84 lines
3.2 KiB
C
84 lines
3.2 KiB
C
/* $NetBSD: uba_common.h,v 1.3 2003/08/07 16:30:15 agc Exp $ */
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/*-
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* Copyright (c) 1982, 1986 The Regents of the University of California.
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* All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ubareg.h 7.8 (Berkeley) 5/9/91
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*/
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/*
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* VAX-specific parts of the Unibus softc.
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*/
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struct uba_regs;
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struct uba_vsoftc {
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struct uba_softc uv_sc;/* Common vars from dev/qbus/ubavar.h */
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struct vax_bus_dma_tag uv_dmat;
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struct vax_sgmap uv_sgmap;
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int uv_size; /* Size of UBA addressable memory */
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paddr_t uv_addr; /* Physical address of map registers */
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struct uba_regs *uv_uba;/* Where applicable */
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int uh_ibase;
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int uh_zvtime;
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int uh_zvtotal;
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int uh_zvcnt;
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};
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/*
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* Size of unibus memory address space in pages
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* (also number of map registers).
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*/
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#define UBAPAGES 496
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#define UBAIOADDR 0760000 /* start of I/O page */
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#define UBAIOPAGES 16
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/*
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* DW780/DW750 hardware registers
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*/
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struct uba_regs {
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int uba_cnfgr; /* configuration register */
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int uba_cr; /* control register */
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int uba_sr; /* status register */
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int uba_dcr; /* diagnostic control register */
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int uba_fmer; /* failed map entry register */
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int uba_fubar; /* failed UNIBUS address register */
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int pad1[2];
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int uba_brsvr[4];
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int uba_brrvr[4]; /* receive vector registers */
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int uba_dpr[16]; /* buffered data path register */
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int pad2[480];
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struct pte uba_map[UBAPAGES]; /* unibus map register */
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int pad3[UBAIOPAGES]; /* no maps for device address space */
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};
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void uba_dma_init __P((struct uba_vsoftc *));
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