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/*++
This file contains a 'Sample Driver' and is licensed as such
under the terms of your license agreement with Intel or your
vendor. This file may be modified by the user, subject to
the additional terms of the license agreement
--*/
/*++
Copyright (c) 1999 - 2010 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
Module Name:
MePeiPolicyInit.c
Abstract:
This file is SampleCode for Intel ME PEI Platform Policy initialzation.
--*/
#include <Token.h>
#include "MePeiPolicyInit.h"
#include <Ppi\PchPlatformPolicy\PchPlatformPolicy.h>
#include <SetupDataDefinition.h>
#define SETUP_GUID { 0xEC87D643, 0xEBA4, 0x4BB5, 0xA1, 0xE5, 0x3F, 0x3E, 0x36, 0xB2, 0x0D, 0xA9 }
static EFI_GUID gSetupGuid = SETUP_GUID;
//
// Function implementations
//
VOID
PrepareThermalHob (
IN EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
EFI_HOB_GUID_TYPE *Hob;
UINT8 TsOnDimm[4];
EFI_GUID gPchPolicyPpiGuid = PCH_PLATFORM_POLICY_PPI_GUID;
PCH_PLATFORM_POLICY_PPI *PchPlatformPolicy;
EFI_GUID gDimmTsInfoGuid = DIMM_TS_INFO_GUID;
Status = (**PeiServices).LocatePpi (PeiServices, &gPchPolicyPpiGuid, 0,
NULL, (VOID **)&PchPlatformPolicy);
if(EFI_ERROR(Status))
{
return;
}
// Build the GUID'd HOB for DXE
Status = (*PeiServices)->CreateHob (
PeiServices,
EFI_HOB_TYPE_GUID_EXTENSION,
(UINT16) (sizeof (EFI_HOB_GUID_TYPE) + 4),
&Hob
);
if (EFI_ERROR (Status))return;
((EFI_HOB_GUID_TYPE *)(Hob))->Name = gDimmTsInfoGuid;
Hob++;
//- TsOnDimm[0] = PchPlatformPolicy->ThermalReportConfig->ThermalReportControl->Dimm1TempReadEnable;
//- TsOnDimm[1] = PchPlatformPolicy->ThermalReportConfig->ThermalReportControl->Dimm2TempReadEnable;
//- TsOnDimm[2] = PchPlatformPolicy->ThermalReportConfig->ThermalReportControl->Dimm3TempReadEnable;
//- TsOnDimm[3] = PchPlatformPolicy->ThermalReportConfig->ThermalReportControl->Dimm4TempReadEnable;
GlueCopyMem (Hob, TsOnDimm, sizeof(TsOnDimm));
}
EFI_STATUS
MePeiPolicyInitEntryPoint (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
)
/*++
Routine Description:
Initilize Intel ME PEI Platform Policy
Arguments:
FfsHeader Pointer to Firmware File System file header.
PeiServices General purpose services available to every PEIM.
Returns:
EFI_STATUS
--*/
{
EFI_STATUS Status;
PEI_ME_PLATFORM_POLICY_PPI *MePlatformPolicyPpi;
EFI_PEI_PPI_DESCRIPTOR *MePlatformPolicyPpiDesc;
EFI_PEI_READ_ONLY_VARIABLE_PPI *VariableServices;
UINTN VariableSize;
SETUP_DATA SetupData;
//
// Allocate descriptor and PPI structures
//
MePlatformPolicyPpi = (PEI_ME_PLATFORM_POLICY_PPI *) AllocateZeroPool (sizeof (PEI_ME_PLATFORM_POLICY_PPI));
ASSERT (MePlatformPolicyPpi != NULL);
if (MePlatformPolicyPpi == NULL) {
return EFI_OUT_OF_RESOURCES;
}
MePlatformPolicyPpiDesc = (EFI_PEI_PPI_DESCRIPTOR *) AllocateZeroPool (sizeof (EFI_PEI_PPI_DESCRIPTOR));
ASSERT (MePlatformPolicyPpiDesc != NULL);
if (MePlatformPolicyPpiDesc == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Locate Variable Ppi
//
Status = (*PeiServices)->LocatePpi(PeiServices,
&gPeiReadOnlyVariablePpiGuid,
0,
NULL,
&VariableServices);
//
// Make sure we have a PPI, if not, just return.
//
if (!VariableServices) {
return EFI_UNSUPPORTED;
}
VariableSize = sizeof(SETUP_DATA);
//
// Get Setup Variable
//
Status = VariableServices->PeiGetVariable (
PeiServices,
L"Setup",
&gSetupGuid,
NULL,
&VariableSize,
&SetupData);
//
// Update Itnel PPT
//
if ( !EFI_ERROR(Status) ) {
#if IntelPTT_SUPPORT
MePlatformPolicyPpi->FTpmSwitch = SetupData.FTpmSwitch;
#else
MePlatformPolicyPpi->FTpmSwitch = 0;
#endif
} else {
MePlatformPolicyPpi->FTpmSwitch = 0;
}
//
// Initialize the PPI
//
MePlatformPolicyPpiDesc->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
MePlatformPolicyPpiDesc->Guid = &gPeiMePlatformPolicyPpiGuid;
//
// Update the REVISION number
//
MePlatformPolicyPpi->Revision = PEI_ME_PLATFORM_POLICY_PPI_REVISION_2;
//
// Initialize the Platform Configuration
//
// Debug UpdatePeiMePlatformPolicy (PeiServices, MePlatformPolicyPpi);
MePlatformPolicyPpiDesc->Ppi = MePlatformPolicyPpi;
///
/// TBD put initialize codes in here if needs
///
///
/// Install the ME PEI Platform Policy PPI
///
Status = (**PeiServices).InstallPpi (PeiServices, MePlatformPolicyPpiDesc);
ASSERT_PEI_ERROR (PeiServices, Status);
DEBUG ((EFI_D_INFO, "ME PEI Platform Policy PPI Installed\n"));
return Status;
}
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