The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/sparc64/sbus/sbusvar.h

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    1 /*-
    2  * Copyright (c) 1998 The NetBSD Foundation, Inc.
    3  * All rights reserved.
    4  *
    5  * This code is derived from software contributed to The NetBSD Foundation
    6  * by Paul Kranenburg.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   27  * POSSIBILITY OF SUCH DAMAGE.
   28  */
   29 /*-
   30  * Copyright (c) 1992, 1993
   31  *      The Regents of the University of California.  All rights reserved.
   32  *
   33  * This software was developed by the Computer Systems Engineering group
   34  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
   35  * contributed to Berkeley.
   36  *
   37  * All advertising materials mentioning features or use of this software
   38  * must display the following acknowledgement:
   39  *      This product includes software developed by the University of
   40  *      California, Lawrence Berkeley Laboratory.
   41  *
   42  * Redistribution and use in source and binary forms, with or without
   43  * modification, are permitted provided that the following conditions
   44  * are met:
   45  * 1. Redistributions of source code must retain the above copyright
   46  *    notice, this list of conditions and the following disclaimer.
   47  * 2. Redistributions in binary form must reproduce the above copyright
   48  *    notice, this list of conditions and the following disclaimer in the
   49  *    documentation and/or other materials provided with the distribution.
   50  * 4. Neither the name of the University nor the names of its contributors
   51  *    may be used to endorse or promote products derived from this software
   52  *    without specific prior written permission.
   53  *
   54  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   55  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   56  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   57  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   58  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   59  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   60  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   61  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   62  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   63  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   64  * SUCH DAMAGE.
   65  *
   66  *      from: @(#)sbusvar.h     8.1 (Berkeley) 6/11/93
   67  *      from: NetBSD: sbusvar.h,v 1.15 2008/04/28 20:23:36 martin Exp
   68  *
   69  * $FreeBSD: releng/9.1/sys/sparc64/sbus/sbusvar.h 219567 2011-03-12 14:33:32Z marius $
   70  */
   71 
   72 #ifndef _SPARC64_SBUS_SBUSVAR_H_
   73 #define _SPARC64_SBUS_SBUSVAR_H_
   74 
   75 /*
   76  * Macros for probe order
   77  */
   78 #define SBUS_ORDER_FIRST        10
   79 #define SBUS_ORDER_NORMAL       20
   80 
   81 /*
   82  * PROM-reported DMA burst sizes for the SBus
   83  */
   84 #define SBUS_BURST_1            (1 << 0)
   85 #define SBUS_BURST_2            (1 << 1)
   86 #define SBUS_BURST_4            (1 << 2)
   87 #define SBUS_BURST_8            (1 << 3)
   88 #define SBUS_BURST_16           (1 << 4)
   89 #define SBUS_BURST_32           (1 << 5)
   90 #define SBUS_BURST_64           (1 << 6)
   91 #define SBUS_BURST_MASK         ((1 << SBUS_BURST_SIZE) - 1)
   92 #define SBUS_BURST_SIZE         16
   93 #define SBUS_BURST64_MASK       (SBUS_BURST_MASK << SBUS_BURST64_SHIFT)
   94 #define SBUS_BURST64_SHIFT      16
   95 
   96 /* Used if no burst sizes are specified for the bus. */
   97 #define SBUS_BURST_DEF \
   98         (SBUS_BURST_1 | SBUS_BURST_2 | SBUS_BURST_4 | SBUS_BURST_8 |    \
   99         SBUS_BURST_16 | SBUS_BURST_32 | SBUS_BURST_64)
  100 #define SBUS_BURST64_DEF \
  101         (SBUS_BURST_8 | SBUS_BURST_16 | SBUS_BURST_32 | SBUS_BURST_64)
  102 
  103 enum sbus_device_ivars {
  104         SBUS_IVAR_BURSTSZ,
  105         SBUS_IVAR_CLOCKFREQ,
  106         SBUS_IVAR_IGN,
  107         SBUS_IVAR_SLOT,
  108 };
  109 
  110 /*
  111  * Simplified accessors for sbus devices
  112  */
  113 #define SBUS_ACCESSOR(var, ivar, type) \
  114         __BUS_ACCESSOR(sbus, var, SBUS, ivar, type)
  115 
  116 SBUS_ACCESSOR(burstsz,          BURSTSZ,        int)
  117 SBUS_ACCESSOR(clockfreq,        CLOCKFREQ,      int)
  118 SBUS_ACCESSOR(ign,              IGN,            int)
  119 SBUS_ACCESSOR(slot,             SLOT,           int)
  120 
  121 #undef SBUS_ACCESSOR
  122 
  123 #endif /* _SPARC64_SBUS_SBUSVAR_H_ */

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