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POWERPC: Add synchronization to write_bat in lib_ppc/bat_rw.c
author
Becky Bruce
<becky.bruce@freescale.com>
Mon, 4 Aug 2008 19:01:53 +0000
(14:01 -0500)
committer
Wolfgang Denk
<wd@denx.de>
Mon, 11 Aug 2008 21:52:49 +0000
(23:52 +0200)
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
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diff --git
a/lib_ppc/bat_rw.c
b/lib_ppc/bat_rw.c
index
8546333
..
a40b377
100644
(file)
--- 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);
}