/* $NetBSD: if_efreg.h,v 1.4 2008/04/28 20:23:52 martin Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Rafal K. Boni.
*
* 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.
*
* 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.
*/
/*
* Card-specific definitions and macros for the 3Com 3C507/3C507TP
*/
/*
* Register offsets (from IOBASE)
*/
/* All banks */
#define EF_CTRL 6 /* offset of general control register */
#define EF_ICTRL 10 /* offset of intr. latch clear register */
#define EF_ATTN 11 /* offset of CA register */
#define EF_MEDIA 13 /* offset of ROM & xcvr config register */
#define EF_MADDR 14 /* offset of shared memory config register */
#define EF_IRQ 15 /* offset of IRQ configuration register */
/* Bank 0 -- "*3COM*" signature */
#define EF_SIG 0 /* offset of ASCII signature -- "*3COM*" */
/* Bank 1 -- ethernet address */
#define EF_ADDR 0 /* offset of card's ethernet address */
/* Bank 2 -- card part #, revision, date of manufacture */
#define EF_TYPE 0 /* offset of card part # */
#define EF_TYPE_HI 0 /* offset of card part # -- high byte */
#define EF_TYPE_MID 1 /* offset of card part # -- middle byte */
#define EF_TYPE_LOW 2 /* offset of card part # -- low byte */
#define EF_REV 3 /* offset of card revision, in BCD */
#define EF_DOM_DAY 4 /* offset of date of manf: day in BCD */
#define EF_DOM_MY 4 /* offset of date of manf: month, year in BCD */
/*
* Definitions for non-bankswitched registers
*/
/* General control register */
#define EF_CTRL_BNK0 0x00 /* register bank 0 */
#define EF_CTRL_BNK1 0x01 /* register bank 1 */
#define EF_CTRL_BNK2 0x02 /* register bank 2 */
#define EF_CTRL_IEN 0x04 /* interrupt enable */
#define EF_CTRL_INTL 0x08 /* interrupt active latch */
#define EF_CTRL_16BIT 0x10 /* bus width; clear = 8-bit, set = 16-bit */
#define EF_CTRL_LOOP 0x20 /* loopback mode */
#define EF_CTRL_NRST 0x80 /* turn off to reset */
#define EF_CTRL_RESET (EF_CTRL_LOOP)
#define EF_CTRL_NORMAL (EF_CTRL_NRST | EF_CTRL_IEN | EF_CTRL_BNK1)
/* ROM & media control register */
#define EF_MEDIA_MASK 0x80 /* m1 = (EF_MEDIA register) & EF_MEDIA_MASK */
#define EF_MEDIA_SHIFT 7 /* media index = m1 >> EF_MEDIA_SHIFT */
/* shared memory control register */
#define EF_MADDR_HIGH 0x20 /* memory mapping above 15Meg */
#define EF_MADDR_MASK 0x1c /* m1 = (EF_MADDR register) & EF_MADDR_MASK */
#define EF_MADDR_SHIFT 12 /* m2 = m1 << EF_MADDR_SHIFT */
#define EF_MADDR_BASE 0xc0000 /* maddr = m2 + EF_MADDR_BASE */
#define EF_MSIZE_MASK 0x03 /* m1 = (EF_MADDR register) & EF_MSIZE_MASK */
#define EF_MSIZE_STEP 16384 /* msize = (m1 + 1) * EF_MSIZE_STEP */
/* interrupt control register */
#define EF_IRQ_MASK 0x0f /* irq = (EF_IRQ register) & EF_IRQ_MASK */
/*
* Definitions for Bank 0 registers
*/
#define EF_SIG_LEN 6 /* signature length */
#define EF_SIGNATURE "*3COM*"
/*
* Definitions for Bank 1 registers
*/
#define EF_ADDR_LEN 6 /* ether address length */
/*
* Definitions for Bank 2 registers
*/
#define EF_TYPE_LEN 3 /* card part # length */
/*
* General card-specific macros and definitions
*/
#define EF_IOBASE_LOW 0x200
#define EF_IOBASE_HIGH 0x3e0
#define EF_IOSIZE 16
/*
* XXX: It seems that the 3C507-TP is differentiated from AUI/BNC 3C507
* by part numbers, but I'm not sure how accurate this test is, seeing
* as it's based on the sample of 3 cards I own (2AUI/BNC, 1 TP).
*/
#define EF_IS_TP(type) ((type)[EF_TYPE_MID] > 0x70)
#define EF_CARD_BNC 0 /* regular AUI/BNC 3C507 */
#define EF_CARD_TP 1 /* 3C507-TP -- no AUI/BNC */