drivers/watchdog/omap_wdt.h - third_party/linux - Git at Google

 /*
  *  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)

 #endif				/* _OMAP_WATCHDOG_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)

	#endif /* _OMAP_WATCHDOG_H */