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 AMP bool "Enable AMP drivers using Driver Model" help This support Asymmetric Multi-Processing, cpus can run on different firmware.config ROCKCHIP_AMP bool "Enable Rockchip AMP driver" depends on AMP && ROCKCHIP_SMCCC && RKIMG_BOOTLOADER help This enable Rockchip AMP driver support.