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Merge up to 2.6.21-rc4
Merge of 2.6.x-xfs-melb:linux:28276b by kenmcd.

/*
 * include/asm-arm/arch-at91/at91_rtt.h
 *
 * Real-time Timer (RTT) - System peripherals regsters.
 * Based on AT91SAM9261 datasheet revision D.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef AT91_RTT_H
#define AT91_RTT_H

#define AT91_RTT_MR		(AT91_RTT + 0x00)	/* Real-time Mode Register */
#define		AT91_RTT_RTPRES		(0xffff << 0)		/* Real-time Timer Prescaler Value */
#define		AT91_RTT_ALMIEN		(1 << 16)		/* Alarm Interrupt Enable */
#define		AT91_RTT_RTTINCIEN	(1 << 17)		/* Real Time Timer Increment Interrupt Enable */
#define		AT91_RTT_RTTRST		(1 << 18)		/* Real Time Timer Restart */

#define AT91_RTT_AR		(AT91_RTT + 0x04)	/* Real-time Alarm Register */
#define		AT91_RTT_ALMV		(0xffffffff)		/* Alarm Value */

#define AT91_RTT_VR		(AT91_RTT + 0x08)	/* Real-time Value Register */
#define		AT91_RTT_CRTV		(0xffffffff)		/* Current Real-time Value */

#define AT91_RTT_SR		(AT91_RTT + 0x0c)	/* Real-time Status Register */
#define		AT91_RTT_ALMS		(1 << 0)		/* Real-time Alarm Status */
#define		AT91_RTT_RTTINC		(1 << 1)		/* Real-time Timer Increment */

#endif