smc90cx6reg.h revision 159529 
1/*	$NetBSD: smc90cx6reg.h,v 1.7 1999/02/16 23:34:13 is Exp $ */
2/*	$FreeBSD: head/sys/dev/cm/smc90cx6reg.h 159529 2006-06-11 22:25:01Z fjoe $ */
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 * 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 * chip offsets and bits for the SMC Arcnet chipset.
42 */
43
44#ifndef _SMC90CXVAR_H_
45#define _SMC90CXVAR_H_
46
47#define CM_IO_PORTS 16
48#define CM_MEM_SIZE	0x800
49
50/* register offsets */
51
52#define CMSTAT	0
53#define	CMCMD	1
54#define CMRESET 8
55
56/* memory offsets */
57#define CMCHECKBYTE 0
58#define CMMACOFF 1
59
60#define CM_TXDIS	0x01
61#define CM_RXDIS	0x02
62#define CM_TX(x)	(0x03 | ((x)<<3))
63#define CM_RX(x)	(0x04 | ((x)<<3))
64#define CM_RXBC(x)	(0x84 | ((x)<<3))
65
66#define CM_CONF(x)	(0x05 | (x))
67#define CLR_POR		0x08
68#define CLR_RECONFIG	0x10
69
70#define CM_CLR(x)	(0x06 | (x))
71#define CONF_LONG	0x08
72#define CONF_SHORT	0x00
73
74/*
75 * These are not in the COM90C65 docs. Derived from the arcnet.asm
76 * packet driver by Philippe Prindeville and Russel Nelson.
77 */
78
79#define CM_LDTST(x)	(0x07 | (x))
80#define TEST_ON		0x08
81#define TEST_OFF	0x00
82
83#define CM_TA		1	/* int mask also */
84#define CM_TMA		2
85#define CM_RECON	4	/* int mask also */
86#define CM_TEST	8		/* not in the COM90C65 docs (see above) */
87#define CM_POR		0x10	/* non maskable interrupt */
88#define CM_ET1		0x20	/* timeout value bits, normally 1 */
89#define CM_ET2		0x40	/* timeout value bits, normally 1 */
90#define CM_RI		0x80	/* int mask also */
91
92#endif
93