Flashing NAND Flash

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Flashing UBL and U-Boot Bootloaders to NAND Flash

This page discusses how to flash the UBL and U-Boot boot loader to the NAND flash on the DM644x board using TI DVFlasher utility.

Download the DVFlasher utility and boot loader binaries

• Browse to http://www.ti.com/dvevmupdates. If you have not already created an account do so now. If you already have an account, select the "Go to Software Update Site" link.
• Log into your ti.com account and select the "DM644x DVEVM" section from the "Davinci Software Updates" page.
• In the "DaVinci DM644x EVM Miscellaneous Components" section download the DVFlasher utility. i.e. dvflasher_1_12.tar.gz
• In the "DaVinci DM644x EVM Miscellaneous Components" section download the restore files. i.e. restore_1_20_00_10.tar.gz

Make a working directory

 host$ mkdir /home/user/workdir
 host$ cp dvflasher_x_xx.tar.gz /home/user/workdir
 host$ cp restore_x_xx_00_10.tar.gz /home/user/workdir

Unpack the downloaded files

 host$ cd /home/user/workdir
 host$ tar xzf dvflasher_x_xx.tar.gz
 host$ tar xzf restore_x_xx_xx_xx.tar.gz
 host$ chmod +w restore
 host$ cd restore
 host$ tar xzf Release_BinaryPackage.tar.gz

You should now have the DVFlasher utility unpacked in the working directory and a directory containing the ubl and u-boot binaries in the restore/Release_BinaryPackage directory. Follow the directions in the readme.txt file to flash the ubl and u-boot bootloaders to you DM644x board's NAND flash. For example:

 host$ make
 host$ cd exe

NOTE: For Linux systems you will need to install the mono package. See the readme.txt file for more information on mono.

Program the NAND flash

• With the DM644x board powered off set the J4 jumper to NAND and set the S3 red switch to 1100111110 where 1=on and 0=off.
• You can specify the serial port to use and other options.

 host$ mono DVFlasher_1_12.exe --help

• Power on the DM644x board.

 host$ mono DVFlasher_1_12.exe -enand

• Power cycle the board

 host$ mono DVFlasher_1_12.exe -fnandbin ../restore/Release_BinaryPackage/u-boot-594-nand.bin

NOTE: You may need to specify the -p option if you are using a com port other than the default 'COM1' or '/dev/ttyS0'

NOTE: You must not have any other program using the serial connection. i.e. minicom.

After completing the steps in the readme.txt file you can now check that the ubl and u-boot bootloaders have been successfully flashed to the DM644x board.

Test the installation

• Power off the DM644x board
• Set the S3 red switch to 0000111110 where 1=on and 0=off
• Connect to the board with a serial console. i.e. minicom
• Power on the DM644x board
• You should now see u-boot load. Press any key to halt the boot process.

DVFlasher source code

You can also access the DVFlasher source code.