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/* $NoKeywords:$ */
/**
* @file
*
* AMD SLIT, ACPI table related API functions.
*
* Contains code that generates the SLIT table
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: CPU
* @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (Wed, 22 Dec 2010) $
*
*/
/*
******************************************************************************
*
* Copyright (c) 2011, Advanced Micro Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Advanced Micro Devices, Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
******************************************************************************
*/
/*----------------------------------------------------------------------------
* This file provides functions, that will generate SLIT tables
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* M O D U L E S U S E D
*----------------------------------------------------------------------------------------
*/
#include "AGESA.h"
#include "amdlib.h"
#include "OptionSlit.h"
#include "heapManager.h"
#include "cpuLateInit.h"
#include "cpuRegisters.h"
#include "Topology.h"
#include "Ids.h"
#include "cpuFeatures.h"
#include "cpuFamilyTranslation.h"
#include "cpuL3Features.h"
#include "Filecode.h"
CODE_GROUP (G3_DXE)
RDATA_GROUP (G3_DXE)
#define FILECODE PROC_CPU_FEATURE_CPUSLIT_FILECODE
/*----------------------------------------------------------------------------------------
* D E F I N I T I O N S A N D M A C R O S
*----------------------------------------------------------------------------------------
*/
extern OPTION_SLIT_CONFIGURATION OptionSlitConfiguration; // global user config record
STATIC ACPI_TABLE_HEADER ROMDATA CpuSlitHdrStruct =
{
{'S','L','I','T'},
0,
1,
0,
{'A','M','D',' ',' ',' '},
{'A','G','E','S','A',' ',' ',' '},
1,
{'A','M','D',' '},
1
};
/*----------------------------------------------------------------------------------------
* T Y P E D E F S A N D S T R U C T U R E S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* P R O T O T Y P E S O F L O C A L F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
VOID
STATIC
AcpiSlitHBufferFind (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN UINT8 **SocketTopologyPtr
);
/*----------------------------------------------------------------------------------------
* P R O T O T Y P E S O F E X P O R T E D F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* E X P O R T E D F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
AGESA_STATUS
GetAcpiSlitStub (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN OUT VOID **SlitPtr
);
AGESA_STATUS
GetAcpiSlitMain (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN OUT VOID **SlitPtr
);
AGESA_STATUS
ReleaseSlitBufferStub (
IN OUT AMD_CONFIG_PARAMS *StdHeader
);
AGESA_STATUS
ReleaseSlitBuffer (
IN OUT AMD_CONFIG_PARAMS *StdHeader
);
extern CPU_FAMILY_SUPPORT_TABLE L3FeatureFamilyServiceTable;
/*---------------------------------------------------------------------------------------*/
/**
*
* This function generates a complete SLIT table into a memory buffer.
* After completion, this table must be set by the system BIOS into its
* internal ACPI namespace, and linked into the RSDT/XSDT
*
* @param[in, out] StdHeader Standard Head Pointer
* @param[in] PlatformConfig Config handle for platform specific information
* @param[in, out] SlitPtr Point to Slit Struct including buffer address and length
*
* @retval UINT32 AGESA_STATUS
*/
AGESA_STATUS
CreateAcpiSlit (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN OUT VOID **SlitPtr
)
{
AGESA_TESTPOINT (TpProcCpuEntrySlit, StdHeader);
return ((*(OptionSlitConfiguration.SlitFeature)) (StdHeader, PlatformConfig, SlitPtr));
}
/*---------------------------------------------------------------------------------------*/
/**
*
* This is the default routine for use when the SLIT option is NOT requested.
*
* The option install process will create and fill the transfer vector with
* the address of the proper routine (Main or Stub). The link optimizer will
* strip out of the .DLL the routine that is not used.
*
* @param[in, out] StdHeader Standard Head Pointer
* @param[in] PlatformConfig Config handle for platform specific information
* @param[in, out] SlitPtr Point to Slit Struct including buffer address and length
*
* @retval AGESA_STATUS
*/
AGESA_STATUS
GetAcpiSlitStub (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN OUT VOID **SlitPtr
)
{
return AGESA_UNSUPPORTED;
}
/*---------------------------------------------------------------------------------------*/
/**
*
* This function generates a complete SLIT table into a memory buffer.
* After completion, this table must be set by the system BIOS into its
* internal ACPI namespace, and linked into the RSDT/XSDT
*
* @param[in, out] StdHeader Standard Head Pointer
* @param[in] PlatformConfig Config handle for platform specific information
* @param[in, out] SlitPtr Point to Slit Struct including buffer address and length
*
* @retval UINT32 AGESA_STATUS
*/
AGESA_STATUS
GetAcpiSlitMain (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN PLATFORM_CONFIGURATION *PlatformConfig,
IN OUT VOID **SlitPtr
)
{
UINT8 MaxHops;
UINT8 SocketNum;
UINT8 i;
UINT8 j;
UINT8 *BufferPtr;
UINT8 *SocketTopologyDataPtr;
UINT8 *SocketTopologyPtr;
UINT32 Socket;
BOOLEAN IsProbeFilterEnabled;
ACPI_TABLE_HEADER *CpuSlitHeaderStructPtr;
AGESA_STATUS Flag;
ALLOCATE_HEAP_PARAMS AllocStruct;
L3_FEATURE_FAMILY_SERVICES *FamilyServices;
MaxHops = 0;
SocketTopologyPtr = NULL;
Flag = AGESA_ERROR;
IsProbeFilterEnabled = FALSE;
// find out the pointer to the BufferHandle which contains
// Node Topology information
AcpiSlitHBufferFind (StdHeader, &SocketTopologyPtr);
if (SocketTopologyPtr == 0) {
return (Flag);
}
SocketNum = *SocketTopologyPtr;
IDS_HDT_CONSOLE (CPU_TRACE, " SLIT is created\n");
// create a buffer by calling IBV callout routine
AllocStruct.RequestedBufferSize = (SocketNum * SocketNum) + AMD_ACPI_SLIT_SOCKET_NUM_LENGTH + sizeof (ACPI_TABLE_HEADER);
AllocStruct.BufferHandle = AMD_ACPI_SLIT_BUFFER_HANDLE;
AllocStruct.Persist = HEAP_SYSTEM_MEM;
if (HeapAllocateBuffer (&AllocStruct, StdHeader) != AGESA_SUCCESS) {
return (Flag);
}
*SlitPtr = AllocStruct.BufferPtr;
//SLIT header
LibAmdMemCopy (*SlitPtr, (VOID *) &CpuSlitHdrStruct, (UINTN) (sizeof (ACPI_TABLE_HEADER)), StdHeader);
CpuSlitHeaderStructPtr = (ACPI_TABLE_HEADER *) *SlitPtr;
CpuSlitHeaderStructPtr->TableLength = (UINT32) AllocStruct.RequestedBufferSize;
BufferPtr = *SlitPtr;
Flag = AGESA_SUCCESS;
// SLIT body
// Check if Probe Filter is enabled
if (IsFeatureEnabled (L3Features, PlatformConfig, StdHeader)) {
IsProbeFilterEnabled = TRUE;
for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) {
if (IsProcessorPresent (Socket, StdHeader)) {
GetFeatureServicesOfSocket (&L3FeatureFamilyServiceTable, Socket, (const VOID **) &FamilyServices, StdHeader);
if ((FamilyServices == NULL) || (!FamilyServices->IsHtAssistSupported (FamilyServices, PlatformConfig, StdHeader))) {
IsProbeFilterEnabled = FALSE;
break;
}
}
}
}
if (!IsProbeFilterEnabled) {
// probe filter is disabled
// get MaxHops
SocketTopologyDataPtr = SocketTopologyPtr + sizeof (SocketNum);
for (i = 0; i < SocketNum; i++) {
for (j = 0; j < SocketNum; j++) {
if (*SocketTopologyDataPtr > MaxHops) {
MaxHops = *SocketTopologyDataPtr;
}
SocketTopologyDataPtr++;
}
}
// the Max hop entries have a value of 13
// and all other entries have 10.
SocketTopologyDataPtr = SocketTopologyPtr + sizeof (SocketNum);
for (i = 0; i < SocketNum; i++) {
for (j = 0; j < SocketNum; j++) {
if (*SocketTopologyDataPtr++ == MaxHops) {
*(BufferPtr + sizeof (ACPI_TABLE_HEADER) +
AMD_ACPI_SLIT_SOCKET_NUM_LENGTH + (i * SocketNum) + j) = 13;
} else {
*(BufferPtr + sizeof (ACPI_TABLE_HEADER) +
AMD_ACPI_SLIT_SOCKET_NUM_LENGTH + (i * SocketNum) + j) = 10;
}
}
}
} else {
// probe filter is enabled
// formula : num_hops * 6 + 10
SocketTopologyDataPtr = SocketTopologyPtr + sizeof (SocketNum);
for (i = 0; i < SocketNum; i++) {
for (j = 0; j < SocketNum; j++) {
*(BufferPtr + sizeof (ACPI_TABLE_HEADER) +
AMD_ACPI_SLIT_SOCKET_NUM_LENGTH + (i * SocketNum) + j) =
((*SocketTopologyDataPtr++) * 6) + 10;
}
}
}
BufferPtr += sizeof (ACPI_TABLE_HEADER);
*((UINT64 *) BufferPtr) = (UINT64) SocketNum;
//Update SLIT header Checksum
ChecksumAcpiTable ((ACPI_TABLE_HEADER *) *SlitPtr, StdHeader);
return (Flag);
}
/*---------------------------------------------------------------------------------------
* L O C A L F U N C T I O N S
*---------------------------------------------------------------------------------------
*/
/*---------------------------------------------------------------------------------------*/
/**
*
* Find out the pointer to the BufferHandle which contains
* Node Topology information
*
* @param[in, out] StdHeader Standard Head Pointer
* @param[in] SocketTopologyPtr Point to the address of Socket Topology
*
*/
VOID
STATIC
AcpiSlitHBufferFind (
IN OUT AMD_CONFIG_PARAMS *StdHeader,
IN UINT8 **SocketTopologyPtr
)
{
LOCATE_HEAP_PTR LocateBuffer;
LocateBuffer.BufferHandle = HOP_COUNT_TABLE_HANDLE;
if (HeapLocateBuffer (&LocateBuffer, StdHeader) == AGESA_SUCCESS) {
*SocketTopologyPtr = (UINT8 *) LocateBuffer.BufferPtr;
}
return;
}
/* -----------------------------------------------------------------------------*/
/**
* ReleaseSlitBufferStub
*
* Description:
* This is the default routine for use when the SLIT option is NOT requested.
*
* Parameters:
* @param[in, out] *StdHeader
*
* @retval AGESA_STATUS
*
*/
AGESA_STATUS
ReleaseSlitBufferStub (
IN OUT AMD_CONFIG_PARAMS *StdHeader
)
{
return AGESA_UNSUPPORTED;
}
/* -----------------------------------------------------------------------------*/
/**
* ReleaseSlitBuffer
*
* Description:
* Deallocate SLIT buffer
*
* Parameters:
* @param[in, out] *StdHeader
*
* @retval AGESA_STATUS
*
*/
AGESA_STATUS
ReleaseSlitBuffer (
IN OUT AMD_CONFIG_PARAMS *StdHeader
)
{
HeapDeallocateBuffer ((UINT32) HOP_COUNT_TABLE_HANDLE, StdHeader);
return AGESA_SUCCESS;
}