diff options
| author | Greg Ungerer <gerg@snapgear.com> | 2005-11-02 00:03:09 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-02 00:41:20 -0500 |
| commit | 4f4ef2967e1e8dce43e9cf7186aeb60a8c33aaf4 (patch) | |
| tree | b2a55bdaf01217adeb7fe1f1a8b65f3eae8c3eb8 | |
| parent | 7354b62cf799d91e69e38603a139a79df48b23d9 (diff) | |
[PATCH] m68knommu: add 5208 ColdFire cache support
Add support for the cpu cache of the 5208 ColdFire fmaily.
Patch originally from Matt Wadell (from code originally written by
Mike Lavender).
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | include/asm-m68knommu/mcfcache.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-m68knommu/mcfcache.h b/include/asm-m68knommu/mcfcache.h index b17cd920977f..9cb401421835 100644 --- a/include/asm-m68knommu/mcfcache.h +++ b/include/asm-m68knommu/mcfcache.h | |||
| @@ -117,6 +117,20 @@ | |||
| 117 | .endm | 117 | .endm |
| 118 | #endif /* CONFIG_M5407 */ | 118 | #endif /* CONFIG_M5407 */ |
| 119 | 119 | ||
| 120 | #if defined(CONFIG_M520x) | ||
| 121 | .macro CACHE_ENABLE | ||
| 122 | move.l #0x01000000,%d0 /* invalidate whole cache */ | ||
| 123 | movec %d0,%CACR | ||
| 124 | nop | ||
| 125 | move.l #0x0000c000,%d0 /* set SDRAM cached (write-thru) */ | ||
| 126 | movec %d0,%ACR0 | ||
| 127 | move.l #0x00000000,%d0 /* no other regions cached */ | ||
| 128 | movec %d0,%ACR1 | ||
| 129 | move.l #0x80400000,%d0 /* enable 8K instruction cache */ | ||
| 130 | movec %d0,%CACR | ||
| 131 | nop | ||
| 132 | .endm | ||
| 133 | #endif /* CONFIG_M520x */ | ||
| 120 | 134 | ||
| 121 | /****************************************************************************/ | 135 | /****************************************************************************/ |
| 122 | #endif /* __M68KNOMMU_MCFCACHE_H */ | 136 | #endif /* __M68KNOMMU_MCFCACHE_H */ |