Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * linux/arch/arm/mach-imx/leds-mx1ads.c

 *

 * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>

 *

 * Original (leds-footbridge.c) by 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.

 *

 */

#include <linux/kernel.h>

#include <linux/init.h>

#include <asm/hardware.h>

#include <asm/system.h>

#include <asm/io.h>

#include <asm/leds.h>

#include "leds.h"

/*

 * The MX1ADS Board has only one usable LED,

 * so select only the timer led or the

 * cpu usage led

 */

void

mx1ads_leds_event(led_event_t ledevt)

{

        unsigned long flags;

        local_irq_save(flags);

        switch (ledevt) {

#ifdef CONFIG_LEDS_CPU

        case led_idle_start:

                DR(0) &= ~(1<<2);

                break;

        case led_idle_end:

                DR(0) |= 1<<2;

                break;

#endif

#ifdef CONFIG_LEDS_TIMER

        case led_timer:

                DR(0) ^= 1<<2;

#endif

        default:

                break;

        }

        local_irq_restore(flags);

}