Current File : //usr/src/linux-headers-5.15.0-125-generic/drivers/firmware/smccc/Kconfig
# SPDX-License-Identifier: GPL-2.0-only
config HAVE_ARM_SMCCC
bool
help
Include support for the Secure Monitor Call (SMC) and Hypervisor
Call (HVC) instructions on Armv7 and above architectures.
config HAVE_ARM_SMCCC_DISCOVERY
bool
depends on ARM_PSCI_FW
default y
help
SMCCC v1.0 lacked discoverability and hence PSCI v1.0 was updated
to add SMCCC discovery mechanism though the PSCI firmware
implementation of PSCI_FEATURES(SMCCC_VERSION) which returns
success on firmware compliant to SMCCC v1.1 and above.
config ARM_SMCCC_SOC_ID
bool "SoC bus device for the ARM SMCCC SOC_ID"
depends on HAVE_ARM_SMCCC_DISCOVERY
default y
select SOC_BUS
help
Include support for the SoC bus on the ARM SMCCC firmware based
platforms providing some sysfs information about the SoC variant.
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