101 lines
3.5 KiB
C
101 lines
3.5 KiB
C
/** @file
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Intel PEI SA Pre-Memory Policy update by board configuration
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@copyright
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INTEL CONFIDENTIAL
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Copyright 2017 - 2020 Intel Corporation.
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The source code contained or described herein and all documents related to the
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source code ("Material") are owned by Intel Corporation or its suppliers or
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licensors. Title to the Material remains with Intel Corporation or its suppliers
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and licensors. The Material may contain trade secrets and proprietary and
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confidential information of Intel Corporation and its suppliers and licensors,
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and is protected by worldwide copyright and trade secret laws and treaty
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provisions. No part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in any way
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without Intel's prior express written permission.
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No license under any patent, copyright, trade secret or other intellectual
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property right is granted to or conferred upon you by disclosure or delivery
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of the Materials, either expressly, by implication, inducement, estoppel or
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otherwise. Any license under such intellectual property rights must be
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express and approved by Intel in writing.
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Unless otherwise agreed by Intel in writing, you may not remove or alter
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this notice or any other notice embedded in Materials by Intel or
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Intel's suppliers or licensors in any way.
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This file contains a 'Sample Driver' and is licensed as such under the terms
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of your license agreement with Intel or your vendor. This file may be modified
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by the user, subject to the additional terms of the license agreement.
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@par Specification Reference:
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**/
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#include "PeiPolicyBoardConfig.h"
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#if FixedPcdGetBool(PcdITbtEnable) == 1
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#include <TcssPeiPreMemConfig.h>
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#endif
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/**
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This function performs PEI SA Pre-Memory Policy update by board configuration.
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@retval EFI_SUCCESS The SI Policy is successfully updated.
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@retval Others The SI Policy is not successfully updated.
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**/
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EFI_STATUS
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EFIAPI
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UpdatePeiSaPolicyBoardConfigPreMem (
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VOID
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)
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{
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EFI_STATUS Status;
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#if FixedPcdGet8(PcdFspModeSelection) == 1
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VOID *FspmUpd;
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#else
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SI_PREMEM_POLICY_PPI *SiPreMemPolicyPpi;
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#if FixedPcdGetBool(PcdITbtEnable) == 1
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TCSS_PEI_PREMEM_CONFIG *TcssPeiPreMemConfig;
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#endif
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#endif
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DEBUG ((DEBUG_INFO, "Updating SA Policy by board config in Pre-Mem\n"));
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Status = EFI_SUCCESS;
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#if FixedPcdGet8(PcdFspModeSelection) == 1
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FspmUpd = NULL;
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#else
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SiPreMemPolicyPpi = NULL;
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#if FixedPcdGetBool(PcdITbtEnable) == 1
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TcssPeiPreMemConfig = NULL;
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#endif
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#endif
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#if FixedPcdGet8(PcdFspModeSelection) == 1
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FspmUpd = (FSPM_UPD *) PcdGet32 (PcdFspmUpdDataAddress);
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ASSERT (FspmUpd != NULL);
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#if FixedPcdGetBool(PcdITbtEnable) == 1
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((FSPM_UPD *) FspmUpd)->FspmConfig.UsbTcPortEnPreMem = PcdGet8 (PcdCpuUsb30PortEnable);
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#endif // PcdITbtEnable#endif
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#else
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Status = PeiServicesLocatePpi (&gSiPreMemPolicyPpiGuid, 0, NULL, (VOID **) &SiPreMemPolicyPpi);
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ASSERT_EFI_ERROR (Status);
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#if FixedPcdGetBool(PcdITbtEnable) == 1
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Status = GetConfigBlock ((VOID *) SiPreMemPolicyPpi, &gTcssPeiPreMemConfigGuid, (VOID *) &TcssPeiPreMemConfig);
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ASSERT_EFI_ERROR (Status);
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if (TcssPeiPreMemConfig != NULL) {
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//
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// ADL-PCH supports BSSB-LS only on port#1, so set only port#1 for
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// SBU pin config which happens later
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//
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TcssPeiPreMemConfig->UsbTcConfig.UsbTcPortEn = PcdGet8 (PcdCpuUsb30PortEnable);
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}
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#endif // PcdITbtEnable#endif
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#endif
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return Status;
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}
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