mini2440无法加载USB端口
宿主机：PC 虚拟机redhat Linux(2.6.18-53.el5) gcc(4.3.2)
目标机：ARM mini2440 友善之臂(Linux2.6.32.2) uboot uImage nfs_rootfs(路径在宿主机)
系统正常启动后，我插入USB设备（U盘，USB摄像头，USB无线网卡都不行）系统无法识别USB设备，出现以下提示错误：
usb 1-1: new full speed USB device using s3c2410-ohci and address 10
usb 1-1: device descriptor read/64, error -62
usb 1-1: device descriptor read/64, error -62
usb 1-1: new full speed USB device using s3c2410-ohci and address 11
usb 1-1: device descriptor read/64, error -62
usb 1-1: device descriptor read/64, error -62
usb 1-1: new full speed USB device using s3c2410-ohci and address 12
usb 1-1: device not accepting address 12, error -62
usb 1-1: new full speed USB device using s3c2410-ohci and address 13
usb 1-1: device not accepting address 13, error -62
hub 1-0:1.0: unable to enumerate USB device on port 1
