xref: /netbsd-src/sys/dev/ic/smc90cx6reg.h (revision ce099b40997c43048fb78bd578195f81d2456523)
1 /*	$NetBSD: smc90cx6reg.h,v 1.10 2008/04/28 20:23:51 martin 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  *
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  * chip offsets and bits for the SMC Arcnet chipset.
34  */
35 
36 #ifndef _SMC90CXVAR_H_
37 #define _SMC90CXVAR_H_
38 
39 /* register offsets */
40 
41 #define BAHSTAT	0
42 #define	BAHCMD	1
43 
44 /* memory offsets */
45 #define BAHCHECKBYTE 0
46 #define BAHMACOFF 1
47 
48 #define BAH_TXDIS	0x01
49 #define BAH_RXDIS	0x02
50 #define BAH_TX(x)	(0x03 | ((x)<<3))
51 #define BAH_RX(x)	(0x04 | ((x)<<3))
52 #define BAH_RXBC(x)	(0x84 | ((x)<<3))
53 
54 #define BAH_CONF(x)  	(0x05 | (x))
55 #define CLR_POR		0x08
56 #define CLR_RECONFIG	0x10
57 
58 #define BAH_CLR(x)	(0x06 | (x))
59 #define CONF_LONG	0x08
60 #define CONF_SHORT	0x00
61 
62 /*
63  * These are not in the COM90C65 docs. Derived from the arcnet.asm
64  * packet driver by Philippe Prindeville and Russel Nelson.
65  */
66 
67 #define BAH_LDTST(x)	(0x07 | (x))
68 #define TEST_ON		0x08
69 #define TEST_OFF	0x00
70 
71 #define BAH_TA		1	/* int mask also */
72 #define BAH_TMA		2
73 #define BAH_RECON	4	/* int mask also */
74 #define BAH_TEST	8	/* not in the COM90C65 docs (see above) */
75 #define BAH_POR		0x10	/* non maskable interrupt */
76 #define BAH_ET1		0x20	/* timeout value bits, normally 1 */
77 #define BAH_ET2		0x40	/* timeout value bits, normally 1 */
78 #define BAH_RI		0x80	/* int mask also */
79 
80 #endif
81