| Minkyu Kang | 851db35 | 2012-01-18 15:55:05 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 Samsung Electronics |
| 3 | * Heungjun Kim <riverful.kim@samsung.com> |
| 4 | * Minkyu Kang <mk7.kang@samsung.com> |
| 5 | * |
| 6 | * See file CREDITS for list of people who contributed to this |
| 7 | * project. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License as |
| 11 | * published by the Free Software Foundation; either version 2 of |
| 12 | * the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 22 | * MA 02111-1307 USA |
| 23 | */ |
| 24 | |
| 25 | #ifndef __ASM_ARM_ARCH_WATCHDOG_H_ |
| 26 | #define __ASM_ARM_ARCH_WATCHDOG_H_ |
| 27 | |
| 28 | #define WTCON_RESET_OFFSET 0 |
| 29 | #define WTCON_INTEN_OFFSET 2 |
| 30 | #define WTCON_CLKSEL_OFFSET 3 |
| 31 | #define WTCON_EN_OFFSET 5 |
| 32 | #define WTCON_PRE_OFFSET 8 |
| 33 | |
| 34 | #define WTCON_CLK_16 0x0 |
| 35 | #define WTCON_CLK_32 0x1 |
| 36 | #define WTCON_CLK_64 0x2 |
| 37 | #define WTCON_CLK_128 0x3 |
| 38 | |
| 39 | #define WTCON_CLK(x) ((x & 0x3) << WTCON_CLKSEL_OFFSET) |
| 40 | #define WTCON_PRESCALER(x) ((x) << WTCON_PRE_OFFSET) |
| 41 | #define WTCON_EN (0x1 << WTCON_EN_OFFSET) |
| 42 | #define WTCON_RESET (0x1 << WTCON_RESET_OFFSET) |
| 43 | #define WTCON_INT (0x1 << WTCON_INTEN_OFFSET) |
| 44 | |
| 45 | #ifndef __ASSEMBLY__ |
| 46 | struct s5p_watchdog { |
| 47 | unsigned int wtcon; |
| 48 | unsigned int wtdat; |
| 49 | unsigned int wtcnt; |
| 50 | unsigned int wtclrint; |
| 51 | }; |
| 52 | |
| 53 | /* functions */ |
| 54 | void wdt_stop(void); |
| 55 | void wdt_start(unsigned int timeout); |
| 56 | #endif /* __ASSEMBLY__ */ |
| 57 | |
| 58 | #endif |