m68k: Set ColdFire ACR1 cache mode depending on kernel configuration

For coldfire with MMU enabled, data cache did not follow the configuration but
was configured in writethrough mode.

Signed-off-by: Stany MARCEL <stany.marcel@novasys-ingenierie.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/m68k/include/asm/m54xxacr.h b/arch/m68k/include/asm/m54xxacr.h
index 192bbfeabf70..6d13cae44af5 100644
--- a/arch/m68k/include/asm/m54xxacr.h
+++ b/arch/m68k/include/asm/m54xxacr.h
@@ -96,8 +96,13 @@
  */
 #define ACR0_MODE       (ACR_BA(CONFIG_MBAR)+ACR_ADMSK(0x1000000)+ \
                          ACR_ENABLE+ACR_SUPER+ACR_CM_OFF_PRE+ACR_SP)
+#if defined(CONFIG_CACHE_COPYBACK)
 #define ACR1_MODE       (ACR_BA(CONFIG_RAMBASE)+ACR_ADMSK(CONFIG_RAMSIZE)+ \
-                         ACR_ENABLE+ACR_SUPER+ACR_SP)
+                         ACR_ENABLE+ACR_SUPER+ACR_SP+ACR_CM_CP)
+#else
+#define ACR1_MODE       (ACR_BA(CONFIG_RAMBASE)+ACR_ADMSK(CONFIG_RAMSIZE)+ \
+                         ACR_ENABLE+ACR_SUPER+ACR_SP+ACR_CM_WT)
+#endif
 #define ACR2_MODE       0
 #define ACR3_MODE       (ACR_BA(CONFIG_RAMBASE)+ACR_ADMSK(CONFIG_RAMSIZE)+ \
                          ACR_ENABLE+ACR_SUPER+ACR_SP)