FdtPciHostBridgeLib.c File Reference

#include <PiDxe.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/DxeServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#include <Library/PciHostBridgeLib.h>
#include <Library/PciHostBridgeUtilityLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Protocol/FdtClient.h>
#include <Protocol/PciRootBridgeIo.h>
#include <Protocol/PciHostBridgeResourceAllocation.h>

Go to the source code of this file.

Data Structures
struct	DTB_PCI_HOST_RANGE_RECORD

Macros
#define	DTB_PCI_HOST_RANGE_RELOCATABLE   BIT31
#define	DTB_PCI_HOST_RANGE_PREFETCHABLE   BIT30
#define	DTB_PCI_HOST_RANGE_ALIASED   BIT29
#define	DTB_PCI_HOST_RANGE_MMIO32   BIT25
#define	DTB_PCI_HOST_RANGE_MMIO64   (BIT25 | BIT24)
#define	DTB_PCI_HOST_RANGE_IO   BIT24
#define	DTB_PCI_HOST_RANGE_TYPEMASK   (BIT31 | BIT30 | BIT29 | BIT25 | BIT24)

Functions
STATIC EFI_STATUS	MapGcdMmioSpace (IN UINT64 Base, IN UINT64 Size)
STATIC EFI_STATUS	ProcessPciHost (OUT UINT64 *IoBase, OUT UINT64 *IoSize, OUT UINT64 *Mmio32Base, OUT UINT64 *Mmio32Size, OUT UINT64 *Mmio64Base, OUT UINT64 *Mmio64Size, OUT UINT32 *BusMin, OUT UINT32 *BusMax)
PCI_ROOT_BRIDGE *EFIAPI	PciHostBridgeGetRootBridges (UINTN *Count)
VOID EFIAPI	PciHostBridgeFreeRootBridges (PCI_ROOT_BRIDGE *Bridges, UINTN Count)
VOID EFIAPI	PciHostBridgeResourceConflict (EFI_HANDLE HostBridgeHandle, VOID *Configuration)

Detailed Description

PCI Host Bridge Library instance for pci-ecam-generic DT nodes

Copyright (c) 2016, Linaro Ltd. All rights reserved.

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

Definition in file FdtPciHostBridgeLib.c.

Macro Definition Documentation

DTB_PCI_HOST_RANGE_ALIASED

#define DTB_PCI_HOST_RANGE_ALIASED   BIT29

Definition at line 39 of file FdtPciHostBridgeLib.c.

DTB_PCI_HOST_RANGE_IO

#define DTB_PCI_HOST_RANGE_IO   BIT24

Definition at line 42 of file FdtPciHostBridgeLib.c.

DTB_PCI_HOST_RANGE_MMIO32

#define DTB_PCI_HOST_RANGE_MMIO32   BIT25

Definition at line 40 of file FdtPciHostBridgeLib.c.

DTB_PCI_HOST_RANGE_MMIO64

#define DTB_PCI_HOST_RANGE_MMIO64   (BIT25 | BIT24)

Definition at line 41 of file FdtPciHostBridgeLib.c.

DTB_PCI_HOST_RANGE_PREFETCHABLE

#define DTB_PCI_HOST_RANGE_PREFETCHABLE   BIT30

Definition at line 38 of file FdtPciHostBridgeLib.c.

DTB_PCI_HOST_RANGE_RELOCATABLE

#define DTB_PCI_HOST_RANGE_RELOCATABLE   BIT31

Definition at line 37 of file FdtPciHostBridgeLib.c.

DTB_PCI_HOST_RANGE_TYPEMASK

#define DTB_PCI_HOST_RANGE_TYPEMASK   (BIT31 | BIT30 | BIT29 | BIT25 | BIT24)

Definition at line 43 of file FdtPciHostBridgeLib.c.

Function Documentation

MapGcdMmioSpace()

STATIC EFI_STATUS MapGcdMmioSpace	(	IN UINT64	Base,
		IN UINT64	Size
	)

Definition at line 47 of file FdtPciHostBridgeLib.c.

PciHostBridgeFreeRootBridges()

VOID EFIAPI PciHostBridgeFreeRootBridges	(	PCI_ROOT_BRIDGE *	Bridges,
		UINTN	Count
	)

Free the root bridge instances array returned from PciHostBridgeGetRootBridges().

Parameters

Bridges	The root bridge instances array.
Count	The count of the array.

Definition at line 472 of file FdtPciHostBridgeLib.c.

PciHostBridgeGetRootBridges()

PCI_ROOT_BRIDGE *EFIAPI PciHostBridgeGetRootBridges

(

UINTN *

Count

)

Return all the root bridge instances in an array.

Parameters

Count

Return the count of root bridge instances.

Returns

All the root bridge instances in an array. The array should be passed into PciHostBridgeFreeRootBridges() when it's not used.

Definition at line 355 of file FdtPciHostBridgeLib.c.

PciHostBridgeResourceConflict()

VOID EFIAPI PciHostBridgeResourceConflict	(	EFI_HANDLE	HostBridgeHandle,
		VOID *	Configuration
	)

Inform the platform that the resource conflict happens.

Parameters

HostBridgeHandle

Handle of the Host Bridge.

Configuration

Pointer to PCI I/O and PCI memory resource descriptors. The Configuration contains the resources for all the root bridges. The resource for each root bridge is terminated with END descriptor and an additional END is appended indicating the end of the entire resources. The resource descriptor field values follow the description in EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL .SubmitResources().

Definition at line 496 of file FdtPciHostBridgeLib.c.

ProcessPciHost()

STATIC EFI_STATUS ProcessPciHost	(	OUT UINT64 *	IoBase,
		OUT UINT64 *	IoSize,
		OUT UINT64 *	Mmio32Base,
		OUT UINT64 *	Mmio32Size,
		OUT UINT64 *	Mmio64Base,
		OUT UINT64 *	Mmio64Size,
		OUT UINT32 *	BusMin,
		OUT UINT32 *	BusMax
	)

Definition at line 87 of file FdtPciHostBridgeLib.c.