u-boot/arch/arm/include/asm/arch-at91/at91_rtt.h
Reinhard Meyer c7260d1539 AT91: add RTT and GPBR based RTC
Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
2010-09-03 11:20:02 +02:00

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C

/*
* Copyright (C) 2010
* Reinhard Meyer, reinhard.meyer@emk-elektronik.de
*
* Real-time Timer
* Based on AT91SAM9XE datasheet
*
* 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
#ifndef __ASSEMBLY__
typedef struct at91_rtt {
u32 mr; /* Mode Register RW 0x00008000 */
u32 ar; /* Alarm Register RW 0xFFFFFFFF */
u32 vr; /* Value Register RO 0x00000000 */
u32 sr; /* Status Register RO 0x00000000 */
} at91_rtt_t;
#endif /* __ASSEMBLY__ */
#define AT91_RTT_MR_RTPRES 0x0000ffff
#define AT91_RTT_MR_ALMIEN 0x00010000
#define AT91_RTT_RTTINCIEN 0x00020000
#define AT91_RTT_RTTRST 0x00040000
#define AT91_RTT_SR_ALMS 0x00000001
#define AT91_RTT_SR_RTTINC 0x00000002
#endif