sys/arch/hp300/dev/intioreg.h

   1 /*      $NetBSD: intioreg.h,v 1.4 2006/07/19 17:21:23 tsutsui Exp $     */
   2
   3 /*-
   4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Gregory McGarry.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  *  Registers for interface to the wired devices.
  34  */
  35
  36 /* HP3xx/4xx registers */
  37 #define INTIO_DEV_3xx_PAD0      0
  38 #define INTIO_DEV_3xx_DATA      1
  39 #define INTIO_DEV_3xx_PAD1      2
  40 #define INTIO_DEV_3xx_CMD       3
  41 #define INTIO_DEV_3xx_STAT      3
  42
  43 /* HP7xx registers - XXX check these */
  44 #define INTIO_DEV_7xx_RSTHOLD   0
  45 #define INTIO_DEV_7xx_DATA      2048
  46 #define INTIO_DEV_7xx_CMD       2049
  47 #define INTIO_DEV_7xx_STAT      2049
  48 #define INTIO_DEV_7xx_RSTREL    3072
  49
  50 /* HP8xx registers - XXX check these */
  51 #define INTIO_DEV_8xx_DATA      3
  52 #define INTIO_DEV_8xx_CMD       11
  53 #define INTIO_DEV_8xx_STAT      11
  54
  55 /* Status bits */
  56 #define INTIO_DEV_DATA_READY    0x01
  57 #define INTIO_DEV_BUSY          0x02
  58 /* the top four bits specify a "service request" status code */
  59 #define INTIO_DEV_SRSHIFT       4
  60 #define INTIO_DEV_SRMASK        0x0f
  61
  62 /* Valid "service request" status codes */
  63 #define INTIO_DEV_SR_DATAAVAIL  0x04
  64 /* the specific wired device will overload the remaining bits */
  65
  66
  67 /* Base address offsets from intiobase of each device */
  68 #define FRODO_BASE      0x01c000
  69 #define RTC_BASE        0x020000
  70 #define HIL_BASE        0x028000
  71 #define HPIB_BASE       0x078000
  72 #define DMA_BASE        0x100000
  73 #define FB_BASE         0x160000