Release 4.10 drivers/watchdog/omap_wdt.h
/*
* linux/drivers/char/watchdog/omap_wdt.h
*
* BRIEF MODULE DESCRIPTION
* OMAP Watchdog timer register definitions
*
* Copyright (C) 2004 Texas Instruments.
*
* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _OMAP_WATCHDOG_H
#define _OMAP_WATCHDOG_H
#define OMAP_WATCHDOG_REV (0x00)
#define OMAP_WATCHDOG_SYS_CONFIG (0x10)
#define OMAP_WATCHDOG_STATUS (0x14)
#define OMAP_WATCHDOG_CNTRL (0x24)
#define OMAP_WATCHDOG_CRR (0x28)
#define OMAP_WATCHDOG_LDR (0x2c)
#define OMAP_WATCHDOG_TGR (0x30)
#define OMAP_WATCHDOG_WPS (0x34)
#define OMAP_WATCHDOG_SPR (0x48)
/* Using the prescaler, the OMAP watchdog could go for many
* months before firing. These limits work without scaling,
* with the 60 second default assumed by most tools and docs.
*/
#define TIMER_MARGIN_MAX (24 * 60 * 60)
/* 1 day */
#define TIMER_MARGIN_DEFAULT 60
/* 60 secs */
#define TIMER_MARGIN_MIN 1
#define PTV 0
/* prescale */
#define GET_WLDR_VAL(secs) (0xffffffff - ((secs) * (32768/(1<<PTV))) + 1)
#define GET_WCCR_SECS(val) ((0xffffffff - (val) + 1) / (32768/(1<<PTV)))
#endif /* _OMAP_WATCHDOG_H */
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