Help Bringing I.MX6UL Board To Life

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Help Bringing I.MX6UL Board To Life

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nachodiz
Contributor III

Dear all, we´re trying to bring out board to life (for an important Automotive Customer)

MOV_0775.mp4 - Google Drive 

I´tried to connect through serial downloader (USB) and it hangs when Loading Uboot

We also have UART pads Just in case for debug

My intention it´s to copy the i.MX6UL-EVK Fuses but changuing the SD2 boot device  from SD1 (we have the sd on the SD1 bus)

Who can help us with this process, STEPS....
I want to perform a DDR Test

King Regards

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Yuri
NXP TechSupport
NXP TechSupport

Hello,

 

   Looks like the MFG system (U-boot, kernel, ramfs) can be loaded (maybe successfully ),

but cannot  start, since reset takes place. This  may be memory bug. Please try the DDR stress test.

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

Have a great day,

Yuri

 

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zzx
Contributor I

Hello,

      My  i.MX6UL-EVK board has meet the same problem like the video ,  and I try the DDR stress test but failed.

      The board is working correctly before , but yesterday it suddenly unable to work.

 

      pastedImage_3.png

      How can I solve the problem or How can I test the board to determine that whether the board is dead?

      Thanks a lot for your help.

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nachodiz
Contributor III

The board works ok it pass calibration, ddr stress and now while running mfgtool through SERIAL DOWNLOADER USB, the uart outputs the boot sequence

here calibration results:
RES.zip - Google Drive 
Here the uart output:

aaa.png


This data does not correspond with my board (i have 512mb ddr3) and 528 Mhz

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