FreeBSD/Linux Kernel Cross Reference
sys/sqt/hwparam.h

     /* 
      * Mach Operating System
      * Copyright (c) 1991 Carnegie Mellon University
      * Copyright (c) 1991 Sequent Computer Systems
      * All Rights Reserved.
      * 
      * Permission to use, copy, modify and distribute this software and its
      * documentation is hereby granted, provided that both the copyright
      * notice and this permission notice appear in all copies of the
     * software, derivative works or modified versions, and any portions
     * thereof, and that both notices appear in supporting documentation.
     * 
     * CARNEGIE MELLON AND SEQUENT COMPUTER SYSTEMS ALLOW FREE USE OF
     * THIS SOFTWARE IN ITS "AS IS" CONDITION.  CARNEGIE MELLON AND
     * SEQUENT COMPUTER SYSTEMS DISCLAIM ANY LIABILITY OF ANY KIND FOR
     * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     * 
     * Carnegie Mellon requests users of this software to return to
     * 
     *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
     *  School of Computer Science
     *  Carnegie Mellon University
     *  Pittsburgh PA 15213-3890
     * 
     * any improvements or extensions that they make and grant Carnegie Mellon 
     * the rights to redistribute these changes.
     */
    
    /*
     * HISTORY
     * $Log:        hwparam.h,v $
     * Revision 2.3  91/07/31  18:00:51  dbg
     *      Changed copyright.
     *      [91/07/31            dbg]
     * 
     * Revision 2.2  91/05/08  12:56:01  dbg
     *      Added, from Sequent SYMMETRY sources.
     *      [91/04/26  14:51:55  dbg]
     * 
     */
    
    /*
     * $Header: hwparam.h,v 2.3 91/07/31 18:00:51 dbg Exp $
     *
     * hwparam.h
     *      Define physical addresses and other parameters of the hardware.
     */
    
    /* $Log:        hwparam.h,v $
     * Revision 2.3  91/07/31  18:00:51  dbg
     *      Changed copyright.
     *      [91/07/31            dbg]
     * 
     * Revision 2.2  91/05/08  12:56:01  dbg
     *      Added, from Sequent SYMMETRY sources.
     *      [91/04/26  14:51:55  dbg]
     * 
     * Revision 2.1.2.1  91/04/26  14:51:55  dbg
     *      Added, from Sequent SYMMETRY sources.
     * 
     * Revision 2.1.1.1  91/02/26  11:02:26  dbg
     *      Added, from Sequent SYMMETRY sources.
     *      [91/02/26            dbg]
     * 
     * Revision 1.2  89/07/20  18:05:01  kak
     * moved balance includes
     * 
     * Revision 1.1  89/07/05  13:15:32  kak
     * Initial revision
     * 
     */
    
    #ifndef _SQT_HWPARAM_H_
    #define _SQT_HWPARAM_H_
    
    /*
     * Physical addresses in processor board address space.
     */
    
    #ifdef  KXX
    
    #define PHYS_SLIC       0x1BF0000       /* phys loc in CPU addr space */
    #define PHYS_SLIC_INTR  0x1BF1000       /* slic's interrupt vector register */
    #define PHYS_CACHE0SET  0x1BF8000       /* cache 0 set data */
    #define PHYS_CACHE1SET  0x1BF9000       /* cache 1 set data */
    #define PHYS_STATICRAM  0x1BFA000       /* local static RAM */
    #define PHYS_CACHE0REV  0x1BFC000       /* cache set 0 (parity reversed) */
    #define PHYS_CACHE1REV  0x1BFD000       /* cache set 1 (parity reversed) */
    #define PHYS_RAMREV     0x1BFE000       /* local static RAM (parity reversed) */
    
    #define PHYS_MBAD       0x1C00000       /* MBAd base address (phys) */
    
    /*
     * Maximum processor addressable main-memory address is limited to 24Meg
     * on K20, due to naive mapping of SLIC in machine/startup.c
     * (alloclocalIO(), maplocalIO()).
     */
    
    #define MAX_PROC_ADDR_MEM (24*1024*1024)
   
   #else   Real HW
   
   #include <sqt/SGSproc.h>                /* SGS processor specific definitions */
   
   #endif  KXX
   
   /*
    * Define addressibility of Multi-bus interface.
    */
   
   #define VIRT_MBAD       PHYS_MBAD       /* MBAd base address (virt) */
   #define MBAD_ADDR_SPACE (1024*1024)     /* 1M address space */
   
   #define VA_MBAd(i)      (VIRT_MBAD + (i) * MBAD_ADDR_SPACE)
   #define PA_MBAd(i)      (PHYS_MBAD + (i) * MBAD_ADDR_SPACE)
   
   /*
    * For backwards compatibility -- MBAds started at fixed address.
    */
   
   #define OLD_VIRT_MBAD   0x0800000       /* MBAd base address (virt) */
   
   #endif  /* _SQT_HWPARAM_H_ */

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