[...]
USB:   scanning bus for devices... 2 USB Device(s) found
usb_stor_get_info->1436,blksz:512
1 Storage Device(s) found
usb_stor_scan number = 1
Interface:  USB
  Device 0: Vendor: Kingston Rev: 1.00 Prod: DataTraveler G3
            Type: Removable Hard Disk
            Capacity: 7388.4 MB = 7.2 GB (15131636 x 512)
Partition 1: Filesystem: FAT32 "KINGSTON   "
CheckUpdateforceFromUsb 630, alreadyUpdateFromUsb:0
reading skipupgrade2
reading firmware3520dv300
firmware3520dv300 not found update file
[info]Uboot can not find anythiny to update !
Hit any key to stop autoboot:  0
16384 KiB hi_fmc at 0:0 is now current device

## Booting kernel from Legacy Image at 82000000 ...
[...]