diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbPcieConfig/PcieConfigLib.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbPcieConfig/PcieConfigLib.c | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbPcieConfig/PcieConfigLib.c b/src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbPcieConfig/PcieConfigLib.c new file mode 100644 index 0000000000..616e1d5e2a --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbPcieConfig/PcieConfigLib.c @@ -0,0 +1,356 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * GNB function to create/locate PCIe configuration data area + * + * Contain code that create/locate and rebase configuration data area. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @e \$Revision: 39898 $ @e \$Date: 2010-10-15 17:08:45 -0400 (Fri, 15 Oct 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. + * + * *************************************************************************** + * + */ + +/*---------------------------------------------------------------------------------------- + * 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 "GnbPcieFamServices.h" +#include GNB_MODULE_DEFINITIONS (GnbCommonLib) +#include GNB_MODULE_DEFINITIONS (GnbPcieConfig) +#include "PcieMapTopology.h" +#include "Filecode.h" +#define FILECODE PROC_GNB_MODULES_GNBPCIECONFIG_PCIECONFIGLIB_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 + *---------------------------------------------------------------------------------------- + */ + +/*----------------------------------------------------------------------------------------*/ +/** + * Get number of core lanes + * + * + * + * @param[in] Engine Pointer to engine descriptor + * @retval Number of core lane + */ +UINT8 +PcieConfigGetNumberOfCoreLane ( + IN PCIe_ENGINE_CONFIG *Engine + ) +{ + if (Engine->Type.Port.StartCoreLane >= UNUSED_LANE_ID || Engine->Type.Port.EndCoreLane >= UNUSED_LANE_ID) { + return 0; + } + return (UINT8) (Engine->Type.Port.EndCoreLane - Engine->Type.Port.StartCoreLane + 1); +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Disable engine + * + * + * + * @param[in] Engine Pointer to engine config descriptor + */ +VOID +PcieConfigDisableEngine ( + IN PCIe_ENGINE_CONFIG *Engine + ) +{ + if (Engine->Type.Port.IsSB) { + return; + } + Engine->Flags &= ~DESCRIPTOR_ALLOCATED; +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Disable all engines on wrapper + * + * + * + * @param[in] EngineTypeMask Engine type bitmap. + * @param[in] Wrapper Pointer to wrapper config descriptor + */ +VOID +PcieConfigDisableAllEngines ( + IN UINTN EngineTypeMask, + IN PCIe_WRAPPER_CONFIG *Wrapper + ) +{ + PCIe_ENGINE_CONFIG *EngineList; + EngineList = PcieWrapperGetEngineList (Wrapper); + while (EngineList != NULL) { + if ((EngineList->EngineData.EngineType & EngineTypeMask) != 0) { + PcieConfigDisableEngine (EngineList); + } + EngineList = PcieLibGetNextDescriptor (EngineList); + } +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Get engine PHY lanes bitmap + * + * + * + * @param[in] Engine Pointer to engine config descriptor + */ +UINT32 +PcieConfigGetEnginePhyLaneBitMap ( + IN PCIe_ENGINE_CONFIG *Engine + ) +{ + UINT32 LaneBitMap; + LaneBitMap = 0; + if (PcieLibIsEngineAllocated (Engine)) { + LaneBitMap = ((1 << PcieConfigGetNumberOfPhyLane (Engine)) - 1) << (PcieUtilGetLoPhyLane (Engine) - PcieEngineGetParentWrapper (Engine)->StartPhyLane); + } + return LaneBitMap; +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Get number of phy lanes + * + * + * + * @param[in] Engine Pointer to engine config descriptor + * @retval Number of Phy lane + */ +UINT8 +PcieConfigGetNumberOfPhyLane ( + IN PCIe_ENGINE_CONFIG *Engine + ) +{ + if (Engine->EngineData.StartLane >= UNUSED_LANE_ID || Engine->EngineData.StartLane >= UNUSED_LANE_ID) { + return 0; + } + if (Engine->EngineData.StartLane > Engine->EngineData.EndLane) { + return (UINT8) (Engine->EngineData.StartLane - Engine->EngineData.EndLane + 1); + } else { + return (UINT8) (Engine->EngineData.EndLane - Engine->EngineData.StartLane + 1); + } +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Get port configuration signature for given wrapper and core + * + * Support for unify register access through index/data pair on GNB + * + * @param[in] Wrapper Pointer to wrapper config descriptor + * @param[in] CoreId Core ID + * @retval Configuration Signature + */ +UINT64 +PcieConfigGetConfigurationSignature ( + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN UINT8 CoreId + ) +{ + UINT64 ConfigurationSignature; + PCIe_ENGINE_CONFIG *EngineList; + ConfigurationSignature = 0; + EngineList = PcieWrapperGetEngineList (Wrapper); + while (EngineList != NULL) { + if (EngineList->Type.Port.CoreId == CoreId) { + ConfigurationSignature = (ConfigurationSignature << 8) | PcieConfigGetNumberOfCoreLane (EngineList); + } + EngineList = PcieLibGetNextDescriptor (EngineList); + } + return ConfigurationSignature; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Check Port Status + * + * + * + * @param[in] Engine Pointer to engine config descriptor + * @param[in] PortStatus Check if status asserted for port + * @retval TRUE if status asserted + */ +BOOLEAN +PcieConfigCheckPortStatus ( + IN PCIe_ENGINE_CONFIG *Engine, + IN UINT32 PortStatus + ) +{ + return (Engine->InitStatus & PortStatus) == 0 ? FALSE : TRUE; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Set/Reset port status + * + * + * + * @param[in] Engine Pointer to engine config descriptor + * @param[in] SetStatus SetStatus + * @param[in] ResetStatus ResetStatus + * + */ +UINT32 +PcieConfigUpdatePortStatus ( + IN PCIe_ENGINE_CONFIG *Engine, + IN UINT32 SetStatus, + IN UINT32 ResetStatus + ) +{ + Engine->InitStatus |= SetStatus; + Engine->InitStatus &= (~ResetStatus); + return Engine->InitStatus; +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Execute callback on all engine in topology + * + * + * @param[in] DescriptorFlags Wrapper Flags + * @param[in] Callback Pointer to callback function + * @param[in, out] Buffer Pointer to buffer to pass information to callback + * @param[in] Pcie Pointer to global PCIe configuration + */ + +AGESA_STATUS +PcieConfigRunProcForAllWrappers ( + IN UINT32 DescriptorFlags, + IN PCIe_RUN_ON_WRAPPER_CALLBACK Callback, + IN OUT VOID *Buffer, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + AGESA_STATUS AgesaStatus; + AGESA_STATUS Status; + PCIe_COMPLEX_CONFIG *Complex; + AgesaStatus = AGESA_SUCCESS; + Complex = Pcie->ComplexList; + while (Complex != NULL) { + PCIe_SILICON_CONFIG *Silicon; + Silicon = PcieComplexGetSiliconList (Complex); + while (Silicon != NULL) { + PCIe_WRAPPER_CONFIG *Wrapper; + Wrapper = PcieSiliconGetWrapperList (Silicon); + while (Wrapper != NULL) { + if (!(PcieLibIsVirtualDesciptor (Wrapper) && (DescriptorFlags & DESCRIPTOR_VIRTUAL) == 0)) { + if ((DescriptorFlags & DESCRIPTOR_ALL_WRAPPERS & Wrapper->Flags) != 0) { + Status = Callback (Wrapper, Buffer, Pcie); + AGESA_STATUS_UPDATE (Status, AgesaStatus); + } + } + Wrapper = PcieLibGetNextDescriptor (Wrapper); + } + Silicon = PcieLibGetNextDescriptor (Silicon); + } + Complex = PcieLibGetNextDescriptor (Complex); + } + return AgesaStatus; +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Execute callback on all engine in topology + * + * + * @param[in] DescriptorFlags Engine flags. + * @param[in] Callback Pointer to callback function + * @param[in, out] Buffer Pointer to buffer to pass information to callback + * @param[in] Pcie Pointer to global PCIe configuration + */ + +VOID +PcieConfigRunProcForAllEngines ( + IN UINT32 DescriptorFlags, + IN PCIe_RUN_ON_ENGINE_CALLBACK Callback, + IN OUT VOID *Buffer, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + PCIe_COMPLEX_CONFIG *Complex; + Complex = Pcie->ComplexList; + while (Complex != NULL) { + PCIe_SILICON_CONFIG *Silicon; + Silicon = PcieComplexGetSiliconList (Complex); + while (Silicon != NULL) { + PCIe_WRAPPER_CONFIG *Wrapper; + Wrapper = PcieSiliconGetWrapperList (Silicon); + while (Wrapper != NULL) { + PCIe_ENGINE_CONFIG *Engine; + Engine = PcieWrapperGetEngineList (Wrapper); + while (Engine != NULL) { + if (!(PcieLibIsVirtualDesciptor (Engine) && (DescriptorFlags & DESCRIPTOR_VIRTUAL) == 0)) { + if (!((DescriptorFlags & DESCRIPTOR_ALLOCATED) != 0 && !PcieLibIsEngineAllocated (Engine))) { + if ((Engine->Flags & DESCRIPTOR_ALL_ENGINES & DescriptorFlags) != 0) { + Callback (Engine, Buffer, Pcie); + } + } + } + Engine = PcieLibGetNextDescriptor (Engine); + } + Wrapper = PcieLibGetNextDescriptor (Wrapper); + } + Silicon = PcieLibGetNextDescriptor (Silicon); + } + Complex = PcieLibGetNextDescriptor (Complex); + } +} |