Hi @crispyoz, thanks for helping...
I'm trying to build a fresh original u-boot with I2C support enabled. So I need to rebuild official u-boot because I cannot find any evidence of I2C support in Onion bootloader Ralink BootLoader 220.127.116.11 (the same you linked).
I found Omega2p dts files in OpenWrt source code:
I think one possibility to build the official U-Boot firmware for Omega2p is to create a new board configuration using this two:
Do you think I'm on the right track?
Thanks a lot