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Ip=[192.88.158.2]; Helo=[az84smr01.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR03MB2474 Cc: Alison Wang Subject: [U-Boot] [PATCH] armv7: ls1021aqds: Set cpo_sample for erratum A-009942 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.15 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Set cpo_sample as suggested by the driver "WARN: pls set popts->cpo_sample = 0x58 in /ddr.c to optimize cpo". Signed-off-by: York Sun CC: Shengzhou Liu --- board/freescale/ls1021aqds/ddr.c | 3 +++ 1 file changed, 3 insertions(+) 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);