[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>
diff --git a/include/asm-m68knommu/mcfcache.h b/include/asm-m68knommu/mcfcache.h
index b17cd92..9cb4014 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 */