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[PATCH] m68knommu: add 5208 ColdFire cache support

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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>
This commit is contained in:
Greg Ungerer 2005-11-02 15:03:09 +10:00 committed by Linus Torvalds
parent 7354b62cf7
commit 4f4ef2967e
1 changed files with 14 additions and 0 deletions
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14
include/asm-m68knommu/mcfcache.h
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@ -117,6 +117,20 @@
.endm
#endif /* CONFIG_M5407 */
#if defined(CONFIG_M520x)
.macro CACHE_ENABLE
move.l #0x01000000,%d0 /* invalidate whole cache */
movec %d0,%CACR
nop
move.l #0x0000c000,%d0 /* set SDRAM cached (write-thru) */
movec %d0,%ACR0
move.l #0x00000000,%d0 /* no other regions cached */
movec %d0,%ACR1
move.l #0x80400000,%d0 /* enable 8K instruction cache */
movec %d0,%CACR
nop
.endm
#endif /* CONFIG_M520x */
/****************************************************************************/
#endif /* __M68KNOMMU_MCFCACHE_H */