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authorGreg Ungerer <gerg@snapgear.com>2005-11-02 00:03:09 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-02 00:41:20 -0500
commit4f4ef2967e1e8dce43e9cf7186aeb60a8c33aaf4 (patch)
treeb2a55bdaf01217adeb7fe1f1a8b65f3eae8c3eb8 /include/asm-m68knommu
parent7354b62cf799d91e69e38603a139a79df48b23d9 (diff)
[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>
Diffstat (limited to 'include/asm-m68knommu')
-rw-r--r--include/asm-m68knommu/mcfcache.h14
1 files changed, 14 insertions, 0 deletions
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 @@
117.endm 117.endm
118#endif /* CONFIG_M5407 */ 118#endif /* CONFIG_M5407 */
119 119
120#if defined(CONFIG_M520x)
121.macro CACHE_ENABLE
122 move.l #0x01000000,%d0 /* invalidate whole cache */
123 movec %d0,%CACR
124 nop
125 move.l #0x0000c000,%d0 /* set SDRAM cached (write-thru) */
126 movec %d0,%ACR0
127 move.l #0x00000000,%d0 /* no other regions cached */
128 movec %d0,%ACR1
129 move.l #0x80400000,%d0 /* enable 8K instruction cache */
130 movec %d0,%CACR
131 nop
132.endm
133#endif /* CONFIG_M520x */
120 134
121/****************************************************************************/ 135/****************************************************************************/
122#endif /* __M68KNOMMU_MCFCACHE_H */ 136#endif /* __M68KNOMMU_MCFCACHE_H */