diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.c | 410 |
1 files changed, 0 insertions, 410 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.c b/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.c deleted file mode 100644 index ef3c865e90..0000000000 --- a/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.c +++ /dev/null @@ -1,410 +0,0 @@ -/* $NoKeywords:$ */ -/** - * @file - * - * Various PCI service routines. - * - * - * - * @xrefitem bom "File Content Label" "Release Content" - * @e project: AGESA - * @e sub-project: GNB - * @e \$Revision: 49526 $ @e \$Date: 2011-03-25 00:52:37 +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. -* *************************************************************************** -* -*/ - - -#include "AGESA.h" -#include "amdlib.h" -#include "Gnb.h" -#include "GnbLibPciAcc.h" -#include "GnbLibPci.h" -#include "GnbLib.h" -#include "Filecode.h" -#define FILECODE PROC_GNB_MODULES_GNBCOMMONLIB_GNBLIBPCI_FILECODE - -UINT16 -GnbLibFindPcieExtendedCapability ( - IN UINT32 Address, - IN UINT16 ExtendedCapabilityId, - IN AMD_CONFIG_PARAMS *StdHeader - ); - -/*----------------------------------------------------------------------------------------*/ -/* - * Check if device present - * - * - * - * @param[in] Address PCI address (as described in PCI_ADDR) - * @param[in] StdHeader Standard configuration header - * @retval TRUE Device is present - * @retval FALSE Device is not present - */ - -BOOLEAN -GnbLibPciIsDevicePresent ( - IN UINT32 Address, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - UINT32 DeviceId; - GnbLibPciRead (Address, AccessWidth32, &DeviceId, StdHeader); - if (DeviceId == 0xffffffff) { - return FALSE; - } else { - return TRUE; - } -} - - -/*----------------------------------------------------------------------------------------*/ -/* - * Check if device is bridge - * - * - * - * @param[in] Address PCI address (as described in PCI_ADDR) - * @param[in] StdHeader Standard configuration header - * @retval TRUE Device is a bridge - * @retval FALSE Device is not a bridge - */ - -BOOLEAN -GnbLibPciIsBridgeDevice ( - IN UINT32 Address, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - UINT8 Header; - GnbLibPciRead (Address | 0xe, AccessWidth8, &Header, StdHeader); - if ((Header & 0x7f) == 1) { - return TRUE; - } else { - return FALSE; - } -} - -/*----------------------------------------------------------------------------------------*/ -/* - * Check if device is multifunction - * - * - * - * @param[in] Address PCI address (as described in PCI_ADDR) - * @param[in] StdHeader Standard configuration header - * @retval TRUE Device is a multifunction device. - * @retval FALSE Device is a single function device. - * - */ -BOOLEAN -GnbLibPciIsMultiFunctionDevice ( - IN UINT32 Address, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - UINT8 Header; - GnbLibPciRead (Address | 0xe, AccessWidth8, &Header, StdHeader); - if ((Header & 0x80) != 0) { - return TRUE; - } else { - return FALSE; - } -} - -/*----------------------------------------------------------------------------------------*/ -/* - * Check if device is PCIe device - * - * - * - * @param[in] Address PCI address (as described in PCI_ADDR) - * @param[in] StdHeader Standard configuration header - * @retval TRUE Device is a PCIe device - * @retval FALSE Device is not a PCIe device - * - */ - -BOOLEAN -GnbLibPciIsPcieDevice ( - IN UINT32 Address, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - if (GnbLibFindPciCapability (Address, PCIE_CAP_ID, StdHeader) != 0 ) { - return TRUE; - } else { - return FALSE; - } -} - - -/*----------------------------------------------------------------------------------------*/ -/* - * Find PCI capability pointer - * - * - * - * @param[in] Address PCI address (as described in PCI_ADDR) - * @param[in] CapabilityId PCI capability ID - * @param[in] StdHeader Standard configuration header - * @retval Register address of capability pointer - * - */ - -UINT8 -GnbLibFindPciCapability ( - IN UINT32 Address, - IN UINT8 CapabilityId, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - UINT8 CapabilityPtr; - UINT8 CurrentCapabilityId; - CapabilityPtr = 0x34; - if (!GnbLibPciIsDevicePresent (Address, StdHeader)) { - return 0; - } - while (CapabilityPtr != 0) { - GnbLibPciRead (Address | CapabilityPtr, AccessWidth8 , &CapabilityPtr, StdHeader); - if (CapabilityPtr != 0) { - GnbLibPciRead (Address | CapabilityPtr , AccessWidth8 , &CurrentCapabilityId, StdHeader); - if (CurrentCapabilityId == CapabilityId) { - break; - } - CapabilityPtr++; - } - } - return CapabilityPtr; -} -/*----------------------------------------------------------------------------------------*/ -/* - * Find PCIe extended capability pointer - * - * - * - * @param[in] Address PCI address (as described in PCI_ADDR) - * @param[in] ExtendedCapabilityId Extended PCIe capability ID - * @param[in] StdHeader Standard configuration header - * @retval Register address of extended capability pointer - * - */ - - -UINT16 -GnbLibFindPcieExtendedCapability ( - IN UINT32 Address, - IN UINT16 ExtendedCapabilityId, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - UINT16 CapabilityPtr; - UINT32 ExtendedCapabilityIdBlock; - if (GnbLibPciIsPcieDevice (Address, StdHeader)) { - GnbLibPciRead (Address | 0x100 , AccessWidth32 , &ExtendedCapabilityIdBlock, StdHeader); - if ((ExtendedCapabilityIdBlock != 0) && ((UINT16)ExtendedCapabilityIdBlock != 0xffff)) { - do { - CapabilityPtr = (UINT16) ((ExtendedCapabilityIdBlock >> 20) & 0xfff); - if ((UINT16)ExtendedCapabilityIdBlock == ExtendedCapabilityId) { - return CapabilityPtr; - } - GnbLibPciRead (Address | CapabilityPtr , AccessWidth32 , &ExtendedCapabilityIdBlock, StdHeader); - } while (((ExtendedCapabilityIdBlock >> 20) & 0xfff) != 0); - } - } - return 0; -} - -/*----------------------------------------------------------------------------------------*/ -/* - * Scan range of device on PCI bus. - * - * - * - * @param[in] Start Start address to start scan from - * @param[in] End End address of scan - * @param[in] ScanData Supporting data - * - */ -/*----------------------------------------------------------------------------------------*/ -VOID -GnbLibPciScan ( - IN PCI_ADDR Start, - IN PCI_ADDR End, - IN GNB_PCI_SCAN_DATA *ScanData - ) -{ - UINTN Bus; - UINTN Device; - UINTN LastDevice; - UINTN Function; - UINTN LastFunction; - PCI_ADDR PciDevice; - SCAN_STATUS Status; - - for (Bus = Start.Address.Bus; Bus <= End.Address.Bus; Bus++) { - Device = (Bus == Start.Address.Bus) ? Start.Address.Device : 0x00; - LastDevice = (Bus == End.Address.Bus) ? End.Address.Device : 0x1F; - for ( ; Device <= LastDevice; Device++) { - if ((Bus == Start.Address.Bus) && (Device == Start.Address.Device)) { - Function = Start.Address.Function; - } else { - Function = 0x0; - } - PciDevice.AddressValue = MAKE_SBDFO (0, Bus, Device, Function, 0); - if (!GnbLibPciIsDevicePresent (PciDevice.AddressValue, ScanData->StdHeader)) { - continue; - } - if (GnbLibPciIsMultiFunctionDevice (PciDevice.AddressValue, ScanData->StdHeader)) { - if ((Bus == End.Address.Bus) && (Device == End.Address.Device)) { - LastFunction = Start.Address.Function; - } else { - LastFunction = 0x7; - } - } else { - LastFunction = 0x0; - } - for ( ; Function <= LastFunction; Function++) { - PciDevice.AddressValue = MAKE_SBDFO (0, Bus, Device, Function, 0); - if (GnbLibPciIsDevicePresent (PciDevice.AddressValue, ScanData->StdHeader)) { - Status = ScanData->GnbScanCallback (PciDevice, ScanData); - if ((Status & SCAN_SKIP_FUNCTIONS) != 0) { - Function = LastFunction + 1; - } - if ((Status & SCAN_SKIP_DEVICES) != 0) { - Device = LastDevice + 1; - } - if ((Status & SCAN_SKIP_BUSES) != 0) { - Bus = End.Address.Bus + 1; - } - } - } - } - } -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Scan all subordinate buses - * - * - * @param[in] Bridge PCI bridge address - * @param[in,out] ScanData Scan configuration data - * - */ -VOID -GnbLibPciScanSecondaryBus ( - IN PCI_ADDR Bridge, - IN OUT GNB_PCI_SCAN_DATA *ScanData - ) -{ - PCI_ADDR StartRange; - PCI_ADDR EndRange; - UINT8 SecondaryBus; - GnbLibPciRead (Bridge.AddressValue | 0x19, AccessWidth8, &SecondaryBus, ScanData->StdHeader); - if (SecondaryBus != 0) { - StartRange.AddressValue = MAKE_SBDFO (0, SecondaryBus, 0, 0, 0); - EndRange.AddressValue = MAKE_SBDFO (0, SecondaryBus, 0x1f, 0x7, 0); - GnbLibPciScan (StartRange, EndRange, ScanData); - } -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Get PCIe device type - * - * - * - * @param[in] Device PCI address of device. - * @param[in] StdHeader Northbridge configuration structure pointer. - * - * @retval PCIE_DEVICE_TYPE - */ - /*----------------------------------------------------------------------------------------*/ - -PCIE_DEVICE_TYPE -GnbLibGetPcieDeviceType ( - IN PCI_ADDR Device, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - UINT8 PcieCapPtr; - UINT8 Value; - - PcieCapPtr = GnbLibFindPciCapability (Device.AddressValue, PCIE_CAP_ID, StdHeader); - if (PcieCapPtr != 0) { - GnbLibPciRead (Device.AddressValue | (PcieCapPtr + 0x2) , AccessWidth8, &Value, StdHeader); - return Value >> 4; - } - return PcieNotPcieDevice; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Save config space area - * - * - * - * @param[in] Address PCI address of device. - * @param[in] StartRegisterAddress Start register address. - * @param[in] EndRegisterAddress End register address. - * @param[in] Width Acess width. - * @param[in] StdHeader Standard header. - * - */ - /*----------------------------------------------------------------------------------------*/ - -VOID -GnbLibS3SaveConfigSpace ( - IN UINT32 Address, - IN UINT16 StartRegisterAddress, - IN UINT16 EndRegisterAddress, - IN ACCESS_WIDTH Width, - IN AMD_CONFIG_PARAMS *StdHeader - ) -{ - UINT16 Index; - UINT16 Delta; - UINT16 Length; - Length = (StartRegisterAddress < EndRegisterAddress) ? (EndRegisterAddress - StartRegisterAddress) : (StartRegisterAddress - EndRegisterAddress); - Delta = LibAmdAccessWidth (Width); - for (Index = 0; Index <= Length; Index = Index + Delta) { - GnbLibPciRMW ( - Address | ((StartRegisterAddress < EndRegisterAddress) ? (StartRegisterAddress + Index) : (StartRegisterAddress - Index)), - Width, - 0xffffffff, - 0x0, - StdHeader - ); - } -} |