1 /* $NetBSD: prep_bus.h,v 1.4 2021/02/27 01:31:23 thorpej 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, paddr_t, ...); 61 void mem_regions(struct mem_region **, struct mem_region **); 62 #endif 63 64 #endif /* _POWERPC_PREP_BUS_H_ */ 65