sys/dev/isa/if_efreg.h

   1 /*      $NetBSD: if_efreg.h,v 1.3 1998/02/28 20:43:28 pk Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Rafal K. Boni.
   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  * Card-specific definitions and macros for the 3Com 3C507/3C507TP
  34  */
  35
  36 /*
  37  * Register offsets (from IOBASE)
  38  */
  39
  40 /* All banks */
  41 #define EF_CTRL         6       /* offset of general control register */
  42 #define EF_ICTRL        10      /* offset of intr. latch clear register */
  43 #define EF_ATTN         11      /* offset of CA register */
  44 #define EF_MEDIA        13      /* offset of ROM & xcvr config register */
  45 #define EF_MADDR        14      /* offset of shared memory config register */
  46 #define EF_IRQ          15      /* offset of IRQ configuration register */
  47
  48 /* Bank 0 -- "*3COM*" signature */
  49 #define EF_SIG          0       /* offset of ASCII signature -- "*3COM*" */
  50
  51 /* Bank 1 -- ethernet address */
  52 #define EF_ADDR         0       /* offset of card's ethernet address */
  53
  54 /* Bank 2 -- card part #, revision, date of manufacture */
  55 #define EF_TYPE         0       /* offset of card part # */
  56 #define EF_TYPE_HI      0       /* offset of card part # -- high byte */
  57 #define EF_TYPE_MID     1       /* offset of card part # -- middle byte */
  58 #define EF_TYPE_LOW     2       /* offset of card part # -- low byte */
  59 #define EF_REV          3       /* offset of card revision, in BCD */
  60 #define EF_DOM_DAY      4       /* offset of date of manf: day in BCD */
  61 #define EF_DOM_MY       4       /* offset of date of manf: month, year in BCD */
  62
  63 /*
  64  * Definitions for non-bankswitched registers
  65  */
  66
  67 /* General control register */
  68 #define EF_CTRL_BNK0    0x00    /* register bank 0 */
  69 #define EF_CTRL_BNK1    0x01    /* register bank 1 */
  70 #define EF_CTRL_BNK2    0x02    /* register bank 2 */
  71 #define EF_CTRL_IEN     0x04    /* interrupt enable */
  72 #define EF_CTRL_INTL    0x08    /* interrupt active latch */
  73 #define EF_CTRL_16BIT   0x10    /* bus width; clear = 8-bit, set = 16-bit */
  74 #define EF_CTRL_LOOP    0x20    /* loopback mode */
  75 #define EF_CTRL_NRST    0x80    /* turn off to reset */
  76 #define EF_CTRL_RESET   (EF_CTRL_LOOP)
  77 #define EF_CTRL_NORMAL  (EF_CTRL_NRST | EF_CTRL_IEN | EF_CTRL_BNK1)
  78
  79 /* ROM & media control register */
  80 #define EF_MEDIA_MASK   0x80    /* m1 = (EF_MEDIA register) & EF_MEDIA_MASK */
  81 #define EF_MEDIA_SHIFT  7       /* media index = m1 >> EF_MEDIA_SHIFT */
  82
  83 /* shared memory control register */
  84 #define EF_MADDR_HIGH   0x20    /* memory mapping above 15Meg */
  85 #define EF_MADDR_MASK   0x1c    /* m1 = (EF_MADDR register) & EF_MADDR_MASK */
  86 #define EF_MADDR_SHIFT  12      /* m2 = m1 << EF_MADDR_SHIFT  */
  87 #define EF_MADDR_BASE   0xc0000 /* maddr = m2 + EF_MADDR_BASE */
  88 #define EF_MSIZE_MASK   0x03    /* m1 = (EF_MADDR register) & EF_MSIZE_MASK */
  89 #define EF_MSIZE_STEP   16384   /* msize = (m1 + 1) * EF_MSIZE_STEP */
  90
  91 /* interrupt control register */
  92 #define EF_IRQ_MASK     0x0f    /* irq = (EF_IRQ register) & EF_IRQ_MASK */
  93
  94 /*
  95  * Definitions for Bank 0 registers
  96  */
  97 #define EF_SIG_LEN      6       /* signature length */
  98 #define EF_SIGNATURE    "*3COM*"
  99
 100 /*
 101  * Definitions for Bank 1 registers
 102  */
 103 #define EF_ADDR_LEN     6       /* ether address length */
 104
 105 /*
 106  * Definitions for Bank 2 registers
 107  */
 108 #define EF_TYPE_LEN     3       /* card part # length */
 109
 110 /*
 111  * General card-specific macros and definitions
 112  */
 113 #define EF_IOBASE_LOW   0x200
 114 #define EF_IOBASE_HIGH  0x3e0
 115 #define EF_IOSIZE       16
 116
 117 /*
 118  * XXX: It seems that the 3C507-TP is differentiated from AUI/BNC 3C507
 119  * by part numbers, but I'm not sure how accurate this test is, seeing
 120  * as it's based on the sample of 3 cards I own (2AUI/BNC, 1 TP).
 121  */
 122 #define EF_IS_TP(type)  ((type)[EF_TYPE_MID] > 0x70)
 123
 124 #define EF_CARD_BNC     0       /* regular AUI/BNC 3C507 */
 125 #define EF_CARD_TP      1       /* 3C507-TP -- no AUI/BNC */
 126