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      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