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This change defines resources for OP-TEE service drivers to register themselves for being bound to when OP-TEE firmware reports the related service is supported. OP-TEE services are discovered during optee driver probe sequence which mandates optee driver is always probe once bound. Discovery of optee services and binding to related U-Boot drivers is embedded upon configuration switch CONFIG_OPTEE_SERVICE_DISCOVERY. Cc: Jens Wiklander <jens.wiklander@linaro.org> Cc: Patrick Delaunay <patrick.delaunay@foss.st.com> Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
50 lines
1.4 KiB
Text
50 lines
1.4 KiB
Text
# OP-TEE Trusted Execution Environment Configuration
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config OPTEE
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bool "OP-TEE"
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depends on ARM_SMCCC
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help
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This implements the OP-TEE Trusted Execution Environment (TEE)
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driver. OP-TEE is a Trusted OS designed primarily to rely on the
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ARM TrustZone(R) technology as the underlying hardware isolation
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mechanism. This driver can request services from OP-TEE, but also
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handle Remote Procedure Calls (RPC) from OP-TEE needed to
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execute a service. For more information see: https://www.op-tee.org
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if OPTEE || SANDBOX
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menu "OP-TEE options"
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config OPTEE_TA_AVB
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bool "Support AVB TA"
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default y
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help
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Enables support for the AVB Trusted Application (TA) in OP-TEE.
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The TA can support the "avb" subcommands "read_rb", "write"rb"
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and "is_unlocked".
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config OPTEE_TA_RPC_TEST
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bool "Support RPC TEST TA"
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depends on SANDBOX_TEE
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default y
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help
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Enables support for RPC test trusted application emulation, which
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permits to test reverse RPC calls to TEE supplicant. Should
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be used only in sandbox env.
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config OPTEE_TA_SCP03
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bool "Support SCP03 TA"
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default y
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help
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Enables support for controlling (enabling, provisioning) the
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Secure Channel Protocol 03 operation in the OP-TEE SCP03 TA.
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config OPTEE_SERVICE_DISCOVERY
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bool "OP-TEE service discovery"
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default y
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help
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This implements automated driver binding of OP-TEE service drivers by
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requesting OP-TEE firmware to enumerate its hosted services.
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endmenu
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endif
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