| David Howells | b920de1 | 2008-02-08 04:19:31 -0800 | [diff] [blame] | 1 | /* MN10300 cache management registers |
| 2 | * |
| 3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
| 4 | * Written by David Howells (dhowells@redhat.com) |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public Licence |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the Licence, or (at your option) any later version. |
| 10 | */ |
| 11 | |
| 12 | #ifndef _ASM_CACHE_H |
| 13 | #define _ASM_CACHE_H |
| 14 | |
| 15 | #include <asm/cpu-regs.h> |
| 16 | #include <asm/proc/cache.h> |
| 17 | |
| 18 | #ifndef __ASSEMBLY__ |
| 19 | #define L1_CACHE_DISPARITY (L1_CACHE_NENTRIES * L1_CACHE_BYTES) |
| 20 | #else |
| 21 | #define L1_CACHE_DISPARITY L1_CACHE_NENTRIES * L1_CACHE_BYTES |
| 22 | #endif |
| 23 | |
| 24 | /* data cache purge registers |
| 25 | * - read from the register to unconditionally purge that cache line |
| 26 | * - write address & 0xffffff00 to conditionally purge that cache line |
| 27 | * - clear LSB to request invalidation as well |
| 28 | */ |
| 29 | #define DCACHE_PURGE(WAY, ENTRY) \ |
| 30 | __SYSREG(0xc8400000 + (WAY) * L1_CACHE_WAYDISP + \ |
| 31 | (ENTRY) * L1_CACHE_BYTES, u32) |
| 32 | |
| 33 | #define DCACHE_PURGE_WAY0(ENTRY) \ |
| 34 | __SYSREG(0xc8400000 + 0 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32) |
| 35 | #define DCACHE_PURGE_WAY1(ENTRY) \ |
| 36 | __SYSREG(0xc8400000 + 1 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32) |
| 37 | #define DCACHE_PURGE_WAY2(ENTRY) \ |
| 38 | __SYSREG(0xc8400000 + 2 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32) |
| 39 | #define DCACHE_PURGE_WAY3(ENTRY) \ |
| 40 | __SYSREG(0xc8400000 + 3 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32) |
| 41 | |
| 42 | /* instruction cache access registers */ |
| 43 | #define ICACHE_DATA(WAY, ENTRY, OFF) \ |
| 44 | __SYSREG(0xc8000000 + (WAY) * L1_CACHE_WAYDISP + (ENTRY) * 0x10 + (OFF) * 4, u32) |
| 45 | #define ICACHE_TAG(WAY, ENTRY) \ |
| 46 | __SYSREG(0xc8100000 + (WAY) * L1_CACHE_WAYDISP + (ENTRY) * 0x10, u32) |
| 47 | |
| 48 | /* instruction cache access registers */ |
| 49 | #define DCACHE_DATA(WAY, ENTRY, OFF) \ |
| 50 | __SYSREG(0xc8200000 + (WAY) * L1_CACHE_WAYDISP + (ENTRY) * 0x10 + (OFF) * 4, u32) |
| 51 | #define DCACHE_TAG(WAY, ENTRY) \ |
| 52 | __SYSREG(0xc8300000 + (WAY) * L1_CACHE_WAYDISP + (ENTRY) * 0x10, u32) |
| 53 | |
| 54 | #endif /* _ASM_CACHE_H */ |