From 9de67149db576c91b9c2a0a182652331e7e44211 Mon Sep 17 00:00:00 2001
From: Becky Bruce <becky.bruce@freescale.com>
Date: Mon, 4 Aug 2008 14:01:53 -0500
Subject: [PATCH] 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>
---
lib_ppc/bat_rw.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib_ppc/bat_rw.c b/lib_ppc/bat_rw.c
index 8546333868..a40b377bca 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 @@ int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower)
return (-1);
}
+ sync();
+ isync();
+
return (0);
}
--
2.39.5