LXR linux/arch/arm/mach-clps711x/p720t-leds.c

   1/*
   2 *  linux/arch/arm/mach-clps711x/leds.c
   3 *
   4 *  Integrator LED control routines
   5 *
   6 *  Copyright (C) 2000 Deep Blue Solutions Ltd
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21 */
  22#include <linux/kernel.h>
  23#include <linux/init.h>
  24
  25#include <mach/hardware.h>
  26#include <asm/io.h>
  27#include <asm/leds.h>
  28#include <asm/system.h>
  29#include <asm/mach-types.h>
  30
  31#include <asm/hardware/clps7111.h>
  32#include <asm/hardware/ep7212.h>
  33
  34static void p720t_leds_event(led_event_t ledevt)
  35{
  36        unsigned long flags;
  37        u32 pddr;
  38
  39        local_irq_save(flags);
  40        switch(ledevt) {
  41        case led_idle_start:
  42                break;
  43
  44        case led_idle_end:
  45                break;
  46
  47        case led_timer:
  48                pddr = clps_readb(PDDR);
  49                clps_writeb(pddr ^ 1, PDDR);
  50                break;
  51
  52        default:
  53                break;
  54        }
  55
  56        local_irq_restore(flags);
  57}
  58
  59static int __init leds_init(void)
  60{
  61        if (machine_is_p720t())
  62                leds_event = p720t_leds_event;
  63
  64        return 0;
  65}
  66
  67arch_initcall(leds_init);
  68