| /* $NoKeywords:$ */ |
| /** |
| * @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: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * Copyright (c) 2008 - 2013, 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 "htNbCommonHardware.h" |
| #include "htNbUtilitiesFam16.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_HT_FAM16_HTNBUTILITIESFAM16_FILECODE |
| /*---------------------------------------------------------------------------- |
| * DEFINITIONS AND MACROS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Write the total number of cores to the Node |
| * |
| * @HtNbMethod{::F_SET_TOTAL_NODES_AND_CORES} |
| * |
| * @param[in] Node the Node that will be examined |
| * @param[in] TotalNodes the total number of Nodes |
| * @param[in] TotalCores the total number of cores |
| * @param[in] Nb this northbridge |
| */ |
| VOID |
| Fam16SetTotalCores ( |
| IN UINT8 Node, |
| IN UINT8 TotalNodes, |
| IN UINT8 TotalCores, |
| IN NORTHBRIDGE *Nb |
| ) |
| { |
| PCI_ADDR NodeIDReg; |
| UINT32 Temp; |
| |
| NodeIDReg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), |
| MakePciBusFromNode (Node), |
| MakePciDeviceFromNode (Node), |
| CPU_HTNB_FUNC_00, |
| REG_NODE_ID_0X60); |
| |
| Temp = ((TotalCores - 1) & HTREG_NODE_CPUCNT_4_0); |
| LibAmdPciWriteBits (NodeIDReg, 20, 16, &Temp, Nb->ConfigHandle); |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * 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 |
| Fam16GetNumCoresOnNode ( |
| IN UINT8 Node, |
| IN NORTHBRIDGE *Nb |
| ) |
| { |
| UINT32 Result; |
| UINT32 Leveling; |
| UINT32 Cores; |
| UINT8 i; |
| PCI_ADDR Reg; |
| |
| ASSERT ((Node < MAX_NODES)); |
| // Read CmpCap |
| Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), |
| MakePciBusFromNode (Node), |
| MakePciDeviceFromNode (Node), |
| CPU_NB_FUNC_05, |
| REG_NB_CAPABILITY_2_5X84); |
| |
| LibAmdPciReadBits (Reg, 7, 0, &Result, Nb->ConfigHandle); |
| |
| // Support Downcoring |
| Cores = Result; |
| Cores++; |
| Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), |
| MakePciBusFromNode (Node), |
| MakePciDeviceFromNode (Node), |
| CPU_NB_FUNC_03, |
| REG_NB_DOWNCORE_3X190); |
| LibAmdPciReadBits (Reg, 31, 0, &Leveling, Nb->ConfigHandle); |
| for (i = 0; i < Cores; i++) { |
| if ((Leveling & ((UINT32) 1 << i)) != 0) { |
| Result--; |
| } |
| } |
| return (UINT8) (Result + 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 |
| Fam16GetNodeCount ( |
| IN NORTHBRIDGE *Nb |
| ) |
| { |
| ASSERT (Nb != NULL); |
| return (1); |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Get the enable compute unit status for this node. |
| * |
| * @HtNbMethod{::F_GET_ENABLED_COMPUTE_UNITS} |
| * |
| * @param[in] Node The node for which we want the enabled compute units. |
| * @param[in] Nb Our Northbridge. |
| * |
| * @return The Enabled Compute Unit value |
| */ |
| UINT8 |
| Fam16GetEnabledComputeUnits ( |
| IN UINT8 Node, |
| IN NORTHBRIDGE *Nb |
| ) |
| { |
| UINT32 Enabled; |
| PCI_ADDR Reg; |
| |
| ASSERT ((Node < MAX_NODES)); |
| |
| Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), |
| MakePciBusFromNode (Node), |
| MakePciDeviceFromNode (Node), |
| CPU_NB_FUNC_05, |
| REG_NB_COMPUTE_UNIT_5X80); |
| LibAmdPciReadBits (Reg, 3, 0, &Enabled, Nb->ConfigHandle); |
| return ((UINT8) Enabled); |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Get the dual core compute unit status for this node. |
| * |
| * @HtNbMethod{::PF_GET_DUALCORE_COMPUTE_UNITS} |
| * |
| * @param[in] Node The node for which we want the dual core status |
| * @param[in] Nb Our Northbridge. |
| * |
| * @return The dual core compute unit status. |
| */ |
| UINT8 |
| Fam16GetDualcoreComputeUnits ( |
| IN UINT8 Node, |
| IN NORTHBRIDGE *Nb |
| ) |
| { |
| UINT32 Dual; |
| PCI_ADDR Reg; |
| |
| ASSERT ((Node < MAX_NODES)); |
| |
| Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), |
| MakePciBusFromNode (Node), |
| MakePciDeviceFromNode (Node), |
| CPU_NB_FUNC_05, |
| REG_NB_COMPUTE_UNIT_5X80); |
| LibAmdPciReadBits (Reg, 19, 16, &Dual, Nb->ConfigHandle); |
| return ((UINT8) Dual); |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Get the triple core compute unit status for this node. |
| * |
| * @HtNbMethod{::PF_GET_TRIPLECORE_COMPUTE_UNITS} |
| * |
| * @param[in] Node The node for which we want the triple core status |
| * @param[in] Nb Our Northbridge. |
| * |
| * @return The triple core compute unit status. |
| */ |
| UINT8 |
| Fam16GetTriplecoreComputeUnits ( |
| IN UINT8 Node, |
| IN NORTHBRIDGE *Nb |
| ) |
| { |
| UINT32 Triple; |
| PCI_ADDR Reg; |
| |
| ASSERT ((Node < MAX_NODES)); |
| |
| Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), |
| MakePciBusFromNode (Node), |
| MakePciDeviceFromNode (Node), |
| CPU_NB_FUNC_05, |
| REG_NB_COMPUTE_UNIT_5X80); |
| LibAmdPciReadBits (Reg, 11, 8, &Triple, Nb->ConfigHandle); |
| return ((UINT8) Triple); |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Get the quad core compute unit status for this node. |
| * |
| * @HtNbMethod{::PF_GET_QUADCORE_COMPUTE_UNITS} |
| * |
| * @param[in] Node The node for which we want the quad core status |
| * @param[in] Nb Our Northbridge. |
| * |
| * @return The quad core compute unit status. |
| */ |
| UINT8 |
| Fam16GetQuadcoreComputeUnits ( |
| IN UINT8 Node, |
| IN NORTHBRIDGE *Nb |
| ) |
| { |
| UINT32 Quad; |
| PCI_ADDR Reg; |
| |
| ASSERT ((Node < MAX_NODES)); |
| |
| Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), |
| MakePciBusFromNode (Node), |
| MakePciDeviceFromNode (Node), |
| CPU_NB_FUNC_05, |
| REG_NB_COMPUTE_UNIT_5X80); |
| LibAmdPciReadBits (Reg, 27, 24, &Quad, Nb->ConfigHandle); |
| return ((UINT8) Quad); |
| } |