diff options
Diffstat (limited to 'arch/arm64/include/asm')
| -rw-r--r-- | arch/arm64/include/asm/acpi.h | 15 | ||||
| -rw-r--r-- | arch/arm64/include/asm/psci.h | 3 |
2 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index c5a9b9741635..9ea650c991c9 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -32,6 +32,18 @@ extern int acpi_disabled; extern int acpi_noirq; extern int acpi_pci_disabled; +/* 1 to indicate PSCI 0.2+ is implemented */ +static inline bool acpi_psci_present(void) +{ + return acpi_gbl_FADT.arm_boot_flags & ACPI_FADT_PSCI_COMPLIANT; +} + +/* 1 to indicate HVC must be used instead of SMC as the PSCI conduit */ +static inline bool acpi_psci_use_hvc(void) +{ + return acpi_gbl_FADT.arm_boot_flags & ACPI_FADT_PSCI_USE_HVC; +} + static inline void disable_acpi(void) { acpi_disabled = 1; @@ -60,6 +72,9 @@ static inline bool acpi_has_cpu_in_madt(void) static inline void arch_fix_phys_package_id(int num, u32 slot) { } +#else +static inline bool acpi_psci_present(void) { return false; } +static inline bool acpi_psci_use_hvc(void) { return false; } #endif /* CONFIG_ACPI */ #endif /*_ASM_ACPI_H*/ diff --git a/arch/arm64/include/asm/psci.h b/arch/arm64/include/asm/psci.h index e5312ea0ec1a..2454bc59c916 100644 --- a/arch/arm64/include/asm/psci.h +++ b/arch/arm64/include/asm/psci.h @@ -14,6 +14,7 @@ #ifndef __ASM_PSCI_H #define __ASM_PSCI_H -int psci_init(void); +int psci_dt_init(void); +int psci_acpi_init(void); #endif /* __ASM_PSCI_H */ |