config CPU bool "Enable CPU drivers using Driver Model" help This allows drivers to be provided for CPUs and their type to be specified in the board's device tree. For boards which support multiple CPUs, then normally have to be set up in U-Boot so that they can work correctly in the OS. This provides a framework for finding out information about available CPUs and making changes. config CPU_MPC83XX bool "Enable MPC83xx CPU driver" depends on CPU select CLK_MPC83XX help Support CPU cores for SoCs of the MPC83xx series.