[deliverable/linux.git] / arch / arm / mach-ixp4xx / nas100d-setup.c

/*
 * arch/arm/mach-ixp4xx/nas100d-setup.c
 *
 * NAS 100d board-setup
 *
 * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
 *
 * based on ixdp425-setup.c:
 *      Copyright (C) 2003-2004 MontaVista Software, Inc.
 * based on nas100d-power.c:
 *	Copyright (C) 2005 Tower Technologies
 * based on nas100d-io.c
 *	Copyright (C) 2004 Karen Spearel
 *
 * Author: Alessandro Zummo <a.zummo@towertech.it>
 * Author: Rod Whitby <rod@whitby.id.au>
 * Maintainers: http://www.nslu2-linux.org/
 *
 */
#include <linux/gpio.h>
#include <linux/if_ether.h>
#include <linux/irq.h>
#include <linux/jiffies.h>
#include <linux/timer.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/leds.h>
#include <linux/reboot.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/io.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>

#define NAS100D_SDA_PIN		5
#define NAS100D_SCL_PIN		6

/* Buttons */
#define NAS100D_PB_GPIO         14   /* power button */
#define NAS100D_RB_GPIO         4    /* reset button */

/* Power control */
#define NAS100D_PO_GPIO         12   /* power off */

/* LEDs */
#define NAS100D_LED_WLAN_GPIO	0
#define NAS100D_LED_DISK_GPIO	3
#define NAS100D_LED_PWR_GPIO	15

static struct flash_platform_data nas100d_flash_data = {
	.map_name		= "cfi_probe",
	.width			= 2,
};

static struct resource nas100d_flash_resource = {
	.flags			= IORESOURCE_MEM,
};

static struct platform_device nas100d_flash = {
	.name			= "IXP4XX-Flash",
	.id			= 0,
	.dev.platform_data	= &nas100d_flash_data,
	.num_resources		= 1,
	.resource		= &nas100d_flash_resource,
};

static struct i2c_board_info __initdata nas100d_i2c_board_info [] = {
	{
		I2C_BOARD_INFO("pcf8563", 0x51),
	},
};

static struct gpio_led nas100d_led_pins[] = {
	{
		.name		= "nas100d:green:wlan",
		.gpio		= NAS100D_LED_WLAN_GPIO,
		.active_low	= true,
	},
	{
		.name		= "nas100d:blue:power",  /* (off=flashing) */
		.gpio		= NAS100D_LED_PWR_GPIO,
		.active_low	= true,
	},
	{
		.name		= "nas100d:yellow:disk",
		.gpio		= NAS100D_LED_DISK_GPIO,
		.active_low	= true,
	},
};

static struct gpio_led_platform_data nas100d_led_data = {
	.num_leds		= ARRAY_SIZE(nas100d_led_pins),
	.leds			= nas100d_led_pins,
};

static struct platform_device nas100d_leds = {
	.name			= "leds-gpio",
	.id			= -1,
	.dev.platform_data	= &nas100d_led_data,
};

static struct i2c_gpio_platform_data nas100d_i2c_gpio_data = {
	.sda_pin		= NAS100D_SDA_PIN,
	.scl_pin		= NAS100D_SCL_PIN,
};

static struct platform_device nas100d_i2c_gpio = {
	.name			= "i2c-gpio",
	.id			= 0,
	.dev	 = {
		.platform_data	= &nas100d_i2c_gpio_data,
	},
};

static struct resource nas100d_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 nas100d_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 nas100d_uart = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev.platform_data	= nas100d_uart_data,
	.num_resources		= 2,
	.resource		= nas100d_uart_resources,
};

/* Built-in 10/100 Ethernet MAC interfaces */
static struct eth_plat_info nas100d_plat_eth[] = {
	{
		.phy		= 0,
		.rxq		= 3,
		.txreadyq	= 20,
	}
};

static struct platform_device nas100d_eth[] = {
	{
		.name			= "ixp4xx_eth",
		.id			= IXP4XX_ETH_NPEB,
		.dev.platform_data	= nas100d_plat_eth,
	}
};

static struct platform_device *nas100d_devices[] __initdata = {
	&nas100d_i2c_gpio,
	&nas100d_flash,
	&nas100d_leds,
	&nas100d_eth[0],
};

static void nas100d_power_off(void)
{
	/* This causes the box to drop the power and go dead. */

	/* enable the pwr cntl gpio and assert power off */
	gpio_direction_output(NAS100D_PO_GPIO, 1);
}

/* 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 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 nas100d_power_handler(unsigned long data);
static DEFINE_TIMER(nas100d_power_timer, nas100d_power_handler, 0, 0);

static void nas100d_power_handler(unsigned long data)
{
	/* This routine is called twice per second to check the
	 * state of the power button.
	 */

	if (gpio_get_value(NAS100D_PB_GPIO)) {

		/* IO Pin is 1 (button pushed) */
		if (power_button_countdown > 0)
			power_button_countdown--;

	} else {

		/* Done on button release, to allow for auto-power-on mods. */
		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_set_value(NAS100D_LED_PWR_GPIO, 0);
		} else {
			power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
		}
	}

	mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500));
}

static irqreturn_t nas100d_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 nas100d_gpio_init(void)
{
	if (!machine_is_nas100d())
		return 0;

	/*
	 * The power button on the Iomega NAS100d is on GPIO 14, but
	 * it cannot handle interrupts on that GPIO line.  So we'll
	 * have to poll it with a kernel timer.
	 */

	/* Request the power off GPIO */
	gpio_request(NAS100D_PO_GPIO, "power off");

	/* Make sure that the power button GPIO is set up as an input */
	gpio_request(NAS100D_PB_GPIO, "power button");
	gpio_direction_input(NAS100D_PB_GPIO);

	/* Set the initial value for the power button IRQ handler */
	power_button_countdown = PBUTTON_HOLDDOWN_COUNT;

	mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500));

	return 0;
}
device_initcall(nas100d_gpio_init);

static void __init nas100d_init(void)
{
	uint8_t __iomem *f;
	int i;

	ixp4xx_sys_init();

	/* gpio 14 and 15 are _not_ clocks */
	*IXP4XX_GPIO_GPCLKR = 0;

	nas100d_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
	nas100d_flash_resource.end =
		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;

	i2c_register_board_info(0, nas100d_i2c_board_info,
				ARRAY_SIZE(nas100d_i2c_board_info));

	/*
	 * This is only useful on a modified machine, but it is valuable
	 * to have it first in order to see debug messages, and so that
	 * it does *not* get removed if platform_add_devices fails!
	 */
	(void)platform_device_register(&nas100d_uart);

	platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices));

	pm_power_off = nas100d_power_off;

	if (request_irq(gpio_to_irq(NAS100D_RB_GPIO), &nas100d_reset_handler,
		IRQF_TRIGGER_LOW, "NAS100D reset button", NULL) < 0) {

		printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
			gpio_to_irq(NAS100D_RB_GPIO));
	}

	/*
	 * Map in a portion of the flash and read the MAC address.
	 * Since it is stored in BE in the flash itself, we need to
	 * byteswap it if we're in LE mode.
	 */
	f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x1000000);
	if (f) {
		for (i = 0; i < 6; i++)
#ifdef __ARMEB__
			nas100d_plat_eth[0].hwaddr[i] = readb(f + 0xFC0FD8 + i);
#else
			nas100d_plat_eth[0].hwaddr[i] = readb(f + 0xFC0FD8 + (i^3));
#endif
		iounmap(f);
	}
	printk(KERN_INFO "NAS100D: Using MAC address %pM for port 0\n",
	       nas100d_plat_eth[0].hwaddr);

}

MACHINE_START(NAS100D, "Iomega NAS 100d")
	/* Maintainer: www.nslu2-linux.org */
	.atag_offset	= 0x100,
	.map_io		= ixp4xx_map_io,
	.init_early	= ixp4xx_init_early,
	.init_irq	= ixp4xx_init_irq,
	.init_time	= ixp4xx_timer_init,
	.init_machine	= nas100d_init,
#if defined(CONFIG_PCI)
	.dma_zone_size	= SZ_64M,
#endif
	.restart	= ixp4xx_restart,
MACHINE_END
Commit	Line	Data
3145d8a6 RW	1	/*
	2	* arch/arm/mach-ixp4xx/nas100d-setup.c
	3	*
	4	* NAS 100d board-setup
	5	*
c7d1623e RW	6	* Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
	7	*
	8	* based on ixdp425-setup.c:
3145d8a6	9	* Copyright (C) 2003-2004 MontaVista Software, Inc.
c7d1623e RW	10	* based on nas100d-power.c:
	11	* Copyright (C) 2005 Tower Technologies
	12	* based on nas100d-io.c
	13	* Copyright (C) 2004 Karen Spearel
3145d8a6 RW	14	*
	15	* Author: Alessandro Zummo <a.zummo@towertech.it>
	16	* Author: Rod Whitby <rod@whitby.id.au>
	17	* Maintainers: http://www.nslu2-linux.org/
	18	*
	19	*/
2f8163ba	20	#include <linux/gpio.h>
b7edc84a	21	#include <linux/if_ether.h>
c7d1623e RW	22	#include <linux/irq.h>
	23	#include <linux/jiffies.h>
	24	#include <linux/timer.h>
3145d8a6 RW	25	#include <linux/serial.h>
3145d8a6 RW	26	#include <linux/serial_8250.h>
df6934b3	27	#include <linux/leds.h>
c7d1623e	28	#include <linux/reboot.h>
400d8231	29	#include <linux/i2c.h>
5a4a2387	30	#include <linux/i2c-gpio.h>
fced80c7	31	#include <linux/io.h>
3145d8a6 RW	32	#include <asm/mach-types.h>
	33	#include <asm/mach/arch.h>
	34	#include <asm/mach/flash.h>
	35
23fa6846 KH	36	#define NAS100D_SDA_PIN 5
	37	#define NAS100D_SCL_PIN 6
	38
	39	/* Buttons */
	40	#define NAS100D_PB_GPIO 14 /* power button */
	41	#define NAS100D_RB_GPIO 4 /* reset button */
	42
	43	/* Power control */
	44	#define NAS100D_PO_GPIO 12 /* power off */
	45
	46	/* LEDs */
	47	#define NAS100D_LED_WLAN_GPIO 0
	48	#define NAS100D_LED_DISK_GPIO 3
	49	#define NAS100D_LED_PWR_GPIO 15
	50
3145d8a6 RW	51	static struct flash_platform_data nas100d_flash_data = {
	52	.map_name = "cfi_probe",
	53	.width = 2,
	54	};
	55
	56	static struct resource nas100d_flash_resource = {
3145d8a6 RW	57	.flags = IORESOURCE_MEM,
	58	};
	59
	60	static struct platform_device nas100d_flash = {
	61	.name = "IXP4XX-Flash",
	62	.id = 0,
	63	.dev.platform_data = &nas100d_flash_data,
	64	.num_resources = 1,
	65	.resource = &nas100d_flash_resource,
	66	};
	67
400d8231 RW	68	static struct i2c_board_info __initdata nas100d_i2c_board_info [] = {
400d8231 RW	69	{
3760f736	70	I2C_BOARD_INFO("pcf8563", 0x51),
400d8231 RW	71	},
	72	};
	73
1208ebf2	74	static struct gpio_led nas100d_led_pins[] = {
df6934b3	75	{
6c152bee	76	.name = "nas100d:green:wlan",
1208ebf2 RW	77	.gpio = NAS100D_LED_WLAN_GPIO,
1208ebf2 RW	78	.active_low = true,
df6934b3 RW	79	},
df6934b3 RW	80	{
6c152bee	81	.name = "nas100d:blue:power", /* (off=flashing) */
1208ebf2 RW	82	.gpio = NAS100D_LED_PWR_GPIO,
1208ebf2 RW	83	.active_low = true,
df6934b3 RW	84	},
df6934b3 RW	85	{
6c152bee	86	.name = "nas100d:yellow:disk",
1208ebf2 RW	87	.gpio = NAS100D_LED_DISK_GPIO,
1208ebf2 RW	88	.active_low = true,
df6934b3 RW	89	},
	90	};
	91
1208ebf2 RW	92	static struct gpio_led_platform_data nas100d_led_data = {
	93	.num_leds = ARRAY_SIZE(nas100d_led_pins),
	94	.leds = nas100d_led_pins,
	95	};
	96
df6934b3	97	static struct platform_device nas100d_leds = {
1208ebf2	98	.name = "leds-gpio",
df6934b3	99	.id = -1,
1208ebf2	100	.dev.platform_data = &nas100d_led_data,
df6934b3	101	};
df6934b3	102
5a4a2387	103	static struct i2c_gpio_platform_data nas100d_i2c_gpio_data = {
3145d8a6 RW	104	.sda_pin = NAS100D_SDA_PIN,
	105	.scl_pin = NAS100D_SCL_PIN,
	106	};
	107
5a4a2387 MLJ	108	static struct platform_device nas100d_i2c_gpio = {
5a4a2387 MLJ	109	.name = "i2c-gpio",
3145d8a6	110	.id = 0,
5a4a2387 MLJ	111	.dev = {
	112	.platform_data = &nas100d_i2c_gpio_data,
	113	},
3145d8a6 RW	114	};
	115
	116	static struct resource nas100d_uart_resources[] = {
	117	{
	118	.start = IXP4XX_UART1_BASE_PHYS,
	119	.end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
	120	.flags = IORESOURCE_MEM,
	121	},
	122	{
	123	.start = IXP4XX_UART2_BASE_PHYS,
	124	.end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
	125	.flags = IORESOURCE_MEM,
	126	}
	127	};
	128
	129	static struct plat_serial8250_port nas100d_uart_data[] = {
	130	{
	131	.mapbase = IXP4XX_UART1_BASE_PHYS,
	132	.membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
	133	.irq = IRQ_IXP4XX_UART1,
	134	.flags = UPF_BOOT_AUTOCONF,
	135	.iotype = UPIO_MEM,
	136	.regshift = 2,
	137	.uartclk = IXP4XX_UART_XTAL,
	138	},
	139	{
	140	.mapbase = IXP4XX_UART2_BASE_PHYS,
	141	.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
	142	.irq = IRQ_IXP4XX_UART2,
	143	.flags = UPF_BOOT_AUTOCONF,
	144	.iotype = UPIO_MEM,
	145	.regshift = 2,
	146	.uartclk = IXP4XX_UART_XTAL,
	147	},
	148	{ }
	149	};
	150
	151	static struct platform_device nas100d_uart = {
	152	.name = "serial8250",
	153	.id = PLAT8250_DEV_PLATFORM,
	154	.dev.platform_data = nas100d_uart_data,
	155	.num_resources = 2,
	156	.resource = nas100d_uart_resources,
	157	};
	158
b7edc84a RW	159	/* Built-in 10/100 Ethernet MAC interfaces */
	160	static struct eth_plat_info nas100d_plat_eth[] = {
	161	{
	162	.phy = 0,
	163	.rxq = 3,
	164	.txreadyq = 20,
	165	}
	166	};
	167
	168	static struct platform_device nas100d_eth[] = {
	169	{
	170	.name = "ixp4xx_eth",
	171	.id = IXP4XX_ETH_NPEB,
	172	.dev.platform_data = nas100d_plat_eth,
	173	}
	174	};
	175
3145d8a6	176	static struct platform_device *nas100d_devices[] __initdata = {
5a4a2387	177	&nas100d_i2c_gpio,
3145d8a6	178	&nas100d_flash,
df6934b3	179	&nas100d_leds,
b7edc84a	180	&nas100d_eth[0],
3145d8a6 RW	181	};
	182
	183	static void nas100d_power_off(void)
	184	{
	185	/* This causes the box to drop the power and go dead. */
	186
8040dd09 LW	187	/* enable the pwr cntl gpio and assert power off */
8040dd09 LW	188	gpio_direction_output(NAS100D_PO_GPIO, 1);
3145d8a6 RW	189	}
3145d8a6 RW	190
c7d1623e RW	191	/* This is used to make sure the power-button pusher is serious. The button
	192	* must be held until the value of this counter reaches zero.
	193	*/
	194	static int power_button_countdown;
	195
	196	/* Must hold the button down for at least this many counts to be processed */
	197	#define PBUTTON_HOLDDOWN_COUNT 4 /* 2 secs */
	198
	199	static void nas100d_power_handler(unsigned long data);
	200	static DEFINE_TIMER(nas100d_power_timer, nas100d_power_handler, 0, 0);
	201
	202	static void nas100d_power_handler(unsigned long data)
	203	{
	204	/* This routine is called twice per second to check the
	205	* state of the power button.
	206	*/
	207
	208	if (gpio_get_value(NAS100D_PB_GPIO)) {
	209
	210	/* IO Pin is 1 (button pushed) */
	211	if (power_button_countdown > 0)
	212	power_button_countdown--;
	213
	214	} else {
	215
	216	/* Done on button release, to allow for auto-power-on mods. */
	217	if (power_button_countdown == 0) {
	218	/* Signal init to do the ctrlaltdel action,
	219	* this will bypass init if it hasn't started
	220	* and do a kernel_restart.
	221	*/
	222	ctrl_alt_del();
	223
	224	/* Change the state of the power LED to "blink" */
8040dd09	225	gpio_set_value(NAS100D_LED_PWR_GPIO, 0);
c7d1623e RW	226	} else {
	227	power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
	228	}
	229	}
	230
	231	mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500));
	232	}
	233
	234	static irqreturn_t nas100d_reset_handler(int irq, void *dev_id)
	235	{
	236	/* This is the paper-clip reset, it shuts the machine down directly. */
	237	machine_power_off();
	238
	239	return IRQ_HANDLED;
	240	}
	241
8040dd09 LW	242	static int __init nas100d_gpio_init(void)
	243	{
	244	if (!machine_is_nas100d())
	245	return 0;
	246
	247	/*
	248	* The power button on the Iomega NAS100d is on GPIO 14, but
	249	* it cannot handle interrupts on that GPIO line. So we'll
	250	* have to poll it with a kernel timer.
	251	*/
	252
	253	/* Request the power off GPIO */
	254	gpio_request(NAS100D_PO_GPIO, "power off");
	255
	256	/* Make sure that the power button GPIO is set up as an input */
	257	gpio_request(NAS100D_PB_GPIO, "power button");
	258	gpio_direction_input(NAS100D_PB_GPIO);
	259
	260	/* Set the initial value for the power button IRQ handler */
	261	power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
	262
	263	mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500));
	264
	265	return 0;
	266	}
	267	device_initcall(nas100d_gpio_init);
	268
3145d8a6 RW	269	static void __init nas100d_init(void)
3145d8a6 RW	270	{
b7edc84a RW	271	uint8_t __iomem *f;
	272	int i;
	273
3145d8a6 RW	274	ixp4xx_sys_init();
3145d8a6 RW	275
dcc8fa50 AZ	276	/* gpio 14 and 15 are _not_ clocks */
	277	*IXP4XX_GPIO_GPCLKR = 0;
	278
54e269ea DS	279	nas100d_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
	280	nas100d_flash_resource.end =
	281	IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
	282
400d8231 RW	283	i2c_register_board_info(0, nas100d_i2c_board_info,
	284	ARRAY_SIZE(nas100d_i2c_board_info));
	285
cc50a0df MLJ	286	/*
cc50a0df MLJ	287	* This is only useful on a modified machine, but it is valuable
df6934b3 RW	288	* to have it first in order to see debug messages, and so that
	289	* it does not get removed if platform_add_devices fails!
	290	*/
	291	(void)platform_device_register(&nas100d_uart);
	292
3145d8a6	293	platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices));
b7edc84a	294
c7d1623e RW	295	pm_power_off = nas100d_power_off;
	296
	297	if (request_irq(gpio_to_irq(NAS100D_RB_GPIO), &nas100d_reset_handler,
1ee6564d	298	IRQF_TRIGGER_LOW, "NAS100D reset button", NULL) < 0) {
c7d1623e RW	299
	300	printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
	301	gpio_to_irq(NAS100D_RB_GPIO));
	302	}
	303
b7edc84a RW	304	/*
	305	* Map in a portion of the flash and read the MAC address.
	306	* Since it is stored in BE in the flash itself, we need to
	307	* byteswap it if we're in LE mode.
	308	*/
	309	f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x1000000);
	310	if (f) {
	311	for (i = 0; i < 6; i++)
	312	#ifdef __ARMEB__
	313	nas100d_plat_eth[0].hwaddr[i] = readb(f + 0xFC0FD8 + i);
	314	#else
	315	nas100d_plat_eth[0].hwaddr[i] = readb(f + 0xFC0FD8 + (i^3));
	316	#endif
	317	iounmap(f);
	318	}
e174961c JB	319	printk(KERN_INFO "NAS100D: Using MAC address %pM for port 0\n",
e174961c JB	320	nas100d_plat_eth[0].hwaddr);
b7edc84a	321
3145d8a6 RW	322	}
	323
	324	MACHINE_START(NAS100D, "Iomega NAS 100d")
	325	/* Maintainer: www.nslu2-linux.org */
e022c729	326	.atag_offset = 0x100,
3145d8a6	327	.map_io = ixp4xx_map_io,
f449588c	328	.init_early = ixp4xx_init_early,
3145d8a6	329	.init_irq = ixp4xx_init_irq,
6bb27d73	330	.init_time = ixp4xx_timer_init,
3145d8a6	331	.init_machine = nas100d_init,
7553ee77 NP	332	#if defined(CONFIG_PCI)
	333	.dma_zone_size = SZ_64M,
	334	#endif
d1b860fb	335	.restart = ixp4xx_restart,
3145d8a6	336	MACHINE_END