psci.h File Reference

#include <zephyr/types.h>
#include <zephyr/arch/arm64/arm-smccc.h>
#include <stddef.h>
#include <zephyr/device.h>

Go to the source code of this file.

Macros
#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)

Functions
uint32_t	psci_version (void)
int	psci_cpu_suspend (uint32_t state, uintptr_t entry_point)
	Function to call PSCI CPU_SUSPEND.

Macro Definition Documentation

PSCI_VERSION_MAJOR

#define PSCI_VERSION_MAJOR

(

ver

)

(((ver) & PSCI_VERSION_MAJOR_MASK) >> PSCI_VERSION_MAJOR_SHIFT)

PSCI_VERSION_MAJOR_MASK

#define PSCI_VERSION_MAJOR_MASK   ~PSCI_VERSION_MINOR_MASK

PSCI_VERSION_MAJOR_SHIFT

#define PSCI_VERSION_MAJOR_SHIFT   16

PSCI_VERSION_MINOR

#define PSCI_VERSION_MINOR

(

ver

)

((ver) & PSCI_VERSION_MINOR_MASK)

PSCI_VERSION_MINOR_MASK

#define PSCI_VERSION_MINOR_MASK    ((1U << PSCI_VERSION_MAJOR_SHIFT) - 1)

Function Documentation

psci_cpu_suspend()

int psci_cpu_suspend	(	uint32_t	state,
		uintptr_t	entry_point
	)

Function to call PSCI CPU_SUSPEND.

This function is API for CPU_SUSPEND PSCI SMC call.

Parameters

state	CPU Power state
entry_point	The address entry when returning from suspend

Return values

0	if enter suspend successfully, others for failure

psci_version()

uint32_t psci_version

(

void

)