移植成功u-boot,支持usb下载，支持yaffs根文件系统，支持LCDolgo ,2410和2440都可以用，研究了几个月，要收费的-Transplantation success u-boot, download usb support, support yaffs the root file system, support LCDolgo, 2410 and 2440 can be used to study a few months, it is necessary to charge