3 * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
6 * Based on AT91SAM9XE datasheet
8 * SPDX-License-Identifier: GPL-2.0+
16 typedef struct at91_rtt {
17 u32 mr; /* Mode Register RW 0x00008000 */
18 u32 ar; /* Alarm Register RW 0xFFFFFFFF */
19 u32 vr; /* Value Register RO 0x00000000 */
20 u32 sr; /* Status Register RO 0x00000000 */
23 #endif /* __ASSEMBLY__ */
25 #define AT91_RTT_MR_RTPRES 0x0000ffff
26 #define AT91_RTT_MR_ALMIEN 0x00010000
27 #define AT91_RTT_RTTINCIEN 0x00020000
28 #define AT91_RTT_RTTRST 0x00040000
30 #define AT91_RTT_SR_ALMS 0x00000001
31 #define AT91_RTT_SR_RTTINC 0x00000002