From OMAPpedia

[edit] Bootloader

For more information regarding bootloader visit the Bootloader Project

The OMAP4 dedicated instructions are described below:

• Version tagging into u-boot and x-loader trees: some stable release are tagged into u-boot and x-loader trees. It is advised to use the most recent (higher number) of these stable tags, and the same number for u-boot and x-loader (this will guarantee they are aligned). The tags to use for OMAP4 are: L24.x (with x being the highest value). Note that these tags are applied in the omap4_dev branch of the u-boot and x-loader trees.

• setup folders:

mkdir bootloader
cd bootloader

• Get u-boot and checkout the omap4_dev branch:

git clone git://git.omapzoom.org/repo/u-boot.git
cd u-boot
git checkout <latest L24.x tag>

• Build u-boot for OMAP4

make ARCH=arm distclean
make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- omap4430sdp_config
make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi-

=> Generates: ./u-boot.bin

• get x-loader and checkout the omap4_dev branch:

cd ..
git clone git://git.omapzoom.org/repo/x-loader.git 
cd x-loader
git checkout <latest L24.x tag>

(note that both u-boot and x-loader folders must be at the same directory level)

• build x-loader for OMAP4:

make ARCH=arm distclean 
make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- omap4430sdp_config 
make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- ift

=> Generates ./MLO

The generated MLO and u-boot.bin files will have to be copied on the SD card.

Note: To get the list of L24.x tags, once in the cloned u-boot or x-loader folder, type:

git tag | grep L24