FreeBSD/Linux Kernel Cross Reference
sys/dev/mca/3c523reg.h

     /*      $NetBSD: 3c523reg.h,v 1.1 2001/03/16 23:03:15 jdolecek Exp $    */
     
     /*-
      * Copyright (c) 2001 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the NetBSD
     *      Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    /*
     * The 3c523 i/o space is 8 bytes long. The first 6 bytes is the ethernet
     * address, followed by control & status register and card's revision number.
     */
    #define ELMC_IOADDR_BASE        0x300
    #define ELMC_IOADDR_SIZE        8
    #define ELMC_CTRL               6       /* control & status register */
    #define ELMC_REVISION           7       /* revision, first 4 bits only */
    #define ELMC_REVISION_MASK      0xf
    
    /*
     * The following define the bits for the control & status register.
     *
     * The bank select registers can be used if there is more than 16KB
     * of memory on the card. Bank 3 is the one for the bottom 16KB
     * (i.e. the common size), but the card defaults to bank 0. Hence we
     * need to set the bank to 3 to make the card operate at all.
     */
    #define ELMC_CTRL_BS0           0x01    /* RW bank select */
    #define ELMC_CTRL_BS1           0x02    /* RW bank select */
    #define ELMC_CTRL_BS3           (ELMC_CTRL_BS0|ELMC_CTRL_BS1)   /* shortcut */
    #define ELMC_CTRL_INT           0x04    /* RW interrupt enable, assert high */
    #define ELMC_CTRL_LOOP          0x20    /* RW loopback enable, assert high */
    #define ELMC_CTRL_CHA           0x40    /* RW channel attention, assert high */
    #define ELMC_CTRL_RST           0x80    /* RW 82586 reset, assert low */
    
    /*
     * The base memory space address is 0xc0000 (see 3c523 docs). The card
     * has actually 24KB of memory, but we only use first 16KB -
     * the upper 8KB is card's BIOS.
     */
    #define ELMC_MADDR_BASE         0x0c0000
    #define ELMC_MADDR_SIZE         0x4000          /* use only 16K of shared mem */
    

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