tiny6410烧linux成功，再打开没启动，s2打到nand 启动，打开s1然后就是出现白屏，链接串口提示如下，新手，这是什么问题？
U-Boot 1.1.6 (Dec 31 2010 - 14:36:43) for FriendlyARM MINI6410
CPU: S3C6410@532MHz
Fclk = 532MHz, Hclk = 133MHz, Pclk = 66MHz, Serial = CLKUART (SYNC Mode)
Board: MINI6410
DRAM: 256 MB
Flash: 0 kB
NAND: NAND device: Manufacturer ID: 0xec, Chip ID: 0xd5 (Samsung NAND 2GiB 3,3V 8-bit)
NAND bus width 8 instead 16 bit
No NAND device found!!!
0 MB
