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/*
 *  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);