150825Smdodd/*- 250825Smdodd * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net> 350825Smdodd * All rights reserved. 450825Smdodd * 550825Smdodd * Redistribution and use in source and binary forms, with or without 650825Smdodd * modification, are permitted provided that the following conditions 750825Smdodd * are met: 850825Smdodd * 1. Redistributions of source code must retain the above copyright 950825Smdodd * notice, this list of conditions and the following disclaimer. 1050825Smdodd * 2. Redistributions in binary form must reproduce the above copyright 1150825Smdodd * notice, this list of conditions and the following disclaimer in the 1250825Smdodd * documentation and/or other materials provided with the distribution. 1350825Smdodd * 1450825Smdodd * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1550825Smdodd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1650825Smdodd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1750825Smdodd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1850825Smdodd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1950825Smdodd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2050825Smdodd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2150825Smdodd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2250825Smdodd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2350825Smdodd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2450825Smdodd * SUCH DAMAGE. 2550825Smdodd * 2650825Smdodd * $FreeBSD: releng/10.2/sys/dev/mca/mca_busreg.h 50825 1999-09-03 03:40:00Z mdodd $ 2750825Smdodd */ 2850825Smdodd 2950825Smdodd/* 3050825Smdodd * Standardized MCA configuration information 3150825Smdodd */ 3250825Smdodd 3350825Smdodd#define MCA_MAX_SLOTS 8 /* max number of slots per bus */ 3450825Smdodd#define MCA_MB_SCSI_SLOT 8 3550825Smdodd#define MCA_MB_VIDEO_SLOT 9 3650825Smdodd#define MCA_MAX_ADAPTERS 9 3750825Smdodd 3850825Smdodd/* 3950825Smdodd * When an ADF file talks about a POS register 4050825Smdodd * its not talking about the same index we are 4150825Smdodd * so provide this to convert ADF pos register 4250825Smdodd * offsets to our register offsets. (Since 4350825Smdodd * to us, POS0 and POS1 are just 2 more registers 4450825Smdodd */ 4550825Smdodd 4650825Smdodd#define MCA_ADP_POS(pos) (pos + 2) 4750825Smdodd 4850825Smdodd#define MCA_POS0 0 /* low byte of board ID */ 4950825Smdodd#define MCA_POS1 1 /* high byte of board ID */ 5050825Smdodd#define MCA_POS2 2 5150825Smdodd# define MCA_POS2_ENABLE 0x01 /* POS2, hi => adapter enabled */ 5250825Smdodd#define MCA_POS3 3 5350825Smdodd#define MCA_POS4 4 5450825Smdodd#define MCA_POS5 5 5550825Smdodd# define MCA_POS5_CHCK_STAT 0x40 /* lo => CHCK status available */ 5650825Smdodd# define MCA_POS5_CHCK 0x80 /* lo => adapter CHCK signal */ 5750825Smdodd#define MCA_POS6 6 /* low byte of CHCK status */ 5850825Smdodd#define MCA_POS7 7 /* high byte of CHCK status */ 5950825Smdodd 6050825Smdodd/* 6150825Smdodd * MCA register addresses for IBM PS/2 6250825Smdodd */ 6350825Smdodd 6450825Smdodd#define MCA_SYS_CTL_A_REG 0x92 /* PS/2 System Control Port A */ 6550825Smdodd#define MCA_SYS_CTL_B_REG 0x60 /* PS/2 System Control Port B */ 6650825Smdodd#define MCA_ARB_REG 0x90 /* MCA Arbitration port */ 6750825Smdodd#define MCA_CSF_REG 0x91 /* MCA Card Select Feedback */ 6850825Smdodd 6950825Smdodd/* 7050825Smdodd * 0x96, 0x97 POS Registers 7150825Smdodd * 0x100 - 0x107 POS Registers 7250825Smdodd */ 7350825Smdodd 7450825Smdodd#define MCA_MB_SETUP_REG 0x94 /* Motherboard setup register */ 7550825Smdodd# define MCA_MB_SETUP_DIS 0xff /* Disable motherboard setup */ 7650825Smdodd# define MCA_MB_SETUP_VIDEO 0xdf 7750825Smdodd# define MCA_MB_SETUP_SCSI 0xf7 /* Pri. SCSI setup reg */ 7850825Smdodd# define MCA_MB_SETUP_SCSI_ALT 0xfd /* Alt. SCSI setup reg */ 7950825Smdodd 8050825Smdodd#define MCA_ADAP_SETUP_REG 0x96 /* Adapter setup register */ 8150825Smdodd# define MCA_ADAP_SETUP_DIS 0x0 /* Disable adapter setup */ 8250825Smdodd# define MCA_ADAP_SET 0x08 /* Adapter setup mode */ 8350825Smdodd# define MCA_ADAP_CHR 0x80 /* Adapter channel reset */ 8450825Smdodd#define MCA_POS_REG(n) (0x100+(n)) /* POS registers 0-7 */ 85