diff options
| author | York Sun <york.sun@nxp.com> | 2017-01-25 21:26:50 (GMT) |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-01-31 17:25:22 (GMT) |
| commit | e9866cf759f2f0184607024be30e7f78a65cb614 (patch) | |
| tree | 5ab8d5fd69571ec51bc268cf262fc3e7588bce51 /board/freescale/ls1021aqds | |
| parent | 5707dfb02e0886ab69d51bfc161cd80b3e33a864 (diff) | |
| download | u-boot-e9866cf759f2f0184607024be30e7f78a65cb614.tar.xz | |
armv7: ls1021aqds: Set cpo_sample for erratum A-009942
Set cpo_sample as suggested by the driver
"WARN: pls set popts->cpo_sample = 0x58 in <board>/ddr.c to optimize
cpo".
Signed-off-by: York Sun <york.sun@nxp.com>
CC: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Diffstat (limited to 'board/freescale/ls1021aqds')
| -rw-r--r-- | board/freescale/ls1021aqds/ddr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/board/freescale/ls1021aqds/ddr.c b/board/freescale/ls1021aqds/ddr.c index 6435bf9..2f66ba9 100644 --- a/board/freescale/ls1021aqds/ddr.c +++ b/board/freescale/ls1021aqds/ddr.c @@ -96,6 +96,9 @@ found: #else popts->cswl_override = DDR_CSWL_CS0; + /* optimize cpo for erratum A-009942 */ + popts->cpo_sample = 0x58; + /* DHC_EN =1, ODT = 75 Ohm */ popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_75ohm); popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm); |