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[EB-IMX8MM] 6. Recovering Yocto Linux on the eMMC under UBOOT Mode

December 07, 2020

Recovering Yocto Linux on the eMMC under UBOOT Mode

  • Tools needed to restore image to the eMMC:
    1. Recovery eMMC image with the UUU burning software (contact info@icop.com.tw for detailed info)
      • 1GB RAM version
      • 2GB RAM version
         
    2. Windows 10 host OS on PC (Virtual Machine not recommended)
       
    3. USB cable to connect the host PC to the EBOX-IMX8MM-2G
       
    4. Cable to connect the console between host PC and the EBOX-IMX8MM-2G (USB to RS-232)
       
  • Write the image to the eMMC on the EBOX-IMX8MM-2G:
    1. Please turn on the host PC and unzip the image file to it.
       
    2. Connect the host PC and the EBOX-IMX8MM-2G via console cable (console function on ICOP’s device is on COM2).
       
    3. Connect the host PC and the EBOX-IMX8MM-2G via console cable (console function on ICOP’s device is on COM2).
       
    4. Open PUTTY on the host PC and set the Serial line at the correct location. Location can be found under the device manager:


       
    5. Open a terminal on the host PC and access the location where the image file is and input “uuu.exe uuu.auto”; “Wait for known USB Device to Appear”

       
    6. Go back to PUTTY and connect the USB cable (Micro USB) to EBOX-IMX8MM-2G to boot up and press any key while booting up to access the UBOOT mode and type “fastboot usb0”

       
    7. You will see the terminal on the PC starting to restore the image.

       
    8. After restoration is done, boot up EBOX-IMX8MM-2G to see Yocto Linux running.