:<p>i. '''u-boot''': stores the source code of u-boot, the folder named '''v2017.09-rk3588''' stores the u-boot source code of the legacy branch of the RK3588/RK3588S/RK3566 series development boards, the name of the folder of the u-boot source code Please do not modify it manually, if it is modified, the u-boot source code will be re-downloaded when the compiling system is running</p>

:<p>j. '''userpatches''': Store configuration files needed to compile scripts</p></li>

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