sys/arch/rs6000/include/bus.h

   1 /*      $NetBSD: bus.h,v 1.1 2007/12/17 19:09:09 garbled Exp $  */
   2 /*-
   3  * Copyright (c) 2007 The NetBSD Foundation, Inc.
   4  * All rights reserved.
   5  *
   6  * This code is derived from software contributed to The NetBSD Foundation
   7  * by
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef _RS6000_BUS_H_
  32 #define _RS6000_BUS_H_
  33
  34 /*
  35  * Values for the Be bus space tag, not to be used directly by MI code.
  36  */
  37 #define RS6000_BUS_SPACE_IO     0xC0000000      /* i/o space */
  38 #define RS6000_BUS_SPACE_MEM    0xC0000000      /* mem space */
  39
  40 /*
  41  * Address conversion as seen from a PCI master.
  42  */
  43 #define MPC105_DIRECT_MAPPED_SPACE      0xC0000000
  44 #define PHYS_TO_BUS_MEM(t, x)   ((x) | MPC105_DIRECT_MAPPED_SPACE)
  45 #define BUS_MEM_TO_PHYS(t, x)   ((x) & ~MPC105_DIRECT_MAPPED_SPACE)
  46
  47 #ifdef _KERNEL
  48 extern struct powerpc_bus_space rs6000_iocc0_io_space_tag;
  49 #endif
  50
  51 #include <powerpc/bus.h>
  52
  53 #endif /* _RS6000_BUS_H_ */