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/* $NoKeywords:$ */
/**
* @file
*
* Northbridge utility routines.
*
* These routines are needed for support of more than one feature area.
* Collect them in this file so build options don't remove them.
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: HyperTransport
* @e \$Revision: 44325 $ @e \$Date: 2010-12-22 03:29:53 -0700 (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.
*
* ***************************************************************************
*
*/
/*
*----------------------------------------------------------------------------
* MODULES USED
*
*----------------------------------------------------------------------------
*/
#include "AGESA.h"
#include "amdlib.h"
#include "Ids.h"
#include "Topology.h"
#include "htFeat.h"
#include "htNb.h"
#include "htNbHardwareFam10.h"
#include "htNbUtilitiesFam14.h"
#include "Filecode.h"
#define FILECODE PROC_HT_FAM14_HTNBUTILITIESFAM14_FILECODE
/*----------------------------------------------------------------------------
* DEFINITIONS AND MACROS
*
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------*/
/**
* Return the number of cores (1 based count) on Node.
*
* @HtNbMethod{::F_GET_NUM_CORES_ON_NODE}
*
* @param[in] Node the Node that will be examined
* @param[in] Nb this northbridge
*
* @return the number of cores
*/
UINT8
Fam14GetNumCoresOnNode (
IN UINT8 Node,
IN NORTHBRIDGE *Nb
)
{
UINT32 Cores;
PCI_ADDR Reg;
ASSERT ((Node < MAX_NODES));
// Read CmpCap
Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node),
MakePciBusFromNode (Node),
MakePciDeviceFromNode (Node),
CPU_NB_FUNC_03,
REG_NB_CAPABILITY_3XE8);
LibAmdPciReadBits (Reg, 13, 12, &Cores, Nb->ConfigHandle);
return (UINT8) (Cores + 1);
}
/*----------------------------------------------------------------------------------------*/
/**
* Get the Count (1 based) of Nodes in the system.
*
* @HtNbMethod{::F_GET_NODE_COUNT}
*
* This is intended to support AP Core HT init, since the Discovery State data is not
* available (State->NodesDiscovered), there needs to be this way to find the number
* of Nodes, which is just one.
*
* @param[in] Nb this northbridge
*
* @return The number of nodes
*/
UINT8
Fam14GetNodeCount (
IN NORTHBRIDGE *Nb
)
{
ASSERT (Nb != NULL);
return (1);
}
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