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Andrew Victoreaa595c2006-11-30 16:23:18 +01001/*
Andrew Victor9d041262007-02-05 11:42:07 +01002 * include/asm-arm/arch-at91/at91_rtt.h
Andrew Victoreaa595c2006-11-30 16:23:18 +01003 *
4 * Real-time Timer (RTT) - System peripherals regsters.
5 * Based on AT91SAM9261 datasheet revision D.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 */
12
13#ifndef AT91_RTT_H
14#define AT91_RTT_H
15
Andrew Victor884f5a62008-01-23 09:11:13 +010016#define AT91_RTT_MR 0x00 /* Real-time Mode Register */
Andrew Victoreaa595c2006-11-30 16:23:18 +010017#define AT91_RTT_RTPRES (0xffff << 0) /* Real-time Timer Prescaler Value */
18#define AT91_RTT_ALMIEN (1 << 16) /* Alarm Interrupt Enable */
19#define AT91_RTT_RTTINCIEN (1 << 17) /* Real Time Timer Increment Interrupt Enable */
20#define AT91_RTT_RTTRST (1 << 18) /* Real Time Timer Restart */
21
Andrew Victor884f5a62008-01-23 09:11:13 +010022#define AT91_RTT_AR 0x04 /* Real-time Alarm Register */
Andrew Victoreaa595c2006-11-30 16:23:18 +010023#define AT91_RTT_ALMV (0xffffffff) /* Alarm Value */
24
Andrew Victor884f5a62008-01-23 09:11:13 +010025#define AT91_RTT_VR 0x08 /* Real-time Value Register */
Andrew Victoreaa595c2006-11-30 16:23:18 +010026#define AT91_RTT_CRTV (0xffffffff) /* Current Real-time Value */
27
Andrew Victor884f5a62008-01-23 09:11:13 +010028#define AT91_RTT_SR 0x0c /* Real-time Status Register */
Andrew Victoreaa595c2006-11-30 16:23:18 +010029#define AT91_RTT_ALMS (1 << 0) /* Real-time Alarm Status */
30#define AT91_RTT_RTTINC (1 << 1) /* Real-time Timer Increment */
31
32#endif