| /* |
| * 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 */ |
