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alder_lake_bios/Intel/AlderLake/AlderLakePlatSamplePkg/Features/Amt/AsfTable/AsfTable.c

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/**@file
Create ASF ACPI table.
@copyright
INTEL CONFIDENTIAL
Copyright 2011 - 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 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.
@par Specification Reference:
**/
#include "AsfTable.h"
EFI_ACPI_DESCRIPTION_HEADER AsfTableHeader =
{
EFI_ACPI_ASF_DESCRIPTION_TABLE_SIGNATURE,
0, // overwritten after table building
EFI_ACPI_2_0_ASF_DESCRIPTION_TABLE_REVISION
};
//
// Remote Control Capabilities supported Bit Masks
//
ASF_RMCP_REMOTE_CTRL_CAPS mRemoteControlCapabilities =
{
#if FixedPcdGetBool (PcdRemotePlatformEraseSupport) == 1
{ // Boot Options/System Firmware Capabilities Bit Mask
LOCK_KEYBOARD,
FORCE_PROGRESS_EVENTS | USER_PASSWORD_BYPASS | CONFIG_DATA_RESET,
0x00, // Reserved
0x00 // Reserved
},
#else
{ // Boot Options/System Firmware Capabilities Bit Mask
LOCK_KEYBOARD,
FORCE_PROGRESS_EVENTS | USER_PASSWORD_BYPASS,
0x00, // Reserved
0x00 // Reserved
},
#endif
{ // Special Commands Bit Mask
0x00, // Reserved
SUPPORT_FORCE_CDDVD | SUPPORT_FORCE_HARDDRIVE | SUPPORT_FORCE_PXE
},
{ // System Capabilities Bit Mask
SUPPORT_RESET_COMBO | SUPPORT_POWER_UP_COMBO | SUPPORT_POWER_DOWN_COMBO | SUPPORT_POWER_CYCLE_RESET_COMBO
}
};
//
// Target SMBUS Read devices
//
EFI_ACPI_ASF_ALERTDATA mAsfAlertDevices[] =
{
#if FixedPcdGet8(PcdEmbeddedEnable) == 0x1
{ 0x5B, 0x41, 0x20, 0x20, 0x01, 0x6F, 0x00, 0x68, 0x10, 0x88, 0x03, 0x00 },
{ 0x5B, 0x41, 0x02, 0x02, 0x02, 0x6F, 0x00, 0x68, 0x10, 0x88, 0x03, 0x01 },
{ 0x5B, 0x42, 0x04, 0x04, 0x02, 0x6F, 0x00, 0x68, 0x10, 0x88, 0x03, 0x02 },
{ 0x5B, 0x42, 0x02, 0x02, 0x02, 0x6F, 0x00, 0x68, 0x10, 0x88, 0x03, 0x03 },
{ 0x5B, 0x42, 0x01, 0x01, 0x02, 0x6F, 0x00, 0x68, 0x10, 0x88, 0x03, 0x04 },
{ 0x5B, 0x45, 0x10, 0x10, 0x04, 0x6F, 0x00, 0x68, 0x01, 0x88, 0x03, 0x01 },
#else
{ 0x89, 0x04, 0x01, 0x01, 0x05, 0x6F, 0x00, 0x68, 0x08, 0x88, 0x17, 0x00 }, // Device 0
#endif
{ 0x89, 0x04, 0x04, 0x04, 0x07, 0x6F, 0x00, 0x68, 0x20, 0x88, 0x03, 0x00 }, // Device 1
{ 0x89, 0x05, 0x01, 0x01, 0x19, 0x6F, 0x00, 0x68, 0x20, 0x88, 0x22, 0x00 } // Device 2
};
//
// Target SMBUS Write cmds
//
EFI_ACPI_ASF_CONTROLDATA mAsfAlertControls[] =
{
{ 0x00, 0x88, 0x00, 0x03 }, // Control 0 --> Reset system
{ 0x01, 0x88, 0x00, 0x02 }, // Control 1 --> Power Off system
{ 0x02, 0x88, 0x00, 0x01 }, // Control 2 --> Power On system
{ 0x03, 0x88, 0x00, 0x04 } // Control 3 --> Power Cycle Reset (off then on)
};
//
// Fixed SMBUS Addresses
//
UINT8 mAsfAlertAddresses[] =
#if FixedPcdGet8(PcdEmbeddedEnable) == 0x1
{
0x5A, 0x88, 0x98, // SIO, ICH Target Device, Thermal Sensor
0xA0, 0xA4, 0xC8 // SDRAM SPD devices, Gbe Phy
};
#else
{
0x5C, 0x68, 0x88, 0xC2, 0xD2, // Fixed SMBus Address (Heceta 6, 82573E device - static def (also an ARP addr),
0xDC, 0xA0, 0xA2, 0xA4, 0xA6, // Target Device, SMB ARP, CK410, DB400/800, SDRAM SPD devices
0xC8 // TEKOA Target Device
};
#endif
/**
Entry point for the ACPI ASF Table Driver.
Building Asf Table when Ready To Boot event is signaled.
@param[in] ImageHandle - Pointer to the loaded image protocol for this driver
@param[in] SystemTable - Pointer to the EFI System Table
@retval EFI_SUCCESS - Building ASF Table successfully.
**/
EFI_STATUS
EFIAPI
AsfTableEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_EVENT AsfEvent;
EFI_STATUS Status;
Status = EfiCreateEventReadyToBootEx (
TPL_NOTIFY,
BuildAsfTable,
(VOID *)&ImageHandle,
&AsfEvent
);
ASSERT_EFI_ERROR (Status);
return Status;
}
/**
Calculate ASF Table Info part.
@param[in] AsfTable - Pointer to ASF Table.
@param[in,out] TableOffset - On input - offset to the beginning of ASF_INFO Table
On output - current size of the ASF Table
**/
VOID
CalculateAsfTableInfo (
IN ASF_TABLE *AsfTable,
IN OUT UINT32 *TableOffset
)
{
EFI_ACPI_ASF_INFO *AsfInfo;
AsfInfo = (EFI_ACPI_ASF_INFO *) &AsfTable->TableData[*TableOffset];
ZeroMem (AsfInfo, sizeof (EFI_ACPI_ASF_INFO));
AsfInfo->RecordHeader.Type = ASF_INFO_TYPE;
AsfInfo->RecordHeader.RecordLength = sizeof (EFI_ACPI_ASF_INFO);
AsfInfo->MinWatchDogResetValue = ASF_INFO_MIN_WATCH_DOG_RESET_VALUE;
AsfInfo->MinPollingInterval = ASF_INFO_MIN_POLLING_INTERVAL;
AsfInfo->SystemID = ASF_INFO_SYSTEM_ID;
AsfInfo->IANAManufactureID = ASF_INTEL_CONVERTED_IANA;
*TableOffset += sizeof (EFI_ACPI_ASF_INFO);
}
/**
Calculate ASF Table Alert part.
@param[in] AsfTable - Pointer to ASF Table.
@param[in,out] TableOffset - On input - offset to the beginning of ASF_ALRT Table
On output - current size of the ASF Table
**/
VOID
CalculateAsfTableAlert (
IN ASF_TABLE *AsfTable,
IN OUT UINT32 *TableOffset
)
{
EFI_ACPI_ASF_ALRT *AsfAlert;
AsfAlert = (EFI_ACPI_ASF_ALRT *) &AsfTable->TableData[*TableOffset];
ZeroMem (AsfAlert, sizeof (EFI_ACPI_ASF_ALRT) + sizeof (mAsfAlertDevices));
AsfAlert->RecordHeader.Type = ASF_ALRT_TYPE;
AsfAlert->RecordHeader.RecordLength = sizeof (EFI_ACPI_ASF_ALRT) + sizeof (mAsfAlertDevices);
AsfAlert->NumberOfAlerts = sizeof (mAsfAlertDevices) / sizeof (EFI_ACPI_ASF_ALERTDATA);
AsfAlert->ArrayElementLength = sizeof (EFI_ACPI_ASF_ALERTDATA);
CopyMem ((UINT8 *)AsfAlert + sizeof (EFI_ACPI_ASF_ALRT), &mAsfAlertDevices, sizeof (mAsfAlertDevices));
*TableOffset += AsfAlert->RecordHeader.RecordLength;
}
/**
Calculate ASF Table Rctl part.
@param[in] AsfTable - Pointer to ASF Table.
@param[in,out] TableOffset - On input - offset to the beginning of ASF_RCTL Table
On output - current size of the ASF Table
**/
VOID
CalculateAsfTableRctl (
IN ASF_TABLE *AsfTable,
IN OUT UINT32 *TableOffset
)
{
EFI_ACPI_ASF_RCTL *AsfRctl;
AsfRctl = (EFI_ACPI_ASF_RCTL *) &AsfTable->TableData[*TableOffset];
ZeroMem (AsfRctl, sizeof (EFI_ACPI_ASF_RCTL) + sizeof (mAsfAlertControls));
AsfRctl->RecordHeader.Type = ASF_RCTL_TYPE;
AsfRctl->RecordHeader.RecordLength = sizeof (EFI_ACPI_ASF_RCTL) + sizeof (mAsfAlertControls);
AsfRctl->NumberOfControls = sizeof (mAsfAlertControls) / sizeof (EFI_ACPI_ASF_CONTROLDATA);
AsfRctl->ArrayElementLength = sizeof (EFI_ACPI_ASF_CONTROLDATA);
CopyMem ((UINT8 *)AsfRctl + sizeof (EFI_ACPI_ASF_RCTL), &mAsfAlertControls, sizeof (mAsfAlertControls));
*TableOffset += AsfRctl->RecordHeader.RecordLength;
}
/**
Calculate ASF Table Rmpc part.
@param[in] AsfTable - Pointer to ASF Table.
@param[in,out] TableOffset - On input - offset to the beginning of ASF_RCMP Table
On output - current size of the ASF Table
**/
VOID
CalculateAsfTableRmcp (
IN ASF_TABLE *AsfTable,
IN OUT UINT32 *TableOffset
)
{
EFI_ACPI_ASF_RMCP *AsfRmcp;
AsfRmcp = (EFI_ACPI_ASF_RMCP *) &AsfTable->TableData[*TableOffset];
ZeroMem (AsfRmcp, sizeof (EFI_ACPI_ASF_RMCP));
AsfRmcp->RecordHeader.Type = ASF_RMCP_TYPE;
AsfRmcp->RecordHeader.RecordLength = sizeof (EFI_ACPI_ASF_RMCP);
CopyMem (&AsfRmcp->RemoteControlCapabilities, &mRemoteControlCapabilities, sizeof (ASF_RMCP_REMOTE_CTRL_CAPS));
AsfRmcp->RMCPCompletionCode = ASF_RMCP_NO_BOOT_OPTION;
*TableOffset += sizeof (EFI_ACPI_ASF_RMCP);
}
/**
Calculate ASF Table Address part.
@param[in] AsfTable - Pointer to ASF Table.
@param[in,out] TableOffset - On input - offset to the beginning of ASF_ADDR Table
On output - current size of the ASF Table
**/
VOID
CalculateAsfTableAddr (
IN ASF_TABLE *AsfTable,
IN OUT UINT32 *TableOffset
)
{
EFI_ACPI_ASF_ADDR *AsfAddress;
AsfAddress = (EFI_ACPI_ASF_ADDR *) &AsfTable->TableData[*TableOffset];
ZeroMem (AsfAddress, sizeof (EFI_ACPI_ASF_ADDR) + sizeof (mAsfAlertAddresses));
AsfAddress->RecordHeader.Type = ASF_LAST_RECORD_TYPE | ASF_ADDR_TYPE;
AsfAddress->RecordHeader.RecordLength = sizeof (EFI_ACPI_ASF_ADDR) + sizeof (mAsfAlertAddresses);
AsfAddress->NumberOfDevices = sizeof (mAsfAlertAddresses) / sizeof (UINT8);
CopyMem ((UINT8 *)AsfAddress + sizeof (EFI_ACPI_ASF_ADDR), &mAsfAlertAddresses, sizeof (mAsfAlertAddresses));
*TableOffset += AsfAddress->RecordHeader.RecordLength;
}
/**
Get ASF Sensors table presence info from ME Setup
@retval TRUE MeSetup.AsfSensorsTable is present.
@retval FALSE MeSetup.AsfSensorsTable is NOT present.
**/
BOOLEAN
IsAsfSensorsTablePresent (
VOID
)
{
EFI_STATUS Status;
ME_SETUP MeSetup;
UINTN SetupSize;
SetupSize = sizeof (ME_SETUP);
Status = gRT->GetVariable (L"MeSetup", &gMeSetupVariableGuid, NULL, &SetupSize, &MeSetup);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_WARN, "Cannot get \"MeSetup\" variable\n"));
return FALSE;
}
return (BOOLEAN)(MeSetup.AsfSensorsTable == 1);
}
/**
Install Alert Standard Format (ASF) Table.
@param[in] Event - A pointer to the Event that triggered the callback.
@param[in] Context - A pointer to private data registered with the callback function.
**/
VOID
EFIAPI
BuildAsfTable (
IN EFI_EVENT Event,
IN VOID *Context
)
{
EFI_STATUS Status;
UINTN AsfTableHandle;
EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
ASF_TABLE *AsfTable;
UINT32 TableOffset;
UINT32 TableSize;
BOOLEAN AsfSensorsTablePresent;
AsfTableHandle = 0;
gBS->CloseEvent (Event);
AsfSensorsTablePresent = IsAsfSensorsTablePresent ();
TableSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) +
sizeof (EFI_ACPI_ASF_INFO) +
sizeof (EFI_ACPI_ASF_RCTL) +
sizeof (mAsfAlertControls) +
sizeof (EFI_ACPI_ASF_RMCP) +
sizeof (EFI_ACPI_ASF_ADDR) +
sizeof (mAsfAlertAddresses);
if (AsfSensorsTablePresent) {
TableSize += (sizeof (EFI_ACPI_ASF_ALRT) + sizeof (mAsfAlertDevices));
}
AsfTable = AllocateZeroPool (TableSize);
if (AsfTable == NULL) {
DEBUG ((DEBUG_WARN, "BuildAsfTable Error: Could not allocate Memory\n"));
return;
}
CopyMem (&AsfTable->TableHeader, &AsfTableHeader, sizeof (AsfTableHeader));
CopyMem (AsfTable->TableHeader.OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AsfTable->TableHeader.OemId));
AsfTable->TableHeader.Length = TableSize;
AsfTable->TableHeader.OemTableId = PcdGet64 (PcdAcpiDefaultOemTableId);
AsfTable->TableHeader.OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);
AsfTable->TableHeader.CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);
AsfTable->TableHeader.CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);
TableOffset = 0;
CalculateAsfTableInfo (AsfTable, &TableOffset);
if (AsfSensorsTablePresent) {
CalculateAsfTableAlert (AsfTable, &TableOffset);
}
CalculateAsfTableRctl (AsfTable, &TableOffset);
CalculateAsfTableRmcp (AsfTable, &TableOffset);
CalculateAsfTableAddr (AsfTable, &TableOffset);
Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **) &AcpiTable);
if (!EFI_ERROR (Status)) {
Status = AcpiTable->InstallAcpiTable (
AcpiTable,
&AsfTable->TableHeader,
AsfTable->TableHeader.Length,
&AsfTableHandle
);
}
FreePool (AsfTable);
}
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