| /* |
| * Copyright 2020 Carlo Caione <ccaione@baylibre.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef ZEPHYR_INCLUDE_DRIVERS_PM_CPU_OPS_PSCI_H_ |
| #define ZEPHYR_INCLUDE_DRIVERS_PM_CPU_OPS_PSCI_H_ |
| |
| #include <zephyr/types.h> |
| #include <zephyr/arch/arm64/arm-smccc.h> |
| #include <stddef.h> |
| #include <zephyr/device.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* PSCI version decoding (independent of PSCI version) */ |
| #define PSCI_VERSION_MAJOR_SHIFT 16 |
| #define PSCI_VERSION_MINOR_MASK \ |
| ((1U << PSCI_VERSION_MAJOR_SHIFT) - 1) |
| #define PSCI_VERSION_MAJOR_MASK ~PSCI_VERSION_MINOR_MASK |
| |
| #define PSCI_VERSION_MAJOR(ver) \ |
| (((ver) & PSCI_VERSION_MAJOR_MASK) >> PSCI_VERSION_MAJOR_SHIFT) |
| #define PSCI_VERSION_MINOR(ver) \ |
| ((ver) & PSCI_VERSION_MINOR_MASK) |
| |
| uint32_t psci_version(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* ZEPHYR_INCLUDE_DRIVERS_PM_CPU_OPS_PSCI_H_ */ |
