diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieInitLibV1/PciePowerMgmt.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieInitLibV1/PciePowerMgmt.c | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieInitLibV1/PciePowerMgmt.c b/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieInitLibV1/PciePowerMgmt.c deleted file mode 100644 index cf9d127cb8..0000000000 --- a/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbPcieInitLibV1/PciePowerMgmt.c +++ /dev/null @@ -1,391 +0,0 @@ -/* $NoKeywords:$ */ -/** - * @file - * - * Power saving features/services - * - * - * - * @xrefitem bom "File Content Label" "Release Content" - * @e project: AGESA - * @e sub-project: GNB - * @e \$Revision: 49532 $ @e \$Date: 2011-03-25 02:54:43 +0800 (Fri, 25 Mar 2011) $ - * - */ -/* -***************************************************************************** -* -* 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. -* *************************************************************************** -* -*/ - -/*---------------------------------------------------------------------------------------- - * M O D U L E S U S E D - *---------------------------------------------------------------------------------------- - */ -#include "AGESA.h" -#include "Ids.h" -#include "amdlib.h" -#include "Gnb.h" -#include "GnbPcie.h" -#include "GnbCommonLib.h" -#include "GnbPcieConfig.h" -#include "GnbPcieInitLibV1.h" -#include "GnbRegistersLN.h" -#include "Filecode.h" -#define FILECODE PROC_GNB_MODULES_GNBPCIEINITLIBV1_PCIEPOWERMGMT_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 - *---------------------------------------------------------------------------------------- - */ - -/*----------------------------------------------------------------------------------------*/ -/** - * Power down unused lanes and plls - * - * - * @param[in] Wrapper Pointer to wrapper config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - */ - -VOID -PciePwrPowerDownUnusedLanes ( - IN PCIe_WRAPPER_CONFIG *Wrapper, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT32 UnusedLanes; - IDS_HDT_CONSOLE (GNB_TRACE, "PciePwrPowerDownUnusedLanes Enter\n"); - if (Wrapper->Features.PowerOffUnusedLanes != 0) { - UnusedLanes = PcieUtilGetWrapperLaneBitMap (LANE_TYPE_CORE_ALL, LANE_TYPE_PCIE_CORE_ALLOC_ACTIVE, Wrapper); - PcieTopologyLaneControl ( - DisableLanes, - UnusedLanes, - Wrapper, - Pcie - ); - } - if (Wrapper->Features.PowerOffUnusedPlls != 0) { - UnusedLanes = PcieUtilGetWrapperLaneBitMap (LANE_TYPE_PHY_NATIVE_ALL, LANE_TYPE_PCIE_PHY_NATIVE_ALLOC_ACTIVE | LANE_TYPE_DDI_PHY_NATIVE_ACTIVE, Wrapper); - PciePifPllPowerDown ( - UnusedLanes, - Wrapper, - Pcie - ); - } - IDS_HDT_CONSOLE (GNB_TRACE, "PciePwrPowerDownUnusedLanes Exit\n"); -} - - -/*----------------------------------------------------------------------------------------*/ -/** - * Lane bitmam to enable PLL power down in L1 - * - * - * @param[in] PllPowerUpLatency Pointer to wrapper config descriptor - * @param[in] Wrapper Pointer to wrapper config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - * @retval Lane bitmap for which PLL can be powered down in L1 - */ - -UINT32 -PcieLanesToPowerDownPllInL1 ( - IN UINT8 PllPowerUpLatency, - IN PCIe_WRAPPER_CONFIG *Wrapper, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT8 LaneGroupExitLatency [4]; - UINT32 LaneBitmapForPllOffInL1; - PCIe_ENGINE_CONFIG *EngineList; - UINTN Index; - IDS_HDT_CONSOLE (GNB_TRACE, "PcieLanesToPowerDownPllInL1 Enter\n"); - LaneBitmapForPllOffInL1 = 0; - if (PcieUtilGetWrapperLaneBitMap (LANE_TYPE_PCIE_PHY_NATIVE_ALLOC_ACTIVE | LANE_TYPE_PCIE_PHY_NATIVE_HOTPLUG, 0, Wrapper) != 0) { - if (Wrapper->Features.PllOffInL1 != 0) { - LibAmdMemFill (&LaneGroupExitLatency[0], 0xFF, sizeof (LaneGroupExitLatency), GnbLibGetHeader (Pcie)); - EngineList = PcieConfigGetChildEngine (Wrapper); - while (EngineList != NULL) { - PCIe_ASPM_LATENCY_INFO LinkLatencyInfo; - UINT32 ActiveLanesBitmap; - UINT32 HotplugLanesBitmap; - if (EngineList->EngineData.EngineType == PciePortEngine) { - LinkLatencyInfo.MaxL1ExitLatency = 0; - LinkLatencyInfo.MaxL0sExitLatency = 0; - ActiveLanesBitmap = PcieUtilGetEngineLaneBitMap (LANE_TYPE_PCIE_PHY_NATIVE_ALLOC_ACTIVE, 0, EngineList); - HotplugLanesBitmap = PcieUtilGetEngineLaneBitMap (LANE_TYPE_PCIE_PHY_NATIVE_HOTPLUG, 0, EngineList); - if (ActiveLanesBitmap != 0 && HotplugLanesBitmap == 0 && !PcieConfigIsSbPcieEngine (EngineList)) { - PcieAspmGetMaxExitLatency (EngineList->Type.Port.Address, &LinkLatencyInfo, GnbLibGetHeader (Pcie)); - } - if (HotplugLanesBitmap != 0 || PcieConfigIsSbPcieEngine (EngineList)) { - LinkLatencyInfo.MaxL1ExitLatency = 0xff; - } - IDS_HDT_CONSOLE (GNB_TRACE, " Engine %d Active Lanes 0x%x, Hotplug Lanes 0x%x\n", EngineList->Type.Port.NativeDevNumber, ActiveLanesBitmap, HotplugLanesBitmap); - for (Index = 0; Index < 4; Index++) { - if ((ActiveLanesBitmap & (0xF << (Index * 4))) != 0) { - if (LaneGroupExitLatency [Index] > LinkLatencyInfo.MaxL1ExitLatency) { - IDS_HDT_CONSOLE (GNB_TRACE, " Index %d Latency %d\n", Index, LinkLatencyInfo.MaxL1ExitLatency); - LaneGroupExitLatency [Index] = LinkLatencyInfo.MaxL1ExitLatency; - } - } - } - } - EngineList = PcieLibGetNextDescriptor (EngineList); - } - LaneBitmapForPllOffInL1 = 0; - for (Index = 0; Index < 4; Index++) { - IDS_HDT_CONSOLE (GNB_TRACE, " Index %d Final Latency %d\n", Index, LaneGroupExitLatency[Index]); - if (LaneGroupExitLatency[Index] > PllPowerUpLatency) { - LaneBitmapForPllOffInL1 |= (0xF << (Index * 4)); - } - } - } - } - IDS_HDT_CONSOLE (GNB_TRACE, " Lane bitmap %04x\n", LaneBitmapForPllOffInL1); - IDS_HDT_CONSOLE (GNB_TRACE, "PcieLanesToPowerDownPllInL1 Exit\n"); - return LaneBitmapForPllOffInL1; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Auto-Power Down electrical Idle detector - * - * - * @param[in] Wrapper Pointer to wrapper config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - */ - -VOID -PciePwrAutoPowerDownElectricalIdleDetector ( - IN PCIe_WRAPPER_CONFIG *Wrapper, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - UINT8 Pif; - IDS_HDT_CONSOLE (GNB_TRACE, "PciePwrAutoPowerDownElectricalIdleDetector Enter\n"); - for (Pif = 0; Pif < Wrapper->NumberOfPIFs; Pif++) { - PcieRegisterWriteField ( - Wrapper, - PIF_SPACE (Wrapper->WrapId, Pif, D0F0xE4_PIF_0010_ADDRESS), - D0F0xE4_PIF_0010_EiDetCycleMode_OFFSET, - D0F0xE4_PIF_0010_EiDetCycleMode_WIDTH, - 0x0, - TRUE, - Pcie - ); - - PcieRegisterWriteField ( - Wrapper, - PIF_SPACE (Wrapper->WrapId, Pif, D0F0xE4_PIF_0010_ADDRESS), - D0F0xE4_PIF_0010_EiCycleOffTime_OFFSET, - D0F0xE4_PIF_0010_EiCycleOffTime_WIDTH, - 0x2, - TRUE, - Pcie - ); - - PcieRegisterWriteField ( - Wrapper, - PIF_SPACE (Wrapper->WrapId, Pif, D0F0xE4_PIF_0010_ADDRESS), - D0F0xE4_PIF_0010_EiDetCycleMode_OFFSET, - D0F0xE4_PIF_0010_EiDetCycleMode_WIDTH, - 0x1, - TRUE, - Pcie - ); - } - IDS_HDT_CONSOLE (GNB_TRACE, "PciePwrAutoPowerDownElectricalIdleDetector Exit\n"); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Clock gating - * - * - * - * @param[in] Wrapper Pointer to wrapper config descriptor - * @param[in] Pcie Pointer to global PCIe configuration - */ - -VOID -PciePwrClockGating ( - IN PCIe_WRAPPER_CONFIG *Wrapper, - IN PCIe_PLATFORM_CONFIG *Pcie - ) -{ - D0F0xE4_WRAP_8011_STRUCT D0F0xE4_WRAP_8011; - D0F0xE4_WRAP_8012_STRUCT D0F0xE4_WRAP_8012; - D0F0xE4_WRAP_8014_STRUCT D0F0xE4_WRAP_8014; - D0F0xE4_WRAP_8015_STRUCT D0F0xE4_WRAP_8015; - D0F0xE4_WRAP_8016_STRUCT D0F0xE4_WRAP_8016; - UINT8 CoreId; - IDS_HDT_CONSOLE (GNB_TRACE, "PciePwrClockGating Enter\n"); - D0F0xE4_WRAP_8014.Value = PcieRegisterRead ( - Wrapper, - WRAP_SPACE (Wrapper->WrapId, D0F0xE4_WRAP_8014_ADDRESS), - Pcie - ); - D0F0xE4_WRAP_8015.Value = PcieRegisterRead ( - Wrapper, - WRAP_SPACE (Wrapper->WrapId, D0F0xE4_WRAP_8015_ADDRESS), - Pcie - ); - - D0F0xE4_WRAP_8012.Value = PcieRegisterRead ( - Wrapper, - WRAP_SPACE (Wrapper->WrapId, D0F0xE4_WRAP_8012_ADDRESS), - Pcie - ); - - D0F0xE4_WRAP_8011.Value = PcieRegisterRead ( - Wrapper, - WRAP_SPACE (Wrapper->WrapId, D0F0xE4_WRAP_8011_ADDRESS), - Pcie - ); - - if (Wrapper->Features.ClkGating == 0x1) { - D0F0xE4_WRAP_8014.Field.TxclkPermGateEnable = 0x1; - D0F0xE4_WRAP_8014.Field.TxclkPrbsGateEnable = 0x1; - - D0F0xE4_WRAP_8014.Field.PcieGatePifA1xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.PcieGatePifB1xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.PcieGatePifC1xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.PcieGatePifD1xEnable = 0x1; - - D0F0xE4_WRAP_8014.Field.PcieGatePifA2p5xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.PcieGatePifB2p5xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.PcieGatePifC2p5xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.PcieGatePifD2p5xEnable = 0x1; - - - D0F0xE4_WRAP_8011.Field.TxclkDynGateEnable = 0x1; - D0F0xE4_WRAP_8011.Field.TxclkRegsGateEnable = 0x1; - D0F0xE4_WRAP_8011.Field.TxclkLcntGateEnable = 0x1; - D0F0xE4_WRAP_8011.Field.RcvrDetClkEnable = 0x1; - D0F0xE4_WRAP_8011.Field.TxclkPermGateEven = 0x1; - D0F0xE4_WRAP_8011.Field.TxclkDynGateLatency = 0x3f; - D0F0xE4_WRAP_8011.Field.TxclkRegsGateLatency = 0x3f; - D0F0xE4_WRAP_8011.Field.TxclkPermGateLatency = 0x3f; - - D0F0xE4_WRAP_8012.Field.Pif2p5xIdleResumeLatency = 0x7; - D0F0xE4_WRAP_8012.Field.Pif2p5xIdleGateEnable = 0x1; - D0F0xE4_WRAP_8012.Field.Pif2p5xIdleGateLatency = 0x1; - D0F0xE4_WRAP_8012.Field.Pif1xIdleResumeLatency = 0x7; - D0F0xE4_WRAP_8012.Field.Pif1xIdleGateEnable = 0x1; - D0F0xE4_WRAP_8012.Field.Pif1xIdleGateLatency = 0x1; - - D0F0xE4_WRAP_8015.Field.RefclkBphyGateEnable = 0x1; - D0F0xE4_WRAP_8015.Field.RefclkBphyGateLatency = 0x0; - D0F0xE4_WRAP_8015.Field.RefclkRegsGateEnable = 0x1; - D0F0xE4_WRAP_8015.Field.RefclkRegsGateLatency = 0x3f; - - D0F0xE4_WRAP_8014.Field.DdiGateDigAEnable = 0x1; - D0F0xE4_WRAP_8014.Field.DdiGateDigBEnable = 0x1; - D0F0xE4_WRAP_8014.Field.DdiGatePifA1xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.DdiGatePifB1xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.DdiGatePifC1xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.DdiGatePifD1xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.DdiGatePifA2p5xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.DdiGatePifB2p5xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.DdiGatePifC2p5xEnable = 0x1; - D0F0xE4_WRAP_8014.Field.DdiGatePifD2p5xEnable = 0x1; - } - if (Wrapper->Features.TxclkGatingPllPowerDown == 0x1) { - D0F0xE4_WRAP_8014.Field.TxclkPermGateOnlyWhenPllPwrDn = 0x1; - } - PcieRegisterWrite ( - Wrapper, - WRAP_SPACE (Wrapper->WrapId, D0F0xE4_WRAP_8014_ADDRESS), - D0F0xE4_WRAP_8014.Value, - TRUE, - Pcie - ); - PcieRegisterWrite ( - Wrapper, - WRAP_SPACE (Wrapper->WrapId, D0F0xE4_WRAP_8015_ADDRESS), - D0F0xE4_WRAP_8015.Value, - TRUE, - Pcie - ); - PcieRegisterWrite ( - Wrapper, - WRAP_SPACE (Wrapper->WrapId, D0F0xE4_WRAP_8012_ADDRESS), - D0F0xE4_WRAP_8012.Value, - TRUE, - Pcie - ); - PcieRegisterWrite ( - Wrapper, - WRAP_SPACE (Wrapper->WrapId, D0F0xE4_WRAP_8011_ADDRESS), - D0F0xE4_WRAP_8011.Value, - TRUE, - Pcie - ); - for (CoreId = Wrapper->StartPcieCoreId; CoreId <= Wrapper->EndPcieCoreId; CoreId++) { - PcieRegisterWriteField ( - Wrapper, - CORE_SPACE (CoreId, D0F0xE4_CORE_0011_ADDRESS), - D0F0xE4_CORE_0011_DynClkLatency_OFFSET, - D0F0xE4_CORE_0011_DynClkLatency_WIDTH, - 0xf, - TRUE, - Pcie - ); - } - if (Wrapper->Features.LclkGating == 0x1) { - D0F0xE4_WRAP_8016.Value = PcieRegisterRead ( - Wrapper, - WRAP_SPACE (Wrapper->WrapId, D0F0xE4_WRAP_8016_ADDRESS), - Pcie - ); - D0F0xE4_WRAP_8016.Field.LclkDynGateEnable = 0x1; - D0F0xE4_WRAP_8016.Field.LclkGateFree = 0x1; - PcieRegisterWrite ( - Wrapper, - WRAP_SPACE (Wrapper->WrapId, D0F0xE4_WRAP_8016_ADDRESS), - D0F0xE4_WRAP_8016.Value, - TRUE, - Pcie - ); - } - IDS_HDT_CONSOLE (GNB_TRACE, "PciePwrClockGating Exit\n"); -} - - |