2 * Copyright (C) 2011 Samsung Electronics
3 * Heungjun Kim <riverful.kim@samsung.com>
4 * Minkyu Kang <mk7.kang@samsung.com>
6 * See file CREDITS for list of people who contributed to this
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.
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.
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,
25 #ifndef __ASM_ARM_ARCH_WATCHDOG_H_
26 #define __ASM_ARM_ARCH_WATCHDOG_H_
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
34 #define WTCON_CLK_16 0x0
35 #define WTCON_CLK_32 0x1
36 #define WTCON_CLK_64 0x2
37 #define WTCON_CLK_128 0x3
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)
50 unsigned int wtclrint;
55 void wdt_start(unsigned int timeout);
56 #endif /* __ASSEMBLY__ */