1.下载dnw,参考 http://blog.csdn.net/dreambegin/article/details/6996529
2.更改 install.sh 的可执行权限;sudo chmod +x install.sh
3.执行脚本 ./install.sh
4.打开要下载的文件所在的目录;/arm/u-boot-2011.03$
5.开发板选择usb下载
6. sudo dnw u-boot.bin
如果不增加sudo ,会出现错误:
Target usb device found!
Cannot claim interface: Operation not permitted
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