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audk/Vlv2TbltDevicePkg/PlatformDxe/Platform.c

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/** @file
Copyright (c) 2004 - 2015, 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:
Platform.c
Abstract:
Platform Initialization Driver.
--*/
#include "PlatformDxe.h"
#include "Platform.h"
#include "PchCommonDefinitions.h"
#include <Protocol/UsbPolicy.h>
#include <Protocol/PchPlatformPolicy.h>
#include <Protocol/TpmMp.h>
#include <Protocol/CpuIo2.h>
#include <Library/S3BootScriptLib.h>
#include <Guid/PciLanInfo.h>
#include <Guid/ItkData.h>
#include <Library/PciLib.h>
#include <PlatformBootMode.h>
#include <Guid/EventGroup.h>
#include <Guid/Vlv2Variable.h>
#include <Protocol/GlobalNvsArea.h>
#include <Protocol/IgdOpRegion.h>
#include <Library/PcdLib.h>
#include <Protocol/VariableLock.h>
//
// VLV2 GPIO GROUP OFFSET
//
#define GPIO_SCORE_OFFSET 0x0000
#define GPIO_NCORE_OFFSET 0x1000
#define GPIO_SSUS_OFFSET 0x2000
typedef struct {
UINT32 offset;
UINT32 val;
} CFIO_PNP_INIT;
GPIO_CONF_PAD_INIT mTB_BL_GpioInitData_SC_TRI_Exit_boot_Service[] =
{
// Pad Name GPIO Number Used As GPO Default Function# INT Capable Interrupt Type PULL H/L MMIO Offset
GPIO_INIT_ITEM("LPC_CLKOUT0 GPIOC_47 " ,TRISTS ,NA ,F0 , , ,NONE ,0x47),
GPIO_INIT_ITEM("LPC_CLKOUT1 GPIOC_48 " ,TRISTS ,NA ,F0 , , ,NONE ,0x41),
};
EFI_GUID mSystemHiiExportDatabase = EFI_HII_EXPORT_DATABASE_GUID;
EFI_GUID mPlatformDriverGuid = EFI_PLATFORM_DRIVER_GUID;
SYSTEM_CONFIGURATION mSystemConfiguration;
SYSTEM_PASSWORDS mSystemPassword;
EFI_HANDLE mImageHandle;
BOOLEAN mMfgMode = FALSE;
VOID *mDxePlatformStringPack;
UINT32 mPlatformBootMode = PLATFORM_NORMAL_MODE;
extern CHAR16 gItkDataVarName[];
EFI_PLATFORM_INFO_HOB mPlatformInfo;
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *mPciRootBridgeIo;
EFI_EVENT mReadyToBootEvent;
UINT8 mSmbusRsvdAddresses[] = PLATFORM_SMBUS_RSVD_ADDRESSES;
UINT8 mNumberSmbusAddress = sizeof( mSmbusRsvdAddresses ) / sizeof( mSmbusRsvdAddresses[0] );
UINT32 mSubsystemVidDid;
UINT32 mSubsystemAudioVidDid;
UINTN mPciLanCount = 0;
VOID *mPciLanInfo = NULL;
UINTN SpiBase;
static EFI_SPEAKER_IF_PROTOCOL mSpeakerInterface = {
ProgramToneFrequency,
GenerateBeepTone
};
EFI_USB_POLICY_PROTOCOL mUsbPolicyData = {0};
CFIO_PNP_INIT mTB_BL_GpioInitData_SC_TRI_S0ix_Exit_boot_Service[] =
{
{0x410 ,0x20038e10}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_clkout1_pconf0
{0x470 ,0x20038e10}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_clkout0_pconf0
{0x560 ,0x20038e10}, //vlv.gpio.gpscore.cfio_regs_pad_ilb_serirq_pconf0
{0x450 ,0x20038e10}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_frameb_pconf0
{0x480 ,0x20038e10}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_clkrunb_pconf0
{0x420 ,0x20038e10}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_ad3_pconf0
{0x430 ,0x20038e10}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_ad2_pconf0
{0x440 ,0x20038e10}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_ad1_pconf0
{0x460 ,0x20038e10}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_ad0_pconf0
{0x418 ,0x00000006}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_clkout1_pad_val
{0x478 ,0x00000006}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_clkout0_pad_val
{0x568 ,0x00000006}, //vlv.gpio.gpscore.cfio_regs_pad_ilb_serirq_pad_val
{0x458 ,0x00000006}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_frameb_pad_val
{0x488 ,0x00000006}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_clkrunb_pad_val
{0x428 ,0x00000006}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_ad3_pad_val
{0x438 ,0x00000006}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_ad2_pad_val
{0x448 ,0x00000006}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_ad1_pad_val
{0x468 ,0x00000006}, //vlv.gpio.gpscore.cfio_regs_pad_lpc_ad0_pad_val
};
VOID
EfiOrMem (
IN VOID *Destination,
IN VOID *Source,
IN UINTN Length
);
#if defined(FIRMWARE_ID_BACKWARD_COMPATIBLE) && (FIRMWARE_ID_BACKWARD_COMPATIBLE != 0)
STATIC
VOID
InitFirmwareId();
#endif
VOID
InitializeClockRouting(
);
VOID
InitializeSlotInfo (
);
#if defined(SENSOR_INFO_VAR_SUPPORT) && SENSOR_INFO_VAR_SUPPORT != 0
VOID
InitializeSensorInfoVariable (
);
#endif
VOID
InitTcoReset (
);
VOID
InitExI ();
VOID
InitItk();
VOID
InitPlatformBootMode();
VOID
InitMfgAndConfigModeStateVar();
VOID
InitPchPlatformPolicy (
IN EFI_PLATFORM_INFO_HOB *PlatformInfo
);
VOID
InitVlvPlatformPolicy (
);
VOID
InitSioPlatformPolicy(
);
VOID
PchInitBeforeBoot(
);
VOID
UpdateDVMTSetup(
);
VOID
InitPlatformUsbPolicy (
VOID
);
VOID
InitRC6Policy(
VOID
);
EFI_STATUS
EFIAPI
SaveSetupRecoveryVar(
VOID
)
{
EFI_STATUS Status = EFI_SUCCESS;
UINTN SizeOfNvStore = 0;
UINTN SizeOfSetupVar = 0;
SYSTEM_CONFIGURATION *SetupData = NULL;
SYSTEM_CONFIGURATION *RecoveryNvData = NULL;
EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock = NULL;
DEBUG ((EFI_D_INFO, "SaveSetupRecoveryVar() Entry \n"));
SizeOfNvStore = sizeof(SYSTEM_CONFIGURATION);
RecoveryNvData = AllocateZeroPool (sizeof(SYSTEM_CONFIGURATION));
if (NULL == RecoveryNvData) {
Status = EFI_OUT_OF_RESOURCES;
goto Exit;
}
Status = gRT->GetVariable(
L"SetupRecovery",
&gEfiNormalSetupGuid,
NULL,
&SizeOfNvStore,
RecoveryNvData
);
if (EFI_ERROR (Status)) {
// Don't find the "SetupRecovery" variable.
// have to copy "Setup" variable to "SetupRecovery" variable.
SetupData = AllocateZeroPool (sizeof(SYSTEM_CONFIGURATION));
if (NULL == SetupData) {
Status = EFI_OUT_OF_RESOURCES;
goto Exit;
}
SizeOfSetupVar = sizeof(SYSTEM_CONFIGURATION);
Status = gRT->GetVariable(
NORMAL_SETUP_NAME,
&gEfiNormalSetupGuid,
NULL,
&SizeOfSetupVar,
SetupData
);
ASSERT_EFI_ERROR (Status);
Status = gRT->SetVariable (
L"SetupRecovery",
&gEfiNormalSetupGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
sizeof(SYSTEM_CONFIGURATION),
SetupData
);
ASSERT_EFI_ERROR (Status);
Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **) &VariableLock);
if (!EFI_ERROR (Status)) {
Status = VariableLock->RequestToLock (VariableLock, L"SetupRecovery", &gEfiNormalSetupGuid);
ASSERT_EFI_ERROR (Status);
}
}
Exit:
if (RecoveryNvData)
FreePool (RecoveryNvData);
if (SetupData)
FreePool (SetupData);
return Status;
}
VOID
TristateLpcGpioConfig (
IN UINT32 Gpio_Mmio_Offset,
IN UINT32 Gpio_Pin_Num,
GPIO_CONF_PAD_INIT* Gpio_Conf_Data
)
{
UINT32 index;
UINT32 mmio_conf0;
UINT32 mmio_padval;
PAD_CONF0 conf0_val;
PAD_VAL pad_val;
//
// GPIO WELL -- Memory base registers
//
//
// A0 BIOS Spec doesn't mention it although X0 does. comment out now.
// GPIO write 0x01001002 to IOBASE + Gpio_Mmio_Offset + 0x0900
//
for(index=0; index < Gpio_Pin_Num; index++)
{
//
// Calculate the MMIO Address for specific GPIO pin CONF0 register pointed by index.
//
mmio_conf0 = IO_BASE_ADDRESS + Gpio_Mmio_Offset + R_PCH_CFIO_PAD_CONF0 + Gpio_Conf_Data[index].offset * 16;
mmio_padval= IO_BASE_ADDRESS + Gpio_Mmio_Offset + R_PCH_CFIO_PAD_VAL + Gpio_Conf_Data[index].offset * 16;
#ifdef EFI_DEBUG
DEBUG ((EFI_D_INFO, "%s, ", Gpio_Conf_Data[index].pad_name));
#endif
DEBUG ((EFI_D_INFO, "Usage = %d, Func# = %d, IntType = %d, Pull Up/Down = %d, MMIO Base = 0x%08x, ",
Gpio_Conf_Data[index].usage,
Gpio_Conf_Data[index].func,
Gpio_Conf_Data[index].int_type,
Gpio_Conf_Data[index].pull,
mmio_conf0));
//
// Step 1: PadVal Programming
//
pad_val.dw = MmioRead32(mmio_padval);
//
// Config PAD_VAL only for GPIO (Non-Native) Pin
//
if(Native != Gpio_Conf_Data[index].usage)
{
pad_val.dw &= ~0x6; // Clear bits 1:2
pad_val.dw |= (Gpio_Conf_Data[index].usage & 0x6); // Set bits 1:2 according to PadVal
//
// set GPO default value
//
if(Gpio_Conf_Data[index].usage == GPO && Gpio_Conf_Data[index].gpod4 != NA)
{
pad_val.r.pad_val = Gpio_Conf_Data[index].gpod4;
}
}
DEBUG ((EFI_D_INFO, "Set PAD_VAL = 0x%08x, ", pad_val.dw));
MmioWrite32(mmio_padval, pad_val.dw);
//
// Step 2: CONF0 Programming
// Read GPIO default CONF0 value, which is assumed to be default value after reset.
//
conf0_val.dw = MmioRead32(mmio_conf0);
//
// Set Function #
//
conf0_val.r.Func_Pin_Mux = Gpio_Conf_Data[index].func;
if(GPO == Gpio_Conf_Data[index].usage)
{
//
// If used as GPO, then internal pull need to be disabled
//
conf0_val.r.Pull_assign = 0; // Non-pull
}
else
{
//
// Set PullUp / PullDown
//
if(P_20K_H == Gpio_Conf_Data[index].pull)
{
conf0_val.r.Pull_assign = 0x1; // PullUp
conf0_val.r.Pull_strength = 0x2;// 20K
}
else if(P_20K_L == Gpio_Conf_Data[index].pull)
{
conf0_val.r.Pull_assign = 0x2; // PullDown
conf0_val.r.Pull_strength = 0x2;// 20K
}
else if(P_NONE == Gpio_Conf_Data[index].pull)
{
conf0_val.r.Pull_assign = 0; // Non-pull
}
else
{
ASSERT(FALSE); // Invalid value
}
}
//
// Set INT Trigger Type
//
conf0_val.dw &= ~0x0f000000; // Clear bits 27:24
//
// Set INT Trigger Type
//
if(TRIG_ == Gpio_Conf_Data[index].int_type)
{
//
// Interrupt not capable, clear bits 27:24
//
}
else
{
conf0_val.dw |= (Gpio_Conf_Data[index].int_type & 0x0f)<<24;
}
DEBUG ((EFI_D_INFO, "Set CONF0 = 0x%08x\n", conf0_val.dw));
//
// Write back the targeted GPIO config value according to platform (board) GPIO setting
//
MmioWrite32 (mmio_conf0, conf0_val.dw);
}
// A0 BIOS Spec doesn't mention it although X0 does. comment out now.
// GPIO SCORE write 0x01001002 to IOBASE + 0x0900
//
}
VOID
EFIAPI
SpiBiosProtectionFunction(
EFI_EVENT Event,
VOID *Context
)
{
UINTN mPciD31F0RegBase;
UINTN BiosFlaLower0;
UINTN BiosFlaLimit0;
UINTN BiosFlaLower1;
UINTN BiosFlaLimit1;
BiosFlaLower0 = PcdGet32(PcdFlashMicroCodeAddress)-PcdGet32(PcdFlashAreaBaseAddress);
BiosFlaLimit0 = PcdGet32(PcdFlashMicroCodeSize)-1;
#ifdef MINNOW2_FSP_BUILD
BiosFlaLower1 = PcdGet32(PcdFlashFvFspBase)-PcdGet32(PcdFlashAreaBaseAddress);
BiosFlaLimit1 = (PcdGet32(PcdFlashFvRecoveryBase)-PcdGet32(PcdFlashFvFspBase)+PcdGet32(PcdFlashFvRecoverySize))-1;
#else
BiosFlaLower1 = PcdGet32(PcdFlashFvMainBase)-PcdGet32(PcdFlashAreaBaseAddress);
BiosFlaLimit1 = (PcdGet32(PcdFlashFvRecoveryBase)-PcdGet32(PcdFlashFvMainBase)+PcdGet32(PcdFlashFvRecoverySize))-1;
#endif
mPciD31F0RegBase = MmPciAddress (0,
DEFAULT_PCI_BUS_NUMBER_PCH,
PCI_DEVICE_NUMBER_PCH_LPC,
PCI_FUNCTION_NUMBER_PCH_LPC,
0
);
SpiBase = MmioRead32(mPciD31F0RegBase + R_PCH_LPC_SPI_BASE) & B_PCH_LPC_SPI_BASE_BAR;
//
//Set SMM_BWP, WPD and LE bit
//
MmioOr32 ((UINTN) (SpiBase + R_PCH_SPI_BCR), (UINT8) B_PCH_SPI_BCR_SMM_BWP);
MmioAnd32 ((UINTN) (SpiBase + R_PCH_SPI_BCR), (UINT8)(~B_PCH_SPI_BCR_BIOSWE));
MmioOr32 ((UINTN) (SpiBase + R_PCH_SPI_BCR), (UINT8) B_PCH_SPI_BCR_BLE);
//
//First check if FLOCKDN or PR0FLOCKDN is set. No action if either of them set already.
//
if( (MmioRead16(SpiBase + R_PCH_SPI_HSFS) & B_PCH_SPI_HSFS_FLOCKDN) != 0 ||
(MmioRead32(SpiBase + R_PCH_SPI_IND_LOCK)& B_PCH_SPI_IND_LOCK_PR0) != 0) {
//
//Already locked. we could take no action here
//
DEBUG((EFI_D_INFO, "PR0 already locked down. Stop configuring PR0.\n"));
return;
}
//
//Set PR0
//
MmioOr32((UINTN)(SpiBase + R_PCH_SPI_PR0),
B_PCH_SPI_PR0_RPE|B_PCH_SPI_PR0_WPE|\
(B_PCH_SPI_PR0_PRB_MASK&(BiosFlaLower0>>12))|(B_PCH_SPI_PR0_PRL_MASK&(BiosFlaLimit0>>12)<<16));
//
//Lock down PR0
//
MmioOr16 ((UINTN) (SpiBase + R_PCH_SPI_HSFS), (UINT16) (B_PCH_SPI_HSFS_FLOCKDN));
//
// Verify if it's really locked.
//
if ((MmioRead16 (SpiBase + R_PCH_SPI_HSFS) & B_PCH_SPI_HSFS_FLOCKDN) == 0) {
DEBUG((EFI_D_ERROR, "Failed to lock down PR0.\n"));
}
//
//Set PR1
//
MmioOr32((UINTN)(SpiBase + R_PCH_SPI_PR1),
B_PCH_SPI_PR1_RPE|B_PCH_SPI_PR1_WPE|\
(B_PCH_SPI_PR1_PRB_MASK&(BiosFlaLower1>>12))|(B_PCH_SPI_PR1_PRL_MASK&(BiosFlaLimit1>>12)<<16));
//
//Lock down PR1
//
MmioOr16 ((UINTN) (SpiBase + R_PCH_SPI_HSFS), (UINT16) (B_PCH_SPI_HSFS_FLOCKDN));
//
// Verify if it's really locked.
//
if ((MmioRead16 (SpiBase + R_PCH_SPI_HSFS) & B_PCH_SPI_HSFS_FLOCKDN) == 0) {
DEBUG((EFI_D_ERROR, "Failed to lock down PR1.\n"));
}
return;
}
VOID
EFIAPI
InitPciDevPME (
EFI_EVENT Event,
VOID *Context
)
{
UINTN VarSize;
EFI_STATUS Status;
VarSize = sizeof(SYSTEM_CONFIGURATION);
Status = gRT->GetVariable(
NORMAL_SETUP_NAME,
&gEfiNormalSetupGuid,
NULL,
&VarSize,
&mSystemConfiguration
);
//
//Program HDA PME_EN
//
PchAzaliaPciCfg32Or (R_PCH_HDA_PCS, B_PCH_HDA_PCS_PMEE);
//
//Program SATA PME_EN
//
PchSataPciCfg32Or (R_PCH_SATA_PMCS, B_PCH_SATA_PMCS_PMEE);
DEBUG ((EFI_D_INFO, "InitPciDevPME mSystemConfiguration.EhciPllCfgEnable = 0x%x \n",mSystemConfiguration.EhciPllCfgEnable));
if (mSystemConfiguration.EhciPllCfgEnable != 1) {
//
//Program EHCI PME_EN
//
PchMmPci32Or (
0,
0,
PCI_DEVICE_NUMBER_PCH_USB,
PCI_FUNCTION_NUMBER_PCH_EHCI,
R_PCH_EHCI_PWR_CNTL_STS,
B_PCH_EHCI_PWR_CNTL_STS_PME_EN
);
}
{
UINTN EhciPciMmBase;
UINT32 Buffer32 = 0;
EhciPciMmBase = MmPciAddress (0,
0,
PCI_DEVICE_NUMBER_PCH_USB,
PCI_FUNCTION_NUMBER_PCH_EHCI,
0
);
DEBUG ((EFI_D_INFO, "ConfigureAdditionalPm() EhciPciMmBase = 0x%x \n",EhciPciMmBase));
Buffer32 = MmioRead32(EhciPciMmBase + R_PCH_EHCI_PWR_CNTL_STS);
DEBUG ((EFI_D_INFO, "ConfigureAdditionalPm() R_PCH_EHCI_PWR_CNTL_STS = 0x%x \n",Buffer32));
}
}
#if defined SUPPORT_LVDS_DISPLAY && SUPPORT_LVDS_DISPLAY
#endif
EFI_STATUS
EFIAPI
TristateLpcGpioS0i3Config (
UINT32 Gpio_Mmio_Offset,
UINT32 Gpio_Pin_Num,
CFIO_PNP_INIT* Gpio_Conf_Data
)
{
UINT32 index;
UINT32 mmio_reg;
UINT32 mmio_val;
DEBUG ((DEBUG_INFO, "TristateLpcGpioS0i3Config\n"));
for(index=0; index < Gpio_Pin_Num; index++)
{
mmio_reg = IO_BASE_ADDRESS + Gpio_Mmio_Offset + Gpio_Conf_Data[index].offset;
MmioWrite32(mmio_reg, Gpio_Conf_Data[index].val);
mmio_val = 0;
mmio_val = MmioRead32(mmio_reg);
DEBUG ((EFI_D_INFO, "Set MMIO=0x%08x PAD_VAL = 0x%08x,\n", mmio_reg, mmio_val));
}
return EFI_SUCCESS;
}
EFI_BOOT_SCRIPT_SAVE_PROTOCOL *mBootScriptSave;
/**
Event Notification during exit boot service to enabel ACPI mode
Disable SW SMI Timer, SMI from USB & Intel Specific USB 2
Clear all ACPI event status and disable all ACPI events
Disable PM sources except power button
Clear status bits
Guarantee day-of-month alarm is invalid (ACPI 5.0 Section 4.8.2.4 "Real Time Clock Alarm")
Update EC to disable SMI and enable SCI
Enable SCI
Enable PME_B0_EN in GPE0a_EN
@param Event - EFI Event Handle
@param Context - Pointer to Notify Context
@retval Nothing
**/
VOID
EFIAPI
EnableAcpiCallback (
IN EFI_EVENT Event,
IN VOID *Context
)
{
UINT32 RegData32;
UINT16 Pm1Cnt;
UINT16 AcpiBase;
UINT32 Gpe0aEn;
AcpiBase = MmioRead16 (
PchPciDeviceMmBase (DEFAULT_PCI_BUS_NUMBER_PCH,
PCI_DEVICE_NUMBER_PCH_LPC,
PCI_FUNCTION_NUMBER_PCH_LPC) + R_PCH_LPC_ACPI_BASE
) & B_PCH_LPC_ACPI_BASE_BAR;
DEBUG ((EFI_D_INFO, "EnableAcpiCallback: AcpiBase = %x\n", AcpiBase));
//
// Disable SW SMI Timer, SMI from USB & Intel Specific USB 2
//
RegData32 = IoRead32(AcpiBase + R_PCH_SMI_EN);
RegData32 &= ~(B_PCH_SMI_EN_SWSMI_TMR | B_PCH_SMI_EN_LEGACY_USB2 | B_PCH_SMI_EN_INTEL_USB2);
IoWrite32(AcpiBase + R_PCH_SMI_EN, RegData32);
RegData32 = IoRead32(AcpiBase + R_PCH_SMI_STS);
RegData32 |= B_PCH_SMI_STS_SWSMI_TMR;
IoWrite32(AcpiBase + R_PCH_SMI_STS, RegData32);
//
// Disable PM sources except power button
// power button is enabled only for PCAT. Disabled it on Tablet platform
//
IoWrite16(AcpiBase + R_PCH_ACPI_PM1_EN, B_PCH_ACPI_PM1_EN_PWRBTN);
IoWrite16(AcpiBase + R_PCH_ACPI_PM1_STS, 0xffff);
//
// Guarantee day-of-month alarm is invalid (ACPI 5.0 Section 4.8.2.4 "Real Time Clock Alarm")
// Clear Status D reg VM bit, Date of month Alarm to make Data in CMOS RAM is no longer Valid
//
IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, RTC_ADDRESS_REGISTER_D);
IoWrite8 (PCAT_RTC_DATA_REGISTER, 0x0);
RegData32 = IoRead32(AcpiBase + R_PCH_ALT_GP_SMI_EN);
RegData32 &= ~(BIT7);
IoWrite32((AcpiBase + R_PCH_ALT_GP_SMI_EN), RegData32);
//
// Enable SCI
//
Pm1Cnt = IoRead16(AcpiBase + R_PCH_ACPI_PM1_CNT);
Pm1Cnt |= B_PCH_ACPI_PM1_CNT_SCI_EN;
IoWrite16(AcpiBase + R_PCH_ACPI_PM1_CNT, Pm1Cnt);
IoWrite8(0x80, 0xA0); //SW_SMI_ACPI_ENABLE
//
// Enable PME_B0_EN in GPE0a_EN
// Caution: Enable PME_B0_EN must be placed after enabling SCI.
// Otherwise, USB PME could not be handled as SMI event since no handler is there.
//
Gpe0aEn = IoRead32 (AcpiBase + R_PCH_ACPI_GPE0a_EN);
Gpe0aEn |= B_PCH_ACPI_GPE0a_EN_PME_B0;
IoWrite32(AcpiBase + R_PCH_ACPI_GPE0a_EN, Gpe0aEn);
}
/**
Routine Description:
This is the standard EFI driver point for the Driver. This
driver is responsible for setting up any platform specific policy or
initialization information.
@param ImageHandle Handle for the image of this driver.
@param SystemTable Pointer to the EFI System Table.
@retval EFI_SUCCESS Policy decisions set.
**/
EFI_STATUS
EFIAPI
InitializePlatform (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
UINTN VarSize;
EFI_HANDLE Handle = NULL;
EFI_EVENT mEfiExitBootServicesEvent;
EFI_EVENT RtcEvent;
VOID *RtcCallbackReg = NULL;
mImageHandle = ImageHandle;
Status = gBS->InstallProtocolInterface (
&Handle,
&gEfiSpeakerInterfaceProtocolGuid,
EFI_NATIVE_INTERFACE,
&mSpeakerInterface
);
Status = gBS->LocateProtocol (
&gEfiPciRootBridgeIoProtocolGuid,
NULL,
(VOID **) &mPciRootBridgeIo
);
ASSERT_EFI_ERROR (Status);
VarSize = sizeof(EFI_PLATFORM_INFO_HOB);
Status = gRT->GetVariable(
L"PlatformInfo",
&gEfiVlv2VariableGuid,
NULL,
&VarSize,
&mPlatformInfo
);
//
// Initialize Product Board ID variable
//
InitMfgAndConfigModeStateVar();
InitPlatformBootMode();
//
// Install Observable protocol
//
InitializeObservableProtocol();
Status = SaveSetupRecoveryVar();
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "InitializePlatform() Save SetupRecovery variable failed \n"));
}
VarSize = sizeof(SYSTEM_CONFIGURATION);
Status = gRT->GetVariable(
NORMAL_SETUP_NAME,
&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);
Status = gRT->SetVariable (
NORMAL_SETUP_NAME,
&gEfiNormalSetupGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
sizeof(SYSTEM_CONFIGURATION),
&mSystemConfiguration
);
}
Status = EfiCreateEventReadyToBootEx (
TPL_CALLBACK,
ReadyToBootFunction,
NULL,
&mReadyToBootEvent
);
//
// Create a ReadyToBoot Event to run the PME init process
//
Status = EfiCreateEventReadyToBootEx (
TPL_CALLBACK,
InitPciDevPME,
NULL,
&mReadyToBootEvent
);
//
// Create a ReadyToBoot Event to run enable PR0/PR1 and lock down,unlock variable region
//
if(mSystemConfiguration.SpiRwProtect==1) {
Status = EfiCreateEventReadyToBootEx (
TPL_CALLBACK,
SpiBiosProtectionFunction,
NULL,
&mReadyToBootEvent
);
}
ReportStatusCodeEx (
EFI_PROGRESS_CODE,
EFI_COMPUTING_UNIT_CHIPSET | EFI_CU_PLATFORM_DXE_STEP1,
0,
&gEfiCallerIdGuid,
NULL,
NULL,
0
);
#if defined(SENSOR_INFO_VAR_SUPPORT) && SENSOR_INFO_VAR_SUPPORT != 0
//
// Initialize Sensor Info variable
//
InitializeSensorInfoVariable();
#endif
InitPchPlatformPolicy(&mPlatformInfo);
InitVlvPlatformPolicy();
//
// Add usb policy
//
InitPlatformUsbPolicy();
InitSioPlatformPolicy();
InitializeClockRouting();
InitializeSlotInfo();
InitTcoReset();
//
//Init ExI
//
InitExI();
ReportStatusCodeEx (
EFI_PROGRESS_CODE,
EFI_COMPUTING_UNIT_CHIPSET | EFI_CU_PLATFORM_DXE_STEP2,
0,
&gEfiCallerIdGuid,
NULL,
NULL,
0
);
//
// Install PCI Bus Driver Hook
//
PciBusDriverHook();
InitItk();
ReportStatusCodeEx (
EFI_PROGRESS_CODE,
EFI_COMPUTING_UNIT_CHIPSET | EFI_CU_PLATFORM_DXE_STEP3,
0,
&gEfiCallerIdGuid,
NULL,
NULL,
0
);
//
// Initialize Password States and Callbacks
//
PchInitBeforeBoot();
#if defined SUPPORT_LVDS_DISPLAY && SUPPORT_LVDS_DISPLAY
#endif
#if defined(FIRMWARE_ID_BACKWARD_COMPATIBLE) && (FIRMWARE_ID_BACKWARD_COMPATIBLE != 0)
//
// Re-write Firmware ID if it is changed
//
InitFirmwareId();
#endif
ReportStatusCodeEx (
EFI_PROGRESS_CODE,
EFI_COMPUTING_UNIT_CHIPSET | EFI_CU_PLATFORM_DXE_STEP4,
0,
&gEfiCallerIdGuid,
NULL,
NULL,
0
);
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
EnableAcpiCallback,
NULL,
&gEfiEventExitBootServicesGuid,
&mEfiExitBootServicesEvent
);
//
// Adjust RTC deafult time to be BIOS-built time.
//
Status = gBS->CreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_CALLBACK,
AdjustDefaultRtcTimeCallback,
NULL,
&RtcEvent
);
if (!EFI_ERROR (Status)) {
Status = gBS->RegisterProtocolNotify (
&gExitPmAuthProtocolGuid,
RtcEvent,
&RtcCallbackReg
);
}
return EFI_SUCCESS;
}
/**
Source Or Destination with Length bytes.
@param[in] Destination Target memory
@param[in] Source Source memory
@param[in] Length Number of bytes
@retval None
**/
VOID
EfiOrMem (
IN VOID *Destination,
IN VOID *Source,
IN UINTN Length
)
{
CHAR8 *Destination8;
CHAR8 *Source8;
if (Source < Destination) {
Destination8 = (CHAR8 *) Destination + Length - 1;
Source8 = (CHAR8 *) Source + Length - 1;
while (Length--) {
*(Destination8--) |= *(Source8--);
}
} else {
Destination8 = (CHAR8 *) Destination;
Source8 = (CHAR8 *) Source;
while (Length--) {
*(Destination8++) |= *(Source8++);
}
}
}
VOID
PchInitBeforeBoot()
{
//
// Saved SPI Opcode menu to fix EFI variable unable to write after S3 resume.
//
S3BootScriptSaveMemWrite (
EfiBootScriptWidthUint32,
(UINTN)(SPI_BASE_ADDRESS + (R_PCH_SPI_OPMENU0)),
1,
(VOID *)(UINTN)(SPI_BASE_ADDRESS + (R_PCH_SPI_OPMENU0)));
S3BootScriptSaveMemWrite (
EfiBootScriptWidthUint32,
(UINTN)(SPI_BASE_ADDRESS + (R_PCH_SPI_OPMENU1)),
1,
(VOID *)(UINTN)(SPI_BASE_ADDRESS + (R_PCH_SPI_OPMENU1)));
S3BootScriptSaveMemWrite (
EfiBootScriptWidthUint16,
(UINTN)(SPI_BASE_ADDRESS + R_PCH_SPI_OPTYPE),
1,
(VOID *)(UINTN)(SPI_BASE_ADDRESS + R_PCH_SPI_OPTYPE));
S3BootScriptSaveMemWrite (
EfiBootScriptWidthUint16,
(UINTN)(SPI_BASE_ADDRESS + R_PCH_SPI_PREOP),
1,
(VOID *)(UINTN)(SPI_BASE_ADDRESS + R_PCH_SPI_PREOP));
//
// Saved MTPMC_1 for S3 resume.
//
S3BootScriptSaveMemWrite (
EfiBootScriptWidthUint32,
(UINTN)(PMC_BASE_ADDRESS + R_PCH_PMC_MTPMC1),
1,
(VOID *)(UINTN)(PMC_BASE_ADDRESS + R_PCH_PMC_MTPMC1));
return;
}
VOID
EFIAPI
ReadyToBootFunction (
EFI_EVENT Event,
VOID *Context
)
{
EFI_STATUS Status;
EFI_ISA_ACPI_PROTOCOL *IsaAcpi;
EFI_ISA_ACPI_DEVICE_ID IsaDevice;
UINTN Size;
UINT16 State;
EFI_TPM_MP_DRIVER_PROTOCOL *TpmMpDriver;
EFI_CPU_IO_PROTOCOL *CpuIo;
UINT8 Data;
UINT8 ReceiveBuffer [64];
UINT32 ReceiveBufferSize;
UINT8 TpmForceClearCommand [] = {0x00, 0xC1,
0x00, 0x00, 0x00, 0x0A,
0x00, 0x00, 0x00, 0x5D};
UINT8 TpmPhysicalPresenceCommand [] = {0x00, 0xC1,
0x00, 0x00, 0x00, 0x0C,
0x40, 0x00, 0x00, 0x0A,
0x00, 0x00};
UINT8 TpmPhysicalDisableCommand [] = {0x00, 0xC1,
0x00, 0x00, 0x00, 0x0A,
0x00, 0x00, 0x00, 0x70};
UINT8 TpmPhysicalEnableCommand [] = {0x00, 0xC1,
0x00, 0x00, 0x00, 0x0A,
0x00, 0x00, 0x00, 0x6F};
UINT8 TpmPhysicalSetDeactivatedCommand [] = {0x00, 0xC1,
0x00, 0x00, 0x00, 0x0B,
0x00, 0x00, 0x00, 0x72,
0x00};
UINT8 TpmSetOwnerInstallCommand [] = {0x00, 0xC1,
0x00, 0x00, 0x00, 0x0B,
0x00, 0x00, 0x00, 0x71,
0x00};
Size = sizeof(UINT16);
Status = gRT->GetVariable (
VAR_EQ_FLOPPY_MODE_DECIMAL_NAME,
&gEfiNormalSetupGuid,
NULL,
&Size,
&State
);
//
// Disable Floppy Controller if needed
//
Status = gBS->LocateProtocol (&gEfiIsaAcpiProtocolGuid, NULL, (VOID **) &IsaAcpi);
if (!EFI_ERROR(Status) && (State == 0x00)) {
IsaDevice.HID = EISA_PNP_ID(0x604);
IsaDevice.UID = 0;
Status = IsaAcpi->EnableDevice(IsaAcpi, &IsaDevice, FALSE);
}
//
// save LAN info to a variable
//
if (NULL != mPciLanInfo) {
gRT->SetVariable (
L"PciLanInfo",
&gEfiPciLanInfoGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
mPciLanCount * sizeof(PCI_LAN_INFO),
mPciLanInfo
);
}
if (NULL != mPciLanInfo) {
gBS->FreePool (mPciLanInfo);
mPciLanInfo = NULL;
}
//
// Handle ACPI OS TPM requests here
//
Status = gBS->LocateProtocol (
&gEfiCpuIoProtocolGuid,
NULL,
(VOID **)&CpuIo
);
Status = gBS->LocateProtocol (
&gEfiTpmMpDriverProtocolGuid,
NULL,
(VOID **)&TpmMpDriver
);
if (!EFI_ERROR (Status))
{
Data = ReadCmosBank1Byte (CpuIo, ACPI_TPM_REQUEST);
//
// Clear pending ACPI TPM request indicator
//
WriteCmosBank1Byte (CpuIo, ACPI_TPM_REQUEST, 0x00);
if (Data != 0)
{
WriteCmosBank1Byte (CpuIo, ACPI_TPM_LAST_REQUEST, Data);
//
// Assert Physical Presence for these commands
//
TpmPhysicalPresenceCommand [11] = 0x20;
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver, TpmPhysicalPresenceCommand,
sizeof (TpmPhysicalPresenceCommand),
ReceiveBuffer, &ReceiveBufferSize
);
//
// PF PhysicalPresence = TRUE
//
TpmPhysicalPresenceCommand [11] = 0x08;
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver, TpmPhysicalPresenceCommand,
sizeof (TpmPhysicalPresenceCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
if (Data == 0x01)
{
//
// TPM_PhysicalEnable
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver, TpmPhysicalEnableCommand,
sizeof (TpmPhysicalEnableCommand),
ReceiveBuffer, &ReceiveBufferSize
);
}
if (Data == 0x02)
{
//
// TPM_PhysicalDisable
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver, TpmPhysicalDisableCommand,
sizeof (TpmPhysicalDisableCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
}
if (Data == 0x03)
{
//
// TPM_PhysicalSetDeactivated=FALSE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmPhysicalSetDeactivatedCommand [10] = 0x00;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalSetDeactivatedCommand,
sizeof (TpmPhysicalSetDeactivatedCommand),
ReceiveBuffer, &ReceiveBufferSize
);
gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
}
if (Data == 0x04)
{
//
// TPM_PhysicalSetDeactivated=TRUE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmPhysicalSetDeactivatedCommand [10] = 0x01;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalSetDeactivatedCommand,
sizeof (TpmPhysicalSetDeactivatedCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
gRT->ResetSystem (
EfiResetWarm,
EFI_SUCCESS,
0,
NULL
);
}
if (Data == 0x05)
{
//
// TPM_ForceClear
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmForceClearCommand,
sizeof (TpmForceClearCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
gRT->ResetSystem (
EfiResetWarm,
EFI_SUCCESS,
0,
NULL
);
}
if (Data == 0x06)
{
//
// TPM_PhysicalEnable
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalEnableCommand,
sizeof (TpmPhysicalEnableCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
//
// TPM_PhysicalSetDeactivated=FALSE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmPhysicalSetDeactivatedCommand [10] = 0x00;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalSetDeactivatedCommand,
sizeof (TpmPhysicalSetDeactivatedCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
gRT->ResetSystem (
EfiResetWarm,
EFI_SUCCESS,
0,
NULL
);
}
if (Data == 0x07)
{
//
// TPM_PhysicalSetDeactivated=TRUE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmPhysicalSetDeactivatedCommand [10] = 0x01;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalSetDeactivatedCommand,
sizeof (TpmPhysicalSetDeactivatedCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
//
// TPM_PhysicalDisable
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalDisableCommand,
sizeof (TpmPhysicalDisableCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
gRT->ResetSystem (
EfiResetWarm,
EFI_SUCCESS,
0,
NULL
);
}
if (Data == 0x08)
{
//
// TPM_SetOwnerInstall=TRUE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmSetOwnerInstallCommand [10] = 0x01;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmSetOwnerInstallCommand,
sizeof (TpmSetOwnerInstallCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
}
if (Data == 0x09)
{
//
// TPM_SetOwnerInstall=FALSE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmSetOwnerInstallCommand [10] = 0x00;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmSetOwnerInstallCommand,
sizeof (TpmSetOwnerInstallCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
}
if (Data == 0x0A)
{
//
// TPM_PhysicalEnable
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalEnableCommand,
sizeof (TpmPhysicalEnableCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
//
// TPM_PhysicalSetDeactivated=FALSE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmPhysicalSetDeactivatedCommand [10] = 0x00;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalSetDeactivatedCommand,
sizeof (TpmPhysicalSetDeactivatedCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
//
// Do TPM_SetOwnerInstall=TRUE on next reboot
//
WriteCmosBank1Byte (CpuIo, ACPI_TPM_REQUEST, 0xF0);
gRT->ResetSystem (
EfiResetWarm,
EFI_SUCCESS,
0,
NULL
);
}
if (Data == 0x0B)
{
//
// TPM_SetOwnerInstall=FALSE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmSetOwnerInstallCommand [10] = 0x00;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmSetOwnerInstallCommand,
sizeof (TpmSetOwnerInstallCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
//
// TPM_PhysicalSetDeactivated=TRUE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmPhysicalSetDeactivatedCommand [10] = 0x01;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalSetDeactivatedCommand,
sizeof (TpmPhysicalSetDeactivatedCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
//
// TPM_PhysicalDisable
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalDisableCommand,
sizeof (TpmPhysicalDisableCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
gRT->ResetSystem (
EfiResetWarm,
EFI_SUCCESS,
0,
NULL
);
}
if (Data == 0x0E)
{
//
// TPM_ForceClear
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmForceClearCommand,
sizeof (TpmForceClearCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
//
// TPM_PhysicalEnable
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalEnableCommand,
sizeof (TpmPhysicalEnableCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
//
// TPM_PhysicalSetDeactivated=FALSE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmPhysicalSetDeactivatedCommand [10] = 0x00;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalSetDeactivatedCommand,
sizeof (TpmPhysicalSetDeactivatedCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
gRT->ResetSystem (
EfiResetWarm,
EFI_SUCCESS,
0,
NULL
);
}
if (Data == 0xF0)
{
//
// Second part of ACPI TPM request 0x0A: OEM custom TPM_SetOwnerInstall=TRUE
//
ReceiveBufferSize = sizeof(ReceiveBuffer);
TpmSetOwnerInstallCommand [10] = 0x01;
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmSetOwnerInstallCommand,
sizeof (TpmSetOwnerInstallCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
WriteCmosBank1Byte (CpuIo, ACPI_TPM_LAST_REQUEST, 0x0A);
}
//
// Deassert Physical Presence
//
TpmPhysicalPresenceCommand [11] = 0x10;
ReceiveBufferSize = sizeof(ReceiveBuffer);
Status = TpmMpDriver->Transmit (
TpmMpDriver,
TpmPhysicalPresenceCommand,
sizeof (TpmPhysicalPresenceCommand),
ReceiveBuffer,
&ReceiveBufferSize
);
}
}
return;
}
/**
Initializes manufacturing and config mode setting.
**/
VOID
InitMfgAndConfigModeStateVar()
{
EFI_PLATFORM_SETUP_ID *BootModeBuffer;
VOID *HobList;
HobList = GetFirstGuidHob(&gEfiPlatformBootModeGuid);
if (HobList != NULL) {
BootModeBuffer = GET_GUID_HOB_DATA (HobList);
//
// Check if in Manufacturing mode
//
if ( !CompareMem (
&BootModeBuffer->SetupName,
MANUFACTURE_SETUP_NAME,
StrSize (MANUFACTURE_SETUP_NAME)
) ) {
mMfgMode = TRUE;
}
}
}
/**
Initializes manufacturing and config mode setting.
**/
VOID
InitPlatformBootMode()
{
EFI_PLATFORM_SETUP_ID *BootModeBuffer;
VOID *HobList;
HobList = GetFirstGuidHob(&gEfiPlatformBootModeGuid);
if (HobList != NULL) {
BootModeBuffer = GET_GUID_HOB_DATA (HobList);
mPlatformBootMode = BootModeBuffer->PlatformBootMode;
}
}
/**
Initializes ITK.
**/
VOID
InitItk(
)
{
EFI_STATUS Status;
UINT16 ItkModBiosState;
UINT8 Value;
UINTN DataSize;
UINT32 Attributes;
//
// Setup local variable according to ITK variable
//
//
// Read ItkBiosModVar to determine if BIOS has been modified by ITK
// If ItkBiosModVar = 0 or if variable hasn't been initialized then BIOS has not been modified by ITK modified
// Set local variable VAR_EQ_ITK_BIOS_MOD_DECIMAL_NAME=0 if BIOS has not been modified by ITK
//
DataSize = sizeof (Value);
Status = gRT->GetVariable (
ITK_BIOS_MOD_VAR_NAME,
&gItkDataVarGuid,
&Attributes,
&DataSize,
&Value
);
if (Status == EFI_NOT_FOUND) {
//
// Variable not found, hasn't been initialized, intialize to 0
//
Value=0x00;
//
// Write variable to flash.
//
gRT->SetVariable (
ITK_BIOS_MOD_VAR_NAME,
&gItkDataVarGuid,
EFI_VARIABLE_RUNTIME_ACCESS |
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS,
sizeof (Value),
&Value
);
}
if ( (!EFI_ERROR (Status)) || (Status == EFI_NOT_FOUND) ) {
if (Value == 0x00) {
ItkModBiosState = 0x00;
} else {
ItkModBiosState = 0x01;
}
gRT->SetVariable (
VAR_EQ_ITK_BIOS_MOD_DECIMAL_NAME,
&gEfiNormalSetupGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS,
2,
(void *)&ItkModBiosState
);
}
}
#if defined(FIRMWARE_ID_BACKWARD_COMPATIBLE) && (FIRMWARE_ID_BACKWARD_COMPATIBLE != 0)
/**
Initializes the BIOS FIRMWARE ID from the FIRMWARE_ID build variable.
**/
STATIC
VOID
InitFirmwareId(
)
{
EFI_STATUS Status;
CHAR16 FirmwareIdNameWithPassword[] = FIRMWARE_ID_NAME_WITH_PASSWORD;
//
// First try writing the variable without a password in case we are
// upgrading from a BIOS without password protection on the FirmwareId
//
Status = gRT->SetVariable(
(CHAR16 *)&gFirmwareIdName,
&gFirmwareIdGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
sizeof( FIRMWARE_ID ) - 1,
FIRMWARE_ID
);
if (Status == EFI_INVALID_PARAMETER) {
//
// Since setting the firmware id without the password failed,
// a password must be required.
//
Status = gRT->SetVariable(
(CHAR16 *)&FirmwareIdNameWithPassword,
&gFirmwareIdGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
sizeof( FIRMWARE_ID ) - 1,
FIRMWARE_ID
);
}
}
#endif
VOID
UpdateDVMTSetup(
)
{
//
// Workaround to support IIA bug.
// IIA request to change option value to 4, 5 and 7 relatively
// instead of 1, 2, and 3 which follow Lakeport Specs.
// Check option value, temporary hardcode GraphicsDriverMemorySize
// Option value to fulfill IIA requirment. So that user no need to
// load default and update setupvariable after update BIOS.
// Option value hardcoded as: 1 to 4, 2 to 5, 3 to 7.
// *This is for broadwater and above product only.
//
SYSTEM_CONFIGURATION SystemConfiguration;
UINTN VarSize;
EFI_STATUS Status;
VarSize = sizeof(SYSTEM_CONFIGURATION);
Status = gRT->GetVariable(
NORMAL_SETUP_NAME,
&gEfiNormalSetupGuid,
NULL,
&VarSize,
&SystemConfiguration
);
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,
&SystemConfiguration
);
ASSERT_EFI_ERROR (Status);
}
if((SystemConfiguration.GraphicsDriverMemorySize < 4) && !EFI_ERROR(Status) ) {
switch (SystemConfiguration.GraphicsDriverMemorySize){
case 1:
SystemConfiguration.GraphicsDriverMemorySize = 4;
break;
case 2:
SystemConfiguration.GraphicsDriverMemorySize = 5;
break;
case 3:
SystemConfiguration.GraphicsDriverMemorySize = 7;
break;
default:
break;
}
Status = gRT->SetVariable (
NORMAL_SETUP_NAME,
&gEfiNormalSetupGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
sizeof(SYSTEM_CONFIGURATION),
&SystemConfiguration
);
}
}
VOID
InitPlatformUsbPolicy (
VOID
)
{
EFI_HANDLE Handle;
EFI_STATUS Status;
Handle = NULL;
mUsbPolicyData.Version = (UINT8)USB_POLICY_PROTOCOL_REVISION_2;
mUsbPolicyData.UsbMassStorageEmulationType = mSystemConfiguration.UsbBIOSINT13DeviceEmulation;
if(mUsbPolicyData.UsbMassStorageEmulationType == 3) {
mUsbPolicyData.UsbEmulationSize = mSystemConfiguration.UsbBIOSINT13DeviceEmulationSize;
} else {
mUsbPolicyData.UsbEmulationSize = 0;
}
mUsbPolicyData.UsbZipEmulationType = mSystemConfiguration.UsbZipEmulation;
mUsbPolicyData.UsbOperationMode = HIGH_SPEED;
//
// Some chipset need Period smi, 0 = LEGACY_PERIOD_UN_SUPP
//
mUsbPolicyData.USBPeriodSupport = LEGACY_PERIOD_UN_SUPP;
//
// Some platform need legacyfree, 0 = LEGACY_FREE_UN_SUPP
//
mUsbPolicyData.LegacyFreeSupport = LEGACY_FREE_UN_SUPP;
//
// Set Code base , TIANO_CODE_BASE =0x01, ICBD =0x00
//
mUsbPolicyData.CodeBase = (UINT8)ICBD_CODE_BASE;
//
// Some chispet 's LpcAcpibase are diffrent,set by platform or chipset,
// default is Ich acpibase =0x040. acpitimerreg=0x08.
mUsbPolicyData.LpcAcpiBase = 0x40;
mUsbPolicyData.AcpiTimerReg = 0x08;
//
// Set for reduce usb post time
//
mUsbPolicyData.UsbTimeTue = 0x00;
mUsbPolicyData.InternelHubExist = 0x00; //TigerPoint doesn't have RMH
mUsbPolicyData.EnumWaitPortStableStall = 100;
Status = gBS->InstallProtocolInterface (
&Handle,
&gUsbPolicyGuid,
EFI_NATIVE_INTERFACE,
&mUsbPolicyData
);
ASSERT_EFI_ERROR(Status);
}
UINT8
ReadCmosBank1Byte (
IN EFI_CPU_IO_PROTOCOL *CpuIo,
IN UINT8 Index
)
{
UINT8 Data;
CpuIo->Io.Write (CpuIo, EfiCpuIoWidthUint8, 0x72, 1, &Index);
CpuIo->Io.Read (CpuIo, EfiCpuIoWidthUint8, 0x73, 1, &Data);
return Data;
}
VOID
WriteCmosBank1Byte (
IN EFI_CPU_IO_PROTOCOL *CpuIo,
IN UINT8 Index,
IN UINT8 Data
)
{
CpuIo->Io.Write (
CpuIo,
EfiCpuIoWidthUint8,
0x72,
1,
&Index
);
CpuIo->Io.Write (
CpuIo,
EfiCpuIoWidthUint8,
0x73,
1,
&Data
);
}
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