[PATCH] m68knommu: add ColdFire 532x cache init

Add cache init support for the new ColdFire 532x CPU family.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/include/asm-m68knommu/mcfcache.h b/include/asm-m68knommu/mcfcache.h
index 45d1ac57ea82..7b61a8a529f5 100644
--- a/include/asm-m68knommu/mcfcache.h
+++ b/include/asm-m68knommu/mcfcache.h
@@ -92,6 +92,21 @@
 .endm
 #endif /* CONFIG_M5249 || CONFIG_M5307 */
 
+#if defined(CONFIG_M532x)
+.macro CACHE_ENABLE
+        movel   #0x01000000,%d0         /* invalidate cache cmd */
+        movec   %d0,%CACR               /* do invalidate cache */
+        nop
+        movel   #0x4001C000,%d0         /* set SDRAM cached (write-thru) */
+        movec   %d0,%ACR0
+        movel   #0x00000000,%d0         /* no other regions cached */
+        movec   %d0,%ACR1
+        movel   #0x80000200,%d0         /* setup cache mask */
+        movec   %d0,%CACR               /* enable cache */
+        nop
+.endm
+#endif /* CONFIG_M532x */
+
 #if defined(CONFIG_M5407)
 /*
  *      Version 4 cores have a true harvard style separate instruction