Subversion Repositories or1k

/*

 *  linux/arch/arm/mach-ebsa110/leds.c

 *

 *  Copyright (C) 1998 Russell King

 *

 * 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.

 *

 *  EBSA-110 LED control routines.  We use the led as follows:

 *

 *   - Red - toggles state every 50 timer interrupts

 */

#include <linux/module.h>

#include <linux/spinlock.h>

#include <linux/init.h>

#include <asm/hardware.h>

#include <asm/leds.h>

#include <asm/system.h>

#include <asm/mach-types.h>

static spinlock_t leds_lock;

static void ebsa110_leds_event(led_event_t ledevt)

{

        unsigned long flags;

        spin_lock_irqsave(&leds_lock, flags);

        switch(ledevt) {

        case led_timer:

                *(volatile unsigned char *)SOFT_BASE ^= 128;

                break;

        default:

                break;

        }

        spin_unlock_irqrestore(&leds_lock, flags);

}

static int __init leds_init(void)

{

        if (machine_is_ebsa110())

                leds_event = ebsa110_leds_event;

        return 0;

}

__initcall(leds_init);