config SOC_AMD_COMMON_BLOCK_APOB bool help Select this option to add firmware support for the non-volatile APOB cache to the build. config SOC_AMD_COMMON_BLOCK_APOB_NV_DISABLE bool "Disable non-volatile APOB support" depends on SOC_AMD_COMMON_BLOCK_APOB help Select this to disable non-volatile APOB cache and train memory on every boot. If unsure, say N. config SOC_AMD_COMMON_BLOCK_APOB_HASH bool help Select this to use a hash of the APOB data to determine when to update the non-volatile APOB store.