[mirror_ubuntu-focal-kernel.git] / arch / arm / mach-iop32x / n2100.c

/*
 * arch/arm/mach-iop32x/n2100.c
 *
 * Board support code for the Thecus N2100 platform.
 *
 * Author: Rory Bolt <rorybolt@pacbell.net>
 * Copyright (C) 2002 Rory Bolt
 * Copyright 2003 (c) MontaVista, Software, Inc.
 * Copyright (C) 2004 Intel Corp.
 *
 * 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.
 */

#include <linux/mm.h>
#include <linux/init.h>
#include <linux/f75375s.h>
#include <linux/leds-pca9532.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/pm.h>
#include <linux/string.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <linux/mtd/physmap.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/reboot.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/pci.h>
#include <asm/mach/time.h>
#include <asm/mach-types.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <mach/time.h>
#include "gpio-iop32x.h"

/*
 * N2100 timer tick configuration.
 */
static void __init n2100_timer_init(void)
{
	/* 33.000 MHz crystal.  */
	iop_init_time(198000000);
}


/*
 * N2100 I/O.
 */
static struct map_desc n2100_io_desc[] __initdata = {
	{	/* on-board devices */
		.virtual	= N2100_UART,
		.pfn		= __phys_to_pfn(N2100_UART),
		.length		= 0x00100000,
		.type		= MT_DEVICE
	},
};

void __init n2100_map_io(void)
{
	iop3xx_map_io();
	iotable_init(n2100_io_desc, ARRAY_SIZE(n2100_io_desc));
}


/*
 * N2100 PCI.
 */
static int n2100_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
	int irq;

	if (PCI_SLOT(dev->devfn) == 1) {
		/* RTL8110SB #1 */
		irq = IRQ_IOP32X_XINT0;
	} else if (PCI_SLOT(dev->devfn) == 2) {
		/* RTL8110SB #2 */
		irq = IRQ_IOP32X_XINT3;
	} else if (PCI_SLOT(dev->devfn) == 3) {
		/* Sil3512 */
		irq = IRQ_IOP32X_XINT2;
	} else if (PCI_SLOT(dev->devfn) == 4 && pin == 1) {
		/* VT6212 INTA */
		irq = IRQ_IOP32X_XINT1;
	} else if (PCI_SLOT(dev->devfn) == 4 && pin == 2) {
		/* VT6212 INTB */
		irq = IRQ_IOP32X_XINT0;
	} else if (PCI_SLOT(dev->devfn) == 4 && pin == 3) {
		/* VT6212 INTC */
		irq = IRQ_IOP32X_XINT2;
	} else if (PCI_SLOT(dev->devfn) == 5) {
		/* Mini-PCI slot */
		irq = IRQ_IOP32X_XINT3;
	} else {
		printk(KERN_ERR "n2100_pci_map_irq() called for unknown "
			"device PCI:%d:%d:%d\n", dev->bus->number,
			PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
		irq = -1;
	}

	return irq;
}

static struct hw_pci n2100_pci __initdata = {
	.nr_controllers = 1,
	.ops		= &iop3xx_ops,
	.setup		= iop3xx_pci_setup,
	.preinit	= iop3xx_pci_preinit,
	.map_irq	= n2100_pci_map_irq,
};

/*
 * Both r8169 chips on the n2100 exhibit PCI parity problems.  Set
 * the ->broken_parity_status flag for both ports so that the r8169
 * driver knows it should ignore error interrupts.
 */
static void n2100_fixup_r8169(struct pci_dev *dev)
{
	if (dev->bus->number == 0 &&
	    (dev->devfn == PCI_DEVFN(1, 0) ||
	     dev->devfn == PCI_DEVFN(2, 0)))
		dev->broken_parity_status = 1;
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_REALTEK, PCI_ANY_ID, n2100_fixup_r8169);

static int __init n2100_pci_init(void)
{
	if (machine_is_n2100())
		pci_common_init(&n2100_pci);

	return 0;
}

subsys_initcall(n2100_pci_init);


/*
 * N2100 machine initialisation.
 */
static struct physmap_flash_data n2100_flash_data = {
	.width		= 2,
};

static struct resource n2100_flash_resource = {
	.start		= 0xf0000000,
	.end		= 0xf0ffffff,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device n2100_flash_device = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data	= &n2100_flash_data,
	},
	.num_resources	= 1,
	.resource	= &n2100_flash_resource,
};


static struct plat_serial8250_port n2100_serial_port[] = {
	{
		.mapbase	= N2100_UART,
		.membase	= (char *)N2100_UART,
		.irq		= 0,
		.flags		= UPF_SKIP_TEST | UPF_AUTO_IRQ | UPF_SHARE_IRQ,
		.iotype		= UPIO_MEM,
		.regshift	= 0,
		.uartclk	= 1843200,
	},
	{ },
};

static struct resource n2100_uart_resource = {
	.start		= N2100_UART,
	.end		= N2100_UART + 7,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device n2100_serial_device = {
	.name		= "serial8250",
	.id		= PLAT8250_DEV_PLATFORM,
	.dev		= {
		.platform_data		= n2100_serial_port,
	},
	.num_resources	= 1,
	.resource	= &n2100_uart_resource,
};

static struct f75375s_platform_data n2100_f75375s = {
	.pwm		= { 255, 255 },
	.pwm_enable = { 0, 0 },
};

static struct pca9532_platform_data n2100_leds = {
	.leds = {
	{	.name = "n2100:red:satafail0",
		.state = PCA9532_OFF,
		.type = PCA9532_TYPE_LED,
	},
	{	.name = "n2100:red:satafail1",
		.state = PCA9532_OFF,
		.type = PCA9532_TYPE_LED,
	},
	{	.name = "n2100:blue:usb",
		.state = PCA9532_OFF,
		.type = PCA9532_TYPE_LED,
	},
	{ 	.type = PCA9532_TYPE_NONE },

	{ 	.type = PCA9532_TYPE_NONE },
	{ 	.type = PCA9532_TYPE_NONE },
	{ 	.type = PCA9532_TYPE_NONE },
	{	.name = "n2100:red:usb",
		.state = PCA9532_OFF,
		.type = PCA9532_TYPE_LED,
	},

	{	.type = PCA9532_TYPE_NONE }, /* power OFF gpio */
	{	.type = PCA9532_TYPE_NONE }, /* reset gpio */
	{	.type = PCA9532_TYPE_NONE },
	{	.type = PCA9532_TYPE_NONE },

	{	.type = PCA9532_TYPE_NONE },
	{	.name = "n2100:orange:system",
		.state = PCA9532_OFF,
		.type = PCA9532_TYPE_LED,
	},
	{	.name = "n2100:red:system",
		.state = PCA9532_OFF,
		.type = PCA9532_TYPE_LED,
	},
	{	.name = "N2100 beeper"  ,
		.state =  PCA9532_OFF,
		.type = PCA9532_TYPE_N2100_BEEP,
	},
	},
	.psc = { 0, 0 },
	.pwm = { 0, 0 },
};

static struct i2c_board_info __initdata n2100_i2c_devices[] = {
	{
		I2C_BOARD_INFO("rs5c372b", 0x32),
	},
	{
		I2C_BOARD_INFO("f75375", 0x2e),
		.platform_data = &n2100_f75375s,
	},
	{
		I2C_BOARD_INFO("pca9532", 0x60),
		.platform_data = &n2100_leds,
	},
};

/*
 * Pull PCA9532 GPIO #8 low to power off the machine.
 */
static void n2100_power_off(void)
{
	local_irq_disable();

	/* Start condition, I2C address of PCA9532, write transaction.  */
	*IOP3XX_IDBR0 = 0xc0;
	*IOP3XX_ICR0 = 0xe9;
	mdelay(1);

	/* Write address 0x08.  */
	*IOP3XX_IDBR0 = 0x08;
	*IOP3XX_ICR0 = 0xe8;
	mdelay(1);

	/* Write data 0x01, stop condition.  */
	*IOP3XX_IDBR0 = 0x01;
	*IOP3XX_ICR0 = 0xea;

	while (1)
		;
}

static void n2100_restart(enum reboot_mode mode, const char *cmd)
{
	int ret;

	ret = gpio_direction_output(N2100_HARDWARE_RESET, 0);
	if (ret) {
		pr_crit("could not drive reset GPIO low\n");
		return;
	}
	/* Wait for reset to happen */
	while (1)
		;
}


static struct timer_list power_button_poll_timer;

static void power_button_poll(struct timer_list *unused)
{
	if (gpio_get_value(N2100_POWER_BUTTON) == 0) {
		ctrl_alt_del();
		return;
	}

	power_button_poll_timer.expires = jiffies + (HZ / 10);
	add_timer(&power_button_poll_timer);
}

static int __init n2100_request_gpios(void)
{
	int ret;

	if (!machine_is_n2100())
		return 0;

	ret = gpio_request(N2100_HARDWARE_RESET, "reset");
	if (ret)
		pr_err("could not request reset GPIO\n");

	ret = gpio_request(N2100_POWER_BUTTON, "power");
	if (ret)
		pr_err("could not request power GPIO\n");
	else {
		ret = gpio_direction_input(N2100_POWER_BUTTON);
		if (ret)
			pr_err("could not set power GPIO as input\n");
	}
	/* Set up power button poll timer */
	timer_setup(&power_button_poll_timer, power_button_poll, 0);
	power_button_poll_timer.expires = jiffies + (HZ / 10);
	add_timer(&power_button_poll_timer);
	return 0;
}
device_initcall(n2100_request_gpios);

static void __init n2100_init_machine(void)
{
	register_iop32x_gpio();
	platform_device_register(&iop3xx_i2c0_device);
	platform_device_register(&n2100_flash_device);
	platform_device_register(&n2100_serial_device);
	platform_device_register(&iop3xx_dma_0_channel);
	platform_device_register(&iop3xx_dma_1_channel);

	i2c_register_board_info(0, n2100_i2c_devices,
		ARRAY_SIZE(n2100_i2c_devices));

	pm_power_off = n2100_power_off;
}

MACHINE_START(N2100, "Thecus N2100")
	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
	.atag_offset	= 0x100,
	.map_io		= n2100_map_io,
	.init_irq	= iop32x_init_irq,
	.init_time	= n2100_timer_init,
	.init_machine	= n2100_init_machine,
	.restart	= n2100_restart,
MACHINE_END
Commit	Line	Data
e60d07b6 LB	1	/*
	2	* arch/arm/mach-iop32x/n2100.c
	3	*
	4	* Board support code for the Thecus N2100 platform.
	5	*
	6	* Author: Rory Bolt <rorybolt@pacbell.net>
	7	* Copyright (C) 2002 Rory Bolt
	8	* Copyright 2003 (c) MontaVista, Software, Inc.
	9	* Copyright (C) 2004 Intel Corp.
	10	*
	11	* This program is free software; you can redistribute it and/or modify it
	12	* under the terms of the GNU General Public License as published by the
	13	* Free Software Foundation; either version 2 of the License, or (at your
	14	* option) any later version.
	15	*/
	16
	17	#include <linux/mm.h>
	18	#include <linux/init.h>
9aa69338	19	#include <linux/f75375s.h>
30be0486	20	#include <linux/leds-pca9532.h>
e60d07b6 LB	21	#include <linux/delay.h>
	22	#include <linux/kernel.h>
	23	#include <linux/pci.h>
	24	#include <linux/pm.h>
	25	#include <linux/string.h>
e60d07b6 LB	26	#include <linux/serial_core.h>
	27	#include <linux/serial_8250.h>
	28	#include <linux/mtd/physmap.h>
c00593f6	29	#include <linux/i2c.h>
e60d07b6 LB	30	#include <linux/platform_device.h>
e60d07b6 LB	31	#include <linux/reboot.h>
fced80c7	32	#include <linux/io.h>
7111f878	33	#include <linux/gpio.h>
a09e64fb	34	#include <mach/hardware.h>
e60d07b6 LB	35	#include <asm/irq.h>
	36	#include <asm/mach/arch.h>
	37	#include <asm/mach/map.h>
	38	#include <asm/mach/pci.h>
	39	#include <asm/mach/time.h>
	40	#include <asm/mach-types.h>
	41	#include <asm/page.h>
	42	#include <asm/pgtable.h>
a09e64fb	43	#include <mach/time.h>
7b85b867	44	#include "gpio-iop32x.h"
e60d07b6 LB	45
	46	/*
	47	* N2100 timer tick configuration.
	48	*/
	49	static void __init n2100_timer_init(void)
	50	{
	51	/* 33.000 MHz crystal. */
3668b45d	52	iop_init_time(198000000);
e60d07b6 LB	53	}
e60d07b6 LB	54
e60d07b6 LB	55
	56	/*
	57	* N2100 I/O.
	58	*/
	59	static struct map_desc n2100_io_desc[] __initdata = {
	60	{ /* on-board devices */
	61	.virtual = N2100_UART,
	62	.pfn = __phys_to_pfn(N2100_UART),
	63	.length = 0x00100000,
	64	.type = MT_DEVICE
	65	},
	66	};
	67
	68	void __init n2100_map_io(void)
	69	{
	70	iop3xx_map_io();
	71	iotable_init(n2100_io_desc, ARRAY_SIZE(n2100_io_desc));
	72	}
	73
	74
	75	/*
	76	* N2100 PCI.
	77	*/
db409092	78	static int n2100_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
e60d07b6 LB	79	{
	80	int irq;
	81
	82	if (PCI_SLOT(dev->devfn) == 1) {
	83	/* RTL8110SB #1 */
	84	irq = IRQ_IOP32X_XINT0;
	85	} else if (PCI_SLOT(dev->devfn) == 2) {
	86	/* RTL8110SB #2 */
811c9a4b	87	irq = IRQ_IOP32X_XINT3;
e60d07b6 LB	88	} else if (PCI_SLOT(dev->devfn) == 3) {
	89	/* Sil3512 */
	90	irq = IRQ_IOP32X_XINT2;
	91	} else if (PCI_SLOT(dev->devfn) == 4 && pin == 1) {
	92	/* VT6212 INTA */
	93	irq = IRQ_IOP32X_XINT1;
	94	} else if (PCI_SLOT(dev->devfn) == 4 && pin == 2) {
	95	/* VT6212 INTB */
	96	irq = IRQ_IOP32X_XINT0;
	97	} else if (PCI_SLOT(dev->devfn) == 4 && pin == 3) {
	98	/* VT6212 INTC */
	99	irq = IRQ_IOP32X_XINT2;
	100	} else if (PCI_SLOT(dev->devfn) == 5) {
	101	/* Mini-PCI slot */
	102	irq = IRQ_IOP32X_XINT3;
	103	} else {
	104	printk(KERN_ERR "n2100_pci_map_irq() called for unknown "
	105	"device PCI:%d:%d:%d\n", dev->bus->number,
	106	PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
	107	irq = -1;
	108	}
	109
	110	return irq;
	111	}
	112
	113	static struct hw_pci n2100_pci __initdata = {
e60d07b6	114	.nr_controllers = 1,
c23bfc38	115	.ops = &iop3xx_ops,
e60d07b6 LB	116	.setup = iop3xx_pci_setup,
e60d07b6 LB	117	.preinit = iop3xx_pci_preinit,
e60d07b6 LB	118	.map_irq = n2100_pci_map_irq,
	119	};
	120
66822b2e LB	121	/*
	122	* Both r8169 chips on the n2100 exhibit PCI parity problems. Set
	123	* the ->broken_parity_status flag for both ports so that the r8169
	124	* driver knows it should ignore error interrupts.
	125	*/
	126	static void n2100_fixup_r8169(struct pci_dev *dev)
	127	{
	128	if (dev->bus->number == 0 &&
	129	(dev->devfn == PCI_DEVFN(1, 0) \|\|
	130	dev->devfn == PCI_DEVFN(2, 0)))
	131	dev->broken_parity_status = 1;
	132	}
	133	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_REALTEK, PCI_ANY_ID, n2100_fixup_r8169);
	134
e60d07b6 LB	135	static int __init n2100_pci_init(void)
	136	{
	137	if (machine_is_n2100())
	138	pci_common_init(&n2100_pci);
	139
	140	return 0;
	141	}
	142
	143	subsys_initcall(n2100_pci_init);
	144
	145
	146	/*
	147	* N2100 machine initialisation.
	148	*/
	149	static struct physmap_flash_data n2100_flash_data = {
	150	.width = 2,
	151	};
	152
	153	static struct resource n2100_flash_resource = {
	154	.start = 0xf0000000,
	155	.end = 0xf0ffffff,
	156	.flags = IORESOURCE_MEM,
	157	};
	158
	159	static struct platform_device n2100_flash_device = {
	160	.name = "physmap-flash",
	161	.id = 0,
	162	.dev = {
	163	.platform_data = &n2100_flash_data,
	164	},
	165	.num_resources = 1,
	166	.resource = &n2100_flash_resource,
	167	};
	168
	169
	170	static struct plat_serial8250_port n2100_serial_port[] = {
	171	{
	172	.mapbase = N2100_UART,
	173	.membase = (char *)N2100_UART,
	174	.irq = 0,
cc761bed	175	.flags = UPF_SKIP_TEST \| UPF_AUTO_IRQ \| UPF_SHARE_IRQ,
e60d07b6 LB	176	.iotype = UPIO_MEM,
	177	.regshift = 0,
	178	.uartclk = 1843200,
	179	},
	180	{ },
	181	};
	182
	183	static struct resource n2100_uart_resource = {
	184	.start = N2100_UART,
	185	.end = N2100_UART + 7,
	186	.flags = IORESOURCE_MEM,
	187	};
	188
	189	static struct platform_device n2100_serial_device = {
	190	.name = "serial8250",
	191	.id = PLAT8250_DEV_PLATFORM,
	192	.dev = {
	193	.platform_data = n2100_serial_port,
	194	},
	195	.num_resources = 1,
	196	.resource = &n2100_uart_resource,
	197	};
	198
9aa69338 RV	199	static struct f75375s_platform_data n2100_f75375s = {
	200	.pwm = { 255, 255 },
	201	.pwm_enable = { 0, 0 },
	202	};
	203
30be0486 RV	204	static struct pca9532_platform_data n2100_leds = {
	205	.leds = {
	206	{ .name = "n2100:red:satafail0",
	207	.state = PCA9532_OFF,
	208	.type = PCA9532_TYPE_LED,
	209	},
	210	{ .name = "n2100:red:satafail1",
	211	.state = PCA9532_OFF,
	212	.type = PCA9532_TYPE_LED,
	213	},
	214	{ .name = "n2100:blue:usb",
	215	.state = PCA9532_OFF,
	216	.type = PCA9532_TYPE_LED,
	217	},
	218	{ .type = PCA9532_TYPE_NONE },
	219
	220	{ .type = PCA9532_TYPE_NONE },
	221	{ .type = PCA9532_TYPE_NONE },
	222	{ .type = PCA9532_TYPE_NONE },
	223	{ .name = "n2100:red:usb",
	224	.state = PCA9532_OFF,
	225	.type = PCA9532_TYPE_LED,
	226	},
	227
	228	{ .type = PCA9532_TYPE_NONE }, /* power OFF gpio */
	229	{ .type = PCA9532_TYPE_NONE }, /* reset gpio */
	230	{ .type = PCA9532_TYPE_NONE },
	231	{ .type = PCA9532_TYPE_NONE },
	232
	233	{ .type = PCA9532_TYPE_NONE },
	234	{ .name = "n2100:orange:system",
	235	.state = PCA9532_OFF,
	236	.type = PCA9532_TYPE_LED,
	237	},
	238	{ .name = "n2100:red:system",
	239	.state = PCA9532_OFF,
	240	.type = PCA9532_TYPE_LED,
	241	},
	242	{ .name = "N2100 beeper" ,
	243	.state = PCA9532_OFF,
	244	.type = PCA9532_TYPE_N2100_BEEP,
	245	},
	246	},
	247	.psc = { 0, 0 },
	248	.pwm = { 0, 0 },
	249	};
	250
c00593f6 MM	251	static struct i2c_board_info __initdata n2100_i2c_devices[] = {
c00593f6 MM	252	{
3760f736	253	I2C_BOARD_INFO("rs5c372b", 0x32),
c00593f6	254	},
9aa69338 RV	255	{
9aa69338 RV	256	I2C_BOARD_INFO("f75375", 0x2e),
9aa69338 RV	257	.platform_data = &n2100_f75375s,
9aa69338 RV	258	},
30be0486 RV	259	{
	260	I2C_BOARD_INFO("pca9532", 0x60),
	261	.platform_data = &n2100_leds,
	262	},
c00593f6	263	};
e60d07b6 LB	264
	265	/*
	266	* Pull PCA9532 GPIO #8 low to power off the machine.
	267	*/
	268	static void n2100_power_off(void)
	269	{
	270	local_irq_disable();
	271
	272	/* Start condition, I2C address of PCA9532, write transaction. */
	273	*IOP3XX_IDBR0 = 0xc0;
	274	*IOP3XX_ICR0 = 0xe9;
	275	mdelay(1);
	276
	277	/* Write address 0x08. */
	278	*IOP3XX_IDBR0 = 0x08;
	279	*IOP3XX_ICR0 = 0xe8;
	280	mdelay(1);
	281
	282	/* Write data 0x01, stop condition. */
	283	*IOP3XX_IDBR0 = 0x01;
	284	*IOP3XX_ICR0 = 0xea;
	285
	286	while (1)
	287	;
	288	}
	289
7b6d864b	290	static void n2100_restart(enum reboot_mode mode, const char *cmd)
bec92b1e	291	{
7111f878 LW	292	int ret;
	293
	294	ret = gpio_direction_output(N2100_HARDWARE_RESET, 0);
	295	if (ret) {
	296	pr_crit("could not drive reset GPIO low\n");
	297	return;
	298	}
	299	/* Wait for reset to happen */
bec92b1e RK	300	while (1)
	301	;
	302	}
	303
e60d07b6 LB	304
	305	static struct timer_list power_button_poll_timer;
	306
e99e88a9	307	static void power_button_poll(struct timer_list *unused)
e60d07b6	308	{
afc3b79f	309	if (gpio_get_value(N2100_POWER_BUTTON) == 0) {
e60d07b6 LB	310	ctrl_alt_del();
	311	return;
	312	}
	313
	314	power_button_poll_timer.expires = jiffies + (HZ / 10);
	315	add_timer(&power_button_poll_timer);
	316	}
	317
7111f878 LW	318	static int __init n2100_request_gpios(void)
	319	{
	320	int ret;
	321
	322	if (!machine_is_n2100())
	323	return 0;
	324
	325	ret = gpio_request(N2100_HARDWARE_RESET, "reset");
	326	if (ret)
	327	pr_err("could not request reset GPIO\n");
afc3b79f LW	328
	329	ret = gpio_request(N2100_POWER_BUTTON, "power");
	330	if (ret)
	331	pr_err("could not request power GPIO\n");
	332	else {
	333	ret = gpio_direction_input(N2100_POWER_BUTTON);
	334	if (ret)
	335	pr_err("could not set power GPIO as input\n");
	336	}
	337	/* Set up power button poll timer */
e99e88a9	338	timer_setup(&power_button_poll_timer, power_button_poll, 0);
afc3b79f LW	339	power_button_poll_timer.expires = jiffies + (HZ / 10);
afc3b79f LW	340	add_timer(&power_button_poll_timer);
7111f878 LW	341	return 0;
	342	}
	343	device_initcall(n2100_request_gpios);
e60d07b6 LB	344
	345	static void __init n2100_init_machine(void)
	346	{
7b85b867	347	register_iop32x_gpio();
e60d07b6 LB	348	platform_device_register(&iop3xx_i2c0_device);
	349	platform_device_register(&n2100_flash_device);
	350	platform_device_register(&n2100_serial_device);
2492c845 DW	351	platform_device_register(&iop3xx_dma_0_channel);
2492c845 DW	352	platform_device_register(&iop3xx_dma_1_channel);
e60d07b6	353
c00593f6 MM	354	i2c_register_board_info(0, n2100_i2c_devices,
	355	ARRAY_SIZE(n2100_i2c_devices));
	356
e60d07b6	357	pm_power_off = n2100_power_off;
e60d07b6 LB	358	}
	359
	360	MACHINE_START(N2100, "Thecus N2100")
	361	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
1896746d	362	.atag_offset = 0x100,
e60d07b6 LB	363	.map_io = n2100_map_io,
e60d07b6 LB	364	.init_irq = iop32x_init_irq,
6bb27d73	365	.init_time = n2100_timer_init,
e60d07b6	366	.init_machine = n2100_init_machine,
bec92b1e	367	.restart = n2100_restart,
e60d07b6	368	MACHINE_END