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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
/*
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* Copyright (C) 2011 Samsung Electronics
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* Heungjun Kim <riverful.kim@samsung.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __ASM_ARM_ARCH_WATCHDOG_H_
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#define __ASM_ARM_ARCH_WATCHDOG_H_
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#define WTCON_RESET_OFFSET 0
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#define WTCON_INTEN_OFFSET 2
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#define WTCON_CLKSEL_OFFSET 3
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#define WTCON_EN_OFFSET 5
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#define WTCON_PRE_OFFSET 8
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#define WTCON_CLK_16 0x0
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#define WTCON_CLK_32 0x1
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#define WTCON_CLK_64 0x2
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#define WTCON_CLK_128 0x3
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#define WTCON_CLK(x) ((x & 0x3) << WTCON_CLKSEL_OFFSET)
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#define WTCON_PRESCALER(x) ((x) << WTCON_PRE_OFFSET)
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#define WTCON_EN (0x1 << WTCON_EN_OFFSET)
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#define WTCON_RESET (0x1 << WTCON_RESET_OFFSET)
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#define WTCON_INT (0x1 << WTCON_INTEN_OFFSET)
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#ifndef __ASSEMBLY__
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struct s5p_watchdog {
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unsigned int wtcon;
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unsigned int wtdat;
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unsigned int wtcnt;
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unsigned int wtclrint;
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};
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/* functions */
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void wdt_stop(void);
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void wdt_start(unsigned int timeout);
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#endif /* __ASSEMBLY__ */
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#endif
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