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bootm: optee: Add a bootm command for type IH_OS_TEE

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This patch makes it possible to verify the contents and location of an
OPTEE image in DRAM prior to handing off control to that image. If image
verification fails we won't try to boot any further.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Suggested-by: Andrew F. Davis <afd@ti.com>
Cc: Harinarayan Bhatta <harinarayan@ti.com>
Cc: Andrew F. Davis <afd@ti.com>
Cc: Tom Rini <trini@konsulko.com>
Cc: Kever Yang <kever.yang@rock-chips.com>
Cc: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Cc: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Bryan O'Donoghue
2018-03-13 16:50:36 +00:00
committed by Tom Rini
parent 45b55712d4
commit c225e7cf54
2 changed files with 41 additions and 0 deletions
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9
lib/optee/Kconfig
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@ -28,3 +28,12 @@ config OPTEE_TZDRAM_BASE
help
The base address of pre-allocated Trust Zone DRAM for
the OPTEE runtime.
config BOOTM_OPTEE
bool "Support OPTEE bootm command"
select BOOTM_LINUX
default n
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.