RSB-4220 User Manual
62
4.1
System Recovery
This section provides detail procedures of restoring the eMMC image. You can do
system recovery through below steps if you destroy onboard flash image by accident.
1.
Copy “4220LIVxxxx_yyyy-mm-dd.tar.gz” package to your /root/.
2.
Open "Terminal" on Ubuntu 12.04 LTS..
3.
$sudo
su
(Change to “root” authority)
4.
Input your password.
5.
#cd
root/
6.
#tar
xzvf
4220LIVxxxx_yyyy
‐
mm
‐
dd.tar.gz
(Unzip files)
7.
Insert one SD card to your developing computer
8.
Check the SD card location, like /dev/sdb
9.
#cd
./4220LIVxxxx_yyyy
‐
mm
‐
dd/scripts
10.
#./mksd
‐
linux.sh
/dev/sdb
11.
Type “y” (Start to copy files, wait until it shows [Done])
12.
Connect console cable to debug port (CN1) and open serial console program on
Ubuntu 12.04 LTS, set baudrate to 115200. For detail console setting, please
refer to section 3.6.
13.
On RSB-4220 platform, type
#root
(Login)
14.
On RSB-4220 platform, type
#cd
/mk_inand
15.
On RSB-4220 platform, type
#./mkinand
‐
linux.sh
/dev/mmcblk1
16.
On RSB-4220 platform, type “y “
(Start to copy files, wait until it shows [Done])
17.
Power off and remove this SD card.
