3 * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
6 * Based on AT91SAM9XE datasheet
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
19 typedef struct at91_rtt {
20 u32 mr; /* Mode Register RW 0x00008000 */
21 u32 ar; /* Alarm Register RW 0xFFFFFFFF */
22 u32 vr; /* Value Register RO 0x00000000 */
23 u32 sr; /* Status Register RO 0x00000000 */
26 #endif /* __ASSEMBLY__ */
28 #define AT91_RTT_MR_RTPRES 0x0000ffff
29 #define AT91_RTT_MR_ALMIEN 0x00010000
30 #define AT91_RTT_RTTINCIEN 0x00020000
31 #define AT91_RTT_RTTRST 0x00040000
33 #define AT91_RTT_SR_ALMS 0x00000001
34 #define AT91_RTT_SR_RTTINC 0x00000002