diff options
| -rw-r--r-- | arch/arm/Kconfig | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index abbc89a889..2e08e9907a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1801,8 +1801,13 @@ config TFABOOT depends on ARCH_SUPPORT_TFABOOT default n help - Enabling this will make a U-Boot binary that is capable of being - booted via TF-A (Trusted Firmware for Cortex-A). + Some platforms support the setup of secure registers (for instance + for CPU errata handling) or provide secure services like PSCI. + Those services could also be provided by other firmware parts + like TF-A (Trusted Firmware for Cortex-A), in which case U-Boot + does not need to (and cannot) execute this code. + Enabling this option will make a U-Boot binary that is relying + on other firmware layers to provide secure functionality. config TI_SECURE_DEVICE bool "HS Device Type Support" |