Merge branch 'ixp4xx' into devel

Conflicts:

	include/asm-arm/arch-ixp4xx/io.h

11 files changed, 474 insertions, 7 deletions

diff --git a/arch/arm/configs/ixp4xx_defconfig b/arch/arm/configs/ixp4xx_defconfig
index fabf74c51a8..db850a5689e 100644
--- a/arch/arm/configs/ixp4xx_defconfig
+++ b/arch/arm/configs/ixp4xx_defconfig
@@ -117,11 +117,13 @@ CONFIG_ARCH_ADI_COYOTE=y
 CONFIG_ARCH_IXDP425=y
 CONFIG_MACH_IXDPG425=y
 CONFIG_MACH_IXDP465=y
+CONFIG_MACH_KIXRP435=y
 CONFIG_ARCH_IXCDP1100=y
 CONFIG_ARCH_PRPMC1100=y
 CONFIG_MACH_NAS100D=y
 CONFIG_ARCH_IXDP4XX=y
 CONFIG_CPU_IXP46X=y
+CONFIG_CPU_IXP43X=y
 # CONFIG_MACH_GTWX5715 is not set
 
 #
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index 8a339cdfe22..9715ef506c2 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -62,6 +62,12 @@ config MACH_IXDP465
 	  IXDP465 Development Platform (Also known as BMP).
 	  For more information on this platform, see <file:Documentation/arm/IXP4xx>.
 
+config MACH_KIXRP435
+	bool "KIXRP435"
+	help
+	  Say 'Y' here if you want your kernel to support Intel's
+	  KIXRP435 Reference Platform.
+	  For more information on this platform, see <file:Documentation/arm/IXP4xx>.
 
 #
 # IXCDP1100 is the exact same HW as IXDP425, but with a different machine 
@@ -89,12 +95,21 @@ config MACH_NAS100D
 	  NAS 100d device. For more information on this platform,
 	  see http://www.nslu2-linux.org/wiki/NAS100d/HomePage
 
+config MACH_DSMG600
+	bool
+	prompt "D-Link DSM-G600 RevA"
+	select PCI
+	help
+	  Say 'Y' here if you want your kernel to support D-Link's
+	  DSM-G600 RevA device. For more information on this platform,
+	  see http://www.nslu2-linux.org/wiki/DSMG600/HomePage
+
 #
 # Avila and IXDP share the same source for now. Will change in future
 #
 config	ARCH_IXDP4XX
 	bool
-	depends on ARCH_IXDP425 || MACH_IXDP465
+	depends on ARCH_IXDP425 || MACH_IXDP465 || MACH_KIXRP435
 	default y
 
 #
@@ -105,6 +120,11 @@ config CPU_IXP46X
 	depends on MACH_IXDP465
 	default y
 
+config CPU_IXP43X
+	bool
+	depends on MACH_KIXRP435
+	default y
+
 config MACH_GTWX5715
 	bool "Gemtek WX5715 (Linksys WRV54G)"
 	depends on ARCH_IXP4XX
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
index 746e297284e..3b87c47e06c 100644
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -12,6 +12,7 @@ obj-pci-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-pci.o
 obj-pci-$(CONFIG_MACH_GTWX5715)		+= gtwx5715-pci.o
 obj-pci-$(CONFIG_MACH_NSLU2)		+= nslu2-pci.o
 obj-pci-$(CONFIG_MACH_NAS100D)		+= nas100d-pci.o
+obj-pci-$(CONFIG_MACH_DSMG600)		+= dsmg600-pci.o
 
 obj-y	+= common.o
 
@@ -22,5 +23,6 @@ obj-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-setup.o
 obj-$(CONFIG_MACH_GTWX5715)	+= gtwx5715-setup.o
 obj-$(CONFIG_MACH_NSLU2)	+= nslu2-setup.o nslu2-power.o
 obj-$(CONFIG_MACH_NAS100D)	+= nas100d-setup.o nas100d-power.o
+obj-$(CONFIG_MACH_DSMG600)      += dsmg600-setup.o dsmg600-power.o
 
 obj-$(CONFIG_PCI)		+= $(obj-pci-$(CONFIG_PCI)) common-pci.o
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index 9562177b5fe..bf04121d1a3 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -374,7 +374,7 @@ void __init ixp4xx_pci_preinit(void)
 	 * Determine which PCI read method to use.
 	 * Rev 0 IXP425 requires workaround.
 	 */
-	if (!(processor_id & 0xf) && !cpu_is_ixp46x()) {
+	if (!(processor_id & 0xf) && cpu_is_ixp42x()) {
 		printk("PCI: IXP42x A0 silicon detected - "
 			"PCI Non-Prefetch Workaround Enabled\n");
 		ixp4xx_pci_read = ixp4xx_pci_read_errata;
@@ -480,7 +480,7 @@ int ixp4xx_setup(int nr, struct pci_sys_data *sys)
 	res[0].flags = IORESOURCE_IO;
 
 	res[1].name = "PCI Memory Space";
-	res[1].start = 0x48000000;
+	res[1].start = PCIBIOS_MIN_MEM;
 #ifndef CONFIG_IXP4XX_INDIRECT_PCI
 	res[1].end = 0x4bffffff;
 #else
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 09edea9779e..f5cae1e46b7 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -105,6 +105,29 @@ static signed char irq2gpio[32] = {
 	 7,  8,  9, 10, 11, 12, -1, -1,
 };
 
+int gpio_to_irq(int gpio)
+{
+	int irq;
+
+	for (irq = 0; irq < 32; irq++) {
+		if (irq2gpio[irq] == gpio)
+			return irq;
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL(gpio_to_irq);
+
+int irq_to_gpio(int irq)
+{
+	int gpio = (irq < 32) ? irq2gpio[irq] : -EINVAL;
+
+	if (gpio == -1)
+		return -EINVAL;
+
+	return gpio;
+}
+EXPORT_SYMBOL(irq_to_gpio);
+
 static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type)
 {
 	int line = irq2gpio[irq];
@@ -172,7 +195,7 @@ static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type)
 
 static void ixp4xx_irq_mask(unsigned int irq)
 {
-	if (cpu_is_ixp46x() && irq >= 32)
+	if ((cpu_is_ixp46x() || cpu_is_ixp43x()) && irq >= 32)
 		*IXP4XX_ICMR2 &= ~(1 << (irq - 32));
 	else
 		*IXP4XX_ICMR &= ~(1 << irq);
@@ -195,7 +218,7 @@ static void ixp4xx_irq_unmask(unsigned int irq)
 	if (!(ixp4xx_irq_edge & (1 << irq)))
 		ixp4xx_irq_ack(irq);
 
-	if (cpu_is_ixp46x() && irq >= 32)
+	if ((cpu_is_ixp46x() || cpu_is_ixp43x()) && irq >= 32)
 		*IXP4XX_ICMR2 |= (1 << (irq - 32));
 	else
 		*IXP4XX_ICMR |= (1 << irq);
@@ -219,7 +242,7 @@ void __init ixp4xx_init_irq(void)
 	/* Disable all interrupt */
 	*IXP4XX_ICMR = 0x0; 
 
-	if (cpu_is_ixp46x()) {
+	if (cpu_is_ixp46x() || cpu_is_ixp43x()) {
 		/* Route upper 32 sources to IRQ instead of FIQ */
 		*IXP4XX_ICLR2 = 0x00;
 
diff --git a/arch/arm/mach-ixp4xx/dsmg600-pci.c b/arch/arm/mach-ixp4xx/dsmg600-pci.c
new file mode 100644
index 00000000000..9db7e1f4201
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/dsmg600-pci.c
@@ -0,0 +1,74 @@
+/*
+ * DSM-G600 board-level PCI initialization
+ *
+ * Copyright (C) 2006 Tower Technologies
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * based on ixdp425-pci.c:
+ *	Copyright (C) 2002 Intel Corporation.
+ *	Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Maintainer: http://www.nslu2-linux.org/
+ *
+ * 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.
+ *
+ */
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach/pci.h>
+#include <asm/mach-types.h>
+
+void __init dsmg600_pci_preinit(void)
+{
+	set_irq_type(IRQ_DSMG600_PCI_INTA, IRQT_LOW);
+	set_irq_type(IRQ_DSMG600_PCI_INTB, IRQT_LOW);
+	set_irq_type(IRQ_DSMG600_PCI_INTC, IRQT_LOW);
+	set_irq_type(IRQ_DSMG600_PCI_INTD, IRQT_LOW);
+	set_irq_type(IRQ_DSMG600_PCI_INTE, IRQT_LOW);
+	set_irq_type(IRQ_DSMG600_PCI_INTF, IRQT_LOW);
+
+	ixp4xx_pci_preinit();
+}
+
+static int __init dsmg600_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	static int pci_irq_table[DSMG600_PCI_MAX_DEV][DSMG600_PCI_IRQ_LINES] =
+	{
+		{ IRQ_DSMG600_PCI_INTE, -1, -1 },
+		{ IRQ_DSMG600_PCI_INTA, -1, -1 },
+		{ IRQ_DSMG600_PCI_INTB, IRQ_DSMG600_PCI_INTC, IRQ_DSMG600_PCI_INTD },
+		{ IRQ_DSMG600_PCI_INTF, -1, -1 },
+	};
+
+	int irq = -1;
+
+	if (slot >= 1 && slot <= DSMG600_PCI_MAX_DEV &&
+		pin >= 1 && pin <= DSMG600_PCI_IRQ_LINES)
+		irq = pci_irq_table[slot-1][pin-1];
+
+	return irq;
+}
+
+struct hw_pci __initdata dsmg600_pci = {
+	.nr_controllers = 1,
+	.preinit	= dsmg600_pci_preinit,
+	.swizzle	= pci_std_swizzle,
+	.setup		= ixp4xx_setup,
+	.scan		= ixp4xx_scan_bus,
+	.map_irq	= dsmg600_map_irq,
+};
+
+int __init dsmg600_pci_init(void)
+{
+	if (machine_is_dsmg600())
+		pci_common_init(&dsmg600_pci);
+
+	return 0;
+}
+
+subsys_initcall(dsmg600_pci_init);
diff --git a/arch/arm/mach-ixp4xx/dsmg600-power.c b/arch/arm/mach-ixp4xx/dsmg600-power.c
new file mode 100644
index 00000000000..34717872d07
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/dsmg600-power.c
@@ -0,0 +1,125 @@
+/*
+ * arch/arm/mach-ixp4xx/dsmg600-power.c
+ *
+ * DSM-G600 Power/Reset driver
+ * Author: Michael Westerhof <mwester@dls.net>
+ *
+ * Based on nslu2-power.c
+ *  Copyright (C) 2005 Tower Technologies
+ *  Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * which was based on nslu2-io.c
+ *  Copyright (C) 2004 Karen Spearel
+ *
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ * 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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/reboot.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/jiffies.h>
+#include <linux/timer.h>
+
+#include <asm/mach-types.h>
+
+extern void ctrl_alt_del(void);
+
+/* This is used to make sure the power-button pusher is serious.  The button
+ * must be held until the value of this counter reaches zero.
+ */
+static volatile int power_button_countdown;
+
+/* Must hold the button down for at least this many counts to be processed */
+#define PBUTTON_HOLDDOWN_COUNT 4 /* 2 secs */
+
+static void dsmg600_power_handler(unsigned long data);
+static DEFINE_TIMER(dsmg600_power_timer, dsmg600_power_handler, 0, 0);
+
+static void dsmg600_power_handler(unsigned long data)
+{
+	/* This routine is called twice per second to check the
+	 * state of the power button.
+	 */
+
+	if (*IXP4XX_GPIO_GPINR & DSMG600_PB_BM) {
+
+		/* IO Pin is 1 (button pushed) */
+		if (power_button_countdown == 0) {
+			/* Signal init to do the ctrlaltdel action, this will bypass
+			 * init if it hasn't started and do a kernel_restart.
+			 */
+			ctrl_alt_del();
+
+			/* Change the state of the power LED to "blink" */
+			gpio_line_set(DSMG600_LED_PWR_GPIO, IXP4XX_GPIO_LOW);
+		}
+		power_button_countdown--;
+
+	} else {
+		power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
+	}
+
+	mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
+}
+
+static irqreturn_t dsmg600_reset_handler(int irq, void *dev_id)
+{
+	/* This is the paper-clip reset, it shuts the machine down directly. */
+	machine_power_off();
+
+	return IRQ_HANDLED;
+}
+
+static int __init dsmg600_power_init(void)
+{
+	if (!(machine_is_dsmg600()))
+		return 0;
+
+	if (request_irq(DSMG600_RB_IRQ, &dsmg600_reset_handler,
+		IRQF_DISABLED | IRQF_TRIGGER_LOW, "DSM-G600 reset button",
+		NULL) < 0) {
+
+		printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
+			DSMG600_RB_IRQ);
+
+		return -EIO;
+	}
+
+	/* The power button on the D-Link DSM-G600 is on GPIO 15, but
+	 * it cannot handle interrupts on that GPIO line.  So we'll
+	 * have to poll it with a kernel timer.
+	 */
+
+	/* Make sure that the power button GPIO is set up as an input */
+	gpio_line_config(DSMG600_PB_GPIO, IXP4XX_GPIO_IN);
+
+	/* Set the initial value for the power button IRQ handler */
+	power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
+
+	mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
+
+	return 0;
+}
+
+static void __exit dsmg600_power_exit(void)
+{
+	if (!(machine_is_dsmg600()))
+		return;
+
+	del_timer_sync(&dsmg600_power_timer);
+
+	free_irq(DSMG600_RB_IRQ, NULL);
+}
+
+module_init(dsmg600_power_init);
+module_exit(dsmg600_power_exit);
+
+MODULE_AUTHOR("Michael Westerhof <mwester@dls.net>");
+MODULE_DESCRIPTION("DSM-G600 Power/Reset driver");
+MODULE_LICENSE("GPL");
diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c
new file mode 100644
index 00000000000..1caff65e22c
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/dsmg600-setup.c
@@ -0,0 +1,175 @@
+/*
+ * DSM-G600 board-setup
+ *
+ * Copyright (C) 2006 Tower Technologies
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * based ixdp425-setup.c:
+ *      Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ * Maintainers: http://www.nslu2-linux.org/
+ */
+
+#include <linux/kernel.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct flash_platform_data dsmg600_flash_data = {
+	.map_name		= "cfi_probe",
+	.width			= 2,
+};
+
+static struct resource dsmg600_flash_resource = {
+	.flags			= IORESOURCE_MEM,
+};
+
+static struct platform_device dsmg600_flash = {
+	.name			= "IXP4XX-Flash",
+	.id			= 0,
+	.dev.platform_data	= &dsmg600_flash_data,
+	.num_resources		= 1,
+	.resource		= &dsmg600_flash_resource,
+};
+
+static struct ixp4xx_i2c_pins dsmg600_i2c_gpio_pins = {
+	.sda_pin		= DSMG600_SDA_PIN,
+	.scl_pin		= DSMG600_SCL_PIN,
+};
+
+static struct platform_device dsmg600_i2c_controller = {
+	.name			= "IXP4XX-I2C",
+	.id			= 0,
+	.dev.platform_data	= &dsmg600_i2c_gpio_pins,
+};
+
+#ifdef CONFIG_LEDS_CLASS
+static struct resource dsmg600_led_resources[] = {
+	{
+		.name           = "power",
+		.start          = DSMG600_LED_PWR_GPIO,
+		.end            = DSMG600_LED_PWR_GPIO,
+		.flags          = IXP4XX_GPIO_HIGH,
+	},
+	{
+		.name           = "wlan",
+		.start		= DSMG600_LED_WLAN_GPIO,
+		.end            = DSMG600_LED_WLAN_GPIO,
+		.flags          = IXP4XX_GPIO_LOW,
+	},
+};
+
+static struct platform_device dsmg600_leds = {
+        .name                   = "IXP4XX-GPIO-LED",
+        .id                     = -1,
+        .num_resources          = ARRAY_SIZE(dsmg600_led_resources),
+        .resource               = dsmg600_led_resources,
+};
+#endif
+
+static struct resource dsmg600_uart_resources[] = {
+	{
+		.start		= IXP4XX_UART1_BASE_PHYS,
+		.end		= IXP4XX_UART1_BASE_PHYS + 0x0fff,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= IXP4XX_UART2_BASE_PHYS,
+		.end		= IXP4XX_UART2_BASE_PHYS + 0x0fff,
+		.flags		= IORESOURCE_MEM,
+	}
+};
+
+static struct plat_serial8250_port dsmg600_uart_data[] = {
+	{
+		.mapbase	= IXP4XX_UART1_BASE_PHYS,
+		.membase	= (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+		.irq		= IRQ_IXP4XX_UART1,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= IXP4XX_UART_XTAL,
+	},
+	{
+		.mapbase	= IXP4XX_UART2_BASE_PHYS,
+		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+		.irq		= IRQ_IXP4XX_UART2,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= IXP4XX_UART_XTAL,
+	},
+	{ }
+};
+
+static struct platform_device dsmg600_uart = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_PLATFORM,
+	.dev.platform_data	= dsmg600_uart_data,
+	.num_resources		= ARRAY_SIZE(dsmg600_uart_resources),
+	.resource		= dsmg600_uart_resources,
+};
+
+static struct platform_device *dsmg600_devices[] __initdata = {
+	&dsmg600_i2c_controller,
+	&dsmg600_flash,
+};
+
+static void dsmg600_power_off(void)
+{
+	/* enable the pwr cntl gpio */
+	gpio_line_config(DSMG600_PO_GPIO, IXP4XX_GPIO_OUT);
+
+	/* poweroff */
+	gpio_line_set(DSMG600_PO_GPIO, IXP4XX_GPIO_HIGH);
+}
+
+static void __init dsmg600_init(void)
+{
+	ixp4xx_sys_init();
+
+	/* Make sure that GPIO14 and GPIO15 are not used as clocks */
+	*IXP4XX_GPIO_GPCLKR = 0;
+
+	dsmg600_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+	dsmg600_flash_resource.end =
+		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
+
+	pm_power_off = dsmg600_power_off;
+
+	/* The UART is required on the DSM-G600 (Redboot cannot use the
+	 * NIC) -- do it here so that it does *not* get removed if
+	 * platform_add_devices fails!
+         */
+        (void)platform_device_register(&dsmg600_uart);
+
+	platform_add_devices(dsmg600_devices, ARRAY_SIZE(dsmg600_devices));
+
+#ifdef CONFIG_LEDS_CLASS
+        /* We don't care whether or not this works. */
+        (void)platform_device_register(&dsmg600_leds);
+#endif
+}
+
+static void __init dsmg600_fixup(struct machine_desc *desc,
+                struct tag *tags, char **cmdline, struct meminfo *mi)
+{
+       /* The xtal on this machine is non-standard. */
+        ixp4xx_timer_freq = DSMG600_FREQ;
+}
+
+MACHINE_START(DSMG600, "D-Link DSM-G600 RevA")
+	/* Maintainer: www.nslu2-linux.org */
+	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
+	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
+	.boot_params	= 0x00000100,
+	.fixup          = dsmg600_fixup,
+	.map_io		= ixp4xx_map_io,
+	.init_irq	= ixp4xx_init_irq,
+	.timer          = &ixp4xx_timer,
+	.init_machine	= dsmg600_init,
+MACHINE_END
diff --git a/arch/arm/mach-ixp4xx/ixdp425-pci.c b/arch/arm/mach-ixp4xx/ixdp425-pci.c
index 99c1dc8033c..40879600481 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-pci.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-pci.c
@@ -66,7 +66,7 @@ struct hw_pci ixdp425_pci __initdata = {
 int __init ixdp425_pci_init(void)
 {
 	if (machine_is_ixdp425() || machine_is_ixcdp1100() ||
-			machine_is_ixdp465())
+			machine_is_ixdp465() || machine_is_kixrp435())
 		pci_common_init(&ixdp425_pci);
 	return 0;
 }
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index 04b1d56396a..ec4f07950ec 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -115,6 +115,11 @@ static void __init ixdp425_init(void)
 	ixdp425_flash_resource.end =
 		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
 
+	if (cpu_is_ixp43x()) {
+		ixdp425_uart.num_resources = 1;
+		ixdp425_uart_data[1].flags = 0;
+	}
+
 	platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
 }
 
@@ -156,3 +161,16 @@ MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
 	.init_machine	= ixdp425_init,
 MACHINE_END
 #endif
+
+#ifdef CONFIG_MACH_KIXRP435
+MACHINE_START(KIXRP435, "Intel KIXRP435 Reference Platform")
+	/* Maintainer: MontaVista Software, Inc. */
+	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
+	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
+	.map_io		= ixp4xx_map_io,
+	.init_irq	= ixp4xx_init_irq,
+	.timer		= &ixp4xx_timer,
+	.boot_params	= 0x0100,
+	.init_machine	= ixdp425_init,
+MACHINE_END
+#endif
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index d29fe927ee9..c156ddab9a2 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -584,6 +584,11 @@ cpu_ixp42x_name:
 	.asciz	"XScale-IXP42x Family"
 	.size	cpu_ixp42x_name, . - cpu_ixp42x_name
 
+	.type	cpu_ixp43x_name, #object
+cpu_ixp43x_name:
+	.asciz	"XScale-IXP43x Family"
+	.size	cpu_ixp43x_name, . - cpu_ixp43x_name
+
 	.type	cpu_ixp46x_name, #object
 cpu_ixp46x_name:
 	.asciz	"XScale-IXP46x Family"
@@ -843,6 +848,29 @@ __ixp42x_proc_info:
 	.long	xscale_cache_fns
 	.size   __ixp42x_proc_info, . - __ixp42x_proc_info                
 
+	.type   __ixp43x_proc_info, #object
+__ixp43x_proc_info:
+	.long   0x69054040
+	.long   0xfffffff0
+	.long   PMD_TYPE_SECT | \
+		PMD_SECT_BUFFERABLE | \
+		PMD_SECT_CACHEABLE | \
+		PMD_SECT_AP_WRITE | \
+		PMD_SECT_AP_READ
+	.long   PMD_TYPE_SECT | \
+		PMD_SECT_AP_WRITE | \
+		PMD_SECT_AP_READ
+	b       __xscale_setup
+	.long   cpu_arch_name
+	.long   cpu_elf_name
+	.long   HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
+	.long   cpu_ixp43x_name
+	.long   xscale_processor_functions
+	.long   v4wbi_tlb_fns
+	.long   xscale_mc_user_fns
+	.long   xscale_cache_fns
+	.size   __ixp43x_proc_info, . - __ixp43x_proc_info
+
 	.type	__ixp46x_proc_info, #object
 __ixp46x_proc_info:
 	.long   0x69054200