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Diffstat (limited to 'include/asm-sparc/ultra.h')
| -rw-r--r-- | include/asm-sparc/ultra.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/asm-sparc/ultra.h b/include/asm-sparc/ultra.h new file mode 100644 index 000000000..fdc6c7f48 --- /dev/null +++ b/include/asm-sparc/ultra.h @@ -0,0 +1,52 @@ +/* $Id: ultra.h,v 1.2 1995/11/25 02:33:10 davem Exp $ + * ultra.h: Definitions and defines for the TI V9 UltraSparc. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ + +#ifndef _SPARC_ULTRA_H +#define _SPARC_ULTRA_H + +/* Spitfire MMU control register: + * + * ---------------------------------------------------------- + * | | IMPL | VERS | | MID | | + * ---------------------------------------------------------- + * 64 31-28 27-24 23-22 21-17 16 0 + * + * IMPL: Implementation of this Spitfire. + * VERS: Version of this Spitfire. + * MID: Module ID of this processor. + */ + +#define SPITFIRE_MIDMASK 0x00000000003e0000 + +/* Spitfire Load Store Unit control register: + * + * --------------------------------------------------------------------- + * | RSV | PWR | PWW | VWR | VWW | RSV | PMASK | DME | IME | DCE | ICE | + * --------------------------------------------------------------------- + * 63-25 24 23 22 21 20 19-4 3 2 1 0 + * + * PWR: Physical Watchpoint Read enable: 0=off 1=on + * PWW: Physical Watchpoint Write enable: 0=off 1=on + * VWR: Virtual Watchpoint Read enable: 0=off 1=on + * VWW: Virtual Watchpoint Write enable: 0=off 1=on + * PMASK: Parity MASK ??? + * DME: Data MMU Enable: 0=off 1=on + * IME: Instruction MMU Enable: 0=off 1=on + * DCE: Data Cache Enable: 0=off 1=on + * ICE: Instruction Cache Enable: 0=off 1=on + */ + +#define SPITFIRE_LSU_PWR 0x01000000 +#define SPITFIRE_LSU_PWW 0x00800000 +#define SPITFIRE_LSU_VWR 0x00400000 +#define SPITFIRE_LSU_VWW 0x00200000 +#define SPITFIRE_LSU_PMASK 0x000ffff0 +#define SPITFIRE_LSU_DME 0x00000008 +#define SPITFIRE_LSU_IME 0x00000004 +#define SPITFIRE_LSU_DCE 0x00000002 +#define SPITFIRE_LSU_ICE 0x00000001 + +#endif /* !(_SPARC_ULTRA_H) */ |