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