projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 012771d8 WD |
1 | /* |
| 2 | * (C) Copyright 2001 | |
| 3 | * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. | |
| 4 | * | |
| 5 | * See file CREDITS for list of people who contributed to this | |
| 6 | * project. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public License as | |
| 10 | * published by the Free Software Foundation; either version 2 of | |
| 11 | * the License, or (at your option) any later version. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, | |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | * GNU General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with this program; if not, write to the Free Software | |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 21 | * MA 02111-1307 USA | |
| 22 | */ | |
| 23 | ||
| 24 | /* | |
| 25 | * Watchdog functions and macros. | |
| 26 | */ | |
| 27 | #ifndef _WATCHDOG_H_ | |
| 28 | #define _WATCHDOG_H_ | |
| 29 | ||
| 30 | #if defined(CONFIG_HW_WATCHDOG) && defined(CONFIG_WATCHDOG) | |
| 31 | # error "Configuration error: CONFIG_HW_WATCHDOG and CONFIG_WATCHDOG can't be used together." | |
| 32 | #endif | |
| 33 | ||
| 028ab6b5 WD |
34 | #if defined(__ASSEMBLY__) && defined(__NIOS__) |
| 35 | # error "Configuration error: WATCHDOG_RESET inside assembler not supported for Nios platforms." | |
| 36 | #endif | |
| 37 | ||
| 012771d8 WD |
38 | /* |
| 39 | * Hardware watchdog | |
| 40 | */ | |
| 41 | #ifdef CONFIG_HW_WATCHDOG | |
| 42 | #if defined(__ASSEMBLY__) | |
| 43 | #define WATCHDOG_RESET bl hw_watchdog_reset | |
| 44 | #else | |
| 45 | extern void hw_watchdog_reset(void); | |
| 46 | ||
| 47 | #define WATCHDOG_RESET hw_watchdog_reset | |
| 48 | #endif /* __ASSEMBLY__ */ | |
| 49 | #else | |
| 50 | /* | |
| 51 | * Maybe a software watchdog? | |
| 52 | */ | |
| 53 | #if defined(CONFIG_WATCHDOG) | |
| 54 | #if defined(__ASSEMBLY__) | |
| 55 | #define WATCHDOG_RESET bl watchdog_reset | |
| 56 | #else | |
| 57 | extern void watchdog_reset(void); | |
| 58 | ||
| 59 | #define WATCHDOG_RESET watchdog_reset | |
| 60 | #endif | |
| 61 | #else | |
| 62 | /* | |
| 63 | * No hardware or software watchdog. | |
| 64 | */ | |
| 65 | #if defined(__ASSEMBLY__) | |
| 66 | #define WATCHDOG_RESET /*XXX DO_NOT_DEL_THIS_COMMENT*/ | |
| 67 | #else | |
| 68 | #define WATCHDOG_RESET() {} | |
| 69 | #endif /* __ASSEMBLY__ */ | |
| 70 | #endif /* CONFIG_WATCHDOG && !__ASSEMBLY__ */ | |
| 71 | #endif /* CONFIG_HW_WATCHDOG */ | |
| 72 | ||
| 73 | /* | |
| 74 | * Prototypes from $(CPU)/cpu.c. | |
| 75 | */ | |
| 76 | ||
| 77 | /* MPC 8xx */ | |
| 78 | #if (defined(CONFIG_8xx) || defined(CONFIG_MPC860)) && !defined(__ASSEMBLY__) | |
| 79 | void reset_8xx_watchdog(volatile immap_t *immr); | |
| 80 | #endif | |
| 81 | ||
| 0db5bca8 WD |
82 | /* MPC 5xx */ |
| 83 | #if defined(CONFIG_5xx) && !defined(__ASSEMBLY__) | |
| 84 | void reset_5xx_watchdog(volatile immap_t *immr); | |
| 85 | #endif | |
| 86 | ||
| 0c8721a4 | 87 | /* AMCC 4xx */ |
| 012771d8 WD |
88 | #if defined(CONFIG_4xx) && !defined(__ASSEMBLY__) |
| 89 | void reset_4xx_watchdog(void); | |
| 90 | #endif | |
| 91 | ||
| 012771d8 | 92 | #endif /* _WATCHDOG_H_ */ |