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;
}
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;
}
