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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h new file mode 100644 index 0000000000..a0825cfa12 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h @@ -0,0 +1,186 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Various PCI service routines. + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @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 +* accordance with the terms and conditions of the Software License Agreement. +* +* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION +* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED +* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF +* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, +* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. +* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER +* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS +* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, +* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER +* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF +* THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE +* EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, +* THE ABOVE LIMITATION MAY NOT APPLY TO YOU. +* +* AMD does not assume any responsibility for any errors which may appear in +* the Materials or any other related information provided to you by AMD, or +* result from use of the Materials or any related information. +* +* You agree that you will not reverse engineer or decompile the Materials. +* +* NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any +* further information, software, technical information, know-how, or show-how +* available to you. Additionally, AMD retains the right to modify the +* Materials at any time, without notice, and is not obligated to provide such +* modified Materials to you. +* +* U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with +* "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is +* subject to the restrictions as set forth in FAR 52.227-14 and +* DFAR252.227-7013, et seq., or its successor. Use of the Materials by the +* Government constitutes acknowledgement of AMD's proprietary rights in them. +* +* EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any +* direct product thereof will be exported directly or indirectly, into any +* country prohibited by the United States Export Administration Act and the +* regulations thereunder, without the required authorization from the U.S. +* government nor will be used for any purpose prohibited by the same. +* *************************************************************************** +* +*/ + +#ifndef _GNBLIBPCI_H_ +#define _GNBLIBPCI_H_ + +#define PCIE_CAP_ID 0x10 +#define IOMMU_CAP_ID 0x0F + +/// PCIe device type +typedef enum { + PcieDeviceEndPoint, ///< Endpoint + PcieDeviceLegacyEndPoint, ///< Legacy endpoint + PcieDeviceRootComplex = 4, ///< Root complex + PcieDeviceUpstreamPort, ///< Upstream port + PcieDeviceDownstreamPort, ///< Downstream Port + PcieDevicePcieToPcix, ///< PCIe to PCI/PCIx bridge + PcieDevicePcixToPcie, ///< PCI/PCIx to PCIe bridge + PcieNotPcieDevice = 0xff ///< unknown device +} PCIE_DEVICE_TYPE; + +typedef UINT32 SCAN_STATUS; + +#define SCAN_SKIP_FUNCTIONS 0x1 +#define SCAN_SKIP_DEVICES 0x2 +#define SCAN_SKIP_BUSES 0x4 +#define SCAN_SUCCESS 0x0 + +// Forward declaration needed for multi-structure mutual references +AGESA_FORWARD_DECLARATION (GNB_PCI_SCAN_DATA); + +typedef SCAN_STATUS (*GNB_SCAN_CALLBACK) ( + IN PCI_ADDR Device, + IN OUT GNB_PCI_SCAN_DATA *ScanData + ); + +///Scan supporting data +struct _GNB_PCI_SCAN_DATA { + GNB_SCAN_CALLBACK GnbScanCallback; ///< Callback for each found device + AMD_CONFIG_PARAMS *StdHeader; ///< Standard configuration header +}; + +#define PCIE_CAP_ID 0x10 +#define PCIE_LINK_CAP_REGISTER 0x0C +#define PCIE_LINK_CTRL_REGISTER 0x10 +#define PCIE_DEVICE_CAP_REGISTER 0x04 +#define PCIE_DEVICE_CTRL_REGISTER 0x08 +#define PCIE_ASPM_L1_SUPPORT_CAP BIT11 + +#define MAX_PAYLOAD_128 0x0 ///< Max allowed payload size 128 bytes +#define MAX_PAYLOAD_256 0x1 ///< Max allowed payload size 256 bytes +#define MAX_PAYLOAD_512 0x2 ///< Max allowed payload size 512 bytes +#define MAX_PAYLOAD_1024 0x3 ///< Max allowed payload size 1024 bytes +#define MAX_PAYLOAD_2048 0x4 ///< Max allowed payload size 2048 bytes +#define MAX_PAYLOAD_4096 0x5 ///< Max allowed payload size 4096 bytes +#define MAX_PAYLOAD 0x5 ///< Max allowed payload size according to spec is 101b (4096 bytes) + +BOOLEAN +GnbLibPciIsDevicePresent ( + IN UINT32 Address, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +BOOLEAN +GnbLibPciIsBridgeDevice ( + IN UINT32 Address, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +BOOLEAN +GnbLibPciIsMultiFunctionDevice ( + IN UINT32 Address, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +BOOLEAN +GnbLibPciIsPcieDevice ( + IN UINT32 Address, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +UINT8 +GnbLibFindPciCapability ( + IN UINT32 Address, + IN UINT8 CapabilityId, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +VOID +GnbLibPciScan ( + IN PCI_ADDR Start, + IN PCI_ADDR End, + IN GNB_PCI_SCAN_DATA *ScanData + ); + +VOID +GnbLibPciScanSecondaryBus ( + IN PCI_ADDR Bridge, + IN OUT GNB_PCI_SCAN_DATA *ScanData + ); + +PCIE_DEVICE_TYPE +GnbLibGetPcieDeviceType ( + IN PCI_ADDR Device, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +VOID +GnbLibS3SaveConfigSpace ( + IN UINT32 Address, + IN UINT16 StartRegisterAddress, + IN UINT16 EndRegisterAddress, + IN ACCESS_WIDTH Width, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +#endif |