[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mach-omap2 / board-apollon.c

/*
 * linux/arch/arm/mach-omap2/board-apollon.c
 *
 * Copyright (C) 2005,2006 Samsung Electronics
 * Author: Kyungmin Park <kyungmin.park@samsung.com>
 *
 * Modified from mach-omap/omap2/board-h4.c
 *
 * Code for apollon OMAP2 board. Should work on many OMAP2 systems where
 * the bootloader passes the board-specific data to the kernel.
 * Do not put any board specific code to this file; create a new machine
 * type if you need custom low-level initializations.
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/onenand.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/leds.h>

#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>

#include <asm/arch/gpio.h>
#include <asm/arch/led.h>
#include <asm/arch/mux.h>
#include <asm/arch/usb.h>
#include <asm/arch/board.h>
#include <asm/arch/common.h>
#include <asm/arch/gpmc.h>
#include "prcm-regs.h"

/* LED & Switch macros */
#define LED0_GPIO13		13
#define LED1_GPIO14		14
#define LED2_GPIO15		15
#define SW_ENTER_GPIO16		16
#define SW_UP_GPIO17		17
#define SW_DOWN_GPIO58		58

#define APOLLON_FLASH_CS	0
#define APOLLON_ETH_CS		1

static struct mtd_partition apollon_partitions[] = {
	{
		.name		= "X-Loader + U-Boot",
		.offset		= 0,
		.size		= SZ_128K,
		.mask_flags	= MTD_WRITEABLE,
	},
	{
		.name		= "params",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_128K,
	},
	{
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_2M,
	},
	{
		.name		= "rootfs",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_16M,
	},
	{
		.name		= "filesystem00",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_32M,
	},
	{
		.name		= "filesystem01",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
	},
};

static struct flash_platform_data apollon_flash_data = {
	.parts		= apollon_partitions,
	.nr_parts	= ARRAY_SIZE(apollon_partitions),
};

static struct resource apollon_flash_resource[] = {
	[0] = {
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device apollon_onenand_device = {
	.name		= "onenand",
	.id		= -1,
	.dev		= {
		.platform_data	= &apollon_flash_data,
	},
	.num_resources	= ARRAY_SIZE(apollon_flash_resource),
	.resource	= apollon_flash_resource,
};

static void __init apollon_flash_init(void)
{
	unsigned long base;

	if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
		printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
		return;
	}
	apollon_flash_resource[0].start = base;
	apollon_flash_resource[0].end   = base + SZ_128K - 1;
}

static struct resource apollon_smc91x_resources[] = {
	[0] = {
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
		.end	= OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	},
};

static struct platform_device apollon_smc91x_device = {
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(apollon_smc91x_resources),
	.resource	= apollon_smc91x_resources,
};

static struct platform_device apollon_lcd_device = {
	.name		= "apollon_lcd",
	.id		= -1,
};

static struct omap_led_config apollon_led_config[] = {
	{
		.cdev	= {
			.name	= "apollon:led0",
		},
		.gpio	= LED0_GPIO13,
	},
	{
		.cdev	= {
			.name	= "apollon:led1",
		},
		.gpio	= LED1_GPIO14,
	},
	{
		.cdev	= {
			.name	= "apollon:led2",
		},
		.gpio	= LED2_GPIO15,
	},
};

static struct omap_led_platform_data apollon_led_data = {
	.nr_leds	= ARRAY_SIZE(apollon_led_config),
	.leds		= apollon_led_config,
};

static struct platform_device apollon_led_device = {
	.name		= "omap-led",
	.id		= -1,
	.dev		= {
		.platform_data	= &apollon_led_data,
	},
};

static struct platform_device *apollon_devices[] __initdata = {
	&apollon_onenand_device,
	&apollon_smc91x_device,
	&apollon_lcd_device,
	&apollon_led_device,
};

static inline void __init apollon_init_smc91x(void)
{
	unsigned long base;

	/* Make sure CS1 timings are correct */
	GPMC_CONFIG1_1 = 0x00011203;
	GPMC_CONFIG2_1 = 0x001f1f01;
	GPMC_CONFIG3_1 = 0x00080803;
	GPMC_CONFIG4_1 = 0x1c091c09;
	GPMC_CONFIG5_1 = 0x041f1f1f;
	GPMC_CONFIG6_1 = 0x000004c4;

	if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
		printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
		return;
	}
	apollon_smc91x_resources[0].start = base + 0x300;
	apollon_smc91x_resources[0].end   = base + 0x30f;
	udelay(100);

	omap_cfg_reg(W4__24XX_GPIO74);
	if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
		printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
			APOLLON_ETHR_GPIO_IRQ);
		gpmc_cs_free(APOLLON_ETH_CS);
		return;
	}
	omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
}

static void __init omap_apollon_init_irq(void)
{
	omap2_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
	apollon_init_smc91x();
}

static struct omap_uart_config apollon_uart_config __initdata = {
	.enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
};

static struct omap_mmc_config apollon_mmc_config __initdata = {
	.mmc [0] = {
		.enabled 	= 1,
		.wire4		= 1,
		.wp_pin		= -1,
		.power_pin	= -1,
		.switch_pin	= -1,
	},
};

static struct omap_usb_config apollon_usb_config __initdata = {
	.register_dev	= 1,
	.hmc_mode	= 0x14,	/* 0:dev 1:host1 2:disable */

	.pins[0]	= 6,
};

static struct omap_lcd_config apollon_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel apollon_config[] = {
	{ OMAP_TAG_UART,	&apollon_uart_config },
	{ OMAP_TAG_MMC,		&apollon_mmc_config },
	{ OMAP_TAG_USB,		&apollon_usb_config },
	{ OMAP_TAG_LCD,		&apollon_lcd_config },
};

static void __init apollon_led_init(void)
{
	/* LED0 - AA10 */
	omap_cfg_reg(AA10_242X_GPIO13);
	omap_request_gpio(LED0_GPIO13);
	omap_set_gpio_direction(LED0_GPIO13, 0);
	omap_set_gpio_dataout(LED0_GPIO13, 0);
	/* LED1  - AA6 */
	omap_cfg_reg(AA6_242X_GPIO14);
	omap_request_gpio(LED1_GPIO14);
	omap_set_gpio_direction(LED1_GPIO14, 0);
	omap_set_gpio_dataout(LED1_GPIO14, 0);
	/* LED2  - AA4 */
	omap_cfg_reg(AA4_242X_GPIO15);
	omap_request_gpio(LED2_GPIO15);
	omap_set_gpio_direction(LED2_GPIO15, 0);
	omap_set_gpio_dataout(LED2_GPIO15, 0);
}

static irqreturn_t apollon_sw_interrupt(int irq, void *ignored)
{
	static unsigned int led0, led1, led2;

	if (irq == OMAP_GPIO_IRQ(SW_ENTER_GPIO16))
		omap_set_gpio_dataout(LED0_GPIO13, led0 ^= 1);
	else if (irq == OMAP_GPIO_IRQ(SW_UP_GPIO17))
		omap_set_gpio_dataout(LED1_GPIO14, led1 ^= 1);
	else if (irq == OMAP_GPIO_IRQ(SW_DOWN_GPIO58))
		omap_set_gpio_dataout(LED2_GPIO15, led2 ^= 1);

	return IRQ_HANDLED;
}

static void __init apollon_sw_init(void)
{
	/* Enter SW - Y11 */
	omap_cfg_reg(Y11_242X_GPIO16);
	omap_request_gpio(SW_ENTER_GPIO16);
	omap_set_gpio_direction(SW_ENTER_GPIO16, 1);
	/* Up SW - AA12 */
	omap_cfg_reg(AA12_242X_GPIO17);
	omap_request_gpio(SW_UP_GPIO17);
	omap_set_gpio_direction(SW_UP_GPIO17, 1);
	/* Down SW - AA8 */
	omap_cfg_reg(AA8_242X_GPIO58);
	omap_request_gpio(SW_DOWN_GPIO58);
	omap_set_gpio_direction(SW_DOWN_GPIO58, 1);

	set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQT_RISING);
	if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt,
				IRQF_SHARED, "enter sw",
				&apollon_sw_interrupt))
		return;
	set_irq_type(OMAP_GPIO_IRQ(SW_UP_GPIO17), IRQT_RISING);
	if (request_irq(OMAP_GPIO_IRQ(SW_UP_GPIO17), &apollon_sw_interrupt,
				IRQF_SHARED, "up sw",
				&apollon_sw_interrupt))
		return;
	set_irq_type(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), IRQT_RISING);
	if (request_irq(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), &apollon_sw_interrupt,
				IRQF_SHARED, "down sw",
				&apollon_sw_interrupt))
		return;
}

static void __init apollon_usb_init(void)
{
	/* USB device */
	/* DEVICE_SUSPEND */
	omap_cfg_reg(P21_242X_GPIO12);
	omap_request_gpio(12);
	omap_set_gpio_direction(12, 0);		/* OUT */
	omap_set_gpio_dataout(12, 0);
}

static void __init omap_apollon_init(void)
{
	apollon_led_init();
	apollon_sw_init();
	apollon_flash_init();
	apollon_usb_init();

	/* REVISIT: where's the correct place */
	omap_cfg_reg(W19_24XX_SYS_NIRQ);

	/* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
	CONTROL_DEVCONF |= (1 << 24);

	/*
 	 * Make sure the serial ports are muxed on at this point.
	 * You have to mux them off in device drivers later on
	 * if not needed.
	 */
	platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
	omap_board_config = apollon_config;
	omap_board_config_size = ARRAY_SIZE(apollon_config);
	omap_serial_init();
}

static void __init omap_apollon_map_io(void)
{
	omap2_map_common_io();
}

MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= omap_apollon_map_io,
	.init_irq	= omap_apollon_init_irq,
	.init_machine	= omap_apollon_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
9b6553cd	1	/*
f30c2269	2	* linux/arch/arm/mach-omap2/board-apollon.c
9b6553cd TL	3	*
	4	* Copyright (C) 2005,2006 Samsung Electronics
	5	* Author: Kyungmin Park <kyungmin.park@samsung.com>
	6	*
	7	* Modified from mach-omap/omap2/board-h4.c
	8	*
	9	* Code for apollon OMAP2 board. Should work on many OMAP2 systems where
	10	* the bootloader passes the board-specific data to the kernel.
	11	* Do not put any board specific code to this file; create a new machine
	12	* type if you need custom low-level initializations.
	13	*
	14	* This program is free software; you can redistribute it and/or modify
	15	* it under the terms of the GNU General Public License version 2 as
	16	* published by the Free Software Foundation.
	17	*/
	18
	19	#include <linux/kernel.h>
	20	#include <linux/init.h>
	21	#include <linux/platform_device.h>
	22	#include <linux/mtd/mtd.h>
	23	#include <linux/mtd/partitions.h>
	24	#include <linux/mtd/onenand.h>
463cab36	25	#include <linux/irq.h>
9b6553cd TL	26	#include <linux/interrupt.h>
9b6553cd TL	27	#include <linux/delay.h>
f0248408	28	#include <linux/leds.h>
9b6553cd TL	29
	30	#include <asm/hardware.h>
	31	#include <asm/mach-types.h>
	32	#include <asm/mach/arch.h>
	33	#include <asm/mach/flash.h>
	34
	35	#include <asm/arch/gpio.h>
f0248408	36	#include <asm/arch/led.h>
9b6553cd TL	37	#include <asm/arch/mux.h>
	38	#include <asm/arch/usb.h>
	39	#include <asm/arch/board.h>
	40	#include <asm/arch/common.h>
f0248408	41	#include <asm/arch/gpmc.h>
9b6553cd TL	42	#include "prcm-regs.h"
	43
	44	/* LED & Switch macros */
	45	#define LED0_GPIO13 13
	46	#define LED1_GPIO14 14
	47	#define LED2_GPIO15 15
	48	#define SW_ENTER_GPIO16 16
	49	#define SW_UP_GPIO17 17
	50	#define SW_DOWN_GPIO58 58
	51
f0248408 KP	52	#define APOLLON_FLASH_CS 0
	53	#define APOLLON_ETH_CS 1
	54
9b6553cd TL	55	static struct mtd_partition apollon_partitions[] = {
	56	{
	57	.name = "X-Loader + U-Boot",
	58	.offset = 0,
	59	.size = SZ_128K,
	60	.mask_flags = MTD_WRITEABLE,
	61	},
	62	{
	63	.name = "params",
	64	.offset = MTDPART_OFS_APPEND,
	65	.size = SZ_128K,
	66	},
	67	{
	68	.name = "kernel",
	69	.offset = MTDPART_OFS_APPEND,
	70	.size = SZ_2M,
	71	},
	72	{
	73	.name = "rootfs",
	74	.offset = MTDPART_OFS_APPEND,
	75	.size = SZ_16M,
	76	},
	77	{
	78	.name = "filesystem00",
	79	.offset = MTDPART_OFS_APPEND,
	80	.size = SZ_32M,
	81	},
	82	{
	83	.name = "filesystem01",
	84	.offset = MTDPART_OFS_APPEND,
	85	.size = MTDPART_SIZ_FULL,
	86	},
	87	};
	88
	89	static struct flash_platform_data apollon_flash_data = {
	90	.parts = apollon_partitions,
	91	.nr_parts = ARRAY_SIZE(apollon_partitions),
	92	};
	93
f0248408 KP	94	static struct resource apollon_flash_resource[] = {
	95	[0] = {
	96	.flags = IORESOURCE_MEM,
	97	},
9b6553cd TL	98	};
	99
	100	static struct platform_device apollon_onenand_device = {
	101	.name = "onenand",
	102	.id = -1,
	103	.dev = {
	104	.platform_data = &apollon_flash_data,
	105	},
f0248408 KP	106	.num_resources = ARRAY_SIZE(apollon_flash_resource),
f0248408 KP	107	.resource = apollon_flash_resource,
9b6553cd TL	108	};
9b6553cd TL	109
f0248408 KP	110	static void __init apollon_flash_init(void)
	111	{
	112	unsigned long base;
	113
	114	if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
	115	printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
	116	return;
	117	}
	118	apollon_flash_resource[0].start = base;
	119	apollon_flash_resource[0].end = base + SZ_128K - 1;
	120	}
	121
9b6553cd TL	122	static struct resource apollon_smc91x_resources[] = {
9b6553cd TL	123	[0] = {
9b6553cd TL	124	.flags = IORESOURCE_MEM,
	125	},
	126	[1] = {
	127	.start = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
	128	.end = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
e7b3dc7e	129	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
9b6553cd TL	130	},
	131	};
	132
	133	static struct platform_device apollon_smc91x_device = {
	134	.name = "smc91x",
	135	.id = -1,
	136	.num_resources = ARRAY_SIZE(apollon_smc91x_resources),
	137	.resource = apollon_smc91x_resources,
	138	};
	139
	140	static struct platform_device apollon_lcd_device = {
	141	.name = "apollon_lcd",
	142	.id = -1,
	143	};
	144
f0248408 KP	145	static struct omap_led_config apollon_led_config[] = {
	146	{
	147	.cdev = {
	148	.name = "apollon:led0",
	149	},
	150	.gpio = LED0_GPIO13,
	151	},
	152	{
	153	.cdev = {
	154	.name = "apollon:led1",
	155	},
	156	.gpio = LED1_GPIO14,
	157	},
	158	{
	159	.cdev = {
	160	.name = "apollon:led2",
	161	},
	162	.gpio = LED2_GPIO15,
	163	},
	164	};
	165
	166	static struct omap_led_platform_data apollon_led_data = {
	167	.nr_leds = ARRAY_SIZE(apollon_led_config),
	168	.leds = apollon_led_config,
	169	};
	170
	171	static struct platform_device apollon_led_device = {
	172	.name = "omap-led",
	173	.id = -1,
	174	.dev = {
	175	.platform_data = &apollon_led_data,
	176	},
	177	};
	178
9b6553cd TL	179	static struct platform_device *apollon_devices[] __initdata = {
	180	&apollon_onenand_device,
	181	&apollon_smc91x_device,
	182	&apollon_lcd_device,
f0248408	183	&apollon_led_device,
9b6553cd TL	184	};
	185
	186	static inline void __init apollon_init_smc91x(void)
	187	{
f0248408 KP	188	unsigned long base;
f0248408 KP	189
9b6553cd TL	190	/* Make sure CS1 timings are correct */
	191	GPMC_CONFIG1_1 = 0x00011203;
	192	GPMC_CONFIG2_1 = 0x001f1f01;
	193	GPMC_CONFIG3_1 = 0x00080803;
	194	GPMC_CONFIG4_1 = 0x1c091c09;
	195	GPMC_CONFIG5_1 = 0x041f1f1f;
	196	GPMC_CONFIG6_1 = 0x000004c4;
f0248408 KP	197
	198	if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
	199	printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
	200	return;
	201	}
	202	apollon_smc91x_resources[0].start = base + 0x300;
	203	apollon_smc91x_resources[0].end = base + 0x30f;
9b6553cd TL	204	udelay(100);
	205
	206	omap_cfg_reg(W4__24XX_GPIO74);
	207	if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
	208	printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
	209	APOLLON_ETHR_GPIO_IRQ);
f0248408	210	gpmc_cs_free(APOLLON_ETH_CS);
9b6553cd TL	211	return;
	212	}
	213	omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
	214	}
	215
	216	static void __init omap_apollon_init_irq(void)
	217	{
	218	omap2_init_common_hw();
	219	omap_init_irq();
	220	omap_gpio_init();
	221	apollon_init_smc91x();
	222	}
	223
	224	static struct omap_uart_config apollon_uart_config __initdata = {
	225	.enabled_uarts = (1 << 0) \| (0 << 1) \| (0 << 2),
	226	};
	227
	228	static struct omap_mmc_config apollon_mmc_config __initdata = {
	229	.mmc [0] = {
abc45e1d KP	230	.enabled = 1,
abc45e1d KP	231	.wire4 = 1,
9b6553cd TL	232	.wp_pin = -1,
	233	.power_pin = -1,
	234	.switch_pin = -1,
	235	},
	236	};
	237
f0248408 KP	238	static struct omap_usb_config apollon_usb_config __initdata = {
	239	.register_dev = 1,
	240	.hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */
	241
	242	.pins[0] = 6,
	243	};
	244
9b6553cd TL	245	static struct omap_lcd_config apollon_lcd_config __initdata = {
	246	.ctrl_name = "internal",
	247	};
	248
	249	static struct omap_board_config_kernel apollon_config[] = {
	250	{ OMAP_TAG_UART, &apollon_uart_config },
	251	{ OMAP_TAG_MMC, &apollon_mmc_config },
f0248408	252	{ OMAP_TAG_USB, &apollon_usb_config },
9b6553cd TL	253	{ OMAP_TAG_LCD, &apollon_lcd_config },
	254	};
	255
	256	static void __init apollon_led_init(void)
	257	{
	258	/* LED0 - AA10 */
	259	omap_cfg_reg(AA10_242X_GPIO13);
	260	omap_request_gpio(LED0_GPIO13);
	261	omap_set_gpio_direction(LED0_GPIO13, 0);
	262	omap_set_gpio_dataout(LED0_GPIO13, 0);
	263	/* LED1 - AA6 */
	264	omap_cfg_reg(AA6_242X_GPIO14);
	265	omap_request_gpio(LED1_GPIO14);
	266	omap_set_gpio_direction(LED1_GPIO14, 0);
	267	omap_set_gpio_dataout(LED1_GPIO14, 0);
	268	/* LED2 - AA4 */
	269	omap_cfg_reg(AA4_242X_GPIO15);
	270	omap_request_gpio(LED2_GPIO15);
	271	omap_set_gpio_direction(LED2_GPIO15, 0);
	272	omap_set_gpio_dataout(LED2_GPIO15, 0);
	273	}
	274
0cd61b68	275	static irqreturn_t apollon_sw_interrupt(int irq, void *ignored)
9b6553cd TL	276	{
	277	static unsigned int led0, led1, led2;
	278
	279	if (irq == OMAP_GPIO_IRQ(SW_ENTER_GPIO16))
	280	omap_set_gpio_dataout(LED0_GPIO13, led0 ^= 1);
	281	else if (irq == OMAP_GPIO_IRQ(SW_UP_GPIO17))
	282	omap_set_gpio_dataout(LED1_GPIO14, led1 ^= 1);
	283	else if (irq == OMAP_GPIO_IRQ(SW_DOWN_GPIO58))
	284	omap_set_gpio_dataout(LED2_GPIO15, led2 ^= 1);
	285
	286	return IRQ_HANDLED;
	287	}
	288
	289	static void __init apollon_sw_init(void)
	290	{
	291	/* Enter SW - Y11 */
	292	omap_cfg_reg(Y11_242X_GPIO16);
	293	omap_request_gpio(SW_ENTER_GPIO16);
	294	omap_set_gpio_direction(SW_ENTER_GPIO16, 1);
	295	/* Up SW - AA12 */
	296	omap_cfg_reg(AA12_242X_GPIO17);
	297	omap_request_gpio(SW_UP_GPIO17);
	298	omap_set_gpio_direction(SW_UP_GPIO17, 1);
	299	/* Down SW - AA8 */
	300	omap_cfg_reg(AA8_242X_GPIO58);
	301	omap_request_gpio(SW_DOWN_GPIO58);
	302	omap_set_gpio_direction(SW_DOWN_GPIO58, 1);
	303
	304	set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQT_RISING);
	305	if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt,
52e405ea	306	IRQF_SHARED, "enter sw",
9b6553cd TL	307	&apollon_sw_interrupt))
	308	return;
	309	set_irq_type(OMAP_GPIO_IRQ(SW_UP_GPIO17), IRQT_RISING);
	310	if (request_irq(OMAP_GPIO_IRQ(SW_UP_GPIO17), &apollon_sw_interrupt,
52e405ea	311	IRQF_SHARED, "up sw",
9b6553cd TL	312	&apollon_sw_interrupt))
	313	return;
	314	set_irq_type(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), IRQT_RISING);
	315	if (request_irq(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), &apollon_sw_interrupt,
52e405ea	316	IRQF_SHARED, "down sw",
9b6553cd TL	317	&apollon_sw_interrupt))
	318	return;
	319	}
	320
f0248408 KP	321	static void __init apollon_usb_init(void)
	322	{
	323	/* USB device */
	324	/* DEVICE_SUSPEND */
	325	omap_cfg_reg(P21_242X_GPIO12);
	326	omap_request_gpio(12);
	327	omap_set_gpio_direction(12, 0); /* OUT */
	328	omap_set_gpio_dataout(12, 0);
	329	}
	330
9b6553cd TL	331	static void __init omap_apollon_init(void)
	332	{
	333	apollon_led_init();
	334	apollon_sw_init();
f0248408 KP	335	apollon_flash_init();
f0248408 KP	336	apollon_usb_init();
9b6553cd TL	337
	338	/* REVISIT: where's the correct place */
	339	omap_cfg_reg(W19_24XX_SYS_NIRQ);
	340
abc45e1d KP	341	/* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
	342	CONTROL_DEVCONF \|= (1 << 24);
	343
9b6553cd TL	344	/*
	345	* Make sure the serial ports are muxed on at this point.
	346	* You have to mux them off in device drivers later on
	347	* if not needed.
	348	*/
	349	platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
	350	omap_board_config = apollon_config;
	351	omap_board_config_size = ARRAY_SIZE(apollon_config);
	352	omap_serial_init();
	353	}
	354
	355	static void __init omap_apollon_map_io(void)
	356	{
	357	omap2_map_common_io();
	358	}
	359
	360	MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
	361	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
	362	.phys_io = 0x48000000,
	363	.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
	364	.boot_params = 0x80000100,
	365	.map_io = omap_apollon_map_io,
	366	.init_irq = omap_apollon_init_irq,
	367	.init_machine = omap_apollon_init,
	368	.timer = &omap_timer,
	369	MACHINE_END