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      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 #pragma ident	"@(#)bustypes.h	1.5	05/06/08 SMI"	/* SVr4 */
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 /*
     37  * Defines for bus types.  These are magic cookies passed between drivers
     38  * and their parents to describe their address space.  Configuration mechanisms
     39  * use this as well.  Root nexus drivers on implementations using
     40  * "generic-addressing" also use these to describe register properties.
     41  * Generally, this will be non-self configuring architectures.
     42  *
     43  *
     44  * On machines supporting "generic-addressing" in the root nexus,
     45  * the generic cookies described in the bootom of the file are used
     46  * to distinguish the spaces described by device regsiters.
     47  *
     48  * Sun machines generally support OBMEM and OBIO spaces.
     49  */
     50 
     51 #define	SP_VIRTUAL	0x0100		/* virtual address */
     52 #define	SP_OBMEM	0x0200		/* on board memory */
     53 #define	SP_OBIO		0x0210		/* on board i/o */
     54 
     55 /*
     56  * The following are some Cookie name/value suggestions...
     57  * and are not necessarily supported at all (nexi for these devices
     58  * must handle and convert any requests for these spaces.)
     59  */
     60 
     61 #define	SP_SBUS		0x0400		/* SBus device bus */
     62 #define	SB_XBOX		0x0500		/* XBox device bus */
     63 
     64 #define	SP_MBMEM	0x1000		/* MultiBus memory */
     65 #define	SP_MBIO		0x1100		/* MultiBus IO */
     66 
     67 #define	SP_ATMEM	0x2000		/* AT Bus Memory */
     68 #define	SP_ATIO		0x2100		/* AT IO */
     69 
     70 #define	SP_FBMEM	0x3000		/* FutureBus Memory */
     71 #define	SP_FBIO		0x3100		/* FutureBus IO */
     72 
     73 #define	SP_UBMEM	0x4000		/* Arbitrary user bus memory space */
     74 #define	SP_UBIO		0x4100		/* Arbitrary user bus IO space */
     75 
     76 #define	SP_INVALID	((unsigned)-1)	/* This value reserved */
     77 
     78 /*
     79  * Anything in the range 0x4000 - 0x4FFF reserved for arbitrary 3rd party use.
     80  */
     81 
     82 #ifdef	__cplusplus
     83 }
     84 #endif
     85 
     86 #endif /* _SYS_BUSTYPES_H */
     87