ppc4xx: Fix 405EZ uart base baud calculation

[platform/kernel/u-boot.git] / lib_microblaze / cache.c

diff --git a/lib_microblaze/cache.c b/lib_microblaze/cache.c
index a2f7493..4b2e8e3 100644 (file)
--- a/lib_microblaze/cache.c
+++ b/lib_microblaze/cache.c
@@ -26,6 +26,18 @@
 
 void flush_cache (ulong addr, ulong size)
 {
-       /* MicroBlaze have write thruough cache. nothing to do. */
-       return;
+       int i;
+       for (i = 0; i < size; i += 4)
+               asm volatile (
+#ifdef CONFIG_ICACHE
+                               "wic    %0, r0;"
+#endif
+                               "nop;"
+#ifdef CONFIG_DCACHE
+                               "wdc    %0, r0;"
+#endif
+                               "nop;"
+                               :
+                               : "r" (addr + i)
+                               : "memory");
 }