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/** @file
This file is PeiSiPolicyLib library creates default settings of RC
Policy and installs RC Policy PPI.
Copyright (c) 2014 - 2016, 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
which 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.
**/
#include "PeiSiPolicyLibrary.h"
/**
SiCreatePolicyDefaults creates the default setting of Silicon Policy.
It allocates and zero out buffer, and fills in the Intel default settings.
@param[out] SiPolicyPpi The pointer to get Silicon Policy PPI instance
@retval EFI_SUCCESS The policy default is initialized.
@retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer.
**/
EFI_STATUS
EFIAPI
SiCreatePolicyDefaults (
OUT SI_POLICY_PPI **SiPolicyPpi
)
{
SI_POLICY_PPI *SiPolicy;
SiPolicy = (SI_POLICY_PPI *) AllocateZeroPool (sizeof (SI_POLICY_PPI));
if (SiPolicy == NULL) {
ASSERT (FALSE);
return EFI_OUT_OF_RESOURCES;
}
//
// General intialization
//
SiPolicy->Revision = SI_POLICY_REVISION;
//
// PlatformData configuration
//
//
// FviSmbiosType is the SMBIOS OEM type (0x80 to 0xFF) defined in SMBIOS Type 14 - Group
// Associations structure - item type. FVI structure uses it as SMBIOS OEM type to provide
// version information. The default value is type 221.
//
SiPolicy->FviSmbiosType = 0xDD;
//
// Temporary Bus range for silicon initialization.
//
SiPolicy->TempPciBusMin = 2;
SiPolicy->TempPciBusMax = 6;
//
// Temporary Memory Base Address for PCI devices to be used to initialize MMIO registers.
// Minimum size is 2MB bytes.
//
SiPolicy->TempMemBaseAddr = TEMP_MEM_BASE_ADDRESS;
SiPolicy->TempMemSize = TEMP_MEM_SIZE;
//
// Temporary IO Base Address for PCI devices to be used to initialize IO registers.
// And size of temporary IO space.
//
SiPolicy->TempIoBaseAddr = TEMP_IO_BASE_ADDRESS;
SiPolicy->TempIoSize = TEMP_IO_SIZE;
*SiPolicyPpi = SiPolicy;
return EFI_SUCCESS;
}
/**
SiInstallPolicyPpi installs SiPolicyPpi.
While installed, RC assumes the Policy is ready and finalized. So please update and override
any setting before calling this function.
@param[in] SiPolicyPpi The pointer to Silicon Policy PPI instance.
@retval EFI_SUCCESS The policy is installed.
@retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer.
**/
EFI_STATUS
EFIAPI
SiInstallPolicyPpi (
IN SI_POLICY_PPI *SiPolicyPpi
)
{
EFI_STATUS Status;
EFI_PEI_PPI_DESCRIPTOR *SiPolicyPpiDesc;
EFI_PEI_PPI_DESCRIPTOR *OldSiPolicyPpiDesc;
SiPolicyPpiDesc = (EFI_PEI_PPI_DESCRIPTOR *) AllocateZeroPool (sizeof (EFI_PEI_PPI_DESCRIPTOR));
if (SiPolicyPpiDesc == NULL) {
ASSERT (FALSE);
return EFI_OUT_OF_RESOURCES;
}
SiPolicyPpiDesc->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
SiPolicyPpiDesc->Guid = &gSiPolicyPpiGuid;
SiPolicyPpiDesc->Ppi = SiPolicyPpi;
//
// Print whole SI_POLICY_PPI and serial out.
//
SiPrintPolicyPpi (SiPolicyPpi);
Status = PeiServicesLocatePpi (
&gSiPolicyPpiGuid,
0,
&OldSiPolicyPpiDesc,
NULL
);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_INFO, "Locate Old gSiPolicyPpiGuid fail in Post-Memory\n"));
Status = PeiServicesInstallPpi (SiPolicyPpiDesc);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "Install gSiPolicyPpiGuid fail in Post-Memory\n"));
}
ASSERT_EFI_ERROR (Status);
} else {
//
// ReInstall Sc Spi PPI
//
DEBUG ((DEBUG_INFO, "Re-Install gSiPolicyPpiGuid in Post-Memory, OldSiPolicyPpiDesc is %x, New is %x\n", OldSiPolicyPpiDesc, SiPolicyPpiDesc));
Status = PeiServicesReInstallPpi (OldSiPolicyPpiDesc, SiPolicyPpiDesc);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "Re-Install gSiPolicyPpiGuid fail in Post-Memory\n"));
}
ASSERT_EFI_ERROR (Status);
}
ASSERT_EFI_ERROR (Status);
return Status;
}
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