| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD Family_16 Kabini after warm reset sequence for NB P-states |
| * |
| * Performs the "NB COF and VID Transition Sequence After Warm Reset" |
| * as described in the BKDG. |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: CPU/Family/0x16/KB |
| * @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. |
| ****************************************************************************** |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * M O D U L E S U S E D |
| *---------------------------------------------------------------------------------------- |
| */ |
| #include "AGESA.h" |
| #include "amdlib.h" |
| #include "cpuF16PowerMgmt.h" |
| #include "F16KbPowerMgmt.h" |
| #include "cpuRegisters.h" |
| #include "cpuApicUtilities.h" |
| #include "cpuFamilyTranslation.h" |
| #include "GeneralServices.h" |
| #include "cpuServices.h" |
| #include "F16KbNbAfterReset.h" |
| #include "Gnb.h" |
| #include "GnbPcie.h" |
| #include "GnbHandleLib.h" |
| #include "GnbRegisterAccKB.h" |
| #include "GnbRegistersKB.h" |
| #include "Filecode.h" |
| CODE_GROUP (G3_DXE) |
| RDATA_GROUP (G3_DXE) |
| |
| #define FILECODE PROC_CPU_FAMILY_0X16_KB_F16KBNBAFTERRESET_FILECODE |
| |
| /*---------------------------------------------------------------------------------------- |
| * D E F I N I T I O N S A N D M A C R O S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * 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 |
| F16KbPmNbAfterResetOnCore ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| VOID |
| STATIC |
| TransitionToNbLow ( |
| IN PCI_ADDR PciAddress, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| VOID |
| STATIC |
| TransitionToNbHigh ( |
| IN PCI_ADDR PciAddress, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| VOID |
| STATIC |
| WaitForNbTransitionToComplete ( |
| IN PCI_ADDR PciAddress, |
| IN UINT32 PstateIndex, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| /*---------------------------------------------------------------------------------------- |
| * E X P O R T E D F U N C T I O N S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Family 16h Kabini core 0 entry point for performing the necessary steps after |
| * a warm reset has occurred. |
| * |
| * The steps are as follows: |
| * |
| * 1. Temp1=D18F5x170[SwNbPstateLoDis]. |
| * 2. Temp2=D18F5x170[NbPstateDisOnP0]. |
| * 3. Temp3=D18F5x170[NbPstateThreshold]. |
| * 4. Temp4=D18F5x170[NbPstateGnbSlowDis]. |
| * 5. If MSRC001_0070[NbPstate]=0, go to step 6. If MSRC001_0070[NbPstate]=1, go to step 11. |
| * 6. Write 1 to D18F5x170[NbPstateGnbSlowDis]. |
| * 7. Write 0 to D18F5x170[SwNbPstateLoDis, NbPstateDisOnP0, NbPstateThreshold]. |
| * 8. Wait for D18F5x174[CurNbPstate] = D18F5x170[NbPstateLo] and D18F5x174[CurNbFid, CurNb- |
| * Did]=[NbFid, NbDid] from D18F5x1[6C:60] indexed by D18F5x170[NbPstateLo]. |
| * 9. Set D18F5x170[SwNbPstateLoDis]=1. |
| * 10. Wait for D18F5x174[CurNbPstate] = D18F5x170[NbPstateHi] and D18F5x174[CurNbFid, CurNb- |
| * Did]=[NbFid, NbDid] from D18F5x1[6C:60] indexed by D18F5x170[NbPstateHi]. Go to step 15. |
| * 11. Write 1 to D18F5x170[SwNbPstateLoDis]. |
| * 12. Wait for D18F5x174[CurNbPstate] = D18F5x170[NbPstateHi] and D18F5x174[CurNbFid, CurNb- |
| * Did]=[NbFid, NbDid] from D18F5x1[6C:60] indexed by D18F5x170[NbPstateHi]. |
| * 13. Write 0 to D18F5x170[SwNbPstateLoDis, NbPstateDisOnP0, NbPstateThreshold]. |
| * 14. Wait for D18F5x174[CurNbPstate] = D18F5x170[NbPstateLo] and D18F5x174[CurNbFid, CurNb- |
| * Did]=[NbFid, NbDid] from D18F5x1[6C:60] indexed by D18F5x170[NbPstateLo]. |
| * 15. Set D18F5x170[SwNbPstateLoDis]=Temp1, D18F5x170[NbPstateDisOnP0]=Temp2, D18F5x170[NbP- |
| * stateThreshold]=Temp3, and D18F5x170[NbPstateGnbSlowDis]=Temp4. |
| * |
| * @param[in] FamilySpecificServices The current Family Specific Services. |
| * @param[in] CpuEarlyParamsPtr Service parameters |
| * @param[in] StdHeader Config handle for library and services. |
| * |
| */ |
| VOID |
| F16KbPmNbAfterReset ( |
| IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, |
| IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT32 Socket; |
| UINT32 Module; |
| UINT32 Core; |
| UINT32 TaskedCore; |
| UINT32 Ignored; |
| AP_TASK TaskPtr; |
| AGESA_STATUS IgnoredSts; |
| |
| IDS_HDT_CONSOLE (CPU_TRACE, " F16KbPmNbAfterReset\n"); |
| |
| IdentifyCore (StdHeader, &Socket, &Module, &Core, &IgnoredSts); |
| |
| ASSERT (Core == 0); |
| |
| // Launch one core per node. |
| TaskPtr.FuncAddress.PfApTask = F16KbPmNbAfterResetOnCore; |
| TaskPtr.DataTransfer.DataSizeInDwords = 0; |
| TaskPtr.ExeFlags = WAIT_FOR_CORE; |
| for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { |
| if (GetGivenModuleCoreRange (Socket, Module, &TaskedCore, &Ignored, StdHeader)) { |
| if (TaskedCore != 0) { |
| ApUtilRunCodeOnSocketCore ((UINT8) Socket, (UINT8) TaskedCore, &TaskPtr, StdHeader); |
| } |
| } |
| } |
| ApUtilTaskOnExecutingCore (&TaskPtr, StdHeader, (VOID *) CpuEarlyParamsPtr); |
| } |
| |
| /*--------------------------------------------------------------------------------------- |
| * L O C A L F U N C T I O N S |
| *--------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Support routine for F16KbPmNbAfterReset to perform MSR initialization on one |
| * core of each die in a family 16h socket. |
| * |
| * This function implements steps 1 - 15 on each core. |
| * |
| * @param[in] StdHeader Config handle for library and services. |
| * |
| */ |
| VOID |
| STATIC |
| F16KbPmNbAfterResetOnCore ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT32 NbPsCtrlOnEntry; |
| UINT32 NbPsCtrlOnExit; |
| UINT64 LocalMsrRegister; |
| PCI_ADDR PciAddress; |
| |
| IDS_HDT_CONSOLE (CPU_TRACE, " F16KbPmNbAfterResetOnCore\n"); |
| |
| // 1. Temp1 = D18F5x170[SwNbPstateLoDis]. |
| // 2. Temp2 = D18F5x170[NbPstateDisOnP0]. |
| // 3. Temp3 = D18F5x170[NbPstateThreshold]. |
| // 4. Temp4 = D18F5x170[NbPstateGnbSlowDis]. |
| PciAddress.AddressValue = NB_PSTATE_CTRL_PCI_ADDR; |
| LibAmdPciRead (AccessWidth32, PciAddress, &NbPsCtrlOnEntry, StdHeader); |
| |
| // Check if NB P-states were disabled, and if so, prevent any changes from occurring. |
| if (((NB_PSTATE_CTRL_REGISTER *) &NbPsCtrlOnEntry)->SwNbPstateLoDis == 0) { |
| // 5. If MSRC001_0070[NbPstate] = 1, go to step 11 |
| LibAmdMsrRead (MSR_COFVID_CTL, &LocalMsrRegister, StdHeader); |
| if (((COFVID_CTRL_MSR *) &LocalMsrRegister)->NbPstate == 0) { |
| // 6. Write 1 to D18F5x170[NbPstateGnbSlowDis]. |
| PciAddress.AddressValue = NB_PSTATE_CTRL_PCI_ADDR; |
| LibAmdPciRead (AccessWidth32, PciAddress, &NbPsCtrlOnExit, StdHeader); |
| ((NB_PSTATE_CTRL_REGISTER *) &NbPsCtrlOnExit)->NbPstateGnbSlowDis = 1; |
| LibAmdPciWrite (AccessWidth32, PciAddress, &NbPsCtrlOnExit, StdHeader); |
| |
| // 7. Write 0 to D18F5x170[SwNbPstateLoDis, NbPstateDisOnP0, NbPstateThreshold]. |
| // 8. Wait for D18F5x174[CurNbPstate] = D18F5x170[NbPstateLo] and D18F5x174[CurNbFid, |
| // CurNbDid] = [NbFid, NbDid] from D18F5x1[6C:60] indexed by D18F5x170[NbPstateLo]. |
| TransitionToNbLow (PciAddress, StdHeader); |
| |
| // 9. Set D18F5x170[SwNbPstateLoDis] = 1. |
| // 10. Wait for D18F5x174[CurNbPstate] = D18F5x170[NbPstateHi] and D18F5x174[CurNbFid, |
| // CurNbDid] = [NbFid, NbDid] from D18F5x1[6C:60] indexed by D18F5x170[NbPstateHi]. |
| // Go to step 15. |
| TransitionToNbHigh (PciAddress, StdHeader); |
| } else { |
| // 11. Set D18F5x170[SwNbPstateLoDis] = 1. |
| // 12. Wait for D18F5x174[CurNbPstate] = D18F5x170[NbPstateHi] and D18F5x174[CurNbFid, |
| // CurNbDid] = [NbFid, NbDid] from D18F5x1[6C:60] indexed by D18F5x170[NbPstateHi]. |
| TransitionToNbHigh (PciAddress, StdHeader); |
| |
| // 13. Write 0 to D18F5x170[SwNbPstateLoDis, NbPstateDisOnP0, NbPstateThreshold]. |
| // 14. Wait for D18F5x174[CurNbPstate] = D18F5x170[NbPstateLo] and D18F5x174[CurNbFid, |
| // CurNbDid] = [NbFid, NbDid] from D18F5x1[6C:60] indexed by D18F5x170[NbPstateLo]. |
| TransitionToNbLow (PciAddress, StdHeader); |
| } |
| |
| // 15. Set D18F5x170[SwNbPstateLoDis]=Temp1, D18F5x170[NbPstateDisOnP0]=Temp2, D18F5x170[NbP- |
| // stateThreshold]=Temp3, and D18F5x170[NbPstateGnbSlowDis]=Temp4. |
| LibAmdPciRead (AccessWidth32, PciAddress, &NbPsCtrlOnExit, StdHeader); |
| ((NB_PSTATE_CTRL_REGISTER *) &NbPsCtrlOnExit)->SwNbPstateLoDis = ((NB_PSTATE_CTRL_REGISTER *) &NbPsCtrlOnEntry)->SwNbPstateLoDis; |
| ((NB_PSTATE_CTRL_REGISTER *) &NbPsCtrlOnExit)->NbPstateDisOnP0 = ((NB_PSTATE_CTRL_REGISTER *) &NbPsCtrlOnEntry)->NbPstateDisOnP0; |
| ((NB_PSTATE_CTRL_REGISTER *) &NbPsCtrlOnExit)->NbPstateThreshold = ((NB_PSTATE_CTRL_REGISTER *) &NbPsCtrlOnEntry)->NbPstateThreshold; |
| ((NB_PSTATE_CTRL_REGISTER *) &NbPsCtrlOnExit)->NbPstateGnbSlowDis = ((NB_PSTATE_CTRL_REGISTER *) &NbPsCtrlOnEntry)->NbPstateGnbSlowDis; |
| LibAmdPciWrite (AccessWidth32, PciAddress, &NbPsCtrlOnExit, StdHeader); |
| } |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Support routine for F16KbPmNbAfterResetOnCore to transition to the low NB P-state. |
| * |
| * This function implements steps 7, 8, 13, and 14 as needed. |
| * |
| * @param[in] PciAddress Segment, bus, device number of the node to transition. |
| * @param[in] StdHeader Config handle for library and services. |
| * |
| */ |
| VOID |
| STATIC |
| TransitionToNbLow ( |
| IN PCI_ADDR PciAddress, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| NB_PSTATE_CTRL_REGISTER NbPsCtrl; |
| |
| IDS_HDT_CONSOLE (CPU_TRACE, " TransitionToNbLow\n"); |
| |
| // 7/13. Write 0 to D18F5x170[SwNbPstateLoDis, NbPstateDisOnP0, NbPstateThreshold]. |
| PciAddress.AddressValue = NB_PSTATE_CTRL_PCI_ADDR; |
| LibAmdPciRead (AccessWidth32, PciAddress, &NbPsCtrl, StdHeader); |
| NbPsCtrl.SwNbPstateLoDis = 0; |
| NbPsCtrl.NbPstateDisOnP0 = 0; |
| NbPsCtrl.NbPstateThreshold = 0; |
| LibAmdPciWrite (AccessWidth32, PciAddress, &NbPsCtrl, StdHeader); |
| |
| // 8/14. Wait for D18F5x174[CurNbPstate] = D18F5x170[NbPstateLo] and D18F5x174[CurNbFid, |
| // CurNbDid] = [NbFid, NbDid] from D18F5x1[6C:60] indexed by D18F5x170[NbPstateLo]. |
| WaitForNbTransitionToComplete (PciAddress, NbPsCtrl.NbPstateLo, StdHeader); |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Support routine for F16KbPmNbAfterResetOnCore to transition to the high NB P-state. |
| * |
| * This function implements steps 9, 10, 11, and 12 as needed. |
| * |
| * @param[in] PciAddress Segment, bus, device number of the node to transition. |
| * @param[in] StdHeader Config handle for library and services. |
| * |
| */ |
| VOID |
| STATIC |
| TransitionToNbHigh ( |
| IN PCI_ADDR PciAddress, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| NB_PSTATE_CTRL_REGISTER NbPsCtrl; |
| |
| IDS_HDT_CONSOLE (CPU_TRACE, " TransitionToNbHigh\n"); |
| |
| // 9/10. Set D18F5x170[SwNbPstateLoDis] = 1. |
| PciAddress.AddressValue = NB_PSTATE_CTRL_PCI_ADDR; |
| LibAmdPciRead (AccessWidth32, PciAddress, &NbPsCtrl, StdHeader); |
| NbPsCtrl.SwNbPstateLoDis = 1; |
| LibAmdPciWrite (AccessWidth32, PciAddress, &NbPsCtrl, StdHeader); |
| |
| // 11/12. Wait for D18F5x174[CurNbPstate] = D18F5x170[NbPstateHi] and D18F5x174[CurNbFid, |
| // CurNbDid] = [NbFid, NbDid] from D18F5x1[6C:60] indexed by D18F5x170[NbPstateHi]. |
| WaitForNbTransitionToComplete (PciAddress, NbPsCtrl.NbPstateHi, StdHeader); |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Support routine for F16KbPmAfterResetCore to wait for NB FID and DID to |
| * match a specific P-state. |
| * |
| * This function implements steps 8, 10, 12, and 14 as needed. |
| * |
| * @param[in] PciAddress Segment, bus, device number of the node to transition. |
| * @param[in] PstateIndex P-state settings to match. |
| * @param[in] StdHeader Config handle for library and services. |
| * |
| */ |
| VOID |
| STATIC |
| WaitForNbTransitionToComplete ( |
| IN PCI_ADDR PciAddress, |
| IN UINT32 PstateIndex, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| NB_PSTATE_REGISTER TargetNbPs; |
| NB_PSTATE_STS_REGISTER NbPsSts; |
| |
| IDS_HDT_CONSOLE (CPU_TRACE, " WaitForNbTransitionToComplete\n"); |
| |
| PciAddress.Address.Function = FUNC_5; |
| PciAddress.Address.Register = NB_PSTATE_0 + (PstateIndex << 2); |
| LibAmdPciRead (AccessWidth32, PciAddress, &TargetNbPs, StdHeader); |
| PciAddress.Address.Register = NB_PSTATE_STATUS; |
| do { |
| LibAmdPciRead (AccessWidth32, PciAddress, &NbPsSts, StdHeader); |
| } while ((NbPsSts.CurNbPstate != PstateIndex || |
| (NbPsSts.CurNbFid != TargetNbPs.NbFid)) || |
| (NbPsSts.CurNbDid != TargetNbPs.NbDid)); |
| } |