root/include/asm-sparc/ultra.h

/* */

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

/* */