/* * 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