mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 18:59:44 +00:00
851db35e2d
This patch adds support the generic watchdog timer for s5pc1xx and exynos4 Signed-off-by: Minkyu Kang <mk7.kang@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: HeungJun, Kim <riverful.kim@samsung.com>
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2011 Samsung Electronics
|
|
* Heungjun Kim <riverful.kim@samsung.com>
|
|
* Minkyu Kang <mk7.kang@samsung.com>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __ASM_ARM_ARCH_WATCHDOG_H_
|
|
#define __ASM_ARM_ARCH_WATCHDOG_H_
|
|
|
|
#define WTCON_RESET_OFFSET 0
|
|
#define WTCON_INTEN_OFFSET 2
|
|
#define WTCON_CLKSEL_OFFSET 3
|
|
#define WTCON_EN_OFFSET 5
|
|
#define WTCON_PRE_OFFSET 8
|
|
|
|
#define WTCON_CLK_16 0x0
|
|
#define WTCON_CLK_32 0x1
|
|
#define WTCON_CLK_64 0x2
|
|
#define WTCON_CLK_128 0x3
|
|
|
|
#define WTCON_CLK(x) ((x & 0x3) << WTCON_CLKSEL_OFFSET)
|
|
#define WTCON_PRESCALER(x) ((x) << WTCON_PRE_OFFSET)
|
|
#define WTCON_EN (0x1 << WTCON_EN_OFFSET)
|
|
#define WTCON_RESET (0x1 << WTCON_RESET_OFFSET)
|
|
#define WTCON_INT (0x1 << WTCON_INTEN_OFFSET)
|
|
|
|
#ifndef __ASSEMBLY__
|
|
struct s5p_watchdog {
|
|
unsigned int wtcon;
|
|
unsigned int wtdat;
|
|
unsigned int wtcnt;
|
|
unsigned int wtclrint;
|
|
};
|
|
|
|
/* functions */
|
|
void wdt_stop(void);
|
|
void wdt_start(unsigned int timeout);
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif
|