| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2010 |
| * Reinhard Meyer, reinhard.meyer@emk-elektronik.de |
| * |
| * Real-time Timer |
| * Based on AT91SAM9XE datasheet |
| */ |
| |
| #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 |
