Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * 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/kernel.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <asm/hardware.h>

#include <asm/io.h>

#include <asm/arch/board.h>

#include <asm/arch/gpio.h>

/* Many OMAP development platforms reuse the same "debug board"; these

 * platforms include H2, H3, H4, and Perseus2.

 */

static struct resource smc91x_resources[] = {

        [0] = {

                .flags  = IORESOURCE_MEM,

        },

        [1] = {

                .flags  = IORESOURCE_IRQ,

        },

};

static struct platform_device smc91x_device = {

        .name           = "smc91x",

        .id             = -1,

        .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 = OMAP_GPIO_IRQ(gpio);

        smc91x_resources[1].end   = OMAP_GPIO_IRQ(gpio);

        status = omap_request_gpio(gpio);

        if (status < 0) {

                printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio);

                return status;

        }

        omap_set_gpio_direction(gpio, 1);

        led_resources[0].start = addr;

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

        return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices));

}