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/*- * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net> * All rights reserved. * * 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 AUTHOR 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 AUTHOR 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. * * $FreeBSD: release/9.1.0/sys/dev/mca/mca_busreg.h 50825 1999-09-03 03:40:00Z mdodd $ */ /* * Standardized MCA configuration information */ #define MCA_MAX_SLOTS 8 /* max number of slots per bus */ #define MCA_MB_SCSI_SLOT 8 #define MCA_MB_VIDEO_SLOT 9 #define MCA_MAX_ADAPTERS 9 /* * When an ADF file talks about a POS register * its not talking about the same index we are * so provide this to convert ADF pos register * offsets to our register offsets. (Since * to us, POS0 and POS1 are just 2 more registers */ #define MCA_ADP_POS(pos) (pos + 2) #define MCA_POS0 0 /* low byte of board ID */ #define MCA_POS1 1 /* high byte of board ID */ #define MCA_POS2 2 # define MCA_POS2_ENABLE 0x01 /* POS2, hi => adapter enabled */ #define MCA_POS3 3 #define MCA_POS4 4 #define MCA_POS5 5 # define MCA_POS5_CHCK_STAT 0x40 /* lo => CHCK status available */ # define MCA_POS5_CHCK 0x80 /* lo => adapter CHCK signal */ #define MCA_POS6 6 /* low byte of CHCK status */ #define MCA_POS7 7 /* high byte of CHCK status */ /* * MCA register addresses for IBM PS/2 */ #define MCA_SYS_CTL_A_REG 0x92 /* PS/2 System Control Port A */ #define MCA_SYS_CTL_B_REG 0x60 /* PS/2 System Control Port B */ #define MCA_ARB_REG 0x90 /* MCA Arbitration port */ #define MCA_CSF_REG 0x91 /* MCA Card Select Feedback */ /* * 0x96, 0x97 POS Registers * 0x100 - 0x107 POS Registers */ #define MCA_MB_SETUP_REG 0x94 /* Motherboard setup register */ # define MCA_MB_SETUP_DIS 0xff /* Disable motherboard setup */ # define MCA_MB_SETUP_VIDEO 0xdf # define MCA_MB_SETUP_SCSI 0xf7 /* Pri. SCSI setup reg */ # define MCA_MB_SETUP_SCSI_ALT 0xfd /* Alt. SCSI setup reg */ #define MCA_ADAP_SETUP_REG 0x96 /* Adapter setup register */ # define MCA_ADAP_SETUP_DIS 0x0 /* Disable adapter setup */ # define MCA_ADAP_SET 0x08 /* Adapter setup mode */ # define MCA_ADAP_CHR 0x80 /* Adapter channel reset */ #define MCA_POS_REG(n) (0x100+(n)) /* POS registers 0-7 */