POWERPC: Add synchronization to write_bat in lib_ppc/bat_rw.c
Perform sync/isync as required by the architecture.
Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Acked-by: Jon Loeliger <jdl@freescale.com>
diff --git a/lib_ppc/bat_rw.c b/lib_ppc/bat_rw.c
index 8546333..a40b377 100644
--- a/lib_ppc/bat_rw.c
+++ b/lib_ppc/bat_rw.c
@@ -25,9 +25,12 @@
#include <common.h>
#include <asm/processor.h>
#include <asm/mmu.h>
+#include <asm/io.h>
int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower)
{
+ sync();
+
switch (bat) {
case DBAT0:
mtspr (DBAT0L, lower);
@@ -99,6 +102,9 @@
return (-1);
}
+ sync();
+ isync();
+
return (0);
}