blob: 7ec75de8bbb6d9d3b6fa11cc6a30c67c2fee6c87 [file] [log] [blame]
Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
2 * arch/arm/mach-at91/include/mach/at91_rtt.h
3 *
Andrew Victor3d73e892008-09-18 21:44:20 +01004 * Copyright (C) 2007 Andrew Victor
5 * Copyright (C) 2007 Atmel Corporation.
6 *
Russell Kinga09e64f2008-08-05 16:14:15 +01007 * Real-time Timer (RTT) - System peripherals regsters.
8 * Based on AT91SAM9261 datasheet revision D.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
16#ifndef AT91_RTT_H
17#define AT91_RTT_H
18
19#define AT91_RTT_MR 0x00 /* Real-time Mode Register */
20#define AT91_RTT_RTPRES (0xffff << 0) /* Real-time Timer Prescaler Value */
21#define AT91_RTT_ALMIEN (1 << 16) /* Alarm Interrupt Enable */
22#define AT91_RTT_RTTINCIEN (1 << 17) /* Real Time Timer Increment Interrupt Enable */
23#define AT91_RTT_RTTRST (1 << 18) /* Real Time Timer Restart */
24
25#define AT91_RTT_AR 0x04 /* Real-time Alarm Register */
26#define AT91_RTT_ALMV (0xffffffff) /* Alarm Value */
27
28#define AT91_RTT_VR 0x08 /* Real-time Value Register */
29#define AT91_RTT_CRTV (0xffffffff) /* Current Real-time Value */
30
31#define AT91_RTT_SR 0x0c /* Real-time Status Register */
32#define AT91_RTT_ALMS (1 << 0) /* Real-time Alarm Status */
33#define AT91_RTT_RTTINC (1 << 1) /* Real-time Timer Increment */
34
35#endif