Annotation of sys/arch/vax/uba/uba_common.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: uba_common.h,v 1.4 2003/11/10 21:05:06 miod Exp $ */
! 2: /* $NetBSD: uba_common.h,v 1.2 1999/06/21 16:23:01 ragge Exp $ */
! 3: /*-
! 4: * Copyright (c) 1982, 1986 The Regents of the University of California.
! 5: * All rights reserved.
! 6: * (c) UNIX System Laboratories, Inc.
! 7: * All or some portions of this file are derived from material licensed
! 8: * to the University of California by American Telephone and Telegraph
! 9: * Co. or Unix System Laboratories, Inc. and are reproduced herein with
! 10: * the permission of UNIX System Laboratories, Inc.
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above copyright
! 18: * notice, this list of conditions and the following disclaimer in the
! 19: * documentation and/or other materials provided with the distribution.
! 20: * 3. Neither the name of the University nor the names of its contributors
! 21: * may be used to endorse or promote products derived from this software
! 22: * without specific prior written permission.
! 23: *
! 24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 34: * SUCH DAMAGE.
! 35: *
! 36: * @(#)ubareg.h 7.8 (Berkeley) 5/9/91
! 37: */
! 38:
! 39: /*
! 40: * VAX-specific parts of the Unibus softc.
! 41: */
! 42: struct uba_regs;
! 43:
! 44: struct uba_vsoftc {
! 45: struct uba_softc uv_sc;/* Common vars from arch/vax/qbus/ubavar.h */
! 46: struct vax_bus_dma_tag uv_dmat;
! 47: struct vax_sgmap uv_sgmap;
! 48: int uv_size; /* Size of UBA addressable memory */
! 49: paddr_t uv_addr; /* Physical address of map registers */
! 50: struct uba_regs *uv_uba;/* Where applicable */
! 51: int uh_ibase;
! 52: int uh_zvtime;
! 53: int uh_zvtotal;
! 54: int uh_zvcnt;
! 55: };
! 56:
! 57: /*
! 58: * Size of unibus memory address space in pages
! 59: * (also number of map registers).
! 60: */
! 61: #define UBAPAGES 496
! 62: #define UBAIOADDR 0760000 /* start of I/O page */
! 63: #define UBAIOPAGES 16
! 64:
! 65: /*
! 66: * DW780/DW750 hardware registers
! 67: */
! 68: struct uba_regs {
! 69: int uba_cnfgr; /* configuration register */
! 70: int uba_cr; /* control register */
! 71: int uba_sr; /* status register */
! 72: int uba_dcr; /* diagnostic control register */
! 73: int uba_fmer; /* failed map entry register */
! 74: int uba_fubar; /* failed UNIBUS address register */
! 75: int pad1[2];
! 76: int uba_brsvr[4];
! 77: int uba_brrvr[4]; /* receive vector registers */
! 78: int uba_dpr[16]; /* buffered data path register */
! 79: int pad2[480];
! 80: pt_entry_t uba_map[UBAPAGES]; /* unibus map register */
! 81: int pad3[UBAIOPAGES]; /* no maps for device address space */
! 82: };
! 83:
! 84: void uba_dma_init(struct uba_vsoftc *);
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