usr/src/uts/common/sys/bustypes.h

   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   "%Z%%M% %I%     %E% 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 */