root/include/asm-sparc/ultra.h

/* */

   1 /* $Id: ultra.h,v 1.2 1995/11/25 02:33:10 davem Exp $
   2  * ultra.h: Definitions and defines for the TI V9 UltraSparc.
   3  *
   4  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
   5  */
   6 
   7 #ifndef _SPARC_ULTRA_H
   8 #define _SPARC_ULTRA_H
   9 
  10 /* Spitfire MMU control register:
  11  *
  12  * ----------------------------------------------------------
  13  * |        | IMPL  | VERS  |     |  MID  |                 |
  14  * ----------------------------------------------------------
  15  *  64        31-28   27-24  23-22  21-17   16             0
  16  *
  17  * IMPL: Implementation of this Spitfire.
  18  * VERS: Version of this Spitfire.
  19  * MID: Module ID of this processor.
  20  */
  21 
  22 #define SPITFIRE_MIDMASK     0x00000000003e0000
  23 
  24 /* Spitfire Load Store Unit control register:
  25  *
  26  * ---------------------------------------------------------------------
  27  * | RSV | PWR | PWW | VWR | VWW | RSV | PMASK | DME | IME | DCE | ICE |
  28  * ---------------------------------------------------------------------
  29  *  63-25  24    23     22    21    20   19-4      3     2     1     0
  30  *
  31  * PWR: Physical Watchpoint Read enable: 0=off 1=on
  32  * PWW: Physical Watchpoint Write enable: 0=off 1=on
  33  * VWR: Virtual Watchpoint Read enable: 0=off 1=on
  34  * VWW: Virtual Watchpoint Write enable: 0=off 1=on
  35  * PMASK: Parity MASK  ???
  36  * DME: Data MMU Enable: 0=off 1=on
  37  * IME: Instruction MMU Enable: 0=off 1=on
  38  * DCE: Data Cache Enable: 0=off 1=on
  39  * ICE: Instruction Cache Enable: 0=off 1=on
  40  */
  41 
  42 #define SPITFIRE_LSU_PWR      0x01000000
  43 #define SPITFIRE_LSU_PWW      0x00800000
  44 #define SPITFIRE_LSU_VWR      0x00400000
  45 #define SPITFIRE_LSU_VWW      0x00200000
  46 #define SPITFIRE_LSU_PMASK    0x000ffff0
  47 #define SPITFIRE_LSU_DME      0x00000008
  48 #define SPITFIRE_LSU_IME      0x00000004
  49 #define SPITFIRE_LSU_DCE      0x00000002
  50 #define SPITFIRE_LSU_ICE      0x00000001
  51 
  52 #endif /* !(_SPARC_ULTRA_H) */

/* */