NetBSD/sys/arch/powerpc/include/prep_bus.h

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/* $NetBSD: prep_bus.h,v 1.3 2008/04/28 20:23:32 martin Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Tim Rightnour
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _POWERPC_PREP_BUS_H_
#define _POWERPC_PREP_BUS_H_
#define PREP_BUS_SPACE_IO 0x80000000
#define PREP_BUS_SPACE_MEM 0xC0000000
#define PHYS_TO_BUS_MEM(t,x) ((x) | PREP_BUS_SPACE_IO)
#define BUS_MEM_TO_PHYS(t,x) ((x) & ~PREP_BUS_SPACE_IO)
#define PREP_PHYS_SIZE_IO 0x3f800000
#define PREP_PHYS_SIZE_MEM 0x3f000000
#define PREP_ISA_SIZE_IO 0x00010000
#define PREP_ISA_SIZE_MEM 0x01000000
#define PREP_EISA_SIZE_IO 0x0000f000
#define PREP_EISA_SIZE_MEM 0x3f000000
#define PREP_PHYS_RESVD_START_IO 0x10000
#define PREP_PHYS_RESVD_SIZE_IO 0x7F0000
#ifdef _KERNEL
extern struct powerpc_bus_space prep_io_space_tag;
extern struct powerpc_bus_space genppc_isa_io_space_tag;
extern struct powerpc_bus_space prep_mem_space_tag;
extern struct powerpc_bus_space genppc_isa_mem_space_tag;
#include <machine/powerpc.h>
void prep_bus_space_init(void);
void prep_initppc(u_long, u_long, u_int);
void mem_regions(struct mem_region **, struct mem_region **);
#endif
#endif /* _POWERPC_PREP_BUS_H_ */