[deliverable/linux.git] / arch / arm / plat-omap / debug-devices.c

/*
 * linux/arch/arm/plat-omap/debug-devices.c
 *
 * Copyright (C) 2005 Nokia Corporation
 * Modified from mach-omap2/board-h4.c
 *
 * 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/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/smc91x.h>

#include <mach/hardware.h>

/* Many OMAP development platforms reuse the same "debug board"; these
 * platforms include H2, H3, H4, and Perseus2.
 */

static struct smc91x_platdata smc91x_info = {
	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT,
	.leda	= RPC_LED_100_10,
	.ledb	= RPC_LED_TX_RX,
};

static struct resource smc91x_resources[] = {
	[0] = {
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
	},
};

static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= -1,
	.dev		= {
		.platform_data = &smc91x_info,
	},
	.num_resources	= ARRAY_SIZE(smc91x_resources),
	.resource	= smc91x_resources,
};

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

static struct platform_device led_device = {
	.name		= "omap_dbg_led",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(led_resources),
	.resource	= led_resources,
};

static struct platform_device *debug_devices[] __initdata = {
	&smc91x_device,
	&led_device,
	/* ps2 kbd + mouse ports */
	/* 4 extra uarts */
	/* 6 input dip switches */
	/* 8 output pins */
};

int __init debug_card_init(u32 addr, unsigned gpio)
{
	int	status;

	smc91x_resources[0].start = addr + 0x300;
	smc91x_resources[0].end   = addr + 0x30f;

	smc91x_resources[1].start = gpio_to_irq(gpio);
	smc91x_resources[1].end   = gpio_to_irq(gpio);

	status = gpio_request(gpio, "SMC91x irq");
	if (status < 0) {
		printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio);
		return status;
	}
	gpio_direction_input(gpio);

	led_resources[0].start = addr;
	led_resources[0].end   = addr + SZ_4K - 1;

	return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices));
}
Commit	Line	Data
f6049312 DB	1	/*
	2	* linux/arch/arm/plat-omap/debug-devices.c
	3	*
	4	* Copyright (C) 2005 Nokia Corporation
	5	* Modified from mach-omap2/board-h4.c
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*/
2f8163ba	11	#include <linux/gpio.h>
f6049312 DB	12	#include <linux/kernel.h>
	13	#include <linux/init.h>
	14	#include <linux/platform_device.h>
fced80c7	15	#include <linux/io.h>
3bc48014	16	#include <linux/smc91x.h>
f6049312	17
a09e64fb	18	#include <mach/hardware.h>
f6049312	19
f6049312 DB	20	/* Many OMAP development platforms reuse the same "debug board"; these
	21	* platforms include H2, H3, H4, and Perseus2.
	22	*/
	23
3bc48014 LM	24	static struct smc91x_platdata smc91x_info = {
	25	.flags = SMC91X_USE_16BIT \| SMC91X_NOWAIT,
	26	.leda = RPC_LED_100_10,
	27	.ledb = RPC_LED_TX_RX,
	28	};
	29
f6049312 DB	30	static struct resource smc91x_resources[] = {
	31	[0] = {
	32	.flags = IORESOURCE_MEM,
	33	},
	34	[1] = {
e7b3dc7e	35	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWEDGE,
f6049312 DB	36	},
	37	};
	38
	39	static struct platform_device smc91x_device = {
	40	.name = "smc91x",
	41	.id = -1,
3bc48014 LM	42	.dev = {
	43	.platform_data = &smc91x_info,
	44	},
f6049312 DB	45	.num_resources = ARRAY_SIZE(smc91x_resources),
	46	.resource = smc91x_resources,
	47	};
	48
	49	static struct resource led_resources[] = {
	50	[0] = {
	51	.flags = IORESOURCE_MEM,
	52	},
	53	};
	54
	55	static struct platform_device led_device = {
	56	.name = "omap_dbg_led",
	57	.id = -1,
	58	.num_resources = ARRAY_SIZE(led_resources),
	59	.resource = led_resources,
	60	};
	61
	62	static struct platform_device *debug_devices[] __initdata = {
	63	&smc91x_device,
	64	&led_device,
	65	/* ps2 kbd + mouse ports */
	66	/* 4 extra uarts */
	67	/* 6 input dip switches */
	68	/* 8 output pins */
	69	};
	70
	71	int __init debug_card_init(u32 addr, unsigned gpio)
	72	{
	73	int status;
	74
	75	smc91x_resources[0].start = addr + 0x300;
	76	smc91x_resources[0].end = addr + 0x30f;
	77
15f74b03 DB	78	smc91x_resources[1].start = gpio_to_irq(gpio);
15f74b03 DB	79	smc91x_resources[1].end = gpio_to_irq(gpio);
f6049312	80
f2d18fea	81	status = gpio_request(gpio, "SMC91x irq");
f6049312 DB	82	if (status < 0) {
	83	printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio);
	84	return status;
	85	}
40e3925b	86	gpio_direction_input(gpio);
f6049312 DB	87
	88	led_resources[0].start = addr;
	89	led_resources[0].end = addr + SZ_4K - 1;
	90
	91	return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices));
	92	}