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Is my AM335x EM Functional

Mark Covert
Prodigy 30 points

Hello:

 

I inherited a seemingly new AM335x Evaluation Module for an ex-employee. I have been tasked to get a Windows CE7 image to load on it, I have spent several hours going through the documented steps to get an image to boot from both SD and the Uart. but so far nothing seems to be working for me.

 

In fact I can't seem to get past the 'C' output.

 

So I found the Linux SD card that came with the unit. I was hoping that this would boot to the Linux desktop, but it does not. after several 'C's I do get loader output and I can get into a menu. But when I just let the device try to boot the image I get a error message indicating that the image is not formatted correctly.

 

I also noticed that on my Win7 desktop I can not read the Linux boot SD is that normal?

 

any suggestions would be appreciated.

 

Mark

  • 0
    Genius 5470 points

    you need to dig deeper. A good place to start is:

    http://processors.wiki.ti.com/index.php/WinCE-BSP_ARM-A8_Quick_Start_Guide

    Because you are not getting any XLDR message more than likely your SD card is not properly formatted. There are several methods to do this but it not that simple under desktop Windows. Look around, you will find the info.

  • 0
    Expert 1450 points

    Hi Mark,

    If your SD card is formatted with FAT and you've put the correct image files on it, it could be that the card is not marked as 'bootable'.

    To do this:

    • Insert the SD card in a PC
    • Open a Command Prompt and run DISKPART
    • Enter LIST DISK to determine the disk number of the SD card
    • Then enter SELECT DISK <disk number>, CLEAN, CREATE PARTITION PRIMARY, SELECT PARTITION 1, ACTIVE, EXIT
    • Format the card again
    • Copy image files to the card and try to boot it from it
  • 0 in reply to Carsten Hansen
    Prodigy 30 points

    Many Thanks Carsten:

     

    I missed that part, and should have realized that the SD needed to be marked bootable. I followed the Forum discussion "AM335x EVM fails to execute ebootsd.nb0" and used the image the was provided in the zip file "Demo_image.zip" Now my device boots to desktop, from kitl no less.

     

    Yours

    Mark