arch/arm/mach-orion5x/dns323-setup.c - LeafOS-Devices/android_kernel_samsung_universal7904 - Gitiles

 /*
  * arch/arm/mach-orion5x/dns323-setup.c
  *
  * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser 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/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/pci.h>
 #include <linux/irq.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/leds.h>
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/i2c.h>
 #include <asm/mach-types.h>
 #include <asm/gpio.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/orion5x.h>
 #include "common.h"
 #include "mpp.h"

 #define DNS323_GPIO_LED_RIGHT_AMBER	1
 #define DNS323_GPIO_LED_LEFT_AMBER	2
 #define DNS323_GPIO_LED_POWER		5
 #define DNS323_GPIO_OVERTEMP		6
 #define DNS323_GPIO_RTC			7
 #define DNS323_GPIO_POWER_OFF		8
 #define DNS323_GPIO_KEY_POWER		9
 #define DNS323_GPIO_KEY_RESET		10

 /****************************************************************************
  * PCI setup
  */

 static int __init dns323_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 {
 	int irq;

 	/*
 	 * Check for devices with hard-wired IRQs.
 	 */
 	irq = orion5x_pci_map_irq(dev, slot, pin);
 	if (irq != -1)
 		return irq;

 	return -1;
 }

 static struct hw_pci dns323_pci __initdata = {
 	.nr_controllers = 2,
 	.swizzle	= pci_std_swizzle,
 	.setup		= orion5x_pci_sys_setup,
 	.scan		= orion5x_pci_sys_scan_bus,
 	.map_irq	= dns323_pci_map_irq,
 };

 static int __init dns323_pci_init(void)
 {
 	if (machine_is_dns323())
 		pci_common_init(&dns323_pci);

 	return 0;
 }

 subsys_initcall(dns323_pci_init);

 /****************************************************************************
  * 8MiB NOR flash (Spansion S29GL064M90TFIR4)
  *
  * Layout as used by D-Link:
  *  0x00000000-0x00010000 : "MTD1"
  *  0x00010000-0x00020000 : "MTD2"
  *  0x00020000-0x001a0000 : "Linux Kernel"
  *  0x001a0000-0x007d0000 : "File System"
  *  0x007d0000-0x00800000 : "u-boot"
  */

 #define DNS323_NOR_BOOT_BASE 0xf4000000
 #define DNS323_NOR_BOOT_SIZE SZ_8M

 static struct mtd_partition dns323_partitions[] = {
 	{
 		.name	= "MTD1",
 		.size	= 0x00010000,
 		.offset	= 0,
 	}, {
 		.name	= "MTD2",
 		.size	= 0x00010000,
 		.offset = 0x00010000,
 	}, {
 		.name	= "Linux Kernel",
 		.size	= 0x00180000,
 		.offset	= 0x00020000,
 	}, {
 		.name	= "File System",
 		.size	= 0x00630000,
 		.offset	= 0x001A0000,
 	}, {
 		.name	= "u-boot",
 		.size	= 0x00030000,
 		.offset	= 0x007d0000,
 	},
 };

 static struct physmap_flash_data dns323_nor_flash_data = {
 	.width		= 1,
 	.parts		= dns323_partitions,
 	.nr_parts	= ARRAY_SIZE(dns323_partitions)
 };

 static struct resource dns323_nor_flash_resource = {
 	.flags		= IORESOURCE_MEM,
 	.start		= DNS323_NOR_BOOT_BASE,
 	.end		= DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
 };

 static struct platform_device dns323_nor_flash = {
 	.name		= "physmap-flash",
 	.id		= 0,
 	.dev		= {
 		.platform_data	= &dns323_nor_flash_data,
 	},
 	.resource	= &dns323_nor_flash_resource,
 	.num_resources	= 1,
 };

 /****************************************************************************
  * Ethernet
  */

 static struct mv643xx_eth_platform_data dns323_eth_data = {
 	.phy_addr = MV643XX_ETH_PHY_ADDR(8),
 };

 /* dns323_parse_hex_*() taken from tsx09-common.c; should a common copy of these
  * functions be kept somewhere?
  */
 static int __init dns323_parse_hex_nibble(char n)
 {
 	if (n >= '0' && n <= '9')
 		return n - '0';

 	if (n >= 'A' && n <= 'F')
 		return n - 'A' + 10;

 	if (n >= 'a' && n <= 'f')
 		return n - 'a' + 10;

 	return -1;
 }

 static int __init dns323_parse_hex_byte(const char *b)
 {
 	int hi;
 	int lo;

 	hi = dns323_parse_hex_nibble(b[0]);
 	lo = dns323_parse_hex_nibble(b[1]);

 	if (hi < 0 || lo < 0)
 		return -1;

 	return (hi << 4) | lo;
 }

 static int __init dns323_read_mac_addr(void)
 {
 	u_int8_t addr[6];
 	int i;
 	char *mac_page;

 	/* MAC address is stored as a regular ol' string in /dev/mtdblock4
 	 * (0x007d0000-0x00800000) starting at offset 196480 (0x2ff80).
 	 */
 	mac_page = ioremap(DNS323_NOR_BOOT_BASE + 0x7d0000 + 196480, 1024);
 	if (!mac_page)
 		return -ENOMEM;

 	/* Sanity check the string we're looking at */
 	for (i = 0; i < 5; i++) {
 		if (*(mac_page + (i * 3) + 2) != ':') {
 			goto error_fail;
 		}
 	}

 	for (i = 0; i < 6; i++)	{
 		int byte;

 		byte = dns323_parse_hex_byte(mac_page + (i * 3));
 		if (byte < 0) {
 			goto error_fail;
 		}

 		addr[i] = byte;
 	}

 	iounmap(mac_page);
 	printk("DNS323: Found ethernet MAC address: ");
 	for (i = 0; i < 6; i++)
 		printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n");

 	memcpy(dns323_eth_data.mac_addr, addr, 6);

 	return 0;

 error_fail:
 	iounmap(mac_page);
 	return -EINVAL;
 }

 /****************************************************************************
  * GPIO LEDs (simple - doesn't use hardware blinking support)
  */

 static struct gpio_led dns323_leds[] = {
 	{
 		.name = "power:blue",
 		.gpio = DNS323_GPIO_LED_POWER,
 		.active_low = 1,
 	}, {
 		.name = "right:amber",
 		.gpio = DNS323_GPIO_LED_RIGHT_AMBER,
 		.active_low = 1,
 	}, {
 		.name = "left:amber",
 		.gpio = DNS323_GPIO_LED_LEFT_AMBER,
 		.active_low = 1,
 	},
 };

 static struct gpio_led_platform_data dns323_led_data = {
 	.num_leds	= ARRAY_SIZE(dns323_leds),
 	.leds		= dns323_leds,
 };

 static struct platform_device dns323_gpio_leds = {
 	.name		= "leds-gpio",
 	.id		= -1,
 	.dev		= {
 		.platform_data	= &dns323_led_data,
 	},
 };

 /****************************************************************************
  * GPIO Attached Keys
  */

 static struct gpio_keys_button dns323_buttons[] = {
 	{
 		.code		= KEY_RESTART,
 		.gpio		= DNS323_GPIO_KEY_RESET,
 		.desc		= "Reset Button",
 		.active_low	= 1,
 	}, {
 		.code		= KEY_POWER,
 		.gpio		= DNS323_GPIO_KEY_POWER,
 		.desc		= "Power Button",
 		.active_low	= 1,
 	},
 };

 static struct gpio_keys_platform_data dns323_button_data = {
 	.buttons	= dns323_buttons,
 	.nbuttons	= ARRAY_SIZE(dns323_buttons),
 };

 static struct platform_device dns323_button_device = {
 	.name		= "gpio-keys",
 	.id		= -1,
 	.num_resources	= 0,
 	.dev		= {
 		.platform_data	= &dns323_button_data,
 	},
 };

 /****************************************************************************
  * General Setup
  */
 static struct orion5x_mpp_mode dns323_mpp_modes[] __initdata = {
 	{  0, MPP_PCIE_RST_OUTn },
 	{  1, MPP_GPIO },		/* right amber LED (sata ch0) */
 	{  2, MPP_GPIO },		/* left amber LED (sata ch1) */
 	{  3, MPP_UNUSED },
 	{  4, MPP_GPIO },		/* power button LED */
 	{  5, MPP_GPIO },		/* power button LED */
 	{  6, MPP_GPIO },		/* GMT G751-2f overtemp */
 	{  7, MPP_GPIO },		/* M41T80 nIRQ/OUT/SQW */
 	{  8, MPP_GPIO },		/* triggers power off */
 	{  9, MPP_GPIO },		/* power button switch */
 	{ 10, MPP_GPIO },		/* reset button switch */
 	{ 11, MPP_UNUSED },
 	{ 12, MPP_UNUSED },
 	{ 13, MPP_UNUSED },
 	{ 14, MPP_UNUSED },
 	{ 15, MPP_UNUSED },
 	{ 16, MPP_UNUSED },
 	{ 17, MPP_UNUSED },
 	{ 18, MPP_UNUSED },
 	{ 19, MPP_UNUSED },
 	{ -1 },
 };

 /*
  * On the DNS-323 the following devices are attached via I2C:
  *
  *  i2c addr | chip        | description
  *  0x3e     | GMT G760Af  | fan speed PWM controller
  *  0x48     | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
  *  0x68     | ST M41T80   | RTC w/ alarm
  */
 static struct i2c_board_info __initdata dns323_i2c_devices[] = {
 	{
 		I2C_BOARD_INFO("g760a", 0x3e),
 	}, {
 		I2C_BOARD_INFO("lm75", 0x48),
 	}, {
 		I2C_BOARD_INFO("m41t80", 0x68),
 	},
 };

 /* DNS-323 specific power off method */
 static void dns323_power_off(void)
 {
 	pr_info("%s: triggering power-off...\n", __func__);
 	gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
 }

 static void __init dns323_init(void)
 {
 	/* Setup basic Orion functions. Need to be called early. */
 	orion5x_init();

 	orion5x_mpp_conf(dns323_mpp_modes);
 	writel(0, MPP_DEV_CTRL);		/* DEV_D[31:16] */

 	/* setup flash mapping
 	 * CS3 holds a 8 MB Spansion S29GL064M90TFIR4
 	 */
 	orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE);
 	platform_device_register(&dns323_nor_flash);

 	platform_device_register(&dns323_gpio_leds);

 	platform_device_register(&dns323_button_device);

 	i2c_register_board_info(0, dns323_i2c_devices,
 				ARRAY_SIZE(dns323_i2c_devices));

 	/*
 	 * Configure peripherals.
 	 */
 	if (dns323_read_mac_addr() < 0)
 		printk("DNS323: Failed to read MAC address\n");

 	orion5x_ehci0_init();
 	orion5x_eth_init(&dns323_eth_data);
 	orion5x_i2c_init();
 	orion5x_uart0_init();

 	/* register dns323 specific power-off method */
 	if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
 	    gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
 		pr_err("DNS323: failed to setup power-off GPIO\n");
 	pm_power_off = dns323_power_off;
 }

 /* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
 MACHINE_START(DNS323, "D-Link DNS-323")
 	/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
 	.phys_io	= ORION5X_REGS_PHYS_BASE,
 	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 	.boot_params	= 0x00000100,
 	.init_machine	= dns323_init,
 	.map_io		= orion5x_map_io,
 	.init_irq	= orion5x_init_irq,
 	.timer		= &orion5x_timer,
 	.fixup		= tag_fixup_mem32,
 MACHINE_END
	/*
	* arch/arm/mach-orion5x/dns323-setup.c
	*
	* Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU Lesser 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/kernel.h>
	#include <linux/init.h>
	#include <linux/platform_device.h>
	#include <linux/pci.h>
	#include <linux/irq.h>
	#include <linux/mtd/physmap.h>
	#include <linux/mv643xx_eth.h>
	#include <linux/leds.h>
	#include <linux/gpio_keys.h>
	#include <linux/input.h>
	#include <linux/i2c.h>
	#include <asm/mach-types.h>
	#include <asm/gpio.h>
	#include <asm/mach/arch.h>
	#include <asm/mach/pci.h>
	#include <mach/orion5x.h>
	#include "common.h"
	#include "mpp.h"

	#define DNS323_GPIO_LED_RIGHT_AMBER 1
	#define DNS323_GPIO_LED_LEFT_AMBER 2
	#define DNS323_GPIO_LED_POWER 5
	#define DNS323_GPIO_OVERTEMP 6
	#define DNS323_GPIO_RTC 7
	#define DNS323_GPIO_POWER_OFF 8
	#define DNS323_GPIO_KEY_POWER 9
	#define DNS323_GPIO_KEY_RESET 10

	/****************************************************************************
	* PCI setup
	*/

	static int __init dns323_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
	{
	int irq;

	/*
	* Check for devices with hard-wired IRQs.
	*/
	irq = orion5x_pci_map_irq(dev, slot, pin);
	if (irq != -1)
	return irq;

	return -1;
	}

	static struct hw_pci dns323_pci __initdata = {
	.nr_controllers = 2,
	.swizzle = pci_std_swizzle,
	.setup = orion5x_pci_sys_setup,
	.scan = orion5x_pci_sys_scan_bus,
	.map_irq = dns323_pci_map_irq,
	};

	static int __init dns323_pci_init(void)
	{
	if (machine_is_dns323())
	pci_common_init(&dns323_pci);

	return 0;
	}

	subsys_initcall(dns323_pci_init);

	/****************************************************************************
	* 8MiB NOR flash (Spansion S29GL064M90TFIR4)
	*
	* Layout as used by D-Link:
	* 0x00000000-0x00010000 : "MTD1"
	* 0x00010000-0x00020000 : "MTD2"
	* 0x00020000-0x001a0000 : "Linux Kernel"
	* 0x001a0000-0x007d0000 : "File System"
	* 0x007d0000-0x00800000 : "u-boot"
	*/

	#define DNS323_NOR_BOOT_BASE 0xf4000000
	#define DNS323_NOR_BOOT_SIZE SZ_8M

	static struct mtd_partition dns323_partitions[] = {
	{
	.name = "MTD1",
	.size = 0x00010000,
	.offset = 0,
	}, {
	.name = "MTD2",
	.size = 0x00010000,
	.offset = 0x00010000,
	}, {
	.name = "Linux Kernel",
	.size = 0x00180000,
	.offset = 0x00020000,
	}, {
	.name = "File System",
	.size = 0x00630000,
	.offset = 0x001A0000,
	}, {
	.name = "u-boot",
	.size = 0x00030000,
	.offset = 0x007d0000,
	},
	};

	static struct physmap_flash_data dns323_nor_flash_data = {
	.width = 1,
	.parts = dns323_partitions,
	.nr_parts = ARRAY_SIZE(dns323_partitions)
	};

	static struct resource dns323_nor_flash_resource = {
	.flags = IORESOURCE_MEM,
	.start = DNS323_NOR_BOOT_BASE,
	.end = DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
	};

	static struct platform_device dns323_nor_flash = {
	.name = "physmap-flash",
	.id = 0,
	.dev = {
	.platform_data = &dns323_nor_flash_data,
	},
	.resource = &dns323_nor_flash_resource,
	.num_resources = 1,
	};

	/****************************************************************************
	* Ethernet
	*/

	static struct mv643xx_eth_platform_data dns323_eth_data = {
	.phy_addr = MV643XX_ETH_PHY_ADDR(8),
	};

	/* dns323_parse_hex_*() taken from tsx09-common.c; should a common copy of these
	* functions be kept somewhere?
	*/
	static int __init dns323_parse_hex_nibble(char n)
	{
	if (n >= '0' && n <= '9')
	return n - '0';

	if (n >= 'A' && n <= 'F')
	return n - 'A' + 10;

	if (n >= 'a' && n <= 'f')
	return n - 'a' + 10;

	return -1;
	}

	static int __init dns323_parse_hex_byte(const char *b)
	{
	int hi;
	int lo;

	hi = dns323_parse_hex_nibble(b[0]);
	lo = dns323_parse_hex_nibble(b[1]);

	if (hi < 0 \|\| lo < 0)
	return -1;

	return (hi << 4) \| lo;
	}

	static int __init dns323_read_mac_addr(void)
	{
	u_int8_t addr[6];
	int i;
	char *mac_page;

	/* MAC address is stored as a regular ol' string in /dev/mtdblock4
	* (0x007d0000-0x00800000) starting at offset 196480 (0x2ff80).
	*/
	mac_page = ioremap(DNS323_NOR_BOOT_BASE + 0x7d0000 + 196480, 1024);
	if (!mac_page)
	return -ENOMEM;

	/* Sanity check the string we're looking at */
	for (i = 0; i < 5; i++) {
	if ((mac_page + (i 3) + 2) != ':') {
	goto error_fail;
	}
	}

	for (i = 0; i < 6; i++) {
	int byte;

	byte = dns323_parse_hex_byte(mac_page + (i * 3));
	if (byte < 0) {
	goto error_fail;
	}

	addr[i] = byte;
	}

	iounmap(mac_page);
	printk("DNS323: Found ethernet MAC address: ");
	for (i = 0; i < 6; i++)
	printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n");

	memcpy(dns323_eth_data.mac_addr, addr, 6);

	return 0;

	error_fail:
	iounmap(mac_page);
	return -EINVAL;
	}

	/****************************************************************************
	* GPIO LEDs (simple - doesn't use hardware blinking support)
	*/

	static struct gpio_led dns323_leds[] = {
	{
	.name = "power:blue",
	.gpio = DNS323_GPIO_LED_POWER,
	.active_low = 1,
	}, {
	.name = "right:amber",
	.gpio = DNS323_GPIO_LED_RIGHT_AMBER,
	.active_low = 1,
	}, {
	.name = "left:amber",
	.gpio = DNS323_GPIO_LED_LEFT_AMBER,
	.active_low = 1,
	},
	};

	static struct gpio_led_platform_data dns323_led_data = {
	.num_leds = ARRAY_SIZE(dns323_leds),
	.leds = dns323_leds,
	};

	static struct platform_device dns323_gpio_leds = {
	.name = "leds-gpio",
	.id = -1,
	.dev = {
	.platform_data = &dns323_led_data,
	},
	};

	/****************************************************************************
	* GPIO Attached Keys
	*/

	static struct gpio_keys_button dns323_buttons[] = {
	{
	.code = KEY_RESTART,
	.gpio = DNS323_GPIO_KEY_RESET,
	.desc = "Reset Button",
	.active_low = 1,
	}, {
	.code = KEY_POWER,
	.gpio = DNS323_GPIO_KEY_POWER,
	.desc = "Power Button",
	.active_low = 1,
	},
	};

	static struct gpio_keys_platform_data dns323_button_data = {
	.buttons = dns323_buttons,
	.nbuttons = ARRAY_SIZE(dns323_buttons),
	};

	static struct platform_device dns323_button_device = {
	.name = "gpio-keys",
	.id = -1,
	.num_resources = 0,
	.dev = {
	.platform_data = &dns323_button_data,
	},
	};

	/****************************************************************************
	* General Setup
	*/
	static struct orion5x_mpp_mode dns323_mpp_modes[] __initdata = {
	{ 0, MPP_PCIE_RST_OUTn },
	{ 1, MPP_GPIO }, /* right amber LED (sata ch0) */
	{ 2, MPP_GPIO }, /* left amber LED (sata ch1) */
	{ 3, MPP_UNUSED },
	{ 4, MPP_GPIO }, /* power button LED */
	{ 5, MPP_GPIO }, /* power button LED */
	{ 6, MPP_GPIO }, /* GMT G751-2f overtemp */
	{ 7, MPP_GPIO }, /* M41T80 nIRQ/OUT/SQW */
	{ 8, MPP_GPIO }, /* triggers power off */
	{ 9, MPP_GPIO }, /* power button switch */
	{ 10, MPP_GPIO }, /* reset button switch */
	{ 11, MPP_UNUSED },
	{ 12, MPP_UNUSED },
	{ 13, MPP_UNUSED },
	{ 14, MPP_UNUSED },
	{ 15, MPP_UNUSED },
	{ 16, MPP_UNUSED },
	{ 17, MPP_UNUSED },
	{ 18, MPP_UNUSED },
	{ 19, MPP_UNUSED },
	{ -1 },
	};

	/*
	* On the DNS-323 the following devices are attached via I2C:
	*
	* i2c addr \| chip \| description
	* 0x3e \| GMT G760Af \| fan speed PWM controller
	* 0x48 \| GMT G751-2f \| temp. sensor and therm. watchdog (LM75 compatible)
	* 0x68 \| ST M41T80 \| RTC w/ alarm
	*/
	static struct i2c_board_info __initdata dns323_i2c_devices[] = {
	{
	I2C_BOARD_INFO("g760a", 0x3e),
	}, {
	I2C_BOARD_INFO("lm75", 0x48),
	}, {
	I2C_BOARD_INFO("m41t80", 0x68),
	},
	};

	/* DNS-323 specific power off method */
	static void dns323_power_off(void)
	{
	pr_info("%s: triggering power-off...\n", __func__);
	gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
	}

	static void __init dns323_init(void)
	{
	/* Setup basic Orion functions. Need to be called early. */
	orion5x_init();

	orion5x_mpp_conf(dns323_mpp_modes);
	writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */

	/* setup flash mapping
	* CS3 holds a 8 MB Spansion S29GL064M90TFIR4
	*/
	orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE);
	platform_device_register(&dns323_nor_flash);

	platform_device_register(&dns323_gpio_leds);

	platform_device_register(&dns323_button_device);

	i2c_register_board_info(0, dns323_i2c_devices,
	ARRAY_SIZE(dns323_i2c_devices));

	/*
	* Configure peripherals.
	*/
	if (dns323_read_mac_addr() < 0)
	printk("DNS323: Failed to read MAC address\n");

	orion5x_ehci0_init();
	orion5x_eth_init(&dns323_eth_data);
	orion5x_i2c_init();
	orion5x_uart0_init();

	/* register dns323 specific power-off method */
	if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 \|\|
	gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
	pr_err("DNS323: failed to setup power-off GPIO\n");
	pm_power_off = dns323_power_off;
	}

	/* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
	MACHINE_START(DNS323, "D-Link DNS-323")
	/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
	.phys_io = ORION5X_REGS_PHYS_BASE,
	.io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
	.boot_params = 0x00000100,
	.init_machine = dns323_init,
	.map_io = orion5x_map_io,
	.init_irq = orion5x_init_irq,
	.timer = &orion5x_timer,
	.fixup = tag_fixup_mem32,
	MACHINE_END