[Buildroot] how to activate usb keyboard?

[Azik Aziz]

Hi!

There is a ready assembled, the image buildroot rpi.

I can not enter a command through a usb keypad (I can not type the command).

Can not write command and the console (I can not type the command).

linux terminal is operating normally

I can see through the system load monitor rca

I can see the way the system load through the console putty

On keyboard working ctrl-alt-del for reset only

how to enter the command on console?

how to activate usb keyboard?