DDR register varification in U-boot for imx6q

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DDR register varification in U-boot for imx6q

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prathamrahate
Contributor III

I have done calibration using DDR calibration tool on imx6q sabresd board. The results from calibration were different from that mentioned in DCD data in board/freescale/mx6sabresd/mx6q_4x_mt41j128.cfg. Why there is difference ??

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi Pratham

it was created with older tool versions and works fine as

has sufficient calibration margins.

Best regards
igor
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igorpadykov
NXP TechSupport
NXP TechSupport

Hi Pratham

it was created with older tool versions and works fine as

has sufficient calibration margins.

Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

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prathamrahate
Contributor III

Thanks, Igor. I have used v2.52 tool, which is latest. That might be the difference.

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Yuri
NXP TechSupport
NXP TechSupport

JFYI : v2.60 is the recent.

~Yuri.