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Commit 4fb0a5eb authored by Jens Wiklander's avatar Jens Wiklander
Browse files

tee: add OP-TEE driver 



Adds a OP-TEE driver which also can be compiled as a loadable module.

* Targets ARM and ARM64
* Supports using reserved memory from OP-TEE as shared memory
* Probes OP-TEE version using SMCs
* Accepts requests on privileged and unprivileged device
* Uses OPTEE message protocol version 2 to communicate with secure world

Acked-by: default avatarAndreas Dannenberg <dannenberg@ti.com>
Tested-by: Jerome Forissier <jerome.forissier@linaro.org> (HiKey)
Tested-by: Volodymyr Babchuk <vlad.babchuk@gmail.com> (RCAR H3)
Tested-by: default avatarScott Branden <scott.branden@broadcom.com>
Reviewed-by: default avatarJavier González <javier@javigon.com>
Signed-off-by: default avatarJens Wiklander <jens.wiklander@linaro.org>
parent 967c9cca

MAINTAINERS

+5 −0
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@@ -9369,6 +9369,11 @@ F: arch/*/oprofile/ 
F:	drivers/oprofile/

F:	include/linux/oprofile.h



OP-TEE DRIVER

M:	Jens Wiklander <jens.wiklander@linaro.org>

S:	Maintained

F:	drivers/tee/optee/



ORACLE CLUSTER FILESYSTEM 2 (OCFS2)

M:	Mark Fasheh <mfasheh@versity.com>

M:	Joel Becker <jlbec@evilplan.org>

drivers/tee/Kconfig

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@@ -6,3 +6,13 @@ config TEE 
	help

	  This implements a generic interface towards a Trusted Execution

	  Environment (TEE).



if TEE



menu "TEE drivers"



source "drivers/tee/optee/Kconfig"



endmenu



endif

drivers/tee/Makefile

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@@ -2,3 +2,4 @@ obj-$(CONFIG_TEE) += tee.o 
tee-objs += tee_core.o

tee-objs += tee_shm.o

tee-objs += tee_shm_pool.o

obj-$(CONFIG_OPTEE) += optee/

drivers/tee/optee/Kconfig

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# OP-TEE Trusted Execution Environment Configuration

config OPTEE

	tristate "OP-TEE"

	depends on HAVE_ARM_SMCCC

	help

	  This implements the OP-TEE Trusted Execution Environment (TEE)

	  driver.

drivers/tee/optee/Makefile

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obj-$(CONFIG_OPTEE) += optee.o

optee-objs += core.o

optee-objs += call.o

optee-objs += rpc.o

optee-objs += supp.o