mini2440,通过nor flash菜单能正常启动系统，当将开关拨到nand flash ，串口重复输出如下信息：
+---------------------------------------------+
| S3C2440A USB Downloader ver R0.03 2004 Jan |
+---------------------------------------------+
USB: IN_ENDPOINT:1 OUT_ENDPOINT:3
FORMAT: <ADDR(DATA):4>+<SIZE(n+10):4>+<DATA:n>+<CS:2>
NOTE: Power off/on or press the reset button for 1 sec
in order to get a valid USB device address.
VIVI version 0.1.4 (root@capcross) (gcc version 2.95.3 20010315 (release)) #0.1.
4 Mon Oct 27 10:18:15 CST 2008
MMU table base address = 0x33DFC000
Succeed memory mapping.
DIVN_UPLL0
MPLLVal [M:7fh,P:2h,S:1h]
CLKDIVN:5h
注：依次烧写bootloader ,内核映像，文件系统映像为：supervivi_mini2440，zImage_N35，root_qtopia.img。
谢谢
