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smc90cx6reg.h revision 1.5 
      1 /*	$NetBSD: smc90cx6reg.h,v 1.5 1998/09/02 22:32:08 is Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1994, 1995, 1998 Ignatios Souvatzis
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Ignatios Souvatzis
     18  *      for the NetBSD project.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 /*
     35  * chip offsets and bits for the SMC Arcnet chipset.
     36  */
     37 
     38 #ifndef _SMC90CXVAR_H_
     39 #define _SMC90CXVAR_H_
     40 
     41 /* register offsets */
     42 
     43 #define BAHSTAT	0
     44 #define	BAHCMD	1
     45 
     46 /* memory offsets */
     47 #define BAHCHECKBYTE 0
     48 #define BAHMACOFF 1
     49 
     50 #define BAH_TXDIS	0x01
     51 #define BAH_RXDIS	0x02
     52 #define BAH_TX(x)	(0x03 | ((x)<<3))
     53 #define BAH_RX(x)	(0x04 | ((x)<<3))
     54 #define BAH_RXBC(x)	(0x84 | ((x)<<3))
     55 
     56 #define BAH_CONF(x)  	(0x05 | (x))
     57 #define CLR_POR		0x08
     58 #define CLR_RECONFIG	0x10
     59 
     60 #define BAH_CLR(x)	(0x06 | (x))
     61 #define CONF_LONG	0x08
     62 #define CONF_SHORT	0x00
     63 
     64 /*
     65  * These are not in the COM90C65 docs. Derived from the arcnet.asm
     66  * packet driver by Philippe Prindeville and Russel Nelson.
     67  */
     68 
     69 #define BAH_LDTST(x)	(0x07 | (x))
     70 #define TEST_ON		0x08
     71 #define TEST_OFF	0x00
     72 
     73 #define BAH_TA		1	/* int mask also */
     74 #define BAH_TMA		2
     75 #define BAH_RECON	4	/* int mask also */
     76 #define BAH_TEST	8	/* not in the COM90C65 docs (see above) */
     77 #define BAH_POR		0x10	/* non maskable interrupt */
     78 #define BAH_ET1		0x20	/* timeout value bits, normally 1 */
     79 #define BAH_ET2		0x40	/* timeout value bits, normally 1 */
     80 #define BAH_RI		0x80	/* int mask also */
     81 
     82 #endif
     83