SunxiCpuConfig Class Reference

Allwinner sunxi CPU configuration module support. More...

#include <SunxiCpuConfig.h>

Inheritance diagram for SunxiCpuConfig:

Public Member Functions
virtual Result	initialize ()
	Perform initialization.
virtual Result	discover ()
	Discover processors.
virtual Result	boot (CoreInfo *info)
	Boot a processor.
Public Member Functions inherited from CoreManager
	CoreManager ()
	Constructor.
List< uint > &	getCores ()
	Get list of core identities.

Private Types
enum	Registers {   CpusRstCtrl = 0x0000 , Cpu0RstCtrl = 0x0040 , Cpu0Ctrl = 0x0044 , Cpu0Status = 0x0048 ,   Cpu1RstCtrl = 0x0080 , Cpu1Ctrl = 0x0084 , Cpu1Status = 0x0088 , Cpu2RstCtrl = 0x00C0 ,   Cpu2Ctrl = 0x00C4 , Cpu2Status = 0x00C8 , Cpu3RstCtrl = 0x0100 , Cpu3Ctrl = 0x0104 ,   Cpu3Status = 0x0108 , Cpu0PwrClamp = 0x0120 , Cpu1PwrClamp = 0x0124 , Cpu2PwrClamp = 0x0128 ,   Cpu3PwrClamp = 0x012C , CpuSysRst = 0x0140 , ClkGating = 0x0144 , GenCtrl = 0x0184 ,   SuperStandby = 0x01A0 , EntryAddr = 0x01A4 , DbgExtern = 0x01E4 , Cnt64Ctrl = 0x0280 ,   Cnt64Low = 0x0284 , Cnt64High = 0x0288 }
	Hardware registers. More...
enum	CpuRstCtrlFlags { CpuCoreReset = (1 << 1) }
	CPU::X Reset Control flags. More...

Private Attributes
Arch::IO	m_io
	Memory I/O object.
SunxiPowerManagement	m_power
	Power Management module.

Static Private Attributes
static const Size	NumberOfCores = 4
	Number of CPU processor cores is fixed.
static const Address	IOBase = 0x01F01C00
	Physical base memory address of CPU Configuration Module.

Additional Inherited Members
Public Types inherited from CoreManager
enum	Result { Success , IOError , NotFound , InvalidArgument }
	Result codes. More...
Protected Attributes inherited from CoreManager
List< uint >	m_cores
	List of core ids found.

Detailed Description

Allwinner sunxi CPU configuration module support.

Definition at line 39 of file SunxiCpuConfig.h.

Member Enumeration Documentation

CpuRstCtrlFlags

enum SunxiCpuConfig::CpuRstCtrlFlags

private

CPU::X Reset Control flags.

Enumerator
CpuCoreReset

Definition at line 85 of file SunxiCpuConfig.h.

Registers

enum SunxiCpuConfig::Registers

private

Hardware registers.

Enumerator
CpusRstCtrl	CPUs Reset Control.
Cpu0RstCtrl	CPU#0 Reset Control.
Cpu0Ctrl	CPU#0 Control.
Cpu0Status	CPU#0 Status.
Cpu1RstCtrl	CPU#1 Reset Control.
Cpu1Ctrl	CPU#1 Control.
Cpu1Status	CPU#1 Status.
Cpu2RstCtrl	CPU#2 Reset Control.
Cpu2Ctrl	CPU#2 Control.
Cpu2Status	CPU#2 Status.
Cpu3RstCtrl	CPU#3 Reset Control.
Cpu3Ctrl	CPU#3 Control.
Cpu3Status	CPU#3 Status.
Cpu0PwrClamp	CPU#0 Power Clamp.
Cpu1PwrClamp	CPU#0 Power Clamp.
Cpu2PwrClamp	CPU#0 Power Clamp.
Cpu3PwrClamp	CPU#0 Power Clamp.
CpuSysRst	CPU System Reset.
ClkGating	CPU Clock Gating.
GenCtrl	General Control.
SuperStandby	Super Standby Flag.
EntryAddr	Reset Entry Address.
DbgExtern	Debug External.
Cnt64Ctrl	64-bit Counter Control
Cnt64Low	64-bit Counter Low
Cnt64High	64-bit Counter High

Definition at line 52 of file SunxiCpuConfig.h.

Member Function Documentation

boot()

SunxiCpuConfig::Result SunxiCpuConfig::boot ( CoreInfo *  info )

virtual

Boot a processor.

Parameters

info	CoreInfo object pointer.

Returns

Result code.

Implements CoreManager.

Definition at line 52 of file SunxiCpuConfig.cpp.

References CoreInfo::coreId, Cpu0RstCtrl, Cpu1RstCtrl, Cpu2RstCtrl, Cpu3RstCtrl, DbgExtern, DEBUG, EntryAddr, ERROR, GenCtrl, CoreManager::InvalidArgument, CoreInfo::kernelEntry, m_io, m_power, SunxiPowerManagement::powerOnCore(), ARMIO::set(), CoreManager::Success, ARMIO::unset(), and ARMIO::write().

Referenced by SunxiCoreServer::bootCore().

discover()

SunxiCpuConfig::Result SunxiCpuConfig::discover ( )

virtual

Discover processors.

Returns

Result code.

Implements CoreManager.

Definition at line 44 of file SunxiCpuConfig.cpp.

References List< T >::append(), CoreManager::m_cores, NumberOfCores, and CoreManager::Success.

Referenced by SunxiCoreServer::discoverCores().

initialize()

SunxiCpuConfig::Result SunxiCpuConfig::initialize ( )

virtual

Perform initialization.

Returns

Result code.

Implements CoreManager.

Definition at line 21 of file SunxiCpuConfig.cpp.

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

Referenced by SunxiCoreServer::initialize().

Field Documentation

IOBase

const Address SunxiCpuConfig::IOBase = 0x01F01C00

staticprivate

Physical base memory address of CPU Configuration Module.

Definition at line 47 of file SunxiCpuConfig.h.

Referenced by initialize().

m_io

Arch::IO SunxiCpuConfig::m_io

private

Memory I/O object.

Definition at line 118 of file SunxiCpuConfig.h.

Referenced by boot(), and initialize().

m_power

SunxiPowerManagement SunxiCpuConfig::m_power

private

Power Management module.

Definition at line 121 of file SunxiCpuConfig.h.

Referenced by boot(), and initialize().

NumberOfCores

const Size SunxiCpuConfig::NumberOfCores = 4

staticprivate

Number of CPU processor cores is fixed.

Definition at line 44 of file SunxiCpuConfig.h.

Referenced by discover().

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

• lib/libarch/arm/sunxi/SunxiCpuConfig.h
• lib/libarch/arm/sunxi/SunxiCpuConfig.cpp