#include "XhcPeim.h"

Functions
UINT32	XhcPeiReadOpReg (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset)

VOID	XhcPeiWriteOpReg (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset, IN UINT32 Data)

VOID	XhcPeiSetOpRegBit (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset, IN UINT32 Bit)

VOID	XhcPeiClearOpRegBit (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset, IN UINT32 Bit)

EFI_STATUS	XhcPeiWaitOpRegBit (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset, IN UINT32 Bit, IN BOOLEAN WaitToSet, IN UINT32 Timeout)

UINT32	XhcPeiReadCapRegister (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset)

VOID	XhcPeiWriteDoorBellReg (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset, IN UINT32 Data)

UINT32	XhcPeiReadRuntimeReg (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset)

VOID	XhcPeiWriteRuntimeReg (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset, IN UINT32 Data)

VOID	XhcPeiSetRuntimeRegBit (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset, IN UINT32 Bit)

VOID	XhcPeiClearRuntimeRegBit (IN PEI_XHC_DEV *Xhc, IN UINT32 Offset, IN UINT32 Bit)

BOOLEAN	XhcPeiIsHalt (IN PEI_XHC_DEV *Xhc)

BOOLEAN	XhcPeiIsSysError (IN PEI_XHC_DEV *Xhc)

EFI_STATUS	XhcPeiResetHC (IN PEI_XHC_DEV *Xhc, IN UINT32 Timeout)

EFI_STATUS	XhcPeiHaltHC (IN PEI_XHC_DEV *Xhc, IN UINT32 Timeout)

EFI_STATUS	XhcPeiRunHC (IN PEI_XHC_DEV *Xhc, IN UINT32 Timeout)

EFI_STATUS EFIAPI	XhcPeiControlTransfer (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB2_HOST_CONTROLLER_PPI This, IN UINT8 DeviceAddress, IN UINT8 DeviceSpeed, IN UINTN MaximumPacketLength, IN EFI_USB_DEVICE_REQUEST Request, IN EFI_USB_DATA_DIRECTION TransferDirection, IN OUT VOID Data, IN OUT UINTN DataLength, IN UINTN TimeOut, IN EFI_USB2_HC_TRANSACTION_TRANSLATOR Translator, OUT UINT32 *TransferResult)

EFI_STATUS EFIAPI	XhcPeiBulkTransfer (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB2_HOST_CONTROLLER_PPI This, IN UINT8 DeviceAddress, IN UINT8 EndPointAddress, IN UINT8 DeviceSpeed, IN UINTN MaximumPacketLength, IN OUT VOID Data[EFI_USB_MAX_BULK_BUFFER_NUM], IN OUT UINTN DataLength, IN OUT UINT8 DataToggle, IN UINTN TimeOut, IN EFI_USB2_HC_TRANSACTION_TRANSLATOR Translator, OUT UINT32 *TransferResult)

EFI_STATUS EFIAPI	XhcPeiGetRootHubPortNumber (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB2_HOST_CONTROLLER_PPI This, OUT UINT8 *PortNumber)

EFI_STATUS EFIAPI	XhcPeiClearRootHubPortFeature (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB2_HOST_CONTROLLER_PPI This, IN UINT8 PortNumber, IN EFI_USB_PORT_FEATURE PortFeature)

EFI_STATUS EFIAPI	XhcPeiSetRootHubPortFeature (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB2_HOST_CONTROLLER_PPI This, IN UINT8 PortNumber, IN EFI_USB_PORT_FEATURE PortFeature)

EFI_STATUS EFIAPI	XhcPeiGetRootHubPortStatus (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB2_HOST_CONTROLLER_PPI This, IN UINT8 PortNumber, OUT EFI_USB_PORT_STATUS *PortStatus)

EFI_STATUS EFIAPI	XhcEndOfPei (IN EFI_PEI_SERVICES *PeiServices, IN EFI_PEI_NOTIFY_DESCRIPTOR NotifyDescriptor, IN VOID *Ppi)

EFI_STATUS EFIAPI	XhcPeimEntry (IN EFI_PEI_FILE_HANDLE FileHandle, IN CONST EFI_PEI_SERVICES **PeiServices)

Variables
USB_PORT_STATE_MAP	mUsbPortStateMap []

USB_PORT_STATE_MAP	mUsbPortChangeMap []

USB_CLEAR_PORT_MAP	mUsbClearPortChangeMap []

USB_PORT_STATE_MAP	mUsbHubPortStateMap []

USB_PORT_STATE_MAP	mUsbHubPortChangeMap []

USB_CLEAR_PORT_MAP	mUsbHubClearPortChangeMap []

Detailed Description

PEIM to produce gPeiUsb2HostControllerPpiGuid based on gPeiUsbControllerPpiGuid which is used to enable recovery function from USB Drivers.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file XhcPeim.c.

Function Documentation

◆ XhcEndOfPei()

EFI_STATUS EFIAPI XhcEndOfPei	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN EFI_PEI_NOTIFY_DESCRIPTOR *	NotifyDescriptor,
		IN VOID *	Ppi
	)

One notified function to stop the Host Controller at the end of PEI

Parameters

[in]	PeiServices	Pointer to PEI Services Table.
[in]	NotifyDescriptor	Pointer to the descriptor for the Notification event that caused this function to execute.
[in]	Ppi	Pointer to the PPI data associated with this function.

Return values

EFI_SUCCESS	The function completes successfully
others

Definition at line 1414 of file XhcPeim.c.

◆ XhcPeiBulkTransfer()

EFI_STATUS EFIAPI XhcPeiBulkTransfer	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB2_HOST_CONTROLLER_PPI *	This,
		IN UINT8	DeviceAddress,
		IN UINT8	EndPointAddress,
		IN UINT8	DeviceSpeed,
		IN UINTN	MaximumPacketLength,
		IN OUT VOID *	Data[EFI_USB_MAX_BULK_BUFFER_NUM],
		IN OUT UINTN *	DataLength,
		IN OUT UINT8 *	DataToggle,
		IN UINTN	TimeOut,
		IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *	Translator,
		OUT UINT32 *	TransferResult
	)

Submits bulk transfer to a bulk endpoint of a USB device.

Parameters

PeiServices	The pointer of EFI_PEI_SERVICES.
This	The pointer of PEI_USB2_HOST_CONTROLLER_PPI.
DeviceAddress	Target device address.
EndPointAddress	Endpoint number and its direction in bit 7.
DeviceSpeed	Device speed, Low speed device doesn't support bulk transfer.
MaximumPacketLength	Maximum packet size the endpoint is capable of sending or receiving.
Data	Array of pointers to the buffers of data to transmit from or receive into.
DataLength	The lenght of the data buffer.
DataToggle	On input, the initial data toggle for the transfer; On output, it is updated to to next data toggle to use of the subsequent bulk transfer.
TimeOut	Indicates the maximum time, in millisecond, which the transfer is allowed to complete. If Timeout is 0, then the caller must wait for the function to be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
Translator	A pointr to the transaction translator data.
TransferResult	A pointer to the detailed result information of the bulk transfer.

Return values

EFI_SUCCESS	The transfer was completed successfully.
EFI_OUT_OF_RESOURCES	The transfer failed due to lack of resource.
EFI_INVALID_PARAMETER	Parameters are invalid.
EFI_TIMEOUT	The transfer failed due to timeout.
EFI_DEVICE_ERROR	The transfer failed due to host controller error.

Definition at line 884 of file XhcPeim.c.

◆ XhcPeiClearOpRegBit()

VOID XhcPeiClearOpRegBit	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset,
		IN UINT32	Bit
	)

Clear one bit of the operational register while keeping other bits.

Parameters

Xhc	The XHCI device.
Offset	The offset of the operational register.
Bit	The bit mask of the register to clear.

Definition at line 136 of file XhcPeim.c.

◆ XhcPeiClearRootHubPortFeature()

EFI_STATUS EFIAPI XhcPeiClearRootHubPortFeature	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB2_HOST_CONTROLLER_PPI *	This,
		IN UINT8	PortNumber,
		IN EFI_USB_PORT_FEATURE	PortFeature
	)

Clears a feature for the specified root hub port.

Parameters

PeiServices	The pointer of EFI_PEI_SERVICES.
This	The pointer of PEI_USB2_HOST_CONTROLLER_PPI.
PortNumber	Specifies the root hub port whose feature is requested to be cleared.
PortFeature	Indicates the feature selector associated with the feature clear request.

Return values

EFI_SUCCESS	The feature specified by PortFeature was cleared for the USB root hub port specified by PortNumber.
EFI_INVALID_PARAMETER	PortNumber is invalid or PortFeature is invalid.

Definition at line 1055 of file XhcPeim.c.

◆ XhcPeiClearRuntimeRegBit()

VOID XhcPeiClearRuntimeRegBit	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset,
		IN UINT32	Bit
	)

Clear one bit of the runtime register while keeping other bits.

Parameters

Xhc	The XHCI device.
Offset	The offset of the runtime register.
Bit	The bit mask of the register to set.

Definition at line 302 of file XhcPeim.c.

◆ XhcPeiControlTransfer()

EFI_STATUS EFIAPI XhcPeiControlTransfer	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB2_HOST_CONTROLLER_PPI *	This,
		IN UINT8	DeviceAddress,
		IN UINT8	DeviceSpeed,
		IN UINTN	MaximumPacketLength,
		IN EFI_USB_DEVICE_REQUEST *	Request,
		IN EFI_USB_DATA_DIRECTION	TransferDirection,
		IN OUT VOID *	Data,
		IN OUT UINTN *	DataLength,
		IN UINTN	TimeOut,
		IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *	Translator,
		OUT UINT32 *	TransferResult
	)

Submits control transfer to a target USB device.

Parameters

PeiServices	The pointer of EFI_PEI_SERVICES.
This	The pointer of PEI_USB2_HOST_CONTROLLER_PPI.
DeviceAddress	The target device address.
DeviceSpeed	Target device speed.
MaximumPacketLength	Maximum packet size the default control transfer endpoint is capable of sending or receiving.
Request	USB device request to send.
TransferDirection	Specifies the data direction for the data stage.
Data	Data buffer to be transmitted or received from USB device.
DataLength	The size (in bytes) of the data buffer.
TimeOut	Indicates the maximum timeout, in millisecond. If Timeout is 0, then the caller must wait for the function to be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
Translator	Transaction translator to be used by this device.
TransferResult	Return the result of this control transfer.

Return values

EFI_SUCCESS	Transfer was completed successfully.
EFI_OUT_OF_RESOURCES	The transfer failed due to lack of resources.
EFI_INVALID_PARAMETER	Some parameters are invalid.
EFI_TIMEOUT	Transfer failed due to timeout.
EFI_DEVICE_ERROR	Transfer failed due to host controller or device error.

Definition at line 467 of file XhcPeim.c.

◆ XhcPeiGetRootHubPortNumber()

EFI_STATUS EFIAPI XhcPeiGetRootHubPortNumber	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB2_HOST_CONTROLLER_PPI *	This,
		OUT UINT8 *	PortNumber
	)

Retrieves the number of root hub ports.

Parameters

[in]	PeiServices	The pointer to the PEI Services Table.
[in]	This	The pointer to this instance of the PEI_USB2_HOST_CONTROLLER_PPI.
[out]	PortNumber	The pointer to the number of the root hub ports.

Return values

EFI_SUCCESS	The port number was retrieved successfully.
EFI_INVALID_PARAMETER	PortNumber is NULL.

Definition at line 1019 of file XhcPeim.c.

◆ XhcPeiGetRootHubPortStatus()

EFI_STATUS EFIAPI XhcPeiGetRootHubPortStatus	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB2_HOST_CONTROLLER_PPI *	This,
		IN UINT8	PortNumber,
		OUT EFI_USB_PORT_STATUS *	PortStatus
	)

Retrieves the current status of a USB root hub port.

Parameters

PeiServices	The pointer of EFI_PEI_SERVICES.
This	The pointer of PEI_USB2_HOST_CONTROLLER_PPI.
PortNumber	The root hub port to retrieve the state from.
PortStatus	Variable to receive the port state.

Return values

EFI_SUCCESS	The status of the USB root hub port specified. by PortNumber was returned in PortStatus.
EFI_INVALID_PARAMETER	PortNumber is invalid.

Definition at line 1300 of file XhcPeim.c.

◆ XhcPeiHaltHC()

EFI_STATUS XhcPeiHaltHC	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Timeout
	)

Halt the host controller.

Parameters

Xhc	The XHCI device.
Timeout	Time to wait before abort.

Return values

EFI_TIMEOUT	Failed to halt the controller before Timeout.
EFI_SUCCESS	The XHCI is halt.

Definition at line 402 of file XhcPeim.c.

◆ XhcPeiIsHalt()

BOOLEAN XhcPeiIsHalt ( IN PEI_XHC_DEV * Xhc )

Check whether Xhc is halted.

Parameters

Xhc	The XHCI device.

Return values

TRUE	The controller is halted.
FALSE	The controller isn't halted.

Definition at line 325 of file XhcPeim.c.

◆ XhcPeiIsSysError()

BOOLEAN XhcPeiIsSysError ( IN PEI_XHC_DEV * Xhc )

Check whether system error occurred.

Parameters

Xhc	The XHCI device.

Return values

TRUE	System error happened.
FALSE	No system error.

Definition at line 342 of file XhcPeim.c.

◆ XhcPeimEntry()

EFI_STATUS EFIAPI XhcPeimEntry	(	IN EFI_PEI_FILE_HANDLE	FileHandle,
		IN CONST EFI_PEI_SERVICES **	PeiServices
	)

Parameters

FileHandle	Handle of the file being invoked.
PeiServices	Describes the list of possible PEI Services.

Return values

EFI_SUCCESS PPI successfully installed.

Definition at line 1440 of file XhcPeim.c.

◆ XhcPeiReadCapRegister()

UINT32 XhcPeiReadCapRegister	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset
	)

Read XHCI capability register.

Parameters

Xhc	The XHCI device.
Offset	Capability register address.

Return values

the	register content read.

Definition at line 195 of file XhcPeim.c.

◆ XhcPeiReadOpReg()

UINT32 XhcPeiReadOpReg	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset
	)

Read XHCI Operation register.

Parameters

Xhc	The XHCI device.
Offset	The operation register offset.

Return values

the	register content read.

Definition at line 72 of file XhcPeim.c.

◆ XhcPeiReadRuntimeReg()

UINT32 XhcPeiReadRuntimeReg	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset
	)

Read XHCI runtime register.

Parameters

Xhc	The XHCI device.
Offset	The offset of the runtime register.

Returns: The register content read

Definition at line 237 of file XhcPeim.c.

◆ XhcPeiResetHC()

EFI_STATUS XhcPeiResetHC	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Timeout
	)

Reset the host controller.

Parameters

Xhc	The XHCI device.
Timeout	Time to wait before abort (in millisecond, ms).

Return values

EFI_TIMEOUT	The transfer failed due to time out.
Others	Failed to reset the host.

Definition at line 360 of file XhcPeim.c.

◆ XhcPeiRunHC()

EFI_STATUS XhcPeiRunHC	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Timeout
	)

Set the XHCI to run.

Parameters

Xhc	The XHCI device.
Timeout	Time to wait before abort.

Return values

EFI_SUCCESS	The XHCI is running.
Others	Failed to set the XHCI to run.

Definition at line 426 of file XhcPeim.c.

◆ XhcPeiSetOpRegBit()

VOID XhcPeiSetOpRegBit	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset,
		IN UINT32	Bit
	)

Set one bit of the operational register while keeping other bits.

Parameters

Xhc	The XHCI device.
Offset	The offset of the operational register.
Bit	The bit mask of the register to set.

Definition at line 114 of file XhcPeim.c.

◆ XhcPeiSetRootHubPortFeature()

EFI_STATUS EFIAPI XhcPeiSetRootHubPortFeature	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB2_HOST_CONTROLLER_PPI *	This,
		IN UINT8	PortNumber,
		IN EFI_USB_PORT_FEATURE	PortFeature
	)

Sets a feature for the specified root hub port.

Parameters

PeiServices	The pointer of EFI_PEI_SERVICES
This	The pointer of PEI_USB2_HOST_CONTROLLER_PPI
PortNumber	Root hub port to set.
PortFeature	Feature to set.

Return values

EFI_SUCCESS	The feature specified by PortFeature was set.
EFI_INVALID_PARAMETER	PortNumber is invalid or PortFeature is invalid.
EFI_TIMEOUT	The time out occurred.

Definition at line 1191 of file XhcPeim.c.

◆ XhcPeiSetRuntimeRegBit()

VOID XhcPeiSetRuntimeRegBit	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset,
		IN UINT32	Bit
	)

Set one bit of the runtime register while keeping other bits.

Parameters

Xhc	The XHCI device.
Offset	The offset of the runtime register.
Bit	The bit mask of the register to set.

Definition at line 280 of file XhcPeim.c.

◆ XhcPeiWaitOpRegBit()

EFI_STATUS XhcPeiWaitOpRegBit	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset,
		IN UINT32	Bit,
		IN BOOLEAN	WaitToSet,
		IN UINT32	Timeout
	)

Wait the operation register's bit as specified by Bit to become set (or clear).

Parameters

Xhc	The XHCI device.
Offset	The offset of the operational register.
Bit	The bit mask of the register to wait for.
WaitToSet	Wait the bit to set or clear.
Timeout	The time to wait before abort (in millisecond, ms).

Return values

EFI_SUCCESS	The bit successfully changed by host controller.
EFI_TIMEOUT	The time out occurred.

Definition at line 164 of file XhcPeim.c.

◆ XhcPeiWriteDoorBellReg()

VOID XhcPeiWriteDoorBellReg	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset,
		IN UINT32	Data
	)

Write the data to the XHCI door bell register.

Parameters

Xhc	The XHCI device.
Offset	The offset of the door bell register.
Data	The data to write.

Definition at line 216 of file XhcPeim.c.

◆ XhcPeiWriteOpReg()

VOID XhcPeiWriteOpReg	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset,
		IN UINT32	Data
	)

Write the data to the XHCI operation register.

Parameters

Xhc	The XHCI device.
Offset	The operation register offset.
Data	The data to write.

Definition at line 94 of file XhcPeim.c.

◆ XhcPeiWriteRuntimeReg()

VOID XhcPeiWriteRuntimeReg	(	IN PEI_XHC_DEV *	Xhc,
		IN UINT32	Offset,
		IN UINT32	Data
	)

Write the data to the XHCI runtime register.

Parameters

Xhc	The XHCI device.
Offset	The offset of the runtime register.
Data	The data to write.

Definition at line 260 of file XhcPeim.c.

Variable Documentation

◆ mUsbClearPortChangeMap

USB_CLEAR_PORT_MAP mUsbClearPortChangeMap[]

Initial value:

= {
  { XHC_PORTSC_CSC, EfiUsbPortConnectChange     },
  { XHC_PORTSC_PEC, EfiUsbPortEnableChange      },
  { XHC_PORTSC_OCC, EfiUsbPortOverCurrentChange },
  { XHC_PORTSC_PRC, EfiUsbPortResetChange       }
}

Definition at line 32 of file XhcPeim.c.

◆ mUsbHubClearPortChangeMap

USB_CLEAR_PORT_MAP mUsbHubClearPortChangeMap[]

Initial value:

= {
  { XHC_HUB_PORTSC_CSC,  EfiUsbPortConnectChange     },
  { XHC_HUB_PORTSC_PEC,  EfiUsbPortEnableChange      },
  { XHC_HUB_PORTSC_OCC,  EfiUsbPortOverCurrentChange },
  { XHC_HUB_PORTSC_PRC,  EfiUsbPortResetChange       },
  { XHC_HUB_PORTSC_BHRC, Usb3PortBHPortResetChange   }
}

Definition at line 54 of file XhcPeim.c.

◆ mUsbHubPortChangeMap

USB_PORT_STATE_MAP mUsbHubPortChangeMap[]

Initial value:

= {
  { XHC_HUB_PORTSC_CSC, USB_PORT_STAT_C_CONNECTION  },
  { XHC_HUB_PORTSC_PEC, USB_PORT_STAT_C_ENABLE      },
  { XHC_HUB_PORTSC_OCC, USB_PORT_STAT_C_OVERCURRENT },
  { XHC_HUB_PORTSC_PRC, USB_PORT_STAT_C_RESET       }
}

Definition at line 47 of file XhcPeim.c.

◆ mUsbHubPortStateMap

USB_PORT_STATE_MAP mUsbHubPortStateMap[]

Initial value:

= {
  { XHC_HUB_PORTSC_CCS,   USB_PORT_STAT_CONNECTION  },
  { XHC_HUB_PORTSC_PED,   USB_PORT_STAT_ENABLE      },
  { XHC_HUB_PORTSC_OCA,   USB_PORT_STAT_OVERCURRENT },
  { XHC_HUB_PORTSC_PP,    USB_PORT_STAT_POWER       },
  { XHC_HUB_PORTSC_RESET, USB_PORT_STAT_RESET       }
}

Definition at line 39 of file XhcPeim.c.

◆ mUsbPortChangeMap

USB_PORT_STATE_MAP mUsbPortChangeMap[]

Initial value:

= {
  { XHC_PORTSC_CSC, USB_PORT_STAT_C_CONNECTION  },
  { XHC_PORTSC_PEC, USB_PORT_STAT_C_ENABLE      },
  { XHC_PORTSC_OCC, USB_PORT_STAT_C_OVERCURRENT },
  { XHC_PORTSC_PRC, USB_PORT_STAT_C_RESET       }
}

Definition at line 25 of file XhcPeim.c.

◆ mUsbPortStateMap

USB_PORT_STATE_MAP mUsbPortStateMap[]

Initial value:

= {
  { XHC_PORTSC_CCS,   USB_PORT_STAT_CONNECTION  },
  { XHC_PORTSC_PED,   USB_PORT_STAT_ENABLE      },
  { XHC_PORTSC_OCA,   USB_PORT_STAT_OVERCURRENT },
  { XHC_PORTSC_PP,    USB_PORT_STAT_POWER       },
  { XHC_PORTSC_RESET, USB_PORT_STAT_RESET       }
}

Definition at line 17 of file XhcPeim.c.

Functions

Variables

Detailed Description

Function Documentation

◆ XhcEndOfPei()

◆ XhcPeiBulkTransfer()

◆ XhcPeiClearOpRegBit()

◆ XhcPeiClearRootHubPortFeature()

◆ XhcPeiClearRuntimeRegBit()

◆ XhcPeiControlTransfer()

◆ XhcPeiGetRootHubPortNumber()

◆ XhcPeiGetRootHubPortStatus()

◆ XhcPeiHaltHC()

◆ XhcPeiIsHalt()

◆ XhcPeiIsSysError()

◆ XhcPeimEntry()

◆ XhcPeiReadCapRegister()

◆ XhcPeiReadOpReg()

◆ XhcPeiReadRuntimeReg()

◆ XhcPeiResetHC()

◆ XhcPeiRunHC()

◆ XhcPeiSetOpRegBit()

◆ XhcPeiSetRootHubPortFeature()

◆ XhcPeiSetRuntimeRegBit()

◆ XhcPeiWaitOpRegBit()

◆ XhcPeiWriteDoorBellReg()

◆ XhcPeiWriteOpReg()

◆ XhcPeiWriteRuntimeReg()

Variable Documentation

◆ mUsbClearPortChangeMap

◆ mUsbHubClearPortChangeMap

◆ mUsbHubPortChangeMap

◆ mUsbHubPortStateMap

◆ mUsbPortChangeMap

◆ mUsbPortStateMap