[U-Boot] MPC8313ERDB u-boot upgrade usb problem

Hi i am in the process of upgrading the u-boot version from u-boot 1.1.6 to 1.3.0 and im stuck up with the usb. this is the error im getting

=> usb start (Re)start USB... USB: ACTUAL Board Setting Clock... PHY Invalid Clock setting failed Error, couldn't init Lowlevel part

i have no idea wat has gone wrong....

thanks in advance

Regards, Deepak Gopalakrishnan