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      1 /* $NetBSD: prep_bus_defs.h,v 1.1 2011/07/01 17:29:39 dyoung Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2007 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Tim Rightnour
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _POWERPC_PREP_BUS_DEFS_H_
     33 #define _POWERPC_PREP_BUS_DEFS_H_
     34 
     35 #define PREP_BUS_SPACE_IO		0x80000000
     36 #define PREP_BUS_SPACE_MEM		0xC0000000
     37 
     38 #define PHYS_TO_BUS_MEM(t,x)		((x) | PREP_BUS_SPACE_IO)
     39 #define BUS_MEM_TO_PHYS(t,x)		((x) & ~PREP_BUS_SPACE_IO)
     40 
     41 #define PREP_PHYS_SIZE_IO		0x3f800000
     42 #define PREP_PHYS_SIZE_MEM		0x3f000000
     43 #define PREP_ISA_SIZE_IO		0x00010000
     44 #define PREP_ISA_SIZE_MEM		0x01000000
     45 #define PREP_EISA_SIZE_IO		0x0000f000
     46 #define PREP_EISA_SIZE_MEM		0x3f000000
     47 
     48 #define PREP_PHYS_RESVD_START_IO	0x10000
     49 #define PREP_PHYS_RESVD_SIZE_IO		0x7F0000
     50 
     51 #endif /* _POWERPC_PREP_BUS_DEFS_H_ */
     52