IMX6Q use 4GB DDR3 only CS0

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IMX6Q use 4GB DDR3 only CS0

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yangruofei
Contributor I

    we use the ref design  DDR3 layout route of iMX6Q_SABRE_SDB_DESIGNFILES . but now we use four pcs  512Mb x16(1GB) DDR3 memery 。  we use the DDR stress tool to Calibration the DDR parameter and test . when we select 2GB to TEST , it test passed. and when use 3.84GB to test .  it will fail each cycle.  

      and we use the  DDR Calibration parameter to update u-boot, u-boot debug message will report 3.84GB(MAX sapce). but  when run into kernal and filesystem . it will be hang. could not operate normal .

please help me to fixed this issue.

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi yang

please check presentation describing DDR stress tool 

https://community.nxp.com/docs/DOC-331528

and attached 4GB example.

Best regards
igor
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