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if_efreg.h revision 1.2
      1 /*	$NetBSD: if_efreg.h,v 1.2 1998/02/28 01:14:15 pk Exp $	*/
      2 /* 	$Id: if_efreg.h,v 1.2 1998/02/28 01:14:15 pk Exp $	*/
      3 
      4 /*-
      5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software contributed to The NetBSD Foundation
      9  * by Rafal K. Boni.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the NetBSD
     22  *	Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 /*
     41  * Card-specific definitions and macros for the 3Com 3C507/3C507TP
     42  */
     43 
     44 /*
     45  * Register offsets (from IOBASE)
     46  */
     47 
     48 /* All banks */
     49 #define	EF_CTRL		6	/* offset of general control register */
     50 #define	EF_ICTRL	10	/* offset of intr. latch clear register */
     51 #define	EF_ATTN 	11	/* offset of CA register */
     52 #define	EF_MEDIA	13	/* offset of ROM & xcvr config register */
     53 #define	EF_MADDR	14	/* offset of shared memory config register */
     54 #define	EF_IRQ		15	/* offset of IRQ configuration register */
     55 
     56 /* Bank 0 -- "*3COM*" signature */
     57 #define EF_SIG		0	/* offset of ASCII signature -- "*3COM*" */
     58 
     59 /* Bank 1 -- ethernet address */
     60 #define EF_ADDR		0	/* offset of card's ethernet address */
     61 
     62 /* Bank 2 -- card part #, revision, date of manufacture */
     63 #define	EF_TYPE		0	/* offset of card part # */
     64 #define	EF_TYPE_HI	0	/* offset of card part # -- high byte */
     65 #define EF_TYPE_MID	1	/* offset of card part # -- middle byte */
     66 #define EF_TYPE_LOW	2	/* offset of card part # -- low byte */
     67 #define EF_REV		3	/* offset of card revision, in BCD */
     68 #define EF_DOM_DAY	4	/* offset of date of manf: day in BCD */
     69 #define EF_DOM_MY	4	/* offset of date of manf: month, year in BCD */
     70 
     71 /*
     72  * Definitions for non-bankswitched registers
     73  */
     74 
     75 /* General control register */
     76 #define	EF_CTRL_BNK0	0x00	/* register bank 0 */
     77 #define	EF_CTRL_BNK1	0x01	/* register bank 1 */
     78 #define	EF_CTRL_BNK2	0x02	/* register bank 2 */
     79 #define	EF_CTRL_IEN	0x04	/* interrupt enable */
     80 #define	EF_CTRL_INTL	0x08	/* interrupt active latch */
     81 #define	EF_CTRL_16BIT	0x10	/* bus width; clear = 8-bit, set = 16-bit */
     82 #define	EF_CTRL_LOOP	0x20	/* loopback mode */
     83 #define	EF_CTRL_NRST	0x80	/* turn off to reset */
     84 #define	EF_CTRL_RESET	(EF_CTRL_LOOP)
     85 #define	EF_CTRL_NORMAL	(EF_CTRL_NRST | EF_CTRL_IEN | EF_CTRL_BNK1)
     86 
     87 /* ROM & media control register */
     88 #define EF_MEDIA_MASK	0x80	/* m1 = (EF_MEDIA register) & EF_MEDIA_MASK */
     89 #define EF_MEDIA_SHIFT	7	/* media index = m1 >> EF_MEDIA_SHIFT */
     90 
     91 /* shared memory control register */
     92 #define EF_MADDR_HIGH	0x20	/* memory mapping above 15Meg */
     93 #define EF_MADDR_MASK	0x1c	/* m1 = (EF_MADDR register) & EF_MADDR_MASK */
     94 #define EF_MADDR_SHIFT	12	/* m2 = m1 << EF_MADDR_SHIFT  */
     95 #define EF_MADDR_BASE	0xc0000	/* maddr = m2 + EF_MADDR_BASE */
     96 #define EF_MSIZE_MASK	0x03	/* m1 = (EF_MADDR register) & EF_MSIZE_MASK */
     97 #define EF_MSIZE_STEP	16384	/* msize = (m1 + 1) * EF_MSIZE_STEP */
     98 
     99 /* interrupt control register */
    100 #define EF_IRQ_MASK	0x0f	/* irq = (EF_IRQ register) & EF_IRQ_MASK */
    101 
    102 /*
    103  * Definitions for Bank 0 registers
    104  */
    105 #define EF_SIG_LEN	6	/* signature length */
    106 #define EF_SIGNATURE	"*3COM*"
    107 
    108 /*
    109  * Definitions for Bank 1 registers
    110  */
    111 #define EF_ADDR_LEN	6	/* ether address length */
    112 
    113 /*
    114  * Definitions for Bank 2 registers
    115  */
    116 #define EF_TYPE_LEN	3	/* card part # length */
    117 
    118 /*
    119  * General card-specific macros and definitions
    120  */
    121 #define EF_IOBASE_LOW	0x200
    122 #define EF_IOBASE_HIGH	0x3e0
    123 #define EF_IOSIZE	16
    124 
    125 /*
    126  * XXX: It seems that the 3C507-TP is differentiated from AUI/BNC 3C507
    127  * by part numbers, but I'm not sure how accurate this test is, seeing
    128  * as it's based on the sample of 3 cards I own (2AUI/BNC, 1 TP).
    129  */
    130 #define EF_IS_TP(type)	((type)[EF_TYPE_MID] > 0x70)
    131 
    132 #define EF_CARD_BNC	0	/* regular AUI/BNC 3C507 */
    133 #define EF_CARD_TP	1	/* 3C507-TP -- no AUI/BNC */
    134 
    135