Hi Fabio
> vf610-zii-dev-rev-b.dts also uses 512.
>
> Should it be also changed or is it correct for the rev-b?
Rev-B is correct. Rev-C has a newer generation of Ethernet switch,
which has a little microcontroller in it. That microcontroller gets
its code from the EEPROM. So a bigger EEPROM is required.
Andrew