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linuxembedded-linuxbootloaderu-bootbeagleboard

Cant'n login u-boot mode with Udoo neo


I'm new to embedded linux. I read tutorial compile U-boot with Udoo neo board, https://www.udoo.org/docs-neo/Advanced_Topics/Compile_U-Boot_Bootloader.html. I have some questions:

  • Compiling u-boot on linux computer. Then I run lsblk on my VMware computer, it shows sda partition with sda1 and sda2. The mount directories are

/media/$USER/boot

/media/$USER/udoobuntu

  • What is correct path to run 2 commands following above link:

sudo dd if=SPL of=/dev/*** bs=1K seek=1

sudo dd if=u-boot.img of=/dev/*** bs=1K seek=69

When I ran follow these commands with path /dev/mmcblk0 and insert SD to my Udoo-neo for booting. It showed 3 seconds and press any keys for exit auto reboot. But I don't know what button I need to press?


Solution

  • It's the good old "any key", into the serial console you're using the device on.