config OPTEE_LIB bool "Support OPTEE library" default y if OPTEE || OPTEE_IMAGE help Selecting this option will enable the shared OPTEE library code. config OPTEE_IMAGE bool "Support OPTEE images" help Selecting this option to boot OPTEE images. This option enable the OPTEE specific checks done before booting an OPTEE image created with mkimage config OPTEE_TZDRAM_SIZE hex "Amount of Trust-Zone RAM for the OPTEE image" default 0x0000000 depends on OPTEE_LIB help The size of pre-allocated Trust Zone DRAM to allocate for the OPTEE runtime. config BOOTM_OPTEE bool "Support OPTEE bootm command" select BOOTM_LINUX select OPTEE_IMAGE help Select this command to enable chain-loading of a Linux kernel via an OPTEE firmware. The bootflow is BootROM -> u-boot -> OPTEE -> Linux in this case.