1 /* $NetBSD: uba_common.h,v 1.2 1999/06/21 16:23:01 ragge Exp $ */ 2 /*- 3 * Copyright (c) 1982, 1986 The Regents of the University of California. 4 * All rights reserved. 5 * (c) UNIX System Laboratories, Inc. 6 * All or some portions of this file are derived from material licensed 7 * to the University of California by American Telephone and Telegraph 8 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 9 * the permission of UNIX System Laboratories, Inc. 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)ubareg.h 7.8 (Berkeley) 5/9/91 40 */ 41 42 /* 43 * VAX-specific parts of the Unibus softc. 44 */ 45 struct uba_regs; 46 47 struct uba_vsoftc { 48 struct uba_softc uv_sc;/* Common vars from dev/qbus/ubavar.h */ 49 struct vax_bus_dma_tag uv_dmat; 50 struct vax_sgmap uv_sgmap; 51 int uv_size; /* Size of UBA addressable memory */ 52 paddr_t uv_addr; /* Physical address of map registers */ 53 struct uba_regs *uv_uba;/* Where applicable */ 54 int uh_ibase; 55 int uh_zvtime; 56 int uh_zvtotal; 57 int uh_zvcnt; 58 }; 59 60 /* 61 * Size of unibus memory address space in pages 62 * (also number of map registers). 63 */ 64 #define UBAPAGES 496 65 #define UBAIOADDR 0760000 /* start of I/O page */ 66 #define UBAIOPAGES 16 67 68 /* 69 * DW780/DW750 hardware registers 70 */ 71 struct uba_regs { 72 int uba_cnfgr; /* configuration register */ 73 int uba_cr; /* control register */ 74 int uba_sr; /* status register */ 75 int uba_dcr; /* diagnostic control register */ 76 int uba_fmer; /* failed map entry register */ 77 int uba_fubar; /* failed UNIBUS address register */ 78 int pad1[2]; 79 int uba_brsvr[4]; 80 int uba_brrvr[4]; /* receive vector registers */ 81 int uba_dpr[16]; /* buffered data path register */ 82 int pad2[480]; 83 struct pte uba_map[UBAPAGES]; /* unibus map register */ 84 int pad3[UBAIOPAGES]; /* no maps for device address space */ 85 }; 86 87 void uba_dma_init __P((struct uba_vsoftc *)); 88