sys/arch/powerpc/include/prep_bus.h

   1 /* $NetBSD: prep_bus.h,v 1.2 2007/10/17 19:56:41 garbled 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_H_
  33 #define _POWERPC_PREP_BUS_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 #ifdef _KERNEL
  52 extern struct powerpc_bus_space prep_io_space_tag;
  53 extern struct powerpc_bus_space genppc_isa_io_space_tag;
  54 extern struct powerpc_bus_space prep_mem_space_tag;
  55 extern struct powerpc_bus_space genppc_isa_mem_space_tag;
  56
  57 #include <machine/powerpc.h>
  58
  59 void prep_bus_space_init(void);
  60 void prep_initppc(u_long, u_long, u_int);
  61 void mem_regions(struct mem_region **, struct mem_region **);
  62 #endif
  63
  64 #endif /* _POWERPC_PREP_BUS_H_ */