From 90101386f16d22c66ba69fb09f87dd08c0e60b4b Mon Sep 17 00:00:00 2001 From: Shengzhou Liu Date: Tue, 15 Nov 2016 17:15:21 +0800 Subject: fsl/board/ddr: optimize board-specific cpo for erratum A-009942 Optimize board-specific cpo for erratum A-009942 on b4860qds, ls1043aqds, ls1043ardb, ls1046aqds, ls1046ardb, ls2080ardb, t102xqds, t102xrdb, t1040qds, t104xrdb, t208xqds, t208xrdb, t4qds, t4rdb boards. Signed-off-by: Shengzhou Liu Reviewed-by: York Sun --- board/freescale/ls1043ardb/ddr.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'board/freescale/ls1043ardb') diff --git a/board/freescale/ls1043ardb/ddr.c b/board/freescale/ls1043ardb/ddr.c index 61b1cc4f30..849f1d1b66 100644 --- a/board/freescale/ls1043ardb/ddr.c +++ b/board/freescale/ls1043ardb/ddr.c @@ -91,6 +91,9 @@ found: /* Enable ZQ calibration */ popts->zq_en = 1; + /* optimize cpo for erratum A-009942 */ + popts->cpo_sample = 0x46; + popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_80ohm); popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_80ohm) | DDR_CDR2_VREF_OVRD(70); /* Vref = 70% */ -- cgit v1.2.3