[U-Boot] [PATCH 1/2] 85xx: Fix the clock adjust of mpc8569mds board

Dave Liu daveliu at freescale.com
Fri Apr 3 11:35:33 CEST 2009


Currently the clk_adj is 6 (3/4 cycle), The settings will cause
the DDR controller hang at the data init. Change the clk_adj
from 6 to 4 (1/2 cycle), make the memory system stable.

Signed-off-by: Dave Liu <daveliu at freescale.com>
---
 board/freescale/mpc8569mds/ddr.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/board/freescale/mpc8569mds/ddr.c b/board/freescale/mpc8569mds/ddr.c
index 4b4533e..e938788 100644
--- a/board/freescale/mpc8569mds/ddr.c
+++ b/board/freescale/mpc8569mds/ddr.c
@@ -54,7 +54,7 @@ void fsl_ddr_board_options(memctl_options_t *popts,
 	 *	0110	3/4 cycle late
 	 *	0111	7/8 cycle late
 	 */
-	popts->clk_adjust = 6;
+	popts->clk_adjust = 4;
 
 	/*
 	 * Factors to consider for CPO:
-- 
1.5.4



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