| /* $Id: tsunami.h,v 1.5 1996/08/29 09:49:03 davem Exp $ |
| * tsunami.h: Module specific definitions for Tsunami V8 Sparcs |
| * |
| * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) |
| */ |
| |
| #ifndef _SPARC_TSUNAMI_H |
| #define _SPARC_TSUNAMI_H |
| |
| #include <asm/asi.h> |
| |
| /* The MMU control register on the Tsunami: |
| * |
| * ----------------------------------------------------------------------- |
| * | implvers |SW|AV|DV|MV| RSV |PC|ITD|ALC| RSV |PE| RC |IE|DE|RSV|NF|ME| |
| * ----------------------------------------------------------------------- |
| * 31 24 23 22 21 20 19-18 17 16 14 13-12 11 10-9 8 7 6-2 1 0 |
| * |
| * SW: Enable Software Table Walks 0=off 1=on |
| * AV: Address View bit |
| * DV: Data View bit |
| * MV: Memory View bit |
| * PC: Parity Control |
| * ITD: ITBR disable |
| * ALC: Alternate Cacheable |
| * PE: Parity Enable 0=off 1=on |
| * RC: Refresh Control |
| * IE: Instruction cache Enable 0=off 1=on |
| * DE: Data cache Enable 0=off 1=on |
| * NF: No Fault, same as all other SRMMUs |
| * ME: MMU Enable, same as all other SRMMUs |
| */ |
| |
| #define TSUNAMI_SW 0x00800000 |
| #define TSUNAMI_AV 0x00400000 |
| #define TSUNAMI_DV 0x00200000 |
| #define TSUNAMI_MV 0x00100000 |
| #define TSUNAMI_PC 0x00020000 |
| #define TSUNAMI_ITD 0x00010000 |
| #define TSUNAMI_ALC 0x00008000 |
| #define TSUNAMI_PE 0x00001000 |
| #define TSUNAMI_RCMASK 0x00000C00 |
| #define TSUNAMI_IENAB 0x00000200 |
| #define TSUNAMI_DENAB 0x00000100 |
| #define TSUNAMI_NF 0x00000002 |
| #define TSUNAMI_ME 0x00000001 |
| |
| static inline void tsunami_flush_icache(void) |
| { |
| __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t" |
| : /* no outputs */ |
| : "i" (ASI_M_IC_FLCLEAR) |
| : "memory"); |
| } |
| |
| static inline void tsunami_flush_dcache(void) |
| { |
| __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t" |
| : /* no outputs */ |
| : "i" (ASI_M_DC_FLCLEAR) |
| : "memory"); |
| } |
| |
| #endif /* !(_SPARC_TSUNAMI_H) */ |
