mirror of https://github.com/acidanthera/audk.git
252 lines
7.0 KiB
C
252 lines
7.0 KiB
C
/** @file
|
|
The Header file of the Pci Host Bridge Driver
|
|
|
|
Copyright (c) 2008 - 2009, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials are
|
|
licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef _PCI_HOST_BRIDGE_H_
|
|
#define _PCI_HOST_BRIDGE_H_
|
|
|
|
#include <PiDxe.h>
|
|
|
|
#include <IndustryStandard/Pci.h>
|
|
#include <IndustryStandard/Acpi.h>
|
|
|
|
#include <Protocol/PciHostBridgeResourceAllocation.h>
|
|
#include <Protocol/PciRootBridgeIo.h>
|
|
#include <Protocol/CpuIo2.h>
|
|
#include <Protocol/Metronome.h>
|
|
#include <Protocol/DevicePath.h>
|
|
|
|
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/UefiLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/DxeServicesTableLib.h>
|
|
#include <Library/DevicePathLib.h>
|
|
|
|
//
|
|
// Hard code the host bridge number in the platform.
|
|
// In this chipset, there is only one host bridge.
|
|
//
|
|
#define HOST_BRIDGE_NUMBER 1
|
|
|
|
#define PCI_HOST_BRIDGE_SIGNATURE SIGNATURE_32('e', 'h', 's', 't')
|
|
typedef struct {
|
|
UINTN Signature;
|
|
EFI_HANDLE HostBridgeHandle;
|
|
UINTN RootBridgeNumber;
|
|
LIST_ENTRY Head;
|
|
BOOLEAN ResourceSubmited;
|
|
BOOLEAN CanRestarted;
|
|
EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL ResAlloc;
|
|
} PCI_HOST_BRIDGE_INSTANCE;
|
|
|
|
#define INSTANCE_FROM_RESOURCE_ALLOCATION_THIS(a) \
|
|
CR(a, PCI_HOST_BRIDGE_INSTANCE, ResAlloc, PCI_HOST_BRIDGE_SIGNATURE)
|
|
|
|
//
|
|
// Driver Entry Point
|
|
//
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiMain (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
);
|
|
|
|
//
|
|
// HostBridge Resource Allocation interface
|
|
//
|
|
EFI_STATUS
|
|
EFIAPI
|
|
NotifyPhase(
|
|
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
|
|
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PHASE Phase
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
GetNextRootBridge(
|
|
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
|
|
IN OUT EFI_HANDLE *RootBridgeHandle
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
GetAttributes(
|
|
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
|
|
IN EFI_HANDLE RootBridgeHandle,
|
|
OUT UINT64 *Attributes
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
StartBusEnumeration(
|
|
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
|
|
IN EFI_HANDLE RootBridgeHandle,
|
|
OUT VOID **Configuration
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SetBusNumbers(
|
|
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
|
|
IN EFI_HANDLE RootBridgeHandle,
|
|
IN VOID *Configuration
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SubmitResources(
|
|
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
|
|
IN EFI_HANDLE RootBridgeHandle,
|
|
IN VOID *Configuration
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
GetProposedResources(
|
|
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
|
|
IN EFI_HANDLE RootBridgeHandle,
|
|
OUT VOID **Configuration
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PreprocessController (
|
|
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This,
|
|
IN EFI_HANDLE RootBridgeHandle,
|
|
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_PCI_ADDRESS PciAddress,
|
|
IN EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE Phase
|
|
);
|
|
|
|
|
|
//
|
|
// Define resource status constant
|
|
//
|
|
#define EFI_RESOURCE_NONEXISTENT 0xFFFFFFFFFFFFFFFFULL
|
|
#define EFI_RESOURCE_LESS 0xFFFFFFFFFFFFFFFEULL
|
|
|
|
|
|
//
|
|
// Driver Instance Data Prototypes
|
|
//
|
|
|
|
typedef struct {
|
|
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_OPERATION Operation;
|
|
UINTN NumberOfBytes;
|
|
UINTN NumberOfPages;
|
|
EFI_PHYSICAL_ADDRESS HostAddress;
|
|
EFI_PHYSICAL_ADDRESS MappedHostAddress;
|
|
} MAP_INFO;
|
|
|
|
typedef struct {
|
|
ACPI_HID_DEVICE_PATH AcpiDevicePath;
|
|
EFI_DEVICE_PATH_PROTOCOL EndDevicePath;
|
|
} EFI_PCI_ROOT_BRIDGE_DEVICE_PATH;
|
|
|
|
typedef struct {
|
|
UINT64 BusBase;
|
|
UINT64 BusLimit;
|
|
|
|
UINT64 MemBase;
|
|
UINT64 MemLimit;
|
|
|
|
UINT64 IoBase;
|
|
UINT64 IoLimit;
|
|
} PCI_ROOT_BRIDGE_RESOURCE_APPETURE;
|
|
|
|
typedef enum {
|
|
TypeIo = 0,
|
|
TypeMem32,
|
|
TypePMem32,
|
|
TypeMem64,
|
|
TypePMem64,
|
|
TypeBus,
|
|
TypeMax
|
|
} PCI_RESOURCE_TYPE;
|
|
|
|
typedef enum {
|
|
ResNone = 0,
|
|
ResSubmitted,
|
|
ResRequested,
|
|
ResAllocated,
|
|
ResStatusMax
|
|
} RES_STATUS;
|
|
|
|
typedef struct {
|
|
PCI_RESOURCE_TYPE Type;
|
|
UINT64 Base;
|
|
UINT64 Length;
|
|
UINT64 Alignment;
|
|
RES_STATUS Status;
|
|
} PCI_RES_NODE;
|
|
|
|
#define PCI_ROOT_BRIDGE_SIGNATURE SIGNATURE_32('e', '2', 'p', 'b')
|
|
|
|
typedef struct {
|
|
UINT32 Signature;
|
|
LIST_ENTRY Link;
|
|
EFI_HANDLE Handle;
|
|
UINT64 RootBridgeAttrib;
|
|
UINT64 Attributes;
|
|
UINT64 Supports;
|
|
|
|
//
|
|
// Specific for this memory controller: Bus, I/O, Mem
|
|
//
|
|
PCI_RES_NODE ResAllocNode[6];
|
|
|
|
//
|
|
// Addressing for Memory and I/O and Bus arrange
|
|
//
|
|
UINT64 BusBase;
|
|
UINT64 MemBase;
|
|
UINT64 IoBase;
|
|
UINT64 BusLimit;
|
|
UINT64 MemLimit;
|
|
UINT64 IoLimit;
|
|
|
|
EFI_LOCK PciLock;
|
|
UINTN PciAddress;
|
|
UINTN PciData;
|
|
|
|
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
|
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL Io;
|
|
|
|
} PCI_ROOT_BRIDGE_INSTANCE;
|
|
|
|
|
|
//
|
|
// Driver Instance Data Macros
|
|
//
|
|
#define DRIVER_INSTANCE_FROM_PCI_ROOT_BRIDGE_IO_THIS(a) \
|
|
CR(a, PCI_ROOT_BRIDGE_INSTANCE, Io, PCI_ROOT_BRIDGE_SIGNATURE)
|
|
|
|
|
|
#define DRIVER_INSTANCE_FROM_LIST_ENTRY(a) \
|
|
CR(a, PCI_ROOT_BRIDGE_INSTANCE, Link, PCI_ROOT_BRIDGE_SIGNATURE)
|
|
|
|
|
|
EFI_STATUS
|
|
RootBridgeConstructor (
|
|
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *Protocol,
|
|
IN EFI_HANDLE HostBridgeHandle,
|
|
IN UINT64 Attri,
|
|
IN PCI_ROOT_BRIDGE_RESOURCE_APPETURE *ResAppeture
|
|
);
|
|
|
|
#endif
|