122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
/** @file
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Header file for Pch Init Lib Pei Phase
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@copyright
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INTEL CONFIDENTIAL
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Copyright 2014 - 2021 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 an 'Intel Peripheral Driver' and is uniquely identified as
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"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
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the terms of your license agreement with Intel or your vendor. This file may
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be modified by the user, subject to additional terms of the license agreement.
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@par Specification Reference:
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**/
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#ifndef _PCH_INIT_LIB_H_
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#define _PCH_INIT_LIB_H_
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#include <Ppi/SiPolicy.h>
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#include <PmcSocConfig.h>
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/**
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Describes the configuration and capabilities of the
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upstream component to which PCH is connected.
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**/
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typedef struct {
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PMC_ADR_SOC_CONFIG AdrConfig;
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UINT16 SnoopLtrReqUs;
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} PCH_UPSTREAM_COMPONENT_CONFIG;
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/**
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PCH Init Pre Policy Entry Point
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Performing Pch init in before Poilcy init
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**/
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VOID
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EFIAPI
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PchInitPrePolicy (
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VOID
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);
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/**
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Check some PCH policies are valid for debugging unexpected problem if these
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values are not initialized or assigned incorrect resource.
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@param[in] SiPreMemPolicy The SI PreMem Policy PPI instance
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**/
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VOID
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PchValidatePolicy (
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IN SI_PREMEM_POLICY_PPI *SiPreMemPolicy
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);
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/**
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This function performs basic initialization for PCH in PEI phase after Policy produced.
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If any of the base address arguments is zero, this function will disable the corresponding
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decoding, otherwise this function will enable the decoding.
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This function locks down the AcpiBase.
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@param[in] SiPreMemPolicyPpi The Silicon PreMem Policy PPI instance
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**/
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VOID
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EFIAPI
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PchOnPolicyInstalled (
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IN SI_PREMEM_POLICY_PPI *SiPreMemPolicyPpi
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);
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/**
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Pch init after memory PEI module
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@param[in] SiPolicy The Silicon Policy PPI instance
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@retval None
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**/
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VOID
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EFIAPI
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PchInit (
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IN SI_POLICY_PPI *SiPolicy,
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IN PCH_UPSTREAM_COMPONENT_CONFIG *PchUpstreamComponentConfig
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);
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/**
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I/O Expander init after memory PEI module
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@param[in] SiPolicy The Silicon Policy PPI instance
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@retval None
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**/
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VOID
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EFIAPI
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IoExpanderInit (
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IN SI_POLICY_PPI *SiPolicy
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);
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/**
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Pch End of PEI callback function. This is the last change before entering DXE and OS when S3 resume.
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**/
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VOID
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PchOnEndOfPei (
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VOID
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);
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#endif // _PEI_PCH_INIT_LIB_H_
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