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U-booting Funtoo on the TI AM335x X2 SBC-B2

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Introduction

Installing Funtoo to a Raspberry Pi is fun, but there are a lot more boards out there. For example, the AM335x series. To get this going, we need to use the U-Boot bootloader.

See http://funtoo.org/Crossdev_Automation for the xcompile_variables.sh script referenced here, and a more complete introduction to the process.


Kernel Building

Defconfig Generation

root # cd $XC_KERNEL_SRC
root # ti_config_fragments/defconfig_builder.sh -t ti_sdk_am3x_release
root # ARCH=$ARCH CROSS_COMPILE=$CROSSDEV_TARGET make ti_sdk_am3x_release_defconfig
root # ARCH=$ARCH CROSS_COMPILE=$CROSSDEV_TARGET- make 
root # ARCH=$ARCH CROSS_COMPILE=$CROSSDEV_TARGET- uImage dtbs LOADADDR=0x82000000
root # cp arch/arm/boot/uImage $XC_STAGE3S/boot/
root # cp arch/arm/boot/zImage $XC_STAGE3S/boot/
root # cp arch/arm/boot/dts/am335x-evm.dtb  $XC_STAGE3S/boot/
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