diff --git a/MAINTAINERS b/MAINTAINERS
index 7a9ccda..5b42290 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -971,6 +971,16 @@
 W:	http://www.mcuos.com
 S:	Maintained
 
+ARM/U300 MACHINE SUPPORT
+M:	Linus Walleij <linus.walleij@stericsson.com>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:	Supported
+F:	arch/arm/mach-u300/
+F:	drivers/i2c/busses/i2c-stu300.c
+F:	drivers/rtc/rtc-coh901331.c
+F:	drivers/watchdog/coh901327_wdt.c
+F:	drivers/dma/coh901318*
+
 ARM/U8500 ARM ARCHITECTURE
 M:	Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 0f23009..6ab6b33 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -172,7 +172,7 @@
 		adr	r0, LC0
  ARM(		ldmia	r0, {r1, r2, r3, r4, r5, r6, r11, ip, sp})
  THUMB(		ldmia	r0, {r1, r2, r3, r4, r5, r6, r11, ip}	)
- THUMB(		ldr	sp, [r0, #28]				)
+ THUMB(		ldr	sp, [r0, #32]				)
 		subs	r0, r0, r1		@ calculate the delta offset
 
 						@ if delta is zero, we are
diff --git a/arch/arm/mach-at91/pm_slowclock.S b/arch/arm/mach-at91/pm_slowclock.S
index 987fab3..9fcbd6c 100644
--- a/arch/arm/mach-at91/pm_slowclock.S
+++ b/arch/arm/mach-at91/pm_slowclock.S
@@ -205,13 +205,25 @@
 	ldr	r3, .saved_pllbr
 	str	r3, [r1, #(AT91_CKGR_PLLBR - AT91_PMC)]
 
+	tst	r3, #(AT91_PMC_MUL &  0xff0000)
+	bne	1f
+	tst	r3, #(AT91_PMC_MUL & ~0xff0000)
+	beq	2f
+1:
 	wait_pllblock
+2:
 
 	/* Restore PLLA setting */
 	ldr	r3, .saved_pllar
 	str	r3, [r1, #(AT91_CKGR_PLLAR - AT91_PMC)]
 
+	tst	r3, #(AT91_PMC_MUL &  0xff0000)
+	bne	3f
+	tst	r3, #(AT91_PMC_MUL & ~0xff0000)
+	beq	4f
+3:
 	wait_pllalock
+4:
 
 #ifdef SLOWDOWN_MASTER_CLOCK
 	/*
diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c
index 2ccf670..29c0a91 100644
--- a/arch/arm/mach-bcmring/dma.c
+++ b/arch/arm/mach-bcmring/dma.c
@@ -2221,11 +2221,15 @@
 int dma_unmap(DMA_MemMap_t *memMap,	/* Stores state information about the map */
 	      int dirtied	/* non-zero if any of the pages were modified */
     ) {
+
+	int rc = 0;
 	int regionIdx;
 	int segmentIdx;
 	DMA_Region_t *region;
 	DMA_Segment_t *segment;
 
+	down(&memMap->lock);
+
 	for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) {
 		region = &memMap->region[regionIdx];
 
@@ -2239,7 +2243,8 @@
 					printk(KERN_ERR
 					       "%s: vmalloc'd pages are not yet supported\n",
 					       __func__);
-					return -EINVAL;
+					rc = -EINVAL;
+					goto out;
 				}
 
 			case DMA_MEM_TYPE_KMALLOC:
@@ -2276,7 +2281,8 @@
 					printk(KERN_ERR
 					       "%s: Unsupported memory type: %d\n",
 					       __func__, region->memType);
-					return -EINVAL;
+					rc = -EINVAL;
+					goto out;
 				}
 			}
 
@@ -2314,9 +2320,10 @@
 	memMap->numRegionsUsed = 0;
 	memMap->inUse = 0;
 
+out:
 	up(&memMap->lock);
 
-	return 0;
+	return rc;
 }
 
 EXPORT_SYMBOL(dma_unmap);
diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c
index cc377ae..cf547ad 100644
--- a/arch/arm/mach-ep93xx/gpio.c
+++ b/arch/arm/mach-ep93xx/gpio.c
@@ -25,7 +25,7 @@
 #include <mach/hardware.h>
 
 /*************************************************************************
- * GPIO handling for EP93xx
+ * Interrupt handling for EP93xx on-chip GPIOs
  *************************************************************************/
 static unsigned char gpio_int_unmasked[3];
 static unsigned char gpio_int_enabled[3];
@@ -40,7 +40,7 @@
 static const u8 int_en_register_offset[3]	= { 0x9c, 0xb8, 0x58 };
 static const u8 int_debounce_register_offset[3]	= { 0xa8, 0xc4, 0x64 };
 
-void ep93xx_gpio_update_int_params(unsigned port)
+static void ep93xx_gpio_update_int_params(unsigned port)
 {
 	BUG_ON(port > 2);
 
@@ -56,7 +56,7 @@
 		EP93XX_GPIO_REG(int_en_register_offset[port]));
 }
 
-void ep93xx_gpio_int_mask(unsigned line)
+static inline void ep93xx_gpio_int_mask(unsigned line)
 {
 	gpio_int_unmasked[line >> 3] &= ~(1 << (line & 7));
 }
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 3872af1..170f68e 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -62,6 +62,15 @@
 	  Include support for MX31PDK (3DS) platform. This includes specific
 	  configurations for the board and its peripherals.
 
+config MACH_MX31_3DS_MXC_NAND_USE_BBT
+	bool "Make the MXC NAND driver use the in flash Bad Block Table"
+	depends on MACH_MX31_3DS
+	depends on MTD_NAND_MXC
+	help
+	  Enable this if you want that the MXC NAND driver uses the in flash
+	  Bad Block Table to know what blocks are bad instead of scanning the
+	  entire flash looking for bad block markers.
+
 config MACH_MX31MOBOARD
 	bool "Support mx31moboard platforms (EPFL Mobots group)"
 	select ARCH_MX31
@@ -95,6 +104,7 @@
 config MACH_ARMADILLO5X0
 	bool "Support Atmark Armadillo-500 Development Base Board"
 	select ARCH_MX31
+	select MXC_ULPI if USB_ULPI
 	help
 	  Include support for Atmark Armadillo-500 platform. This includes
 	  specific configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx3/clock-imx31.c b/arch/arm/mach-mx3/clock-imx31.c
index 80dba99..9a9eb6d 100644
--- a/arch/arm/mach-mx3/clock-imx31.c
+++ b/arch/arm/mach-mx3/clock-imx31.c
@@ -468,6 +468,7 @@
 	}
 
 DEFINE_CLOCK(perclk_clk,  0, NULL,          0, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(ckil_clk,    0, NULL,          0, clk_ckil_get_rate, NULL, NULL);
 
 DEFINE_CLOCK(sdhc1_clk,   0, MXC_CCM_CGR0,  0, NULL, NULL, &perclk_clk);
 DEFINE_CLOCK(sdhc2_clk,   1, MXC_CCM_CGR0,  2, NULL, NULL, &perclk_clk);
@@ -490,7 +491,7 @@
 DEFINE_CLOCK(mstick1_clk, 0, MXC_CCM_CGR1,  2, mstick1_get_rate, NULL, &usb_pll_clk);
 DEFINE_CLOCK(mstick2_clk, 1, MXC_CCM_CGR1,  4, mstick2_get_rate, NULL, &usb_pll_clk);
 DEFINE_CLOCK1(csi_clk,    0, MXC_CCM_CGR1,  6, csi, NULL, &serial_pll_clk);
-DEFINE_CLOCK(rtc_clk,     0, MXC_CCM_CGR1,  8, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(rtc_clk,     0, MXC_CCM_CGR1,  8, NULL, NULL, &ckil_clk);
 DEFINE_CLOCK(wdog_clk,    0, MXC_CCM_CGR1, 10, NULL, NULL, &ipg_clk);
 DEFINE_CLOCK(pwm_clk,     0, MXC_CCM_CGR1, 12, NULL, NULL, &perclk_clk);
 DEFINE_CLOCK(usb_clk2,    0, MXC_CCM_CGR1, 18, usb_get_rate, NULL, &ahb_clk);
@@ -514,7 +515,6 @@
 DEFINE_CLOCK(nfc_clk,     0, NULL,          0, nfc_get_rate, NULL, &ahb_clk);
 DEFINE_CLOCK(scc_clk,     0, NULL,          0, NULL, NULL, &ipg_clk);
 DEFINE_CLOCK(ipg_clk,     0, NULL,          0, ipg_get_rate, NULL, &ahb_clk);
-DEFINE_CLOCK(ckil_clk,    0, NULL,          0, clk_ckil_get_rate, NULL, NULL);
 
 #define _REGISTER_CLOCK(d, n, c) \
 	{ \
@@ -572,7 +572,6 @@
 	_REGISTER_CLOCK(NULL, "iim", iim_clk)
 	_REGISTER_CLOCK(NULL, "mpeg4", mpeg4_clk)
 	_REGISTER_CLOCK(NULL, "mbx", mbx_clk)
-	_REGISTER_CLOCK("mxc_rtc", NULL, ckil_clk)
 };
 
 int __init mx31_clocks_init(unsigned long fref)
diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index 6adb586..f891115 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -575,11 +575,26 @@
 	.resource = imx_ssi_resources1,
 };
 
-static int mx3_devices_init(void)
+static struct resource imx_wdt_resources[] = {
+	{
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+struct platform_device imx_wdt_device0 = {
+	.name           = "imx-wdt",
+	.id             = 0,
+	.num_resources  = ARRAY_SIZE(imx_wdt_resources),
+	.resource       = imx_wdt_resources,
+};
+
+static int __init mx3_devices_init(void)
 {
 	if (cpu_is_mx31()) {
 		mxc_nand_resources[0].start = MX31_NFC_BASE_ADDR;
 		mxc_nand_resources[0].end = MX31_NFC_BASE_ADDR + 0xfff;
+		imx_wdt_resources[0].start = MX31_WDOG_BASE_ADDR;
+		imx_wdt_resources[0].end = MX31_WDOG_BASE_ADDR + 0x3fff;
 		mxc_register_device(&mxc_rnga_device, NULL);
 	}
 	if (cpu_is_mx35()) {
@@ -597,6 +612,8 @@
 		imx_ssi_resources0[1].end = MX35_INT_SSI1;
 		imx_ssi_resources1[1].start = MX35_INT_SSI2;
 		imx_ssi_resources1[1].end = MX35_INT_SSI2;
+		imx_wdt_resources[0].start = MX35_WDOG_BASE_ADDR;
+		imx_wdt_resources[0].end = MX35_WDOG_BASE_ADDR + 0x3fff;
 	}
 
 	return 0;
diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h
index 42cf175..4f77eb5 100644
--- a/arch/arm/mach-mx3/devices.h
+++ b/arch/arm/mach-mx3/devices.h
@@ -25,4 +25,5 @@
 extern struct platform_device mxc_spi_device2;
 extern struct platform_device imx_ssi_device0;
 extern struct platform_device imx_ssi_device1;
-
+extern struct platform_device imx_ssi_device1;
+extern struct platform_device imx_wdt_device0;
diff --git a/arch/arm/mach-mx3/mach-armadillo5x0.c b/arch/arm/mach-mx3/mach-armadillo5x0.c
index 3d72b0b..5f72ec9 100644
--- a/arch/arm/mach-mx3/mach-armadillo5x0.c
+++ b/arch/arm/mach-mx3/mach-armadillo5x0.c
@@ -36,6 +36,9 @@
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
 #include <linux/i2c.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+#include <linux/delay.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -52,6 +55,8 @@
 #include <mach/ipu.h>
 #include <mach/mx3fb.h>
 #include <mach/mxc_nand.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
 
 #include "devices.h"
 #include "crm_regs.h"
@@ -103,8 +108,158 @@
 	/* I2C2 */
 	MX31_PIN_CSPI2_MOSI__SCL,
 	MX31_PIN_CSPI2_MISO__SDA,
+	/* OTG */
+	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
+	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
+	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
+	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
+	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
+	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
+	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
+	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
+	MX31_PIN_USBOTG_CLK__USBOTG_CLK,
+	MX31_PIN_USBOTG_DIR__USBOTG_DIR,
+	MX31_PIN_USBOTG_NXT__USBOTG_NXT,
+	MX31_PIN_USBOTG_STP__USBOTG_STP,
+	/* USB host 2 */
+	IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
 };
 
+/* USB */
+#if defined(CONFIG_USB_ULPI)
+
+#define OTG_RESET IOMUX_TO_GPIO(MX31_PIN_STXD4)
+#define USBH2_RESET IOMUX_TO_GPIO(MX31_PIN_SCK6)
+#define USBH2_CS IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)
+
+#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+			PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+static int usbotg_init(struct platform_device *pdev)
+{
+	int err;
+
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
+
+	/* Chip already enabled by hardware */
+	/* OTG phy reset*/
+	err = gpio_request(OTG_RESET, "USB-OTG-RESET");
+	if (err) {
+		pr_err("Failed to request the usb otg reset gpio\n");
+		return err;
+	}
+
+	err = gpio_direction_output(OTG_RESET, 1/*HIGH*/);
+	if (err) {
+		pr_err("Failed to reset the usb otg phy\n");
+		goto otg_free_reset;
+	}
+
+	gpio_set_value(OTG_RESET, 0/*LOW*/);
+	mdelay(5);
+	gpio_set_value(OTG_RESET, 1/*HIGH*/);
+
+	return 0;
+
+otg_free_reset:
+	gpio_free(OTG_RESET);
+	return err;
+}
+
+static int usbh2_init(struct platform_device *pdev)
+{
+	int err;
+
+	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
+
+	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
+
+
+	/* Enable the chip */
+	err = gpio_request(USBH2_CS, "USB-H2-CS");
+	if (err) {
+		pr_err("Failed to request the usb host 2 CS gpio\n");
+		return err;
+	}
+
+	err = gpio_direction_output(USBH2_CS, 0/*Enabled*/);
+	if (err) {
+		pr_err("Failed to drive the usb host 2 CS gpio\n");
+		goto h2_free_cs;
+	}
+
+	/* H2 phy reset*/
+	err = gpio_request(USBH2_RESET, "USB-H2-RESET");
+	if (err) {
+		pr_err("Failed to request the usb host 2 reset gpio\n");
+		goto h2_free_cs;
+	}
+
+	err = gpio_direction_output(USBH2_RESET, 1/*HIGH*/);
+	if (err) {
+		pr_err("Failed to reset the usb host 2 phy\n");
+		goto h2_free_reset;
+	}
+
+	gpio_set_value(USBH2_RESET, 0/*LOW*/);
+	mdelay(5);
+	gpio_set_value(USBH2_RESET, 1/*HIGH*/);
+
+	return 0;
+
+h2_free_reset:
+	gpio_free(USBH2_RESET);
+h2_free_cs:
+	gpio_free(USBH2_CS);
+	return err;
+}
+
+static struct mxc_usbh_platform_data usbotg_pdata = {
+	.init	= usbotg_init,
+	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+	.flags	= MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static struct mxc_usbh_platform_data usbh2_pdata = {
+	.init	= usbh2_init,
+	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+	.flags	= MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+#endif /* CONFIG_USB_ULPI */
+
 /* RTC over I2C*/
 #define ARMADILLO5X0_RTC_GPIO	IOMUX_TO_GPIO(MX31_PIN_SRXD4)
 
@@ -393,6 +548,17 @@
 	if (armadillo5x0_i2c_rtc.irq == 0)
 		pr_warning("armadillo5x0_init: failed to get RTC IRQ\n");
 	i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1);
+
+	/* USB */
+#if defined(CONFIG_USB_ULPI)
+	usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+			USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+	usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+			USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+	mxc_register_device(&mxc_otg_host, &usbotg_pdata);
+	mxc_register_device(&mxc_usbh2, &usbh2_pdata);
+#endif
 }
 
 static void __init armadillo5x0_timer_init(void)
diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index b88c18a..f54af1e 100644
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -23,6 +23,9 @@
 #include <linux/gpio.h>
 #include <linux/smsc911x.h>
 #include <linux/platform_device.h>
+#include <linux/mfd/mc13783.h>
+#include <linux/spi/spi.h>
+#include <linux/regulator/machine.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -31,26 +34,96 @@
 #include <asm/memory.h>
 #include <asm/mach/map.h>
 #include <mach/common.h>
-#include <mach/board-mx31pdk.h>
+#include <mach/board-mx31_3ds.h>
 #include <mach/imx-uart.h>
 #include <mach/iomux-mx3.h>
+#include <mach/mxc_nand.h>
+#include <mach/spi.h>
 #include "devices.h"
 
 /*!
- * @file mx31pdk.c
+ * @file mx31_3ds.c
  *
  * @brief This file contains the board-specific initialization routines.
  *
  * @ingroup System
  */
 
-static int mx31pdk_pins[] = {
+static int mx31_3ds_pins[] = {
 	/* UART1 */
 	MX31_PIN_CTS1__CTS1,
 	MX31_PIN_RTS1__RTS1,
 	MX31_PIN_TXD1__TXD1,
 	MX31_PIN_RXD1__RXD1,
 	IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
+	/* SPI 1 */
+	MX31_PIN_CSPI2_SCLK__SCLK,
+	MX31_PIN_CSPI2_MOSI__MOSI,
+	MX31_PIN_CSPI2_MISO__MISO,
+	MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
+	MX31_PIN_CSPI2_SS0__SS0,
+	MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
+	/* MC13783 IRQ */
+	IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
+};
+
+/* Regulators */
+static struct regulator_init_data pwgtx_init = {
+	.constraints = {
+		.boot_on	= 1,
+		.always_on	= 1,
+	},
+};
+
+static struct mc13783_regulator_init_data mx31_3ds_regulators[] = {
+	{
+		.id = MC13783_REGU_PWGT1SPI, /* Power Gate for ARM core. */
+		.init_data = &pwgtx_init,
+	}, {
+		.id = MC13783_REGU_PWGT2SPI, /* Power Gate for L2 Cache. */
+		.init_data = &pwgtx_init,
+	},
+};
+
+/* MC13783 */
+static struct mc13783_platform_data mc13783_pdata __initdata = {
+	.regulators = mx31_3ds_regulators,
+	.num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
+	.flags  = MC13783_USE_REGULATOR,
+};
+
+/* SPI */
+static int spi1_internal_chipselect[] = {
+	MXC_SPI_CS(0),
+	MXC_SPI_CS(2),
+};
+
+static struct spi_imx_master spi1_pdata = {
+	.chipselect	= spi1_internal_chipselect,
+	.num_chipselect	= ARRAY_SIZE(spi1_internal_chipselect),
+};
+
+static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
+	{
+		.modalias	= "mc13783",
+		.max_speed_hz	= 1000000,
+		.bus_num	= 1,
+		.chip_select	= 1, /* SS2 */
+		.platform_data	= &mc13783_pdata,
+		.irq		= IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
+		.mode = SPI_CS_HIGH,
+	},
+};
+
+/*
+ * NAND Flash
+ */
+static struct mxc_nand_platform_data imx31_3ds_nand_flash_pdata = {
+	.width		= 1,
+	.hw_ecc		= 1,
+#ifdef MACH_MX31_3DS_MXC_NAND_USE_BBT
+	.flash_bbt	= 1,
+#endif
 };
 
 static struct imxuart_platform_data uart_pdata = {
@@ -95,7 +168,7 @@
  * LEDs, switches, interrupts for Ethernet.
  */
 
-static void mx31pdk_expio_irq_handler(uint32_t irq, struct irq_desc *desc)
+static void mx31_3ds_expio_irq_handler(uint32_t irq, struct irq_desc *desc)
 {
 	uint32_t imr_val;
 	uint32_t int_valid;
@@ -163,7 +236,7 @@
 	.unmask = expio_unmask_irq,
 };
 
-static int __init mx31pdk_init_expio(void)
+static int __init mx31_3ds_init_expio(void)
 {
 	int i;
 	int ret;
@@ -176,7 +249,7 @@
 		return -ENODEV;
 	}
 
-	pr_info("i.MX31PDK Debug board detected, rev = 0x%04X\n",
+	pr_info("i.MX31 3DS Debug board detected, rev = 0x%04X\n",
 		__raw_readw(CPLD_CODE_VER_REG));
 
 	/*
@@ -201,7 +274,7 @@
 		set_irq_flags(i, IRQF_VALID);
 	}
 	set_irq_type(EXPIO_PARENT_INT, IRQ_TYPE_LEVEL_LOW);
-	set_irq_chained_handler(EXPIO_PARENT_INT, mx31pdk_expio_irq_handler);
+	set_irq_chained_handler(EXPIO_PARENT_INT, mx31_3ds_expio_irq_handler);
 
 	return 0;
 }
@@ -209,7 +282,7 @@
 /*
  * This structure defines the MX31 memory map.
  */
-static struct map_desc mx31pdk_io_desc[] __initdata = {
+static struct map_desc mx31_3ds_io_desc[] __initdata = {
 	{
 		.virtual = MX31_CS5_BASE_ADDR_VIRT,
 		.pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR),
@@ -221,10 +294,10 @@
 /*
  * Set up static virtual mappings.
  */
-static void __init mx31pdk_map_io(void)
+static void __init mx31_3ds_map_io(void)
 {
 	mx31_map_io();
-	iotable_init(mx31pdk_io_desc, ARRAY_SIZE(mx31pdk_io_desc));
+	iotable_init(mx31_3ds_io_desc, ARRAY_SIZE(mx31_3ds_io_desc));
 }
 
 /*!
@@ -232,35 +305,40 @@
  */
 static void __init mxc_board_init(void)
 {
-	mxc_iomux_setup_multiple_pins(mx31pdk_pins, ARRAY_SIZE(mx31pdk_pins),
-				      "mx31pdk");
+	mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
+				      "mx31_3ds");
 
 	mxc_register_device(&mxc_uart_device0, &uart_pdata);
+	mxc_register_device(&mxc_nand_device, &imx31_3ds_nand_flash_pdata);
 
-	if (!mx31pdk_init_expio())
+	mxc_register_device(&mxc_spi_device1, &spi1_pdata);
+	spi_register_board_info(mx31_3ds_spi_devs,
+						ARRAY_SIZE(mx31_3ds_spi_devs));
+
+	if (!mx31_3ds_init_expio())
 		platform_device_register(&smsc911x_device);
 }
 
-static void __init mx31pdk_timer_init(void)
+static void __init mx31_3ds_timer_init(void)
 {
 	mx31_clocks_init(26000000);
 }
 
-static struct sys_timer mx31pdk_timer = {
-	.init	= mx31pdk_timer_init,
+static struct sys_timer mx31_3ds_timer = {
+	.init	= mx31_3ds_timer_init,
 };
 
 /*
  * The following uses standard kernel macros defined in arch.h in order to
- * initialize __mach_desc_MX31PDK data structure.
+ * initialize __mach_desc_MX31_3DS data structure.
  */
 MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
 	/* Maintainer: Freescale Semiconductor, Inc. */
 	.phys_io	= MX31_AIPS1_BASE_ADDR,
 	.io_pg_offst	= (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
 	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
-	.map_io         = mx31pdk_map_io,
+	.map_io         = mx31_3ds_map_io,
 	.init_irq       = mx31_init_irq,
 	.init_machine   = mxc_board_init,
-	.timer          = &mx31pdk_timer,
+	.timer          = &mx31_3ds_timer,
 MACHINE_END
diff --git a/arch/arm/mach-mx3/mach-pcm037.c b/arch/arm/mach-mx3/mach-pcm037.c
index 034ec81..2df1ec5 100644
--- a/arch/arm/mach-mx3/mach-pcm037.c
+++ b/arch/arm/mach-mx3/mach-pcm037.c
@@ -35,7 +35,6 @@
 #include <linux/can/platform/sja1000.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
-#include <linux/fsl_devices.h>
 #include <linux/gfp.h>
 
 #include <media/soc_camera.h>
diff --git a/arch/arm/mach-mx3/mx31lite-db.c b/arch/arm/mach-mx3/mx31lite-db.c
index ccd8742..093c595 100644
--- a/arch/arm/mach-mx3/mx31lite-db.c
+++ b/arch/arm/mach-mx3/mx31lite-db.c
@@ -28,7 +28,6 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/gpio.h>
-#include <linux/platform_device.h>
 #include <linux/leds.h>
 #include <linux/platform_device.h>
 
@@ -206,5 +205,6 @@
 	mxc_register_device(&mxcsdhc_device0, &mmc_pdata);
 	mxc_register_device(&mxc_spi_device0, &spi0_pdata);
 	platform_device_register(&litekit_led_device);
+	mxc_register_device(&imx_wdt_device0, NULL);
 }
 
diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c
index be90c03..8f85f73 100644
--- a/arch/arm/mach-mx5/clock-mx51.c
+++ b/arch/arm/mach-mx5/clock-mx51.c
@@ -757,7 +757,7 @@
 
 /* GPT */
 DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET,
-	NULL,  NULL, &ipg_perclk, NULL);
+	NULL,  NULL, &ipg_clk, NULL);
 DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET,
 	NULL,  NULL, &ipg_clk, NULL);
 
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
index 41c769f..2d37785 100644
--- a/arch/arm/mach-mx5/cpu.c
+++ b/arch/arm/mach-mx5/cpu.c
@@ -14,9 +14,62 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <mach/hardware.h>
 #include <asm/io.h>
 
+static int cpu_silicon_rev = -1;
+
+#define SI_REV 0x48
+
+static void query_silicon_parameter(void)
+{
+	void __iomem *rom = ioremap(MX51_IROM_BASE_ADDR, MX51_IROM_SIZE);
+	u32 rev;
+
+	if (!rom) {
+		cpu_silicon_rev = -EINVAL;
+		return;
+	}
+
+	rev = readl(rom + SI_REV);
+	switch (rev) {
+	case 0x1:
+		cpu_silicon_rev = MX51_CHIP_REV_1_0;
+		break;
+	case 0x2:
+		cpu_silicon_rev = MX51_CHIP_REV_1_1;
+		break;
+	case 0x10:
+		cpu_silicon_rev = MX51_CHIP_REV_2_0;
+		break;
+	case 0x20:
+		cpu_silicon_rev = MX51_CHIP_REV_3_0;
+		break;
+	default:
+		cpu_silicon_rev = 0;
+	}
+
+	iounmap(rom);
+}
+
+/*
+ * Returns:
+ *	the silicon revision of the cpu
+ *	-EINVAL - not a mx51
+ */
+int mx51_revision(void)
+{
+	if (!cpu_is_mx51())
+		return -EINVAL;
+
+	if (cpu_silicon_rev == -1)
+		query_silicon_parameter();
+
+	return cpu_silicon_rev;
+}
+EXPORT_SYMBOL(mx51_revision);
+
 static int __init post_cpu_init(void)
 {
 	unsigned int reg;
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
index c21e18b..b7677ef 100644
--- a/arch/arm/mach-mx5/mm.c
+++ b/arch/arm/mach-mx5/mm.c
@@ -35,11 +35,6 @@
 		.length = MX51_DEBUG_SIZE,
 		.type = MT_DEVICE
 	}, {
-		.virtual = MX51_TZIC_BASE_ADDR_VIRT,
-		.pfn = __phys_to_pfn(MX51_TZIC_BASE_ADDR),
-		.length = MX51_TZIC_SIZE,
-		.type = MT_DEVICE
-	}, {
 		.virtual = MX51_AIPS1_BASE_ADDR_VIRT,
 		.pfn = __phys_to_pfn(MX51_AIPS1_BASE_ADDR),
 		.length = MX51_AIPS1_SIZE,
@@ -54,11 +49,6 @@
 		.pfn = __phys_to_pfn(MX51_AIPS2_BASE_ADDR),
 		.length = MX51_AIPS2_SIZE,
 		.type = MT_DEVICE
-	}, {
-		.virtual = MX51_NFC_AXI_BASE_ADDR_VIRT,
-		.pfn = __phys_to_pfn(MX51_NFC_AXI_BASE_ADDR),
-		.length = MX51_NFC_AXI_SIZE,
-		.type = MT_DEVICE
 	},
 };
 
@@ -69,14 +59,6 @@
  */
 void __init mx51_map_io(void)
 {
-	u32 tzic_addr;
-
-	if (mx51_revision() < MX51_CHIP_REV_2_0)
-		tzic_addr = 0x8FFFC000;
-	else
-		tzic_addr = 0xE0003000;
-	mxc_io_desc[2].pfn =  __phys_to_pfn(tzic_addr);
-
 	mxc_set_cpu_type(MXC_CPU_MX51);
 	mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
 	mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG_BASE_ADDR));
@@ -85,5 +67,17 @@
 
 void __init mx51_init_irq(void)
 {
-	tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR));
+	unsigned long tzic_addr;
+	void __iomem *tzic_virt;
+
+	if (mx51_revision() < MX51_CHIP_REV_2_0)
+		tzic_addr = MX51_TZIC_BASE_ADDR_TO1;
+	else
+		tzic_addr = MX51_TZIC_BASE_ADDR;
+
+	tzic_virt = ioremap(tzic_addr, SZ_16K);
+	if (!tzic_virt)
+		panic("unable to map TZIC interrupt controller\n");
+
+	tzic_init_irq(tzic_virt);
 }
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 9d4da6a..4223d08 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -420,6 +420,10 @@
 		user_pgprot |= L_PTE_SHARED;
 		kern_pgprot |= L_PTE_SHARED;
 		vecs_pgprot |= L_PTE_SHARED;
+		mem_types[MT_DEVICE_WC].prot_sect |= PMD_SECT_S;
+		mem_types[MT_DEVICE_WC].prot_pte |= L_PTE_SHARED;
+		mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_S;
+		mem_types[MT_DEVICE_CACHED].prot_pte |= L_PTE_SHARED;
 		mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S;
 		mem_types[MT_MEMORY_NONCACHED].prot_sect |= PMD_SECT_S;
 #endif
diff --git a/arch/arm/plat-mxc/include/mach/board-mx31pdk.h b/arch/arm/plat-mxc/include/mach/board-mx31_3ds.h
similarity index 93%
rename from arch/arm/plat-mxc/include/mach/board-mx31pdk.h
rename to arch/arm/plat-mxc/include/mach/board-mx31_3ds.h
index 2bbd6ed..da92933a 100644
--- a/arch/arm/plat-mxc/include/mach/board-mx31pdk.h
+++ b/arch/arm/plat-mxc/include/mach/board-mx31_3ds.h
@@ -8,8 +8,8 @@
  * published by the Free Software Foundation.
  */
 
-#ifndef __ASM_ARCH_MXC_BOARD_MX31PDK_H__
-#define __ASM_ARCH_MXC_BOARD_MX31PDK_H__
+#ifndef __ASM_ARCH_MXC_BOARD_MX31_3DS_H__
+#define __ASM_ARCH_MXC_BOARD_MX31_3DS_H__
 
 /* Definitions for components on the Debug board */
 
@@ -56,4 +56,4 @@
 
 #define MXC_MAX_EXP_IO_LINES	16
 
-#endif /* __ASM_ARCH_MXC_BOARD_MX31PDK_H__ */
+#endif /* __ASM_ARCH_MXC_BOARD_MX31_3DS_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx51.h b/arch/arm/plat-mxc/include/mach/mx51.h
index 771532b..5aad344 100644
--- a/arch/arm/plat-mxc/include/mach/mx51.h
+++ b/arch/arm/plat-mxc/include/mach/mx51.h
@@ -14,7 +14,7 @@
  * FB100000	70000000	1M	SPBA 0
  * FB000000	73F00000	1M	AIPS 1
  * FB200000	83F00000	1M	AIPS 2
- * FA100000	8FFFC000	16K	TZIC (interrupt controller)
+ *		8FFFC000	16K	TZIC (interrupt controller)
  *         	90000000	256M	CSD0 SDRAM/DDR
  *         	A0000000	256M	CSD1 SDRAM/DDR
  *         	B0000000	128M	CS0 Flash
@@ -23,11 +23,17 @@
  *         	C8000000	64M	CS3 Flash
  *         	CC000000	32M	CS4 SRAM
  *         	CE000000	32M	CS5 SRAM
- * F9000000	CFFF0000	64K	NFC (NAND Flash AXI)
+ *		CFFF0000	64K	NFC (NAND Flash AXI)
  *
  */
 
 /*
+ * IROM
+ */
+#define MX51_IROM_BASE_ADDR		0x0
+#define MX51_IROM_SIZE			SZ_64K
+
+/*
  * IRAM
  */
 #define MX51_IRAM_BASE_ADDR		0x1FFE0000	/* internal ram */
@@ -40,7 +46,6 @@
  * NFC
  */
 #define MX51_NFC_AXI_BASE_ADDR		0xCFFF0000	/* NAND flash AXI */
-#define MX51_NFC_AXI_BASE_ADDR_VIRT	0xF9000000
 #define MX51_NFC_AXI_SIZE		SZ_64K
 
 /*
@@ -49,9 +54,8 @@
 #define MX51_GPU_BASE_ADDR		0x20000000
 #define MX51_GPU2D_BASE_ADDR		0xD0000000
 
-#define MX51_TZIC_BASE_ADDR		0x8FFFC000
-#define MX51_TZIC_BASE_ADDR_VIRT	0xFA100000
-#define MX51_TZIC_SIZE			SZ_16K
+#define MX51_TZIC_BASE_ADDR_TO1		0x8FFFC000
+#define MX51_TZIC_BASE_ADDR		0xE0000000
 
 #define MX51_DEBUG_BASE_ADDR		0x60000000
 #define MX51_DEBUG_BASE_ADDR_VIRT	0xFA200000
@@ -232,12 +236,10 @@
 #define MX51_IO_ADDRESS(x)					\
 	(void __iomem *)					\
 	(MX51_IS_MODULE(x, IRAM) ? MX51_IRAM_IO_ADDRESS(x) :	\
-	MX51_IS_MODULE(x, TZIC) ? MX51_TZIC_IO_ADDRESS(x) :	\
 	MX51_IS_MODULE(x, DEBUG) ? MX51_DEBUG_IO_ADDRESS(x) :	\
 	MX51_IS_MODULE(x, SPBA0) ? MX51_SPBA0_IO_ADDRESS(x) :	\
 	MX51_IS_MODULE(x, AIPS1) ? MX51_AIPS1_IO_ADDRESS(x) :	\
-	MX51_IS_MODULE(x, AIPS2) ? MX51_AIPS2_IO_ADDRESS(x) :	\
-	MX51_IS_MODULE(x, NFC_AXI) ? MX51_NFC_AXI_IO_ADDRESS(x) : \
+	MX51_IS_MODULE(x, AIPS2) ? MX51_AIPS2_IO_ADDRESS(x) : \
 	0xDEADBEEF)
 
 /*
@@ -246,9 +248,6 @@
 #define MX51_IRAM_IO_ADDRESS(x)  \
 	(((x) - MX51_IRAM_BASE_ADDR) + MX51_IRAM_BASE_ADDR_VIRT)
 
-#define MX51_TZIC_IO_ADDRESS(x)  \
-	(((x) - MX51_TZIC_BASE_ADDR) + MX51_TZIC_BASE_ADDR_VIRT)
-
 #define MX51_DEBUG_IO_ADDRESS(x)  \
 	(((x) - MX51_DEBUG_BASE_ADDR) + MX51_DEBUG_BASE_ADDR_VIRT)
 
@@ -261,9 +260,6 @@
 #define MX51_AIPS2_IO_ADDRESS(x)  \
 	(((x) - MX51_AIPS2_BASE_ADDR) + MX51_AIPS2_BASE_ADDR_VIRT)
 
-#define MX51_NFC_AXI_IO_ADDRESS(x) \
-	(((x) - MX51_NFC_AXI_BASE_ADDR) + MX51_NFC_AXI_BASE_ADDR_VIRT)
-
 #define MX51_IS_MEM_DEVICE_NONSHARED(x)		0
 
 /*
@@ -443,12 +439,7 @@
 
 #if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS)
 
-extern unsigned int system_rev;
-
-static inline unsigned int mx51_revision(void)
-{
-	return system_rev;
-}
+extern int mx51_revision(void);
 #endif
 
 #endif	/*  __ASM_ARCH_MXC_MX51_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
index 52e476a..b6d3d0f 100644
--- a/arch/arm/plat-mxc/include/mach/uncompress.h
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -66,6 +66,7 @@
 #define MX2X_UART1_BASE_ADDR	0x1000a000
 #define MX3X_UART1_BASE_ADDR	0x43F90000
 #define MX3X_UART2_BASE_ADDR	0x43F94000
+#define MX51_UART1_BASE_ADDR	0x73fbc000
 
 static __inline__ void __arch_decomp_setup(unsigned long arch_id)
 {
@@ -101,6 +102,9 @@
 	case MACH_TYPE_MAGX_ZN5:
 		uart_base = MX3X_UART2_BASE_ADDR;
 		break;
+	case MACH_TYPE_MX51_BABBAGE:
+		uart_base = MX51_UART1_BASE_ADDR;
+		break;
 	default:
 		break;
 	}