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      1 /*	$NetBSD: if_efreg.h,v 1.4 2008/04/28 20:23:52 martin 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 
    127