Root/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#include <linux/io.h>
25
26#include <mach/hardware.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

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