重新焊接nand flash后，出现如下提示：
System bootstrap …
Nor Flash ID: 0x0102164D, SIZE: 8388608Bytes
Using 300.000 MHz high precision timer.
Press Ctrl+B to enter Boot Menu …..
Load Ctrl Program …
Load CTRL with ECC……
Executing program, launch at: 0x01800000
Ctrl Version: RGOS 10.4(2b12)p1 Release(160818)
MTD_DRIVER-5-MTD_NAND_FOUND: 1 NAND chips(chip size : 134217728) detected
Wait serveral minutes for setting up file system marker to OOB after last time format.
FILESYS-3-FLASH: Cannot mount filesystem [jffs2] on root device [/dev/mtdblock/1], errno[-22].
Press Ctrl+C to enter Ctrl ……
!!!NOTICE!!!
Main program (rgos.bin) is lost!
Press F1 key to recover this problem step by step, or wait 2 seconds to get in factory tftp download.
Now begin to download all files through the FileList.
Host IP[192.168.64.1] Target IP[192.168.64.200] File name[FileList.txt]
%Now Begin Download File FileList.txt From 192.168.64.1 to 192.168.64.200
send download request.
