xref: /netbsd/sys/dev/ic/smc90cx6reg.h (revision bf9ec67e)
1 /*	$NetBSD: smc90cx6reg.h,v 1.7 1999/02/16 23:34:13 is Exp $ */
2 
3 /*-
4  * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Ignatios Souvatzis.
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * chip offsets and bits for the SMC Arcnet chipset.
41  */
42 
43 #ifndef _SMC90CXVAR_H_
44 #define _SMC90CXVAR_H_
45 
46 /* register offsets */
47 
48 #define BAHSTAT	0
49 #define	BAHCMD	1
50 
51 /* memory offsets */
52 #define BAHCHECKBYTE 0
53 #define BAHMACOFF 1
54 
55 #define BAH_TXDIS	0x01
56 #define BAH_RXDIS	0x02
57 #define BAH_TX(x)	(0x03 | ((x)<<3))
58 #define BAH_RX(x)	(0x04 | ((x)<<3))
59 #define BAH_RXBC(x)	(0x84 | ((x)<<3))
60 
61 #define BAH_CONF(x)  	(0x05 | (x))
62 #define CLR_POR		0x08
63 #define CLR_RECONFIG	0x10
64 
65 #define BAH_CLR(x)	(0x06 | (x))
66 #define CONF_LONG	0x08
67 #define CONF_SHORT	0x00
68 
69 /*
70  * These are not in the COM90C65 docs. Derived from the arcnet.asm
71  * packet driver by Philippe Prindeville and Russel Nelson.
72  */
73 
74 #define BAH_LDTST(x)	(0x07 | (x))
75 #define TEST_ON		0x08
76 #define TEST_OFF	0x00
77 
78 #define BAH_TA		1	/* int mask also */
79 #define BAH_TMA		2
80 #define BAH_RECON	4	/* int mask also */
81 #define BAH_TEST	8	/* not in the COM90C65 docs (see above) */
82 #define BAH_POR		0x10	/* non maskable interrupt */
83 #define BAH_ET1		0x20	/* timeout value bits, normally 1 */
84 #define BAH_ET2		0x40	/* timeout value bits, normally 1 */
85 #define BAH_RI		0x80	/* int mask also */
86 
87 #endif
88