drivers/char/watchdog/i8xx_tco.h

   1 /*
   2  *      i8xx_tco:       TCO timer driver for i8xx chipsets
   3  *
   4  *      (c) Copyright 2000 kernel concepts <nils@kernelconcepts.de>, All Rights Reserved.
   5  *                              http://www.kernelconcepts.de
   6  *
   7  *      This program is free software; you can redistribute it and/or
   8  *      modify it under the terms of the GNU General Public License
   9  *      as published by the Free Software Foundation; either version
  10  *      2 of the License, or (at your option) any later version.
  11  *
  12  *      Neither kernel concepts nor Nils Faerber admit liability nor provide
  13  *      warranty for any of this software. This material is provided
  14  *      "AS-IS" and at no charge.
  15  *
  16  *      (c) Copyright 2000      kernel concepts <nils@kernelconcepts.de>
  17  *                              developed for
  18  *                              Jentro AG, Haar/Munich (Germany)
  19  *
  20  *      TCO timer driver for i8xx chipsets
  21  *      based on softdog.c by Alan Cox <alan@redhat.com>
  22  *
  23  *      For history and the complete list of supported I/O Controller Hub's
  24  *      see i8xx_tco.c
  25  */
  26
  27
  28 /*
  29  * Some address definitions for the TCO
  30  */
  31
  32 #define TCOBASE         ACPIBASE + 0x60 /* TCO base address             */
  33 #define TCO1_RLD        TCOBASE + 0x00  /* TCO Timer Reload and Current Value */
  34 #define TCO1_TMR        TCOBASE + 0x01  /* TCO Timer Initial Value      */
  35 #define TCO1_DAT_IN     TCOBASE + 0x02  /* TCO Data In Register         */
  36 #define TCO1_DAT_OUT    TCOBASE + 0x03  /* TCO Data Out Register        */
  37 #define TCO1_STS        TCOBASE + 0x04  /* TCO1 Status Register         */
  38 #define TCO2_STS        TCOBASE + 0x06  /* TCO2 Status Register         */
  39 #define TCO1_CNT        TCOBASE + 0x08  /* TCO1 Control Register        */
  40 #define TCO2_CNT        TCOBASE + 0x0a  /* TCO2 Control Register        */
  41
  42 #define SMI_EN          ACPIBASE + 0x30 /* SMI Control and Enable Register */