| Juan Castillo | 5f64eff | 2014-07-08 17:20:41 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| dp-arm | fa3cf0b | 2017-05-03 09:38:09 +0100 | [diff] [blame] | 4 | * SPDX-License-Identifier: BSD-3-Clause |
| Juan Castillo | 5f64eff | 2014-07-08 17:20:41 +0100 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #ifndef __SP805_H__ |
| 8 | #define __SP805_H__ |
| 9 | |
| 10 | /* SP805 register offset */ |
| 11 | #define SP805_WDOG_LOAD_OFF 0x000 |
| 12 | #define SP805_WDOG_CTR_OFF 0x008 |
| 13 | #define SP805_WDOG_LOCK_OFF 0xc00 |
| 14 | |
| 15 | /* Magic word to unlock the wd registers */ |
| 16 | #define WDOG_UNLOCK_KEY 0x1ACCE551 |
| 17 | |
| 18 | /* Register field definitions */ |
| 19 | #define SP805_CTR_RESEN (1 << 1) |
| 20 | #define SP805_CTR_INTEN (1 << 0) |
| 21 | |
| 22 | #ifndef __ASSEMBLY__ |
| 23 | |
| 24 | #include <stdint.h> |
| 25 | |
| 26 | /* Public high level API */ |
| 27 | |
| 28 | void sp805_start(uintptr_t base, unsigned long ticks); |
| 29 | void sp805_stop(uintptr_t base); |
| 30 | void sp805_refresh(uintptr_t base, unsigned long ticks); |
| 31 | |
| 32 | #endif /* __ASSEMBLY__ */ |
| 33 | |
| 34 | #endif /* __SP805_H__ */ |