM9G20-EK rev. C and
 	  onwards.
 
+choice
+	prompt "LCD type"
+	depends on MACH_AT91SAM9M10G45EK
+
+config LCD_TRULY_TFT1N4633E
+	bool "truly TFT1N4633-E"
+	help
+	  Found on AT91SAM9M10G45-EK
+
+config LCD_LG_LB043WQ1
+	bool "LG philips LB043WQ1"
+	help
+	  Found on AT91SAM9G45-EKES and AT91SAM9M10-EKES
+
+endchoice
+
 endif
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index d000683863..3b2deafb2e 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -11,3 +11,4 @@ obj-$(CONFIG_IMX_IIM)	+= iim.o
 obj-$(CONFIG_NAND_IMX) += nand.o
 obj-y += speed.o
 obj-y += devices.o
+obj-y += boot.o
diff --git a/arch/arm/mach-imx/boot.c b/arch/arm/mach-imx/boot.c
new file mode 100644
index 0000000000..b4bf93bc35
--- /dev/null
+++ b/arch/arm/mach-imx/boot.c
@@ -0,0 +1,95 @@
+/*
+ * 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 Foundation; 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
+ */
+
+#include <common.h>
+#include <environment.h>
+#include <init.h>
+
+#include <asm/io.h>
+#include <mach/imx-regs.h>
+
+#if defined(CONFIG_ARCH_IMX25) || defined(CONFIG_ARCH_IMX35)
+/*
+ * Saves the boot source media into the $barebox_loc enviroment variable
+ *
+ * This information is useful for barebox init scripts as we can then easily
+ * use a kernel image stored on the same media that we launch barebox with
+ * (for example).
+ *
+ * imx25 and imx35 can boot into barebox from several media such as
+ * nand, nor, mmc/sd cards, serial roms. "mmc" is used to represent several
+ * sources as its impossible to distinguish between them.
+ *
+ * Some sources such as serial roms can themselves have 3 different boot
+ * possibilities (i2c1, i2c2 etc). It is assumed that any board will
+ * only be using one of these at any one time.
+ *
+ * Note also that I suspect that the boot source pins are only sampled at
+ * power up.
+ */
+static int imx_boot_save_loc(void)
+{
+	const char *bareboxloc = NULL;
+	uint32_t reg;
+	unsigned int ctrl, type;
+
+	/* [CTRL][TYPE] */
+	const char *const locations[4][4] = {
+		{ /* CTRL = WEIM */
+			"nor",
+			NULL,
+			"onenand",
+			NULL,
+		}, { /* CTRL == NAND */
+			"nand",
+			"nand",
+			"nand",
+			"nand",
+		}, { /* CTRL == ATA, (imx35 only) */
+			NULL,
+			NULL, /* might be p-ata */
+			NULL,
+			NULL,
+		}, { /* CTRL == expansion */
+			"mmc", /* note imx25 could also be: movinand, ce-ata */
+			NULL,
+			"i2c",
+			"spi",
+		}
+	};
+
+	reg = readl(IMX_CCM_BASE + CCM_RCSR);
+	ctrl = (reg >> CCM_RCSR_MEM_CTRL_SHIFT) & 0x3;
+	type = (reg >> CCM_RCSR_MEM_TYPE_SHIFT) & 0x3;
+
+	bareboxloc = locations[ctrl][type];
+
+	if (bareboxloc) {
+		setenv("barebox_loc", bareboxloc);
+		export("barebox_loc");
+	}
+
+	return 0;
+}
+
+/*
+ * This can only be called after env_push_context() has been called
+ * so it is a late_initcall.
+ */
+late_initcall(imx_boot_save_loc);
+
+#endif
diff --git a/arch/arm/mach-imx/include/mach/imx25-regs.h b/arch/arm/mach-imx/include/mach/imx25-regs.h
index ac590d9a0e..78ec0cdbf1 100644
--- a/arch/arm/mach-imx/include/mach/imx25-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx25-regs.h
@@ -79,6 +79,9 @@
 #define PDR0_AUTO_CON		(1 << 0)
 #define PDR0_PER_SEL		(1 << 26)
 
+#define CCM_RCSR_MEM_CTRL_SHIFT		30
+#define CCM_RCSR_MEM_TYPE_SHIFT		28
+
 /*
  * Adresses and ranges of the external chip select lines
  */
diff --git a/arch/arm/mach-imx/include/mach/imx35-regs.h b/arch/arm/mach-imx/include/mach/imx35-regs.h
index 75825e50df..280d075c87 100644
--- a/arch/arm/mach-imx/include/mach/imx35-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx35-regs.h
@@ -79,6 +79,9 @@
 #define CCM_CGR1_SDHC1_SHIFT	26
 #define CCM_CGR2_USB_SHIFT	22
 
+#define CCM_RCSR_MEM_CTRL_SHIFT		25
+#define CCM_RCSR_MEM_TYPE_SHIFT		23
+
 #define PDR0_AUTO_MUX_DIV(x)	(((x) & 0x7) << 9)
 #define PDR0_CCM_PER_AHB(x)	(((x) & 0x7) << 12)
 #define PDR0_CON_MUX_DIV(x)	(((x) & 0xf) << 16)
diff --git a/arch/arm/mach-stm/Kconfig b/arch/arm/mach-mxs/Kconfig
index e47d9f12a8..f9cefaf907 100644
--- a/arch/arm/mach-stm/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -1,4 +1,4 @@
-if ARCH_STM
+if ARCH_MXS
 
 config ARCH_TEXT_BASE
 	hex
@@ -11,7 +11,7 @@ config BOARDINFO
 	default "Chumby Falconwing" if MACH_CHUMBY
 	default "Karo TX28" if MACH_TX28
 
-comment "SigmaTel/Freescale i.MX System-on-Chip"
+comment "Freescale i.MX System-on-Chip"
 
 choice
 	prompt "Freescale i.MX Processor"
@@ -55,6 +55,7 @@ choice
 
 config MACH_TX28
 	bool "KARO tx28"
+	select HAVE_MMU
 	help
 	  Say Y here if you are using the KARO TX28 CPU module.
 
diff --git a/arch/arm/mach-stm/Makefile b/arch/arm/mach-mxs/Makefile
index 0ff8fd16d6..f70a9944cf 100644
--- a/arch/arm/mach-stm/Makefile
+++ b/arch/arm/mach-mxs/Makefile
@@ -1,4 +1,4 @@
 obj-y += imx.o iomux-imx.o reset-imx.o
 obj-$(CONFIG_DRIVER_VIDEO_STM) += imx_lcd_clk.o
-obj-$(CONFIG_ARCH_IMX23) += speed-imx23.o clocksource-imx23.o
+obj-$(CONFIG_ARCH_IMX23) += speed-imx23.o clocksource-imx23.o usb.o
 obj-$(CONFIG_ARCH_IMX28) += speed-imx28.o clocksource-imx28.o
diff --git a/arch/arm/mach-stm/clocksource-imx23.c b/arch/arm/mach-mxs/clocksource-imx23.c
index f7c94c1d75..f7c94c1d75 100644
--- a/arch/arm/mach-stm/clocksource-imx23.c
+++ b/arch/arm/mach-mxs/clocksource-imx23.c
diff --git a/arch/arm/mach-stm/clocksource-imx28.c b/arch/arm/mach-mxs/clocksource-imx28.c
index 15ae951004..15ae951004 100644
--- a/arch/arm/mach-stm/clocksource-imx28.c
+++ b/arch/arm/mach-mxs/clocksource-imx28.c
diff --git a/arch/arm/mach-stm/imx.c b/arch/arm/mach-mxs/imx.c
index 14a4249893..14a4249893 100644
--- a/arch/arm/mach-stm/imx.c
+++ b/arch/arm/mach-mxs/imx.c
diff --git a/arch/arm/mach-stm/imx_lcd_clk.c b/arch/arm/mach-mxs/imx_lcd_clk.c
index 89386640ad..65bfc6ee3d 100644
--- a/arch/arm/mach-stm/imx_lcd_clk.c
+++ b/arch/arm/mach-mxs/imx_lcd_clk.c
@@ -120,7 +120,8 @@ unsigned imx_set_lcdifclk(unsigned nc)
 			best_frac, best_div, 480 * 18 / best_frac,
 			480000 * 18 / best_frac / best_div);
 
-	reg = readl(IMX_CCM_BASE + HW_CLKCTRL_FRAC) & ~MASK_PIXFRAC;
+	reg = readl(IMX_CCM_BASE + HW_CLKCTRL_FRAC);
+	reg &= ~SET_PIXFRAC(MASK_PIXFRAC);
 	reg |= SET_PIXFRAC(best_frac);
 	writel(reg, IMX_CCM_BASE + HW_CLKCTRL_FRAC);
 	writel(reg & ~CLKCTRL_FRAC_CLKGATEPIX, IMX_CCM_BASE + HW_CLKCTRL_FRAC);
diff --git a/arch/arm/mach-stm/include/mach/clock-imx23.h b/arch/arm/mach-mxs/include/mach/clock-imx23.h
index 723f343566..723f343566 100644
--- a/arch/arm/mach-stm/include/mach/clock-imx23.h
+++ b/arch/arm/mach-mxs/include/mach/clock-imx23.h
diff --git a/arch/arm/mach-stm/include/mach/clock-imx28.h b/arch/arm/mach-mxs/include/mach/clock-imx28.h
index 45fb043ac4..45fb043ac4 100644
--- a/arch/arm/mach-stm/include/mach/clock-imx28.h
+++ b/arch/arm/mach-mxs/include/mach/clock-imx28.h
diff --git a/arch/arm/mach-stm/include/mach/clock.h b/arch/arm/mach-mxs/include/mach/clock.h
index bd1fa7c849..bd1fa7c849 100644
--- a/arch/arm/mach-stm/include/mach/clock.h
+++ b/arch/arm/mach-mxs/include/mach/clock.h
diff --git a/arch/arm/mach-stm/include/mach/fb.h b/arch/arm/mach-mxs/include/mach/fb.h
index 65e3be226b..2b6825f7b5 100644
--- a/arch/arm/mach-stm/include/mach/fb.h
+++ b/arch/arm/mach-mxs/include/mach/fb.h
@@ -31,12 +31,21 @@
 /** swap RGB to BGR */
 #define FB_SYNC_SWAP_RGB	(1 << 31)
 
-struct imx_fb_videomode {
+#define USE_LCD_RESET		1
+
+struct imx_fb_platformdata {
 	struct fb_videomode *mode_list;
 	unsigned mode_cnt;
 
 	unsigned dotclk_delay;	/**< refer manual HW_LCDIF_VDCTRL4 register */
 	unsigned ld_intf_width;	/**< refer STMLCDIF_* macros */
+	unsigned bits_per_pixel;
+
+	void *fixed_screen;	/**< if != NULL use this as framebuffer memory */
+	unsigned fixed_screen_size; /**< framebuffer memory size for fixed_screen */
+
+	unsigned flags;
+	void (*enable)(int enable); /**< hook to enable backlight */
 };
 
 #endif /* __MACH_FB_H */
diff --git a/arch/arm/mach-stm/include/mach/generic.h b/arch/arm/mach-mxs/include/mach/generic.h
index 50f25c5d1b..50f25c5d1b 100644
--- a/arch/arm/mach-stm/include/mach/generic.h
+++ b/arch/arm/mach-mxs/include/mach/generic.h
diff --git a/arch/arm/mach-stm/include/mach/gpio.h b/arch/arm/mach-mxs/include/mach/gpio.h
index c419926214..c419926214 100644
--- a/arch/arm/mach-stm/include/mach/gpio.h
+++ b/arch/arm/mach-mxs/include/mach/gpio.h
diff --git a/arch/arm/mach-stm/include/mach/imx-regs.h b/arch/arm/mach-mxs/include/mach/imx-regs.h
index 9b33a0656c..9b33a0656c 100644
--- a/arch/arm/mach-stm/include/mach/imx-regs.h
+++ b/arch/arm/mach-mxs/include/mach/imx-regs.h
diff --git a/arch/arm/mach-stm/include/mach/imx23-regs.h b/arch/arm/mach-mxs/include/mach/imx23-regs.h
index caac19bc01..cc8c03e8bb 100644
--- a/arch/arm/mach-stm/include/mach/imx23-regs.h
+++ b/arch/arm/mach-mxs/include/mach/imx23-regs.h
@@ -38,5 +38,9 @@
 #define IMX_SSP1_BASE		0x80010000
 #define IMX_FB_BASE		0x80030000
 #define IMX_SSP2_BASE		0x80034000
+#define IMX_POWER_BASE		0x80044000
+#define IMX_USBPHY_BASE		0x8007c000
+#define IMX_DIGCTL_BASE		0x8001c000
+#define IMX_USB_BASE		0x80080000
 
 #endif /* __ASM_ARCH_MX23_REGS_H */
diff --git a/arch/arm/mach-stm/include/mach/imx28-regs.h b/arch/arm/mach-mxs/include/mach/imx28-regs.h
index 0c97c4c2f2..0c97c4c2f2 100644
--- a/arch/arm/mach-stm/include/mach/imx28-regs.h
+++ b/arch/arm/mach-mxs/include/mach/imx28-regs.h
diff --git a/arch/arm/mach-stm/include/mach/iomux-imx23.h b/arch/arm/mach-mxs/include/mach/iomux-imx23.h
index bebaf56571..bebaf56571 100644
--- a/arch/arm/mach-stm/include/mach/iomux-imx23.h
+++ b/arch/arm/mach-mxs/include/mach/iomux-imx23.h
diff --git a/arch/arm/mach-stm/include/mach/iomux-imx28.h b/arch/arm/mach-mxs/include/mach/iomux-imx28.h
index 1e6d421c22..1e6d421c22 100644
--- a/arch/arm/mach-stm/include/mach/iomux-imx28.h
+++ b/arch/arm/mach-mxs/include/mach/iomux-imx28.h
diff --git a/arch/arm/mach-stm/include/mach/mci.h b/arch/arm/mach-mxs/include/mach/mci.h
index b9249085ae..b9249085ae 100644
--- a/arch/arm/mach-stm/include/mach/mci.h
+++ b/arch/arm/mach-mxs/include/mach/mci.h
diff --git a/arch/arm/mach-mxs/include/mach/usb.h b/arch/arm/mach-mxs/include/mach/usb.h
new file mode 100644
index 0000000000..af7d885cb3
--- /dev/null
+++ b/arch/arm/mach-mxs/include/mach/usb.h
@@ -0,0 +1,6 @@
+#ifndef __MACH_USB_H
+#define __MACH_USB_H
+
+int imx_usb_phy_enable(void);
+
+#endif /* __MACH_USB_H */
diff --git a/arch/arm/mach-stm/iomux-imx.c b/arch/arm/mach-mxs/iomux-imx.c
index bf6165f8d2..bf6165f8d2 100644
--- a/arch/arm/mach-stm/iomux-imx.c
+++ b/arch/arm/mach-mxs/iomux-imx.c
diff --git a/arch/arm/mach-stm/reset-imx.c b/arch/arm/mach-mxs/reset-imx.c
index b35f796b40..b35f796b40 100644
--- a/arch/arm/mach-stm/reset-imx.c
+++ b/arch/arm/mach-mxs/reset-imx.c
diff --git a/arch/arm/mach-stm/speed-imx23.c b/arch/arm/mach-mxs/speed-imx23.c
index a31139d7a7..a31139d7a7 100644
--- a/arch/arm/mach-stm/speed-imx23.c
+++ b/arch/arm/mach-mxs/speed-imx23.c
diff --git a/arch/arm/mach-stm/speed-imx28.c b/arch/arm/mach-mxs/speed-imx28.c
index 63c6b0754b..63c6b0754b 100644
--- a/arch/arm/mach-stm/speed-imx28.c
+++ b/arch/arm/mach-mxs/speed-imx28.c
diff --git a/arch/arm/mach-mxs/usb.c b/arch/arm/mach-mxs/usb.c
new file mode 100644
index 0000000000..d232bb6075
--- /dev/null
+++ b/arch/arm/mach-mxs/usb.c
@@ -0,0 +1,92 @@
+/*
+ * i.MX23/28 USBPHY setup
+ *
+ * Copyright 2011 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
+ *
+ * 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 Foundation; 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
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <mach/imx-regs.h>
+
+#define POWER_CTRL			(IMX_POWER_BASE + 0x0)
+#define POWER_CTRL_CLKGATE		0x40000000
+
+#define POWER_STS			(IMX_POWER_BASE + 0xc0)
+#define POWER_STS_VBUSVALID		0x00000002
+#define POWER_STS_BVALID		0x00000004
+#define POWER_STS_AVALID		0x00000008
+
+#define POWER_DEBUG			(IMX_POWER_BASE + 0x110)
+#define POWER_DEBUG_BVALIDPIOLOCK	0x00000002
+#define POWER_DEBUG_AVALIDPIOLOCK	0x00000004
+#define POWER_DEBUG_VBUSVALIDPIOLOCK	0x00000008
+
+#define USBPHY_PWD			(IMX_USBPHY_BASE + 0x0)
+
+#define USBPHY_CTRL			(IMX_USBPHY_BASE + 0x30)
+#define USBPHY_CTRL_SFTRST		0x80000000
+#define USBPHY_CTRL_CLKGATE		0x40000000
+
+#define CLK_PLLCTRL0			(IMX_CCM_BASE + 0x0)
+#define PLLCTRL0_EN_USB_CLKS 0x00040000
+
+#define DIGCTRL_CTRL			(IMX_DIGCTL_BASE + 0x0)
+#define DIGCTL_CTRL_USB_CLKGATE		0x00000004
+
+#define SET	0x4
+#define CLR	0x8
+
+int imx_usb_phy_enable(void)
+{
+	u32 reg;
+
+	/*
+	 * Set these bits so that we can force the OTG bits high
+	 * so the ARC core operates properly
+	 */
+	writel(POWER_CTRL_CLKGATE, POWER_CTRL + CLR);
+
+	writel(POWER_DEBUG_VBUSVALIDPIOLOCK |
+			   POWER_DEBUG_AVALIDPIOLOCK |
+			   POWER_DEBUG_BVALIDPIOLOCK, POWER_DEBUG + SET);
+
+	reg = readl(POWER_STS);
+	reg |= POWER_STS_BVALID | POWER_STS_AVALID | POWER_STS_VBUSVALID;
+	writel(reg, POWER_STS);
+
+	/* Reset USBPHY module */
+	writel(USBPHY_CTRL_SFTRST, USBPHY_CTRL + SET);
+	udelay(10);
+
+	/* Remove CLKGATE and SFTRST */
+	writel(USBPHY_CTRL_CLKGATE | USBPHY_CTRL_SFTRST, USBPHY_CTRL + CLR);
+
+	/* Turn on the USB clocks */
+	writel(PLLCTRL0_EN_USB_CLKS, CLK_PLLCTRL0 + SET);
+	writel(DIGCTL_CTRL_USB_CLKGATE, DIGCTRL_CTRL + CLR);
+
+	/* Power up the PHY */
+	writel(0, USBPHY_PWD);
+
+	/*
+	 * Set precharge bit to cure overshoot problems at the
+	 * start of packets
+	 */
+	writel(1, USBPHY_CTRL + SET);
+
+	return 0;
+}
+
diff --git a/arch/blackfin/boards/ipe337/barebox.lds.S b/arch/blackfin/boards/ipe337/barebox.lds.S
index 4299b8208b..571eeb113b 100644
--- a/arch/blackfin/boards/ipe337/barebox.lds.S
+++ b/arch/blackfin/boards/ipe337/barebox.lds.S
@@ -82,6 +82,7 @@ SECTIONS
 	. = ALIGN(4);
 	__bss_start = .;
 	.bss : { *(.bss) }
+	__bss_stop = .;
 	_end = .;
 }
 
diff --git a/arch/blackfin/include/asm/bitsperlong.h b/arch/blackfin/include/asm/bitsperlong.h
new file mode 100644
index 0000000000..6dc0bb0c13
--- /dev/null
+++ b/arch/blackfin/include/asm/bitsperlong.h
@@ -0,0 +1 @@
+#include <asm-generic/bitsperlong.h>
diff --git a/arch/blackfin/include/asm/sections.h b/arch/blackfin/include/asm/sections.h
new file mode 100644
index 0000000000..2b8c516038
--- /dev/null
+++ b/arch/blackfin/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/arch/blackfin/include/asm/swab.h b/arch/blackfin/include/asm/swab.h
new file mode 100644
index 0000000000..89de6507ca
--- /dev/null
+++ b/arch/blackfin/include/asm/swab.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _BLACKFIN_SWAB_H
+#define _BLACKFIN_SWAB_H
+
+#include <linux/types.h>
+#include <asm-generic/swab.h>
+
+#ifdef __GNUC__
+
+static __inline__ __attribute_const__ __u32 __arch_swahb32(__u32 xx)
+{
+	__u32 tmp;
+	__asm__("%1 = %0 >> 8 (V);\n\t"
+		"%0 = %0 << 8 (V);\n\t"
+		"%0 = %0 | %1;\n\t"
+		: "+d"(xx), "=&d"(tmp));
+	return xx;
+}
+#define __arch_swahb32 __arch_swahb32
+
+static __inline__ __attribute_const__ __u32 __arch_swahw32(__u32 xx)
+{
+	__u32 rv;
+	__asm__("%0 = PACK(%1.L, %1.H);\n\t": "=d"(rv): "d"(xx));
+	return rv;
+}
+#define __arch_swahw32 __arch_swahw32
+
+static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 xx)
+{
+	return __arch_swahb32(__arch_swahw32(xx));
+}
+#define __arch_swab32 __arch_swab32
+
+static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 xx)
+{
+	__u32 xw = xx;
+	__asm__("%0 <<= 8;\n	%0.L = %0.L + %0.H (NS);\n": "+d"(xw));
+	return (__u16)xw;
+}
+#define __arch_swab16 __arch_swab16
+
+#endif /* __GNUC__ */
+
+#endif				/* _BLACKFIN_SWAB_H */
diff --git a/arch/ppc/boards/pcm030/barebox.lds.S b/arch/ppc/boards/pcm030/barebox.lds.S
index ab99335675..21bf4a75c7 100644
--- a/arch/ppc/boards/pcm030/barebox.lds.S
+++ b/arch/ppc/boards/pcm030/barebox.lds.S
@@ -55,6 +55,8 @@ SECTIONS
   .plt : { *(.plt) }
   .text      :
   {
+    _text = .;
+    _stext = .;
     arch/ppc/mach-mpc5xxx/start.o	(.text)
     *(.text*)
     *(.got1*)
@@ -134,6 +136,7 @@ SECTIONS
    *(.bss*)
    *(COMMON)
   }
+  __bss_stop = .;
   _end = . ;
   PROVIDE (end = .);
 }
diff --git a/arch/ppc/include/asm/byteorder.h b/arch/ppc/include/asm/byteorder.h
index d3e719b8a5..aa6cc4fac9 100644
--- a/arch/ppc/include/asm/byteorder.h
+++ b/arch/ppc/include/asm/byteorder.h
@@ -1,79 +1,12 @@
-#ifndef _PPC_BYTEORDER_H
-#define _PPC_BYTEORDER_H
-
-#include <asm/types.h>
-
-#ifdef __GNUC__
-
-extern __inline__ unsigned ld_le16(const volatile unsigned short *addr)
-{
-	unsigned val;
-
-	__asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
-	return val;
-}
-
-extern __inline__ void st_le16(volatile unsigned short *addr, const unsigned val)
-{
-	__asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
-}
-
-extern __inline__ unsigned ld_le32(const volatile unsigned *addr)
-{
-	unsigned val;
-
-	__asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
-	return val;
-}
-
-extern __inline__ void st_le32(volatile unsigned *addr, const unsigned val)
-{
-	__asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
-}
-
-/* alas, egcs sounds like it has a bug in this code that doesn't use the
-   inline asm correctly, and can cause file corruption. Until I hear that
-   it's fixed, I can live without the extra speed. I hope. */
-#if !(__GNUC__ >= 2 && __GNUC_MINOR__ >= 90)
-static __inline__ __attribute__((const)) __u16 ___arch__swab16(__u16 value)
-{
-	__u16 result;
-
-	__asm__("rlwimi %0,%1,8,16,23"
-	    : "=r" (result)
-	    : "r" (value), "0" (value >> 8));
-	return result;
-}
-
-static __inline__ __attribute__((const)) __u32 ___arch__swab32(__u32 value)
-{
-	__u32 result;
-
-	__asm__("rlwimi %0,%1,24,16,23\n\t"
-	    "rlwimi %0,%1,8,8,15\n\t"
-	    "rlwimi %0,%1,24,0,7"
-	    : "=r" (result)
-	    : "r" (value), "0" (value >> 24));
-	return result;
-}
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-
-#endif
-
-/* The same, but returns converted value from the location pointer by addr. */
-#define __arch__swab16p(addr) ld_le16(addr)
-#define __arch__swab32p(addr) ld_le32(addr)
-
-/* The same, but do the conversion in situ, ie. put the value back to addr. */
-#define __arch__swab16s(addr) st_le16(addr,*addr)
-#define __arch__swab32s(addr) st_le32(addr,*addr)
-
-#endif /* __GNUC__ */
-
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
-#define __BYTEORDER_HAS_U64__
-#endif
+#ifndef _ASM_POWERPC_BYTEORDER_H
+#define _ASM_POWERPC_BYTEORDER_H
+
+/*
+ * 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 Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
 #include <linux/byteorder/big_endian.h>
 
-#endif /* _PPC_BYTEORDER_H */
+#endif /* _ASM_POWERPC_BYTEORDER_H */
diff --git a/arch/ppc/include/asm/sections.h b/arch/ppc/include/asm/sections.h
new file mode 100644
index 0000000000..2b8c516038
--- /dev/null
+++ b/arch/ppc/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/arch/ppc/include/asm/swab.h b/arch/ppc/include/asm/swab.h
new file mode 100644
index 0000000000..c581e3ef73
--- /dev/null
+++ b/arch/ppc/include/asm/swab.h
@@ -0,0 +1,90 @@
+#ifndef _ASM_POWERPC_SWAB_H
+#define _ASM_POWERPC_SWAB_H
+
+/*
+ * 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 Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+
+#ifdef __GNUC__
+
+#ifndef __powerpc64__
+#define __SWAB_64_THRU_32__
+#endif /* __powerpc64__ */
+
+#ifdef __KERNEL__
+
+static __inline__ __u16 ld_le16(const volatile __u16 *addr)
+{
+	__u16 val;
+
+	__asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
+	return val;
+}
+#define __arch_swab16p ld_le16
+
+static __inline__ void st_le16(volatile __u16 *addr, const __u16 val)
+{
+	__asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
+}
+
+static inline void __arch_swab16s(__u16 *addr)
+{
+	st_le16(addr, *addr);
+}
+#define __arch_swab16s __arch_swab16s
+
+static __inline__ __u32 ld_le32(const volatile __u32 *addr)
+{
+	__u32 val;
+
+	__asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
+	return val;
+}
+#define __arch_swab32p ld_le32
+
+static __inline__ void st_le32(volatile __u32 *addr, const __u32 val)
+{
+	__asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
+}
+
+static inline void __arch_swab32s(__u32 *addr)
+{
+	st_le32(addr, *addr);
+}
+#define __arch_swab32s __arch_swab32s
+
+static inline __attribute_const__ __u16 __arch_swab16(__u16 value)
+{
+	__u16 result;
+
+	__asm__("rlwimi %0,%1,8,16,23"
+	    : "=r" (result)
+	    : "r" (value), "0" (value >> 8));
+	return result;
+}
+#define __arch_swab16 __arch_swab16
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 value)
+{
+	__u32 result;
+
+	__asm__("rlwimi %0,%1,24,16,23\n\t"
+	    "rlwimi %0,%1,8,8,15\n\t"
+	    "rlwimi %0,%1,24,0,7"
+	    : "=r" (result)
+	    : "r" (value), "0" (value >> 24));
+	return result;
+}
+#define __arch_swab32 __arch_swab32
+
+#endif /* __KERNEL__ */
+
+#endif /* __GNUC__ */
+
+#endif /* _ASM_POWERPC_SWAB_H */
diff --git a/arch/sandbox/include/asm/sections.h b/arch/sandbox/include/asm/sections.h
new file mode 100644
index 0000000000..2b8c516038
--- /dev/null
+++ b/arch/sandbox/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/arch/sandbox/include/asm/swab.h b/arch/sandbox/include/asm/swab.h
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/arch/sandbox/include/asm/swab.h
diff --git a/arch/sandbox/mach-sandbox/include/mach/linux.h b/arch/sandbox/mach-sandbox/include/mach/linux.h
index b9053d85ae..7c2386d247 100644
--- a/arch/sandbox/mach-sandbox/include/mach/linux.h
+++ b/arch/sandbox/mach-sandbox/include/mach/linux.h
@@ -8,8 +8,6 @@ int linux_read(int fd, void *buf, size_t count);
 int linux_read_nonblock(int fd, void *buf, size_t count);
 ssize_t linux_write(int fd, const void *buf, size_t count);
 off_t linux_lseek(int fildes, off_t offset);
-int linux_getc (void);
-void linux_putc (const char c);
 int linux_tstc(int fd);
 
 int barebox_register_console(char *name_template, int stdinfd, int stdoutfd);
diff --git a/arch/sandbox/os/common.c b/arch/sandbox/os/common.c
index 287be0d13b..dcaf0c837e 100644
--- a/arch/sandbox/os/common.c
+++ b/arch/sandbox/os/common.c
@@ -73,17 +73,6 @@ static void cookmode(void)
 	tcsetattr(0, TCSANOW, &term_orig);
 }
 
-void linux_putc(const char c)
-{
-	fputc(c, stdout);
-
-	/* If \n, also do \r */
-	if (c == '\n')
-		linux_putc ('\r');
-
-	fflush(stdout);
-}
-
 int linux_tstc(int fd)
 {
 	struct timeval tv = {
@@ -117,15 +106,6 @@ int ctrlc(void)
 	return 0;
 }
 
-int linux_getc(void)
-{
-	char ret;
-
-	read(0, &ret, 1);
-
-	return ret;
-}
-
 uint64_t linux_get_time(void)
 {
 	struct timespec ts;
diff --git a/arch/x86/boot/main_entry.c b/arch/x86/boot/main_entry.c
index 5f199e985b..d1d8f34bc4 100644
--- a/arch/x86/boot/main_entry.c
+++ b/arch/x86/boot/main_entry.c
@@ -24,10 +24,7 @@
  */
 
 #include <string.h>
-
-/* These symbols are generated by the linker */
-extern char __bss_start;
-extern char __bss_end;
+#include <asm/sections.h>
 
 extern void start_barebox(void);
 
@@ -39,6 +36,6 @@ extern void start_barebox(void);
 void uboot_entry(void)
 {
 	/* clear the BSS first */
-	memset(&__bss_start, 0x00, &__bss_end - &__bss_start);
+	memset(__bss_start, 0x00, __bss_stop - __bss_start);
 	start_barebox();
 }
diff --git a/arch/x86/boot/pmjump.S b/arch/x86/boot/pmjump.S
index 0e4cd38536..d2fb8f0ebc 100644
--- a/arch/x86/boot/pmjump.S
+++ b/arch/x86/boot/pmjump.S
@@ -51,7 +51,7 @@ protected_mode_jump:
 	.code32
 
 	.extern uboot_entry
-	.extern __bss_end
+	.extern __bss_stop
 
 	.type	in_pm32, @function
 in_pm32:
@@ -65,7 +65,7 @@ in_pm32:
  * Our flat mode code uses its own stack area behind the bss. With this we
  * are still able to return to real mode temporarely
  */
-	movl $__bss_end + 32768, %esp
+	movl $__bss_stop + 32768, %esp
 
 	# Set up TR to make Intel VT happy
 	ltr %di
diff --git a/arch/x86/include/asm/sections.h b/arch/x86/include/asm/sections.h
new file mode 100644
index 0000000000..2b8c516038
--- /dev/null
+++ b/arch/x86/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/arch/x86/include/asm/swab.h b/arch/x86/include/asm/swab.h
new file mode 100644
index 0000000000..557cd9f006
--- /dev/null
+++ b/arch/x86/include/asm/swab.h
@@ -0,0 +1,61 @@
+#ifndef _ASM_X86_SWAB_H
+#define _ASM_X86_SWAB_H
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
+{
+#ifdef __i386__
+# ifdef CONFIG_X86_BSWAP
+	asm("bswap %0" : "=r" (val) : "0" (val));
+# else
+	asm("xchgb %b0,%h0\n\t"	/* swap lower bytes	*/
+	    "rorl $16,%0\n\t"	/* swap words		*/
+	    "xchgb %b0,%h0"	/* swap higher bytes	*/
+	    : "=q" (val)
+	    : "0" (val));
+# endif
+
+#else /* __i386__ */
+	asm("bswapl %0"
+	    : "=r" (val)
+	    : "0" (val));
+#endif
+	return val;
+}
+#define __arch_swab32 __arch_swab32
+
+static inline __attribute_const__ __u64 __arch_swab64(__u64 val)
+{
+#ifdef __i386__
+	union {
+		struct {
+			__u32 a;
+			__u32 b;
+		} s;
+		__u64 u;
+	} v;
+	v.u = val;
+# ifdef CONFIG_X86_BSWAP
+	asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
+	    : "=r" (v.s.a), "=r" (v.s.b)
+	    : "0" (v.s.a), "1" (v.s.b));
+# else
+	v.s.a = __arch_swab32(v.s.a);
+	v.s.b = __arch_swab32(v.s.b);
+	asm("xchgl %0,%1"
+	    : "=r" (v.s.a), "=r" (v.s.b)
+	    : "0" (v.s.a), "1" (v.s.b));
+# endif
+	return v.u;
+#else /* __i386__ */
+	asm("bswapq %0"
+	    : "=r" (val)
+	    : "0" (val));
+	return val;
+#endif
+}
+#define __arch_swab64 __arch_swab64
+
+#endif /* _ASM_X86_SWAB_H */
diff --git a/arch/x86/lib/barebox.lds.S b/arch/x86/lib/barebox.lds.S
index 2917d2fa12..e0919a68ea 100644
--- a/arch/x86/lib/barebox.lds.S
+++ b/arch/x86/lib/barebox.lds.S
@@ -188,7 +188,7 @@ SECTIONS
 		__bss_start = .;
 		*(.bss*);
 		*( COMMON )
-		__bss_end = .;
+		__bss_stop = .;
 		_end = .;
 	} > barebox
 }
diff --git a/commands/bmp.c b/commands/bmp.c
index 5bac031004..644a977312 100644
--- a/commands/bmp.c
+++ b/commands/bmp.c
@@ -25,6 +25,7 @@ static inline void set_pixel(struct fb_info *info, void *adr, int r, int g, int
 		*(u16 *)adr = px;
 		break;
 	case 32:
+		*(u32 *)adr = px;
 		break;
 	}
 }
diff --git a/commands/edit.c b/commands/edit.c
index ca40d5921b..3519b096fd 100644
--- a/commands/edit.c
+++ b/commands/edit.c
@@ -184,10 +184,8 @@ static struct line *line_realloc(int len, struct line *line)
 {
 	int size = 32;
 
-	if (!line) {
+	if (!line)
 		line = xzalloc(sizeof(struct line));
-		line->data = malloc(32);
-	}
 
 	while (size < len)
 		size <<= 1;
diff --git a/common/env.c b/common/env.c
index f81bd468ff..b72b5d1f4a 100644
--- a/common/env.c
+++ b/common/env.c
@@ -81,7 +81,7 @@ int env_push_context(void)
 	return 0;
 }
 
-late_initcall(env_push_context);
+device_initcall(env_push_context);
 
 /**
  * FIXME
diff --git a/common/startup.c b/common/startup.c
index 0d7ccb9487..aa76cb75af 100644
--- a/common/startup.c
+++ b/common/startup.c
@@ -40,6 +40,7 @@
 #include <environment.h>
 #include <reloc.h>
 #include <asm-generic/memory_layout.h>
+#include <asm/sections.h>
 
 extern initcall_t __barebox_initcalls_start[], __barebox_early_initcalls_end[],
 		  __barebox_initcalls_end[];
@@ -50,8 +51,8 @@ static void display_meminfo(void)
 	ulong mend   = mem_malloc_end();
 	ulong msize  = mend - mstart + 1;
 
-	debug("barebox code : 0x%08lX -> 0x%08lX  BSS: -> 0x%08lX\n",
-	       _barebox_start, _bss_start, _bss_end);
+	debug("barebox code: 0x%p -> 0x%p\n", _stext, _etext);
+	debug("bss segment:  0x%p -> 0x%p\n", __bss_start, __bss_stop);
 	printf("Malloc space: 0x%08lx -> 0x%08lx (size %s)\n",
 		mstart, mend, size_human_readable(msize));
 #ifdef CONFIG_ARM
diff --git a/defaultenv/bin/_update_help b/defaultenv/bin/_update_help
index 22d940e142..5e3ca45c79 100644
--- a/defaultenv/bin/_update_help
+++ b/defaultenv/bin/_update_help
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-echo "usage: $0 -t <kernel|rootfs|barebox> -d <nor|nand> [-m tftp|xmodem] [-f imagename] -c"
+echo "usage: update -t <kernel|rootfs|barebox|bareboxenv> -d <nor|nand> [-m tftp|xmodem] [-f imagename] -c"
 echo "update tools."
 echo ""
 echo "options"
@@ -10,3 +10,4 @@ echo "default mode is tftp"
 echo "type update -t kernel -d <nor|nand> [-m tftp|xmodem] [-f imagename] to update kernel into flash"
 echo "type update -t rootfs -d <nor|nand> [-m tftp|xmodem] [-f imagename] to update rootfs into flash"
 echo "type update -t barebox -d <nor|nand> [-m tftp|xmodem] [-f imagename] to update barebox into flash"
+echo "type update -t bareboxenv -d <nor|nand> [-m tftp|xmodem] [-f imagename] to update bareboxenv into flash"
diff --git a/defaultenv/bin/boot b/defaultenv/bin/boot
index 4c2975d319..788a781159 100644
--- a/defaultenv/bin/boot
+++ b/defaultenv/bin/boot
@@ -34,7 +34,10 @@ else
 	fi
 
 	if [ x$rootfs_type = xubifs ]; then
-		bootargs="$bootargs root=ubi0:root ubi.mtd=$rootfs_mtdblock"
+		if [ -z $ubiroot ]; then
+			ubiroot="root"
+		fi
+		bootargs="$bootargs root=ubi0:$ubiroot ubi.mtd=$rootfs_mtdblock"
 	else
 		bootargs="$bootargs root=/dev/mtdblock$rootfs_mtdblock"
 	fi
diff --git a/defaultenv/bin/init b/defaultenv/bin/init
index 96a5716628..b66f7d988c 100644
--- a/defaultenv/bin/init
+++ b/defaultenv/bin/init
@@ -4,15 +4,15 @@ PATH=/env/bin
 export PATH
 
 . /env/config
-if [ -e /dev/nor0 ]; then
+if [ -e /dev/nor0 -a -n "$nor_parts" ]; then
 	addpart /dev/nor0 $nor_parts
 fi
 
-if [ -e /dev/disk0 ]; then
+if [ -e /dev/disk0 -a -n "$disk_parts" ]; then
 	addpart /dev/disk0 $disk_parts
 fi
 
-if [ -e /dev/nand0 ]; then
+if [ -e /dev/nand0 -a -n "$nand_parts" ]; then
 	addpart /dev/nand0 $nand_parts
 
 	# Uh, oh, hush first expands wildcards and then starts executing
@@ -28,9 +28,6 @@ echo
 echo -n "Hit any key to stop autoboot: "
 timeout -a $autoboot_timeout
 if [ $? != 0 ]; then
-	echo
-	update -h
-	echo
 	exit
 fi
 
diff --git a/defaultenv/bin/update b/defaultenv/bin/update
index 29c240b784..43d30977d8 100644
--- a/defaultenv/bin/update
+++ b/defaultenv/bin/update
@@ -1,12 +1,12 @@
 #!/bin/sh
 
-. /env/config
-
 type=""
 device_type=""
 check=n
 mode=tftp
 
+. /env/config
+
 while getopt "ht:d:f:m:c" Option
 do
 if [ ${Option} = t ]; then
@@ -35,6 +35,11 @@ elif [ x${type} = xbarebox ]; then
 	if [ x${image} = x ]; then
 		image=barebox.bin
 	fi
+elif [ x${type} = xbareboxenv ]; then
+	image=$bareboxenvimage
+	if [ x${image} = x ]; then
+		image=bareboxenv.bin
+	fi
 else
 	. /env/bin/_update_help
 	exit 1
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 266cb52c0c..93e978ed6c 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -151,7 +151,7 @@ static int i2c_imx_bus_busy(struct i2c_adapter *adapter, int for_busy)
 			break;
 		if (!for_busy && !(temp & I2SR_IBB))
 			break;
-		if (is_timeout(start, MSECOND)) {
+		if (is_timeout(start, 500 * MSECOND)) {
 			dev_err(adapter->dev,
 				 "<%s> timeout waiting for I2C bus %s\n",
 				 __func__,for_busy ? "busy" : "not busy");
@@ -170,34 +170,15 @@ static int i2c_imx_trx_complete(struct i2c_adapter *adapter)
 	start = get_time_ns();
 	while (1) {
 		unsigned int reg = readb(base + IMX_I2C_I2SR);
-		if (reg & I2SR_ICF)
-			break;
-
-		if (is_timeout(start, 100 * MSECOND)) {
-			dev_err(adapter->dev, "<%s> TXR timeout\n", __func__);
-			return -EIO;
-		}
-	}
-
-	return 0;
-}
-
-static int i2c_imx_wait_iif(struct i2c_adapter *adapter)
-{
-	unsigned long base = adapter->dev->map_base;
-	uint64_t start;
-
-	start = get_time_ns();
-	while (1) {
-		unsigned int reg = readb(base + IMX_I2C_I2SR);
 		if (reg & I2SR_IIF)
 			break;
 
 		if (is_timeout(start, 100 * MSECOND)) {
-			dev_err(adapter->dev, "<%s> IIF timeout\n", __func__);
+			dev_err(adapter->dev, "<%s> TXR timeout\n", __func__);
 			return -EIO;
 		}
 	}
+	writeb(0, base + IMX_I2C_I2SR);
 
 	return 0;
 }
@@ -277,9 +258,13 @@ static void i2c_imx_stop(struct i2c_adapter *adapter)
 		udelay(i2c_imx->disable_delay);
 	}
 
+	if (!i2c_imx->stopped) {
+		i2c_imx_bus_busy(adapter, 0);
+		i2c_imx->stopped = 1;
+	}
+
 	/* Disable I2C controller, and force our state to stopped */
 	writeb(0, base + IMX_I2C_I2CR);
-	i2c_imx->stopped = 1;
 }
 
 static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
@@ -379,10 +364,6 @@ static int i2c_imx_read(struct i2c_adapter *adapter, struct i2c_msg *msgs)
 	if (result)
 		return result;
 
-	result = i2c_imx_wait_iif(adapter);
-	if (result)
-		return result;
-
 	/* setup bus to read data */
 	temp = readb(base + IMX_I2C_I2CR);
 	temp &= ~I2CR_MTX;
diff --git a/drivers/mci/Kconfig b/drivers/mci/Kconfig
index ee04079c38..7d214ac86d 100644
--- a/drivers/mci/Kconfig
+++ b/drivers/mci/Kconfig
@@ -29,7 +29,7 @@ comment "--- MCI host drivers ---"
 
 config MCI_STM378X
 	bool "i.MX23/i.MX28"
-	depends on ARCH_STM
+	depends on ARCH_MXS
 	help
 	  Enable this entry to add support to read and write SD cards on a
 	  i.MX23/i.MX28 based system.
diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
index c5627001a2..01371523d8 100644
--- a/drivers/mci/mci-core.c
+++ b/drivers/mci/mci-core.c
@@ -1333,10 +1333,7 @@ static struct driver_d mci_driver = {
 
 static int mci_init(void)
 {
-	sector_buf = memalign(32, 512);
-	if (!sector_buf)
-		return -ENOMEM;
-
+	sector_buf = xmemalign(32, 512);
 	return register_driver(&mci_driver);
 }
 
diff --git a/drivers/net/at91_ether.c b/drivers/net/at91_ether.c
index 4563ff383f..d5e26a15d0 100644
--- a/drivers/net/at91_ether.c
+++ b/drivers/net/at91_ether.c
@@ -263,7 +263,7 @@ static int at91rm9200_eth_init (struct device_d *dev)
 	struct eth_device *edev;
 	int i;
 
-	edev = malloc(sizeof(struct eth_device));
+	edev = xmalloc(sizeof(struct eth_device));
 	dev->priv = edev;
 
 	edev->open = at91rm9200_eth_open;
diff --git a/drivers/net/cs8900.c b/drivers/net/cs8900.c
index b8264d7041..de6d038674 100644
--- a/drivers/net/cs8900.c
+++ b/drivers/net/cs8900.c
@@ -440,14 +440,14 @@ static int cs8900_probe(struct device_d *dev)
 
 	debug("cs8900_init()\n");
 
-	priv = (struct cs8900_priv *)malloc(sizeof(*priv));
+	priv = (struct cs8900_priv *)xmalloc(sizeof(*priv));
 	priv->regs = (u16 *)dev->map_base;
 	if (cs8900_check_id(priv)) {
 		free(priv);
 		return -1;
 	}
 
-	edev = (struct eth_device *)malloc(sizeof(struct eth_device));
+	edev = (struct eth_device *)xmalloc(sizeof(struct eth_device));
 	dev->type_data = edev;
 	edev->priv = priv;
 
diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
index 51cdb40d51..ca72e93ff0 100644
--- a/drivers/net/fec_imx.c
+++ b/drivers/net/fec_imx.c
@@ -33,7 +33,7 @@
 #include <mach/imx-regs.h>
 #include <clock.h>
 #include <mach/clock.h>
-#ifndef CONFIG_ARCH_STM
+#ifndef CONFIG_ARCH_MXS
 # include <mach/iim.h>
 #endif
 #include <xfuncs.h>
@@ -269,7 +269,7 @@ static void fec_rbd_clean(int last, struct buffer_descriptor __iomem *pRbd)
 
 static int fec_get_hwaddr(struct eth_device *dev, unsigned char *mac)
 {
-#ifdef CONFIG_ARCH_STM
+#ifdef CONFIG_ARCH_MXS
 	return -1;
 #else
 	return imx_iim_get_mac(mac);
@@ -565,7 +565,7 @@ static int fec_recv(struct eth_device *dev)
 
 			if (cpu_is_mx28())
 				imx28_fix_endianess_rd(
-					(void *)readl(&rbd->data_pointer),
+					phys_to_virt(readl(&rbd->data_pointer)),
 					(readw(&rbd->data_length) + 3) >> 2);
 
 			/*
diff --git a/drivers/net/fec_mpc5200.c b/drivers/net/fec_mpc5200.c
index 8b2cb4d7ff..7528316b37 100644
--- a/drivers/net/fec_mpc5200.c
+++ b/drivers/net/fec_mpc5200.c
@@ -661,9 +661,9 @@ int mpc5xxx_fec_probe(struct device_d *dev)
         struct eth_device *edev;
 	mpc5xxx_fec_priv *fec;
 
-        edev = (struct eth_device *)malloc(sizeof(struct eth_device));
+        edev = (struct eth_device *)xmalloc(sizeof(struct eth_device));
         dev->type_data = edev;
-	fec = (mpc5xxx_fec_priv *)malloc(sizeof(*fec));
+	fec = (mpc5xxx_fec_priv *)xmalloc(sizeof(*fec));
         edev->priv = fec;
 	edev->open = mpc5xxx_fec_open,
 	edev->init = mpc5xxx_fec_init,
diff --git a/drivers/net/tap.c b/drivers/net/tap.c
index 522a9f11f0..a30a9c82da 100644
--- a/drivers/net/tap.c
+++ b/drivers/net/tap.c
@@ -79,7 +79,7 @@ int tap_probe(struct device_d *dev)
 	struct tap_priv *priv;
 	int ret = 0;
 
-	priv = malloc(sizeof(struct tap_priv));
+	priv = xmalloc(sizeof(struct tap_priv));
 	priv->name = "barebox";
 
 	priv->fd = tap_alloc(priv->name);
@@ -88,7 +88,7 @@ int tap_probe(struct device_d *dev)
 		goto out;
 	}
 
-	edev = malloc(sizeof(struct eth_device));
+	edev = xmalloc(sizeof(struct eth_device));
 	dev->type_data = edev;
 	edev->priv = priv;
 
diff --git a/drivers/nor/cfi_flash.c b/drivers/nor/cfi_flash.c
index fccb0086ee..39c2bf18d8 100644
--- a/drivers/nor/cfi_flash.c
+++ b/drivers/nor/cfi_flash.c
@@ -305,7 +305,7 @@ static ulong flash_get_size (struct flash_info *info, ulong base)
 #endif
 
 	/* first only malloc space for the first sector */
-	info->start = malloc(sizeof(ulong));
+	info->start = xmalloc(sizeof(ulong));
 
 	info->start[0] = base;
 	info->protect = 0;
@@ -394,8 +394,8 @@ static ulong flash_get_size (struct flash_info *info, ulong base)
 			cur_offset += erase_region_size * erase_region_count;
 
 			/* increase the space malloced for the sector start addresses */
-			info->start = realloc(info->start, sizeof(ulong) * (erase_region_count + sect_cnt));
-			info->protect = realloc(info->protect, sizeof(uchar) * (erase_region_count + sect_cnt));
+			info->start = xrealloc(info->start, sizeof(ulong) * (erase_region_count + sect_cnt));
+			info->protect = xrealloc(info->protect, sizeof(uchar) * (erase_region_count + sect_cnt));
 
 			for (j = 0; j < erase_region_count; j++) {
 				info->start[sect_cnt] = sector;
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 04d9b98174..ffd877a410 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -19,7 +19,7 @@ config DRIVER_SERIAL_IMX
 	bool "i.MX serial driver"
 
 config DRIVER_SERIAL_STM378X
-	depends on ARCH_STM
+	depends on ARCH_MXS
 	default y
 	bool "i.MX23/i.MX28 serial driver"
 
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index bc9b0def8e..442dbc4cab 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -157,8 +157,7 @@ static int pl011_probe(struct device_d *dev)
 	struct amba_uart_port *uart;
 	struct console_device *cdev;
 
-	uart = malloc(sizeof(struct amba_uart_port));
-
+	uart = xmalloc(sizeof(struct amba_uart_port));
 	uart->clk = clk_get(dev, NULL);
 
 	if (IS_ERR(uart->clk))
diff --git a/drivers/serial/atmel.c b/drivers/serial/atmel.c
index b99ec4dacc..109895226f 100644
--- a/drivers/serial/atmel.c
+++ b/drivers/serial/atmel.c
@@ -398,8 +398,7 @@ static int atmel_serial_probe(struct device_d *dev)
 	struct atmel_uart_port *uart;
 	struct console_device *cdev;
 
-	uart = malloc(sizeof(struct atmel_uart_port));
-
+	uart = xmalloc(sizeof(struct atmel_uart_port));
 	cdev = &uart->uart;
 	dev->type_data = cdev;
 	cdev->dev = dev;
diff --git a/drivers/serial/serial_blackfin.c b/drivers/serial/serial_blackfin.c
index 2101b7e035..59b2fbb1ec 100644
--- a/drivers/serial/serial_blackfin.c
+++ b/drivers/serial/serial_blackfin.c
@@ -115,7 +115,7 @@ static int blackfin_serial_probe(struct device_d *dev)
 {
 	struct console_device *cdev;
 
-	cdev = malloc(sizeof(struct console_device));
+	cdev = xmalloc(sizeof(struct console_device));
 	dev->type_data = cdev;
 	cdev->dev = dev;
 	cdev->f_caps = CONSOLE_STDIN | CONSOLE_STDOUT | CONSOLE_STDERR;
diff --git a/drivers/serial/serial_imx.c b/drivers/serial/serial_imx.c
index a7562f9db1..984d7f2f51 100644
--- a/drivers/serial/serial_imx.c
+++ b/drivers/serial/serial_imx.c
@@ -319,7 +319,7 @@ static int imx_serial_probe(struct device_d *dev)
 	struct imx_serial_priv *priv;
 	uint32_t val;
 
-	priv = malloc(sizeof(*priv));
+	priv = xmalloc(sizeof(*priv));
 	cdev = &priv->cdev;
 
 	priv->regs = (void __force __iomem *)dev->map_base;
diff --git a/drivers/serial/serial_netx.c b/drivers/serial/serial_netx.c
index 7c095197fd..9d4b29efc6 100644
--- a/drivers/serial/serial_netx.c
+++ b/drivers/serial/serial_netx.c
@@ -140,7 +140,7 @@ static int netx_serial_probe(struct device_d *dev)
 {
 	struct console_device *cdev;
 
-	cdev = malloc(sizeof(struct console_device));
+	cdev = xmalloc(sizeof(struct console_device));
 	dev->type_data = cdev;
 	cdev->dev = dev;
 	cdev->f_caps = CONSOLE_STDIN | CONSOLE_STDOUT | CONSOLE_STDERR;
diff --git a/drivers/serial/serial_pl010.c b/drivers/serial/serial_pl010.c
index 1a6366f63c..7923ebb788 100644
--- a/drivers/serial/serial_pl010.c
+++ b/drivers/serial/serial_pl010.c
@@ -141,7 +141,7 @@ static int pl010_probe(struct device_d *dev)
 {
 	struct console_device *cdev;
 
-	cdev = malloc(sizeof(struct console_device));
+	cdev = xmalloc(sizeof(struct console_device));
 	dev->type_data = cdev;
 	cdev->dev = dev;
 	cdev->f_caps = CONSOLE_STDIN | CONSOLE_STDOUT | CONSOLE_STDERR;
diff --git a/drivers/serial/serial_s3c24x0.c b/drivers/serial/serial_s3c24x0.c
index d7eac8f7dd..0a1796735f 100644
--- a/drivers/serial/serial_s3c24x0.c
+++ b/drivers/serial/serial_s3c24x0.c
@@ -121,8 +121,7 @@ static int s3c24x0_serial_probe(struct device_d *dev)
 {
 	struct console_device *cdev;
 
-	cdev = malloc(sizeof(struct console_device));
-
+	cdev = xmalloc(sizeof(struct console_device));
 	dev->type_data = cdev;
 	cdev->dev = dev;
 	cdev->f_caps = CONSOLE_STDIN | CONSOLE_STDOUT | CONSOLE_STDERR;
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 978fdd12a2..fd70e623a6 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -903,9 +903,6 @@ static int __init composite_bind(struct usb_gadget *gadget)
 	int				status = -ENOMEM;
 
 	cdev = xzalloc(sizeof *cdev);
-	if (!cdev)
-		return status;
-
 	cdev->gadget = gadget;
 	set_gadget_data(gadget, cdev);
 	INIT_LIST_HEAD(&cdev->configs);
diff --git a/drivers/usb/gadget/fsl_udc.c b/drivers/usb/gadget/fsl_udc.c
index 48fd0b5fb9..20a506489a 100644
--- a/drivers/usb/gadget/fsl_udc.c
+++ b/drivers/usb/gadget/fsl_udc.c
@@ -1016,8 +1016,6 @@ fsl_alloc_request(struct usb_ep *_ep)
 	struct fsl_req *req;
 
 	req = xzalloc(sizeof *req);
-	if (!req)
-		return NULL;
 
 	INIT_LIST_HEAD(&req->queue);
 
@@ -2095,7 +2093,7 @@ static int struct_udc_setup(struct fsl_udc *udc,
 	udc->status_req = container_of(fsl_alloc_request(NULL),
 			struct fsl_req, req);
 	/* allocate a small amount of memory to get valid address */
-	udc->status_req->req.buf = kmalloc(8, GFP_KERNEL);
+	udc->status_req->req.buf = xmalloc(8);
 	udc->resume_state = USB_STATE_NOTATTACHED;
 	udc->usb_state = USB_STATE_POWERED;
 	udc->ep0_dir = 0;
diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
index cb65b19980..d3baed74de 100644
--- a/drivers/usb/gadget/u_serial.c
+++ b/drivers/usb/gadget/u_serial.c
@@ -205,11 +205,7 @@ gs_alloc_req(struct usb_ep *ep, unsigned len)
 
 	if (req != NULL) {
 		req->length = len;
-		req->buf = memalign(32, len);
-		if (req->buf == NULL) {
-			usb_ep_free_request(ep, req);
-			return NULL;
-		}
+		req->buf = xmemalign(32, len);
 	}
 
 	return req;
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 802c548ecb..15f7bfd230 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -919,6 +919,13 @@ static int ehci_probe(struct device_d *dev)
 	host->submit_control_msg = submit_control_msg;
 	host->submit_bulk_msg = submit_bulk_msg;
 
+	if (ehci->flags & EHCI_HAS_TT) {
+		/* Set to host mode */
+		reg = ehci_readl(ehci->hcor + USBMODE);
+		reg |= USBMODE_CM_HC;
+		writel(reg, ehci->hcor + USBMODE);
+	}
+
 	usb_register_host(host);
 
 	reg = HC_VERSION(ehci_readl(&ehci->hccr->cr_capbase));
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index c69308e749..c652622ccc 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -22,7 +22,7 @@ config DRIVER_VIDEO_IMX_IPU
 
 config DRIVER_VIDEO_STM
 	bool "i.MX23/28 framebuffer driver"
-	depends on ARCH_STM
+	depends on ARCH_MXS
 	help
 	  Say 'Y' here to enable framebuffer and splash screen support for
 	  i.MX23 and i.MX28 based systems.
diff --git a/drivers/video/stm.c b/drivers/video/stm.c
index f0abe4c71e..ee2f0268bd 100644
--- a/drivers/video/stm.c
+++ b/drivers/video/stm.c
@@ -48,6 +48,7 @@
 # define CTRL1_FIFO_CLEAR (1 << 21)
 # define SET_BYTE_PACKAGING(x) (((x) & 0xf) << 16)
 # define GET_BYTE_PACKAGING(x) (((x) >> 16) & 0xf)
+# define CTRL1_RESET (1 << 0)
 
 #ifdef CONFIG_ARCH_IMX28
 # define HW_LCDIF_CTRL2 0x20
@@ -142,7 +143,7 @@ struct imxfb_info {
 	unsigned memory_size;
 	struct fb_info info;
 	struct device_d *hw_dev;
-	struct imx_fb_videomode *pdata;
+	struct imx_fb_platformdata *pdata;
 };
 
 /* the RGB565 true colour mode */
@@ -209,24 +210,6 @@ static inline unsigned calc_line_length(unsigned ppl, unsigned bpp)
 	return (ppl * bpp) >> 3;
 }
 
-static int stmfb_memory_mmgt(struct fb_info *fb_info, unsigned size)
-{
-	struct imxfb_info *fbi = fb_info->priv;
-
-	if (fbi->memory_size != 0) {
-		free(fb_info->screen_base);
-		fb_info->screen_base = NULL;
-		fbi->memory_size = 0;
-	}
-
-	if (fbi->memory_size == 0) {
-		fb_info->screen_base = xzalloc(size);
-		fbi->memory_size = size;
-	}
-
-	return 0;
-}
-
 static void stmfb_enable_controller(struct fb_info *fb_info)
 {
 	struct imxfb_info *fbi = fb_info->priv;
@@ -271,8 +254,16 @@ static void stmfb_enable_controller(struct fb_info *fb_info)
 
 	/* stop FIFO reset */
 	writel(CTRL1_FIFO_CLEAR, fbi->base + HW_LCDIF_CTRL1 + BIT_CLR);
+
+	/* enable LCD using LCD_RESET signal*/
+	if (fbi->pdata->flags & USE_LCD_RESET)
+		writel(CTRL1_RESET,  fbi->base + HW_LCDIF_CTRL1 + BIT_SET);
+
 	/* start the engine right now */
 	writel(CTRL_RUN, fbi->base + HW_LCDIF_CTRL + BIT_SET);
+
+	if (fbi->pdata->enable)
+		fbi->pdata->enable(1);
 }
 
 static void stmfb_disable_controller(struct fb_info *fb_info)
@@ -281,6 +272,14 @@ static void stmfb_disable_controller(struct fb_info *fb_info)
 	unsigned loop;
 	uint32_t reg;
 
+
+	/* disable LCD using LCD_RESET signal*/
+	if (fbi->pdata->flags & USE_LCD_RESET)
+		writel(CTRL1_RESET,  fbi->base + HW_LCDIF_CTRL1 + BIT_CLR);
+
+	if (fbi->pdata->enable)
+		fbi->pdata->enable(0);
+
 	/*
 	 * Even if we disable the controller here, it will still continue
 	 * until its FIFOs are running out of data
@@ -305,10 +304,9 @@ static void stmfb_disable_controller(struct fb_info *fb_info)
 static int stmfb_activate_var(struct fb_info *fb_info)
 {
 	struct imxfb_info *fbi = fb_info->priv;
-	struct imx_fb_videomode *pdata = fbi->pdata;
+	struct imx_fb_platformdata *pdata = fbi->pdata;
 	struct fb_videomode *mode = fb_info->mode;
 	uint32_t reg;
-	int ret;
 	unsigned size;
 
 	/*
@@ -317,10 +315,14 @@ static int stmfb_activate_var(struct fb_info *fb_info)
 	size = calc_line_length(mode->xres, fb_info->bits_per_pixel) *
 		mode->yres;
 
-	ret = stmfb_memory_mmgt(fb_info, size);
-	if (ret != 0) {
-		dev_err(fbi->hw_dev, "Cannot allocate framebuffer memory\n");
-		return ret;
+	if (pdata->fixed_screen) {
+		if (pdata->fixed_screen_size < size)
+			return -ENOMEM;
+		fb_info->screen_base = pdata->fixed_screen;
+		fbi->memory_size = pdata->fixed_screen_size;
+	} else {
+		fb_info->screen_base = xrealloc(fb_info->screen_base, size);
+		fbi->memory_size = size;
 	}
 
 	/** @todo ensure HCLK is active at this point of time! */
@@ -451,7 +453,7 @@ static int stmfb_activate_var(struct fb_info *fb_info)
 
 static void stmfb_info(struct device_d *hw_dev)
 {
-	struct imx_fb_videomode *pdata = hw_dev->platform_data;
+	struct imx_fb_platformdata *pdata = hw_dev->platform_data;
 	unsigned u;
 
 	printf(" Supported video modes:\n");
@@ -478,7 +480,7 @@ static struct imxfb_info fbi = {
 
 static int stmfb_probe(struct device_d *hw_dev)
 {
-	struct imx_fb_videomode *pdata = hw_dev->platform_data;
+	struct imx_fb_platformdata *pdata = hw_dev->platform_data;
 	int ret;
 
 	/* just init */
@@ -495,7 +497,10 @@ static int stmfb_probe(struct device_d *hw_dev)
 	fbi.info.mode = &fbi.info.mode_list[0];
 	fbi.info.xres = fbi.info.mode->xres;
 	fbi.info.yres = fbi.info.mode->yres;
-	fbi.info.bits_per_pixel = 16;
+	if (pdata->bits_per_pixel)
+		fbi.info.bits_per_pixel = pdata->bits_per_pixel;
+	else
+		fbi.info.bits_per_pixel = 16;
 
 	ret = register_framebuffer(&fbi.info);
 	if (ret != 0) {
@@ -533,8 +538,8 @@ device_initcall(stmfb_init);
  * (platform specific).
  *
  * For the developer: Don't forget to set the data bus width to the display
- * in the imx_fb_videomode structure. You will else end up with ugly colours.
+ * in the imx_fb_platformdata structure. You will else end up with ugly colours.
  * If you fight against jitter you can vary the clock delay. This is a feature
  * of the i.MX28 and you can vary it between 2 ns ... 8 ns in 2 ns steps. Give
- * the required value in the imx_fb_videomode structure.
+ * the required value in the imx_fb_platformdata structure.
  */
diff --git a/fs/fs.c b/fs/fs.c
index 7d8dea7de6..2f619295a9 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -765,6 +765,7 @@ int mount(const char *device, const char *fsname, const char *_path)
 	}
 	sprintf(fsdev->dev.name, "%s", fsname);
 	fsdev->dev.type_data = fsdev;
+	fsdev->dev.id = get_free_deviceid(fsdev->dev.name);
 
 	if ((ret = register_device(&fsdev->dev))) {
 		free(fsdev);
diff --git a/include/asm-generic/bitsperlong.h b/include/asm-generic/bitsperlong.h
new file mode 100644
index 0000000000..4ae54e07de
--- /dev/null
+++ b/include/asm-generic/bitsperlong.h
@@ -0,0 +1,32 @@
+#ifndef __ASM_GENERIC_BITS_PER_LONG
+#define __ASM_GENERIC_BITS_PER_LONG
+
+/*
+ * There seems to be no way of detecting this automatically from user
+ * space, so 64 bit architectures should override this in their
+ * bitsperlong.h. In particular, an architecture that supports
+ * both 32 and 64 bit user space must not rely on CONFIG_64BIT
+ * to decide it, but rather check a compiler provided macro.
+ */
+#ifndef __BITS_PER_LONG
+#define __BITS_PER_LONG 32
+#endif
+
+#ifdef __KERNEL__
+
+#ifdef CONFIG_64BIT
+#define BITS_PER_LONG 64
+#else
+#define BITS_PER_LONG 32
+#endif /* CONFIG_64BIT */
+
+/*
+ * FIXME: The check currently breaks x86-64 build, so it's
+ * temporarily disabled. Please fix x86-64 and reenable
+ */
+#if 0 && BITS_PER_LONG != __BITS_PER_LONG
+#error Inconsistent word size. Check asm/bitsperlong.h
+#endif
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_GENERIC_BITS_PER_LONG */
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
new file mode 100644
index 0000000000..c5d60a9d75
--- /dev/null
+++ b/include/asm-generic/sections.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_GENERIC_SECTIONS_H_
+#define _ASM_GENERIC_SECTIONS_H_
+
+extern char _text[], _stext[], _etext[];
+extern char __bss_start[], __bss_stop[];
+extern char _end[];
+
+#endif /* _ASM_GENERIC_SECTIONS_H_ */
diff --git a/include/asm-generic/swab.h b/include/asm-generic/swab.h
new file mode 100644
index 0000000000..a8e9029d9e
--- /dev/null
+++ b/include/asm-generic/swab.h
@@ -0,0 +1,18 @@
+#ifndef _ASM_GENERIC_SWAB_H
+#define _ASM_GENERIC_SWAB_H
+
+#include <asm/bitsperlong.h>
+
+/*
+ * 32 bit architectures typically (but not always) want to
+ * set __SWAB_64_THRU_32__. In user space, this is only
+ * valid if the compiler supports 64 bit data types.
+ */
+
+#if __BITS_PER_LONG == 32
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+#define __SWAB_64_THRU_32__
+#endif
+#endif
+
+#endif /* _ASM_GENERIC_SWAB_H */
diff --git a/include/linux/byteorder/big_endian.h b/include/linux/byteorder/big_endian.h
index 19b0c86e43..09fb188bee 100644
--- a/include/linux/byteorder/big_endian.h
+++ b/include/linux/byteorder/big_endian.h
@@ -9,7 +9,7 @@
 #endif
 #define	__BYTE_ORDER	__BIG_ENDIAN
 
-#include <linux/byteorder/swab.h>
+#include <linux/swab.h>
 
 #define __constant_htonl(x) ((__u32)(x))
 #define __constant_ntohl(x) ((__u32)(x))
diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
index a46f3ecc12..5870a6ee07 100644
--- a/include/linux/byteorder/little_endian.h
+++ b/include/linux/byteorder/little_endian.h
@@ -9,7 +9,7 @@
 #endif
 #define	__BYTE_ORDER	__LITTLE_ENDIAN
 
-#include <linux/byteorder/swab.h>
+#include <linux/swab.h>
 
 #define __constant_htonl(x) ___constant_swab32((x))
 #define __constant_ntohl(x) ___constant_swab32((x))
diff --git a/include/linux/byteorder/swab.h b/include/linux/byteorder/swab.h
deleted file mode 100644
index b1d570e528..0000000000
--- a/include/linux/byteorder/swab.h
+++ /dev/null
@@ -1,158 +0,0 @@
-#ifndef _LINUX_BYTEORDER_SWAB_H
-#define _LINUX_BYTEORDER_SWAB_H
-
-/*
- * linux/byteorder/swab.h
- * Byte-swapping, independently from CPU endianness
- *	swabXX[ps]?(foo)
- *
- * Francois-Rene Rideau <fare@tunes.org> 19971205
- *    separated swab functions from cpu_to_XX,
- *    to clean up support for bizarre-endian architectures.
- *
- * See asm-i386/byteorder.h and suches for examples of how to provide
- * architecture-dependent optimized versions
- *
- */
-
-/* casts are necessary for constants, because we never know how for sure
- * how U/UL/ULL map to __u16, __u32, __u64. At least not in a portable way.
- */
-#define ___swab16(x) \
-	((__u16)( \
-		(((__u16)(x) & (__u16)0x00ffU) << 8) | \
-		(((__u16)(x) & (__u16)0xff00U) >> 8) ))
-#define ___swab32(x) \
-	((__u32)( \
-		(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
-		(((__u32)(x) & (__u32)0x0000ff00UL) <<  8) | \
-		(((__u32)(x) & (__u32)0x00ff0000UL) >>  8) | \
-		(((__u32)(x) & (__u32)0xff000000UL) >> 24) ))
-#define ___swab64(x) \
-	((__u64)( \
-		(__u64)(((__u64)(x) & (__u64)0x00000000000000ffULL) << 56) | \
-		(__u64)(((__u64)(x) & (__u64)0x000000000000ff00ULL) << 40) | \
-		(__u64)(((__u64)(x) & (__u64)0x0000000000ff0000ULL) << 24) | \
-		(__u64)(((__u64)(x) & (__u64)0x00000000ff000000ULL) <<  8) | \
-		(__u64)(((__u64)(x) & (__u64)0x000000ff00000000ULL) >>  8) | \
-		(__u64)(((__u64)(x) & (__u64)0x0000ff0000000000ULL) >> 24) | \
-		(__u64)(((__u64)(x) & (__u64)0x00ff000000000000ULL) >> 40) | \
-		(__u64)(((__u64)(x) & (__u64)0xff00000000000000ULL) >> 56) ))
-
-/*
- * provide defaults when no architecture-specific optimization is detected
- */
-#ifndef __arch__swab16
-#  define __arch__swab16(x) ___swab16(x)
-#endif
-#ifndef __arch__swab32
-#  define __arch__swab32(x) ___swab32(x)
-#endif
-#ifndef __arch__swab64
-#  define __arch__swab64(x) ___swab64(x)
-#endif
-
-#ifndef __arch__swab16p
-#  define __arch__swab16p(x) __swab16(*(x))
-#endif
-#ifndef __arch__swab32p
-#  define __arch__swab32p(x) __swab32(*(x))
-#endif
-#ifndef __arch__swab64p
-#  define __arch__swab64p(x) __swab64(*(x))
-#endif
-
-#ifndef __arch__swab16s
-#  define __arch__swab16s(x) do { *(x) = __swab16p((x)); } while (0)
-#endif
-#ifndef __arch__swab32s
-#  define __arch__swab32s(x) do { *(x) = __swab32p((x)); } while (0)
-#endif
-#ifndef __arch__swab64s
-#  define __arch__swab64s(x) do { *(x) = __swab64p((x)); } while (0)
-#endif
-
-
-/*
- * Allow constant folding
- */
-#if defined(__GNUC__) && (__GNUC__ >= 2) && defined(__OPTIMIZE__)
-#  define __swab16(x) \
-(__builtin_constant_p((__u16)(x)) ? \
- ___swab16((x)) : \
- __fswab16((x)))
-#  define __swab32(x) \
-(__builtin_constant_p((__u32)(x)) ? \
- ___swab32((x)) : \
- __fswab32((x)))
-#  define __swab64(x) \
-(__builtin_constant_p((__u64)(x)) ? \
- ___swab64((x)) : \
- __fswab64((x)))
-#else
-#  define __swab16(x) __fswab16(x)
-#  define __swab32(x) __fswab32(x)
-#  define __swab64(x) __fswab64(x)
-#endif /* OPTIMIZE */
-
-
-static __inline__ __attribute__((const)) __u16 __fswab16(__u16 x)
-{
-	return __arch__swab16(x);
-}
-static __inline__ __u16 __swab16p(__u16 *x)
-{
-	return __arch__swab16p(x);
-}
-static __inline__ void __swab16s(__u16 *addr)
-{
-	__arch__swab16s(addr);
-}
-
-static __inline__ __attribute__((const)) __u32 __fswab32(__u32 x)
-{
-	return __arch__swab32(x);
-}
-static __inline__ __u32 __swab32p(__u32 *x)
-{
-	return __arch__swab32p(x);
-}
-static __inline__ void __swab32s(__u32 *addr)
-{
-	__arch__swab32s(addr);
-}
-
-#ifdef __BYTEORDER_HAS_U64__
-static __inline__ __attribute__((const)) __u64 __fswab64(__u64 x)
-{
-#  ifdef __SWAB_64_THRU_32__
-	__u32 h = x >> 32;
-	__u32 l = x & ((1ULL<<32)-1);
-	return (((__u64)__swab32(l)) << 32) | ((__u64)(__swab32(h)));
-#  else
-	return __arch__swab64(x);
-#  endif
-}
-static __inline__ __u64 __swab64p(__u64 *x)
-{
-	return __arch__swab64p(x);
-}
-static __inline__ void __swab64s(__u64 *addr)
-{
-	__arch__swab64s(addr);
-}
-#endif /* __BYTEORDER_HAS_U64__ */
-
-#if defined(__KERNEL__)
-#define swab16 __swab16
-#define swab32 __swab32
-#define swab64 __swab64
-#define swab16p __swab16p
-#define swab32p __swab32p
-#define swab64p __swab64p
-#define swab16s __swab16s
-#define swab32s __swab32s
-#define swab64s __swab64s
-#endif
-
-#endif /* _LINUX_BYTEORDER_SWAB_H */
diff --git a/include/linux/swab.h b/include/linux/swab.h
new file mode 100644
index 0000000000..ea0c02fd51
--- /dev/null
+++ b/include/linux/swab.h
@@ -0,0 +1,299 @@
+#ifndef _LINUX_SWAB_H
+#define _LINUX_SWAB_H
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+#include <asm/swab.h>
+
+/*
+ * casts are necessary for constants, because we never know how for sure
+ * how U/UL/ULL map to __u16, __u32, __u64. At least not in a portable way.
+ */
+#define ___constant_swab16(x) ((__u16)(				\
+	(((__u16)(x) & (__u16)0x00ffU) << 8) |			\
+	(((__u16)(x) & (__u16)0xff00U) >> 8)))
+
+#define ___constant_swab32(x) ((__u32)(				\
+	(((__u32)(x) & (__u32)0x000000ffUL) << 24) |		\
+	(((__u32)(x) & (__u32)0x0000ff00UL) <<  8) |		\
+	(((__u32)(x) & (__u32)0x00ff0000UL) >>  8) |		\
+	(((__u32)(x) & (__u32)0xff000000UL) >> 24)))
+
+#define ___constant_swab64(x) ((__u64)(				\
+	(((__u64)(x) & (__u64)0x00000000000000ffULL) << 56) |	\
+	(((__u64)(x) & (__u64)0x000000000000ff00ULL) << 40) |	\
+	(((__u64)(x) & (__u64)0x0000000000ff0000ULL) << 24) |	\
+	(((__u64)(x) & (__u64)0x00000000ff000000ULL) <<  8) |	\
+	(((__u64)(x) & (__u64)0x000000ff00000000ULL) >>  8) |	\
+	(((__u64)(x) & (__u64)0x0000ff0000000000ULL) >> 24) |	\
+	(((__u64)(x) & (__u64)0x00ff000000000000ULL) >> 40) |	\
+	(((__u64)(x) & (__u64)0xff00000000000000ULL) >> 56)))
+
+#define ___constant_swahw32(x) ((__u32)(			\
+	(((__u32)(x) & (__u32)0x0000ffffUL) << 16) |		\
+	(((__u32)(x) & (__u32)0xffff0000UL) >> 16)))
+
+#define ___constant_swahb32(x) ((__u32)(			\
+	(((__u32)(x) & (__u32)0x00ff00ffUL) << 8) |		\
+	(((__u32)(x) & (__u32)0xff00ff00UL) >> 8)))
+
+/*
+ * Implement the following as inlines, but define the interface using
+ * macros to allow constant folding when possible:
+ * ___swab16, ___swab32, ___swab64, ___swahw32, ___swahb32
+ */
+
+static inline __attribute_const__ __u16 __fswab16(__u16 val)
+{
+#ifdef __arch_swab16
+	return __arch_swab16(val);
+#else
+	return ___constant_swab16(val);
+#endif
+}
+
+static inline __attribute_const__ __u32 __fswab32(__u32 val)
+{
+#ifdef __arch_swab32
+	return __arch_swab32(val);
+#else
+	return ___constant_swab32(val);
+#endif
+}
+
+static inline __attribute_const__ __u64 __fswab64(__u64 val)
+{
+#ifdef __arch_swab64
+	return __arch_swab64(val);
+#elif defined(__SWAB_64_THRU_32__)
+	__u32 h = val >> 32;
+	__u32 l = val & ((1ULL << 32) - 1);
+	return (((__u64)__fswab32(l)) << 32) | ((__u64)(__fswab32(h)));
+#else
+	return ___constant_swab64(val);
+#endif
+}
+
+static inline __attribute_const__ __u32 __fswahw32(__u32 val)
+{
+#ifdef __arch_swahw32
+	return __arch_swahw32(val);
+#else
+	return ___constant_swahw32(val);
+#endif
+}
+
+static inline __attribute_const__ __u32 __fswahb32(__u32 val)
+{
+#ifdef __arch_swahb32
+	return __arch_swahb32(val);
+#else
+	return ___constant_swahb32(val);
+#endif
+}
+
+/**
+ * __swab16 - return a byteswapped 16-bit value
+ * @x: value to byteswap
+ */
+#define __swab16(x)				\
+	(__builtin_constant_p((__u16)(x)) ?	\
+	___constant_swab16(x) :			\
+	__fswab16(x))
+
+/**
+ * __swab32 - return a byteswapped 32-bit value
+ * @x: value to byteswap
+ */
+#define __swab32(x)				\
+	(__builtin_constant_p((__u32)(x)) ?	\
+	___constant_swab32(x) :			\
+	__fswab32(x))
+
+/**
+ * __swab64 - return a byteswapped 64-bit value
+ * @x: value to byteswap
+ */
+#define __swab64(x)				\
+	(__builtin_constant_p((__u64)(x)) ?	\
+	___constant_swab64(x) :			\
+	__fswab64(x))
+
+/**
+ * __swahw32 - return a word-swapped 32-bit value
+ * @x: value to wordswap
+ *
+ * __swahw32(0x12340000) is 0x00001234
+ */
+#define __swahw32(x)				\
+	(__builtin_constant_p((__u32)(x)) ?	\
+	___constant_swahw32(x) :		\
+	__fswahw32(x))
+
+/**
+ * __swahb32 - return a high and low byte-swapped 32-bit value
+ * @x: value to byteswap
+ *
+ * __swahb32(0x12345678) is 0x34127856
+ */
+#define __swahb32(x)				\
+	(__builtin_constant_p((__u32)(x)) ?	\
+	___constant_swahb32(x) :		\
+	__fswahb32(x))
+
+/**
+ * __swab16p - return a byteswapped 16-bit value from a pointer
+ * @p: pointer to a naturally-aligned 16-bit value
+ */
+static inline __u16 __swab16p(const __u16 *p)
+{
+#ifdef __arch_swab16p
+	return __arch_swab16p(p);
+#else
+	return __swab16(*p);
+#endif
+}
+
+/**
+ * __swab32p - return a byteswapped 32-bit value from a pointer
+ * @p: pointer to a naturally-aligned 32-bit value
+ */
+static inline __u32 __swab32p(const __u32 *p)
+{
+#ifdef __arch_swab32p
+	return __arch_swab32p(p);
+#else
+	return __swab32(*p);
+#endif
+}
+
+/**
+ * __swab64p - return a byteswapped 64-bit value from a pointer
+ * @p: pointer to a naturally-aligned 64-bit value
+ */
+static inline __u64 __swab64p(const __u64 *p)
+{
+#ifdef __arch_swab64p
+	return __arch_swab64p(p);
+#else
+	return __swab64(*p);
+#endif
+}
+
+/**
+ * __swahw32p - return a wordswapped 32-bit value from a pointer
+ * @p: pointer to a naturally-aligned 32-bit value
+ *
+ * See __swahw32() for details of wordswapping.
+ */
+static inline __u32 __swahw32p(const __u32 *p)
+{
+#ifdef __arch_swahw32p
+	return __arch_swahw32p(p);
+#else
+	return __swahw32(*p);
+#endif
+}
+
+/**
+ * __swahb32p - return a high and low byteswapped 32-bit value from a pointer
+ * @p: pointer to a naturally-aligned 32-bit value
+ *
+ * See __swahb32() for details of high/low byteswapping.
+ */
+static inline __u32 __swahb32p(const __u32 *p)
+{
+#ifdef __arch_swahb32p
+	return __arch_swahb32p(p);
+#else
+	return __swahb32(*p);
+#endif
+}
+
+/**
+ * __swab16s - byteswap a 16-bit value in-place
+ * @p: pointer to a naturally-aligned 16-bit value
+ */
+static inline void __swab16s(__u16 *p)
+{
+#ifdef __arch_swab16s
+	__arch_swab16s(p);
+#else
+	*p = __swab16p(p);
+#endif
+}
+/**
+ * __swab32s - byteswap a 32-bit value in-place
+ * @p: pointer to a naturally-aligned 32-bit value
+ */
+static inline void __swab32s(__u32 *p)
+{
+#ifdef __arch_swab32s
+	__arch_swab32s(p);
+#else
+	*p = __swab32p(p);
+#endif
+}
+
+/**
+ * __swab64s - byteswap a 64-bit value in-place
+ * @p: pointer to a naturally-aligned 64-bit value
+ */
+static inline void __swab64s(__u64 *p)
+{
+#ifdef __arch_swab64s
+	__arch_swab64s(p);
+#else
+	*p = __swab64p(p);
+#endif
+}
+
+/**
+ * __swahw32s - wordswap a 32-bit value in-place
+ * @p: pointer to a naturally-aligned 32-bit value
+ *
+ * See __swahw32() for details of wordswapping
+ */
+static inline void __swahw32s(__u32 *p)
+{
+#ifdef __arch_swahw32s
+	__arch_swahw32s(p);
+#else
+	*p = __swahw32p(p);
+#endif
+}
+
+/**
+ * __swahb32s - high and low byteswap a 32-bit value in-place
+ * @p: pointer to a naturally-aligned 32-bit value
+ *
+ * See __swahb32() for details of high and low byte swapping
+ */
+static inline void __swahb32s(__u32 *p)
+{
+#ifdef __arch_swahb32s
+	__arch_swahb32s(p);
+#else
+	*p = __swahb32p(p);
+#endif
+}
+
+#ifdef __KERNEL__
+# define swab16 __swab16
+# define swab32 __swab32
+# define swab64 __swab64
+# define swahw32 __swahw32
+# define swahb32 __swahb32
+# define swab16p __swab16p
+# define swab32p __swab32p
+# define swab64p __swab64p
+# define swahw32p __swahw32p
+# define swahb32p __swahb32p
+# define swab16s __swab16s
+# define swab32s __swab32s
+# define swab64s __swab64s
+# define swahw32s __swahw32s
+# define swahb32s __swahb32s
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_SWAB_H */
diff --git a/include/net.h b/include/net.h
index 2d28fee7da..33d8a32f83 100644
--- a/include/net.h
+++ b/include/net.h
@@ -392,7 +392,7 @@ struct net_connection {
 
 static inline char *net_alloc_packet(void)
 {
-	return memalign(32, PKTSIZE);
+	return xmemalign(32, PKTSIZE);
 }
 
 struct net_connection *net_udp_new(IPaddr_t dest, uint16_t dport,
diff --git a/include/reloc.h b/include/reloc.h
index 22cb886ccf..cc998665b5 100644
--- a/include/reloc.h
+++ b/include/reloc.h
@@ -1,7 +1,7 @@
 #ifndef __RELOC_H
 #define __RELOC_H
 
-extern unsigned long _barebox_start, _bss_start, _bss_end, _text_base;
+extern unsigned long _text_base;
 
 #ifdef CONFIG_HAS_EARLY_INIT
 
diff --git a/include/xfuncs.h b/include/xfuncs.h
index 222ea416c7..261aaa5c14 100644
--- a/include/xfuncs.h
+++ b/include/xfuncs.h
@@ -7,5 +7,6 @@ void *xmalloc(size_t size);
 void *xrealloc(void *ptr, size_t size);
 void *xzalloc(size_t size);
 char *xstrdup(const char *s);
+void* xmemalign(size_t alignment, size_t bytes);
 
 #endif /* __XFUNCS_H */
diff --git a/lib/decompress_unlzo.c b/lib/decompress_unlzo.c
index 8f9cdcf27b..fc5c49f455 100644
--- a/lib/decompress_unlzo.c
+++ b/lib/decompress_unlzo.c
@@ -47,98 +47,73 @@ static const unsigned char lzop_magic[] = {
 #define LZO_BLOCK_SIZE        (256*1024l)
 #define HEADER_HAS_FILTER      0x00000800L
 
-static inline int parse_header(int in_fd)
+static inline int parse_header(u8 *input, u8 *skip)
 {
-	u8 l;
+	int l;
+	u8 *parse = input;
+	u8 level = 0;
 	u16 version;
-	int ret;
-	unsigned char buf[256]; /* maximum filename length + 1 */
 
-	/* read magic (9), library version (2), 'need to be extracted'
-	 * version (2) and method (1)
-	 */
-	ret = read(in_fd, buf, 9);
-	if (ret < 0)
-		return ret;
-
-	/* check magic */
+	/* read magic: 9 first bits */
 	for (l = 0; l < 9; l++) {
-		if (buf[l] != lzop_magic[l])
-			return -EINVAL;
+		if (*parse++ != lzop_magic[l])
+			return 0;
 	}
-
-	ret = read(in_fd, buf, 4); /* version, lib_version */
-	if (ret < 0)
-		return ret;
-	version = get_unaligned_be16(buf);
-
-	if (version >= 0x0940) {
-		ret = read(in_fd, buf, 2); /* version to extract */
-		if (ret < 0)
-			return ret;
-	}
-
-	ret = read(in_fd, buf, 1); /* method */
-	if (ret < 0)
-		return ret;
-
+	/* get version (2bytes), skip library version (2),
+	 * 'need to be extracted' version (2) and
+	 * method (1) */
+	version = get_unaligned_be16(parse);
+	parse += 7;
 	if (version >= 0x0940)
-		read(in_fd, buf, 1); /* level */
-
-	ret = read(in_fd, buf, 4); /* flags */
-	if (ret < 0)
-		return ret;
-
-	if (get_unaligned_be32(buf) & HEADER_HAS_FILTER) {
-		ret = read(in_fd, buf, 4); /* skip filter info */
-		if (ret < 0)
-			return ret;
-	}
+		level = *parse++;
+	if (get_unaligned_be32(parse) & HEADER_HAS_FILTER)
+		parse += 8; /* flags + filter info */
+	else
+		parse += 4; /* flags */
 
 	/* skip mode and mtime_low */
-	ret = read(in_fd, buf, 8);
-	if (ret < 0)
-		return ret;
-
-	if (version >= 0x0940) {
-		ret = read(in_fd, buf, 4); /* skip mtime_high */
-		if (ret < 0)
-			return ret;
-	}
+	parse += 8;
+	if (version >= 0x0940)
+		parse += 4;	/* skip mtime_high */
 
-	ret = read(in_fd, &l, 1);
-	if (ret < 0)
-		return ret;
+	l = *parse++;
 	/* don't care about the file name, and skip checksum */
-	ret = read(in_fd, buf, l + 4);
-	if (ret < 0)
-		return ret;
+	parse += l + 4;
 
-	return 0;
+	*skip = parse - input;
+	return 1;
 }
 
-int unlzo(int in_fd, int out_fd, int *dest_len)
+static int __unlzo(int *dest_len,
+			int (*fill) (void *, unsigned int),
+			int (*flush) (void *, unsigned int))
 {
-	u8 r = 0;
+	u8 skip = 0, r = 0;
 	u32 src_len, dst_len;
 	size_t tmp;
-	u8 *in_buf, *out_buf;
+	u8 *in_buf, *in_buf_save, *out_buf, *out_buf_save;
 	int obytes_processed = 0;
-	unsigned char buf[8];
-	int ret;
-
-	if (parse_header(in_fd))
-		return -EINVAL;
+	int ret = -1;
 
 	out_buf = xmalloc(LZO_BLOCK_SIZE);
 	in_buf = xmalloc(lzo1x_worst_compress(LZO_BLOCK_SIZE));
 
+	in_buf_save = in_buf;
+	out_buf_save = out_buf;
+
+	ret = fill(in_buf, lzo1x_worst_compress(LZO_BLOCK_SIZE));
+	if (ret < 0)
+		goto exit_free;
+
+	if (!parse_header(in_buf, &skip))
+		return -EINVAL;
+
+	in_buf += skip;
+
 	for (;;) {
 		/* read uncompressed block size */
-		ret = read(in_fd, buf, 4);
-		if (ret < 0)
-			goto exit_free;
-		dst_len = get_unaligned_be32(buf);
+		dst_len = get_unaligned_be32(in_buf);
+		in_buf += 4;
 
 		/* exit if last block */
 		if (dst_len == 0)
@@ -150,43 +125,53 @@ int unlzo(int in_fd, int out_fd, int *dest_len)
 		}
 
 		/* read compressed block size, and skip block checksum info */
-		ret = read(in_fd, buf, 8);
-		if (ret < 0)
-			goto exit_free;
-
-		src_len = get_unaligned_be32(buf);
+		src_len = get_unaligned_be32(in_buf);
+		in_buf += 8;
 
 		if (src_len <= 0 || src_len > dst_len) {
 			printf("file corrupted");
 			goto exit_free;
 		}
-		ret = read(in_fd, in_buf, src_len);
-		if (ret < 0)
-			goto exit_free;
 
 		/* decompress */
 		tmp = dst_len;
-		if (src_len < dst_len) {
-			r = lzo1x_decompress_safe((u8 *) in_buf, src_len,
-						out_buf, &tmp);
-			if (r != LZO_E_OK || dst_len != tmp) {
+
+		/* When the input data is not compressed at all,
+		 * lzo1x_decompress_safe will fail, so call memcpy()
+		 * instead */
+		if (unlikely(dst_len == src_len)) {
+			if (src_len != dst_len) {
 				printf("Compressed data violation");
 				goto exit_free;
 			}
-			ret = write(out_fd, out_buf, dst_len);
-			if (ret < 0)
-				goto exit_free;
+			out_buf = in_buf;
 		} else {
-			if (src_len != dst_len) {
+			r = lzo1x_decompress_safe((u8 *) in_buf, src_len,
+						out_buf, &tmp);
+
+			if (r != LZO_E_OK || dst_len != tmp) {
 				printf("Compressed data violation");
 				goto exit_free;
 			}
-			ret = write(out_fd, in_buf, dst_len);
-			if (ret < 0)
-				goto exit_free;
 		}
 
+		ret = flush(out_buf, dst_len);
+		if (ret < 0)
+			goto exit_free;
+
+		out_buf = in_buf + src_len;
+		in_buf = in_buf_save;
+		ret = fill(in_buf, lzo1x_worst_compress(LZO_BLOCK_SIZE));
+		if (ret < 0)
+			goto exit_free;
+
+		if (ret == 0)
+			in_buf = out_buf;
+
+		out_buf = out_buf_save;
+
 		obytes_processed += dst_len;
+
 	}
 
 exit_free:
@@ -197,3 +182,22 @@ exit_free:
 	return 0;
 }
 
+static int in_fd;
+static int out_fd;
+
+static int unlzo_fill(void *buf, unsigned int len)
+{
+	return read(in_fd, buf, len);
+}
+
+static int unlzo_flush(void *buf, unsigned int len)
+{
+	return write(out_fd, buf, len);
+}
+
+int unlzo(int _in_fd, int _out_fd, int *dest_len)
+{
+	in_fd = _in_fd;
+	out_fd = _out_fd;
+	return __unlzo(dest_len, unlzo_fill, unlzo_flush);
+}
diff --git a/lib/xfuncs.c b/lib/xfuncs.c
index 01a64cf5eb..71394fff29 100644
--- a/lib/xfuncs.c
+++ b/lib/xfuncs.c
@@ -70,3 +70,11 @@ char *xstrdup(const char *s)
 }
 EXPORT_SYMBOL(xstrdup);
 
+void* xmemalign(size_t alignment, size_t bytes)
+{
+	void *p = memalign(alignment, bytes);
+	if (!p)
+		panic("ERROR: out of memory\n");
+	return p;
+}
+EXPORT_SYMBOL(xmemalign);
diff --git a/net/net.c b/net/net.c
index 9b4ab8904c..7495357141 100644
--- a/net/net.c
+++ b/net/net.c
@@ -365,7 +365,7 @@ static struct net_connection *net_new(IPaddr_t dest, rx_handler_f *handler)
 		return ERR_PTR(-ENETDOWN);
 
 	con = xzalloc(sizeof(*con));
-	con->packet = memalign(32, PKTSIZE);
+	con->packet = xmemalign(32, PKTSIZE);
 	memset(con->packet, 0, PKTSIZE);
 
 	con->et = (struct ethernet *)con->packet;
@@ -658,7 +658,7 @@ static int net_init(void)
 	int i;
 
 	for (i = 0; i < PKTBUFSRX; i++)
-		NetRxPackets[i] =  memalign(32, PKTSIZE);
+		NetRxPackets[i] =  xmemalign(32, PKTSIZE);
 
 	return 0;
 }
diff --git a/scripts/basic/docproc.c b/scripts/basic/docproc.c
index 0d4f5e7d74..9f6535d18f 100644
--- a/scripts/basic/docproc.c
+++ b/scripts/basic/docproc.c
@@ -122,8 +122,11 @@ int symfilecnt = 0;
 
 void add_new_symbol(struct symfile *sym, char * symname)
 {
-	sym->symbollist =
-          realloc(sym->symbollist, (sym->symbolcnt + 1) * sizeof(char *));
+	sym->symbollist = realloc(sym->symbollist, (sym->symbolcnt + 1) * sizeof(char *));
+	if (!sym->symbollist) {
+		fprintf(stderr, "docproc: out of memory\n");
+		exit(1);
+	}
 	sym->symbollist[sym->symbolcnt++].name = strdup(symname);
 }
 
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index de934def41..368ae306ae 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -8,7 +8,7 @@ PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-c
 ifdef KBUILD_KCONFIG
 Kconfig := $(KBUILD_KCONFIG)
 else
-Kconfig := arch/$(SRCARCH)/Kconfig
+Kconfig := Kconfig
 endif
 
 xconfig: $(obj)/qconf
@@ -145,11 +145,8 @@ check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
 
 # Use recursively expanded variables so we do not call gcc unless
 # we really need to do so. (Do not call gcc as part of make mrproper)
-HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
-HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
-
-HOST_EXTRACFLAGS += -DLOCALE
-
+HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
+                    -DLOCALE
 
 # ===========================================================================
 # Shared Makefile for the various kconfig executables:
@@ -208,7 +205,7 @@ clean-files     += config.pot linux.pot
 PHONY += $(obj)/dochecklxdialog
 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
 $(obj)/dochecklxdialog:
-	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
+	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
 
 always := dochecklxdialog
 
@@ -226,6 +223,8 @@ HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0` -ldl
 HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
                           -D LKC_DIRECT_LINK
 
+HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
+
 HOSTLOADLIBES_nconf	= -lmenu -lpanel -lncurses
 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 
@@ -236,40 +235,48 @@ $(obj)/.tmp_qtcheck: $(src)/Makefile
 # QT needs some extra effort...
 $(obj)/.tmp_qtcheck:
 	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
-	pkg-config --exists qt 2> /dev/null && pkg=qt; \
-	pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
-	if [ -n "$$pkg" ]; then \
-	  cflags="\$$(shell pkg-config $$pkg --cflags)"; \
-	  libs="\$$(shell pkg-config $$pkg --libs)"; \
-	  moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
-	  dir="$$(pkg-config $$pkg --variable=prefix)"; \
+	if ! pkg-config --exists QtCore 2> /dev/null; then \
+	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
+	    pkg-config --exists qt 2> /dev/null && pkg=qt; \
+	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
+	    if [ -n "$$pkg" ]; then \
+	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \
+	      libs="\$$(shell pkg-config $$pkg --libs)"; \
+	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
+	      dir="$$(pkg-config $$pkg --variable=prefix)"; \
+	    else \
+	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
+	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
+	      done; \
+	      if [ -z "$$dir" ]; then \
+	        echo "*"; \
+	        echo "* Unable to find any QT installation. Please make sure that"; \
+	        echo "* the QT4 or QT3 development package is correctly installed and"; \
+	        echo "* either qmake can be found or install pkg-config or set"; \
+	        echo "* the QTDIR environment variable to the correct location."; \
+	        echo "*"; \
+	        false; \
+	      fi; \
+	      libpath=$$dir/lib; lib=qt; osdir=""; \
+	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
+	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
+	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
+	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \
+	      cflags="-I$$dir/include"; \
+	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
+	      moc="$$dir/bin/moc"; \
+	    fi; \
+	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
+	      echo "*"; \
+	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
+	      echo "*"; \
+	      moc="/usr/bin/moc"; \
+	    fi; \
 	else \
-	  for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
-	    if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
-	  done; \
-	  if [ -z "$$dir" ]; then \
-	    echo "*"; \
-	    echo "* Unable to find the QT3 installation. Please make sure that"; \
-	    echo "* the QT3 development package is correctly installed and"; \
-	    echo "* either install pkg-config or set the QTDIR environment"; \
-	    echo "* variable to the correct location."; \
-	    echo "*"; \
-	    false; \
-	  fi; \
-	  libpath=$$dir/lib; lib=qt; osdir=""; \
-	  $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
-	    osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
-	  test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
-	  test -f $$libpath/libqt-mt.so && lib=qt-mt; \
-	  cflags="-I$$dir/include"; \
-	  libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
-	  moc="$$dir/bin/moc"; \
-	fi; \
-	if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
-	  echo "*"; \
-	  echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
-	  echo "*"; \
-	  moc="/usr/bin/moc"; \
+	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
+	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
+	  binpath="\$$(shell pkg-config QtCore --variable=prefix)"; \
+	  moc="$$binpath/bin/moc"; \
 	fi; \
 	echo "KC_QT_CFLAGS=$$cflags" > $@; \
 	echo "KC_QT_LIBS=$$libs" >> $@; \
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 9a5399b6b6..659326c3e8 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -425,9 +425,9 @@ static void check_conf(struct menu *menu)
 		    (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
 			if (input_mode == listnewconfig) {
 				if (sym->name && !sym_is_choice_value(sym)) {
-					printf("CONFIG_%s\n", sym->name);
+					printf("%s%s\n", CONFIG_, sym->name);
 				}
-			} else {
+			} else if (input_mode != oldnoconfig) {
 				if (!conf_cnt++)
 					printf(_("*\n* Restart config...\n*\n"));
 				rootEntry = menu_get_parent_menu(menu);
@@ -466,7 +466,7 @@ int main(int ac, char **av)
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
 
-	while ((opt = getopt_long_only(ac, av, "", long_opts, NULL)) != -1) {
+	while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {
 		input_mode = (enum input_mode)opt;
 		switch (opt) {
 		case silentoldconfig:
@@ -508,8 +508,7 @@ int main(int ac, char **av)
 		name = conf_get_configname();
 		if (stat(name, &tmpstat)) {
 			fprintf(stderr, _("***\n"
-				"*** You have not yet configured your barebox!\n"
-				"*** (missing barebox config file \"%s\")\n"
+				"*** Configuration file \"%s\" not found!\n"
 				"***\n"
 				"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
 				"*** \"make menuconfig\" or \"make xconfig\").\n"
@@ -530,8 +529,6 @@ int main(int ac, char **av)
 		}
 		break;
 	case savedefconfig:
-		conf_read(NULL);
-		break;
 	case silentoldconfig:
 	case oldaskconfig:
 	case oldconfig:
@@ -571,7 +568,7 @@ int main(int ac, char **av)
 			name = getenv("KCONFIG_NOSILENTUPDATE");
 			if (name && *name) {
 				fprintf(stderr,
-					_("\n*** Barebox configuration requires explicit update.\n\n"));
+					_("\n*** The configuration requires explicit update.\n\n"));
 				return 1;
 			}
 		}
@@ -623,11 +620,11 @@ int main(int ac, char **av)
 		 * All other commands are only used to generate a config.
 		 */
 		if (conf_get_changed() && conf_write(NULL)) {
-			fprintf(stderr, _("\n*** Error during writing of the barebox configuration.\n\n"));
+			fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
 			exit(1);
 		}
 		if (conf_write_autoconf()) {
-			fprintf(stderr, _("\n*** Error during update of the barebox configuration.\n\n"));
+			fprintf(stderr, _("\n*** Error during update of the configuration.\n\n"));
 			return 1;
 		}
 	} else if (input_mode == savedefconfig) {
@@ -638,7 +635,7 @@ int main(int ac, char **av)
 		}
 	} else if (input_mode != listnewconfig) {
 		if (conf_write(NULL)) {
-			fprintf(stderr, _("\n*** Error during writing of the barebox configuration.\n\n"));
+			fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
 			exit(1);
 		}
 	}
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 73afcbafd3..61c35bf2d9 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -5,6 +5,7 @@
 
 #include <sys/stat.h>
 #include <ctype.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -18,6 +19,9 @@
 static void conf_warning(const char *fmt, ...)
 	__attribute__ ((format (printf, 1, 2)));
 
+static void conf_message(const char *fmt, ...)
+	__attribute__ ((format (printf, 1, 2)));
+
 static const char *conf_filename;
 static int conf_lineno, conf_warnings, conf_unsaved;
 
@@ -34,6 +38,29 @@ static void conf_warning(const char *fmt, ...)
 	conf_warnings++;
 }
 
+static void conf_default_message_callback(const char *fmt, va_list ap)
+{
+	printf("#\n# ");
+	vprintf(fmt, ap);
+	printf("\n#\n");
+}
+
+static void (*conf_message_callback) (const char *fmt, va_list ap) =
+	conf_default_message_callback;
+void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
+{
+	conf_message_callback = fn;
+}
+
+static void conf_message(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	if (conf_message_callback)
+		conf_message_callback(fmt, ap);
+}
+
 const char *conf_get_configname(void)
 {
 	char *name = getenv("KCONFIG_CONFIG");
@@ -183,9 +210,8 @@ int conf_read_simple(const char *name, int def)
 			name = conf_expand_value(prop->expr->left.sym->name);
 			in = zconf_fopen(name);
 			if (in) {
-				printf(_("#\n"
-					 "# using defaults found in %s\n"
-					 "#\n"), name);
+				conf_message(_("using defaults found in %s"),
+					 name);
 				goto load;
 			}
 		}
@@ -220,24 +246,23 @@ load:
 	while (fgets(line, sizeof(line), in)) {
 		conf_lineno++;
 		sym = NULL;
-		switch (line[0]) {
-		case '#':
-			if (memcmp(line + 2, "CONFIG_", 7))
+		if (line[0] == '#') {
+			if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
 				continue;
-			p = strchr(line + 9, ' ');
+			p = strchr(line + 2 + strlen(CONFIG_), ' ');
 			if (!p)
 				continue;
 			*p++ = 0;
 			if (strncmp(p, "is not set", 10))
 				continue;
 			if (def == S_DEF_USER) {
-				sym = sym_find(line + 9);
+				sym = sym_find(line + 2 + strlen(CONFIG_));
 				if (!sym) {
 					sym_add_change_count(1);
-					break;
+					goto setsym;
 				}
 			} else {
-				sym = sym_lookup(line + 9, 0);
+				sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
 				if (sym->type == S_UNKNOWN)
 					sym->type = S_BOOLEAN;
 			}
@@ -253,13 +278,8 @@ load:
 			default:
 				;
 			}
-			break;
-		case 'C':
-			if (memcmp(line, "CONFIG_", 7)) {
-				conf_warning("unexpected data");
-				continue;
-			}
-			p = strchr(line + 7, '=');
+		} else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
+			p = strchr(line + strlen(CONFIG_), '=');
 			if (!p)
 				continue;
 			*p++ = 0;
@@ -270,13 +290,13 @@ load:
 					*p2 = 0;
 			}
 			if (def == S_DEF_USER) {
-				sym = sym_find(line + 7);
+				sym = sym_find(line + strlen(CONFIG_));
 				if (!sym) {
 					sym_add_change_count(1);
-					break;
+					goto setsym;
 				}
 			} else {
-				sym = sym_lookup(line + 7, 0);
+				sym = sym_lookup(line + strlen(CONFIG_), 0);
 				if (sym->type == S_UNKNOWN)
 					sym->type = S_OTHER;
 			}
@@ -285,14 +305,12 @@ load:
 			}
 			if (conf_set_sym_val(sym, def, def_flags, p))
 				continue;
-			break;
-		case '\r':
-		case '\n':
-			break;
-		default:
-			conf_warning("unexpected data");
+		} else {
+			if (line[0] != '\r' && line[0] != '\n')
+				conf_warning("unexpected data");
 			continue;
 		}
+setsym:
 		if (sym && sym_is_choice_value(sym)) {
 			struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
 			switch (sym->def[def].tri) {
@@ -405,9 +423,9 @@ static void conf_write_string(bool headerfile, const char *name,
 {
 	int l;
 	if (headerfile)
-		fprintf(out, "#define CONFIG_%s \"", name);
+		fprintf(out, "#define %s%s \"", CONFIG_, name);
 	else
-		fprintf(out, "CONFIG_%s=\"", name);
+		fprintf(out, "%s%s=\"", CONFIG_, name);
 
 	while (1) {
 		l = strcspn(str, "\"\\");
@@ -422,24 +440,24 @@ static void conf_write_string(bool headerfile, const char *name,
 	fputs("\"\n", out);
 }
 
-static void conf_write_symbol(struct symbol *sym, enum symbol_type type,
-                              FILE *out, bool write_no)
+static void conf_write_symbol(struct symbol *sym, FILE *out, bool write_no)
 {
 	const char *str;
 
-	switch (type) {
+	switch (sym->type) {
 	case S_BOOLEAN:
 	case S_TRISTATE:
 		switch (sym_get_tristate_value(sym)) {
 		case no:
 			if (write_no)
-				fprintf(out, "# CONFIG_%s is not set\n", sym->name);
+				fprintf(out, "# %s%s is not set\n",
+				    CONFIG_, sym->name);
 			break;
 		case mod:
-			fprintf(out, "CONFIG_%s=m\n", sym->name);
+			fprintf(out, "%s%s=m\n", CONFIG_, sym->name);
 			break;
 		case yes:
-			fprintf(out, "CONFIG_%s=y\n", sym->name);
+			fprintf(out, "%s%s=y\n", CONFIG_, sym->name);
 			break;
 		}
 		break;
@@ -449,7 +467,7 @@ static void conf_write_symbol(struct symbol *sym, enum symbol_type type,
 	case S_HEX:
 	case S_INT:
 		str = sym_get_string_value(sym);
-		fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
+		fprintf(out, "%s%s=%s\n", CONFIG_, sym->name, str);
 		break;
 	case S_OTHER:
 	case S_UNKNOWN:
@@ -497,7 +515,9 @@ int conf_write_defconfig(const char *filename)
 			/*
 			 * If symbol is a choice value and equals to the
 			 * default for a choice - skip.
-			 * But only if value is bool and equal to "y" .
+			 * But only if value is bool and equal to "y" and
+			 * choice is not "optional".
+			 * (If choice is "optional" then all values can be "n")
 			 */
 			if (sym_is_choice_value(sym)) {
 				struct symbol *cs;
@@ -505,13 +525,13 @@ int conf_write_defconfig(const char *filename)
 
 				cs = prop_get_symbol(sym_get_choice_prop(sym));
 				ds = sym_choice_default(cs);
-				if (sym == ds) {
+				if (!sym_is_optional(cs) && sym == ds) {
 					if ((sym->type == S_BOOLEAN) &&
 					    sym_get_tristate_value(sym) == yes)
 						goto next_menu;
 				}
 			}
-			conf_write_symbol(sym, sym->type, out, true);
+			conf_write_symbol(sym, out, true);
 		}
 next_menu:
 		if (menu->list != NULL) {
@@ -539,8 +559,7 @@ int conf_write(const char *name)
 	struct menu *menu;
 	const char *basename;
 	const char *str;
-	char dirname[128], tmpname[128], newname[128];
-	enum symbol_type type;
+	char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
 	time_t now;
 	int use_timestamp = 1;
 	char *env;
@@ -579,8 +598,6 @@ int conf_write(const char *name)
 	if (!out)
 		return 1;
 
-	sym = sym_lookup("KERNELVERSION", 0);
-	sym_calc_value(sym);
 	time(&now);
 	env = getenv("KCONFIG_NOTIMESTAMP");
 	if (env && *env)
@@ -588,10 +605,10 @@ int conf_write(const char *name)
 
 	fprintf(out, _("#\n"
 		       "# Automatically generated make config: don't edit\n"
-		       "# Linux barebox version: %s\n"
+		       "# %s\n"
 		       "%s%s"
 		       "#\n"),
-		     sym_get_string_value(sym),
+		     rootmenu.prompt->text,
 		     use_timestamp ? "# " : "",
 		     use_timestamp ? ctime(&now) : "");
 
@@ -614,14 +631,8 @@ int conf_write(const char *name)
 			if (!(sym->flags & SYMBOL_WRITE))
 				goto next;
 			sym->flags &= ~SYMBOL_WRITE;
-			type = sym->type;
-			if (type == S_TRISTATE) {
-				sym_calc_value(modules_sym);
-				if (modules_sym->curr.tri == no)
-					type = S_BOOLEAN;
-			}
 			/* Write config symbol to file */
-			conf_write_symbol(sym, type, out, true);
+			conf_write_symbol(sym, out, true);
 		}
 
 next:
@@ -648,9 +659,7 @@ next:
 			return 1;
 	}
 
-	printf(_("#\n"
-		 "# configuration written to %s\n"
-		 "#\n"), newname);
+	conf_message(_("configuration written to %s"), newname);
 
 	sym_set_change_count(0);
 
@@ -660,7 +669,7 @@ next:
 static int conf_split_config(void)
 {
 	const char *name;
-	char path[128];
+	char path[PATH_MAX+1];
 	char *s, *d, c;
 	struct symbol *sym;
 	struct stat sb;
@@ -802,25 +811,22 @@ int conf_write_autoconf(void)
 		return 1;
 	}
 
-	sym = sym_lookup("KERNELVERSION", 0);
-	sym_calc_value(sym);
 	time(&now);
 	fprintf(out, "#\n"
 		     "# Automatically generated make config: don't edit\n"
-		     "# Linux barebox version: %s\n"
+		     "# %s\n"
 		     "# %s"
 		     "#\n",
-		     sym_get_string_value(sym), ctime(&now));
+		     rootmenu.prompt->text, ctime(&now));
 	fprintf(tristate, "#\n"
 			  "# Automatically generated - do not edit\n"
 			  "\n");
 	fprintf(out_h, "/*\n"
 		       " * Automatically generated C config: don't edit\n"
-		       " * Linux barebox version: %s\n"
+		       " * %s\n"
 		       " * %s"
-		       " */\n"
-		       "#define AUTOCONF_INCLUDED\n",
-		       sym_get_string_value(sym), ctime(&now));
+		       " */\n",
+		       rootmenu.prompt->text, ctime(&now));
 
 	for_all_symbols(i, sym) {
 		sym_calc_value(sym);
@@ -828,7 +834,7 @@ int conf_write_autoconf(void)
 			continue;
 
 		/* write symbol to config file */
-		conf_write_symbol(sym, sym->type, out, false);
+		conf_write_symbol(sym, out, false);
 
 		/* update autoconf and tristate files */
 		switch (sym->type) {
@@ -838,14 +844,17 @@ int conf_write_autoconf(void)
 			case no:
 				break;
 			case mod:
-				fprintf(tristate, "CONFIG_%s=M\n", sym->name);
-				fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name);
+				fprintf(tristate, "%s%s=M\n",
+				    CONFIG_, sym->name);
+				fprintf(out_h, "#define %s%s_MODULE 1\n",
+				    CONFIG_, sym->name);
 				break;
 			case yes:
 				if (sym->type == S_TRISTATE)
-					fprintf(tristate, "CONFIG_%s=Y\n",
-							sym->name);
-				fprintf(out_h, "#define CONFIG_%s 1\n", sym->name);
+					fprintf(tristate,"%s%s=Y\n",
+					    CONFIG_, sym->name);
+				fprintf(out_h, "#define %s%s 1\n",
+				    CONFIG_, sym->name);
 				break;
 			}
 			break;
@@ -855,12 +864,14 @@ int conf_write_autoconf(void)
 		case S_HEX:
 			str = sym_get_string_value(sym);
 			if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
-				fprintf(out_h, "#define CONFIG_%s 0x%s\n", sym->name, str);
+				fprintf(out_h, "#define %s%s 0x%s\n",
+				    CONFIG_, sym->name, str);
 				break;
 			}
 		case S_INT:
 			str = sym_get_string_value(sym);
-			fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str);
+			fprintf(out_h, "#define %s%s %s\n",
+			    CONFIG_, sym->name, str);
 			break;
 		default:
 			break;
@@ -926,7 +937,7 @@ static void randomize_choice_values(struct symbol *csym)
 	int cnt, def;
 
 	/*
-	 * If choice is mod then we may have more items slected
+	 * If choice is mod then we may have more items selected
 	 * and if no then no-one.
 	 * In both cases stop.
 	 */
@@ -1022,10 +1033,10 @@ void conf_set_all_new_symbols(enum conf_def_mode mode)
 
 	/*
 	 * We have different type of choice blocks.
-	 * If curr.tri equal to mod then we can select several
+	 * If curr.tri equals to mod then we can select several
 	 * choice symbols in one block.
 	 * In this case we do nothing.
-	 * If curr.tri equal yes then only one symbol can be
+	 * If curr.tri equals yes then only one symbol can be
 	 * selected in a choice block and we set it to yes,
 	 * and the rest to no.
 	 */
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 330e7c0048..001003452f 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -64,7 +64,7 @@ struct expr *expr_alloc_or(struct expr *e1, struct expr *e2)
 	return e2 ? expr_alloc_two(E_OR, e1, e2) : e1;
 }
 
-struct expr *expr_copy(struct expr *org)
+struct expr *expr_copy(const struct expr *org)
 {
 	struct expr *e;
 
@@ -1013,6 +1013,48 @@ int expr_compare_type(enum expr_type t1, enum expr_type t2)
 #endif
 }
 
+static inline struct expr *
+expr_get_leftmost_symbol(const struct expr *e)
+{
+
+	if (e == NULL)
+		return NULL;
+
+	while (e->type != E_SYMBOL)
+		e = e->left.expr;
+
+	return expr_copy(e);
+}
+
+/*
+ * Given expression `e1' and `e2', returns the leaf of the longest
+ * sub-expression of `e1' not containing 'e2.
+ */
+struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2)
+{
+	struct expr *ret;
+
+	switch (e1->type) {
+	case E_OR:
+		return expr_alloc_and(
+		    expr_simplify_unmet_dep(e1->left.expr, e2),
+		    expr_simplify_unmet_dep(e1->right.expr, e2));
+	case E_AND: {
+		struct expr *e;
+		e = expr_alloc_and(expr_copy(e1), expr_copy(e2));
+		e = expr_eliminate_dups(e);
+		ret = (!expr_eq(e, e1)) ? e1 : NULL;
+		expr_free(e);
+		break;
+		}
+	default:
+		ret = e1;
+		break;
+	}
+
+	return expr_get_leftmost_symbol(ret);
+}
+
 void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken)
 {
 	if (!e) {
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 6ee2e4fb14..3d238db497 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -18,7 +18,7 @@ extern "C" {
 struct file {
 	struct file *next;
 	struct file *parent;
-	char *name;
+	const char *name;
 	int lineno;
 	int flags;
 };
@@ -164,8 +164,8 @@ struct menu {
 	struct menu *list;
 	struct symbol *sym;
 	struct property *prompt;
+	struct expr *visibility;
 	struct expr *dep;
-	struct expr *dir_dep;
 	unsigned int flags;
 	char *help;
 	struct file *file;
@@ -192,7 +192,7 @@ struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e
 struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2);
 struct expr *expr_alloc_and(struct expr *e1, struct expr *e2);
 struct expr *expr_alloc_or(struct expr *e1, struct expr *e2);
-struct expr *expr_copy(struct expr *org);
+struct expr *expr_copy(const struct expr *org);
 void expr_free(struct expr *e);
 int expr_eq(struct expr *e1, struct expr *e2);
 void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
@@ -207,6 +207,7 @@ struct expr *expr_extract_eq_and(struct expr **ep1, struct expr **ep2);
 struct expr *expr_extract_eq_or(struct expr **ep1, struct expr **ep2);
 void expr_extract_eq(enum expr_type type, struct expr **ep, struct expr **ep1, struct expr **ep2);
 struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym);
+struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2);
 
 void expr_fprint(struct expr *e, FILE *out);
 struct gstr; /* forward */
diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c
index 9b84fee9f8..455896164d 100644
--- a/scripts/kconfig/gconf.c
+++ b/scripts/kconfig/gconf.c
@@ -133,7 +133,6 @@ void init_main_window(const gchar * glade_file)
 	GladeXML *xml;
 	GtkWidget *widget;
 	GtkTextBuffer *txtbuf;
-	char title[256];
 	GtkStyle *style;
 
 	xml = glade_xml_new(glade_file, "window1", NULL);
@@ -210,9 +209,7 @@ void init_main_window(const gchar * glade_file)
 					  /*"style", PANGO_STYLE_OBLIQUE, */
 					  NULL);
 
-	sprintf(title, _("Barebox v%s Configuration"),
-		getenv("KERNELVERSION"));
-	gtk_window_set_title(GTK_WINDOW(main_wnd), title);
+	gtk_window_set_title(GTK_WINDOW(main_wnd), rootmenu.prompt->text);
 
 	gtk_widget_show(main_wnd);
 }
@@ -671,8 +668,7 @@ void on_introduction1_activate(GtkMenuItem * menuitem, gpointer user_data)
 {
 	GtkWidget *dialog;
 	const gchar *intro_text = _(
-	    "Welcome to gkc, the GTK+ graphical barebox configuration tool\n"
-	    "for Linux.\n"
+	    "Welcome to gkc, the GTK+ graphical configuration tool\n"
 	    "For each option, a blank box indicates the feature is disabled, a\n"
 	    "check indicates it is enabled, and a dot indicates that it is to\n"
 	    "be compiled as a module.  Clicking on the box will cycle through the three states.\n"
@@ -1531,12 +1527,6 @@ int main(int ac, char *av[])
 	else
 		glade_file = g_strconcat(g_get_current_dir(), "/", av[0], ".glade", NULL);
 
-	/* Load the interface and connect signals */
-	init_main_window(glade_file);
-	init_tree_model();
-	init_left_tree();
-	init_right_tree();
-
 	/* Conf stuffs */
 	if (ac > 1 && av[1][0] == '-') {
 		switch (av[1][1]) {
@@ -1556,6 +1546,12 @@ int main(int ac, char *av[])
 	fixup_rootmenu(&rootmenu);
 	conf_read(NULL);
 
+	/* Load the interface and connect signals */
+	init_main_window(glade_file);
+	init_tree_model();
+	init_left_tree();
+	init_right_tree();
+
 	switch (view_mode) {
 	case SINGLE_VIEW:
 		display_tree_part();
diff --git a/scripts/kconfig/gconf.glade b/scripts/kconfig/gconf.glade
index d52b0a75d8..aa483cb327 100644
--- a/scripts/kconfig/gconf.glade
+++ b/scripts/kconfig/gconf.glade
@@ -1,5 +1,4 @@
 <?xml version="1.0" standalone="no"?> <!--*- mode: xml -*-->
-<!DOCTYPE glade-interface SYSTEM "http://glade.gnome.org/glade-2.0.dtd">
 
 <glade-interface>
 
diff --git a/scripts/kconfig/kxgettext.c b/scripts/kconfig/kxgettext.c
index dcc3fcc0cc..e9d8e791bf 100644
--- a/scripts/kconfig/kxgettext.c
+++ b/scripts/kconfig/kxgettext.c
@@ -63,11 +63,11 @@ next:
 
 struct file_line {
 	struct file_line *next;
-	char*		 file;
-	int		 lineno;
+	const char *file;
+	int lineno;
 };
 
-static struct file_line *file_line__new(char *file, int lineno)
+static struct file_line *file_line__new(const char *file, int lineno)
 {
 	struct file_line *self = malloc(sizeof(*self));
 
@@ -90,7 +90,8 @@ struct message {
 
 static struct message *message__list;
 
-static struct message *message__new(const char *msg, char *option, char *file, int lineno)
+static struct message *message__new(const char *msg, char *option,
+				    const char *file, int lineno)
 {
 	struct message *self = malloc(sizeof(*self));
 
@@ -130,7 +131,8 @@ static struct message *mesage__find(const char *msg)
 	return m;
 }
 
-static int message__add_file_line(struct message *self, char *file, int lineno)
+static int message__add_file_line(struct message *self, const char *file,
+				  int lineno)
 {
 	int rc = -1;
 	struct file_line *fl = file_line__new(file, lineno);
@@ -145,7 +147,8 @@ out:
 	return rc;
 }
 
-static int message__add(const char *msg, char *option, char *file, int lineno)
+static int message__add(const char *msg, char *option, const char *file,
+			int lineno)
 {
 	int rc = 0;
 	char bf[16384];
diff --git a/scripts/kconfig/lex.zconf.c_shipped b/scripts/kconfig/lex.zconf.c_shipped
index ca60fb7321..3c11bed3de 100644
--- a/scripts/kconfig/lex.zconf.c_shipped
+++ b/scripts/kconfig/lex.zconf.c_shipped
@@ -2373,9 +2373,10 @@ void zconf_nextfile(const char *name)
 	memset(buf, 0, sizeof(*buf));
 
 	current_buf->state = YY_CURRENT_BUFFER;
-	zconfin = zconf_fopen(name);
+	zconfin = zconf_fopen(file->name);
 	if (!zconfin) {
-		printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name);
+		printf("%s:%d: can't open file \"%s\"\n",
+		    zconf_curname(), zconf_lineno(), file->name);
 		exit(1);
 	}
 	zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE));
@@ -2422,7 +2423,7 @@ int zconf_lineno(void)
 	return current_pos.lineno;
 }
 
-char *zconf_curname(void)
+const char *zconf_curname(void)
 {
 	return current_pos.file ? current_pos.file->name : "<none>";
 }
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index bdf71bd314..febf0c94d5 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -14,6 +14,7 @@
 static inline const char *gettext(const char *txt) { return txt; }
 static inline void textdomain(const char *domainname) {}
 static inline void bindtextdomain(const char *name, const char *dir) {}
+static inline char *bind_textdomain_codeset(const char *dn, char *c) { return c; }
 #endif
 
 #ifdef __cplusplus
@@ -31,12 +32,18 @@ extern "C" {
 
 #define SRCTREE "srctree"
 
+#ifndef PACKAGE
 #define PACKAGE "linux"
+#endif
+
 #define LOCALEDIR "/usr/share/locale"
 
 #define _(text) gettext(text)
 #define N_(text) (text)
 
+#ifndef CONFIG_
+#define CONFIG_ "CONFIG_"
+#endif
 
 #define TF_COMMAND	0x0001
 #define TF_PARAM	0x0002
@@ -61,16 +68,18 @@ struct kconf_id {
 	enum symbol_type stype;
 };
 
+#ifdef YYDEBUG
+extern int zconfdebug;
+#endif
+
 int zconfparse(void);
 void zconfdump(FILE *out);
-
-extern int zconfdebug;
 void zconf_starthelp(void);
 FILE *zconf_fopen(const char *name);
 void zconf_initscan(const char *name);
 void zconf_nextfile(const char *name);
 int zconf_lineno(void);
-char *zconf_curname(void);
+const char *zconf_curname(void);
 
 /* conf.c */
 void xfgets(char *str, int size, FILE *in);
@@ -101,6 +110,7 @@ void menu_end_menu(void);
 void menu_add_entry(struct symbol *sym);
 void menu_end_entry(void);
 void menu_add_dep(struct expr *dep);
+void menu_add_visibility(struct expr *dep);
 struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep);
 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index 9a948c9ce4..17342fef38 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -1,3 +1,4 @@
+#include <stdarg.h>
 
 /* confdata.c */
 P(conf_parse,void,(const char *name));
@@ -8,6 +9,7 @@ P(conf_write,int,(const char *name));
 P(conf_write_autoconf,int,(void));
 P(conf_get_changed,bool,(void));
 P(conf_set_changed_callback, void,(void (*fn)(void)));
+P(conf_set_message_callback, void,(void (*fn)(const char *fmt, va_list ap)));
 
 /* menu.c */
 P(rootmenu,struct menu,);
@@ -28,6 +30,7 @@ P(symbol_hash,struct symbol *,[SYMBOL_HASHSIZE]);
 
 P(sym_lookup,struct symbol *,(const char *name, int flags));
 P(sym_find,struct symbol *,(const char *name));
+P(sym_expand_string_value,const char *,(const char *in));
 P(sym_re_search,struct symbol **,(const char *pattern));
 P(sym_type_name,const char *,(enum symbol_type type));
 P(sym_calc_value,void,(struct symbol *sym));
diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index fcef0f59d5..82cc3a85e7 100644
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -23,6 +23,8 @@ ccflags()
 		echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
 	elif [ -f /usr/include/ncurses/curses.h ]; then
 		echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
+	elif [ -f /usr/include/ncursesw/curses.h ]; then
+		echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
 	elif [ -f /usr/include/ncurses.h ]; then
 		echo '-DCURSES_LOC="<ncurses.h>"'
 	else
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index f6589046d4..d433c7a247 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -25,11 +25,9 @@
 static const char mconf_readme[] = N_(
 "Overview\n"
 "--------\n"
-"Some barebox features may be built directly into the barebox.\n"
-"Some may be made into loadable runtime modules.  Some features\n"
-"may be completely removed altogether.  There are also certain\n"
-"barebox parameters which are not really features, but must be\n"
-"entered in as decimal or hexadecimal numbers or possibly text.\n"
+"This interface let you select features and parameters for the build.\n"
+"Features can either be built-in, modularized, or ignored. Parameters\n"
+"must be entered in as decimal or hexadecimal numbers or text.\n"
 "\n"
 "Menu items beginning with following braces represent features that\n"
 "  [ ] can be built in or removed\n"
@@ -117,7 +115,7 @@ static const char mconf_readme[] = N_(
 "-----------------------------\n"
 "Menuconfig supports the use of alternate configuration files for\n"
 "those who, for various reasons, find it necessary to switch\n"
-"between different barebox configurations.\n"
+"between different configurations.\n"
 "\n"
 "At the end of the main menu you will find two options.  One is\n"
 "for saving the current configuration to a file of your choosing.\n"
@@ -150,9 +148,9 @@ static const char mconf_readme[] = N_(
 "\n"
 "Optional personality available\n"
 "------------------------------\n"
-"If you prefer to have all of the barebox options listed in a single\n"
-"menu, rather than the default multimenu hierarchy, run the menuconfig\n"
-"with MENUCONFIG_MODE environment variable set to single_menu. Example:\n"
+"If you prefer to have all of the options listed in a single menu, rather\n"
+"than the default multimenu hierarchy, run the menuconfig with\n"
+"MENUCONFIG_MODE environment variable set to single_menu. Example:\n"
 "\n"
 "make MENUCONFIG_MODE=single_menu menuconfig\n"
 "\n"
@@ -207,12 +205,12 @@ load_config_text[] = N_(
 	"last retrieved.  Leave blank to abort."),
 load_config_help[] = N_(
 	"\n"
-	"For various reasons, one may wish to keep several different barebox\n"
+	"For various reasons, one may wish to keep several different\n"
 	"configurations available on a single machine.\n"
 	"\n"
 	"If you have saved a previous configuration in a file other than the\n"
-	"barebox's default, entering the name of the file here will allow you\n"
-	"to modify that configuration.\n"
+	"default one, entering its name here will allow you to modify that\n"
+	"configuration.\n"
 	"\n"
 	"If you are uncertain, then you have probably never used alternate\n"
 	"configuration files. You should therefore leave this blank to abort.\n"),
@@ -221,8 +219,8 @@ save_config_text[] = N_(
 	"as an alternate.  Leave blank to abort."),
 save_config_help[] = N_(
 	"\n"
-	"For various reasons, one may wish to keep different barebox\n"
-	"configurations available on a single machine.\n"
+	"For various reasons, one may wish to keep different configurations\n"
+	"available on a single machine.\n"
 	"\n"
 	"Entering a file name here will allow you to later retrieve, modify\n"
 	"and use the current configuration as an alternate to whatever\n"
@@ -232,7 +230,7 @@ save_config_help[] = N_(
 	"leave this blank.\n"),
 search_help[] = N_(
 	"\n"
-	"Search for CONFIG_ symbols and display their relations.\n"
+	"Search for symbols and display their relations.\n"
 	"Regular expressions are allowed.\n"
 	"Example: search for \"^FOO\"\n"
 	"Result:\n"
@@ -249,7 +247,7 @@ search_help[] = N_(
 	"Selected by: BAR\n"
 	"-----------------------------------------------------------------\n"
 	"o The line 'Prompt:' shows the text used in the menu structure for\n"
-	"  this CONFIG_ symbol\n"
+	"  this symbol\n"
 	"o The 'Defined at' line tell at what file / line number the symbol\n"
 	"  is defined\n"
 	"o The 'Depends on:' line tell what symbols needs to be defined for\n"
@@ -265,9 +263,9 @@ search_help[] = N_(
 	"Only relevant lines are shown.\n"
 	"\n\n"
 	"Search examples:\n"
-	"Examples: USB	=> find all CONFIG_ symbols containing USB\n"
-	"          ^USB => find all CONFIG_ symbols starting with USB\n"
-	"          USB$ => find all CONFIG_ symbols ending with USB\n"
+	"Examples: USB	=> find all symbols containing USB\n"
+	"          ^USB => find all symbols starting with USB\n"
+	"          USB$ => find all symbols ending with USB\n"
 	"\n");
 
 static int indent;
@@ -290,13 +288,9 @@ static void set_config_filename(const char *config_filename)
 {
 	static char menu_backtitle[PATH_MAX+128];
 	int size;
-	struct symbol *sym;
 
-	sym = sym_lookup("KERNELVERSION", 0);
-	sym_calc_value(sym);
 	size = snprintf(menu_backtitle, sizeof(menu_backtitle),
-	                _("%s - Barebox v%s Configuration"),
-		        config_filename, sym_get_string_value(sym));
+	                "%s - %s", config_filename, rootmenu.prompt->text);
 	if (size >= sizeof(menu_backtitle))
 		menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
 	set_dialog_backtitle(menu_backtitle);
@@ -316,8 +310,8 @@ static void search_conf(void)
 again:
 	dialog_clear();
 	dres = dialog_inputbox(_("Search Configuration Parameter"),
-			      _("Enter CONFIG_ (sub)string to search for "
-				"(with or without \"CONFIG\")"),
+			      _("Enter " CONFIG_ " (sub)string to search for "
+				"(with or without \"" CONFIG_ "\")"),
 			      10, 75, "");
 	switch (dres) {
 	case 0:
@@ -329,10 +323,10 @@ again:
 		return;
 	}
 
-	/* strip CONFIG_ if necessary */
+	/* strip the prefix if necessary */
 	dialog_input = dialog_input_result;
-	if (strncasecmp(dialog_input_result, "CONFIG_", 7) == 0)
-		dialog_input += 7;
+	if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
+		dialog_input += strlen(CONFIG_);
 
 	sym_arr = sym_re_search(dialog_input);
 	res = get_relations_str(sym_arr);
@@ -834,7 +828,7 @@ int main(int ac, char **av)
 		if (conf_get_changed())
 			res = dialog_yesno(NULL,
 					   _("Do you wish to save your "
-					     "new barebox configuration?\n"
+					     "new configuration?\n"
 					     "<ESC><ESC> to continue."),
 					   6, 60);
 		else
@@ -846,20 +840,20 @@ int main(int ac, char **av)
 	case 0:
 		if (conf_write(filename)) {
 			fprintf(stderr, _("\n\n"
-				"Error during writing of the barebox configuration.\n"
-				"Your barebox configuration changes were NOT saved."
+				"Error while writing of the configuration.\n"
+				"Your configuration changes were NOT saved."
 				"\n\n"));
 			return 1;
 		}
 	case -1:
 		printf(_("\n\n"
-			"*** End of Linux barebox configuration.\n"
-			"*** Execute 'make' to build the barebox or try 'make help'."
+			"*** End of the configuration.\n"
+			"*** Execute 'make' to start the build or try 'make help'."
 			"\n\n"));
 		break;
 	default:
 		fprintf(stderr, _("\n\n"
-			"Your barebox configuration changes were NOT saved."
+			"Your configuration changes were NOT saved."
 			"\n\n"));
 	}
 
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 521352722e..5fdf10dc1d 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -10,7 +10,7 @@
 #include "lkc.h"
 
 static const char nohelp_text[] = N_(
-	"There is no help available for this barebox option.\n");
+	"There is no help available for this option.\n");
 
 struct menu rootmenu;
 static struct menu **last_entry_ptr;
@@ -107,7 +107,6 @@ static struct expr *menu_check_dep(struct expr *e)
 void menu_add_dep(struct expr *dep)
 {
 	current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep));
-	current_entry->dir_dep = current_entry->dep;
 }
 
 void menu_set_type(int type)
@@ -139,8 +138,22 @@ struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *e
 			while (isspace(*prompt))
 				prompt++;
 		}
-		if (current_entry->prompt)
+		if (current_entry->prompt && current_entry != &rootmenu)
 			prop_warn(prop, "prompt redefined");
+
+		/* Apply all upper menus' visibilities to actual prompts. */
+		if(type == P_PROMPT) {
+			struct menu *menu = current_entry;
+
+			while ((menu = menu->parent) != NULL) {
+				if (!menu->visibility)
+					continue;
+				prop->visible.expr
+					= expr_alloc_and(prop->visible.expr,
+							 menu->visibility);
+			}
+		}
+
 		current_entry->prompt = prop;
 	}
 	prop->text = prompt;
@@ -153,6 +166,12 @@ struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr
 	return menu_add_prop(type, prompt, NULL, dep);
 }
 
+void menu_add_visibility(struct expr *expr)
+{
+	current_entry->visibility = expr_alloc_and(current_entry->visibility,
+	    expr);
+}
+
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
 {
 	menu_add_prop(type, NULL, expr, dep);
@@ -184,7 +203,7 @@ void menu_add_option(int token, char *arg)
 	}
 }
 
-static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
+static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
 {
 	return sym2->type == S_INT || sym2->type == S_HEX ||
 	       (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
@@ -202,6 +221,15 @@ static void sym_check_prop(struct symbol *sym)
 				prop_warn(prop,
 				    "default for config symbol '%s'"
 				    " must be a single symbol", sym->name);
+			if (prop->expr->type != E_SYMBOL)
+				break;
+			sym2 = prop_get_symbol(prop);
+			if (sym->type == S_HEX || sym->type == S_INT) {
+				if (!menu_validate_number(sym, sym2))
+					prop_warn(prop,
+					    "'%s': number is invalid",
+					    sym->name);
+			}
 			break;
 		case P_SELECT:
 			sym2 = prop_get_symbol(prop);
@@ -221,8 +249,8 @@ static void sym_check_prop(struct symbol *sym)
 			if (sym->type != S_INT && sym->type != S_HEX)
 				prop_warn(prop, "range is only allowed "
 				                "for int or hex symbols");
-			if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
-			    !menu_range_valid_sym(sym, prop->expr->right.sym))
+			if (!menu_validate_number(sym, prop->expr->left.sym) ||
+			    !menu_validate_number(sym, prop->expr->right.sym))
 				prop_warn(prop, "range is invalid");
 			break;
 		default:
@@ -291,10 +319,6 @@ void menu_finalize(struct menu *parent)
 		for (menu = parent->list; menu; menu = menu->next)
 			menu_finalize(menu);
 	} else if (sym) {
-		/* ignore inherited dependencies for dir_dep */
-		sym->dir_dep.expr = expr_transform(expr_copy(parent->dir_dep));
-		sym->dir_dep.expr = expr_eliminate_dups(sym->dir_dep.expr);
-
 		basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
 		basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
 		basedep = expr_eliminate_dups(expr_transform(basedep));
@@ -325,6 +349,8 @@ void menu_finalize(struct menu *parent)
 			parent->next = last_menu->next;
 			last_menu->next = NULL;
 		}
+
+		sym->dir_dep.expr = parent->dep;
 	}
 	for (menu = parent->list; menu; menu = menu->next) {
 		if (sym && sym_is_choice(sym) &&
@@ -413,6 +439,11 @@ bool menu_is_visible(struct menu *menu)
 	if (!menu->prompt)
 		return false;
 
+	if (menu->visibility) {
+		if (expr_calc_value(menu->visibility) == no)
+			return no;
+	}
+
 	sym = menu->sym;
 	if (sym) {
 		sym_calc_value(sym);
@@ -566,7 +597,7 @@ void menu_get_ext_help(struct menu *menu, struct gstr *help)
 
 	if (menu_has_help(menu)) {
 		if (sym->name) {
-			str_printf(help, "CONFIG_%s:\n\n", sym->name);
+			str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
 			str_append(help, _(menu_get_help(menu)));
 			str_append(help, "\n");
 		}
diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c
index a63b317c01..db56377393 100644
--- a/scripts/kconfig/nconf.c
+++ b/scripts/kconfig/nconf.c
@@ -5,25 +5,26 @@
  * Derived from menuconfig.
  *
  */
+#define _GNU_SOURCE
+#include <string.h>
 #define LKC_DIRECT_LINK
 #include "lkc.h"
 #include "nconf.h"
+#include <ctype.h>
 
 static const char nconf_readme[] = N_(
 "Overview\n"
 "--------\n"
-"Some barebox features may be built directly into the barebox.\n"
-"Some may be made into loadable runtime modules.  Some features\n"
-"may be completely removed altogether.  There are also certain\n"
-"barebox parameters which are not really features, but must be\n"
-"entered in as decimal or hexadecimal numbers or possibly text.\n"
+"This interface let you select features and parameters for the build.\n"
+"Features can either be built-in, modularized, or ignored. Parameters\n"
+"must be entered in as decimal or hexadecimal numbers or text.\n"
 "\n"
 "Menu items beginning with following braces represent features that\n"
 "  [ ] can be built in or removed\n"
 "  < > can be built in, modularized or removed\n"
 "  { } can be built in or modularized (selected by other feature)\n"
 "  - - are selected by other feature,\n"
-"  XXX cannot be selected. use Symbol Info to find out why,\n"
+"  XXX cannot be selected. Use Symbol Info to find out why,\n"
 "while *, M or whitespace inside braces means to build in, build as\n"
 "a module or to exclude the feature respectively.\n"
 "\n"
@@ -41,9 +42,13 @@ static const char nconf_readme[] = N_(
 "   pressing <Enter> of <right-arrow>. Use <Esc> or <left-arrow> to go back.\n"
 "   Submenus are designated by \"--->\".\n"
 "\n"
-"   Shortcut: Press the option's highlighted letter (hotkey).\n"
-"             Pressing a hotkey more than once will sequence\n"
-"             through all visible items which use that hotkey.\n"
+"   Searching: pressing '/' triggers interactive search mode.\n"
+"              nconfig performs a case insensitive search for the string\n"
+"              in the menu prompts (no regex support).\n"
+"              Pressing the up/down keys highlights the previous/next\n"
+"              matching item. Backspace removes one character from the\n"
+"              match string. Pressing either '/' again or ESC exits\n"
+"              search mode. All other keys behave normally.\n"
 "\n"
 "   You may also use the <PAGE UP> and <PAGE DOWN> keys to scroll\n"
 "   unseen options into view.\n"
@@ -88,7 +93,7 @@ static const char nconf_readme[] = N_(
 "-----------------------------\n"
 "nconfig supports the use of alternate configuration files for\n"
 "those who, for various reasons, find it necessary to switch\n"
-"between different barebox configurations.\n"
+"between different configurations.\n"
 "\n"
 "At the end of the main menu you will find two options.  One is\n"
 "for saving the current configuration to a file of your choosing.\n"
@@ -121,9 +126,9 @@ static const char nconf_readme[] = N_(
 "\n"
 "Optional personality available\n"
 "------------------------------\n"
-"If you prefer to have all of the barebox options listed in a single\n"
-"menu, rather than the default multimenu hierarchy, run the nconfig\n"
-"with NCONFIG_MODE environment variable set to single_menu. Example:\n"
+"If you prefer to have all of the options listed in a single menu, rather\n"
+"than the default multimenu hierarchy, run the nconfig with NCONFIG_MODE\n"
+"environment variable set to single_menu. Example:\n"
 "\n"
 "make NCONFIG_MODE=single_menu nconfig\n"
 "\n"
@@ -141,21 +146,21 @@ menu_no_f_instructions[] = N_(
 " <Enter> or <right-arrow> selects submenus --->.\n"
 " Capital Letters are hotkeys.\n"
 " Pressing <Y> includes, <N> excludes, <M> modularizes features.\n"
-" Pressing SpaceBar toggles between the above options\n"
-" Press <Esc> or <left-arrow> to go back one menu, \n"
+" Pressing SpaceBar toggles between the above options.\n"
+" Press <Esc> or <left-arrow> to go back one menu,\n"
 " <?> or <h> for Help, </> for Search.\n"
-" <1> is interchangable with <F1>, <2> with <F2>, etc.\n"
+" <1> is interchangeable with <F1>, <2> with <F2>, etc.\n"
 " Legend: [*] built-in  [ ] excluded  <M> module  < > module capable.\n"
-" <Esc> always leaves the current window\n"),
+" <Esc> always leaves the current window.\n"),
 menu_instructions[] = N_(
 " Arrow keys navigate the menu.\n"
 " <Enter> or <right-arrow> selects submenus --->.\n"
 " Capital Letters are hotkeys.\n"
 " Pressing <Y> includes, <N> excludes, <M> modularizes features.\n"
 " Pressing SpaceBar toggles between the above options\n"
-" Press <Esc>, <F3> or <left-arrow> to go back one menu, \n"
+" Press <Esc>, <F5> or <left-arrow> to go back one menu,\n"
 " <?>, <F1> or <h> for Help, </> for Search.\n"
-" <1> is interchangable with <F1>, <2> with <F2>, etc.\n"
+" <1> is interchangeable with <F1>, <2> with <F2>, etc.\n"
 " Legend: [*] built-in  [ ] excluded  <M> module  < > module capable.\n"
 " <Esc> always leaves the current window\n"),
 radiolist_instructions[] = N_(
@@ -178,19 +183,19 @@ setmod_text[] = N_(
 "has been configured as a module.\n"
 "As a result, this feature will be built as a module."),
 nohelp_text[] = N_(
-"There is no help available for this barebox option.\n"),
+"There is no help available for this option.\n"),
 load_config_text[] = N_(
 "Enter the name of the configuration file you wish to load.\n"
 "Accept the name shown to restore the configuration you\n"
 "last retrieved.  Leave blank to abort."),
 load_config_help[] = N_(
 "\n"
-"For various reasons, one may wish to keep several different barebox\n"
+"For various reasons, one may wish to keep several different\n"
 "configurations available on a single machine.\n"
 "\n"
 "If you have saved a previous configuration in a file other than the\n"
-"barebox's default, entering the name of the file here will allow you\n"
-"to modify that configuration.\n"
+"default one, entering its name here will allow you to modify that\n"
+"configuration.\n"
 "\n"
 "If you are uncertain, then you have probably never used alternate\n"
 "configuration files.  You should therefor leave this blank to abort.\n"),
@@ -199,8 +204,8 @@ save_config_text[] = N_(
 "as an alternate.  Leave blank to abort."),
 save_config_help[] = N_(
 "\n"
-"For various reasons, one may wish to keep different barebox\n"
-"configurations available on a single machine.\n"
+"For various reasons, one may wish to keep different configurations\n"
+"available on a single machine.\n"
 "\n"
 "Entering a file name here will allow you to later retrieve, modify\n"
 "and use the current configuration as an alternate to whatever\n"
@@ -210,8 +215,8 @@ save_config_help[] = N_(
 "leave this blank.\n"),
 search_help[] = N_(
 "\n"
-"Search for CONFIG_ symbols and display their relations.\n"
-"Regular expressions are allowed.\n"
+"Search for symbols and display their relations. Regular expressions\n"
+"are allowed.\n"
 "Example: search for \"^FOO\"\n"
 "Result:\n"
 "-----------------------------------------------------------------\n"
@@ -227,7 +232,7 @@ search_help[] = N_(
 "Selected by: BAR\n"
 "-----------------------------------------------------------------\n"
 "o The line 'Prompt:' shows the text used in the menu structure for\n"
-"  this CONFIG_ symbol\n"
+"  this symbol\n"
 "o The 'Defined at' line tell at what file / line number the symbol\n"
 "  is defined\n"
 "o The 'Depends on:' line tell what symbols needs to be defined for\n"
@@ -243,16 +248,15 @@ search_help[] = N_(
 "Only relevant lines are shown.\n"
 "\n\n"
 "Search examples:\n"
-"Examples: USB   = > find all CONFIG_ symbols containing USB\n"
-"          ^USB => find all CONFIG_ symbols starting with USB\n"
-"          USB$ => find all CONFIG_ symbols ending with USB\n"
+"Examples: USB  => find all symbols containing USB\n"
+"          ^USB => find all symbols starting with USB\n"
+"          USB$ => find all symbols ending with USB\n"
 "\n");
 
 struct mitem {
 	char str[256];
 	char tag;
 	void *usrptr;
-	int is_hot;
 	int is_visible;
 };
 
@@ -275,14 +279,6 @@ static int items_num;
 static int global_exit;
 /* the currently selected button */
 const char *current_instructions = menu_instructions;
-/* this array is used to implement hot keys. it is updated in item_make and
- * resetted in clean_items. It would be better to use a hash, but lets keep it
- * simple... */
-#define MAX_SAME_KEY MAX_MENU_ITEMS
-struct {
-	int count;
-	int ptrs[MAX_MENU_ITEMS];
-} hotkeys[1<<(sizeof(char)*8)];
 
 static void conf(struct menu *menu);
 static void conf_choice(struct menu *menu);
@@ -292,6 +288,7 @@ static void conf_save(void);
 static void show_help(struct menu *menu);
 static int do_exit(void);
 static void setup_windows(void);
+static void search_conf(void);
 
 typedef void (*function_key_handler_t)(int *key, struct menu *menu);
 static void handle_f1(int *key, struct menu *current_item);
@@ -302,6 +299,7 @@ static void handle_f5(int *key, struct menu *current_item);
 static void handle_f6(int *key, struct menu *current_item);
 static void handle_f7(int *key, struct menu *current_item);
 static void handle_f8(int *key, struct menu *current_item);
+static void handle_f9(int *key, struct menu *current_item);
 
 struct function_keys {
 	const char *key_str;
@@ -310,7 +308,7 @@ struct function_keys {
 	function_key_handler_t handler;
 };
 
-static const int function_keys_num = 8;
+static const int function_keys_num = 9;
 struct function_keys function_keys[] = {
 	{
 		.key_str = "F1",
@@ -320,13 +318,13 @@ struct function_keys function_keys[] = {
 	},
 	{
 		.key_str = "F2",
-		.func = "Symbol Info",
+		.func = "Sym Info",
 		.key = F_SYMBOL,
 		.handler = handle_f2,
 	},
 	{
 		.key_str = "F3",
-		.func = "Instructions",
+		.func = "Insts",
 		.key = F_INSTS,
 		.handler = handle_f3,
 	},
@@ -356,9 +354,15 @@ struct function_keys function_keys[] = {
 	},
 	{
 		.key_str = "F8",
+		.func = "Sym Search",
+		.key = F_SEARCH,
+		.handler = handle_f8,
+	},
+	{
+		.key_str = "F9",
 		.func = "Exit",
 		.key = F_EXIT,
-		.handler = handle_f8,
+		.handler = handle_f9,
 	},
 };
 
@@ -444,9 +448,16 @@ static void handle_f7(int *key, struct menu *current_item)
 	return;
 }
 
-/* exit */
+/* search */
 static void handle_f8(int *key, struct menu *current_item)
 {
+	search_conf();
+	return;
+}
+
+/* exit */
+static void handle_f9(int *key, struct menu *current_item)
+{
 	do_exit();
 	return;
 }
@@ -479,110 +490,44 @@ static void clean_items(void)
 		free_item(curses_menu_items[i]);
 	bzero(curses_menu_items, sizeof(curses_menu_items));
 	bzero(k_menu_items, sizeof(k_menu_items));
-	bzero(hotkeys, sizeof(hotkeys));
 	items_num = 0;
 }
 
-/* return the index of the next hot item, or -1 if no such item exists */
-static int get_next_hot(int c)
-{
-	static int hot_index;
-	static int hot_char;
-
-	if (c < 0 || c > 255 || hotkeys[c].count <= 0)
-		return -1;
-
-	if (hot_char == c) {
-		hot_index = (hot_index+1)%hotkeys[c].count;
-		return hotkeys[c].ptrs[hot_index];
-	} else {
-		hot_char = c;
-		hot_index = 0;
-		return hotkeys[c].ptrs[0];
-	}
-}
-
-/* can the char c be a hot key? no, if c is a common shortcut used elsewhere */
-static int canbhot(char c)
-{
-	c = tolower(c);
-	return isalnum(c) && c != 'y' && c != 'm' && c != 'h' &&
-		c != 'n' && c != '?';
-}
-
-/* check if str already contains a hot key. */
-static int is_hot(int index)
-{
-	return k_menu_items[index].is_hot;
-}
+typedef enum {MATCH_TINKER_PATTERN_UP, MATCH_TINKER_PATTERN_DOWN,
+	FIND_NEXT_MATCH_DOWN, FIND_NEXT_MATCH_UP} match_f;
 
-/* find the first possible hot key, and mark it.
- * index is the index of the item in the menu
- * return 0 on success*/
-static int make_hot(char *dest, int len, const char *org, int index)
+/* return the index of the matched item, or -1 if no such item exists */
+static int get_mext_match(const char *match_str, match_f flag)
 {
-	int position = -1;
-	int i;
-	int tmp;
-	int c;
-	int org_len = strlen(org);
-
-	if (org == NULL || is_hot(index))
-		return 1;
-
-	/* make sure not to make hot keys out of markers.
-	 * find where to start looking for a hot key
-	 */
-	i = 0;
-	/* skip white space */
-	while (i < org_len && org[i] == ' ')
-		i++;
-	if (i == org_len)
-		return -1;
-	/* if encountering '(' or '<' or '[', find the match and look from there
-	 **/
-	if (org[i] == '[' || org[i] == '<' || org[i] == '(') {
-		i++;
-		for (; i < org_len; i++)
-			if (org[i] == ']' || org[i] == '>' || org[i] == ')')
-				break;
-	}
-	if (i == org_len)
-		return -1;
-	for (; i < org_len; i++) {
-		if (canbhot(org[i]) && org[i-1] != '<' && org[i-1] != '(') {
-			position = i;
-			break;
-		}
+	int match_start = item_index(current_item(curses_menu));
+	int index;
+
+	if (flag == FIND_NEXT_MATCH_DOWN)
+		++match_start;
+	else if (flag == FIND_NEXT_MATCH_UP)
+		--match_start;
+
+	index = match_start;
+	index = (index + items_num) % items_num;
+	while (true) {
+		char *str = k_menu_items[index].str;
+		if (strcasestr(str, match_str) != 0)
+			return index;
+		if (flag == FIND_NEXT_MATCH_UP ||
+		    flag == MATCH_TINKER_PATTERN_UP)
+			--index;
+		else
+			++index;
+		index = (index + items_num) % items_num;
+		if (index == match_start)
+			return -1;
 	}
-	if (position == -1)
-		return 1;
-
-	/* ok, char at org[position] should be a hot key to this item */
-	c = tolower(org[position]);
-	tmp = hotkeys[c].count;
-	hotkeys[c].ptrs[tmp] = index;
-	hotkeys[c].count++;
-	/*
-	   snprintf(dest, len, "%.*s(%c)%s", position, org, org[position],
-	   &org[position+1]);
-	   */
-	/* make org[position] uppercase, and all leading letter small case */
-	strncpy(dest, org, len);
-	for (i = 0; i < position; i++)
-		dest[i] = tolower(dest[i]);
-	dest[position] = toupper(dest[position]);
-	k_menu_items[index].is_hot = 1;
-	return 0;
 }
 
-/* Make a new item. Add a hotkey mark in the first possible letter.
- * As ncurses does not allow any attributes inside menue item, we mark the
- * hot key as the first capitalized letter in the string */
+/* Make a new item. */
 static void item_make(struct menu *menu, char tag, const char *fmt, ...)
 {
 	va_list ap;
-	char tmp_str[256];
 
 	if (items_num > MAX_MENU_ITEMS-1)
 		return;
@@ -597,16 +542,13 @@ static void item_make(struct menu *menu, char tag, const char *fmt, ...)
 		k_menu_items[items_num].is_visible = 1;
 
 	va_start(ap, fmt);
-	vsnprintf(tmp_str, sizeof(tmp_str), fmt, ap);
-	if (!k_menu_items[items_num].is_visible)
-		memcpy(tmp_str, "XXX", 3);
+	vsnprintf(k_menu_items[items_num].str,
+		  sizeof(k_menu_items[items_num].str),
+		  fmt, ap);
 	va_end(ap);
-	if (make_hot(
-		k_menu_items[items_num].str,
-		sizeof(k_menu_items[items_num].str), tmp_str, items_num) != 0)
-		strncpy(k_menu_items[items_num].str,
-			tmp_str,
-			sizeof(k_menu_items[items_num].str));
+
+	if (!k_menu_items[items_num].is_visible)
+		memcpy(k_menu_items[items_num].str, "XXX", 3);
 
 	curses_menu_items[items_num] = new_item(
 			k_menu_items[items_num].str,
@@ -638,11 +580,9 @@ static void item_add_str(const char *fmt, ...)
 	va_end(ap);
 	snprintf(tmp_str, sizeof(tmp_str), "%s%s",
 			k_menu_items[index].str, new_str);
-	if (make_hot(k_menu_items[index].str,
-			sizeof(k_menu_items[index].str), tmp_str, index) != 0)
-		strncpy(k_menu_items[index].str,
-			tmp_str,
-			sizeof(k_menu_items[index].str));
+	strncpy(k_menu_items[index].str,
+		tmp_str,
+		sizeof(k_menu_items[index].str));
 
 	free_item(curses_menu_items[index]);
 	curses_menu_items[index] = new_item(
@@ -693,13 +633,9 @@ static char menu_backtitle[PATH_MAX+128];
 static const char *set_config_filename(const char *config_filename)
 {
 	int size;
-	struct symbol *sym;
 
-	sym = sym_lookup("KERNELVERSION", 0);
-	sym_calc_value(sym);
 	size = snprintf(menu_backtitle, sizeof(menu_backtitle),
-			_("%s - Barebox v%s Configuration"),
-			config_filename, sym_get_string_value(sym));
+			"%s - %s", config_filename, rootmenu.prompt->text);
 	if (size >= sizeof(menu_backtitle))
 		menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
 
@@ -709,25 +645,6 @@ static const char *set_config_filename(const char *config_filename)
 	return menu_backtitle;
 }
 
-/* command = 0 is supress, 1 is restore */
-static void supress_stdout(int command)
-{
-	static FILE *org_stdout;
-	static FILE *org_stderr;
-
-	if (command == 0) {
-		org_stdout = stdout;
-		org_stderr = stderr;
-		stdout = fopen("/dev/null", "a");
-		stderr = fopen("/dev/null", "a");
-	} else {
-		fclose(stdout);
-		fclose(stderr);
-		stdout = org_stdout;
-		stderr = org_stderr;
-	}
-}
-
 /* return = 0 means we are successful.
  * -1 means go on doing what you were doing
  */
@@ -739,8 +656,7 @@ static int do_exit(void)
 		return 0;
 	}
 	res = btn_dialog(main_window,
-			_("Do you wish to save your "
-				"new barebox configuration?\n"
+			_("Do you wish to save your new configuration?\n"
 				"<ESC> to cancel and resume nconfig."),
 			2,
 			"   <save>   ",
@@ -753,36 +669,19 @@ static int do_exit(void)
 	/* if we got here, the user really wants to exit */
 	switch (res) {
 	case 0:
-		supress_stdout(0);
 		res = conf_write(filename);
-		supress_stdout(1);
 		if (res)
 			btn_dialog(
 				main_window,
-				_("Error during writing of the barebox "
-				  "configuration.\n"
-				  "Your barebox configuration "
-				  "changes were NOT saved."),
+				_("Error during writing of configuration.\n"
+				  "Your configuration changes were NOT saved."),
 				  1,
 				  "<OK>");
-		else {
-			char buf[1024];
-			snprintf(buf, 1024,
-				_("Configuration written to %s\n"
-				  "End of Linux barebox configuration.\n"
-				  "Execute 'make' to build the barebox or try"
-				  " 'make help'."), filename);
-			btn_dialog(
-				main_window,
-				buf,
-				1,
-				"<OK>");
-		}
 		break;
 	default:
 		btn_dialog(
 			main_window,
-			_("Your barebox configuration changes were NOT saved."),
+			_("Your configuration changes were NOT saved."),
 			1,
 			"<OK>");
 		break;
@@ -802,8 +701,8 @@ static void search_conf(void)
 again:
 	dres = dialog_inputbox(main_window,
 			_("Search Configuration Parameter"),
-			_("Enter CONFIG_ (sub)string to search for "
-				"(with or without \"CONFIG\")"),
+			_("Enter " CONFIG_ " (sub)string to search for "
+				"(with or without \"" CONFIG_ "\")"),
 			"", dialog_input_result, 99);
 	switch (dres) {
 	case 0:
@@ -816,10 +715,10 @@ again:
 		return;
 	}
 
-	/* strip CONFIG_ if necessary */
+	/* strip the prefix if necessary */
 	dialog_input = dialog_input_result;
-	if (strncasecmp(dialog_input_result, "CONFIG_", 7) == 0)
-		dialog_input += 7;
+	if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
+		dialog_input += strlen(CONFIG_);
 
 	sym_arr = sym_re_search(dialog_input);
 	res = get_relations_str(sym_arr);
@@ -1027,23 +926,18 @@ static void reset_menu(void)
 static void center_item(int selected_index, int *last_top_row)
 {
 	int toprow;
-	int maxy, maxx;
 
-	scale_menu(curses_menu, &maxy, &maxx);
 	set_top_row(curses_menu, *last_top_row);
 	toprow = top_row(curses_menu);
-	if (selected_index >= toprow && selected_index < toprow+maxy) {
-		/* we can only move the selected item. no need to scroll */
-		set_current_item(curses_menu,
-				curses_menu_items[selected_index]);
-	} else {
-		toprow = max(selected_index-maxy/2, 0);
-		if (toprow >= item_count(curses_menu)-maxy)
+	if (selected_index < toprow ||
+	    selected_index >= toprow+mwin_max_lines) {
+		toprow = max(selected_index-mwin_max_lines/2, 0);
+		if (toprow >= item_count(curses_menu)-mwin_max_lines)
 			toprow = item_count(curses_menu)-mwin_max_lines;
 		set_top_row(curses_menu, toprow);
-		set_current_item(curses_menu,
-				curses_menu_items[selected_index]);
 	}
+	set_current_item(curses_menu,
+			curses_menu_items[selected_index]);
 	*last_top_row = toprow;
 	post_menu(curses_menu);
 	refresh_all_windows(main_window);
@@ -1075,7 +969,7 @@ static void show_menu(const char *prompt, const char *instructions,
 	/* position the menu at the middle of the screen */
 	scale_menu(curses_menu, &maxy, &maxx);
 	maxx = min(maxx, mwin_max_cols-2);
-	maxy = mwin_max_lines-2;
+	maxy = mwin_max_lines;
 	menu_window = derwin(main_window,
 			maxy,
 			maxx,
@@ -1099,10 +993,77 @@ static void show_menu(const char *prompt, const char *instructions,
 	refresh_all_windows(main_window);
 }
 
+static void adj_match_dir(match_f *match_direction)
+{
+	if (*match_direction == FIND_NEXT_MATCH_DOWN)
+		*match_direction =
+			MATCH_TINKER_PATTERN_DOWN;
+	else if (*match_direction == FIND_NEXT_MATCH_UP)
+		*match_direction =
+			MATCH_TINKER_PATTERN_UP;
+	/* else, do no change.. */
+}
 
-static void conf(struct menu *menu)
+struct match_state
 {
+	int in_search;
+	match_f match_direction;
 	char pattern[256];
+};
+
+/* Return 0 means I have handled the key. In such a case, ans should hold the
+ * item to center, or -1 otherwise.
+ * Else return -1 .
+ */
+static int do_match(int key, struct match_state *state, int *ans)
+{
+	char c = (char) key;
+	int terminate_search = 0;
+	*ans = -1;
+	if (key == '/' || (state->in_search && key == 27)) {
+		move(0, 0);
+		refresh();
+		clrtoeol();
+		state->in_search = 1-state->in_search;
+		bzero(state->pattern, sizeof(state->pattern));
+		state->match_direction = MATCH_TINKER_PATTERN_DOWN;
+		return 0;
+	} else if (!state->in_search)
+		return 1;
+
+	if (isalnum(c) || isgraph(c) || c == ' ') {
+		state->pattern[strlen(state->pattern)] = c;
+		state->pattern[strlen(state->pattern)] = '\0';
+		adj_match_dir(&state->match_direction);
+		*ans = get_mext_match(state->pattern,
+				state->match_direction);
+	} else if (key == KEY_DOWN) {
+		state->match_direction = FIND_NEXT_MATCH_DOWN;
+		*ans = get_mext_match(state->pattern,
+				state->match_direction);
+	} else if (key == KEY_UP) {
+		state->match_direction = FIND_NEXT_MATCH_UP;
+		*ans = get_mext_match(state->pattern,
+				state->match_direction);
+	} else if (key == KEY_BACKSPACE || key == 127) {
+		state->pattern[strlen(state->pattern)-1] = '\0';
+		adj_match_dir(&state->match_direction);
+	} else
+		terminate_search = 1;
+
+	if (terminate_search) {
+		state->in_search = 0;
+		bzero(state->pattern, sizeof(state->pattern));
+		move(0, 0);
+		refresh();
+		clrtoeol();
+		return -1;
+	}
+	return 0;
+}
+
+static void conf(struct menu *menu)
+{
 	struct menu *submenu = 0;
 	const char *prompt = menu_get_prompt(menu);
 	struct symbol *sym;
@@ -1110,8 +1071,11 @@ static void conf(struct menu *menu)
 	int res;
 	int current_index = 0;
 	int last_top_row = 0;
-
-	bzero(pattern, sizeof(pattern));
+	struct match_state match_state = {
+		.in_search = 0,
+		.match_direction = MATCH_TINKER_PATTERN_DOWN,
+		.pattern = "",
+	};
 
 	while (!global_exit) {
 		reset_menu();
@@ -1124,7 +1088,22 @@ static void conf(struct menu *menu)
 				_(menu_instructions),
 				current_index, &last_top_row);
 		keypad((menu_win(curses_menu)), TRUE);
-		while (!global_exit && (res = wgetch(menu_win(curses_menu)))) {
+		while (!global_exit) {
+			if (match_state.in_search) {
+				mvprintw(0, 0,
+					"searching: %s", match_state.pattern);
+				clrtoeol();
+			}
+			refresh_all_windows(main_window);
+			res = wgetch(menu_win(curses_menu));
+			if (!res)
+				break;
+			if (do_match(res, &match_state, &current_index) == 0) {
+				if (current_index != -1)
+					center_item(current_index,
+						    &last_top_row);
+				continue;
+			}
 			if (process_special_keys(&res,
 						(struct menu *) item_data()))
 				break;
@@ -1155,19 +1134,13 @@ static void conf(struct menu *menu)
 			if (res == 10 || res == 27 ||
 				res == 32 || res == 'n' || res == 'y' ||
 				res == KEY_LEFT || res == KEY_RIGHT ||
-				res == 'm' || res == '/')
+				res == 'm')
 				break;
-			else if (canbhot(res)) {
-				/* check for hot keys: */
-				int tmp = get_next_hot(res);
-				if (tmp != -1)
-					center_item(tmp, &last_top_row);
-			}
 			refresh_all_windows(main_window);
 		}
 
 		refresh_all_windows(main_window);
-		/* if ESC  or left*/
+		/* if ESC or left*/
 		if (res == 27 || (menu != &rootmenu && res == KEY_LEFT))
 			break;
 
@@ -1235,23 +1208,30 @@ static void conf(struct menu *menu)
 			if (item_is_tag('t'))
 				sym_set_tristate_value(sym, mod);
 			break;
-		case '/':
-			search_conf();
-			break;
 		}
 	}
 }
 
+static void conf_message_callback(const char *fmt, va_list ap)
+{
+	char buf[1024];
+
+	vsnprintf(buf, sizeof(buf), fmt, ap);
+	btn_dialog(main_window, buf, 1, "<OK>");
+}
+
 static void show_help(struct menu *menu)
 {
 	struct gstr help = str_new();
 
 	if (menu && menu->sym && menu_has_help(menu)) {
 		if (menu->sym->name) {
-			str_printf(&help, "CONFIG_%s:\n\n", menu->sym->name);
+			str_printf(&help, "%s%s:\n\n", CONFIG_, menu->sym->name);
 			str_append(&help, _(menu_get_help(menu)));
 			str_append(&help, "\n");
 			get_symbol_str(&help, menu->sym);
+		} else {
+			str_append(&help, _(menu_get_help(menu)));
 		}
 	} else {
 		str_append(&help, nohelp_text);
@@ -1268,6 +1248,11 @@ static void conf_choice(struct menu *menu)
 	int selected_index = 0;
 	int last_top_row = 0;
 	int res, i = 0;
+	struct match_state match_state = {
+		.in_search = 0,
+		.match_direction = MATCH_TINKER_PATTERN_DOWN,
+		.pattern = "",
+	};
 
 	active = sym_get_choice_value(menu->sym);
 	/* this is mostly duplicated from the conf() function. */
@@ -1281,9 +1266,13 @@ static void conf_choice(struct menu *menu)
 			if (child->sym == sym_get_choice_value(menu->sym))
 				item_make(child, ':', "<X> %s",
 						_(menu_get_prompt(child)));
-			else
+			else if (child->sym)
 				item_make(child, ':', "    %s",
 						_(menu_get_prompt(child)));
+			else
+				item_make(child, ':', "*** %s ***",
+						_(menu_get_prompt(child)));
+
 			if (child->sym == active){
 				last_top_row = top_row(curses_menu);
 				selected_index = i;
@@ -1294,7 +1283,22 @@ static void conf_choice(struct menu *menu)
 				_(radiolist_instructions),
 				selected_index,
 				&last_top_row);
-		while (!global_exit && (res = wgetch(menu_win(curses_menu)))) {
+		while (!global_exit) {
+			if (match_state.in_search) {
+				mvprintw(0, 0, "searching: %s",
+					 match_state.pattern);
+				clrtoeol();
+			}
+			refresh_all_windows(main_window);
+			res = wgetch(menu_win(curses_menu));
+			if (!res)
+				break;
+			if (do_match(res, &match_state, &selected_index) == 0) {
+				if (selected_index != -1)
+					center_item(selected_index,
+						    &last_top_row);
+				continue;
+			}
 			if (process_special_keys(
 						&res,
 						(struct menu *) item_data()))
@@ -1324,13 +1328,8 @@ static void conf_choice(struct menu *menu)
 				break;
 			}
 			if (res == 10 || res == 27 || res == ' ' ||
-				res == KEY_LEFT)
+					res == KEY_LEFT){
 				break;
-			else if (canbhot(res)) {
-				/* check for hot keys: */
-				int tmp = get_next_hot(res);
-				if (tmp != -1)
-					center_item(tmp, &last_top_row);
 			}
 			refresh_all_windows(main_window);
 		}
@@ -1339,7 +1338,7 @@ static void conf_choice(struct menu *menu)
 			break;
 
 		child = item_data();
-		if (!child || !menu_is_visible(child))
+		if (!child || !menu_is_visible(child) || !child->sym)
 			continue;
 		switch (res) {
 		case ' ':
@@ -1449,16 +1448,8 @@ static void conf_save(void)
 		case 0:
 			if (!dialog_input_result[0])
 				return;
-			supress_stdout(0);
 			res = conf_write(dialog_input_result);
-			supress_stdout(1);
 			if (!res) {
-				char buf[1024];
-				sprintf(buf, "%s %s",
-					_("configuration file saved to: "),
-					dialog_input_result);
-				btn_dialog(main_window,
-					   buf, 1, "<OK>");
 				set_config_filename(dialog_input_result);
 				return;
 			}
@@ -1485,7 +1476,7 @@ void setup_windows(void)
 	/* set up the menu and menu window */
 	main_window = newwin(LINES-2, COLS-2, 2, 1);
 	keypad(main_window, TRUE);
-	mwin_max_lines = LINES-6;
+	mwin_max_lines = LINES-7;
 	mwin_max_cols = COLS-6;
 
 	/* panels order is from bottom to top */
@@ -1532,9 +1523,10 @@ int main(int ac, char **av)
 	/* set btns menu */
 	curses_menu = new_menu(curses_menu_items);
 	menu_opts_off(curses_menu, O_SHOWDESC);
-	menu_opts_off(curses_menu, O_SHOWMATCH);
+	menu_opts_on(curses_menu, O_SHOWMATCH);
 	menu_opts_on(curses_menu, O_ONEVALUE);
 	menu_opts_on(curses_menu, O_NONCYCLIC);
+	menu_opts_on(curses_menu, O_IGNORECASE);
 	set_menu_mark(curses_menu, " ");
 	set_menu_fore(curses_menu, attributes[MAIN_MENU_FORE]);
 	set_menu_back(curses_menu, attributes[MAIN_MENU_BACK]);
@@ -1550,8 +1542,7 @@ int main(int ac, char **av)
 				_(menu_no_f_instructions));
 	}
 
-
-
+	conf_set_message_callback(conf_message_callback);
 	/* do the work */
 	while (!global_exit) {
 		conf(&rootmenu);
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index a9d9344e13..f8137b3a53 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -137,7 +137,7 @@ void set_colors()
 	if (has_colors()) {
 		normal_color_theme();
 	} else {
-		/* give deafults */
+		/* give defaults */
 		no_colors_theme();
 	}
 }
@@ -167,7 +167,7 @@ void print_in_middle(WINDOW *win,
 	length = strlen(string);
 	temp = (width - length) / 2;
 	x = startx + (int)temp;
-	wattrset(win, color);
+	(void) wattrset(win, color);
 	mvwprintw(win, y, x, "%s", string);
 	refresh();
 }
@@ -297,11 +297,11 @@ int btn_dialog(WINDOW *main_window, const char *msg, int btn_num, ...)
 	set_menu_fore(menu, attributes[DIALOG_MENU_FORE]);
 	set_menu_back(menu, attributes[DIALOG_MENU_BACK]);
 
-	wattrset(win, attributes[DIALOG_BOX]);
+	(void) wattrset(win, attributes[DIALOG_BOX]);
 	box(win, 0, 0);
 
 	/* print message */
-	wattrset(msg_win, attributes[DIALOG_TEXT]);
+	(void) wattrset(msg_win, attributes[DIALOG_TEXT]);
 	fill_window(msg_win, msg);
 
 	set_menu_win(menu, win);
@@ -392,16 +392,16 @@ int dialog_inputbox(WINDOW *main_window,
 	form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
 	keypad(form_win, TRUE);
 
-	wattrset(form_win, attributes[INPUT_FIELD]);
+	(void) wattrset(form_win, attributes[INPUT_FIELD]);
 
-	wattrset(win, attributes[INPUT_BOX]);
+	(void) wattrset(win, attributes[INPUT_BOX]);
 	box(win, 0, 0);
-	wattrset(win, attributes[INPUT_HEADING]);
+	(void) wattrset(win, attributes[INPUT_HEADING]);
 	if (title)
 		mvwprintw(win, 0, 3, "%s", title);
 
 	/* print message */
-	wattrset(prompt_win, attributes[INPUT_TEXT]);
+	(void) wattrset(prompt_win, attributes[INPUT_TEXT]);
 	fill_window(prompt_win, prompt);
 
 	mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
@@ -531,7 +531,7 @@ void show_scroll_win(WINDOW *main_window,
 
 	/* create the pad */
 	pad = newpad(total_lines+10, total_cols+10);
-	wattrset(pad, attributes[SCROLLWIN_TEXT]);
+	(void) wattrset(pad, attributes[SCROLLWIN_TEXT]);
 	fill_window(pad, text);
 
 	win_lines = min(total_lines+4, LINES-2);
@@ -546,9 +546,9 @@ void show_scroll_win(WINDOW *main_window,
 	win = newwin(win_lines, win_cols, y, x);
 	keypad(win, TRUE);
 	/* show the help in the help window, and show the help panel */
-	wattrset(win, attributes[SCROLLWIN_BOX]);
+	(void) wattrset(win, attributes[SCROLLWIN_BOX]);
 	box(win, 0, 0);
-	wattrset(win, attributes[SCROLLWIN_HEADING]);
+	(void) wattrset(win, attributes[SCROLLWIN_HEADING]);
 	mvwprintw(win, 0, 3, " %s ", title);
 	panel = new_panel(win);
 
diff --git a/scripts/kconfig/nconf.h b/scripts/kconfig/nconf.h
index fb42966660..58fbda8fc0 100644
--- a/scripts/kconfig/nconf.h
+++ b/scripts/kconfig/nconf.h
@@ -69,7 +69,8 @@ typedef enum {
 	F_BACK = 5,
 	F_SAVE = 6,
 	F_LOAD = 7,
-	F_EXIT = 8
+	F_SEARCH = 8,
+	F_EXIT = 9,
 } function_key;
 
 void set_colors(void);
diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index 546c6bfd74..16b267431a 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -3,25 +3,42 @@
  * Released under the terms of the GNU GPL v2.0.
  */
 
-#include <qapplication.h>
+#include <qglobal.h>
+
+#if QT_VERSION < 0x040000
 #include <qmainwindow.h>
+#include <qvbox.h>
+#include <qvaluelist.h>
+#include <qtextbrowser.h>
+#include <qaction.h>
+#include <qheader.h>
+#include <qfiledialog.h>
+#include <qdragobject.h>
+#include <qpopupmenu.h>
+#else
+#include <q3mainwindow.h>
+#include <q3vbox.h>
+#include <q3valuelist.h>
+#include <q3textbrowser.h>
+#include <q3action.h>
+#include <q3header.h>
+#include <q3filedialog.h>
+#include <q3dragobject.h>
+#include <q3popupmenu.h>
+#endif
+
+#include <qapplication.h>
 #include <qdesktopwidget.h>
 #include <qtoolbar.h>
 #include <qlayout.h>
-#include <qvbox.h>
 #include <qsplitter.h>
-#include <qlistview.h>
-#include <qtextbrowser.h>
 #include <qlineedit.h>
 #include <qlabel.h>
 #include <qpushbutton.h>
 #include <qmenubar.h>
 #include <qmessagebox.h>
-#include <qaction.h>
-#include <qheader.h>
-#include <qfiledialog.h>
-#include <qdragobject.h>
 #include <qregexp.h>
+#include <qevent.h>
 
 #include <stdlib.h>
 
@@ -39,7 +56,7 @@
 static QApplication *configApp;
 static ConfigSettings *configSettings;
 
-QAction *ConfigMainWindow::saveAction;
+Q3Action *ConfigMainWindow::saveAction;
 
 static inline QString qgettext(const char* str)
 {
@@ -54,9 +71,9 @@ static inline QString qgettext(const QString& str)
 /**
  * Reads a list of integer values from the application settings.
  */
-QValueList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
+Q3ValueList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
 {
-	QValueList<int> result;
+	Q3ValueList<int> result;
 	QStringList entryList = readListEntry(key, ok);
 	QStringList::Iterator it;
 
@@ -69,10 +86,10 @@ QValueList<int> ConfigSettings::readSizes(const QString& key, bool *ok)
 /**
  * Writes a list of integer values to the application settings.
  */
-bool ConfigSettings::writeSizes(const QString& key, const QValueList<int>& value)
+bool ConfigSettings::writeSizes(const QString& key, const Q3ValueList<int>& value)
 {
 	QStringList stringList;
-	QValueList<int>::ConstIterator it;
+	Q3ValueList<int>::ConstIterator it;
 
 	for (it = value.begin(); it != value.end(); ++it)
 		stringList.push_back(QString::number(*it));
@@ -80,7 +97,6 @@ bool ConfigSettings::writeSizes(const QString& key, const QValueList<int>& value
 }
 
 
-#if QT_VERSION >= 300
 /*
  * set the new data
  * TODO check the value
@@ -91,7 +107,6 @@ void ConfigItem::okRename(int col)
 	sym_set_string_value(menu->sym, text(dataColIdx).latin1());
 	listView()->updateList(this);
 }
-#endif
 
 /*
  * update the displayed of a menu entry
@@ -195,11 +210,9 @@ void ConfigItem::updateMenu(void)
 
 		data = sym_get_string_value(sym);
 
-#if QT_VERSION >= 300
 		int i = list->mapIdx(dataColIdx);
 		if (i >= 0)
 			setRenameEnabled(i, TRUE);
-#endif
 		setText(dataColIdx, data);
 		if (type == S_STRING)
 			prompt = QString("%1: %2").arg(prompt).arg(data);
@@ -432,7 +445,7 @@ void ConfigList::updateList(ConfigItem* item)
 	if (!rootEntry) {
 		if (mode != listMode)
 			goto update;
-		QListViewItemIterator it(this);
+		Q3ListViewItemIterator it(this);
 		ConfigItem* item;
 
 		for (; it.current(); ++it) {
@@ -527,11 +540,9 @@ void ConfigList::changeValue(ConfigItem* item)
 	case S_INT:
 	case S_HEX:
 	case S_STRING:
-#if QT_VERSION >= 300
 		if (colMap[dataColIdx] >= 0)
 			item->startRename(colMap[dataColIdx]);
 		else
-#endif
 			parent()->lineEdit->show(item);
 		break;
 	}
@@ -563,7 +574,7 @@ void ConfigList::setParentMenu(void)
 		return;
 	setRootMenu(menu_get_parent_menu(rootEntry->parent));
 
-	QListViewItemIterator it(this);
+	Q3ListViewItemIterator it(this);
 	for (; (item = (ConfigItem*)it.current()); it++) {
 		if (item->menu == oldroot) {
 			setCurrentItem(item);
@@ -645,7 +656,7 @@ void ConfigList::updateMenuList(P* parent, struct menu* menu)
 
 void ConfigList::keyPressEvent(QKeyEvent* ev)
 {
-	QListViewItem* i = currentItem();
+	Q3ListViewItem* i = currentItem();
 	ConfigItem* item;
 	struct menu *menu;
 	enum prop_type type;
@@ -811,10 +822,10 @@ void ConfigList::contextMenuEvent(QContextMenuEvent *e)
 {
 	if (e->y() <= header()->geometry().bottom()) {
 		if (!headerPopup) {
-			QAction *action;
+			Q3Action *action;
 
-			headerPopup = new QPopupMenu(this);
-			action = new QAction(NULL, _("Show Name"), 0, this);
+			headerPopup = new Q3PopupMenu(this);
+			action = new Q3Action(NULL, _("Show Name"), 0, this);
 			  action->setToggleAction(TRUE);
 			  connect(action, SIGNAL(toggled(bool)),
 				  parent(), SLOT(setShowName(bool)));
@@ -822,7 +833,7 @@ void ConfigList::contextMenuEvent(QContextMenuEvent *e)
 				  action, SLOT(setOn(bool)));
 			  action->setOn(showName);
 			  action->addTo(headerPopup);
-			action = new QAction(NULL, _("Show Range"), 0, this);
+			action = new Q3Action(NULL, _("Show Range"), 0, this);
 			  action->setToggleAction(TRUE);
 			  connect(action, SIGNAL(toggled(bool)),
 				  parent(), SLOT(setShowRange(bool)));
@@ -830,7 +841,7 @@ void ConfigList::contextMenuEvent(QContextMenuEvent *e)
 				  action, SLOT(setOn(bool)));
 			  action->setOn(showRange);
 			  action->addTo(headerPopup);
-			action = new QAction(NULL, _("Show Data"), 0, this);
+			action = new Q3Action(NULL, _("Show Data"), 0, this);
 			  action->setToggleAction(TRUE);
 			  connect(action, SIGNAL(toggled(bool)),
 				  parent(), SLOT(setShowData(bool)));
@@ -914,7 +925,7 @@ void ConfigView::setShowData(bool b)
 
 void ConfigList::setAllOpen(bool open)
 {
-	QListViewItemIterator it(this);
+	Q3ListViewItemIterator it(this);
 
 	for (; it.current(); it++)
 		it.current()->setOpen(open);
@@ -937,7 +948,7 @@ void ConfigView::updateListAll(void)
 }
 
 ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
-	: Parent(parent, name), sym(0), menu(0)
+	: Parent(parent, name), sym(0), _menu(0)
 {
 	if (name) {
 		configSettings->beginGroup(name);
@@ -960,7 +971,7 @@ void ConfigInfoView::setShowDebug(bool b)
 {
 	if (_showDebug != b) {
 		_showDebug = b;
-		if (menu)
+		if (_menu)
 			menuInfo();
 		else if (sym)
 			symbolInfo();
@@ -970,11 +981,11 @@ void ConfigInfoView::setShowDebug(bool b)
 
 void ConfigInfoView::setInfo(struct menu *m)
 {
-	if (menu == m)
+	if (_menu == m)
 		return;
-	menu = m;
+	_menu = m;
 	sym = NULL;
-	if (!menu)
+	if (!_menu)
 		clear();
 	else
 		menuInfo();
@@ -1001,11 +1012,11 @@ void ConfigInfoView::menuInfo(void)
 	struct symbol* sym;
 	QString head, debug, help;
 
-	sym = menu->sym;
+	sym = _menu->sym;
 	if (sym) {
-		if (menu->prompt) {
+		if (_menu->prompt) {
 			head += "<big><b>";
-			head += print_filter(_(menu->prompt->text));
+			head += print_filter(_(_menu->prompt->text));
 			head += "</b></big>";
 			if (sym->name) {
 				head += " (";
@@ -1031,23 +1042,23 @@ void ConfigInfoView::menuInfo(void)
 			debug = debug_info(sym);
 
 		struct gstr help_gstr = str_new();
-		menu_get_ext_help(menu, &help_gstr);
+		menu_get_ext_help(_menu, &help_gstr);
 		help = print_filter(str_get(&help_gstr));
 		str_free(&help_gstr);
-	} else if (menu->prompt) {
+	} else if (_menu->prompt) {
 		head += "<big><b>";
-		head += print_filter(_(menu->prompt->text));
+		head += print_filter(_(_menu->prompt->text));
 		head += "</b></big><br><br>";
 		if (showDebug()) {
-			if (menu->prompt->visible.expr) {
+			if (_menu->prompt->visible.expr) {
 				debug += "&nbsp;&nbsp;dep: ";
-				expr_print(menu->prompt->visible.expr, expr_print_help, &debug, E_NONE);
+				expr_print(_menu->prompt->visible.expr, expr_print_help, &debug, E_NONE);
 				debug += "<br><br>";
 			}
 		}
 	}
 	if (showDebug())
-		debug += QString().sprintf("defined at %s:%d<br><br>", menu->file->name, menu->lineno);
+		debug += QString().sprintf("defined at %s:%d<br><br>", _menu->file->name, _menu->lineno);
 
 	setText(head + debug + help);
 }
@@ -1150,10 +1161,10 @@ void ConfigInfoView::expr_print_help(void *data, struct symbol *sym, const char
 		*text += str2;
 }
 
-QPopupMenu* ConfigInfoView::createPopupMenu(const QPoint& pos)
+Q3PopupMenu* ConfigInfoView::createPopupMenu(const QPoint& pos)
 {
-	QPopupMenu* popup = Parent::createPopupMenu(pos);
-	QAction* action = new QAction(NULL, _("Show Debug Info"), 0, popup);
+	Q3PopupMenu* popup = Parent::createPopupMenu(pos);
+	Q3Action* action = new Q3Action(NULL, _("Show Debug Info"), 0, popup);
 	  action->setToggleAction(TRUE);
 	  connect(action, SIGNAL(toggled(bool)), SLOT(setShowDebug(bool)));
 	  connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setOn(bool)));
@@ -1210,7 +1221,7 @@ ConfigSearchWindow::ConfigSearchWindow(ConfigMainWindow* parent, const char *nam
 			y = configSettings->readNumEntry("/window y", 0, &ok);
 		if (ok)
 			move(x, y);
-		QValueList<int> sizes = configSettings->readSizes("/split", &ok);
+		Q3ValueList<int> sizes = configSettings->readSizes("/split", &ok);
 		if (ok)
 			split->setSizes(sizes);
 		configSettings->endGroup();
@@ -1263,8 +1274,14 @@ ConfigMainWindow::ConfigMainWindow(void)
 	char title[256];
 
 	QDesktopWidget *d = configApp->desktop();
-	snprintf(title, sizeof(title), _("Barebox v%s Configuration"),
-		getenv("KERNELVERSION"));
+	snprintf(title, sizeof(title), "%s%s",
+		rootmenu.prompt->text,
+#if QT_VERSION < 0x040000
+		" (Qt3)"
+#else
+		""
+#endif
+		);
 	setCaption(title);
 
 	width = configSettings->readNumEntry("/window width", d->width() - 64);
@@ -1297,42 +1314,42 @@ ConfigMainWindow::ConfigMainWindow(void)
 	configList->setFocus();
 
 	menu = menuBar();
-	toolBar = new QToolBar("Tools", this);
+	toolBar = new Q3ToolBar("Tools", this);
 
-	backAction = new QAction("Back", QPixmap(xpm_back), _("Back"), 0, this);
+	backAction = new Q3Action("Back", QPixmap(xpm_back), _("Back"), 0, this);
 	  connect(backAction, SIGNAL(activated()), SLOT(goBack()));
 	  backAction->setEnabled(FALSE);
-	QAction *quitAction = new QAction("Quit", _("&Quit"), Qt::CTRL + Qt::Key_Q, this);
+	Q3Action *quitAction = new Q3Action("Quit", _("&Quit"), Qt::CTRL + Qt::Key_Q, this);
 	  connect(quitAction, SIGNAL(activated()), SLOT(close()));
-	QAction *loadAction = new QAction("Load", QPixmap(xpm_load), _("&Load"), Qt::CTRL + Qt::Key_L, this);
+	Q3Action *loadAction = new Q3Action("Load", QPixmap(xpm_load), _("&Load"), Qt::CTRL + Qt::Key_L, this);
 	  connect(loadAction, SIGNAL(activated()), SLOT(loadConfig()));
-	saveAction = new QAction("Save", QPixmap(xpm_save), _("&Save"), Qt::CTRL + Qt::Key_S, this);
+	saveAction = new Q3Action("Save", QPixmap(xpm_save), _("&Save"), Qt::CTRL + Qt::Key_S, this);
 	  connect(saveAction, SIGNAL(activated()), SLOT(saveConfig()));
 	conf_set_changed_callback(conf_changed);
 	// Set saveAction's initial state
 	conf_changed();
-	QAction *saveAsAction = new QAction("Save As...", _("Save &As..."), 0, this);
+	Q3Action *saveAsAction = new Q3Action("Save As...", _("Save &As..."), 0, this);
 	  connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs()));
-	QAction *searchAction = new QAction("Find", _("&Find"), Qt::CTRL + Qt::Key_F, this);
+	Q3Action *searchAction = new Q3Action("Find", _("&Find"), Qt::CTRL + Qt::Key_F, this);
 	  connect(searchAction, SIGNAL(activated()), SLOT(searchConfig()));
-	QAction *singleViewAction = new QAction("Single View", QPixmap(xpm_single_view), _("Single View"), 0, this);
+	Q3Action *singleViewAction = new Q3Action("Single View", QPixmap(xpm_single_view), _("Single View"), 0, this);
 	  connect(singleViewAction, SIGNAL(activated()), SLOT(showSingleView()));
-	QAction *splitViewAction = new QAction("Split View", QPixmap(xpm_split_view), _("Split View"), 0, this);
+	Q3Action *splitViewAction = new Q3Action("Split View", QPixmap(xpm_split_view), _("Split View"), 0, this);
 	  connect(splitViewAction, SIGNAL(activated()), SLOT(showSplitView()));
-	QAction *fullViewAction = new QAction("Full View", QPixmap(xpm_tree_view), _("Full View"), 0, this);
+	Q3Action *fullViewAction = new Q3Action("Full View", QPixmap(xpm_tree_view), _("Full View"), 0, this);
 	  connect(fullViewAction, SIGNAL(activated()), SLOT(showFullView()));
 
-	QAction *showNameAction = new QAction(NULL, _("Show Name"), 0, this);
+	Q3Action *showNameAction = new Q3Action(NULL, _("Show Name"), 0, this);
 	  showNameAction->setToggleAction(TRUE);
 	  connect(showNameAction, SIGNAL(toggled(bool)), configView, SLOT(setShowName(bool)));
 	  connect(configView, SIGNAL(showNameChanged(bool)), showNameAction, SLOT(setOn(bool)));
 	  showNameAction->setOn(configView->showName());
-	QAction *showRangeAction = new QAction(NULL, _("Show Range"), 0, this);
+	Q3Action *showRangeAction = new Q3Action(NULL, _("Show Range"), 0, this);
 	  showRangeAction->setToggleAction(TRUE);
 	  connect(showRangeAction, SIGNAL(toggled(bool)), configView, SLOT(setShowRange(bool)));
 	  connect(configView, SIGNAL(showRangeChanged(bool)), showRangeAction, SLOT(setOn(bool)));
 	  showRangeAction->setOn(configList->showRange);
-	QAction *showDataAction = new QAction(NULL, _("Show Data"), 0, this);
+	Q3Action *showDataAction = new Q3Action(NULL, _("Show Data"), 0, this);
 	  showDataAction->setToggleAction(TRUE);
 	  connect(showDataAction, SIGNAL(toggled(bool)), configView, SLOT(setShowData(bool)));
 	  connect(configView, SIGNAL(showDataChanged(bool)), showDataAction, SLOT(setOn(bool)));
@@ -1345,9 +1362,15 @@ ConfigMainWindow::ConfigMainWindow(void)
 	connect(optGroup, SIGNAL(selected(QAction *)), menuView,
 		SLOT(setOptionMode(QAction *)));
 
-	configView->showNormalAction = new QAction(NULL, _("Show Normal Options"), 0, optGroup);
-	configView->showAllAction = new QAction(NULL, _("Show All Options"), 0, optGroup);
-	configView->showPromptAction = new QAction(NULL, _("Show Prompt Options"), 0, optGroup);
+#if QT_VERSION >= 0x040000
+	configView->showNormalAction = new QAction(_("Show Normal Options"), optGroup);
+	configView->showAllAction = new QAction(_("Show All Options"), optGroup);
+	configView->showPromptAction = new QAction(_("Show Prompt Options"), optGroup);
+#else
+	configView->showNormalAction = new QAction(_("Show Normal Options"), 0, optGroup);
+	configView->showAllAction = new QAction(_("Show All Options"), 0, optGroup);
+	configView->showPromptAction = new QAction(_("Show Prompt Options"), 0, optGroup);
+#endif
 	configView->showNormalAction->setToggleAction(TRUE);
 	configView->showNormalAction->setOn(configList->optMode == normalOpt);
 	configView->showAllAction->setToggleAction(TRUE);
@@ -1355,15 +1378,15 @@ ConfigMainWindow::ConfigMainWindow(void)
 	configView->showPromptAction->setToggleAction(TRUE);
 	configView->showPromptAction->setOn(configList->optMode == promptOpt);
 
-	QAction *showDebugAction = new QAction(NULL, _("Show Debug Info"), 0, this);
+	Q3Action *showDebugAction = new Q3Action(NULL, _("Show Debug Info"), 0, this);
 	  showDebugAction->setToggleAction(TRUE);
 	  connect(showDebugAction, SIGNAL(toggled(bool)), helpText, SLOT(setShowDebug(bool)));
 	  connect(helpText, SIGNAL(showDebugChanged(bool)), showDebugAction, SLOT(setOn(bool)));
 	  showDebugAction->setOn(helpText->showDebug());
 
-	QAction *showIntroAction = new QAction(NULL, _("Introduction"), 0, this);
+	Q3Action *showIntroAction = new Q3Action(NULL, _("Introduction"), 0, this);
 	  connect(showIntroAction, SIGNAL(activated()), SLOT(showIntro()));
-	QAction *showAboutAction = new QAction(NULL, _("About"), 0, this);
+	Q3Action *showAboutAction = new Q3Action(NULL, _("About"), 0, this);
 	  connect(showAboutAction, SIGNAL(activated()), SLOT(showAbout()));
 
 	// init tool bar
@@ -1377,7 +1400,7 @@ ConfigMainWindow::ConfigMainWindow(void)
 	fullViewAction->addTo(toolBar);
 
 	// create config menu
-	QPopupMenu* config = new QPopupMenu(this);
+	Q3PopupMenu* config = new Q3PopupMenu(this);
 	menu->insertItem(_("&File"), config);
 	loadAction->addTo(config);
 	saveAction->addTo(config);
@@ -1386,12 +1409,12 @@ ConfigMainWindow::ConfigMainWindow(void)
 	quitAction->addTo(config);
 
 	// create edit menu
-	QPopupMenu* editMenu = new QPopupMenu(this);
+	Q3PopupMenu* editMenu = new Q3PopupMenu(this);
 	menu->insertItem(_("&Edit"), editMenu);
 	searchAction->addTo(editMenu);
 
 	// create options menu
-	QPopupMenu* optionMenu = new QPopupMenu(this);
+	Q3PopupMenu* optionMenu = new Q3PopupMenu(this);
 	menu->insertItem(_("&Option"), optionMenu);
 	showNameAction->addTo(optionMenu);
 	showRangeAction->addTo(optionMenu);
@@ -1399,10 +1422,9 @@ ConfigMainWindow::ConfigMainWindow(void)
 	optionMenu->insertSeparator();
 	optGroup->addTo(optionMenu);
 	optionMenu->insertSeparator();
-	showDebugAction->addTo(optionMenu);
 
 	// create help menu
-	QPopupMenu* helpMenu = new QPopupMenu(this);
+	Q3PopupMenu* helpMenu = new Q3PopupMenu(this);
 	menu->insertSeparator();
 	menu->insertItem(_("&Help"), helpMenu);
 	showIntroAction->addTo(helpMenu);
@@ -1437,7 +1459,7 @@ ConfigMainWindow::ConfigMainWindow(void)
 		showSplitView();
 
 	// UI setup done, restore splitter positions
-	QValueList<int> sizes = configSettings->readSizes("/split1", &ok);
+	Q3ValueList<int> sizes = configSettings->readSizes("/split1", &ok);
 	if (ok)
 		split1->setSizes(sizes);
 
@@ -1448,7 +1470,7 @@ ConfigMainWindow::ConfigMainWindow(void)
 
 void ConfigMainWindow::loadConfig(void)
 {
-	QString s = QFileDialog::getOpenFileName(conf_get_configname(), NULL, this);
+	QString s = Q3FileDialog::getOpenFileName(conf_get_configname(), NULL, this);
 	if (s.isNull())
 		return;
 	if (conf_read(QFile::encodeName(s)))
@@ -1464,7 +1486,7 @@ void ConfigMainWindow::saveConfig(void)
 
 void ConfigMainWindow::saveConfigAs(void)
 {
-	QString s = QFileDialog::getSaveFileName(conf_get_configname(), NULL, this);
+	QString s = Q3FileDialog::getSaveFileName(conf_get_configname(), NULL, this);
 	if (s.isNull())
 		return;
 	if (conf_write(QFile::encodeName(s)))
@@ -1633,7 +1655,7 @@ void ConfigMainWindow::closeEvent(QCloseEvent* e)
 
 void ConfigMainWindow::showIntro(void)
 {
-	static const QString str = _("Welcome to the qconf graphical barebox configuration tool for Linux.\n\n"
+	static const QString str = _("Welcome to the qconf graphical configuration tool.\n\n"
 		"For each option, a blank box indicates the feature is disabled, a check\n"
 		"indicates it is enabled, and a dot indicates that it is to be compiled\n"
 		"as a module.  Clicking on the box will cycle through the three states.\n\n"
diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h
index 636a74b23b..91677d900d 100644
--- a/scripts/kconfig/qconf.h
+++ b/scripts/kconfig/qconf.h
@@ -3,26 +3,25 @@
  * Released under the terms of the GNU GPL v2.0.
  */
 
+#if QT_VERSION < 0x040000
 #include <qlistview.h>
-#if QT_VERSION >= 300
-#include <qsettings.h>
 #else
-class QSettings {
-public:
-	void beginGroup(const QString& group) { }
-	void endGroup(void) { }
-	bool readBoolEntry(const QString& key, bool def = FALSE, bool* ok = 0) const
-	{ if (ok) *ok = FALSE; return def; }
-	int readNumEntry(const QString& key, int def = 0, bool* ok = 0) const
-	{ if (ok) *ok = FALSE; return def; }
-	QString readEntry(const QString& key, const QString& def = QString::null, bool* ok = 0) const
-	{ if (ok) *ok = FALSE; return def; }
-	QStringList readListEntry(const QString& key, bool* ok = 0) const
-	{ if (ok) *ok = FALSE; return QStringList(); }
-	template <class t>
-	bool writeEntry(const QString& key, t value)
-	{ return TRUE; }
-};
+#include <q3listview.h>
+#endif
+#include <qsettings.h>
+
+#if QT_VERSION < 0x040000
+#define Q3ValueList             QValueList
+#define Q3PopupMenu             QPopupMenu
+#define Q3ListView              QListView
+#define Q3ListViewItem          QListViewItem
+#define Q3VBox                  QVBox
+#define Q3TextBrowser           QTextBrowser
+#define Q3MainWindow            QMainWindow
+#define Q3Action                QAction
+#define Q3ToolBar               QToolBar
+#define Q3ListViewItemIterator  QListViewItemIterator
+#define Q3FileDialog            QFileDialog
 #endif
 
 class ConfigView;
@@ -31,11 +30,10 @@ class ConfigItem;
 class ConfigLineEdit;
 class ConfigMainWindow;
 
-
 class ConfigSettings : public QSettings {
 public:
-	QValueList<int> readSizes(const QString& key, bool *ok);
-	bool writeSizes(const QString& key, const QValueList<int>& value);
+	Q3ValueList<int> readSizes(const QString& key, bool *ok);
+	bool writeSizes(const QString& key, const Q3ValueList<int>& value);
 };
 
 enum colIdx {
@@ -48,9 +46,9 @@ enum optionMode {
 	normalOpt = 0, allOpt, promptOpt
 };
 
-class ConfigList : public QListView {
+class ConfigList : public Q3ListView {
 	Q_OBJECT
-	typedef class QListView Parent;
+	typedef class Q3ListView Parent;
 public:
 	ConfigList(ConfigView* p, const char *name = 0);
 	void reinit(void);
@@ -135,17 +133,17 @@ public:
 	struct menu *rootEntry;
 	QColorGroup disabledColorGroup;
 	QColorGroup inactivedColorGroup;
-	QPopupMenu* headerPopup;
+	Q3PopupMenu* headerPopup;
 
 private:
 	int colMap[colNr];
 	int colRevMap[colNr];
 };
 
-class ConfigItem : public QListViewItem {
-	typedef class QListViewItem Parent;
+class ConfigItem : public Q3ListViewItem {
+	typedef class Q3ListViewItem Parent;
 public:
-	ConfigItem(QListView *parent, ConfigItem *after, struct menu *m, bool v)
+	ConfigItem(Q3ListView *parent, ConfigItem *after, struct menu *m, bool v)
 	: Parent(parent, after), menu(m), visible(v), goParent(false)
 	{
 		init();
@@ -155,16 +153,14 @@ public:
 	{
 		init();
 	}
-	ConfigItem(QListView *parent, ConfigItem *after, bool v)
+	ConfigItem(Q3ListView *parent, ConfigItem *after, bool v)
 	: Parent(parent, after), menu(0), visible(v), goParent(true)
 	{
 		init();
 	}
 	~ConfigItem(void);
 	void init(void);
-#if QT_VERSION >= 300
 	void okRename(int col);
-#endif
 	void updateMenu(void);
 	void testUpdateMenu(bool v);
 	ConfigList* listView() const
@@ -219,9 +215,9 @@ public:
 	ConfigItem *item;
 };
 
-class ConfigView : public QVBox {
+class ConfigView : public Q3VBox {
 	Q_OBJECT
-	typedef class QVBox Parent;
+	typedef class Q3VBox Parent;
 public:
 	ConfigView(QWidget* parent, const char *name = 0);
 	~ConfigView(void);
@@ -252,9 +248,9 @@ public:
 	static QAction *showPromptAction;
 };
 
-class ConfigInfoView : public QTextBrowser {
+class ConfigInfoView : public Q3TextBrowser {
 	Q_OBJECT
-	typedef class QTextBrowser Parent;
+	typedef class Q3TextBrowser Parent;
 public:
 	ConfigInfoView(QWidget* parent, const char *name = 0);
 	bool showDebug(void) const { return _showDebug; }
@@ -274,11 +270,11 @@ protected:
 	QString debug_info(struct symbol *sym);
 	static QString print_filter(const QString &str);
 	static void expr_print_help(void *data, struct symbol *sym, const char *str);
-	QPopupMenu* createPopupMenu(const QPoint& pos);
+	Q3PopupMenu* createPopupMenu(const QPoint& pos);
 	void contentsContextMenuEvent(QContextMenuEvent *e);
 
 	struct symbol *sym;
-	struct menu *menu;
+	struct menu *_menu;
 	bool _showDebug;
 };
 
@@ -302,10 +298,10 @@ protected:
 	struct symbol **result;
 };
 
-class ConfigMainWindow : public QMainWindow {
+class ConfigMainWindow : public Q3MainWindow {
 	Q_OBJECT
 
-	static QAction *saveAction;
+	static Q3Action *saveAction;
 	static void conf_changed(void);
 public:
 	ConfigMainWindow(void);
@@ -334,8 +330,8 @@ protected:
 	ConfigView *configView;
 	ConfigList *configList;
 	ConfigInfoView *helpText;
-	QToolBar *toolBar;
-	QAction *backAction;
+	Q3ToolBar *toolBar;
+	Q3Action *backAction;
 	QSplitter* split1;
 	QSplitter* split2;
 };
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index bf941fa084..4014971ec7 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -42,6 +42,8 @@
 #    mv config_strip .config
 #    make oldconfig
 #
+use strict;
+
 my $config = ".config";
 
 my $uname = `uname -r`;
@@ -123,7 +125,6 @@ my %selects;
 my %prompts;
 my %objects;
 my $var;
-my $cont = 0;
 my $iflevel = 0;
 my @ifdeps;
 
@@ -137,19 +138,45 @@ sub read_kconfig {
     my $config;
     my @kconfigs;
 
-    open(KIN, "$ksource/$kconfig") || die "Can't open $kconfig";
+    my $cont = 0;
+    my $line;
+
+    my $source = "$ksource/$kconfig";
+    my $last_source = "";
+
+    # Check for any environment variables used
+    while ($source =~ /\$(\w+)/ && $last_source ne $source) {
+	my $env = $1;
+	$last_source = $source;
+	$source =~ s/\$$env/$ENV{$env}/;
+    }
+
+    open(KIN, "$source") || die "Can't open $kconfig";
     while (<KIN>) {
 	chomp;
 
+	# Make sure that lines ending with \ continue
+	if ($cont) {
+	    $_ = $line . " " . $_;
+	}
+
+	if (s/\\$//) {
+	    $cont = 1;
+	    $line = $_;
+	    next;
+	}
+
+	$cont = 0;
+
 	# collect any Kconfig sources
 	if (/^source\s*"(.*)"/) {
 	    $kconfigs[$#kconfigs+1] = $1;
 	}
 
 	# configs found
-	if (/^\s*config\s+(\S+)\s*$/) {
+	if (/^\s*(menu)?config\s+(\S+)\s*$/) {
 	    $state = "NEW";
-	    $config = $1;
+	    $config = $2;
 
 	    for (my $i = 0; $i < $iflevel; $i++) {
 		if ($i) {
@@ -178,7 +205,7 @@ sub read_kconfig {
 	# configs without prompts must be selected
 	} elsif ($state ne "NONE" && /^\s*tristate\s\S/) {
 	    # note if the config has a prompt
-	    $prompt{$config} = 1;
+	    $prompts{$config} = 1;
 
 	# Check for if statements
 	} elsif (/^if\s+(.*\S)\s*$/) {
@@ -218,6 +245,8 @@ if ($kconfig) {
 # Read all Makefiles to map the configs to the objects
 foreach my $makefile (@makefiles) {
 
+    my $cont = 0;
+
     open(MIN,$makefile) || die "Can't open $makefile";
     while (<MIN>) {
 	my $objs;
@@ -281,7 +310,7 @@ if (defined($lsmod_file)) {
     # see what modules are loaded on this system
     my $lsmod;
 
-    foreach $dir ( ("/sbin", "/bin", "/usr/sbin", "/usr/bin") ) {
+    foreach my $dir ( ("/sbin", "/bin", "/usr/sbin", "/usr/bin") ) {
 	if ( -x "$dir/lsmod" ) {
 	    $lsmod = "$dir/lsmod";
 	    last;
@@ -363,7 +392,7 @@ while ($repeat) {
 	    parse_config_dep_select $depends{$config};
 	}
 
-	if (defined($prompt{$config}) || !defined($selects{$config})) {
+	if (defined($prompts{$config}) || !defined($selects{$config})) {
 	    next;
 	}
 
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index e95718fea3..a796c95fe8 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -351,12 +351,16 @@ void sym_calc_value(struct symbol *sym)
 			}
 		calc_newval:
 			if (sym->dir_dep.tri == no && sym->rev_dep.tri != no) {
+				struct expr *e;
+				e = expr_simplify_unmet_dep(sym->rev_dep.expr,
+				    sym->dir_dep.expr);
 				fprintf(stderr, "warning: (");
-				expr_fprint(sym->rev_dep.expr, stderr);
+				expr_fprint(e, stderr);
 				fprintf(stderr, ") selects %s which has unmet direct dependencies (",
 					sym->name);
 				expr_fprint(sym->dir_dep.expr, stderr);
 				fprintf(stderr, ")\n");
+				expr_free(e);
 			}
 			newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri);
 		}
@@ -686,7 +690,7 @@ const char *sym_get_string_default(struct symbol *sym)
 		switch (sym->type) {
 		case S_BOOLEAN:
 		case S_TRISTATE:
-			/* The visibility imay limit the value from yes => mod */
+			/* The visibility may limit the value from yes => mod */
 			val = EXPR_AND(expr_calc_value(prop->expr), prop->visible.tri);
 			break;
 		default:
@@ -840,6 +844,55 @@ struct symbol *sym_find(const char *name)
 	return symbol;
 }
 
+/*
+ * Expand symbol's names embedded in the string given in argument. Symbols'
+ * name to be expanded shall be prefixed by a '$'. Unknown symbol expands to
+ * the empty string.
+ */
+const char *sym_expand_string_value(const char *in)
+{
+	const char *src;
+	char *res;
+	size_t reslen;
+
+	reslen = strlen(in) + 1;
+	res = malloc(reslen);
+	res[0] = '\0';
+
+	while ((src = strchr(in, '$'))) {
+		char *p, name[SYMBOL_MAXLENGTH];
+		const char *symval = "";
+		struct symbol *sym;
+		size_t newlen;
+
+		strncat(res, in, src - in);
+		src++;
+
+		p = name;
+		while (isalnum(*src) || *src == '_')
+			*p++ = *src++;
+		*p = '\0';
+
+		sym = sym_find(name);
+		if (sym != NULL) {
+			sym_calc_value(sym);
+			symval = sym_get_string_value(sym);
+		}
+
+		newlen = strlen(res) + strlen(symval) + strlen(src) + 1;
+		if (newlen > reslen) {
+			reslen = newlen;
+			res = realloc(res, reslen);
+		}
+
+		strcat(res, symval);
+		in = src;
+	}
+	strcat(res, in);
+
+	return res;
+}
+
 struct symbol **sym_re_search(const char *pattern)
 {
 	struct symbol *sym, **sym_arr = NULL;
@@ -937,6 +990,8 @@ static void sym_check_print_recursive(struct symbol *last_sym)
 		sym = stack->sym;
 		next_sym = stack->next ? stack->next->sym : last_sym;
 		prop = stack->prop;
+		if (prop == NULL)
+			prop = stack->sym->prop;
 
 		/* for choice values find the menu entry (used below) */
 		if (sym_is_choice(sym) || sym_is_choice_value(sym)) {
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 78b5c04e73..6330cc871a 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -12,15 +12,18 @@
 struct file *file_lookup(const char *name)
 {
 	struct file *file;
+	const char *file_name = sym_expand_string_value(name);
 
 	for (file = file_list; file; file = file->next) {
-		if (!strcmp(name, file->name))
+		if (!strcmp(name, file->name)) {
+			free((void *)file_name);
 			return file;
+		}
 	}
 
 	file = malloc(sizeof(*file));
 	memset(file, 0, sizeof(*file));
-	file->name = strdup(name);
+	file->name = file_name;
 	file->next = file_list;
 	file_list = file;
 	return file;
diff --git a/scripts/kconfig/zconf.gperf b/scripts/kconfig/zconf.gperf
index d8bc742496..c9e690eb75 100644
--- a/scripts/kconfig/zconf.gperf
+++ b/scripts/kconfig/zconf.gperf
@@ -38,6 +38,7 @@ hex,		T_TYPE,		TF_COMMAND, S_HEX
 string,		T_TYPE,		TF_COMMAND, S_STRING
 select,		T_SELECT,	TF_COMMAND
 range,		T_RANGE,	TF_COMMAND
+visible,	T_VISIBLE,	TF_COMMAND
 option,		T_OPTION,	TF_COMMAND
 on,		T_ON,		TF_PARAM
 modules,	T_OPT_MODULES,	TF_OPTION
diff --git a/scripts/kconfig/zconf.hash.c_shipped b/scripts/kconfig/zconf.hash.c_shipped
index c1748faf46..4055d5de17 100644
--- a/scripts/kconfig/zconf.hash.c_shipped
+++ b/scripts/kconfig/zconf.hash.c_shipped
@@ -32,7 +32,7 @@
 struct kconf_id;
 
 static struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len);
-/* maximum key range = 47, duplicates = 0 */
+/* maximum key range = 50, duplicates = 0 */
 
 #ifdef __GNUC__
 __inline
@@ -46,32 +46,32 @@ kconf_id_hash (register const char *str, register unsigned int len)
 {
   static unsigned char asso_values[] =
     {
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 11,  5,
-       0,  0,  5, 49,  5, 20, 49, 49,  5, 20,
-       5,  0, 30, 49,  0, 15,  0, 10,  0, 49,
-      25, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 40,  5,
+       0,  0,  5, 52,  0, 20, 52, 52, 10, 20,
+       5,  0, 35, 52,  0, 30,  0, 15,  0, 52,
+      15, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52
     };
   register int hval = len;
 
@@ -102,25 +102,26 @@ struct kconf_id_strings_t
     char kconf_id_strings_str12[sizeof("default")];
     char kconf_id_strings_str13[sizeof("def_bool")];
     char kconf_id_strings_str14[sizeof("help")];
-    char kconf_id_strings_str15[sizeof("bool")];
     char kconf_id_strings_str16[sizeof("config")];
     char kconf_id_strings_str17[sizeof("def_tristate")];
-    char kconf_id_strings_str18[sizeof("boolean")];
+    char kconf_id_strings_str18[sizeof("hex")];
     char kconf_id_strings_str19[sizeof("defconfig_list")];
-    char kconf_id_strings_str21[sizeof("string")];
     char kconf_id_strings_str22[sizeof("if")];
     char kconf_id_strings_str23[sizeof("int")];
-    char kconf_id_strings_str26[sizeof("select")];
     char kconf_id_strings_str27[sizeof("modules")];
     char kconf_id_strings_str28[sizeof("tristate")];
     char kconf_id_strings_str29[sizeof("menu")];
-    char kconf_id_strings_str31[sizeof("source")];
     char kconf_id_strings_str32[sizeof("comment")];
-    char kconf_id_strings_str33[sizeof("hex")];
     char kconf_id_strings_str35[sizeof("menuconfig")];
-    char kconf_id_strings_str36[sizeof("prompt")];
-    char kconf_id_strings_str37[sizeof("depends")];
+    char kconf_id_strings_str36[sizeof("string")];
+    char kconf_id_strings_str37[sizeof("visible")];
+    char kconf_id_strings_str41[sizeof("prompt")];
+    char kconf_id_strings_str42[sizeof("depends")];
+    char kconf_id_strings_str44[sizeof("bool")];
+    char kconf_id_strings_str46[sizeof("select")];
+    char kconf_id_strings_str47[sizeof("boolean")];
     char kconf_id_strings_str48[sizeof("mainmenu")];
+    char kconf_id_strings_str51[sizeof("source")];
   };
 static struct kconf_id_strings_t kconf_id_strings_contents =
   {
@@ -136,25 +137,26 @@ static struct kconf_id_strings_t kconf_id_strings_contents =
     "default",
     "def_bool",
     "help",
-    "bool",
     "config",
     "def_tristate",
-    "boolean",
+    "hex",
     "defconfig_list",
-    "string",
     "if",
     "int",
-    "select",
     "modules",
     "tristate",
     "menu",
-    "source",
     "comment",
-    "hex",
     "menuconfig",
+    "string",
+    "visible",
     "prompt",
     "depends",
-    "mainmenu"
+    "bool",
+    "select",
+    "boolean",
+    "mainmenu",
+    "source"
   };
 #define kconf_id_strings ((const char *) &kconf_id_strings_contents)
 #ifdef __GNUC__
@@ -168,11 +170,11 @@ kconf_id_lookup (register const char *str, register unsigned int len)
 {
   enum
     {
-      TOTAL_KEYWORDS = 31,
+      TOTAL_KEYWORDS = 32,
       MIN_WORD_LENGTH = 2,
       MAX_WORD_LENGTH = 14,
       MIN_HASH_VALUE = 2,
-      MAX_HASH_VALUE = 48
+      MAX_HASH_VALUE = 51
     };
 
   static struct kconf_id wordlist[] =
@@ -191,31 +193,35 @@ kconf_id_lookup (register const char *str, register unsigned int len)
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str12,	T_DEFAULT,	TF_COMMAND, S_UNKNOWN},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str13,	T_DEFAULT,	TF_COMMAND, S_BOOLEAN},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str14,		T_HELP,		TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str15,		T_TYPE,		TF_COMMAND, S_BOOLEAN},
+      {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str16,		T_CONFIG,	TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str17,	T_DEFAULT,	TF_COMMAND, S_TRISTATE},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18,	T_TYPE,		TF_COMMAND, S_BOOLEAN},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18,		T_TYPE,		TF_COMMAND, S_HEX},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str19,	T_OPT_DEFCONFIG_LIST,TF_OPTION},
-      {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str21,		T_TYPE,		TF_COMMAND, S_STRING},
+      {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str22,		T_IF,		TF_COMMAND|TF_PARAM},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str23,		T_TYPE,		TF_COMMAND, S_INT},
-      {-1}, {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str26,		T_SELECT,	TF_COMMAND},
+      {-1}, {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str27,	T_OPT_MODULES,	TF_OPTION},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str28,	T_TYPE,		TF_COMMAND, S_TRISTATE},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str29,		T_MENU,		TF_COMMAND},
-      {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str31,		T_SOURCE,	TF_COMMAND},
+      {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str32,	T_COMMENT,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str33,		T_TYPE,		TF_COMMAND, S_HEX},
-      {-1},
+      {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str35,	T_MENUCONFIG,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36,		T_PROMPT,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37,	T_DEPENDS,	TF_COMMAND},
-      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36,		T_TYPE,		TF_COMMAND, S_STRING},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37,	T_VISIBLE,	TF_COMMAND},
+      {-1}, {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str41,		T_PROMPT,	TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str42,	T_DEPENDS,	TF_COMMAND},
       {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str48,	T_MAINMENU,	TF_COMMAND}
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str44,		T_TYPE,		TF_COMMAND, S_BOOLEAN},
+      {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str46,		T_SELECT,	TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str47,	T_TYPE,		TF_COMMAND, S_BOOLEAN},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str48,	T_MAINMENU,	TF_COMMAND},
+      {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str51,		T_SOURCE,	TF_COMMAND}
     };
 
   if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 7ad18f7e3e..0c25978195 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -304,9 +304,10 @@ void zconf_nextfile(const char *name)
 	memset(buf, 0, sizeof(*buf));
 
 	current_buf->state = YY_CURRENT_BUFFER;
-	yyin = zconf_fopen(name);
+	yyin = zconf_fopen(file->name);
 	if (!yyin) {
-		printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name);
+		printf("%s:%d: can't open file \"%s\"\n",
+		    zconf_curname(), zconf_lineno(), file->name);
 		exit(1);
 	}
 	yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
@@ -353,7 +354,7 @@ int zconf_lineno(void)
 	return current_pos.lineno;
 }
 
-char *zconf_curname(void)
+const char *zconf_curname(void)
 {
 	return current_pos.file ? current_pos.file->name : "<none>";
 }
diff --git a/scripts/kconfig/zconf.tab.c_shipped b/scripts/kconfig/zconf.tab.c_shipped
index 32a9eefd84..4c5495ea20 100644
--- a/scripts/kconfig/zconf.tab.c_shipped
+++ b/scripts/kconfig/zconf.tab.c_shipped
@@ -160,18 +160,19 @@ static struct menu *current_menu, *current_entry;
      T_DEFAULT = 275,
      T_SELECT = 276,
      T_RANGE = 277,
-     T_OPTION = 278,
-     T_ON = 279,
-     T_WORD = 280,
-     T_WORD_QUOTE = 281,
-     T_UNEQUAL = 282,
-     T_CLOSE_PAREN = 283,
-     T_OPEN_PAREN = 284,
-     T_EOL = 285,
-     T_OR = 286,
-     T_AND = 287,
-     T_EQUAL = 288,
-     T_NOT = 289
+     T_VISIBLE = 278,
+     T_OPTION = 279,
+     T_ON = 280,
+     T_WORD = 281,
+     T_WORD_QUOTE = 282,
+     T_UNEQUAL = 283,
+     T_CLOSE_PAREN = 284,
+     T_OPEN_PAREN = 285,
+     T_EOL = 286,
+     T_OR = 287,
+     T_AND = 288,
+     T_EQUAL = 289,
+     T_NOT = 290
    };
 #endif
 
@@ -417,22 +418,22 @@ union yyalloc
 #endif
 
 /* YYFINAL -- State number of the termination state.  */
-#define YYFINAL  3
+#define YYFINAL  11
 /* YYLAST -- Last index in YYTABLE.  */
-#define YYLAST   259
+#define YYLAST   290
 
 /* YYNTOKENS -- Number of terminals.  */
-#define YYNTOKENS  35
+#define YYNTOKENS  36
 /* YYNNTS -- Number of nonterminals.  */
-#define YYNNTS  46
+#define YYNNTS  50
 /* YYNRULES -- Number of rules.  */
-#define YYNRULES  110
+#define YYNRULES  118
 /* YYNRULES -- Number of states.  */
-#define YYNSTATES  180
+#define YYNSTATES  191
 
 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
 #define YYUNDEFTOK  2
-#define YYMAXUTOK   289
+#define YYMAXUTOK   290
 
 #define YYTRANSLATE(YYX)						\
   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
@@ -468,7 +469,8 @@ static const yytype_uint8 yytranslate[] =
        2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
        5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
-      25,    26,    27,    28,    29,    30,    31,    32,    33,    34
+      25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
+      35
 };
 
 #if YYDEBUG
@@ -476,73 +478,75 @@ static const yytype_uint8 yytranslate[] =
    YYRHS.  */
 static const yytype_uint16 yyprhs[] =
 {
-       0,     0,     3,     5,     6,     9,    12,    15,    20,    23,
-      28,    33,    37,    39,    41,    43,    45,    47,    49,    51,
-      53,    55,    57,    59,    61,    63,    67,    70,    74,    77,
-      81,    84,    85,    88,    91,    94,    97,   100,   103,   107,
-     112,   117,   122,   128,   132,   133,   137,   138,   141,   145,
-     148,   150,   154,   155,   158,   161,   164,   167,   170,   175,
-     179,   182,   187,   188,   191,   195,   197,   201,   202,   205,
-     208,   211,   215,   218,   220,   224,   225,   228,   231,   234,
-     238,   242,   245,   248,   251,   252,   255,   258,   261,   266,
-     267,   270,   272,   274,   277,   280,   283,   285,   288,   289,
-     292,   294,   298,   302,   306,   309,   313,   317,   319,   321,
-     322
+       0,     0,     3,     6,     8,    11,    13,    14,    17,    20,
+      23,    26,    31,    36,    40,    42,    44,    46,    48,    50,
+      52,    54,    56,    58,    60,    62,    64,    66,    68,    72,
+      75,    79,    82,    86,    89,    90,    93,    96,    99,   102,
+     105,   108,   112,   117,   122,   127,   133,   137,   138,   142,
+     143,   146,   150,   153,   155,   159,   160,   163,   166,   169,
+     172,   175,   180,   184,   187,   192,   193,   196,   200,   202,
+     206,   207,   210,   213,   216,   220,   224,   228,   230,   234,
+     235,   238,   241,   244,   248,   252,   255,   258,   261,   262,
+     265,   268,   271,   276,   277,   280,   283,   286,   287,   290,
+     292,   294,   297,   300,   303,   305,   308,   309,   312,   314,
+     318,   322,   326,   329,   333,   337,   339,   341,   342
 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS.  */
 static const yytype_int8 yyrhs[] =
 {
-      36,     0,    -1,    37,    -1,    -1,    37,    39,    -1,    37,
-      53,    -1,    37,    64,    -1,    37,     3,    74,    76,    -1,
-      37,    75,    -1,    37,    25,     1,    30,    -1,    37,    38,
-       1,    30,    -1,    37,     1,    30,    -1,    16,    -1,    18,
-      -1,    19,    -1,    21,    -1,    17,    -1,    22,    -1,    20,
-      -1,    30,    -1,    59,    -1,    68,    -1,    42,    -1,    44,
-      -1,    66,    -1,    25,     1,    30,    -1,     1,    30,    -1,
-      10,    25,    30,    -1,    41,    45,    -1,    11,    25,    30,
-      -1,    43,    45,    -1,    -1,    45,    46,    -1,    45,    47,
-      -1,    45,    72,    -1,    45,    70,    -1,    45,    40,    -1,
-      45,    30,    -1,    19,    73,    30,    -1,    18,    74,    77,
-      30,    -1,    20,    78,    77,    30,    -1,    21,    25,    77,
-      30,    -1,    22,    79,    79,    77,    30,    -1,    23,    48,
-      30,    -1,    -1,    48,    25,    49,    -1,    -1,    33,    74,
-      -1,     7,    80,    30,    -1,    50,    54,    -1,    75,    -1,
-      51,    56,    52,    -1,    -1,    54,    55,    -1,    54,    72,
-      -1,    54,    70,    -1,    54,    30,    -1,    54,    40,    -1,
-      18,    74,    77,    30,    -1,    19,    73,    30,    -1,    17,
-      30,    -1,    20,    25,    77,    30,    -1,    -1,    56,    39,
-      -1,    14,    78,    76,    -1,    75,    -1,    57,    60,    58,
-      -1,    -1,    60,    39,    -1,    60,    64,    -1,    60,    53,
-      -1,     4,    74,    30,    -1,    61,    71,    -1,    75,    -1,
-      62,    65,    63,    -1,    -1,    65,    39,    -1,    65,    64,
-      -1,    65,    53,    -1,     6,    74,    30,    -1,     9,    74,
-      30,    -1,    67,    71,    -1,    12,    30,    -1,    69,    13,
-      -1,    -1,    71,    72,    -1,    71,    30,    -1,    71,    40,
-      -1,    16,    24,    78,    30,    -1,    -1,    74,    77,    -1,
-      25,    -1,    26,    -1,     5,    30,    -1,     8,    30,    -1,
-      15,    30,    -1,    30,    -1,    76,    30,    -1,    -1,    14,
-      78,    -1,    79,    -1,    79,    33,    79,    -1,    79,    27,
-      79,    -1,    29,    78,    28,    -1,    34,    78,    -1,    78,
-      31,    78,    -1,    78,    32,    78,    -1,    25,    -1,    26,
-      -1,    -1,    25,    -1
+      37,     0,    -1,    81,    38,    -1,    38,    -1,    63,    39,
+      -1,    39,    -1,    -1,    39,    41,    -1,    39,    55,    -1,
+      39,    67,    -1,    39,    80,    -1,    39,    26,     1,    31,
+      -1,    39,    40,     1,    31,    -1,    39,     1,    31,    -1,
+      16,    -1,    18,    -1,    19,    -1,    21,    -1,    17,    -1,
+      22,    -1,    20,    -1,    23,    -1,    31,    -1,    61,    -1,
+      71,    -1,    44,    -1,    46,    -1,    69,    -1,    26,     1,
+      31,    -1,     1,    31,    -1,    10,    26,    31,    -1,    43,
+      47,    -1,    11,    26,    31,    -1,    45,    47,    -1,    -1,
+      47,    48,    -1,    47,    49,    -1,    47,    75,    -1,    47,
+      73,    -1,    47,    42,    -1,    47,    31,    -1,    19,    78,
+      31,    -1,    18,    79,    82,    31,    -1,    20,    83,    82,
+      31,    -1,    21,    26,    82,    31,    -1,    22,    84,    84,
+      82,    31,    -1,    24,    50,    31,    -1,    -1,    50,    26,
+      51,    -1,    -1,    34,    79,    -1,     7,    85,    31,    -1,
+      52,    56,    -1,    80,    -1,    53,    58,    54,    -1,    -1,
+      56,    57,    -1,    56,    75,    -1,    56,    73,    -1,    56,
+      31,    -1,    56,    42,    -1,    18,    79,    82,    31,    -1,
+      19,    78,    31,    -1,    17,    31,    -1,    20,    26,    82,
+      31,    -1,    -1,    58,    41,    -1,    14,    83,    81,    -1,
+      80,    -1,    59,    62,    60,    -1,    -1,    62,    41,    -1,
+      62,    67,    -1,    62,    55,    -1,     3,    79,    81,    -1,
+       4,    79,    31,    -1,    64,    76,    74,    -1,    80,    -1,
+      65,    68,    66,    -1,    -1,    68,    41,    -1,    68,    67,
+      -1,    68,    55,    -1,     6,    79,    31,    -1,     9,    79,
+      31,    -1,    70,    74,    -1,    12,    31,    -1,    72,    13,
+      -1,    -1,    74,    75,    -1,    74,    31,    -1,    74,    42,
+      -1,    16,    25,    83,    31,    -1,    -1,    76,    77,    -1,
+      76,    31,    -1,    23,    82,    -1,    -1,    79,    82,    -1,
+      26,    -1,    27,    -1,     5,    31,    -1,     8,    31,    -1,
+      15,    31,    -1,    31,    -1,    81,    31,    -1,    -1,    14,
+      83,    -1,    84,    -1,    84,    34,    84,    -1,    84,    28,
+      84,    -1,    30,    83,    29,    -1,    35,    83,    -1,    83,
+      32,    83,    -1,    83,    33,    83,    -1,    26,    -1,    27,
+      -1,    -1,    26,    -1
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,   107,   107,   109,   111,   112,   113,   114,   115,   116,
-     117,   121,   125,   125,   125,   125,   125,   125,   125,   129,
-     130,   131,   132,   133,   134,   138,   139,   145,   153,   159,
-     167,   177,   179,   180,   181,   182,   183,   184,   187,   195,
-     201,   211,   217,   223,   226,   228,   239,   240,   245,   254,
-     259,   267,   270,   272,   273,   274,   275,   276,   279,   285,
-     296,   302,   312,   314,   319,   327,   335,   338,   340,   341,
-     342,   347,   354,   359,   367,   370,   372,   373,   374,   377,
-     385,   392,   399,   405,   412,   414,   415,   416,   419,   427,
-     429,   434,   435,   438,   439,   440,   444,   445,   448,   449,
-     452,   453,   454,   455,   456,   457,   458,   461,   462,   465,
-     466
+       0,   108,   108,   108,   110,   110,   112,   114,   115,   116,
+     117,   118,   119,   123,   127,   127,   127,   127,   127,   127,
+     127,   127,   131,   132,   133,   134,   135,   136,   140,   141,
+     147,   155,   161,   169,   179,   181,   182,   183,   184,   185,
+     186,   189,   197,   203,   213,   219,   225,   228,   230,   241,
+     242,   247,   256,   261,   269,   272,   274,   275,   276,   277,
+     278,   281,   287,   298,   304,   314,   316,   321,   329,   337,
+     340,   342,   343,   344,   349,   356,   363,   368,   376,   379,
+     381,   382,   383,   386,   394,   401,   408,   414,   421,   423,
+     424,   425,   428,   436,   438,   439,   442,   449,   451,   456,
+     457,   460,   461,   462,   466,   467,   470,   471,   474,   475,
+     476,   477,   478,   479,   480,   483,   484,   487,   488
 };
 #endif
 
@@ -555,19 +559,19 @@ static const char *const yytname[] =
   "T_SOURCE", "T_CHOICE", "T_ENDCHOICE", "T_COMMENT", "T_CONFIG",
   "T_MENUCONFIG", "T_HELP", "T_HELPTEXT", "T_IF", "T_ENDIF", "T_DEPENDS",
   "T_OPTIONAL", "T_PROMPT", "T_TYPE", "T_DEFAULT", "T_SELECT", "T_RANGE",
-  "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
+  "T_VISIBLE", "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
   "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_EOL", "T_OR", "T_AND", "T_EQUAL",
-  "T_NOT", "$accept", "input", "stmt_list", "option_name", "common_stmt",
-  "option_error", "config_entry_start", "config_stmt",
+  "T_NOT", "$accept", "input", "start", "stmt_list", "option_name",
+  "common_stmt", "option_error", "config_entry_start", "config_stmt",
   "menuconfig_entry_start", "menuconfig_stmt", "config_option_list",
   "config_option", "symbol_option", "symbol_option_list",
   "symbol_option_arg", "choice", "choice_entry", "choice_end",
   "choice_stmt", "choice_option_list", "choice_option", "choice_block",
-  "if_entry", "if_end", "if_stmt", "if_block", "menu", "menu_entry",
-  "menu_end", "menu_stmt", "menu_block", "source_stmt", "comment",
-  "comment_stmt", "help_start", "help", "depends_list", "depends",
-  "prompt_stmt_opt", "prompt", "end", "nl", "if_expr", "expr", "symbol",
-  "word_opt", 0
+  "if_entry", "if_end", "if_stmt", "if_block", "mainmenu_stmt", "menu",
+  "menu_entry", "menu_end", "menu_stmt", "menu_block", "source_stmt",
+  "comment", "comment_stmt", "help_start", "help", "depends_list",
+  "depends", "visibility_list", "visible", "prompt_stmt_opt", "prompt",
+  "end", "nl", "if_expr", "expr", "symbol", "word_opt", 0
 };
 #endif
 
@@ -579,42 +583,42 @@ static const yytype_uint16 yytoknum[] =
        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
      265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
-     285,   286,   287,   288,   289
+     285,   286,   287,   288,   289,   290
 };
 # endif
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const yytype_uint8 yyr1[] =
 {
-       0,    35,    36,    37,    37,    37,    37,    37,    37,    37,
-      37,    37,    38,    38,    38,    38,    38,    38,    38,    39,
-      39,    39,    39,    39,    39,    40,    40,    41,    42,    43,
-      44,    45,    45,    45,    45,    45,    45,    45,    46,    46,
-      46,    46,    46,    47,    48,    48,    49,    49,    50,    51,
-      52,    53,    54,    54,    54,    54,    54,    54,    55,    55,
-      55,    55,    56,    56,    57,    58,    59,    60,    60,    60,
-      60,    61,    62,    63,    64,    65,    65,    65,    65,    66,
-      67,    68,    69,    70,    71,    71,    71,    71,    72,    73,
-      73,    74,    74,    75,    75,    75,    76,    76,    77,    77,
-      78,    78,    78,    78,    78,    78,    78,    79,    79,    80,
-      80
+       0,    36,    37,    37,    38,    38,    39,    39,    39,    39,
+      39,    39,    39,    39,    40,    40,    40,    40,    40,    40,
+      40,    40,    41,    41,    41,    41,    41,    41,    42,    42,
+      43,    44,    45,    46,    47,    47,    47,    47,    47,    47,
+      47,    48,    48,    48,    48,    48,    49,    50,    50,    51,
+      51,    52,    53,    54,    55,    56,    56,    56,    56,    56,
+      56,    57,    57,    57,    57,    58,    58,    59,    60,    61,
+      62,    62,    62,    62,    63,    64,    65,    66,    67,    68,
+      68,    68,    68,    69,    70,    71,    72,    73,    74,    74,
+      74,    74,    75,    76,    76,    76,    77,    78,    78,    79,
+      79,    80,    80,    80,    81,    81,    82,    82,    83,    83,
+      83,    83,    83,    83,    83,    84,    84,    85,    85
 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
 static const yytype_uint8 yyr2[] =
 {
-       0,     2,     1,     0,     2,     2,     2,     4,     2,     4,
-       4,     3,     1,     1,     1,     1,     1,     1,     1,     1,
-       1,     1,     1,     1,     1,     3,     2,     3,     2,     3,
-       2,     0,     2,     2,     2,     2,     2,     2,     3,     4,
-       4,     4,     5,     3,     0,     3,     0,     2,     3,     2,
-       1,     3,     0,     2,     2,     2,     2,     2,     4,     3,
-       2,     4,     0,     2,     3,     1,     3,     0,     2,     2,
-       2,     3,     2,     1,     3,     0,     2,     2,     2,     3,
-       3,     2,     2,     2,     0,     2,     2,     2,     4,     0,
-       2,     1,     1,     2,     2,     2,     1,     2,     0,     2,
-       1,     3,     3,     3,     2,     3,     3,     1,     1,     0,
-       1
+       0,     2,     2,     1,     2,     1,     0,     2,     2,     2,
+       2,     4,     4,     3,     1,     1,     1,     1,     1,     1,
+       1,     1,     1,     1,     1,     1,     1,     1,     3,     2,
+       3,     2,     3,     2,     0,     2,     2,     2,     2,     2,
+       2,     3,     4,     4,     4,     5,     3,     0,     3,     0,
+       2,     3,     2,     1,     3,     0,     2,     2,     2,     2,
+       2,     4,     3,     2,     4,     0,     2,     3,     1,     3,
+       0,     2,     2,     2,     3,     3,     3,     1,     3,     0,
+       2,     2,     2,     3,     3,     2,     2,     2,     0,     2,
+       2,     2,     4,     0,     2,     2,     2,     0,     2,     1,
+       1,     2,     2,     2,     1,     2,     0,     2,     1,     3,
+       3,     3,     2,     3,     3,     1,     1,     0,     1
 };
 
 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
@@ -622,158 +626,172 @@ static const yytype_uint8 yyr2[] =
    means the default is an error.  */
 static const yytype_uint8 yydefact[] =
 {
-       3,     0,     0,     1,     0,     0,     0,     0,     0,   109,
-       0,     0,     0,     0,     0,     0,    12,    16,    13,    14,
-      18,    15,    17,     0,    19,     0,     4,    31,    22,    31,
-      23,    52,    62,     5,    67,    20,    84,    75,     6,    24,
-      84,    21,     8,    11,    91,    92,     0,     0,    93,     0,
-     110,     0,    94,     0,     0,     0,   107,   108,     0,     0,
-       0,   100,    95,     0,     0,     0,     0,     0,     0,     0,
-       0,     0,     0,    96,     7,    71,    79,    48,    80,    27,
-      29,     0,   104,     0,     0,    64,     0,     0,     9,    10,
-       0,     0,     0,     0,    89,     0,     0,     0,    44,     0,
-      37,    36,    32,    33,     0,    35,    34,     0,     0,    89,
-       0,    56,    57,    53,    55,    54,    63,    51,    50,    68,
-      70,    66,    69,    65,    86,    87,    85,    76,    78,    74,
-      77,    73,    97,   103,   105,   106,   102,   101,    26,    82,
-       0,    98,     0,    98,    98,    98,     0,     0,     0,    83,
-      60,    98,     0,    98,     0,     0,     0,    38,    90,     0,
-       0,    98,    46,    43,    25,     0,    59,     0,    88,    99,
-      39,    40,    41,     0,     0,    45,    58,    61,    42,    47
+       6,     0,   104,     0,     3,     0,     6,     6,    99,   100,
+       0,     1,     0,     0,     0,     0,   117,     0,     0,     0,
+       0,     0,     0,    14,    18,    15,    16,    20,    17,    19,
+      21,     0,    22,     0,     7,    34,    25,    34,    26,    55,
+      65,     8,    70,    23,    93,    79,     9,    27,    88,    24,
+      10,     0,   105,     2,    74,    13,     0,   101,     0,   118,
+       0,   102,     0,     0,     0,   115,   116,     0,     0,     0,
+     108,   103,     0,     0,     0,     0,     0,     0,     0,    88,
+       0,     0,    75,    83,    51,    84,    30,    32,     0,   112,
+       0,     0,    67,     0,     0,    11,    12,     0,     0,     0,
+       0,    97,     0,     0,     0,    47,     0,    40,    39,    35,
+      36,     0,    38,    37,     0,     0,    97,     0,    59,    60,
+      56,    58,    57,    66,    54,    53,    71,    73,    69,    72,
+      68,   106,    95,     0,    94,    80,    82,    78,    81,    77,
+      90,    91,    89,   111,   113,   114,   110,   109,    29,    86,
+       0,   106,     0,   106,   106,   106,     0,     0,     0,    87,
+      63,   106,     0,   106,     0,    96,     0,     0,    41,    98,
+       0,     0,   106,    49,    46,    28,     0,    62,     0,   107,
+      92,    42,    43,    44,     0,     0,    48,    61,    64,    45,
+      50
 };
 
 /* YYDEFGOTO[NTERM-NUM].  */
 static const yytype_int16 yydefgoto[] =
 {
-      -1,     1,     2,    25,    26,   101,    27,    28,    29,    30,
-      65,   102,   103,   147,   175,    31,    32,   117,    33,    67,
-     113,    68,    34,   121,    35,    69,    36,    37,   129,    38,
-      71,    39,    40,    41,   104,   105,    70,   106,   142,   143,
-      42,    74,   156,    60,    61,    51
+      -1,     3,     4,     5,    33,    34,   108,    35,    36,    37,
+      38,    74,   109,   110,   157,   186,    39,    40,   124,    41,
+      76,   120,    77,    42,   128,    43,    78,     6,    44,    45,
+     137,    46,    80,    47,    48,    49,   111,   112,    81,   113,
+      79,   134,   152,   153,    50,     7,   165,    69,    70,    60
 };
 
 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
    STATE-NUM.  */
-#define YYPACT_NINF -80
+#define YYPACT_NINF -90
 static const yytype_int16 yypact[] =
 {
-     -80,     2,   132,   -80,   -13,    -1,    -1,    -2,    -1,     9,
-      33,    -1,    27,    40,    -3,    38,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,    71,   -80,    77,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,    57,    61,   -80,    63,
-     -80,    76,   -80,    87,   101,   133,   -80,   -80,    -3,    -3,
-     195,    -6,   -80,   136,   149,    39,   104,    65,   150,     5,
-     194,     5,   167,   -80,   176,   -80,   -80,   -80,   -80,   -80,
-     -80,    68,   -80,    -3,    -3,   176,    72,    72,   -80,   -80,
-     177,   187,    78,    -1,    -1,    -3,   196,    72,   -80,   222,
-     -80,   -80,   -80,   -80,   221,   -80,   -80,   205,    -1,    -1,
-     211,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   206,   -80,   -80,   -80,   -80,   -80,
-      -3,   223,   209,   223,   197,   223,    72,     7,   210,   -80,
-     -80,   223,   212,   223,   201,    -3,   213,   -80,   -80,   214,
-     215,   223,   208,   -80,   -80,   216,   -80,   217,   -80,   113,
-     -80,   -80,   -80,   218,    -1,   -80,   -80,   -80,   -80,   -80
+       4,    42,   -90,    96,   -90,   111,   -90,    15,   -90,   -90,
+      75,   -90,    82,    42,   104,    42,   110,   107,    42,   115,
+     125,    -4,   121,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   162,   -90,   163,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   139,   -90,   -90,   138,   -90,   142,   -90,   143,   -90,
+     152,   -90,   164,   167,   168,   -90,   -90,    -4,    -4,    77,
+     -18,   -90,   177,   185,    33,    71,   195,   247,   236,    -2,
+     236,   171,   -90,   -90,   -90,   -90,   -90,   -90,    41,   -90,
+      -4,    -4,   138,    97,    97,   -90,   -90,   186,   187,   194,
+      42,    42,    -4,   196,    97,   -90,   219,   -90,   -90,   -90,
+     -90,   210,   -90,   -90,   204,    42,    42,   199,   -90,   -90,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   222,   -90,   223,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   -90,   -90,   -90,   215,   -90,   -90,   -90,   -90,   -90,
+      -4,   222,   228,   222,    -5,   222,    97,    35,   229,   -90,
+     -90,   222,   232,   222,    -4,   -90,   135,   233,   -90,   -90,
+     234,   235,   222,   240,   -90,   -90,   237,   -90,   239,   -13,
+     -90,   -90,   -90,   -90,   244,    42,   -90,   -90,   -90,   -90,
+     -90
 };
 
 /* YYPGOTO[NTERM-NUM].  */
 static const yytype_int16 yypgoto[] =
 {
-     -80,   -80,   -80,   -80,   122,   -34,   -80,   -80,   -80,   -80,
-     220,   -80,   -80,   -80,   -80,   -80,   -80,   -80,    59,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   125,
-     -80,   -80,   -80,   -80,   -80,   183,   219,    22,   142,    -5,
-     147,   192,    69,   -54,   -79,   -80
+     -90,   -90,   269,   271,   -90,    23,   -70,   -90,   -90,   -90,
+     -90,   243,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -48,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   -20,   -90,   -90,   -90,   -90,   -90,   206,   205,   -68,
+     -90,   -90,   169,    -1,    27,    -7,   118,   -66,   -89,   -90
 };
 
 /* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
    positive, shift that token.  If negative, reduce the rule which
    number is the opposite.  If zero, do what YYDEFACT says.
    If YYTABLE_NINF, syntax error.  */
-#define YYTABLE_NINF -82
+#define YYTABLE_NINF -86
 static const yytype_int16 yytable[] =
 {
-      46,    47,     3,    49,    81,    82,    53,   136,   137,     6,
-       7,     8,     9,    10,    11,    12,    13,    43,   146,    14,
-      15,    86,    56,    57,    44,    45,    58,    87,    48,   134,
-     135,    59,   162,   112,    50,    24,   125,   163,   125,   -28,
-      90,   144,   -28,   -28,   -28,   -28,   -28,   -28,   -28,   -28,
-     -28,    91,    54,   -28,   -28,    92,   -28,    93,    94,    95,
-      96,    97,    98,    52,    99,    55,    90,   161,    62,   100,
-     -49,   -49,    63,   -49,   -49,   -49,   -49,    91,    64,   -49,
-     -49,    92,   107,   108,   109,   110,   154,    73,   141,   115,
-      99,    75,   126,    76,   126,   111,   133,    56,    57,    83,
-      84,   169,   140,   151,   -30,    90,    77,   -30,   -30,   -30,
-     -30,   -30,   -30,   -30,   -30,   -30,    91,    78,   -30,   -30,
-      92,   -30,    93,    94,    95,    96,    97,    98,   120,    99,
-     128,    79,    -2,     4,   100,     5,     6,     7,     8,     9,
-      10,    11,    12,    13,    83,    84,    14,    15,    16,    17,
-      18,    19,    20,    21,    22,     7,     8,    23,    10,    11,
-      12,    13,    24,    80,    14,    15,    88,   -81,    90,   179,
-     -81,   -81,   -81,   -81,   -81,   -81,   -81,   -81,   -81,    89,
-      24,   -81,   -81,    92,   -81,   -81,   -81,   -81,   -81,   -81,
-     116,   119,    99,   127,   122,    90,   130,   124,   -72,   -72,
-     -72,   -72,   -72,   -72,   -72,   -72,   132,   138,   -72,   -72,
-      92,   155,   158,   159,   160,   118,   123,   139,   131,    99,
-     165,   145,   167,   148,   124,    73,    83,    84,    83,    84,
-     173,   168,    83,    84,   149,   150,   153,   155,    84,   157,
-     164,   174,   166,   170,   171,   172,   176,   177,   178,    66,
-     114,   152,    85,     0,     0,     0,     0,     0,     0,    72
+      10,    88,    89,    54,   146,   147,   119,     1,   122,   164,
+      93,   141,    56,   142,    58,   156,    94,    62,     1,    90,
+      91,   131,    65,    66,   144,   145,    67,    90,    91,   132,
+     127,    68,   136,   -31,    97,     2,   154,   -31,   -31,   -31,
+     -31,   -31,   -31,   -31,   -31,    98,    52,   -31,   -31,    99,
+     -31,   100,   101,   102,   103,   104,   -31,   105,   129,   106,
+     138,   173,    92,   141,   107,   142,   174,   172,     8,     9,
+     143,   -33,    97,    90,    91,   -33,   -33,   -33,   -33,   -33,
+     -33,   -33,   -33,    98,   166,   -33,   -33,    99,   -33,   100,
+     101,   102,   103,   104,   -33,   105,    11,   106,   179,   151,
+     123,   126,   107,   135,   125,   130,     2,   139,     2,    90,
+      91,    -5,    12,    55,   161,    13,    14,    15,    16,    17,
+      18,    19,    20,    65,    66,    21,    22,    23,    24,    25,
+      26,    27,    28,    29,    30,    57,    59,    31,    61,    -4,
+      12,    63,    32,    13,    14,    15,    16,    17,    18,    19,
+      20,    64,    71,    21,    22,    23,    24,    25,    26,    27,
+      28,    29,    30,    72,    73,    31,   180,    90,    91,    52,
+      32,   -85,    97,    82,    83,   -85,   -85,   -85,   -85,   -85,
+     -85,   -85,   -85,    84,   190,   -85,   -85,    99,   -85,   -85,
+     -85,   -85,   -85,   -85,   -85,    85,    97,   106,    86,    87,
+     -52,   -52,   140,   -52,   -52,   -52,   -52,    98,    95,   -52,
+     -52,    99,   114,   115,   116,   117,    96,   148,   149,   150,
+     158,   106,   155,   159,    97,   163,   118,   -76,   -76,   -76,
+     -76,   -76,   -76,   -76,   -76,   160,   164,   -76,   -76,    99,
+      13,    14,    15,    16,    17,    18,    19,    20,    91,   106,
+      21,    22,    14,    15,   140,    17,    18,    19,    20,   168,
+     175,    21,    22,   177,   181,   182,   183,    32,   187,   167,
+     188,   169,   170,   171,   185,   189,    53,    51,    32,   176,
+      75,   178,   121,     0,   133,   162,     0,     0,     0,     0,
+     184
 };
 
 static const yytype_int16 yycheck[] =
 {
-       5,     6,     0,     8,    58,    59,    11,    86,    87,     4,
-       5,     6,     7,     8,     9,    10,    11,    30,    97,    14,
-      15,    27,    25,    26,    25,    26,    29,    33,    30,    83,
-      84,    34,    25,    67,    25,    30,    70,    30,    72,     0,
-       1,    95,     3,     4,     5,     6,     7,     8,     9,    10,
-      11,    12,    25,    14,    15,    16,    17,    18,    19,    20,
-      21,    22,    23,    30,    25,    25,     1,   146,    30,    30,
-       5,     6,     1,     8,     9,    10,    11,    12,     1,    14,
-      15,    16,    17,    18,    19,    20,   140,    30,    93,    67,
-      25,    30,    70,    30,    72,    30,    28,    25,    26,    31,
-      32,   155,    24,   108,     0,     1,    30,     3,     4,     5,
-       6,     7,     8,     9,    10,    11,    12,    30,    14,    15,
-      16,    17,    18,    19,    20,    21,    22,    23,    69,    25,
-      71,    30,     0,     1,    30,     3,     4,     5,     6,     7,
-       8,     9,    10,    11,    31,    32,    14,    15,    16,    17,
-      18,    19,    20,    21,    22,     5,     6,    25,     8,     9,
-      10,    11,    30,    30,    14,    15,    30,     0,     1,   174,
-       3,     4,     5,     6,     7,     8,     9,    10,    11,    30,
-      30,    14,    15,    16,    17,    18,    19,    20,    21,    22,
-      68,    69,    25,    71,    69,     1,    71,    30,     4,     5,
-       6,     7,     8,     9,    10,    11,    30,    30,    14,    15,
-      16,    14,   143,   144,   145,    68,    69,    30,    71,    25,
-     151,    25,   153,     1,    30,    30,    31,    32,    31,    32,
-     161,    30,    31,    32,    13,    30,    25,    14,    32,    30,
-      30,    33,    30,    30,    30,    30,    30,    30,    30,    29,
-      67,   109,    60,    -1,    -1,    -1,    -1,    -1,    -1,    40
+       1,    67,    68,    10,    93,    94,    76,     3,    76,    14,
+      28,    81,    13,    81,    15,   104,    34,    18,     3,    32,
+      33,    23,    26,    27,    90,    91,    30,    32,    33,    31,
+      78,    35,    80,     0,     1,    31,   102,     4,     5,     6,
+       7,     8,     9,    10,    11,    12,    31,    14,    15,    16,
+      17,    18,    19,    20,    21,    22,    23,    24,    78,    26,
+      80,    26,    69,   133,    31,   133,    31,   156,    26,    27,
+      29,     0,     1,    32,    33,     4,     5,     6,     7,     8,
+       9,    10,    11,    12,   150,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    24,     0,    26,   164,   100,
+      77,    78,    31,    80,    77,    78,    31,    80,    31,    32,
+      33,     0,     1,    31,   115,     4,     5,     6,     7,     8,
+       9,    10,    11,    26,    27,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    31,    26,    26,    31,     0,
+       1,    26,    31,     4,     5,     6,     7,     8,     9,    10,
+      11,    26,    31,    14,    15,    16,    17,    18,    19,    20,
+      21,    22,    23,     1,     1,    26,    31,    32,    33,    31,
+      31,     0,     1,    31,    31,     4,     5,     6,     7,     8,
+       9,    10,    11,    31,   185,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    31,     1,    26,    31,    31,
+       5,     6,    31,     8,     9,    10,    11,    12,    31,    14,
+      15,    16,    17,    18,    19,    20,    31,    31,    31,    25,
+       1,    26,    26,    13,     1,    26,    31,     4,     5,     6,
+       7,     8,     9,    10,    11,    31,    14,    14,    15,    16,
+       4,     5,     6,     7,     8,     9,    10,    11,    33,    26,
+      14,    15,     5,     6,    31,     8,     9,    10,    11,    31,
+      31,    14,    15,    31,    31,    31,    31,    31,    31,   151,
+      31,   153,   154,   155,    34,    31,     7,     6,    31,   161,
+      37,   163,    76,    -1,    79,   116,    -1,    -1,    -1,    -1,
+     172
 };
 
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
    symbol of state STATE-NUM.  */
 static const yytype_uint8 yystos[] =
 {
-       0,    36,    37,     0,     1,     3,     4,     5,     6,     7,
-       8,     9,    10,    11,    14,    15,    16,    17,    18,    19,
-      20,    21,    22,    25,    30,    38,    39,    41,    42,    43,
-      44,    50,    51,    53,    57,    59,    61,    62,    64,    66,
-      67,    68,    75,    30,    25,    26,    74,    74,    30,    74,
-      25,    80,    30,    74,    25,    25,    25,    26,    29,    34,
-      78,    79,    30,     1,     1,    45,    45,    54,    56,    60,
-      71,    65,    71,    30,    76,    30,    30,    30,    30,    30,
-      30,    78,    78,    31,    32,    76,    27,    33,    30,    30,
-       1,    12,    16,    18,    19,    20,    21,    22,    23,    25,
-      30,    40,    46,    47,    69,    70,    72,    17,    18,    19,
-      20,    30,    40,    55,    70,    72,    39,    52,    75,    39,
-      53,    58,    64,    75,    30,    40,    72,    39,    53,    63,
-      64,    75,    30,    28,    78,    78,    79,    79,    30,    30,
-      24,    74,    73,    74,    78,    25,    79,    48,     1,    13,
-      30,    74,    73,    25,    78,    14,    77,    30,    77,    77,
-      77,    79,    25,    30,    30,    77,    30,    77,    30,    78,
-      30,    30,    30,    77,    33,    49,    30,    30,    30,    74
+       0,     3,    31,    37,    38,    39,    63,    81,    26,    27,
+      79,     0,     1,     4,     5,     6,     7,     8,     9,    10,
+      11,    14,    15,    16,    17,    18,    19,    20,    21,    22,
+      23,    26,    31,    40,    41,    43,    44,    45,    46,    52,
+      53,    55,    59,    61,    64,    65,    67,    69,    70,    71,
+      80,    39,    31,    38,    81,    31,    79,    31,    79,    26,
+      85,    31,    79,    26,    26,    26,    27,    30,    35,    83,
+      84,    31,     1,     1,    47,    47,    56,    58,    62,    76,
+      68,    74,    31,    31,    31,    31,    31,    31,    83,    83,
+      32,    33,    81,    28,    34,    31,    31,     1,    12,    16,
+      18,    19,    20,    21,    22,    24,    26,    31,    42,    48,
+      49,    72,    73,    75,    17,    18,    19,    20,    31,    42,
+      57,    73,    75,    41,    54,    80,    41,    55,    60,    67,
+      80,    23,    31,    74,    77,    41,    55,    66,    67,    80,
+      31,    42,    75,    29,    83,    83,    84,    84,    31,    31,
+      25,    79,    78,    79,    83,    26,    84,    50,     1,    13,
+      31,    79,    78,    26,    14,    82,    83,    82,    31,    82,
+      82,    82,    84,    26,    31,    31,    82,    31,    82,    83,
+      31,    31,    31,    31,    82,    34,    51,    31,    31,    31,
+      79
 };
 
 #define yyerrok		(yyerrstatus = 0)
@@ -1284,7 +1302,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 
   switch (yytype)
     {
-      case 51: /* "choice_entry" */
+      case 53: /* "choice_entry" */
 
 	{
 	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1294,7 +1312,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 };
 
 	break;
-      case 57: /* "if_entry" */
+      case 59: /* "if_entry" */
 
 	{
 	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1304,7 +1322,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 };
 
 	break;
-      case 62: /* "menu_entry" */
+      case 65: /* "menu_entry" */
 
 	{
 	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1614,39 +1632,39 @@ yyreduce:
   YY_REDUCE_PRINT (yyn);
   switch (yyn)
     {
-        case 8:
+        case 10:
 
     { zconf_error("unexpected end statement"); ;}
     break;
 
-  case 9:
+  case 11:
 
     { zconf_error("unknown statement \"%s\"", (yyvsp[(2) - (4)].string)); ;}
     break;
 
-  case 10:
+  case 12:
 
     {
 	zconf_error("unexpected option \"%s\"", kconf_id_strings + (yyvsp[(2) - (4)].id)->name);
 ;}
     break;
 
-  case 11:
+  case 13:
 
     { zconf_error("invalid statement"); ;}
     break;
 
-  case 25:
+  case 28:
 
     { zconf_error("unknown option \"%s\"", (yyvsp[(1) - (3)].string)); ;}
     break;
 
-  case 26:
+  case 29:
 
     { zconf_error("invalid option"); ;}
     break;
 
-  case 27:
+  case 30:
 
     {
 	struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0);
@@ -1656,7 +1674,7 @@ yyreduce:
 ;}
     break;
 
-  case 28:
+  case 31:
 
     {
 	menu_end_entry();
@@ -1664,7 +1682,7 @@ yyreduce:
 ;}
     break;
 
-  case 29:
+  case 32:
 
     {
 	struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0);
@@ -1674,7 +1692,7 @@ yyreduce:
 ;}
     break;
 
-  case 30:
+  case 33:
 
     {
 	if (current_entry->prompt)
@@ -1686,7 +1704,7 @@ yyreduce:
 ;}
     break;
 
-  case 38:
+  case 41:
 
     {
 	menu_set_type((yyvsp[(1) - (3)].id)->stype);
@@ -1696,7 +1714,7 @@ yyreduce:
 ;}
     break;
 
-  case 39:
+  case 42:
 
     {
 	menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr));
@@ -1704,7 +1722,7 @@ yyreduce:
 ;}
     break;
 
-  case 40:
+  case 43:
 
     {
 	menu_add_expr(P_DEFAULT, (yyvsp[(2) - (4)].expr), (yyvsp[(3) - (4)].expr));
@@ -1716,7 +1734,7 @@ yyreduce:
 ;}
     break;
 
-  case 41:
+  case 44:
 
     {
 	menu_add_symbol(P_SELECT, sym_lookup((yyvsp[(2) - (4)].string), 0), (yyvsp[(3) - (4)].expr));
@@ -1724,7 +1742,7 @@ yyreduce:
 ;}
     break;
 
-  case 42:
+  case 45:
 
     {
 	menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,(yyvsp[(2) - (5)].symbol), (yyvsp[(3) - (5)].symbol)), (yyvsp[(4) - (5)].expr));
@@ -1732,7 +1750,7 @@ yyreduce:
 ;}
     break;
 
-  case 45:
+  case 48:
 
     {
 	struct kconf_id *id = kconf_id_lookup((yyvsp[(2) - (3)].string), strlen((yyvsp[(2) - (3)].string)));
@@ -1744,17 +1762,17 @@ yyreduce:
 ;}
     break;
 
-  case 46:
+  case 49:
 
     { (yyval.string) = NULL; ;}
     break;
 
-  case 47:
+  case 50:
 
     { (yyval.string) = (yyvsp[(2) - (2)].string); ;}
     break;
 
-  case 48:
+  case 51:
 
     {
 	struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), SYMBOL_CHOICE);
@@ -1765,14 +1783,14 @@ yyreduce:
 ;}
     break;
 
-  case 49:
+  case 52:
 
     {
 	(yyval.menu) = menu_add_menu();
 ;}
     break;
 
-  case 50:
+  case 53:
 
     {
 	if (zconf_endtoken((yyvsp[(1) - (1)].id), T_CHOICE, T_ENDCHOICE)) {
@@ -1782,7 +1800,7 @@ yyreduce:
 ;}
     break;
 
-  case 58:
+  case 61:
 
     {
 	menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr));
@@ -1790,7 +1808,7 @@ yyreduce:
 ;}
     break;
 
-  case 59:
+  case 62:
 
     {
 	if ((yyvsp[(1) - (3)].id)->stype == S_BOOLEAN || (yyvsp[(1) - (3)].id)->stype == S_TRISTATE) {
@@ -1803,7 +1821,7 @@ yyreduce:
 ;}
     break;
 
-  case 60:
+  case 63:
 
     {
 	current_entry->sym->flags |= SYMBOL_OPTIONAL;
@@ -1811,7 +1829,7 @@ yyreduce:
 ;}
     break;
 
-  case 61:
+  case 64:
 
     {
 	if ((yyvsp[(1) - (4)].id)->stype == S_UNKNOWN) {
@@ -1823,7 +1841,7 @@ yyreduce:
 ;}
     break;
 
-  case 64:
+  case 67:
 
     {
 	printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
@@ -1833,7 +1851,7 @@ yyreduce:
 ;}
     break;
 
-  case 65:
+  case 68:
 
     {
 	if (zconf_endtoken((yyvsp[(1) - (1)].id), T_IF, T_ENDIF)) {
@@ -1843,7 +1861,14 @@ yyreduce:
 ;}
     break;
 
-  case 71:
+  case 74:
+
+    {
+	menu_add_prompt(P_MENU, (yyvsp[(2) - (3)].string), NULL);
+;}
+    break;
+
+  case 75:
 
     {
 	menu_add_entry(NULL);
@@ -1852,14 +1877,14 @@ yyreduce:
 ;}
     break;
 
-  case 72:
+  case 76:
 
     {
 	(yyval.menu) = menu_add_menu();
 ;}
     break;
 
-  case 73:
+  case 77:
 
     {
 	if (zconf_endtoken((yyvsp[(1) - (1)].id), T_MENU, T_ENDMENU)) {
@@ -1869,7 +1894,7 @@ yyreduce:
 ;}
     break;
 
-  case 79:
+  case 83:
 
     {
 	printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), (yyvsp[(2) - (3)].string));
@@ -1877,7 +1902,7 @@ yyreduce:
 ;}
     break;
 
-  case 80:
+  case 84:
 
     {
 	menu_add_entry(NULL);
@@ -1886,14 +1911,14 @@ yyreduce:
 ;}
     break;
 
-  case 81:
+  case 85:
 
     {
 	menu_end_entry();
 ;}
     break;
 
-  case 82:
+  case 86:
 
     {
 	printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
@@ -1901,14 +1926,14 @@ yyreduce:
 ;}
     break;
 
-  case 83:
+  case 87:
 
     {
 	current_entry->help = (yyvsp[(2) - (2)].string);
 ;}
     break;
 
-  case 88:
+  case 92:
 
     {
 	menu_add_dep((yyvsp[(3) - (4)].expr));
@@ -1916,84 +1941,91 @@ yyreduce:
 ;}
     break;
 
-  case 90:
+  case 96:
+
+    {
+	menu_add_visibility((yyvsp[(2) - (2)].expr));
+;}
+    break;
+
+  case 98:
 
     {
 	menu_add_prompt(P_PROMPT, (yyvsp[(1) - (2)].string), (yyvsp[(2) - (2)].expr));
 ;}
     break;
 
-  case 93:
+  case 101:
 
     { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
     break;
 
-  case 94:
+  case 102:
 
     { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
     break;
 
-  case 95:
+  case 103:
 
     { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
     break;
 
-  case 98:
+  case 106:
 
     { (yyval.expr) = NULL; ;}
     break;
 
-  case 99:
+  case 107:
 
     { (yyval.expr) = (yyvsp[(2) - (2)].expr); ;}
     break;
 
-  case 100:
+  case 108:
 
     { (yyval.expr) = expr_alloc_symbol((yyvsp[(1) - (1)].symbol)); ;}
     break;
 
-  case 101:
+  case 109:
 
     { (yyval.expr) = expr_alloc_comp(E_EQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;}
     break;
 
-  case 102:
+  case 110:
 
     { (yyval.expr) = expr_alloc_comp(E_UNEQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;}
     break;
 
-  case 103:
+  case 111:
 
     { (yyval.expr) = (yyvsp[(2) - (3)].expr); ;}
     break;
 
-  case 104:
+  case 112:
 
     { (yyval.expr) = expr_alloc_one(E_NOT, (yyvsp[(2) - (2)].expr)); ;}
     break;
 
-  case 105:
+  case 113:
 
     { (yyval.expr) = expr_alloc_two(E_OR, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;}
     break;
 
-  case 106:
+  case 114:
 
     { (yyval.expr) = expr_alloc_two(E_AND, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;}
     break;
 
-  case 107:
+  case 115:
 
     { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), 0); free((yyvsp[(1) - (1)].string)); ;}
     break;
 
-  case 108:
+  case 116:
 
     { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), SYMBOL_CONST); free((yyvsp[(1) - (1)].string)); ;}
     break;
 
-  case 109:
+  case 117:
 
     { (yyval.string) = NULL; ;}
     break;
@@ -2239,6 +2271,10 @@ void conf_parse(const char *name)
 		prop = prop_alloc(P_DEFAULT, modules_sym);
 		prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
 	}
+
+	rootmenu.prompt->text = _(rootmenu.prompt->text);
+	rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
+
 	menu_finalize(&rootmenu);
 	for_all_symbols(i, sym) {
 		if (sym_check_deps(sym))
@@ -2259,6 +2295,7 @@ static const char *zconf_tokenname(int token)
 	case T_IF:		return "if";
 	case T_ENDIF:		return "endif";
 	case T_DEPENDS:		return "depends";
+	case T_VISIBLE:		return "visible";
 	}
 	return "<token>";
 }
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 23dfd3baa7..49fb4ab664 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -36,7 +36,7 @@ static struct menu *current_menu, *current_entry;
 #define YYERROR_VERBOSE
 #endif
 %}
-%expect 26
+%expect 30
 
 %union
 {
@@ -68,6 +68,7 @@ static struct menu *current_menu, *current_entry;
 %token <id>T_DEFAULT
 %token <id>T_SELECT
 %token <id>T_RANGE
+%token <id>T_VISIBLE
 %token <id>T_OPTION
 %token <id>T_ON
 %token <string> T_WORD
@@ -104,14 +105,15 @@ static struct menu *current_menu, *current_entry;
 %}
 
 %%
-input: stmt_list;
+input: nl start | start;
+
+start: mainmenu_stmt stmt_list | stmt_list;
 
 stmt_list:
 	  /* empty */
 	| stmt_list common_stmt
 	| stmt_list choice_stmt
 	| stmt_list menu_stmt
-	| stmt_list T_MAINMENU prompt nl
 	| stmt_list end			{ zconf_error("unexpected end statement"); }
 	| stmt_list T_WORD error T_EOL	{ zconf_error("unknown statement \"%s\"", $2); }
 	| stmt_list option_name error T_EOL
@@ -122,7 +124,7 @@ stmt_list:
 ;
 
 option_name:
-	T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT
+	T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
 ;
 
 common_stmt:
@@ -342,6 +344,13 @@ if_block:
 	| if_block choice_stmt
 ;
 
+/* mainmenu entry */
+
+mainmenu_stmt: T_MAINMENU prompt nl
+{
+	menu_add_prompt(P_MENU, $2, NULL);
+};
+
 /* menu entry */
 
 menu: T_MENU prompt T_EOL
@@ -351,7 +360,7 @@ menu: T_MENU prompt T_EOL
 	printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
 };
 
-menu_entry: menu depends_list
+menu_entry: menu visibility_list depends_list
 {
 	$$ = menu_add_menu();
 };
@@ -422,6 +431,19 @@ depends: T_DEPENDS T_ON expr T_EOL
 	printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
 };
 
+/* visibility option */
+
+visibility_list:
+	  /* empty */
+	| visibility_list visible
+	| visibility_list T_EOL
+;
+
+visible: T_VISIBLE if_expr
+{
+	menu_add_visibility($2);
+};
+
 /* prompt statement */
 
 prompt_stmt_opt:
@@ -494,6 +516,10 @@ void conf_parse(const char *name)
 		prop = prop_alloc(P_DEFAULT, modules_sym);
 		prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
 	}
+
+	rootmenu.prompt->text = _(rootmenu.prompt->text);
+	rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
+
 	menu_finalize(&rootmenu);
 	for_all_symbols(i, sym) {
 		if (sym_check_deps(sym))
@@ -514,6 +540,7 @@ static const char *zconf_tokenname(int token)
 	case T_IF:		return "if";
 	case T_ENDIF:		return "endif";
 	case T_DEPENDS:		return "depends";
+	case T_VISIBLE:		return "visible";
 	}
 	return "<token>";
 }
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 4075c35d37..08b75b67f1 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1317,7 +1317,7 @@ void buf_write(struct buffer *buf, const char *s, int len)
 {
 	if (buf->size - buf->pos < len) {
 		buf->size += len + SZ;
-		buf->p = realloc(buf->p, buf->size);
+		buf->p = NOFAIL(realloc(buf->p, buf->size));
 	}
 	strncpy(buf->p + buf->pos, s, len);
 	buf->pos += len;