[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 <linux/err.h>
#include <linux/clk.h>

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

#include <mach/gpio.h>
#include <mach/led.h>
#include <mach/mux.h>
#include <mach/usb.h>
#include <mach/board.h>
#include <mach/common.h>
#include <mach/gpmc.h>
#include <mach/control.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;

	unsigned int rate;
	struct clk *gpmc_fck;
	int eth_cs;

	gpmc_fck = clk_get(NULL, "gpmc_fck");	/* Always on ENABLE_ON_INIT */
	if (IS_ERR(gpmc_fck)) {
		WARN_ON(1);
		return;
	}

	clk_enable(gpmc_fck);
	rate = clk_get_rate(gpmc_fck);

	eth_cs = APOLLON_ETH_CS;

	/* Make sure CS1 timings are correct */
	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);

	if (rate >= 160000000) {
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	} else if (rate >= 130000000) {
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	} else {/* rate = 100000000 */
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
	}

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

	omap_cfg_reg(W4__24XX_GPIO74);
	if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
		printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
			APOLLON_ETHR_GPIO_IRQ);
		gpmc_cs_free(APOLLON_ETH_CS);
		goto out;
	}
	gpio_direction_input(APOLLON_ETHR_GPIO_IRQ);

out:
	clk_disable(gpmc_fck);
	clk_put(gpmc_fck);
}

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_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_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);
	gpio_direction_input(SW_ENTER_GPIO16);
	/* Up SW - AA12 */
	omap_cfg_reg(AA12_242X_GPIO17);
	omap_request_gpio(SW_UP_GPIO17);
	gpio_direction_input(SW_UP_GPIO17);
	/* Down SW - AA8 */
	omap_cfg_reg(AA8_242X_GPIO58);
	omap_request_gpio(SW_DOWN_GPIO58);
	gpio_direction_input(SW_DOWN_GPIO58);

	set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQ_TYPE_EDGE_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), IRQ_TYPE_EDGE_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), IRQ_TYPE_EDGE_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);
	gpio_request(12, "USB suspend");
	gpio_direction_output(12, 0);
}

static void __init omap_apollon_init(void)
{
	u32 v;

	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 */
	v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
	v |= (1 << 24);
	omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);

	/*
 	 * 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_set_globals_242x();
	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>
44595982 PW	29	#include <linux/err.h>
44595982 PW	30	#include <linux/clk.h>
9b6553cd	31
a09e64fb	32	#include <mach/hardware.h>
9b6553cd TL	33	#include <asm/mach-types.h>
	34	#include <asm/mach/arch.h>
	35	#include <asm/mach/flash.h>
	36
a09e64fb RK	37	#include <mach/gpio.h>
	38	#include <mach/led.h>
	39	#include <mach/mux.h>
	40	#include <mach/usb.h>
	41	#include <mach/board.h>
	42	#include <mach/common.h>
	43	#include <mach/gpmc.h>
	44	#include <mach/control.h>
9b6553cd TL	45
	46	/* LED & Switch macros */
	47	#define LED0_GPIO13 13
	48	#define LED1_GPIO14 14
	49	#define LED2_GPIO15 15
	50	#define SW_ENTER_GPIO16 16
	51	#define SW_UP_GPIO17 17
	52	#define SW_DOWN_GPIO58 58
	53
f0248408 KP	54	#define APOLLON_FLASH_CS 0
	55	#define APOLLON_ETH_CS 1
	56
9b6553cd TL	57	static struct mtd_partition apollon_partitions[] = {
	58	{
	59	.name = "X-Loader + U-Boot",
	60	.offset = 0,
	61	.size = SZ_128K,
	62	.mask_flags = MTD_WRITEABLE,
	63	},
	64	{
	65	.name = "params",
	66	.offset = MTDPART_OFS_APPEND,
	67	.size = SZ_128K,
	68	},
	69	{
	70	.name = "kernel",
	71	.offset = MTDPART_OFS_APPEND,
	72	.size = SZ_2M,
	73	},
	74	{
	75	.name = "rootfs",
	76	.offset = MTDPART_OFS_APPEND,
	77	.size = SZ_16M,
	78	},
	79	{
	80	.name = "filesystem00",
	81	.offset = MTDPART_OFS_APPEND,
	82	.size = SZ_32M,
	83	},
	84	{
	85	.name = "filesystem01",
	86	.offset = MTDPART_OFS_APPEND,
	87	.size = MTDPART_SIZ_FULL,
	88	},
	89	};
	90
	91	static struct flash_platform_data apollon_flash_data = {
	92	.parts = apollon_partitions,
	93	.nr_parts = ARRAY_SIZE(apollon_partitions),
	94	};
	95
f0248408 KP	96	static struct resource apollon_flash_resource[] = {
	97	[0] = {
	98	.flags = IORESOURCE_MEM,
	99	},
9b6553cd TL	100	};
	101
	102	static struct platform_device apollon_onenand_device = {
	103	.name = "onenand",
	104	.id = -1,
	105	.dev = {
	106	.platform_data = &apollon_flash_data,
	107	},
f0248408 KP	108	.num_resources = ARRAY_SIZE(apollon_flash_resource),
f0248408 KP	109	.resource = apollon_flash_resource,
9b6553cd TL	110	};
9b6553cd TL	111
f0248408 KP	112	static void __init apollon_flash_init(void)
	113	{
	114	unsigned long base;
	115
	116	if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
	117	printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
	118	return;
	119	}
	120	apollon_flash_resource[0].start = base;
	121	apollon_flash_resource[0].end = base + SZ_128K - 1;
	122	}
	123
9b6553cd TL	124	static struct resource apollon_smc91x_resources[] = {
9b6553cd TL	125	[0] = {
9b6553cd TL	126	.flags = IORESOURCE_MEM,
	127	},
	128	[1] = {
	129	.start = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
	130	.end = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
e7b3dc7e	131	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
9b6553cd TL	132	},
	133	};
	134
	135	static struct platform_device apollon_smc91x_device = {
	136	.name = "smc91x",
	137	.id = -1,
	138	.num_resources = ARRAY_SIZE(apollon_smc91x_resources),
	139	.resource = apollon_smc91x_resources,
	140	};
	141
	142	static struct platform_device apollon_lcd_device = {
	143	.name = "apollon_lcd",
	144	.id = -1,
	145	};
	146
f0248408 KP	147	static struct omap_led_config apollon_led_config[] = {
	148	{
	149	.cdev = {
	150	.name = "apollon:led0",
	151	},
	152	.gpio = LED0_GPIO13,
	153	},
	154	{
	155	.cdev = {
	156	.name = "apollon:led1",
	157	},
	158	.gpio = LED1_GPIO14,
	159	},
	160	{
	161	.cdev = {
	162	.name = "apollon:led2",
	163	},
	164	.gpio = LED2_GPIO15,
	165	},
	166	};
	167
	168	static struct omap_led_platform_data apollon_led_data = {
	169	.nr_leds = ARRAY_SIZE(apollon_led_config),
	170	.leds = apollon_led_config,
	171	};
	172
	173	static struct platform_device apollon_led_device = {
	174	.name = "omap-led",
	175	.id = -1,
	176	.dev = {
	177	.platform_data = &apollon_led_data,
	178	},
	179	};
	180
9b6553cd TL	181	static struct platform_device *apollon_devices[] __initdata = {
	182	&apollon_onenand_device,
	183	&apollon_smc91x_device,
	184	&apollon_lcd_device,
f0248408	185	&apollon_led_device,
9b6553cd TL	186	};
	187
	188	static inline void __init apollon_init_smc91x(void)
	189	{
f0248408 KP	190	unsigned long base;
f0248408 KP	191
44595982 PW	192	unsigned int rate;
	193	struct clk *gpmc_fck;
	194	int eth_cs;
	195
	196	gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
	197	if (IS_ERR(gpmc_fck)) {
	198	WARN_ON(1);
	199	return;
	200	}
	201
	202	clk_enable(gpmc_fck);
	203	rate = clk_get_rate(gpmc_fck);
	204
	205	eth_cs = APOLLON_ETH_CS;
	206
9b6553cd	207	/* Make sure CS1 timings are correct */
44595982 PW	208	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
	209
	210	if (rate >= 160000000) {
	211	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
	212	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
	213	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
	214	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	215	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	216	} else if (rate >= 130000000) {
	217	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	218	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	219	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	220	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
	221	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
	222	} else {/* rate = 100000000 */
	223	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
	224	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
	225	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
	226	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
	227	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
	228	}
f0248408 KP	229
	230	if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
	231	printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
44595982	232	goto out;
f0248408 KP	233	}
	234	apollon_smc91x_resources[0].start = base + 0x300;
	235	apollon_smc91x_resources[0].end = base + 0x30f;
9b6553cd TL	236	udelay(100);
	237
	238	omap_cfg_reg(W4__24XX_GPIO74);
f2d18fea	239	if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
9b6553cd TL	240	printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
9b6553cd TL	241	APOLLON_ETHR_GPIO_IRQ);
f0248408	242	gpmc_cs_free(APOLLON_ETH_CS);
44595982	243	goto out;
9b6553cd	244	}
40e3925b	245	gpio_direction_input(APOLLON_ETHR_GPIO_IRQ);
44595982 PW	246
	247	out:
	248	clk_disable(gpmc_fck);
	249	clk_put(gpmc_fck);
9b6553cd TL	250	}
	251
	252	static void __init omap_apollon_init_irq(void)
	253	{
	254	omap2_init_common_hw();
	255	omap_init_irq();
	256	omap_gpio_init();
	257	apollon_init_smc91x();
	258	}
	259
	260	static struct omap_uart_config apollon_uart_config __initdata = {
	261	.enabled_uarts = (1 << 0) \| (0 << 1) \| (0 << 2),
	262	};
	263
f0248408 KP	264	static struct omap_usb_config apollon_usb_config __initdata = {
	265	.register_dev = 1,
	266	.hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */
	267
	268	.pins[0] = 6,
	269	};
	270
9b6553cd TL	271	static struct omap_lcd_config apollon_lcd_config __initdata = {
	272	.ctrl_name = "internal",
	273	};
	274
	275	static struct omap_board_config_kernel apollon_config[] = {
	276	{ OMAP_TAG_UART, &apollon_uart_config },
f0248408	277	{ OMAP_TAG_USB, &apollon_usb_config },
9b6553cd TL	278	{ OMAP_TAG_LCD, &apollon_lcd_config },
	279	};
	280
	281	static void __init apollon_led_init(void)
	282	{
	283	/* LED0 - AA10 */
	284	omap_cfg_reg(AA10_242X_GPIO13);
	285	omap_request_gpio(LED0_GPIO13);
	286	omap_set_gpio_direction(LED0_GPIO13, 0);
	287	omap_set_gpio_dataout(LED0_GPIO13, 0);
	288	/* LED1 - AA6 */
	289	omap_cfg_reg(AA6_242X_GPIO14);
	290	omap_request_gpio(LED1_GPIO14);
	291	omap_set_gpio_direction(LED1_GPIO14, 0);
	292	omap_set_gpio_dataout(LED1_GPIO14, 0);
	293	/* LED2 - AA4 */
	294	omap_cfg_reg(AA4_242X_GPIO15);
	295	omap_request_gpio(LED2_GPIO15);
	296	omap_set_gpio_direction(LED2_GPIO15, 0);
	297	omap_set_gpio_dataout(LED2_GPIO15, 0);
	298	}
	299
0cd61b68	300	static irqreturn_t apollon_sw_interrupt(int irq, void *ignored)
9b6553cd TL	301	{
	302	static unsigned int led0, led1, led2;
	303
	304	if (irq == OMAP_GPIO_IRQ(SW_ENTER_GPIO16))
	305	omap_set_gpio_dataout(LED0_GPIO13, led0 ^= 1);
	306	else if (irq == OMAP_GPIO_IRQ(SW_UP_GPIO17))
	307	omap_set_gpio_dataout(LED1_GPIO14, led1 ^= 1);
	308	else if (irq == OMAP_GPIO_IRQ(SW_DOWN_GPIO58))
	309	omap_set_gpio_dataout(LED2_GPIO15, led2 ^= 1);
	310
	311	return IRQ_HANDLED;
	312	}
	313
	314	static void __init apollon_sw_init(void)
	315	{
	316	/* Enter SW - Y11 */
	317	omap_cfg_reg(Y11_242X_GPIO16);
	318	omap_request_gpio(SW_ENTER_GPIO16);
40e3925b	319	gpio_direction_input(SW_ENTER_GPIO16);
9b6553cd TL	320	/* Up SW - AA12 */
	321	omap_cfg_reg(AA12_242X_GPIO17);
	322	omap_request_gpio(SW_UP_GPIO17);
40e3925b	323	gpio_direction_input(SW_UP_GPIO17);
9b6553cd TL	324	/* Down SW - AA8 */
	325	omap_cfg_reg(AA8_242X_GPIO58);
	326	omap_request_gpio(SW_DOWN_GPIO58);
40e3925b	327	gpio_direction_input(SW_DOWN_GPIO58);
9b6553cd	328
6cab4860	329	set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQ_TYPE_EDGE_RISING);
9b6553cd	330	if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt,
52e405ea	331	IRQF_SHARED, "enter sw",
9b6553cd TL	332	&apollon_sw_interrupt))
9b6553cd TL	333	return;
6cab4860	334	set_irq_type(OMAP_GPIO_IRQ(SW_UP_GPIO17), IRQ_TYPE_EDGE_RISING);
9b6553cd	335	if (request_irq(OMAP_GPIO_IRQ(SW_UP_GPIO17), &apollon_sw_interrupt,
52e405ea	336	IRQF_SHARED, "up sw",
9b6553cd TL	337	&apollon_sw_interrupt))
9b6553cd TL	338	return;
6cab4860	339	set_irq_type(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), IRQ_TYPE_EDGE_RISING);
9b6553cd	340	if (request_irq(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), &apollon_sw_interrupt,
52e405ea	341	IRQF_SHARED, "down sw",
9b6553cd TL	342	&apollon_sw_interrupt))
	343	return;
	344	}
	345
f0248408 KP	346	static void __init apollon_usb_init(void)
	347	{
	348	/* USB device */
	349	/* DEVICE_SUSPEND */
	350	omap_cfg_reg(P21_242X_GPIO12);
f2d18fea	351	gpio_request(12, "USB suspend");
e918edf7	352	gpio_direction_output(12, 0);
f0248408 KP	353	}
f0248408 KP	354
9b6553cd TL	355	static void __init omap_apollon_init(void)
9b6553cd TL	356	{
44595982 PW	357	u32 v;
44595982 PW	358
9b6553cd TL	359	apollon_led_init();
9b6553cd TL	360	apollon_sw_init();
f0248408 KP	361	apollon_flash_init();
f0248408 KP	362	apollon_usb_init();
9b6553cd TL	363
	364	/* REVISIT: where's the correct place */
	365	omap_cfg_reg(W19_24XX_SYS_NIRQ);
	366
abc45e1d	367	/* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
44595982 PW	368	v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
	369	v \|= (1 << 24);
	370	omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
abc45e1d	371
9b6553cd TL	372	/*
	373	* Make sure the serial ports are muxed on at this point.
	374	* You have to mux them off in device drivers later on
	375	* if not needed.
	376	*/
	377	platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
	378	omap_board_config = apollon_config;
	379	omap_board_config_size = ARRAY_SIZE(apollon_config);
	380	omap_serial_init();
	381	}
	382
	383	static void __init omap_apollon_map_io(void)
	384	{
c8d2eb8e	385	omap2_set_globals_242x();
9b6553cd TL	386	omap2_map_common_io();
	387	}
	388
	389	MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
	390	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
	391	.phys_io = 0x48000000,
	392	.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
	393	.boot_params = 0x80000100,
	394	.map_io = omap_apollon_map_io,
	395	.init_irq = omap_apollon_init_irq,
	396	.init_machine = omap_apollon_init,
	397	.timer = &omap_timer,
	398	MACHINE_END