1 /* $NetBSD: smc90cx6reg.h,v 1.7 1999/02/16 23:34:13 is Exp $ */ 2 /* $FreeBSD$ */ 3 4 /*- 5 * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Ignatios Souvatzis. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * chip offsets and bits for the SMC Arcnet chipset. 35 */ 36 37 #ifndef _SMC90CXVAR_H_ 38 #define _SMC90CXVAR_H_ 39 40 #define CM_IO_PORTS 16 41 #define CM_MEM_SIZE 0x800 42 43 /* register offsets */ 44 45 #define CMSTAT 0 46 #define CMCMD 1 47 #define CMRESET 8 48 49 /* memory offsets */ 50 #define CMCHECKBYTE 0 51 #define CMMACOFF 1 52 53 #define CM_TXDIS 0x01 54 #define CM_RXDIS 0x02 55 #define CM_TX(x) (0x03 | ((x)<<3)) 56 #define CM_RX(x) (0x04 | ((x)<<3)) 57 #define CM_RXBC(x) (0x84 | ((x)<<3)) 58 59 #define CM_CONF(x) (0x05 | (x)) 60 #define CLR_POR 0x08 61 #define CLR_RECONFIG 0x10 62 63 #define CM_CLR(x) (0x06 | (x)) 64 #define CONF_LONG 0x08 65 #define CONF_SHORT 0x00 66 67 /* 68 * These are not in the COM90C65 docs. Derived from the arcnet.asm 69 * packet driver by Philippe Prindeville and Russel Nelson. 70 */ 71 72 #define CM_LDTST(x) (0x07 | (x)) 73 #define TEST_ON 0x08 74 #define TEST_OFF 0x00 75 76 #define CM_TA 1 /* int mask also */ 77 #define CM_TMA 2 78 #define CM_RECON 4 /* int mask also */ 79 #define CM_TEST 8 /* not in the COM90C65 docs (see above) */ 80 #define CM_POR 0x10 /* non maskable interrupt */ 81 #define CM_ET1 0x20 /* timeout value bits, normally 1 */ 82 #define CM_ET2 0x40 /* timeout value bits, normally 1 */ 83 #define CM_RI 0x80 /* int mask also */ 84 85 #endif 86