| # Copyright (c) 2023 EPAM Systems |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| config OPTEE |
| bool "OP-TEE driver" |
| depends on (ARM64 && ARMV8_A_NS && HAS_ARM_SMCCC) || ZTEST |
| help |
| This implements support of the OP-TEE firmware which is loaded |
| as BL32 image. OP-TEE is a Trust Zone OS which implements mechanisms |
| of the hardware isolation and rely to ARM TrustZone technology. |
| Driver requests functions from the OP-TEE and implements RPC mechanism |
| needed by OP-TEE to run services. See https://www.op-tee.org for more |
| information. |
| |
| config OPTEE_MAX_NOTIF |
| int "Max number of OP-TEE notifications" |
| depends on OPTEE |
| default $(UINT8_MAX) |
| help |
| Sets the maximum notifications from OP-TEE to the Normal World. OP-TEE using |
| this mechanism for the synchronization. |