| Reinhard Meyer | c9c7606 | 2010-07-27 16:22:09 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 |
| 3 | * Reinhard Meyer, reinhard.meyer@emk-elektronik.de |
| 4 | * |
| 5 | * Real-time Timer |
| 6 | * Based on AT91SAM9XE datasheet |
| 7 | * |
| Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame^] | 8 | * SPDX-License-Identifier: GPL-2.0+ |
| Reinhard Meyer | c9c7606 | 2010-07-27 16:22:09 +0200 | [diff] [blame] | 9 | */ |
| 10 | |
| 11 | #ifndef AT91_RTT_H |
| 12 | #define AT91_RTT_H |
| 13 | |
| 14 | #ifndef __ASSEMBLY__ |
| 15 | |
| 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 */ |
| 21 | } at91_rtt_t; |
| 22 | |
| 23 | #endif /* __ASSEMBLY__ */ |
| 24 | |
| 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 |
| 29 | |
| 30 | #define AT91_RTT_SR_ALMS 0x00000001 |
| 31 | #define AT91_RTT_SR_RTTINC 0x00000002 |
| 32 | |
| 33 | #endif |