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/ls1043aqds/ddr.c b/board/freescale/ls1043aqds/ddr.c
index d4540d0..7882a9a 100644
--- a/board/freescale/ls1043aqds/ddr.c
+++ b/board/freescale/ls1043aqds/ddr.c
@@ -96,6 +96,9 @@
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% */
+
+ /* optimize cpo for erratum A-009942 */
+ popts->cpo_sample = 0x59;
#else
popts->cswl_override = DDR_CSWL_CS0;