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| author | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2017-12-03 22:48:06 +0100 |
|---|---|---|
| committer | Peter Korsgaard <peter@korsgaard.com> | 2017-12-08 12:27:36 +0100 |
| commit | 968445911362642d4e353a4c5cdb8bc6fdaf6b92 (patch) | |
| tree | 1f9104a743f3319dd302e65cf5d7107ed081ba6f /boot | |
| parent | 3f64b08ff0fa601b61b93a7c9f0553d34196dcfd (diff) | |
| download | buildroot-968445911362642d4e353a4c5cdb8bc6fdaf6b92.tar.gz buildroot-968445911362642d4e353a4c5cdb8bc6fdaf6b92.zip | |
arm-trusted-firmware: allow to generate the BL31 image
Some platforms (e.g Allwinner ARM64) don't build a FIP image out of
ATF, but only a BL31 image, which is then encapsulated in U-Boot. This
commit adds an ATF option to build such an image.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Diffstat (limited to 'boot')
| -rw-r--r-- | boot/arm-trusted-firmware/Config.in | 7 | ||||
| -rw-r--r-- | boot/arm-trusted-firmware/arm-trusted-firmware.mk | 4 |
2 files changed, 11 insertions, 0 deletions
diff --git a/boot/arm-trusted-firmware/Config.in b/boot/arm-trusted-firmware/Config.in index b8b926982e..7aef87cb74 100644 --- a/boot/arm-trusted-firmware/Config.in +++ b/boot/arm-trusted-firmware/Config.in @@ -64,6 +64,13 @@ config BR2_TARGET_ARM_TRUSTED_FIRMWARE_FIP platforms were ATF encapsulates the second stage bootloader (such as U-Boot). +config BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31 + bool "Build BL31 image" + help + This option enables building the BL31 image. This is + typically used on platforms where another bootloader (e.g + U-Boot) encapsulates ATF BL31. + config BR2_TARGET_ARM_TRUSTED_FIRMWARE_UBOOT_AS_BL33 bool "Use U-Boot as BL33" depends on BR2_TARGET_UBOOT diff --git a/boot/arm-trusted-firmware/arm-trusted-firmware.mk b/boot/arm-trusted-firmware/arm-trusted-firmware.mk index 3731829d5d..0aa7c9b492 100644 --- a/boot/arm-trusted-firmware/arm-trusted-firmware.mk +++ b/boot/arm-trusted-firmware/arm-trusted-firmware.mk @@ -47,6 +47,10 @@ ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_FIP),y) ARM_TRUSTED_FIRMWARE_MAKE_TARGETS += fip endif +ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31),y) +ARM_TRUSTED_FIRMWARE_MAKE_TARGETS += bl31 +endif + define ARM_TRUSTED_FIRMWARE_BUILD_CMDS $(TARGET_CONFIGURE_OPTS) \ $(MAKE) -C $(@D) $(ARM_TRUSTED_FIRMWARE_MAKE_OPTS) \ |
