/* * 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 */