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DDR3 calibration for MT41K256M16TW-107

Question asked by shree97 on Aug 24, 2016
Latest reply on Aug 31, 2016 by Artur Petukhov

Hello all,

We have a custom board for which we refferred SABRESD reference Schematics.In our Board we change the RAM to Micron MT41K256M16TW-107 DDR3 RAM.We have two variants of custom board ,in which one is running on i.MX6 solo with 1GB RAM and another with i.MX6 Dualite with 2GB RAM.

 

I have done the DDR calibration for both the boards but I have following issues:

1) In solo board I am getting only 4 values from calibration(I have done the calibration multiple times).

2) After looking into others DDR3 configuration I modified my DDR3 configuration for solo but I am getting kernel panic issues continuously.

 

Is it necessary to run the DDR stress Test for setting up DDR3 settings properly?

 

I followed the below script for i.MX6 solo with 1GB

I this script I am not getting Data rate option as 1866 (its lasts to 1600) and also I am unable to edit  tRCd ,tRC,tRAS values.

Do I need to change Si configuration values?

Kindly help regarding this issue.

 

 

Best Regards,

Shrikant

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