Merge branch 'ixp4xx' into devel

Conflicts:

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

19 files changed, 656 insertions, 35 deletions

diff --git a/arch/arm/configs/ixp4xx_defconfig b/arch/arm/configs/ixp4xx_defconfig
index fabf74c51a88..db850a5689eb 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 8a339cdfe222..9715ef506c24 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 746e297284ed..3b87c47e06cf 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 9562177b5fe1..bf04121d1a31 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 09edea9779e6..f5cae1e46b7e 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 000000000000..9db7e1f42011
--- /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 000000000000..34717872d076
--- /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 000000000000..1caff65e22cc
--- /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 99c1dc8033c8..408796004812 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 04b1d56396a0..ec4f07950ec6 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 d29fe927ee9e..c156ddab9a2d 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
diff --git a/include/asm-arm/arch-ixp4xx/cpu.h b/include/asm-arm/arch-ixp4xx/cpu.h
new file mode 100644
index 000000000000..d2523b326c6c
--- /dev/null
+++ b/include/asm-arm/arch-ixp4xx/cpu.h
@@ -0,0 +1,31 @@
+/*
+ * include/asm-arm/arch-ixp4xx/cpu.h
+ *
+ * IXP4XX cpu type detection
+ *
+ * Copyright (C) 2007 MontaVista Software, Inc.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __ASM_ARCH_CPU_H__
+#define __ASM_ARCH_CPU_H__
+
+extern unsigned int processor_id;
+/* Processor id value in CP15 Register 0 */
+#define IXP425_PROCESSOR_ID_VALUE       0x690541c0
+#define IXP435_PROCESSOR_ID_VALUE       0x69054040
+#define IXP465_PROCESSOR_ID_VALUE       0x69054200
+#define IXP4XX_PROCESSOR_ID_MASK        0xfffffff0
+
+#define cpu_is_ixp42x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
+                          IXP425_PROCESSOR_ID_VALUE)
+#define cpu_is_ixp43x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
+                          IXP435_PROCESSOR_ID_VALUE)
+#define cpu_is_ixp46x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
+                          IXP465_PROCESSOR_ID_VALUE)
+
+#endif  /* _ASM_ARCH_CPU_H */
diff --git a/include/asm-arm/arch-ixp4xx/dsmg600.h b/include/asm-arm/arch-ixp4xx/dsmg600.h
new file mode 100644
index 000000000000..a19605ad240d
--- /dev/null
+++ b/include/asm-arm/arch-ixp4xx/dsmg600.h
@@ -0,0 +1,57 @@
+/*
+ * DSM-G600 platform specific definitions
+ *
+ * Copyright (C) 2006 Tower Technologies
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * based on ixdp425.h:
+ *      Copyright 2004 (C) MontaVista, Software, Inc.
+ *
+ * This file is licensed under  the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H__
+#error "Do not include this directly, instead #include <asm/hardware.h>"
+#endif
+
+#define DSMG600_SDA_PIN         5
+#define DSMG600_SCL_PIN         4
+
+/*
+ * DSMG600 PCI IRQs
+ */
+#define DSMG600_PCI_MAX_DEV     4
+#define DSMG600_PCI_IRQ_LINES   3
+
+
+/* PCI controller GPIO to IRQ pin mappings */
+#define DSMG600_PCI_INTA_PIN    11
+#define DSMG600_PCI_INTB_PIN    10
+#define DSMG600_PCI_INTC_PIN    9
+#define DSMG600_PCI_INTD_PIN    8
+#define DSMG600_PCI_INTE_PIN    7
+#define DSMG600_PCI_INTF_PIN    6
+
+/* DSM-G600 Timer Setting */
+#define DSMG600_FREQ 66000000
+
+/* Buttons */
+
+#define DSMG600_PB_GPIO         15      /* power button */
+#define DSMG600_PB_BM           (1L << DSMG600_PB_GPIO)
+
+#define DSMG600_RB_GPIO         3       /* reset button */
+
+#define DSMG600_RB_IRQ          IRQ_IXP4XX_GPIO3
+
+#define DSMG600_PO_GPIO         2       /* power off */
+
+/* LEDs */
+
+#define DSMG600_LED_PWR_GPIO    0
+#define DSMG600_LED_PWR_BM      (1L << DSMG600_LED_PWR_GPIO)
+
+#define DSMG600_LED_WLAN_GPIO   14
+#define DSMG600_LED_WLAN_BM     (1L << DSMG600_LED_WLAN_GPIO)
diff --git a/include/asm-arm/arch-ixp4xx/entry-macro.S b/include/asm-arm/arch-ixp4xx/entry-macro.S
index dadb568b7ef0..f144a005ed95 100644
--- a/include/asm-arm/arch-ixp4xx/entry-macro.S
+++ b/include/asm-arm/arch-ixp4xx/entry-macro.S
@@ -31,9 +31,9 @@
 
 1001:
                 /*
-                 * IXP465 has an upper IRQ status register
+                 * IXP465/IXP435 has an upper IRQ status register
                  */
-#if defined(CONFIG_CPU_IXP46X)
+#if defined(CONFIG_CPU_IXP46X) || defined(CONFIG_CPU_IXP43X)
                 ldr     \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP2_OFFSET)
                 ldr     \irqstat, [\irqstat]            @ get upper interrupts
                 mov     \irqnr, #63
diff --git a/include/asm-arm/arch-ixp4xx/gpio.h b/include/asm-arm/arch-ixp4xx/gpio.h
new file mode 100644
index 000000000000..3a4c5b8ae9e1
--- /dev/null
+++ b/include/asm-arm/arch-ixp4xx/gpio.h
@@ -0,0 +1,73 @@
+/*
+ * linux/include/asm-arm/arch-ixp4xx/gpio.h
+ *
+ * IXP4XX GPIO wrappers for arch-neutral GPIO calls
+ *
+ * Written by Milan Svoboda <msvoboda@ra.rockwell.com>
+ * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com>
+ *
+ * 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
+ *
+ */
+
+#ifndef __ASM_ARCH_IXP4XX_GPIO_H
+#define __ASM_ARCH_IXP4XX_GPIO_H
+
+#include <asm/hardware.h>
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+        return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+        return;
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+        gpio_line_config(gpio, IXP4XX_GPIO_IN);
+        return 0;
+}
+
+static inline int gpio_direction_output(unsigned gpio, int level)
+{
+        gpio_line_set(gpio, level);
+        gpio_line_config(gpio, IXP4XX_GPIO_OUT);
+        return 0;
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+        int value;
+
+        gpio_line_get(gpio, &value);
+
+        return value;
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+        gpio_line_set(gpio, value);
+}
+
+#include <asm-generic/gpio.h>                   /* cansleep wrappers */
+
+extern int gpio_to_irq(int gpio);
+extern int irq_to_gpio(int gpio);
+
+#endif
+
diff --git a/include/asm-arm/arch-ixp4xx/hardware.h b/include/asm-arm/arch-ixp4xx/hardware.h
index 88fd0877dcc1..297ceda08b61 100644
--- a/include/asm-arm/arch-ixp4xx/hardware.h
+++ b/include/asm-arm/arch-ixp4xx/hardware.h
@@ -17,8 +17,8 @@
 #ifndef __ASM_ARCH_HARDWARE_H__
 #define __ASM_ARCH_HARDWARE_H__
 
-#define PCIBIOS_MIN_IO                  0x00001000
-#define PCIBIOS_MIN_MEM                 0x48000000
+#define PCIBIOS_MIN_IO          0x00001000
+#define PCIBIOS_MIN_MEM         (cpu_is_ixp43x() ? 0x40000000 : 0x48000000)
 
 /*
  * We override the standard dma-mask routines for bouncing.
@@ -27,11 +27,8 @@
 
 #define pcibios_assign_all_busses()     1
 
-#if defined(CONFIG_CPU_IXP46X) && !defined(__ASSEMBLY__)
-extern unsigned int processor_id;
-#define cpu_is_ixp465() ((processor_id & 0xffffffc0) == 0x69054200)
-#else
-#define cpu_is_ixp465() (0)
+#ifndef __ASSEMBLER__
+#include <asm/arch/cpu.h>
 #endif
 
 /* Register locations and bits */
@@ -47,5 +44,6 @@ extern unsigned int processor_id;
 #include "prpmc1100.h"
 #include "nslu2.h"
 #include "nas100d.h"
+#include "dsmg600.h"
 
 #endif  /* _ASM_ARCH_HARDWARE_H */
diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
index b27c910adf9d..c72f9d79417c 100644
--- a/include/asm-arm/arch-ixp4xx/io.h
+++ b/include/asm-arm/arch-ixp4xx/io.h
@@ -61,7 +61,7 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
 static inline void __iomem *
 __ixp4xx_ioremap(unsigned long addr, size_t size, unsigned int mtype)
 {
-        if((addr < 0x48000000) || (addr > 0x4fffffff))
+        if((addr < PCIBIOS_MIN_MEM) || (addr > 0x4fffffff))
                 return __arm_ioremap(addr, size, mtype);
 
         return (void *)addr;
diff --git a/include/asm-arm/arch-ixp4xx/irqs.h b/include/asm-arm/arch-ixp4xx/irqs.h
index e44a563d00ff..11801605047b 100644
--- a/include/asm-arm/arch-ixp4xx/irqs.h
+++ b/include/asm-arm/arch-ixp4xx/irqs.h
@@ -62,10 +62,10 @@
 /*
  * Only first 32 sources are valid if running on IXP42x systems
  */
-#ifndef CONFIG_CPU_IXP46X
-#define NR_IRQS                 32
-#else
+#if defined(CONFIG_CPU_IXP46X) || defined(CONFIG_CPU_IXP43X)
 #define NR_IRQS                 64
+#else
+#define NR_IRQS                 32
 #endif
 
 #define XSCALE_PMU_IRQ          (IRQ_IXP4XX_XSCALE_PMU)
@@ -118,4 +118,14 @@
 #define        IRQ_NAS100D_PCI_INTD    IRQ_IXP4XX_GPIO8
 #define        IRQ_NAS100D_PCI_INTE    IRQ_IXP4XX_GPIO7
 
+/*
+ * D-Link DSM-G600 RevA board IRQs
+ */
+#define        IRQ_DSMG600_PCI_INTA    IRQ_IXP4XX_GPIO11
+#define        IRQ_DSMG600_PCI_INTB    IRQ_IXP4XX_GPIO10
+#define        IRQ_DSMG600_PCI_INTC    IRQ_IXP4XX_GPIO9
+#define        IRQ_DSMG600_PCI_INTD    IRQ_IXP4XX_GPIO8
+#define        IRQ_DSMG600_PCI_INTE    IRQ_IXP4XX_GPIO7
+#define        IRQ_DSMG600_PCI_INTF    IRQ_IXP4XX_GPIO6
+
 #endif
diff --git a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
index ed35e5c94f40..5d949d763a91 100644
--- a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
+++ b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
@@ -607,19 +607,4 @@
 
 #define DCMD_LENGTH     0x01fff         /* length mask (max = 8K - 1) */
 
-#ifndef __ASSEMBLY__
-static inline int cpu_is_ixp46x(void)
-{
-#ifdef CONFIG_CPU_IXP46X
-        unsigned int processor_id;
-
-        asm("mrc p15, 0, %0, cr0, cr0, 0;" : "=r"(processor_id) :);
-
-        if ((processor_id & 0xffffff00) == 0x69054200)
-                return 1;
-#endif
-        return 0;
-}
-#endif
-
 #endif