1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1989-1998 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #ifndef _SYS_BUSTYPES_H 28 #define _SYS_BUSTYPES_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 /* 35 * Defines for bus types. These are magic cookies passed between drivers 36 * and their parents to describe their address space. Configuration mechanisms 37 * use this as well. Root nexus drivers on implementations using 38 * "generic-addressing" also use these to describe register properties. 39 * Generally, this will be non-self configuring architectures. 40 * 41 * 42 * On machines supporting "generic-addressing" in the root nexus, 43 * the generic cookies described in the bootom of the file are used 44 * to distinguish the spaces described by device regsiters. 45 * 46 * Sun machines generally support OBMEM and OBIO spaces. 47 */ 48 49 #define SP_VIRTUAL 0x0100 /* virtual address */ 50 #define SP_OBMEM 0x0200 /* on board memory */ 51 #define SP_OBIO 0x0210 /* on board i/o */ 52 53 /* 54 * The following are some Cookie name/value suggestions... 55 * and are not necessarily supported at all (nexi for these devices 56 * must handle and convert any requests for these spaces.) 57 */ 58 59 #define SP_SBUS 0x0400 /* SBus device bus */ 60 #define SB_XBOX 0x0500 /* XBox device bus */ 61 62 #define SP_MBMEM 0x1000 /* MultiBus memory */ 63 #define SP_MBIO 0x1100 /* MultiBus IO */ 64 65 #define SP_ATMEM 0x2000 /* AT Bus Memory */ 66 #define SP_ATIO 0x2100 /* AT IO */ 67 68 #define SP_FBMEM 0x3000 /* FutureBus Memory */ 69 #define SP_FBIO 0x3100 /* FutureBus IO */ 70 71 #define SP_UBMEM 0x4000 /* Arbitrary user bus memory space */ 72 #define SP_UBIO 0x4100 /* Arbitrary user bus IO space */ 73 74 #define SP_INVALID ((unsigned)-1) /* This value reserved */ 75 76 /* 77 * Anything in the range 0x4000 - 0x4FFF reserved for arbitrary 3rd party use. 78 */ 79 80 #ifdef __cplusplus 81 } 82 #endif 83 84 #endif /* _SYS_BUSTYPES_H */ 85