blob: 15121446efc870ad2e083e14ba2862a948421492 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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>
Russell Kingfced80c2008-09-06 12:10:45 +010024#include <linux/io.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
Russell Kinga09e64f2008-08-05 16:14:15 +010026#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#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);