1 # SPDX-License-Identifier: GPL-2.0-only
5 Include support for the Secure Monitor Call (SMC) and Hypervisor
6 Call (HVC) instructions on Armv7 and above architectures.
8 config HAVE_ARM_SMCCC_DISCOVERY
10 depends on ARM_PSCI_FW
13 SMCCC v1.0 lacked discoverability and hence PSCI v1.0 was updated
14 to add SMCCC discovery mechanism though the PSCI firmware
15 implementation of PSCI_FEATURES(SMCCC_VERSION) which returns
16 success on firmware compliant to SMCCC v1.1 and above.
18 config ARM_SMCCC_SOC_ID
19 bool "SoC bus device for the ARM SMCCC SOC_ID"
20 depends on HAVE_ARM_SMCCC_DISCOVERY
24 Include support for the SoC bus on the ARM SMCCC firmware based
25 platforms providing some sysfs information about the SoC variant.