[U-Boot-Users] [PATCH] 85xx io out functions need sync after write.

Ed Swarthout Ed.Swarthout at freescale.com
Wed Sep 26 23:35:54 CEST 2007


This fixes the mc146818 rtc_read/write functions for 85xx.

Signed-off-by: Ed Swarthout <Ed.Swarthout at freescale.com>
---

 cpu/mpc85xx/start.S |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index 2c98c2a..5d65190 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -701,6 +701,7 @@ in8:
 	.globl	out8
 out8:
 	stb	r4,0x0000(r3)
+	sync
 	blr
 
 /*------------------------------------------------------------------------------- */
@@ -710,6 +711,7 @@ out8:
 	.globl	out16
 out16:
 	sth	r4,0x0000(r3)
+	sync
 	blr
 
 /*------------------------------------------------------------------------------- */
@@ -719,6 +721,7 @@ out16:
 	.globl	out16r
 out16r:
 	sthbrx	r4,r0,r3
+	sync
 	blr
 
 /*------------------------------------------------------------------------------- */
@@ -728,6 +731,7 @@ out16r:
 	.globl	out32
 out32:
 	stw	r4,0x0000(r3)
+	sync
 	blr
 
 /*------------------------------------------------------------------------------- */
@@ -737,6 +741,7 @@ out32:
 	.globl	out32r
 out32r:
 	stwbrx	r4,r0,r3
+	sync
 	blr
 
 /*------------------------------------------------------------------------------- */
-- 
1.5.3.1.65.g47184





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