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alder_lake_bios/Intel/AlderLake/ClientOneSiliconPkg/LibraryPrivate/PeiPolicyOverrideLib/PeiSiPolicyOverrideLibPreMem.c

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/** @file
Provide polciy override functions in PreMem to enable specific silicon feature.
@copyright
INTEL CONFIDENTIAL
Copyright 2017 - 2021 Intel Corporation.
The source code contained or described herein and all documents related to the
source code ("Material") are owned by Intel Corporation or its suppliers or
licensors. Title to the Material remains with Intel Corporation or its suppliers
and licensors. The Material may contain trade secrets and proprietary and
confidential information of Intel Corporation and its suppliers and licensors,
and is protected by worldwide copyright and trade secret laws and treaty
provisions. No part of the Material may be used, copied, reproduced, modified,
published, uploaded, posted, transmitted, distributed, or disclosed in any way
without Intel's prior express written permission.
No license under any patent, copyright, trade secret or other intellectual
property right is granted to or conferred upon you by disclosure or delivery
of the Materials, either expressly, by implication, inducement, estoppel or
otherwise. Any license under such intellectual property rights must be
express and approved by Intel in writing.
Unless otherwise agreed by Intel in writing, you may not remove or alter
this notice or any other notice embedded in Materials by Intel or
Intel's suppliers or licensors in any way.
This file contains an 'Intel Peripheral Driver' and is uniquely identified as
"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
the terms of your license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the license agreement.
@par Specification Reference:
**/
#include <Library/DebugLib.h>
#include <Library/PeiServicesLib.h>
#include <Library/ConfigBlockLib.h>
#include <Ppi/SiPolicy.h>
#include <Library/PeiSiPolicyOverrideLib.h>
#include <Library/PsmiInitLib.h>
#include <Library/PeiPsmiInitFruLib.h>
#include <Library/PeiMeLib.h>
#include <Library/HobLib.h>
#include <DebugTokenDataHob.h>
#include <Library/PreSiliconEnvDetectLib.h>
#include <Library/BaseTraceHubInfoFruLib.h>
#include <Library/PeiTraceHubLib.h>
#include <Library/PeiDciSocLib.h>
/*
Get Debug Token Data and save it in the HOB
@param[out] DebugToken Pointer to Token data
@retval TRUE Debug Token is existed
@retval FALSE Debug Token is not existed
*/
STATIC
BOOLEAN
GetDebugTokenData (
OUT DEBUG_TOKEN_KNOB_DATA *DebugToken
)
{
EFI_STATUS Status;
DEBUG_TOKEN_DATA_HOB *DebugTokenDataHob;
if (IsSimicsEnvironment ()) {
DEBUG ((DEBUG_INFO, "Skip get debug token for simics\n"));
return FALSE;
}
Status = PeiHeciGetDebugTokenData (DebugToken);
if (!EFI_ERROR (Status)) {
//
// check if StreamingTraceSink is valid or roll it back to setup menu default
//
if ((DebugToken->Fields.StreamingTraceSink != SetupMenuDefault) && (DebugToken->Fields.StreamingTraceSink > ForceDisabled)) {
DEBUG ((DEBUG_ERROR, "Invalid Debug Token setting : StreamingTraceSink = %x, PlatformDebugConsent will not be overriden but comply to setup menu\n", DebugToken->Fields.StreamingTraceSink));
DebugToken->Fields.StreamingTraceSink = SetupMenuDefault;
}
///
/// Create HOB for Debug Token Data
///
DebugTokenDataHob = BuildGuidHob (&gDebugTokenDataHobGuid, sizeof (DEBUG_TOKEN_DATA_HOB));
ASSERT (DebugTokenDataHob != 0);
if (DebugTokenDataHob != NULL) {
///
/// Initialize default HOB data
///
DebugTokenDataHob->EfiHobGuidType.Name = gDebugTokenDataHobGuid;
DebugTokenDataHob->DebugTokenData = DebugToken->Data;
} else {
DEBUG ((DEBUG_ERROR, "Failed to create Debug Token Data Hob\n"));
}
DEBUG ((DEBUG_INFO, "DebugToken Fields\n"));
DEBUG ((DEBUG_INFO, "ExposeDebugMenu = %x\n", DebugToken->Fields.ExposeDebugMenu));
DEBUG ((DEBUG_INFO, "StreamingTraceSink = %x\n", DebugToken->Fields.StreamingTraceSink));
DEBUG ((DEBUG_INFO, "TraceHubForceOn = %x\n", DebugToken->Fields.TraceHubForceOn));
DEBUG ((DEBUG_INFO, "TraceEnable = %x\n", DebugToken->Fields.TraceEnable));
DEBUG ((DEBUG_INFO, "JtagC10PgDis = %x\n", DebugToken->Fields.JtagC10PgDis));
DEBUG ((DEBUG_INFO, "UsbOverCurrentOvrd = %x\n\n", DebugToken->Fields.UsbOverCurrentOvrd));
return TRUE;
} else {
DEBUG ((DEBUG_INFO, "No BIOS payload present in system\n"));
return FALSE;
}
}
/**
Override policies relevant to PlatformDebugConsent to enable debug in PreMem.
@param[in] SiPreMemPolicyPpi The Silicon PreMem Policy PPI instance
**/
STATIC
VOID
PlatformDebugConsentEnablePreMem (
IN SI_PREMEM_POLICY_PPI *SiPreMemPolicyPpi
)
{
EFI_STATUS Status;
SI_PREMEM_CONFIG *SiPreMemConfig;
PCH_DCI_PREMEM_CONFIG *DciPreMemConfig;
CPU_TRACE_HUB_PREMEM_CONFIG *CpuTraceHubPreMemConfig;
PCH_TRACE_HUB_PREMEM_CONFIG *PchTraceHubPreMemConfig;
CPU_CONFIG_LIB_PREMEM_CONFIG *CpuConfigLibPreMemConfig;
PCH_GENERAL_PREMEM_CONFIG *PchGeneralPreMemConfig;
DEBUG_TOKEN_KNOB_DATA DebugToken;
BOOLEAN DebugTokenExist;
SiPreMemConfig = NULL;
DciPreMemConfig = NULL;
CpuTraceHubPreMemConfig = NULL;
PchTraceHubPreMemConfig = NULL;
CpuConfigLibPreMemConfig = NULL;
PchGeneralPreMemConfig = NULL;
DebugTokenExist = FALSE;
Status = GetConfigBlock ((VOID *) SiPreMemPolicyPpi, &gSiPreMemConfigGuid, (VOID *) &SiPreMemConfig);
ASSERT_EFI_ERROR (Status);
Status = GetConfigBlock ((VOID *) SiPreMemPolicyPpi, &gDciPreMemConfigGuid, (VOID *) &DciPreMemConfig);
ASSERT_EFI_ERROR (Status);
Status = GetConfigBlock ((VOID *) SiPreMemPolicyPpi, &gCpuTraceHubPreMemConfigGuid, (VOID *) &CpuTraceHubPreMemConfig);
ASSERT_EFI_ERROR (Status);
Status = GetConfigBlock ((VOID *) SiPreMemPolicyPpi, &gPchTraceHubPreMemConfigGuid, (VOID *) &PchTraceHubPreMemConfig);
ASSERT_EFI_ERROR (Status);
Status = GetConfigBlock ((VOID *) SiPreMemPolicyPpi, &gCpuConfigLibPreMemConfigGuid, (VOID *) &CpuConfigLibPreMemConfig);
ASSERT_EFI_ERROR (Status);
Status = GetConfigBlock ((VOID *) SiPreMemPolicyPpi, &gPchGeneralPreMemConfigGuid, (VOID *) &PchGeneralPreMemConfig);
ASSERT_EFI_ERROR (Status);
//
// Get Debug Token
//
DebugTokenExist = GetDebugTokenData (&DebugToken);
if (DebugTokenExist) {
if (DebugToken.Fields.JtagC10PgDis == TRUE) {
CpuConfigLibPreMemConfig->JtagC10PowerGateDisable = TRUE;
}
if (DebugToken.Fields.StreamingTraceSink != SetupMenuDefault) {
switch (DebugToken.Fields.StreamingTraceSink) {
case EnabledAll:
SiPreMemConfig->PlatformDebugConsent = ProbeTypeDciOob;
break;
case EnabledLowPower:
SiPreMemConfig->PlatformDebugConsent = ProbeType2WireDciOob;
break;
case ForceDisabled:
SiPreMemConfig->PlatformDebugConsent = ProbeTypeDisabled;
break;
}
DEBUG ((DEBUG_INFO, "Token overrides PlatformDebugConsent to %x\n", SiPreMemConfig->PlatformDebugConsent));
}
}
switch (SiPreMemConfig->PlatformDebugConsent) {
case ProbeTypeDisabled:
DciPreMemConfig->DciEn = FALSE;
DciPreMemConfig->DciClkEnable = TRUE;
DciPreMemConfig->KeepEarlyTrace = FALSE;
CpuTraceHubPreMemConfig->TraceHub.EnableMode = TraceHubModeDisabled;
CpuTraceHubPreMemConfig->TraceHub.MemReg0Size = TraceBufferNone;
CpuTraceHubPreMemConfig->TraceHub.MemReg1Size = TraceBufferNone;
PchTraceHubPreMemConfig->TraceHub.EnableMode = TraceHubModeDisabled;
PchTraceHubPreMemConfig->TraceHub.MemReg0Size = TraceBufferNone;
PchTraceHubPreMemConfig->TraceHub.MemReg1Size = TraceBufferNone;
PchGeneralPreMemConfig->IoeDebugEn = FALSE;
PchGeneralPreMemConfig->PmodeClkEn = FALSE;
CpuConfigLibPreMemConfig->InfDfxPwrEnable = FALSE;
break;
case ProbeType2WireDciOob:
DciPreMemConfig->DciEn = TRUE;
DciPreMemConfig->DciClkEnable = FALSE;
DciPreMemConfig->KeepEarlyTrace = FALSE;
CpuTraceHubPreMemConfig->TraceHub.EnableMode = TraceHubModeDisabled;
CpuTraceHubPreMemConfig->TraceHub.MemReg0Size = TraceBufferNone;
CpuTraceHubPreMemConfig->TraceHub.MemReg1Size = TraceBufferNone;
PchTraceHubPreMemConfig->TraceHub.EnableMode = TraceHubModeDisabled;
PchTraceHubPreMemConfig->TraceHub.MemReg0Size = TraceBufferNone;
PchTraceHubPreMemConfig->TraceHub.MemReg1Size = TraceBufferNone;
PchGeneralPreMemConfig->IoeDebugEn = FALSE;
PchGeneralPreMemConfig->PmodeClkEn = FALSE;
CpuConfigLibPreMemConfig->InfDfxPwrEnable = TRUE;
break;
case ProbeTypeDciOob:
DciPreMemConfig->DciEn = TRUE;
DciPreMemConfig->DciClkEnable = TRUE;
DciPreMemConfig->KeepEarlyTrace = TRUE;
CpuTraceHubPreMemConfig->TraceHub.EnableMode = TraceHubModeHostDebugger;
CpuTraceHubPreMemConfig->TraceHub.MemReg0Size = TraceBuffer8M;
CpuTraceHubPreMemConfig->TraceHub.MemReg1Size = TraceBuffer8M;
PchTraceHubPreMemConfig->TraceHub.EnableMode = TraceHubModeHostDebugger;
PchTraceHubPreMemConfig->TraceHub.MemReg0Size = TraceBuffer8M;
PchTraceHubPreMemConfig->TraceHub.MemReg1Size = TraceBuffer8M;
PchGeneralPreMemConfig->IoeDebugEn = TRUE;
PchGeneralPreMemConfig->PmodeClkEn = TRUE;
CpuConfigLibPreMemConfig->InfDfxPwrEnable = TRUE;
break;
default:
break;
}
if ((DebugTokenExist && (DebugToken.Fields.TraceHubForceOn == TRUE)) || IsDebuggerInUse (PchTraceHub) || IsProbeConnectedOverride ()) {
PchTraceHubPreMemConfig->TraceHub.EnableMode = TraceHubModeHostDebugger;
PchTraceHubPreMemConfig->TraceHub.MemReg0Size = TraceBuffer8M;
PchTraceHubPreMemConfig->TraceHub.MemReg1Size = TraceBuffer8M;
}
//
// When probe override is supported and connected, BIOS does not configure KET, which is done by DTS tool.
//
if (IsProbeConnectedOverride ()) {
DciPreMemConfig->KeepEarlyTrace = 2;
}
if (!IsCpuTraceHubSupport ()) {
CpuTraceHubPreMemConfig->TraceHub.EnableMode = TraceHubModeDisabled;
CpuTraceHubPreMemConfig->TraceHub.MemReg0Size = TraceBufferNone;
CpuTraceHubPreMemConfig->TraceHub.MemReg1Size = TraceBufferNone;
} else if (IsDebuggerInUse (CpuTraceHub)) {
CpuTraceHubPreMemConfig->TraceHub.EnableMode = TraceHubModeHostDebugger;
CpuTraceHubPreMemConfig->TraceHub.MemReg0Size = TraceBuffer8M;
CpuTraceHubPreMemConfig->TraceHub.MemReg1Size = TraceBuffer8M;
}
DEBUG ((DEBUG_INFO, "SiPreMemConfig->PlatformDebugConsent = %x\n", SiPreMemConfig->PlatformDebugConsent));
DEBUG ((DEBUG_INFO, "DciPreMemConfig->DciEn = %x\n", DciPreMemConfig->DciEn));
DEBUG ((DEBUG_INFO, "DciPreMemConfig->DciClkEnable = %x\n", DciPreMemConfig->DciClkEnable));
DEBUG ((DEBUG_INFO, "DciPreMemConfig->KeepEarlyTrace = %x\n", DciPreMemConfig->KeepEarlyTrace));
DEBUG ((DEBUG_INFO, "CpuTraceHubPreMemConfig->TraceHub.EnableMode = %x\n", CpuTraceHubPreMemConfig->TraceHub.EnableMode));
DEBUG ((DEBUG_INFO, "CpuTraceHubPreMemConfig->TraceHub.MemReg0Size = %x\n", CpuTraceHubPreMemConfig->TraceHub.MemReg0Size));
DEBUG ((DEBUG_INFO, "CpuTraceHubPreMemConfig->TraceHub.MemReg1Size = %x\n", CpuTraceHubPreMemConfig->TraceHub.MemReg1Size));
DEBUG ((DEBUG_INFO, "PchTraceHubPreMemConfig->TraceHub.EnableMode = %x\n", PchTraceHubPreMemConfig->TraceHub.EnableMode));
DEBUG ((DEBUG_INFO, "PchTraceHubPreMemConfig->TraceHub.MemReg0Size = %x\n", PchTraceHubPreMemConfig->TraceHub.MemReg0Size));
DEBUG ((DEBUG_INFO, "PchTraceHubPreMemConfig->TraceHub.MemReg1Size = %x\n", PchTraceHubPreMemConfig->TraceHub.MemReg1Size));
DEBUG ((DEBUG_INFO, "CpuConfigLibPreMemConfig->InfDfxPwrEnable = %x\n", CpuConfigLibPreMemConfig->InfDfxPwrEnable));
DEBUG ((DEBUG_INFO, "PchGeneralPreMemConfig->IoeDebugEn = %x\n", PchGeneralPreMemConfig->IoeDebugEn));
DEBUG ((DEBUG_INFO, "PchGeneralPreMemConfig->PmodeClkEn = %x\n", PchGeneralPreMemConfig->PmodeClkEn));
}
/**
Policy override in PreMem phase
@param[in] SiPreMemPolicyPpi The Silicon PreMem Policy PPI instance
**/
VOID
PeiSiPolicyOverridePreMem (
IN SI_PREMEM_POLICY_PPI *SiPreMemPolicyPpi
)
{
DEBUG ((DEBUG_INFO, "PeiSiPolicyOverridePreMem ()\n"));
PlatformDebugConsentEnablePreMem (SiPreMemPolicyPpi);
PsmiTraceHubPolicyOverride (SiPreMemPolicyPpi);
TraceHubDataHobInit (SiPreMemPolicyPpi);
}
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