1/* 2 * include/asm-arm/arch-at91/at91_rtt.h 3 * 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 16#define AT91_RTT_MR (AT91_RTT + 0x00) /* Real-time Mode Register */ 17#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 22#define AT91_RTT_AR (AT91_RTT + 0x04) /* Real-time Alarm Register */ 23#define AT91_RTT_ALMV (0xffffffff) /* Alarm Value */ 24 25#define AT91_RTT_VR (AT91_RTT + 0x08) /* Real-time Value Register */ 26#define AT91_RTT_CRTV (0xffffffff) /* Current Real-time Value */ 27 28#define AT91_RTT_SR (AT91_RTT + 0x0c) /* Real-time Status Register */ 29#define AT91_RTT_ALMS (1 << 0) /* Real-time Alarm Status */ 30#define AT91_RTT_RTTINC (1 << 1) /* Real-time Timer Increment */ 31 32#endif 33