From 4f4ef2967e1e8dce43e9cf7186aeb60a8c33aaf4 Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Wed, 2 Nov 2005 15:03:09 +1000 Subject: [PATCH] [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 Signed-off-by: Linus Torvalds --- include/asm-m68knommu/mcfcache.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) 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 @@ .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 */