bc10/Software

Summary †

This section explains the building process of U-Boot, which is used as second bootloader as bc10 starts booting up. This
building process is originally created for BeagleBoard. Since bc10 is a clone of BeagleBoard, the original building method
can be used for bc10's U-Boot. The boot process of bc10 and the installation of U-Boot are discussed at bc10/booting.

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Development Environment †

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Building U-Boot †

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Setting up Environment Variable †

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OpenEmbedded Toolchain †

Make sure that the development environment is already installed into the host environment before toolchain of
OpenEmbedded Linux is used. The information of setting of the OpenEmbedded development environment is available
at bc10/OpenEmbedded Linux.
To use the toolchain, configure the environment variable.

export PATH=${WORK_DIR}/OE/angstrom-dev/cross/armv7a/bin:${PATH}
export ARCH=arm
export CROSS_COMPILE=arm-angstrom-linux-gnueabi-
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rowboat toolchain †

Please install the rowboat development environment before rowboat's toolchain s is used. For more information about
setting the development environment for rowboat, please look at bc10/rowboat. To use the toolchain, set up the
environment variable.

export PATH=${WORK_DIR}/rowboat-eclair-dsp/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin:${PATH}
export ARCH=arm
export CROSS_COMPILE=arm-eabi-
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Obtain source code †

Obtain the source code for bc10 specific U-Boot from git repository.

git clone git://gitorious.org/bc10/u-boot-bc10.git u-boot-bc10
cd u-boot-bc10
git checkout -t -b build origin/build


Get the source code from the proper git repository.

git clone git://git.denx.de/u-boot.git u-boot-main
cd u-boot-main
git checkout --track -b omap3 origin/master
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Build †

To use OpenEmbedded toolchain, cross-build U-Boot, which is specifically modified for bc10.

make mrproper
make omap3_bc10_config
make


To apply OpenEmbedded toolchain, cross-build U-Boot for OMAP3 devices in general.

make mrproper
make omap3_beagle_config
make

As the build process is successfully completed, u-boot.bin is produced.
For more information about placing U-Boot into SD Card, please visit at bc10/booting.

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Reference †

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Revision History †

2010/07/23 Initial release
2010/09/16 Add bc10 specific source code repository and build process

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