开发板的硬件基本信息
(1) 开发板类型: Tiny6410还是Mini6410
(2) RAM大小: 128M
(3) NAND Flash类型和大小: SLC，256M
(4) LCD类型: A70
串口信息：
NAND Low-level formating...
NAND Low-level formatted...
Superboot-6410Ver: 1129
RAM: 128MB
NAND: 256MB(SLC) ID:ECDA1095
Touch Device: no 1-wire
LCD Type: Unknown
Installing OS 'LINUX'
Installing bootloader...
Installing bootloader succeed
Installing kernel...
Installing kernel succeed
Installing yaffs-image...
Installing yaffs-image failed
注意 最后一行
从SD 卡烧录NAND，写文件系统时 失败， 帮忙分析一下解决办法
