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/t104xrdb/ddr.c b/board/freescale/t104xrdb/ddr.c
index 22d6a5f..302f19b 100644
--- a/board/freescale/t104xrdb/ddr.c
+++ b/board/freescale/t104xrdb/ddr.c
@@ -77,6 +77,8 @@
*/
#ifdef CONFIG_SYS_FSL_DDR4
popts->half_strength_driver_enable = 1;
+ /* optimize cpo for erratum A-009942 */
+ popts->cpo_sample = 0x59;
#else
popts->half_strength_driver_enable = 0;
#endif