Allwinner Power, Reset and Clock Management (PRCM) module. More...

#include <SunxiPowerManagement.h>

Public Types
enum	Result { Success, IOError, InvalidArgument }
	Result codes. More...

Public Member Functions
Result	initialize ()
	Perform initialization. More...

Result	powerOnCore (const Size coreId)
	Power on a processor. More...

Private Types
enum	Registers { CpuPowerOff = 0x100, CpuPowerClamp = 0x140 }
	Hardware registers. More...

Private Attributes
Arch::IO	m_io
	Memory I/O object. More...

Static Private Attributes
static const Address	IOBase = 0x01F01400
	Physical base memory address of the PRCM module. More...

static const Size	NumberOfCores = 4
	Total number of cores supported. More...

Detailed Description

Allwinner Power, Reset and Clock Management (PRCM) module.

Definition at line 38 of file SunxiPowerManagement.h.

Member Enumeration Documentation

◆ Registers

enum SunxiPowerManagement::Registers

private

Hardware registers.

Enumerator
CpuPowerOff
CpuPowerClamp

Definition at line 53 of file SunxiPowerManagement.h.

◆ Result

enum SunxiPowerManagement::Result

Result codes.

Enumerator
Success
IOError
InvalidArgument

Definition at line 64 of file SunxiPowerManagement.h.

Member Function Documentation

◆ initialize()

SunxiPowerManagement::Result SunxiPowerManagement::initialize ( )

Perform initialization.

Returns: Result code.

Definition at line 20 of file SunxiPowerManagement.cpp.

References Memory::Device, ERROR, IO::getBase(), IOBase, IOError, m_io, IO::map(), PAGESIZE, Memory::Readable, IO::setBase(), IO::Success, Success, Memory::User, and Memory::Writable.

Referenced by SunxiCpuConfig::initialize().

◆ powerOnCore()

SunxiPowerManagement::Result SunxiPowerManagement::powerOnCore ( const Size coreId )

Power on a processor.

Parameters

coreId Number of the core to power on.

Returns: Result code.

Definition at line 34 of file SunxiPowerManagement.cpp.

References coreId, CpuPowerClamp, CpuPowerOff, ERROR, InvalidArgument, m_io, NumberOfCores, Success, ARMIO::unset(), and ARMIO::write().

Referenced by SunxiCpuConfig::boot().

Field Documentation

◆ IOBase

const Address SunxiPowerManagement::IOBase = 0x01F01400

staticprivate

Physical base memory address of the PRCM module.

Definition at line 43 of file SunxiPowerManagement.h.

Referenced by initialize().

◆ m_io

Arch::IO SunxiPowerManagement::m_io

private

Memory I/O object.

Definition at line 90 of file SunxiPowerManagement.h.

Referenced by initialize(), and powerOnCore().

◆ NumberOfCores

const Size SunxiPowerManagement::NumberOfCores = 4

staticprivate

Total number of cores supported.

Definition at line 46 of file SunxiPowerManagement.h.

Referenced by powerOnCore().

The documentation for this class was generated from the following files:

lib/libarch/arm/sunxi/SunxiPowerManagement.h
lib/libarch/arm/sunxi/SunxiPowerManagement.cpp

Public Types

Public Member Functions

Private Types

Private Attributes

Static Private Attributes