User manual
3.2.1 System boot methods
3.2.1.1 NAND Flash Boot
You can use the jumper cap to choose the boot
type, if connect the Place A, the board will boot
image from SD card, otherwise the board will boot
image from NAND Flash.
The nand flash already has the solidified code of
VGA display, user only need to connect the serial
port and set the hyper terminal configuration. User
can boot linux system from nand flash without
connect the jumper cap. If customers do not use
VGA, please refer to 【3.3.2 Update the image for
NAND Flash】.
3.2.1.2 SD card Boot
If you need to boot from the SD card, please refer to the following Display Options
3.2.2 Display Options
User need to replace the uImage to display LCD (4.3inch, 7inch) or VGA, concrete steps are as
follows:
1.Replace the SD card uImage file
Copy the image to the SD card and delete previous uImage. And rename the uImage_xx
as uImage on the SD card.
Warning:The XX’’LCD is the size of LCD you are using, it is included 4.3inch,
7inch, 10.4inch, VGA).
2. Enter U-boot Shell
40X
Texas Instruments X-Loader 1.45 (Mar 19 2010 - 16:09:58)
Starting X-loader on MMC
Reading boot sector
213544 Bytes Read from MMC
Starting OS Bootloader from MMC...
Starting OS Bootloader...
U-Boot 2009.11-svn ( 3 鏈?19 2010 - 16:14:31)