satip-axe/kernel/arch/arm/mach-at91/include/mach/at91_rtt.h
2015-03-26 17:24:57 +01:00

36 lines
1.3 KiB
C

/*
* arch/arm/mach-at91/include/mach/at91_rtt.h
*
* Copyright (C) 2007 Andrew Victor
* Copyright (C) 2007 Atmel Corporation.
*
* 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 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 0x04 /* Real-time Alarm Register */
#define AT91_RTT_ALMV (0xffffffff) /* Alarm Value */
#define AT91_RTT_VR 0x08 /* Real-time Value Register */
#define AT91_RTT_CRTV (0xffffffff) /* Current Real-time Value */
#define AT91_RTT_SR 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