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 <Shengzhou.Liu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
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 @@
/* 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 */