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/ls2080ardb/ddr.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'board/freescale/ls2080ardb') diff --git a/board/freescale/ls2080ardb/ddr.c b/board/freescale/ls2080ardb/ddr.c index ecd1e71..959dfeb 100644 --- a/board/freescale/ls2080ardb/ddr.c +++ b/board/freescale/ls2080ardb/ddr.c @@ -134,6 +134,9 @@ found: /* Enable ZQ calibration */ popts->zq_en = 1; + /* optimize cpo for erratum A-009942 */ + popts->cpo_sample = 0x6e; + if (ddr_freq < 2350) { if (pdimm[0].n_ranks == 2 && pdimm[1].n_ranks == 2) { /* four chip-selects */ -- cgit v1.1