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Diffstat (limited to 'ReferenceCode/Chipset/SystemAgent/PciHostBridge/Dxe/PciRootBridge.h')
| -rw-r--r-- | ReferenceCode/Chipset/SystemAgent/PciHostBridge/Dxe/PciRootBridge.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/ReferenceCode/Chipset/SystemAgent/PciHostBridge/Dxe/PciRootBridge.h b/ReferenceCode/Chipset/SystemAgent/PciHostBridge/Dxe/PciRootBridge.h new file mode 100644 index 0000000..557755e --- /dev/null +++ b/ReferenceCode/Chipset/SystemAgent/PciHostBridge/Dxe/PciRootBridge.h @@ -0,0 +1,156 @@ +/** @file + The driver for the host to pci bridge (root bridge). + +@copyright + Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved + This software and associated documentation (if any) is furnished + under a license and may only be used or copied in accordance + with the terms of the license. Except as permitted by such + license, no part of this software or documentation may be + reproduced, stored in a retrieval system, or transmitted in any + form or by any means without the express written consent of + Intel Corporation. + + This file contains an 'Intel Peripheral Driver' and uniquely + identified as "Intel Reference Module" and is + licensed for Intel CPUs and chipsets under the terms of your + license agreement with Intel or your vendor. This file may + be modified by the user, subject to additional terms of the + license agreement +**/ +#ifndef _PCI_ROOT_BRIDGE_H_ +#define _PCI_ROOT_BRIDGE_H_ + +#include "EdkIIGlueDxe.h" +#include "Acpi.h" +#include "EfiScriptLib.h" +#include "SaAccess.h" + +/// +/// Driver Consumed Protocol Prototypes +/// +#include EFI_ARCH_PROTOCOL_DEFINITION (Metronome) +#include EFI_PROTOCOL_CONSUMER (CpuIo) + +/// +/// Driver Produced Protocol Prototypes +/// +#include EFI_PROTOCOL_DEFINITION (DevicePath) +#include EFI_PROTOCOL_DEFINITION (PciRootBridgeIo) + +/// +/// Define resource status constant +/// +#define EFI_RESOURCE_NONEXISTENT 0xFFFFFFFFFFFFFFFF +#define EFI_RESOURCE_LESS 0xFFFFFFFFFFFFFFFE +#define EFI_RESOURCE_SATISFIED 0x0000000000000000 + +/// +/// 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_APERTURE; + +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 EFI_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) + +/** + Construct the Pci Root Bridge Io protocol + + @param[in] Protocol - Point to protocol instance + @param[in] HostBridgeHandle - Handle of host bridge + @param[in] Attri - Attribute of host bridge + @param[in] ResAperture - ResourceAperture for host bridge + + @retval EFI_SUCCESS - Success to initialize the Pci Root Bridge. +**/ +EFI_STATUS +RootBridgeConstructor ( + IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *Protocol, + IN EFI_HANDLE HostBridgeHandle, + IN UINT64 Attri, + IN PCI_ROOT_BRIDGE_RESOURCE_APERTURE *ResAperture + ) +; + +#endif |