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- /*
- * 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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