VOID
AcpiPmControl (
UINTN SuspendType
)
{
UINT16 AcpiPmBaseAddress;
UINT16 HostBridgeDevId;
ASSERT (SuspendType < 6);
AcpiPmBaseAddress = 0;
HostBridgeDevId = PciRead16 (OVMF_HOSTBRIDGE_DID);
switch (HostBridgeDevId) {
case INTEL_82441_DEVICE_ID:
AcpiPmBaseAddress = PIIX4_PMBA_VALUE;
break;
case INTEL_Q35_MCH_DEVICE_ID:
AcpiPmBaseAddress = ICH9_PMBASE_VALUE;
break;
default:
ASSERT (FALSE);
CpuDeadLoop ();
}
IoBitFieldWrite16 (AcpiPmBaseAddress + 4, 10, 13, (UINT16) SuspendType);
IoOr16 (AcpiPmBaseAddress + 4, BIT13);
CpuDeadLoop ();
}
VOID
AcpiInitialization (
VOID
)
{
//
// Set ACPI SCI_EN bit in PMCNTRL
//
IoOr16 ((PciRead32 (PCI_LIB_ADDRESS (0, 1, 3, 0x40)) & ~BIT0) + 4, BIT0);
}
VOID
AcpiPmControl (
UINTN SuspendType
)
{
ASSERT (SuspendType < 6);
IoAndThenOr16 (0x404, (UINT16) ~0x3c00, (UINT16) (SuspendType << 10));
IoOr16 (0x404, BIT13);
CpuDeadLoop ();
}
/**
Notification function of EVT_GROUP_READY_TO_BOOT event group.
This is a notification function registered on EVT_GROUP_READY_TO_BOOT event group.
When the Boot Manager is about to load and execute a boot option, it reclaims variable
storage if free size is below the threshold.
@param Event Event whose notification function is being invoked.
@param Context Pointer to the notification function's context.
**/
VOID
OnReadyToBoot (
EFI_EVENT Event,
VOID *Context
)
{
//
// Enable SCI
//
IoOr16 (mPmCtrlReg, BIT0);
DEBUG ((EFI_D_ERROR, "Enable SCI bit at 0x%x before boot\n", mPmCtrlReg));
}
VOID
AcpiPmControl (
UINTN SuspendType
)
{
EFI_HOB_GUID_TYPE *GuidHob;
ACPI_BOARD_INFO *pAcpiBoardInfo;
UINTN PmCtrlReg = 0;
ASSERT (SuspendType <= 7);
//
// Find the acpi board information guid hob
//
GuidHob = GetFirstGuidHob (&gUefiAcpiBoardInfoGuid);
ASSERT (GuidHob != NULL);
pAcpiBoardInfo = (ACPI_BOARD_INFO *)GET_GUID_HOB_DATA (GuidHob);
PmCtrlReg = (UINTN)pAcpiBoardInfo->PmCtrlRegBase;
IoAndThenOr16 (PmCtrlReg, (UINT16) ~0x3c00, (UINT16) (SuspendType << 10));
IoOr16 (PmCtrlReg, BIT13);
CpuDeadLoop ();
}
/**
Clear APM SMI Status Bit; Set the EOS bit.
**/
VOID
EFIAPI
ClearSmi (
VOID
)
{
UINT16 GPE0BLK_Base;
//
// Get GpeBase
//
GPE0BLK_Base = (UINT16)(LpcPciCfg32 (R_QNC_LPC_GPE0BLK) & 0xFFFF);
//
// Clear the APM SMI Status Bit
//
IoOr16 (GPE0BLK_Base + R_QNC_GPE0BLK_SMIS, B_QNC_GPE0BLK_SMIS_APM);
//
// Set the EOS Bit
//
IoOr32 (GPE0BLK_Base + R_QNC_GPE0BLK_SMIS, B_QNC_GPE0BLK_SMIS_EOS);
}
