A problem for Start my board

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A problem for Start my board

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zhangzhiyong1
Contributor III

I usd MCIMX6Q6AVT10AD in my design.

It only have 1GB,DDR,and 8G MMC.

EIM 、SDs、NAND_flash,and so on Port are float

The uboot I used from mx6q_sabresd .

NOW,I change BOOT_MODE pin to Serial download mode. My board can download uboot and kenerl .then I change BOOT_MODE to eFuse It shows Serial download and I can download uboot and kenerl.

But I change BOOT_MODE to in Start internal,open and close the power supply,sometime It can start ,sometime It jump to Serial download ,and I can download uboot and kenerl.

what`s wrong ? what can I do ?

Please help me and thank you!

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igorpadykov
NXP Employee
NXP Employee

Hi zhangzhiyong

please test memory with ddr test and update image with new calibration settings

found from test

https://community.freescale.com/docs/DOC-105652 

Best regards
igor
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500 Views
zhangzhiyong1
Contributor III

I will try it ,thank you

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