ichwd.h

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    1 /*
    2  * Copyright (c) 2004 Texas A&M University
    3  * All rights reserved.
    4  *
    5  * Developer: Wm. Daryl Hawkins
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD: releng/5.3/sys/dev/ichwd/ichwd.h 129124 2004-05-11 18:21:38Z des $
   29  */
   30 
   31 #ifndef _ICHWD_H_
   32 #define _ICHWD_H_
   33 
   34 struct ichwd_device {
   35         uint16_t                 vendor;
   36         uint16_t                 device;
   37         char                    *desc;
   38 };
   39 
   40 struct ichwd_softc {
   41         device_t                 device;
   42 
   43         int                      active;
   44         unsigned int             timeout;
   45 
   46         int                      smi_rid;
   47         struct resource         *smi_res;
   48         bus_space_tag_t          smi_bst;
   49         bus_space_handle_t       smi_bsh;
   50 
   51         int                      tco_rid;
   52         struct resource         *tco_res;
   53         bus_space_tag_t          tco_bst;
   54         bus_space_handle_t       tco_bsh;
   55 
   56         eventhandler_tag         ev_tag;
   57 };
   58 
   59 #define VENDORID_INTEL          0x8086
   60 #define DEVICEID_82801AA        0x2410
   61 #define DEVICEID_82801AB        0x2420
   62 #define DEVICEID_82801BA        0x2440
   63 #define DEVICEID_82801BAM       0x244c
   64 #define DEVICEID_82801CA        0x2480
   65 #define DEVICEID_82801CAM       0x248c
   66 #define DEVICEID_82801DB        0x24c0
   67 #define DEVICEID_82801DBM       0x24cc
   68 #define DEVICEID_82801E         0x2450
   69 #define DEVICEID_82801EBR       0x24d0
   70 
   71 /* ICH LPC Interface Bridge Registers */
   72 #define ICH_GEN_STA             0xd4
   73 #define ICH_GEN_STA_NO_REBOOT   0x02
   74 #define ICH_PMBASE              0x40 /* ACPI base address register */
   75 #define ICH_PMBASE_MASK         0x7f80 /* bits 7-15 */
   76 
   77 /* register names and locations (relative to PMBASE) */
   78 #define SMI_BASE                0x30 /* base address for SMI registers */
   79 #define SMI_LEN                 0x08
   80 #define SMI_EN                  0x00 /* SMI Control and Enable Register */
   81 #define SMI_STS                 0x04 /* SMI Status Register */
   82 #define TCO_BASE                0x60 /* base address for TCO registers */
   83 #define TCO_LEN                 0x0a
   84 #define TCO_RLD                 0x00 /* TCO Reload and Current Value */
   85 #define TCO_TMR                 0x01 /* TCO Timer Initial Value */
   86 #define TCO_DAT_IN              0x02 /* TCO Data In (DO NOT USE) */
   87 #define TCO_DAT_OUT             0x03 /* TCO Data Out (DO NOT USE) */
   88 #define TCO1_STS                0x04 /* TCO Status 1 */
   89 #define TCO2_STS                0x06 /* TCO Status 2 */
   90 #define TCO1_CNT                0x08 /* TCO Control 1 */
   91 
   92 /* bit definitions for SMI_EN and SMI_STS */
   93 #define SMI_TCO_EN              0x2000
   94 #define SMI_TCO_STS             0x2000
   95 
   96 /* timer value mask for TCO_RLD and TCO_TMR */
   97 #define TCO_TIMER_MASK          0x1f
   98 
   99 /* status bits for TCO1_STS */
  100 #define TCO_TIMEOUT             0x08 /* timed out */
  101 #define TCO_INT_STS             0x04 /* data out (DO NOT USE) */
  102 #define TCO_SMI_STS             0x02 /* data in (DO NOT USE) */
  103 
  104 /* status bits for TCO2_STS */
  105 #define TCO_BOOT_STS            0x04 /* failed to come out of reset */
  106 #define TCO_SECOND_TO_STS       0x02 /* ran down twice */
  107 
  108 /* control bits for TCO1_CNT */
  109 #define TCO_TMR_HALT            0x0800 /* clear to enable WDT */
  110 #define TCO_CNT_PRESERVE        0x0200 /* preserve these bits */
  111 
  112 /* approximate length in nanoseconds of one WDT tick */
  113 #define ICHWD_TICK              600000000
  114 
  115 /* minimum / maximum timeout in WDT ticks */
  116 #define ICHWD_MIN_TIMEOUT       2
  117 #define ICHWD_MAX_TIMEOUT       63
  118 
  119 #endif

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FreeBSD/Linux Kernel Cross Reference sys/dev/ichwd/ichwd.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ichwd/ichwd.h