| /* $NoKeywords:$ */ |
| /** |
| * @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: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. |
| * |
| * AMD is granting you permission to use this software (the Materials) |
| * pursuant to the terms and conditions of your Software License Agreement |
| * with AMD. This header does *NOT* give you permission to use the Materials |
| * or any rights under AMD's intellectual property. Your use of any portion |
| * of these Materials shall constitute your acceptance of those terms and |
| * conditions. If you do not agree to the terms and conditions of the Software |
| * License Agreement, please do not use any portion of these Materials. |
| * |
| * CONFIDENTIALITY: The Materials and all other information, identified as |
| * confidential and provided to you by AMD shall be kept confidential in |
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| * |
| * LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION |
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| * You agree that you will not reverse engineer or decompile the Materials. |
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| * U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with |
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| * DFAR252.227-7013, et seq., or its successor. Use of the Materials by the |
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| * |
| * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any |
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| * government nor will be used for any purpose prohibited by the same. |
| * *************************************************************************** |
| * |
| */ |
| |
| /* |
| *---------------------------------------------------------------------------- |
| * MODULES USED |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| |
| |
| #include "AGESA.h" |
| #include "amdlib.h" |
| #include "Ids.h" |
| #include "Topology.h" |
| #include "htFeat.h" |
| #include "htNb.h" |
| #include "htNbCommonHardware.h" |
| #include "htNbUtilitiesFam15Mod1x.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_HT_FAM15MOD1X_HTNBUTILITIESFAM15MOD1X_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 |
| Fam15Mod1xSetTotalCores ( |
| 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 |
| Fam15Mod1xGetNumCoresOnNode ( |
| 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 |
| Fam15Mod1xGetNodeCount ( |
| 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 |
| Fam15Mod1xGetEnabledComputeUnits ( |
| 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, 1, 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 |
| Fam15Mod1xGetDualcoreComputeUnits ( |
| 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, 17, 16, &Dual, Nb->ConfigHandle); |
| return ((UINT8) Dual); |
| } |