vivi源码，基于s3c2440，支持128M nandflash，与128M SDRAM，自己修改，DM9000网卡，网口下载内核与文件系统-vivi source code, based on s3c2440, support 128M nandflash, and 128M SDRAM, their changes, DM9000 network card, Ethernet port to download the kernel and file system! ! !