diff options
| author | York Sun <york.sun@nxp.com> | 2017-05-15 15:52:00 (GMT) |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-06-02 02:57:24 (GMT) |
| commit | 8e59778bec16fa318fcfcc6abba2a88113e5b052 (patch) | |
| tree | 96fee40c116e3365d9dfacb489573dd2521dd23a /arch/arm/cpu/armv8/fsl-layerscape/Kconfig | |
| parent | 399e2bb60cb76131c49446baf350697142af7c07 (diff) | |
| download | u-boot-8e59778bec16fa318fcfcc6abba2a88113e5b052.tar.xz | |
armv8: layerscape: Enabling loading PPA during SPL stage
Loading PPA in SPL puts the rest of U-Boot (including RAM version
loaded later) in EL2 with MMU and cache enabled. Once PPA is loaded,
PSCI is available.
Signed-off-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/Kconfig')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index fa386c6..d8b285d 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -135,6 +135,19 @@ config FSL_LS_PPA which is loaded during boot stage, and then remains resident in RAM and runs in the TrustZone after boot. Say y to enable it. + +config SPL_FSL_LS_PPA + bool "FSL Layerscape PPA firmware support for SPL build" + depends on !ARMV8_PSCI + select SPL_ARMV8_SEC_FIRMWARE_SUPPORT + select SEC_FIRMWARE_ARMV8_PSCI + select ARMV8_SEC_FIRMWARE_ERET_ADDR_REVERT if FSL_LSCH2 + help + The FSL Primary Protected Application (PPA) is a software component + which is loaded during boot stage, and then remains resident in RAM + and runs in the TrustZone after boot. This is to load PPA during SPL + stage instead of the RAM version of U-Boot. Once PPA is initialized, + the rest of U-Boot (including RAM version) runs at EL2. choice prompt "FSL Layerscape PPA firmware loading-media select" depends on FSL_LS_PPA |