smc90cx6reg.h revision 331722 
1/*	$NetBSD: smc90cx6reg.h,v 1.7 1999/02/16 23:34:13 is Exp $ */
2/*	$FreeBSD: stable/11/sys/dev/cm/smc90cx6reg.h 331722 2018-03-29 02:50:57Z eadler $ */
3
4/*-
5 * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Ignatios Souvatzis.
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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * chip offsets and bits for the SMC Arcnet chipset.
35 */
36
37#ifndef _SMC90CXVAR_H_
38#define _SMC90CXVAR_H_
39
40#define CM_IO_PORTS 16
41#define CM_MEM_SIZE	0x800
42
43/* register offsets */
44
45#define CMSTAT	0
46#define	CMCMD	1
47#define CMRESET 8
48
49/* memory offsets */
50#define CMCHECKBYTE 0
51#define CMMACOFF 1
52
53#define CM_TXDIS	0x01
54#define CM_RXDIS	0x02
55#define CM_TX(x)	(0x03 | ((x)<<3))
56#define CM_RX(x)	(0x04 | ((x)<<3))
57#define CM_RXBC(x)	(0x84 | ((x)<<3))
58
59#define CM_CONF(x)	(0x05 | (x))
60#define CLR_POR		0x08
61#define CLR_RECONFIG	0x10
62
63#define CM_CLR(x)	(0x06 | (x))
64#define CONF_LONG	0x08
65#define CONF_SHORT	0x00
66
67/*
68 * These are not in the COM90C65 docs. Derived from the arcnet.asm
69 * packet driver by Philippe Prindeville and Russel Nelson.
70 */
71
72#define CM_LDTST(x)	(0x07 | (x))
73#define TEST_ON		0x08
74#define TEST_OFF	0x00
75
76#define CM_TA		1	/* int mask also */
77#define CM_TMA		2
78#define CM_RECON	4	/* int mask also */
79#define CM_TEST	8		/* not in the COM90C65 docs (see above) */
80#define CM_POR		0x10	/* non maskable interrupt */
81#define CM_ET1		0x20	/* timeout value bits, normally 1 */
82#define CM_ET2		0x40	/* timeout value bits, normally 1 */
83#define CM_RI		0x80	/* int mask also */
84
85#endif
86