Allwinner Clock Control Unit (CCU) More...

#include <SunxiClockControl.h>

Public Types
enum	Clock { ClockEmacTx = 1, ClockEphy }
	Clock identifiers. More...

enum	Reset { ResetEmacTx = 1, ResetEphy }
	Reset signal identifiers. More...

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

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

Result	enable (const Clock clock)
	Enable a clock. More...

Result	deassert (const Reset reset)
	De-assert a reset signal. More...

Private Types
enum	Registers
	Hardware registers. More...

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

Static Private Attributes
static const Address	IOBase = 0x01C20000
	Physical base memory address of the CCU module. More...

Detailed Description

Allwinner Clock Control Unit (CCU)

Definition at line 38 of file SunxiClockControl.h.

Member Enumeration Documentation

◆ Clock

enum SunxiClockControl::Clock

Clock identifiers.

Enumerator
ClockEmacTx
ClockEphy

Definition at line 59 of file SunxiClockControl.h.

◆ Registers

enum SunxiClockControl::Registers

private

Hardware registers.

Definition at line 50 of file SunxiClockControl.h.

◆ Reset

enum SunxiClockControl::Reset

Reset signal identifiers.

Enumerator
ResetEmacTx
ResetEphy

Definition at line 68 of file SunxiClockControl.h.

◆ Result

enum SunxiClockControl::Result

Result codes.

Enumerator
Success
IOError
InvalidArgument

Definition at line 77 of file SunxiClockControl.h.

Member Function Documentation

◆ deassert()

SunxiClockControl::Result SunxiClockControl::deassert ( const Reset reset )

De-assert a reset signal.

Parameters

reset Reset signal identification

Returns: Result code

Definition at line 65 of file SunxiClockControl.cpp.

References DEBUG, ERROR, InvalidArgument, m_io, ResetEmacTx, ResetEphy, ARMIO::set(), and Success.

Referenced by Sun8iEmac::resetPhy().

◆ enable()

SunxiClockControl::Result SunxiClockControl::enable ( const Clock clock )

Enable a clock.

Parameters

clock Clock identification

Returns: Result code.

Definition at line 37 of file SunxiClockControl.cpp.

References ClockEmacTx, ClockEphy, DEBUG, ERROR, InvalidArgument, m_io, ARMIO::set(), and Success.

Referenced by Sun8iEmac::resetPhy().

◆ initialize()

SunxiClockControl::Result SunxiClockControl::initialize ( )

Perform initialization.

Returns: Result code.

Definition at line 21 of file SunxiClockControl.cpp.

References DEBUG, 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().

Field Documentation

◆ IOBase

const Address SunxiClockControl::IOBase = 0x01C20000

staticprivate

Physical base memory address of the CCU module.

Definition at line 43 of file SunxiClockControl.h.

Referenced by initialize().

◆ m_io

Arch::IO SunxiClockControl::m_io

private

Memory I/O object.

Definition at line 114 of file SunxiClockControl.h.

Referenced by deassert(), enable(), and initialize().

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

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

Public Types

Public Member Functions

Private Types

Private Attributes

Static Private Attributes