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authorGreg Ungerer <gerg@snapgear.com>2006-06-26 10:33:10 +1000
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 17:43:33 -0700
commitdf8fbe1e7f250b157c5815a005a9650548315d1f (patch)
treed6c10c9fd138c6583fb5688ecbad79d4751f0a57 /include/asm-m68knommu
parent76aa698f331475147825ae135eae98bfd457825b (diff)
downloadop-kernel-dev-df8fbe1e7f250b157c5815a005a9650548315d1f.zip
op-kernel-dev-df8fbe1e7f250b157c5815a005a9650548315d1f.tar.gz
[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>
Diffstat (limited to 'include/asm-m68knommu')
-rw-r--r--include/asm-m68knommu/mcfcache.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-m68knommu/mcfcache.h b/include/asm-m68knommu/mcfcache.h
index 45d1ac5..7b61a8a 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
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