KNEO PI boot problem
During the process of firmware updating, I tried to execute the following command on U-BOOT:
setenv fastboot_bootcmd 'echo ok';fastboot -l 0xA00000 usb 1
But as the command does not succeded, I tried to change usb1 to usb0:
setenv fastboot_bootcmd 'echo ok';fastboot -l 0xA00000 usb 0
After that the board apparently stucked on boot and I am unable to boot again, either from SD Card or Nand.
Comments
For a future reader, the command was incorrect (verify echo):
setenv fastboot_bootcmd echo 'ok';fastboot -l 0xA00000 usb 1
You may refer to the section 4. FLASH PARTITION AND RESTORATION of the documentation "KL730 Series Development Environment User Guide", {KL730_SDK}/01_BSP/01_Document/KL730_Development_Environment_User_Guide.pdf, to update the F/W.
Hi Willian
To help diagnose your KL730 KNEO Pi boot issue after your firmware update attempt, could you please provide the following details:
Firmware:
Which part of the firmware did you update (e.g., U-Boot, kernel, rootfs, device tree)?
What is the version or filename of the firmware you used?
Update Process:
What command(s) did you run during the update? Please list the ones that failed or succeeded.
Which SDK version did you use?
Errors:
Did you notice any error messages or abnormal outputs during flashing or boot?
If yes, could you share the exact messages or screenshots?
What happens now when you try to boot from SD Card or NAND?
These details will help us troubleshoot your issue more efficiently. Thank you!
I tried this command:
setenv fastboot_bootcmd 'echo ok';fastboot -l 0xA00000 usb 0 (Now I know echo is incorrect), but at the first time the serial terminal did not show anything, so I tried to remove power source, after that nothing shows on boot anymore. Because of that I would like to inquiry electrical drawing to inspect if anything is wrong on power supply side. I suspect board damaged somehow.