/**
Entry point for Acpi platform driver.
@param[in] ImageHandle A handle for the image that is initializing this driver.
@param[in] SystemTable A pointer to the EFI system table.
@retval EFI_SUCCESS Driver initialized successfully.
@retval EFI_LOAD_ERROR Failed to Initialize or has been loaded.
@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.
**/
EFI_STATUS
EFIAPI
AcpiPlatformEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_STATUS AcpiStatus;
EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;
EFI_FIRMWARE_VOLUME_PROTOCOL *FwVol;
INTN Instance;
EFI_ACPI_COMMON_HEADER *CurrentTable;
UINTN TableHandle;
UINT32 FvStatus;
UINT32 Size;
EFI_EVENT Event;
EFI_ACPI_TABLE_VERSION TableVersion;
UINTN VarSize;
UINTN SysCfgSize;
EFI_HANDLE Handle;
EFI_PS2_POLICY_PROTOCOL *Ps2Policy;
EFI_PEI_HOB_POINTERS GuidHob;
UINT8 PortData;
EFI_MP_SERVICES_PROTOCOL *MpService;
UINTN MaximumNumberOfCPUs;
UINTN NumberOfEnabledCPUs;
UINT32 Data32;
PCH_STEPPING pchStepping;
mFirstNotify = FALSE;
TableVersion = EFI_ACPI_TABLE_VERSION_2_0;
Instance = 0;
CurrentTable = NULL;
TableHandle = 0;
Data32 = 0;
//
// Update HOB variable for PCI resource information.
// Get the HOB list. If it is not present, then ASSERT.
//
GuidHob.Raw = GetHobList ();
if (GuidHob.Raw != NULL) {
if ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformInfoGuid, GuidHob.Raw)) != NULL) {
mPlatformInfo = GET_GUID_HOB_DATA (GuidHob.Guid);
}
}
//
// Search for the Memory Configuration GUID HOB. If it is not present, then
// there's nothing we can do. It may not exist on the update path.
//
VarSize = sizeof(SYSTEM_CONFIGURATION);
Status = gRT->GetVariable(
L"Setup",
&mSystemConfigurationGuid,
NULL,
&VarSize,
&mSystemConfiguration
);
ASSERT_EFI_ERROR (Status);
//
// Find the AcpiSupport protocol.
//
Status = LocateSupportProtocol (&gEfiAcpiSupportProtocolGuid, (VOID **) &AcpiSupport, 0);
ASSERT_EFI_ERROR (Status);
//
// Locate the firmware volume protocol.
//
Status = LocateSupportProtocol (&gEfiFirmwareVolumeProtocolGuid, (VOID **) &FwVol, 1);
ASSERT_EFI_ERROR (Status);
//
// Read the current system configuration variable store.
//
SysCfgSize = sizeof(SYSTEM_CONFIGURATION);
Status = gRT->GetVariable (
L"Setup",
&gEfiNormalSetupGuid,
NULL,
&SysCfgSize,
&mSystemConfig
);
Status = EFI_SUCCESS;
Instance = 0;
//
// TBD: Need re-design based on the ValleyTrail platform.
//
Status = gBS->LocateProtocol (
&gEfiMpServiceProtocolGuid,
NULL,
(VOID **) &MpService
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Determine the number of processors.
//
MpService->GetNumberOfProcessors (
MpService,
&MaximumNumberOfCPUs,
&NumberOfEnabledCPUs
);
//
// Allocate and initialize the NVS area for SMM and ASL communication.
//
Status = gBS->AllocatePool (
EfiACPIMemoryNVS,
sizeof (EFI_GLOBAL_NVS_AREA),
(void **)&mGlobalNvsArea.Area
);
ASSERT_EFI_ERROR (Status);
gBS->SetMem (
mGlobalNvsArea.Area,
sizeof (EFI_GLOBAL_NVS_AREA),
0
);
DEBUG((EFI_D_ERROR, "mGlobalNvsArea.Area is at 0x%X\n", mGlobalNvsArea.Area));
//
// Update global NVS area for ASL and SMM init code to use.
//
mGlobalNvsArea.Area->ApicEnable = 1;
mGlobalNvsArea.Area->EmaEnable = 0;
mGlobalNvsArea.Area->NumberOfBatteries = 1;
mGlobalNvsArea.Area->BatteryCapacity0 = 100;
mGlobalNvsArea.Area->BatteryStatus0 = 84;
mGlobalNvsArea.Area->OnboardCom = 1;
mGlobalNvsArea.Area->IdeMode = 0;
mGlobalNvsArea.Area->PowerState = 0;
mGlobalNvsArea.Area->LogicalProcessorCount = (UINT8)NumberOfEnabledCPUs;
mGlobalNvsArea.Area->PassiveThermalTripPoint = mSystemConfiguration.PassiveThermalTripPoint;
mGlobalNvsArea.Area->PassiveTc1Value = mSystemConfiguration.PassiveTc1Value;
mGlobalNvsArea.Area->PassiveTc2Value = mSystemConfiguration.PassiveTc2Value;
mGlobalNvsArea.Area->PassiveTspValue = mSystemConfiguration.PassiveTspValue;
mGlobalNvsArea.Area->CriticalThermalTripPoint = mSystemConfiguration.CriticalThermalTripPoint;
mGlobalNvsArea.Area->IgdPanelType = mSystemConfiguration.IgdFlatPanel;
mGlobalNvsArea.Area->IgdPanelScaling = mSystemConfiguration.PanelScaling;
mGlobalNvsArea.Area->IgdSciSmiMode = 0;
mGlobalNvsArea.Area->IgdTvFormat = 0;
mGlobalNvsArea.Area->IgdTvMinor = 0;
mGlobalNvsArea.Area->IgdSscConfig = 1;
mGlobalNvsArea.Area->IgdBiaConfig = mSystemConfiguration.IgdLcdIBia;
mGlobalNvsArea.Area->IgdBlcConfig = mSystemConfiguration.IgdLcdIGmchBlc;
mGlobalNvsArea.Area->IgdDvmtMemSize = mSystemConfiguration.IgdDvmt50TotalAlloc;
mGlobalNvsArea.Area->IgdPAVP = mSystemConfiguration.PavpMode;
mGlobalNvsArea.Area->AlsEnable = mSystemConfiguration.AlsEnable;
mGlobalNvsArea.Area->BacklightControlSupport = 2;
mGlobalNvsArea.Area->BrightnessPercentage = 100;
mGlobalNvsArea.Area->IgdState = 1;
mGlobalNvsArea.Area->LidState = 1;
mGlobalNvsArea.Area->DeviceId1 = 0x80000100 ;
mGlobalNvsArea.Area->DeviceId2 = 0x80000400 ;
mGlobalNvsArea.Area->DeviceId3 = 0x80000200 ;
mGlobalNvsArea.Area->DeviceId4 = 0x04;
mGlobalNvsArea.Area->DeviceId5 = 0x05;
mGlobalNvsArea.Area->NumberOfValidDeviceId = 4 ;
mGlobalNvsArea.Area->CurrentDeviceList = 0x0F ;
mGlobalNvsArea.Area->PreviousDeviceList = 0x0F ;
mGlobalNvsArea.Area->UartSelection = mSystemConfiguration.UartInterface;
mGlobalNvsArea.Area->PcuUart1Enable = mSystemConfiguration.PcuUart1;
mGlobalNvsArea.Area->NativePCIESupport = 1;
//
// Update BootMode: 0:ACPI mode; 1:PCI mode
//
mGlobalNvsArea.Area->LpssSccMode = mSystemConfiguration.LpssPciModeEnabled;
if (mSystemConfiguration.LpssMipiHsi == 0) {
mGlobalNvsArea.Area->MipiHsiAddr = 0;
mGlobalNvsArea.Area->MipiHsiLen = 0;
mGlobalNvsArea.Area->MipiHsi1Addr = 0;
mGlobalNvsArea.Area->MipiHsi1Len = 0;
}
//
// Platform Flavor
//
mGlobalNvsArea.Area->PlatformFlavor = mPlatformInfo->PlatformFlavor;
//
// Update the Platform id
//
mGlobalNvsArea.Area->BoardID = mPlatformInfo->BoardId;
//
// Update the Board Revision
//
mGlobalNvsArea.Area->FabID = mPlatformInfo->BoardRev;
//
// Update SOC Stepping
//
mGlobalNvsArea.Area->SocStepping = (UINT8)(PchStepping());
mGlobalNvsArea.Area->OtgMode = mSystemConfiguration.PchUsbOtg;
pchStepping = PchStepping();
if (mSystemConfiguration.UsbAutoMode == 1) {
//
// Auto mode is enabled.
//
if (PchA0 == pchStepping) {
//
// For A0, EHCI is enabled as default.
//
mSystemConfiguration.PchUsb20 = 1;
mSystemConfiguration.PchUsb30Mode = 0;
mSystemConfiguration.UsbXhciSupport = 0;
DEBUG ((EFI_D_INFO, "EHCI is enabled as default. SOC 0x%x\n", pchStepping));
} else {
//
// For A1 and later, XHCI is enabled as default.
//
mSystemConfiguration.PchUsb20 = 0;
mSystemConfiguration.PchUsb30Mode = 1;
mSystemConfiguration.UsbXhciSupport = 1;
DEBUG ((EFI_D_INFO, "XHCI is enabled as default. SOC 0x%x\n", pchStepping));
}
}
mGlobalNvsArea.Area->XhciMode = mSystemConfiguration.PchUsb30Mode;
mGlobalNvsArea.Area->Stepping = mPlatformInfo->IchRevision;
//
// Override invalid Pre-Boot Driver and XhciMode combination.
//
if ((mSystemConfiguration.UsbXhciSupport == 0) && (mSystemConfiguration.PchUsb30Mode == 3)) {
mGlobalNvsArea.Area->XhciMode = 2;
}
if ((mSystemConfiguration.UsbXhciSupport == 1) && (mSystemConfiguration.PchUsb30Mode == 2)) {
mGlobalNvsArea.Area->XhciMode = 3;
}
DEBUG ((EFI_D_ERROR, "ACPI NVS XHCI:0x%x\n", mGlobalNvsArea.Area->XhciMode));
mGlobalNvsArea.Area->PmicEnable = GLOBAL_NVS_DEVICE_DISABLE;
mGlobalNvsArea.Area->BatteryChargingSolution = GLOBAL_NVS_DEVICE_DISABLE;
mGlobalNvsArea.Area->ISPDevSel = mSystemConfiguration.ISPDevSel;
mGlobalNvsArea.Area->LpeEnable = mSystemConfiguration.Lpe;
if (mSystemConfiguration.ISPEn == 0) {
mGlobalNvsArea.Area->ISPDevSel = GLOBAL_NVS_DEVICE_DISABLE;
}
mGlobalNvsArea.Area->WittEnable = mSystemConfiguration.WittEnable;
mGlobalNvsArea.Area->UtsEnable = mSystemConfiguration.UtsEnable;
mGlobalNvsArea.Area->SarEnable = mSystemConfiguration.SAR1;
mGlobalNvsArea.Area->ReservedO = 1;
SettingI2CTouchAddress();
mGlobalNvsArea.Area->IdleReserve= mSystemConfiguration.IdleReserve;
//
// Read BMBOUND and store it in GlobalNVS to pass into ASL.
//
// BUGBUG: code was moved into silicon reference code.
//
if (mSystemConfiguration.eMMCBootMode== 1) {
//
// Auto detect mode.
//
DEBUG ((EFI_D_ERROR, "Auto detect mode------------start\n"));
//
// Silicon Steppings.
//
switch (PchStepping()) {
case PchA0: // A0/A1
case PchA1:
DEBUG ((EFI_D_ERROR, "SOC A0/A1: eMMC 4.41 Configuration\n"));
mSystemConfiguration.LpsseMMCEnabled = 1;
mSystemConfiguration.LpsseMMC45Enabled = 0;
break;
case PchB0: // B0 and later.
default:
DEBUG ((EFI_D_ERROR, "SOC B0 and later: eMMC 4.5 Configuration\n"));
mSystemConfiguration.LpsseMMCEnabled = 0;
mSystemConfiguration.LpsseMMC45Enabled = 1;
break;
}
} else if (mSystemConfiguration.eMMCBootMode == 2) {
//
// eMMC 4.41
//
DEBUG ((EFI_D_ERROR, "Force to eMMC 4.41 Configuration\n"));
mSystemConfiguration.LpsseMMCEnabled = 1;
mSystemConfiguration.LpsseMMC45Enabled = 0;
} else if (mSystemConfiguration.eMMCBootMode == 3) {
//
// eMMC 4.5
//
DEBUG ((EFI_D_ERROR, "Force to eMMC 4.5 Configuration\n"));
mSystemConfiguration.LpsseMMCEnabled = 0;
mSystemConfiguration.LpsseMMC45Enabled = 1;
} else {
//
// Disable eMMC controllers.
//
DEBUG ((EFI_D_ERROR, "Disable eMMC controllers\n"));
mSystemConfiguration.LpsseMMCEnabled = 0;
mSystemConfiguration.LpsseMMC45Enabled = 0;
}
mGlobalNvsArea.Area->emmcVersion = 0;
if (mSystemConfiguration.LpsseMMCEnabled) {
DEBUG ((EFI_D_ERROR, "mGlobalNvsArea.Area->emmcVersion = 0\n"));
mGlobalNvsArea.Area->emmcVersion = 0;
}
if (mSystemConfiguration.LpsseMMC45Enabled) {
DEBUG ((EFI_D_ERROR, "mGlobalNvsArea.Area->emmcVersion = 1\n"));
mGlobalNvsArea.Area->emmcVersion = 1;
}
mGlobalNvsArea.Area->SdCardRemovable = mSystemConfiguration.SdCardRemovable;
//
// Microsoft IOT
//
if ((mSystemConfiguration.LpssHsuart0FlowControlEnabled == 1) && \
(mSystemConfiguration.LpssPwm0Enabled == 0) && \
(mSystemConfiguration.LpssPwm1Enabled == 0)) {
mGlobalNvsArea.Area->MicrosoftIoT = GLOBAL_NVS_DEVICE_ENABLE;
DEBUG ((EFI_D_ERROR, "JP1 is set to be MSFT IOT configuration.\n"));
} else {
mGlobalNvsArea.Area->MicrosoftIoT = GLOBAL_NVS_DEVICE_DISABLE;
DEBUG ((EFI_D_ERROR, "JP1 is not set to be MSFT IOT configuration.\n"));
}
//
// SIO related option.
//
Status = gBS->LocateProtocol (&gEfiCpuIoProtocolGuid, NULL, (void **)&mCpuIo);
ASSERT_EFI_ERROR (Status);
mGlobalNvsArea.Area->WPCN381U = GLOBAL_NVS_DEVICE_DISABLE;
mGlobalNvsArea.Area->DockedSioPresent = GLOBAL_NVS_DEVICE_DISABLE;
if (mGlobalNvsArea.Area->DockedSioPresent != GLOBAL_NVS_DEVICE_ENABLE) {
//
// Check ID for SIO WPCN381U.
//
Status = mCpuIo->Io.Read (
mCpuIo,
EfiCpuIoWidthUint8,
WPCN381U_CONFIG_INDEX,
1,
&PortData
);
ASSERT_EFI_ERROR (Status);
if (PortData != 0xFF) {
PortData = 0x20;
Status = mCpuIo->Io.Write (
mCpuIo,
EfiCpuIoWidthUint8,
WPCN381U_CONFIG_INDEX,
1,
&PortData
);
ASSERT_EFI_ERROR (Status);
Status = mCpuIo->Io.Read (
mCpuIo,
EfiCpuIoWidthUint8,
WPCN381U_CONFIG_DATA,
1,
&PortData
);
ASSERT_EFI_ERROR (Status);
if ((PortData == WPCN381U_CHIP_ID) || (PortData == WDCP376_CHIP_ID)) {
mGlobalNvsArea.Area->WPCN381U = GLOBAL_NVS_DEVICE_ENABLE;
mGlobalNvsArea.Area->OnboardCom = GLOBAL_NVS_DEVICE_ENABLE;
mGlobalNvsArea.Area->OnboardComCir = GLOBAL_NVS_DEVICE_DISABLE;
}
}
}
//
// Get Ps2 policy to set. Will be use if present.
//
Status = gBS->LocateProtocol (
&gEfiPs2PolicyProtocolGuid,
NULL,
(VOID **)&Ps2Policy
);
if (!EFI_ERROR (Status)) {
Status = Ps2Policy->Ps2InitHardware (ImageHandle);
}
mGlobalNvsArea.Area->SDIOMode = mSystemConfiguration.LpssSdioMode;
Handle = NULL;
Status = gBS->InstallMultipleProtocolInterfaces (
&Handle,
&gEfiGlobalNvsAreaProtocolGuid,
&mGlobalNvsArea,
NULL
);
//
// Read tables from the storage file.
//
while (!EFI_ERROR (Status)) {
CurrentTable = NULL;
Status = FwVol->ReadSection (
FwVol,
&gEfiAcpiTableStorageGuid,
EFI_SECTION_RAW,
Instance,
(VOID **) &CurrentTable,
(UINTN *) &Size,
&FvStatus
);
if (!EFI_ERROR (Status)) {
//
// Allow platform specific code to reject the table or update it.
//
AcpiStatus = AcpiPlatformHooksIsActiveTable (CurrentTable);
if (!EFI_ERROR (AcpiStatus)) {
//
// Perform any table specific updates.
//
AcpiStatus = PlatformUpdateTables (CurrentTable);
if (!EFI_ERROR (AcpiStatus)) {
//
// Add the table.
//
TableHandle = 0;
AcpiStatus = AcpiSupport->SetAcpiTable (
AcpiSupport,
CurrentTable,
TRUE,
TableVersion,
&TableHandle
);
ASSERT_EFI_ERROR (AcpiStatus);
}
}
//
// Increment the instance.
//
Instance++;
}
}
Status = EfiCreateEventReadyToBootEx (
TPL_NOTIFY,
OnReadyToBoot,
NULL,
&Event
);
//
// Finished.
//
return EFI_SUCCESS;
}
EFI_STATUS
AcpiPlatformEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
EFI_FIRMWARE_VOLUME2_PROTOCOL *FwVol;
INTN Instance;
EFI_ACPI_COMMON_HEADER *CurrentTable;
UINTN TableHandle;
UINT32 FvStatus;
UINTN Size;
EFI_ACPI_TABLE_VERSION Version;
QNC_DEVICE_ENABLES QNCDeviceEnables;
EFI_HANDLE Handle;
UINTN Index;
PCI_DEVICE_INFO *PciDeviceInfo;
EFI_ACPI_HANDLE PciRootHandle;
BOOLEAN UpdatePRT;
BOOLEAN UpdatePRW;
PCI_DEVICE_SETTING *mConfigData;
Instance = 0;
TableHandle = 0;
CurrentTable = NULL;
mConfigData = NULL;
QNCDeviceEnables.Uint32 = PcdGet32 (PcdDeviceEnables);
//
// Initialize the EFI Driver Library
//
ASSERT (sizeof (EFI_GLOBAL_NVS_AREA) == 512);
Status = gBS->AllocatePool (
EfiACPIMemoryNVS,
sizeof (EFI_GLOBAL_NVS_AREA),
(VOID**)&mGlobalNvsArea.Area
);
Handle = NULL;
Status = gBS->InstallProtocolInterface (
&Handle,
&gEfiGlobalNvsAreaProtocolGuid,
EFI_NATIVE_INTERFACE,
&mGlobalNvsArea
);
ASSERT_EFI_ERROR (Status);
if (!EFI_ERROR (Status)) {
SetMem (
mGlobalNvsArea.Area,
sizeof (EFI_GLOBAL_NVS_AREA),
0
);
}
//
// Initialize the data. Eventually, this will be controlled by setup options.
//
mGlobalNvsArea.Area->HpetEnable = PcdGetBool (PcdHpetEnable);
mGlobalNvsArea.Area->Pm1blkIoBaseAddress = PcdGet16(PcdPm1blkIoBaseAddress);
mGlobalNvsArea.Area->PmbaIoBaseAddress = PcdGet16(PcdPmbaIoBaseAddress);
mGlobalNvsArea.Area->Gpe0blkIoBaseAddress = PcdGet16(PcdGpe0blkIoBaseAddress);
mGlobalNvsArea.Area->GbaIoBaseAddress = PcdGet16(PcdGbaIoBaseAddress);
mGlobalNvsArea.Area->SmbaIoBaseAddress = PcdGet16(PcdSmbaIoBaseAddress);
mGlobalNvsArea.Area->SpiDmaIoBaseAddress = PcdGet16(PcdSpiDmaIoBaseAddress);
mGlobalNvsArea.Area->WdtbaIoBaseAddress = PcdGet16(PcdWdtbaIoBaseAddress);
mGlobalNvsArea.Area->HpetBaseAddress = (UINT32)PcdGet64(PcdHpetBaseAddress);
mGlobalNvsArea.Area->HpetSize = (UINT32)PcdGet64(PcdHpetSize);
mGlobalNvsArea.Area->PciExpressBaseAddress= (UINT32)PcdGet64(PcdPciExpressBaseAddress);
mGlobalNvsArea.Area->PciExpressSize = (UINT32)PcdGet64(PcdPciExpressSize);
mGlobalNvsArea.Area->RcbaMmioBaseAddress = (UINT32)PcdGet64(PcdRcbaMmioBaseAddress);
mGlobalNvsArea.Area->RcbaMmioSize = (UINT32)PcdGet64(PcdRcbaMmioSize);
mGlobalNvsArea.Area->IoApicBaseAddress = (UINT32)PcdGet64(PcdIoApicBaseAddress);
mGlobalNvsArea.Area->IoApicSize = (UINT32)PcdGet64(PcdIoApicSize);
mGlobalNvsArea.Area->TpmPresent = (UINT32)(FALSE);
//
// Find the AcpiTable protocol
//
Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID**)&AcpiTable);
if (EFI_ERROR (Status)) {
return EFI_ABORTED;
}
//
// Initialize MADT table
//
Status = MadtTableInitialize (&CurrentTable, &Size);
ASSERT_EFI_ERROR (Status);
//
// Perform any table specific updates.
//
AcpiUpdateTable ((EFI_ACPI_DESCRIPTION_HEADER *) CurrentTable, &Version);
//
// Update the check sum
// It needs to be zeroed before the checksum calculation
//
((EFI_ACPI_SDT_HEADER *)CurrentTable)->Checksum = 0;
((EFI_ACPI_SDT_HEADER *)CurrentTable)->Checksum =
CalculateCheckSum8 ((VOID *)CurrentTable, CurrentTable->Length);
//
// Add the table
//
TableHandle = 0;
Status = AcpiTable->InstallAcpiTable (
AcpiTable,
CurrentTable,
CurrentTable->Length,
&TableHandle
);
ASSERT_EFI_ERROR (Status);
CurrentTable = NULL;
//
// Init Pci Device PRT PRW information structure from PCD
//
mConfigData = (PCI_DEVICE_SETTING *)AllocateZeroPool (sizeof (PCI_DEVICE_SETTING));
ASSERT_EFI_ERROR (mConfigData);
InitPciDeviceInfoStructure (mConfigData);
//
// Get the Acpi SDT protocol for manipulation on acpi table
//
Status = gBS->LocateProtocol (&gEfiAcpiSdtProtocolGuid, NULL, (VOID **)&mAcpiSdt);
ASSERT_EFI_ERROR (Status);
//
// Locate the firmware volume protocol
//
Status = LocateSupportProtocol (&gEfiFirmwareVolume2ProtocolGuid, (VOID**)&FwVol, 1);
if (EFI_ERROR (Status)) {
return EFI_ABORTED;
}
//
// Read tables from the storage file.
//
while (Status == EFI_SUCCESS) {
Status = FwVol->ReadSection (
FwVol,
(EFI_GUID*)PcdGetPtr (PcdAcpiTableStorageFile),
EFI_SECTION_RAW,
Instance,
(VOID**)&CurrentTable,
&Size,
&FvStatus
);
if (!EFI_ERROR(Status)) {
//
// Perform any table specific updates.
//
AcpiUpdateTable ((EFI_ACPI_DESCRIPTION_HEADER *) CurrentTable, &Version);
//
// Update the check sum
// It needs to be zeroed before the checksum calculation
//
((EFI_ACPI_SDT_HEADER *)CurrentTable)->Checksum = 0;
((EFI_ACPI_SDT_HEADER *)CurrentTable)->Checksum =
CalculateCheckSum8 ((VOID *)CurrentTable, CurrentTable->Length);
//
// Add the table
//
TableHandle = 0;
Status = AcpiTable->InstallAcpiTable (
AcpiTable,
CurrentTable,
((EFI_ACPI_DESCRIPTION_HEADER *) CurrentTable)->Length,
&TableHandle
);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
//
// If this table is the DSDT table, then update the _PRT and _PRW based on
// the settings from pcds
//
if (CurrentTable->Signature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) {
//
// Create the root handle for DSDT table
//
Status = mAcpiSdt->OpenSdt (TableHandle, &mDsdtHandle);
ASSERT_EFI_ERROR (Status);
PciRootHandle = NULL;
PciRootHandle = SdtGetRootBridgeHandle (mAcpiSdt, mDsdtHandle);
ASSERT (PciRootHandle != NULL);
PciDeviceInfo = NULL;
for (Index = 0; Index < mConfigData->PciDeviceInfoNumber; Index++) {
PciDeviceInfo = &(mConfigData->PciDeviceInfo[Index]);
//
// Check whether this is a valid item
//
if ((PciDeviceInfo->BridgeAddress != 0xFFFFFFFF) && (PciDeviceInfo->DeviceAddress != 0xFFFFFFFF)) {
//DEBUG ((EFI_D_ERROR, "Valid pci info structure: bridge address:0x%x, device address:0x%x\n", PciDeviceInfo->BridgeAddress, PciDeviceInfo->DeviceAddress));
UpdatePRT = FALSE;
UpdatePRW = FALSE;
SdtCheckPciDeviceInfoChanged (PciDeviceInfo, &UpdatePRT, &UpdatePRW);
//
// Check whether there is any valid pci routing item
//
if (UpdatePRT) {
//
// Update the pci routing information
//
//DEBUG ((EFI_D_ERROR, "Update _PRT\n"));
SdtUpdatePciRouting (mAcpiSdt, PciRootHandle, PciDeviceInfo);
}
//
// Check whether there is any valid pci routing item
//
if (UpdatePRW) {
//
// Update the pci wakeup information
//
//DEBUG ((EFI_D_ERROR, "Update _PRW\n"));
SdtUpdatePowerWake (mAcpiSdt, PciRootHandle, PciDeviceInfo);
}
}
}
Status = mAcpiSdt->Close (PciRootHandle);
ASSERT_EFI_ERROR (Status);
//
// Mark the root handle as modified , let SDT protocol recaculate the checksum
//
((EFI_AML_HANDLE *)mDsdtHandle)->Modified = TRUE;
Status = mAcpiSdt->Close (mDsdtHandle);
ASSERT_EFI_ERROR (Status);
}
//
// Increment the instance
//
Instance++;
CurrentTable = NULL;
}
}
gBS->FreePool (mConfigData);
return EFI_SUCCESS;
}
/**
Routine Description:
GC_TODO: Add function description.
Arguments:
Event - GC_TODO: add argument description
Context - GC_TODO: add argument description
Returns:
GC_TODO: add return values
**/
STATIC
VOID
EFIAPI
OnReadyToBoot (
IN EFI_EVENT Event,
IN VOID *Context
)
{
EFI_STATUS Status;
EFI_ACPI_TABLE_VERSION TableVersion;
EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;
EFI_ACPI_S3_SAVE_PROTOCOL *AcpiS3Save;
SYSTEM_CONFIGURATION SetupVarBuffer;
UINTN VariableSize;
EFI_PLATFORM_CPU_INFO *PlatformCpuInfoPtr = NULL;
EFI_PLATFORM_CPU_INFO PlatformCpuInfo;
EFI_PEI_HOB_POINTERS GuidHob;
if (mFirstNotify) {
return;
}
mFirstNotify = TRUE;
//
// To avoid compiler warning of "C4701: potentially uninitialized local variable 'PlatformCpuInfo' used".
//
PlatformCpuInfo.CpuVersion.FullCpuId = 0;
//
// Get Platform CPU Info HOB.
//
PlatformCpuInfoPtr = NULL;
ZeroMem (&PlatformCpuInfo, sizeof(EFI_PLATFORM_CPU_INFO));
VariableSize = sizeof(EFI_PLATFORM_CPU_INFO);
Status = gRT->GetVariable(
EfiPlatformCpuInfoVariable,
&gEfiVlv2VariableGuid,
NULL,
&VariableSize,
PlatformCpuInfoPtr
);
if (EFI_ERROR(Status)) {
GuidHob.Raw = GetHobList ();
if (GuidHob.Raw != NULL) {
if ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformCpuInfoGuid, GuidHob.Raw)) != NULL) {
PlatformCpuInfoPtr = GET_GUID_HOB_DATA (GuidHob.Guid);
}
}
}
if ((PlatformCpuInfoPtr != NULL)) {
CopyMem(&PlatformCpuInfo, PlatformCpuInfoPtr, sizeof(EFI_PLATFORM_CPU_INFO));
}
//
// Update the ACPI parameter blocks finally.
//
VariableSize = sizeof (SYSTEM_CONFIGURATION);
Status = gRT->GetVariable (
L"Setup",
&mSystemConfigurationGuid,
NULL,
&VariableSize,
&SetupVarBuffer
);
ASSERT_EFI_ERROR (Status);
//
// Find the AcpiSupport protocol.
//
Status = LocateSupportProtocol (&gEfiAcpiSupportProtocolGuid, (VOID **) &AcpiSupport, 0);
ASSERT_EFI_ERROR (Status);
TableVersion = EFI_ACPI_TABLE_VERSION_2_0;
//
// Publish ACPI 1.0 or 2.0 Tables.
//
Status = AcpiSupport->PublishTables (
AcpiSupport,
TableVersion
);
ASSERT_EFI_ERROR (Status);
//
// S3 script save.
//
Status = gBS->LocateProtocol (&gEfiAcpiS3SaveProtocolGuid, NULL, (VOID **) &AcpiS3Save);
if (!EFI_ERROR (Status)) {
AcpiS3Save->S3Save (AcpiS3Save, NULL);
}
}
EFI_STATUS
PublishAcpiTablesFromFv (
VOID
)
{
EFI_STATUS Status;
EFI_FIRMWARE_VOLUME2_PROTOCOL *FwVol;
EFI_ACPI_COMMON_HEADER *CurrentTable;
UINT32 FvStatus;
UINTN Size;
EFI_ACPI_TABLE_VERSION Version;
UINTN TableHandle;
INTN Instance;
EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
Instance = 0;
TableHandle = 0;
CurrentTable = NULL;
FwVol = NULL;
//
// Find the AcpiTable protocol
//
Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID**)&AcpiTable);
if (EFI_ERROR (Status)) {
return EFI_ABORTED;
}
//
// Locate the firmware volume protocol
//
Status = LocateSupportProtocol (&gEfiFirmwareVolume2ProtocolGuid, (VOID**)&FwVol, 1);
if (EFI_ERROR (Status)) {
return EFI_ABORTED;
}
//
// Read tables from the storage file.
//
while (Status == EFI_SUCCESS) {
Status = FwVol->ReadSection (
FwVol,
&gEfiCallerIdGuid,
EFI_SECTION_RAW,
Instance,
(VOID**)&CurrentTable,
&Size,
&FvStatus
);
if (!EFI_ERROR(Status)) {
//
// Perform any table specific updates.
//
AcpiUpdateTable ((EFI_ACPI_DESCRIPTION_HEADER *) CurrentTable, &Version);
//
// Add the table
//
TableHandle = 0;
Status = AcpiTable->InstallAcpiTable (
AcpiTable,
CurrentTable,
((EFI_ACPI_DESCRIPTION_HEADER *) CurrentTable)->Length,
&TableHandle
);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
//
// Increment the instance
//
Instance++;
CurrentTable = NULL;
}
}
//
// Finished
//
return EFI_SUCCESS;
}
