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audk/Vlv2TbltDevicePkg/PciPlatform/PciPlatform.c

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/** @file
Copyright (c) 2004 - 2014, 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 that 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.
Module Name:
PciPlatform.c
Abstract:
--*/
#include "PciPlatform.h"
#include "PchRegs.h"
#include "PchAccess.h"
#include "VlvCommonDefinitions.h"
#include "PlatformBootMode.h"
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Protocol/CpuIo.h>
#include <Protocol/PciIo.h>
#include <Guid/SetupVariable.h>
#include <Protocol/PciRootBridgeIo.h>
#include "SetupMode.h"
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Protocol/FirmwareVolume.h>
#include <Library/HobLib.h>
#include <IndustryStandard/Pci22.h>
extern PCI_OPTION_ROM_TABLE mPciOptionRomTable[];
extern UINTN mSizeOptionRomTable;
EFI_PCI_PLATFORM_PROTOCOL mPciPlatform = {
PhaseNotify,
PlatformPrepController,
GetPlatformPolicy,
GetPciRom
};
EFI_HANDLE mPciPlatformHandle = NULL;
SYSTEM_CONFIGURATION mSystemConfiguration;
EFI_STATUS
GetRawImage (
IN EFI_GUID *NameGuid,
IN OUT VOID **Buffer,
IN OUT UINTN *Size
)
{
EFI_STATUS Status;
EFI_HANDLE *HandleBuffer;
UINTN HandleCount;
UINTN Index;
EFI_FIRMWARE_VOLUME_PROTOCOL *Fv;
UINT32 AuthenticationStatus;
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiFirmwareVolumeProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status) || HandleCount == 0) {
return EFI_NOT_FOUND;
}
//
// Find desired image in all Fvs
//
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol(
HandleBuffer[Index],
&gEfiFirmwareVolumeProtocolGuid,
(VOID **) &Fv
);
if ( EFI_ERROR ( Status ) ) {
return EFI_LOAD_ERROR;
}
//
// Try a raw file
//
*Buffer = NULL;
*Size = 0;
Status = Fv->ReadSection (
Fv,
NameGuid,
EFI_SECTION_RAW,
0,
Buffer,
Size,
&AuthenticationStatus
);
if ( !EFI_ERROR ( Status )) {
break;
}
}
if ( Index >= HandleCount ) {
return EFI_NOT_FOUND;
}
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
PhaseNotify (
IN EFI_PCI_PLATFORM_PROTOCOL *This,
IN EFI_HANDLE HostBridge,
IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PHASE Phase,
IN EFI_PCI_CHIPSET_EXECUTION_PHASE ChipsetPhase
)
{
return EFI_UNSUPPORTED;
}
EFI_STATUS
EFIAPI
PlatformPrepController (
IN EFI_PCI_PLATFORM_PROTOCOL *This,
IN EFI_HANDLE HostBridge,
IN EFI_HANDLE RootBridge,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_PCI_ADDRESS PciAddress,
IN EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE Phase,
IN EFI_PCI_CHIPSET_EXECUTION_PHASE ChipsetPhase
)
{
return EFI_UNSUPPORTED;
}
EFI_STATUS
EFIAPI
GetPlatformPolicy (
IN CONST EFI_PCI_PLATFORM_PROTOCOL *This,
OUT EFI_PCI_PLATFORM_POLICY *PciPolicy
)
{
*PciPolicy = EFI_RESERVE_VGA_IO_ALIAS;
return EFI_SUCCESS;
}
/**
GetPciRom from platform specific location for specific PCI device
@param This Protocol instance
@param PciHandle Identify the specific PCI devic
@param RomImage Returns the ROM Image memory location
@param RomSize Returns Rom Image size
@retval EFI_SUCCESS
@retval EFI_NOT_FOUND
@retval EFI_OUT_OF_RESOURCES
**/
EFI_STATUS
EFIAPI
GetPciRom (
IN CONST EFI_PCI_PLATFORM_PROTOCOL *This,
IN EFI_HANDLE PciHandle,
OUT VOID **RomImage,
OUT UINTN *RomSize
)
{
EFI_STATUS Status;
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
UINTN Segment;
UINTN Bus;
UINTN Device;
UINTN Function;
UINT16 VendorId;
UINT16 DeviceId;
UINT16 DeviceClass;
UINTN TableIndex;
UINT8 Data8;
BOOLEAN MfgMode;
EFI_PLATFORM_SETUP_ID *BootModeBuffer;
EFI_PEI_HOB_POINTERS GuidHob;
MfgMode = FALSE;
//
// Check if system is in manufacturing mode.
//
GuidHob.Raw = GetHobList ();
if (GuidHob.Raw == NULL) {
return EFI_NOT_FOUND;
}
if ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformBootModeGuid, GuidHob.Raw)) != NULL) {
BootModeBuffer = GET_GUID_HOB_DATA (GuidHob.Guid);
if (!CompareMem (&BootModeBuffer->SetupName, MANUFACTURE_SETUP_NAME,
StrSize (MANUFACTURE_SETUP_NAME)))
{
//
// System is in manufacturing mode.
//
MfgMode = TRUE;
}
}
Status = gBS->HandleProtocol (
PciHandle,
&gEfiPciIoProtocolGuid,
(void **)&PciIo
);
if (EFI_ERROR (Status)) {
return EFI_NOT_FOUND;
}
Status = gBS->LocateProtocol (
&gEfiPciRootBridgeIoProtocolGuid,
NULL,
(void **)&PciRootBridgeIo
);
if (EFI_ERROR (Status)) {
return EFI_NOT_FOUND;
}
PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, 0x0A, 1, &DeviceClass);
PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function);
PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, 0, 1, &VendorId);
PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, 2, 1, &DeviceId);
//
// WA for PCIe SATA card (SYBA SY-PEX400-40)
//
if ((VendorId == 0x1B21) && (DeviceId == 0x0612)) {
Data8 = 0x07;
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint8, 4, 1, &Data8);
}
//
// Do not run RAID or AHCI Option ROM if IDE
//
if ( (DeviceClass == ((PCI_CLASS_MASS_STORAGE << 8 ) | PCI_CLASS_MASS_STORAGE_IDE)) ) {
return EFI_NOT_FOUND;
}
//
// Run PXE ROM only if Boot network is enabled and not in MFG mode
//
if (DeviceClass == ((PCI_CLASS_NETWORK << 8 ) | PCI_CLASS_NETWORK_ETHERNET)) {
if (((mSystemConfiguration.BootNetwork == 0) && (MfgMode == FALSE )) || (mSystemConfiguration.FastBoot == 1)) {
return EFI_NOT_FOUND;
}
}
//
// Loop through table of Onboard option rom descriptions
//
for (TableIndex = 0; mPciOptionRomTable[TableIndex].VendorId != 0xffff; TableIndex++) {
//
// See if the PCI device specified by PciHandle matches at device in mPciOptionRomTable
//
if (VendorId != mPciOptionRomTable[TableIndex].VendorId ||
DeviceId != mPciOptionRomTable[TableIndex].DeviceId ||
((DeviceClass == ((PCI_CLASS_NETWORK << 8 ) | PCI_CLASS_NETWORK_ETHERNET)) &&
(mPciOptionRomTable[TableIndex].Flag != mSystemConfiguration.BootNetwork)) ) {
continue;
}
Status = GetRawImage(
&mPciOptionRomTable[TableIndex].FileName,
RomImage,
RomSize
);
if ((VendorId == IGD_VID) && (DeviceId == IGD_DID_VLV_A0)) {
*(UINT16 *)(((UINTN) *RomImage) + OPROM_DID_OFFSET) = IGD_DID_VLV_A0;
}
if ((VendorId == IGD_VID) && (DeviceId == IGD_DID_II)) {
*(UINT16 *)(((UINTN) *RomImage) + OPROM_DID_OFFSET) = IGD_DID_II;
}
if ((VendorId == IGD_VID) && (DeviceId == IGD_DID_0BE4)) {
*(UINT16 *)(((UINTN) *RomImage) + OPROM_DID_OFFSET) = IGD_DID_0BE4;
}
if ((VendorId == IGD_VID) && (DeviceId == IGD_DID_QS)) {
*(UINT16 *)(((UINTN) *RomImage) + OPROM_DID_OFFSET) = IGD_DID_QS;
}
if (EFI_ERROR (Status)) {
continue;
}
return EFI_SUCCESS;
}
return EFI_NOT_FOUND;
}
/**
@param (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)
@retval EFI_STATUS
**/
EFI_STATUS
EFIAPI
PciPlatformDriverEntry (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
UINTN VarSize;
VarSize = sizeof(SYSTEM_CONFIGURATION);
Status = gRT->GetVariable(
L"Setup",
&gEfiNormalSetupGuid,
NULL,
&VarSize,
&mSystemConfiguration
);
if (EFI_ERROR (Status) || VarSize != sizeof(SYSTEM_CONFIGURATION)) {
//The setup variable is corrupted
VarSize = sizeof(SYSTEM_CONFIGURATION);
Status = gRT->GetVariable(
L"SetupRecovery",
&gEfiNormalSetupGuid,
NULL,
&VarSize,
&mSystemConfiguration
);
ASSERT_EFI_ERROR (Status);
}
//
// Install on a new handle
//
Status = gBS->InstallProtocolInterface (
&mPciPlatformHandle,
&gEfiPciPlatformProtocolGuid,
EFI_NATIVE_INTERFACE,
&mPciPlatform
);
return Status;
}
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