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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
//*************************************************************************
// $Header: /Alaska/BIN/Chipset/Intel/SouthBridge/LynxPoint/Intel Pch SB Chipset/SleepSmi/SleepSmi.c 4 9/26/12 3:59a Victortu $
//
// $Revision: 4 $
//
// $Date: 9/26/12 3:59a $
//*************************************************************************
// Revision History
// ----------------
// $Log: /Alaska/BIN/Chipset/Intel/SouthBridge/LynxPoint/Intel Pch SB Chipset/SleepSmi/SleepSmi.c $
//
// 4 9/26/12 3:59a Victortu
// [TAG] None
// [Category] Improvement
// [Description] Update for PCH LP GPIO compatible.
// [Files] SB.sdl, SB.H, AcpiModeEnable.c, AcpiModeEnable.sdl,
// SBDxe.c, SBGeneric.c, SBPEI.c, SBSMI.c, SleepSmi.c,
// SmiHandlerPorting.c, SmiHandlerPorting2.c
//
// 3 7/27/12 6:17a Victortu
// [TAG] None
// [Category] Improvement
// [Description] Update to support ULT Platform.
// [Files] SB.H, SB.mak, SB.sdl, SB.sd, SBSetup.c,
// AcpiModeEnable.c, SBDxe.c, SBPEI.c, SBSMI.c, SleepSmi.c,
// SmiHandlerPorting.c, SmiHandlerPorting2.c, SBPPI.h, Pch.sdl
//
// 2 6/13/12 11:29p Victortu
// [TAG] None
// [Category] Improvement
// [Description] Program AfterG3 bit depend the setup question in
// S3/S4/S5.
// [Files] SleepSmi.c
//
// 1 2/08/12 8:30a Yurenlai
// Intel Lynx Point/SB eChipset initially releases.
//
//*************************************************************************
//<AMI_FHDR_START>
//
// Name: SleepSmi.C
//
// Description: Provide functions to register and handle Sleep SMI
// functionality.
//
//<AMI_FHDR_END>
//*************************************************************************
//---------------------------------------------------------------------------
// Include(s)
//---------------------------------------------------------------------------
#include <Token.h>
#include <Setup.h>
#include <AmiDxeLib.h>
#include <AmiCspLib.h>
#if defined(PI_SPECIFICATION_VERSION)&&(PI_SPECIFICATION_VERSION>=0x0001000A)&&(CORE_COMBINED_VERSION >= 0x4028B)
#include <Protocol\SmmBase2.h>
#include <Protocol\SmmSxDispatch2.h>
#else
#include <Protocol\SmmBase.h>
#include <Protocol\SmmSxDispatch.h>
#endif
#include <PchAccess.h>
//---------------------------------------------------------------------------
// Constant, Macro and Type Definition(s)
//---------------------------------------------------------------------------
// Constant Definition(s)
#if defined(PI_SPECIFICATION_VERSION)&&(PI_SPECIFICATION_VERSION>=0x0001000A)&&(CORE_COMBINED_VERSION >= 0x4028B)
#define AMI_SMM_SX_DISPATCH_PROTOCOL EFI_SMM_SX_DISPATCH2_PROTOCOL
#define AMI_SMM_SX_DISPATCH_CONTEXT EFI_SMM_SX_REGISTER_CONTEXT
#define SMM_CHILD_DISPATCH_SUCCESS EFI_SUCCESS
#else
#define AMI_SMM_SX_DISPATCH_PROTOCOL EFI_SMM_SX_DISPATCH_PROTOCOL
#define AMI_SMM_SX_DISPATCH_CONTEXT EFI_SMM_SX_DISPATCH_CONTEXT
#define SMM_CHILD_DISPATCH_SUCCESS
#endif
// Macro Definition(s)
// Type Definition(s)
// Function Prototype(s)
//---------------------------------------------------------------------------
// Variable and External Declaration(s)
//---------------------------------------------------------------------------
// Variable Declaration(s)
BOOLEAN gIsLastState = FALSE;
BOOLEAN gPchWakeOnLan = FALSE;
#if defined(PI_SPECIFICATION_VERSION)&&(PI_SPECIFICATION_VERSION>=0x0001000A)&&(CORE_COMBINED_VERSION >= 0x4028B)
EFI_SMM_BASE2_PROTOCOL *gSmmBase2;
#endif
// GUID Definition(s)
EFI_GUID gThisFileGuid = \
{0x6298fe18, 0xd5ef, 0x42b7, 0xbb, 0xc, 0x29, 0x53, 0x28, 0x3f, 0x57, 0x4};
// {6298FE18-D5EF-42b7-BB0C-2953283F5704}
// Protocol Definition(s)
// External Declaration(s)
// Function Definition(s)
//---------------------------------------------------------------------------
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
//
// Procedure: ProgramAfterG3Bit
//
// Description: This function will set AfterG3 bit depend the setup question.
//
// Input: None
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID ProgramAfterG3Bit(VOID)
{
if (gIsLastState) SET_PCI8_SB(SB_REG_GEN_PMCON_3, 1); // 0xA4
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
//
// Procedure: S1SleepSmiOccurred
//
// Description: This function will be called by EfiSmmSxDispatch when a Sleep
// SMI occurs and the sleep state is S1.
//
// Input: DispatchHandle - SMI dispatcher handle
// *DispatchContext - Pointer to the dispatch context
//
// Output: Nothing
//
// Notes: This function does not need to put the system to sleep. This is
// handled by PutToSleep.
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
#if defined(PI_SPECIFICATION_VERSION)&&(PI_SPECIFICATION_VERSION>=0x0001000A)&&(CORE_COMBINED_VERSION >= 0x4028B)
EFI_STATUS S1SleepSmiOccurred (
IN EFI_HANDLE DispatchHandle,
IN CONST VOID *DispatchContext OPTIONAL,
IN OUT VOID *CommBuffer OPTIONAL,
IN OUT UINTN *CommBufferSize OPTIONAL )
#else
VOID S1SleepSmiOccurred (
IN EFI_HANDLE DispatchHandle,
IN EFI_SMM_SX_DISPATCH_CONTEXT *DispatchContext )
#endif
{
// Porting required if any workaround is needed.
EnablePs2KeyboardMousePme();
return SMM_CHILD_DISPATCH_SUCCESS;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
//
// Procedure: S3SleepSmiOccurred
//
// Description: This function will be called by EfiSmmSxDispatch when a Sleep
// SMI occurs and the sleep state is S3.
//
// Input: DispatchHandle - SMI dispatcher handle
// *DispatchContext - Pointer to the dispatch context
//
// Output: Nothing
//
// Notes: This function does not need to put the system to sleep. This is
// handled by PutToSleep.
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
#if defined(PI_SPECIFICATION_VERSION)&&(PI_SPECIFICATION_VERSION>=0x0001000A)&&(CORE_COMBINED_VERSION >= 0x4028B)
EFI_STATUS S3SleepSmiOccurred (
IN EFI_HANDLE DispatchHandle,
IN CONST VOID *DispatchContext OPTIONAL,
IN OUT VOID *CommBuffer OPTIONAL,
IN OUT UINTN *CommBufferSize OPTIONAL )
#else
VOID S3SleepSmiOccurred (
IN EFI_HANDLE DispatchHandle,
IN EFI_SMM_SX_DISPATCH_CONTEXT *DispatchContext )
#endif
{
BOOLEAN IsGpioLocked;
UINT16 LpcDeviceId;
LpcDeviceId = READ_PCI16_SB(R_PCH_LPC_DEVICE_ID);
IsGpioLocked = (READ_PCI8_SB(SB_REG_GC) & BIT00)? TRUE:FALSE;
if (IS_PCH_LPT_LPC_DEVICE_ID_MOBILE (LpcDeviceId)) {
// Reset GPIO Lockdown Enable (GLE)
if (IsGpioLocked)
RESET_PCI8_SB(SB_REG_GC, BIT00);
// Set GPIO 60 to low (S3 power)
if (GetPchSeries() == PchLp) {
RESET_IO32( GPIO_BASE_ADDRESS + (GP_IOREG_GP_GPN_CFG1 + GP_GPIO_CONFIG_SIZE*60), ~BIT31); // 0x38
} else {
RESET_IO32( GPIO_BASE_ADDRESS + GP_IOREG_GP_LVL2, ~0xEFFFFFFF); // 0x38
}
// Set GPIO Lockdown Enable (GLE)
if (IsGpioLocked)
SET_PCI8_SB(SB_REG_GC, BIT00);
}
ProgramAfterG3Bit();
EnablePs2KeyboardMousePme();
return SMM_CHILD_DISPATCH_SUCCESS;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
//
// Procedure: S4SleepSmiOccurred
//
// Description: This function will be called by EfiSmmSxDispatch when a Sleep
// SMI occurs and the sleep state is S4.
//
// Input: DispatchHandle - SMI dispatcher handle
// *DispatchContext - Pointer to the dispatch context
//
// Output: Nothing
//
// Notes: This function does not need to put the system to sleep. This is
// handled by PutToSleep.
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
#if defined(PI_SPECIFICATION_VERSION)&&(PI_SPECIFICATION_VERSION>=0x0001000A)&&(CORE_COMBINED_VERSION >= 0x4028B)
EFI_STATUS S4SleepSmiOccurred (
IN EFI_HANDLE DispatchHandle,
IN CONST VOID *DispatchContext OPTIONAL,
IN OUT VOID *CommBuffer OPTIONAL,
IN OUT UINTN *CommBufferSize OPTIONAL )
#else
VOID S4SleepSmiOccurred (
IN EFI_HANDLE DispatchHandle,
IN EFI_SMM_SX_DISPATCH_CONTEXT *DispatchContext )
#endif
{
ClearMeWakeSts();
ProgramAfterG3Bit();
EnablePs2KeyboardMousePme();
return SMM_CHILD_DISPATCH_SUCCESS;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
//
// Procedure: S5SleepSmiOccurred
//
// Description: This function will be called by EfiSmmSxDispatch when a Sleep
// SMI occurs and the sleep state is S1.
//
// Input: DispatchHandle - SMI dispatcher handle
// *DispatchContext - Pointer to the dispatch context
//
// Output: Nothing
//
// Notes: This function does not need to put the system to sleep. This is
// handled by PutToSleep.
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
#if defined(PI_SPECIFICATION_VERSION)&&(PI_SPECIFICATION_VERSION>=0x0001000A)&&(CORE_COMBINED_VERSION >= 0x4028B)
EFI_STATUS S5SleepSmiOccurred (
IN EFI_HANDLE DispatchHandle,
IN CONST VOID *DispatchContext OPTIONAL,
IN OUT VOID *CommBuffer OPTIONAL,
IN OUT UINTN *CommBufferSize OPTIONAL )
#else
VOID S5SleepSmiOccurred (
IN EFI_HANDLE DispatchHandle,
IN EFI_SMM_SX_DISPATCH_CONTEXT *DispatchContext )
#endif
{
ClearMeWakeSts();
SBLib_BeforeShutdown();
if (gPchWakeOnLan) Enable_GbE_PME();
// Program AfterG3 bit depend the setup question.
ProgramAfterG3Bit();
return SMM_CHILD_DISPATCH_SUCCESS;
}
//----------------------------------------------------------------------------
//
// Procedure: InSmmFunction
//
// Description: Install Sleep SMI Handlers for south bridge.
//
// Input: ImageHandle - Image handle
// *SystemTable - Pointer to the system table
//
// Output: EFI_STATUS
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS InSmmFunction (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable )
{
EFI_STATUS Status;
EFI_HANDLE hS1Smi;
EFI_HANDLE hS3Smi;
EFI_HANDLE hS4Smi;
EFI_HANDLE hS5Smi;
AMI_SMM_SX_DISPATCH_PROTOCOL *SxDispatch;
AMI_SMM_SX_DISPATCH_CONTEXT S1DispatchContext = {SxS1, SxEntry};
AMI_SMM_SX_DISPATCH_CONTEXT S3DispatchContext = {SxS3, SxEntry};
AMI_SMM_SX_DISPATCH_CONTEXT S4DispatchContext = {SxS4, SxEntry};
AMI_SMM_SX_DISPATCH_CONTEXT S5DispatchContext = {SxS5, SxEntry};
#if defined(PI_SPECIFICATION_VERSION)&&(PI_SPECIFICATION_VERSION>=0x0001000A)&&(CORE_COMBINED_VERSION >= 0x4028B)
EFI_SMM_SYSTEM_TABLE2 *pSmst2;
#endif
#if defined(PI_SPECIFICATION_VERSION)&&(PI_SPECIFICATION_VERSION>=0x0001000A)&&(CORE_COMBINED_VERSION >= 0x4028B)
Status = InitAmiSmmLib( ImageHandle, SystemTable );
if (EFI_ERROR(Status)) return Status;
// We are in SMM, retrieve the pointer to SMM System Table
Status = gSmmBase2->GetSmstLocation( gSmmBase2, &pSmst2);
if (EFI_ERROR(Status)) return EFI_UNSUPPORTED;
Status = pSmst2->SmmLocateProtocol( &gEfiSmmSxDispatch2ProtocolGuid , \
NULL, \
&SxDispatch );
TRACE((TRACE_ALWAYS, "Smm Locate Protocol gEfiSmmSxDispatch2ProtocolGuid, Status = %r\n",Status));
#else
Status = pBS->LocateProtocol( &gEfiSmmSxDispatchProtocolGuid , \
NULL, \
&SxDispatch );
#endif
if (EFI_ERROR(Status)) return Status;
// Register Sleep SMI Handlers
Status = SxDispatch->Register( SxDispatch, \
S1SleepSmiOccurred, \
&S1DispatchContext, \
&hS1Smi );
if (EFI_ERROR(Status)) return Status;
Status = SxDispatch->Register( SxDispatch, \
S3SleepSmiOccurred, \
&S3DispatchContext, \
&hS3Smi );
if (EFI_ERROR(Status)) return Status;
Status = SxDispatch->Register( SxDispatch, \
S4SleepSmiOccurred, \
&S4DispatchContext, \
&hS4Smi );
if (EFI_ERROR(Status)) return Status;
Status = SxDispatch->Register( SxDispatch, \
S5SleepSmiOccurred, \
&S5DispatchContext, \
&hS5Smi );
return Status;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
//
// Procedure: InitSleepSmi
//
// Description: This function Registers Sleep SMI functionality.
//
// Input: ImageHandle - Handle for this FFS image
// *SystemTable- Pointer to the system table
//
// Output: EFI_STATUS
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS InitSleepSmi (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable )
{
EFI_STATUS Status;
SB_SETUP_DATA *SbSetupData = NULL;
UINTN VariableSize = sizeof(SB_SETUP_DATA);
InitAmiLib( ImageHandle, SystemTable );
#if defined(PI_SPECIFICATION_VERSION)&&(PI_SPECIFICATION_VERSION>=0x0001000A)&&(CORE_COMBINED_VERSION >= 0x4028B)
Status = SystemTable->BootServices->LocateProtocol( \
&gEfiSmmBase2ProtocolGuid, \
NULL, \
&gSmmBase2 );
ASSERT_EFI_ERROR(Status);
#endif
// Porting Required
// Put the Setup Vairable to SMM if needed.
Status = pBS->AllocatePool( EfiBootServicesData, \
VariableSize, \
&SbSetupData );
ASSERT_EFI_ERROR(Status);
GetSbSetupData( pRS, SbSetupData, FALSE );
gIsLastState = (SbSetupData->LastState == 2) ? TRUE : FALSE;
gPchWakeOnLan = (SbSetupData->PchWakeOnLan == 1) ? TRUE : FALSE;
Status = pBS->FreePool( SbSetupData );
// Porting End
return InitSmmHandler( ImageHandle, SystemTable, InSmmFunction, NULL );
}
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
|
