The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/isa/if_efreg.h

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    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  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by the NetBSD
   21  *      Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 /*
   40  * Card-specific definitions and macros for the 3Com 3C507/3C507TP
   41  */
   42 
   43 /*
   44  * Register offsets (from IOBASE)
   45  */
   46 
   47 /* All banks */
   48 #define EF_CTRL         6       /* offset of general control register */
   49 #define EF_ICTRL        10      /* offset of intr. latch clear register */
   50 #define EF_ATTN         11      /* offset of CA register */
   51 #define EF_MEDIA        13      /* offset of ROM & xcvr config register */
   52 #define EF_MADDR        14      /* offset of shared memory config register */
   53 #define EF_IRQ          15      /* offset of IRQ configuration register */
   54 
   55 /* Bank 0 -- "*3COM*" signature */
   56 #define EF_SIG          0       /* offset of ASCII signature -- "*3COM*" */
   57 
   58 /* Bank 1 -- ethernet address */
   59 #define EF_ADDR         0       /* offset of card's ethernet address */
   60 
   61 /* Bank 2 -- card part #, revision, date of manufacture */
   62 #define EF_TYPE         0       /* offset of card part # */
   63 #define EF_TYPE_HI      0       /* offset of card part # -- high byte */
   64 #define EF_TYPE_MID     1       /* offset of card part # -- middle byte */
   65 #define EF_TYPE_LOW     2       /* offset of card part # -- low byte */
   66 #define EF_REV          3       /* offset of card revision, in BCD */
   67 #define EF_DOM_DAY      4       /* offset of date of manf: day in BCD */
   68 #define EF_DOM_MY       4       /* offset of date of manf: month, year in BCD */
   69 
   70 /*
   71  * Definitions for non-bankswitched registers
   72  */
   73 
   74 /* General control register */
   75 #define EF_CTRL_BNK0    0x00    /* register bank 0 */
   76 #define EF_CTRL_BNK1    0x01    /* register bank 1 */
   77 #define EF_CTRL_BNK2    0x02    /* register bank 2 */
   78 #define EF_CTRL_IEN     0x04    /* interrupt enable */
   79 #define EF_CTRL_INTL    0x08    /* interrupt active latch */
   80 #define EF_CTRL_16BIT   0x10    /* bus width; clear = 8-bit, set = 16-bit */
   81 #define EF_CTRL_LOOP    0x20    /* loopback mode */
   82 #define EF_CTRL_NRST    0x80    /* turn off to reset */
   83 #define EF_CTRL_RESET   (EF_CTRL_LOOP)
   84 #define EF_CTRL_NORMAL  (EF_CTRL_NRST | EF_CTRL_IEN | EF_CTRL_BNK1)
   85 
   86 /* ROM & media control register */
   87 #define EF_MEDIA_MASK   0x80    /* m1 = (EF_MEDIA register) & EF_MEDIA_MASK */
   88 #define EF_MEDIA_SHIFT  7       /* media index = m1 >> EF_MEDIA_SHIFT */
   89 
   90 /* shared memory control register */
   91 #define EF_MADDR_HIGH   0x20    /* memory mapping above 15Meg */
   92 #define EF_MADDR_MASK   0x1c    /* m1 = (EF_MADDR register) & EF_MADDR_MASK */
   93 #define EF_MADDR_SHIFT  12      /* m2 = m1 << EF_MADDR_SHIFT  */
   94 #define EF_MADDR_BASE   0xc0000 /* maddr = m2 + EF_MADDR_BASE */
   95 #define EF_MSIZE_MASK   0x03    /* m1 = (EF_MADDR register) & EF_MSIZE_MASK */
   96 #define EF_MSIZE_STEP   16384   /* msize = (m1 + 1) * EF_MSIZE_STEP */
   97 
   98 /* interrupt control register */
   99 #define EF_IRQ_MASK     0x0f    /* irq = (EF_IRQ register) & EF_IRQ_MASK */
  100 
  101 /*
  102  * Definitions for Bank 0 registers
  103  */
  104 #define EF_SIG_LEN      6       /* signature length */
  105 #define EF_SIGNATURE    "*3COM*"
  106 
  107 /*
  108  * Definitions for Bank 1 registers
  109  */
  110 #define EF_ADDR_LEN     6       /* ether address length */
  111 
  112 /*
  113  * Definitions for Bank 2 registers
  114  */
  115 #define EF_TYPE_LEN     3       /* card part # length */
  116 
  117 /*
  118  * General card-specific macros and definitions
  119  */
  120 #define EF_IOBASE_LOW   0x200
  121 #define EF_IOBASE_HIGH  0x3e0
  122 #define EF_IOSIZE       16
  123 
  124 /*
  125  * XXX: It seems that the 3C507-TP is differentiated from AUI/BNC 3C507
  126  * by part numbers, but I'm not sure how accurate this test is, seeing
  127  * as it's based on the sample of 3 cards I own (2AUI/BNC, 1 TP).
  128  */
  129 #define EF_IS_TP(type)  ((type)[EF_TYPE_MID] > 0x70)
  130 
  131 #define EF_CARD_BNC     0       /* regular AUI/BNC 3C507 */
  132 #define EF_CARD_TP      1       /* 3C507-TP -- no AUI/BNC */
  133 

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