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/* $OpenBSD: ubareg.h,v 1.14 2011/07/06 18:32:59 miod Exp $ */
/* $NetBSD: ubareg.h,v 1.11 2000/01/24 02:40:36 matt Exp $ */
/*-
* Copyright (c) 1982, 1986 The Regents of the University of California.
* All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)ubareg.h 7.8 (Berkeley) 5/9/91
*/
/*
* VAX UNIBUS adapter registers
*/
/*
* Size of unibus memory address space in pages
* (also number of map registers).
* QBAPAGES should be 8192, but we don't need nearly that much
* address space, and the return from the allocation routine
* can accommodate at most 2047 (ubavar.h: UBA_MAXMR);
* QBAPAGES must be at least UBAPAGES. Choose pragmatically.
*
* Is there ever any need to have QBAPAGES != UBAPAGES???
* Wont work now anyway, QBAPAGES _must_ be .eq. UBAPAGES.
*/
#define UBAPAGES 496
#define NUBMREG 496
#define QBAPAGES 1024
#define UBAIOADDR 0760000 /* start of I/O page */
#define UBAIOPAGES 16
#if !defined(_LOCORE) && !defined(UBA_REGS_DEFINED)
/*
* DW780/DW750 hardware registers
*/
struct uba_regs {
int uba_cnfgr; /* configuration register */
int uba_cr; /* control register */
int uba_sr; /* status register */
int uba_dcr; /* diagnostic control register */
int uba_fmer; /* failed map entry register */
int uba_fubar; /* failed UNIBUS address register */
int pad1[2];
int uba_brsvr[4];
int uba_brrvr[4]; /* receive vector registers */
int uba_dpr[16]; /* buffered data path register */
int pad2[480];
pt_entry_t uba_map[UBAPAGES]; /* unibus map register */
int pad3[UBAIOPAGES]; /* no maps for device address space */
};
#endif
/* uba_mr[] */
#define UBAMR_MRV 0x80000000 /* map register valid */
#define UBAMR_BO 0x02000000 /* byte offset bit */
#define UBAMR_DPDB 0x01e00000 /* data path designator field */
#define UBAMR_SBIPFN 0x001fffff /* SBI page address field */
#define UBAMR_DPSHIFT 21 /* shift to data path designator */
/*
* Number of unibus buffered data paths and possible uba's per cpu type.
*/
#define NBDPBUA 5
#define MAXNBDP 15
/*
* Symbolic BUS addresses for UBAs.
*/
#if VAX630 || VAX650 || VAX60
#define QBAMAP 0x20088000
#define QMEM 0x30000000
#define QIOPAGE 0x20000000
/*
* Q-bus control registers
*/
#define QIPCR 0x1f40 /* from start of iopage */
/* bits in QIPCR */
#define Q_DBIRQ 0x0001 /* doorbell interrupt request */
#define Q_LMEAE 0x0020 /* local mem external access enable */
#define Q_DBIIE 0x0040 /* doorbell interrupt enable */
#define Q_AUXHLT 0x0100 /* auxiliary processor halt */
#define Q_DMAQPE 0x8000 /* Q22 bus address space parity error */
#endif
/*
* Macro to offset a UNIBUS device address, often expressed as
* something like 0172520, by forcing it into the last 8K
* of UNIBUS memory space.
*/
#define ubdevreg(addr) ((addr) & 017777)
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