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/* $NetBSD: smc90cx6reg.h,v 1.7 1999/02/16 23:34:13 is Exp $ */
/* $FreeBSD$ */
/*-
* Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Ignatios Souvatzis.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* chip offsets and bits for the SMC Arcnet chipset.
*/
#ifndef _SMC90CXVAR_H_
#define _SMC90CXVAR_H_
#define CM_IO_PORTS 16
#define CM_MEM_SIZE 0x800
/* register offsets */
#define CMSTAT 0
#define CMCMD 1
#define CMRESET 8
/* memory offsets */
#define CMCHECKBYTE 0
#define CMMACOFF 1
#define CM_TXDIS 0x01
#define CM_RXDIS 0x02
#define CM_TX(x) (0x03 | ((x)<<3))
#define CM_RX(x) (0x04 | ((x)<<3))
#define CM_RXBC(x) (0x84 | ((x)<<3))
#define CM_CONF(x) (0x05 | (x))
#define CLR_POR 0x08
#define CLR_RECONFIG 0x10
#define CM_CLR(x) (0x06 | (x))
#define CONF_LONG 0x08
#define CONF_SHORT 0x00
/*
* These are not in the COM90C65 docs. Derived from the arcnet.asm
* packet driver by Philippe Prindeville and Russel Nelson.
*/
#define CM_LDTST(x) (0x07 | (x))
#define TEST_ON 0x08
#define TEST_OFF 0x00
#define CM_TA 1 /* int mask also */
#define CM_TMA 2
#define CM_RECON 4 /* int mask also */
#define CM_TEST 8 /* not in the COM90C65 docs (see above) */
#define CM_POR 0x10 /* non maskable interrupt */
#define CM_ET1 0x20 /* timeout value bits, normally 1 */
#define CM_ET2 0x40 /* timeout value bits, normally 1 */
#define CM_RI 0x80 /* int mask also */
#endif
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