SunxiSystemControl Class Reference

Allwinner System Control (SYSCON) module. More...

#include <SunxiSystemControl.h>

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

Public Member Functions
Result	initialize ()
	Perform initialization. More...
Result	setupEmac (const uint phyAddr)
	Setup EMAC mode. More...

Private Types
enum	Registers { EmacClock = 0x30 }
	Hardware registers. More...
enum	EmacClockFlags {   EmacClockDefault = 0x58000, EmacClockMask = 0xffff8000, EmacClockPhyShift = 20, EmacClockLedPoll = (1 << 17),   EmacClockShutdown = (1 << 16), EmacClockSelect = (1 << 15), EmacClockRmiiEn = (1 << 13) }
	EMAC Clock Register flags. More...

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

Static Private Attributes
static const Address	IOBase = 0x01C00000
	Physical base memory address of the SYSCON module. More...

Detailed Description

Allwinner System Control (SYSCON) module.

Definition at line 38 of file SunxiSystemControl.h.

Member Enumeration Documentation

EmacClockFlags

enum SunxiSystemControl::EmacClockFlags

private

EMAC Clock Register flags.

Enumerator
EmacClockDefault
EmacClockMask
EmacClockPhyShift
EmacClockLedPoll
EmacClockShutdown
EmacClockSelect
EmacClockRmiiEn

Definition at line 58 of file SunxiSystemControl.h.

Registers

enum SunxiSystemControl::Registers

private

Hardware registers.

Enumerator
EmacClock

Definition at line 50 of file SunxiSystemControl.h.

Result

enum SunxiSystemControl::Result

Result codes.

Enumerator
Success
IOError
InvalidArgument

Definition at line 74 of file SunxiSystemControl.h.

Member Function Documentation

initialize()

SunxiSystemControl::Result SunxiSystemControl::initialize

(

)

Perform initialization.

Returns

Result code.

Definition at line 21 of file SunxiSystemControl.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 Sun8iEmac::initialize().

setupEmac()

SunxiSystemControl::Result SunxiSystemControl::setupEmac

(

const uint

phyAddr

)

Setup EMAC mode.

Parameters

phyAddr

PHY address

Returns

Result code.

Definition at line 35 of file SunxiSystemControl.cpp.

References DEBUG, EmacClock, EmacClockDefault, EmacClockLedPoll, EmacClockMask, EmacClockPhyShift, EmacClockRmiiEn, EmacClockSelect, EmacClockShutdown, m_io, ARMIO::read(), Success, and ARMIO::write().

Referenced by Sun8iEmac::resetPhy().

Field Documentation

IOBase

const Address SunxiSystemControl::IOBase = 0x01C00000

staticprivate

Physical base memory address of the SYSCON module.

Definition at line 43 of file SunxiSystemControl.h.

Referenced by initialize().

m_io

Arch::IO SunxiSystemControl::m_io

private

Memory I/O object.

Definition at line 100 of file SunxiSystemControl.h.

Referenced by initialize(), and setupEmac().

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

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