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ARMV7: Exynos4: Add watchdog.h for Exynos4

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This patch add watchdog.h for Exynos4

Signed-off-by: HeungJun, Kim <riverful.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
HeungJun, Kim 2012-01-16 21:13:03 +00:00 committed by Albert ARIBAUD
parent 7336278ea2
commit 792be0aa80
1 changed files with 53 additions and 0 deletions
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53
arch/arm/include/asm/arch-exynos/watchdog.h Normal file
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/*
* Copyright (C) 2011 Samsung Electronics
* Heungjun Kim <riverful.kim@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 exynos4_watchdog {
unsigned int wtcon;
unsigned int wtdat;
unsigned int wtcnt;
unsigned int wtclrint;
};
#endif /* __ASSEMBLY__ */
#endif