/**
Main entry for the Coreboot Support DXE module.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
CbDxeEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_HOB_GUID_TYPE *GuidHob;
SYSTEM_TABLE_INFO *pSystemTableInfo;
FRAME_BUFFER_INFO *FbInfo;
Status = EFI_SUCCESS;
//
// Report MMIO/IO Resources
//
Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEC00000, SIZE_4KB, 0, SystemTable); // IOAPIC
ASSERT_EFI_ERROR (Status);
Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFED00000, SIZE_1KB, 0, SystemTable); // HPET
ASSERT_EFI_ERROR (Status);
//
// Find the system table information guid hob
//
GuidHob = GetFirstGuidHob (&gUefiSystemTableInfoGuid);
ASSERT (GuidHob != NULL);
pSystemTableInfo = (SYSTEM_TABLE_INFO *)GET_GUID_HOB_DATA (GuidHob);
//
// Install Acpi Table
//
if (pSystemTableInfo->AcpiTableBase != 0 && pSystemTableInfo->AcpiTableSize != 0) {
DEBUG ((EFI_D_ERROR, "Install Acpi Table at 0x%lx, length 0x%x\n", pSystemTableInfo->AcpiTableBase, pSystemTableInfo->AcpiTableSize));
Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, (VOID *)(UINTN)pSystemTableInfo->AcpiTableBase);
ASSERT_EFI_ERROR (Status);
}
//
// Install Smbios Table
//
if (pSystemTableInfo->SmbiosTableBase != 0 && pSystemTableInfo->SmbiosTableSize != 0) {
DEBUG ((EFI_D_ERROR, "Install Smbios Table at 0x%lx, length 0x%x\n", pSystemTableInfo->SmbiosTableBase, pSystemTableInfo->SmbiosTableSize));
Status = gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, (VOID *)(UINTN)pSystemTableInfo->SmbiosTableBase);
ASSERT_EFI_ERROR (Status);
}
//
// Find the frame buffer information and update PCDs
//
GuidHob = GetFirstGuidHob (&gUefiFrameBufferInfoGuid);
if (GuidHob != NULL) {
FbInfo = (FRAME_BUFFER_INFO *)GET_GUID_HOB_DATA (GuidHob);
Status = PcdSet32S (PcdVideoHorizontalResolution, FbInfo->HorizontalResolution);
ASSERT_EFI_ERROR (Status);
Status = PcdSet32S (PcdVideoVerticalResolution, FbInfo->VerticalResolution);
ASSERT_EFI_ERROR (Status);
Status = PcdSet32S (PcdSetupVideoHorizontalResolution, FbInfo->HorizontalResolution);
ASSERT_EFI_ERROR (Status);
Status = PcdSet32S (PcdSetupVideoVerticalResolution, FbInfo->VerticalResolution);
ASSERT_EFI_ERROR (Status);
}
return EFI_SUCCESS;
}
/**
Main entry for the Coreboot Support DXE module.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
CbDxeEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_EVENT ReadyToBootEvent;
EFI_HOB_GUID_TYPE *GuidHob;
SYSTEM_TABLE_INFO *pSystemTableInfo;
ACPI_BOARD_INFO *pAcpiBoardInfo;
Status = EFI_SUCCESS;
//
// Report MMIO/IO Resources
//
Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEE00000, SIZE_1MB, 0, SystemTable); // LAPIC
ASSERT_EFI_ERROR (Status);
Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEC00000, SIZE_4KB, 0, SystemTable); // IOAPIC
ASSERT_EFI_ERROR (Status);
Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFED00000, SIZE_1KB, 0, SystemTable); // HPET
ASSERT_EFI_ERROR (Status);
//
// Find the system table information guid hob
//
GuidHob = GetFirstGuidHob (&gUefiSystemTableInfoGuid);
ASSERT (GuidHob != NULL);
pSystemTableInfo = (SYSTEM_TABLE_INFO *)GET_GUID_HOB_DATA (GuidHob);
//
// Install Acpi Table
//
if (pSystemTableInfo->AcpiTableBase != 0 && pSystemTableInfo->AcpiTableSize != 0) {
DEBUG ((EFI_D_ERROR, "Install Acpi Table at 0x%x, length 0x%x\n", (UINTN)pSystemTableInfo->AcpiTableBase, pSystemTableInfo->AcpiTableSize));
Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, (VOID *)(UINTN)pSystemTableInfo->AcpiTableBase);
ASSERT_EFI_ERROR (Status);
}
//
// Install Smbios Table
//
if (pSystemTableInfo->SmbiosTableBase != 0 && pSystemTableInfo->SmbiosTableSize != 0) {
DEBUG ((EFI_D_ERROR, "Install Smbios Table at 0x%x, length 0x%x\n", (UINTN)pSystemTableInfo->SmbiosTableBase, pSystemTableInfo->SmbiosTableSize));
Status = gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, (VOID *)(UINTN)pSystemTableInfo->SmbiosTableBase);
ASSERT_EFI_ERROR (Status);
}
//
// Find the acpi board information guid hob
//
GuidHob = GetFirstGuidHob (&gUefiAcpiBoardInfoGuid);
ASSERT (GuidHob != NULL);
pAcpiBoardInfo = (ACPI_BOARD_INFO *)GET_GUID_HOB_DATA (GuidHob);
mPmCtrlReg = (UINTN)pAcpiBoardInfo->PmCtrlRegBase;
DEBUG ((EFI_D_ERROR, "PmCtrlReg at 0x%x\n", mPmCtrlReg));
//
// Register callback on the ready to boot event
// in order to enable SCI
//
ReadyToBootEvent = NULL;
Status = EfiCreateEventReadyToBootEx (
TPL_CALLBACK,
OnReadyToBoot,
NULL,
&ReadyToBootEvent
);
ASSERT_EFI_ERROR (Status);
return EFI_SUCCESS;
}
