Compiling U-BOOT PNX8473 help config device

[Cento50Shopping Michele della guardia]

Hello nice for meet to this group
I need help for study and compiling any U-Boot file binary for inizialize my machine .
Pnx8473 arm
Online i have found only one link,talk for box "prismcube recovery".this boot charge correct to my CPU but not inizialize USB.the sure the hardware not are the same.
If needed other detail for my hardware for any help
Thank s

Picture device hardware
![alt text](https://ibb.co/S3Q9C79
https://ibb.co/thQS3D5
https://ibb.co/X8bcBjG
https://ibb.co/yXS0zg4
https://ibb.co/jMGpg9c
https://ibb.co/YLxV9PY
https://ibb.co/Zc9j86q)