Set cpo_sample as suggested by the driver "WARN: pls set popts->cpo_sample = 0x58 in <board>/ddr.c to optimize cpo".

Signed-off-by: York Sun york.sun@nxp.com CC: Shengzhou Liu Shengzhou.Liu@nxp.com ---

board/freescale/ls1021aqds/ddr.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/board/freescale/ls1021aqds/ddr.c b/board/freescale/ls1021aqds/ddr.c index 6435bf9..2f66ba9 100644 --- a/board/freescale/ls1021aqds/ddr.c +++ b/board/freescale/ls1021aqds/ddr.c @@ -96,6 +96,9 @@ found: #else popts->cswl_override = DDR_CSWL_CS0;

+ /* optimize cpo for erratum A-009942 */ + popts->cpo_sample = 0x58; + /* DHC_EN =1, ODT = 75 Ohm */ popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_75ohm); popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm);