diff options
author | Siyuan Wang <wangsiyuanbuaa@gmail.com> | 2013-07-25 15:14:15 +0800 |
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committer | Bruce Griffith <Bruce.Griffith@se-eng.com> | 2013-08-04 05:40:37 +0200 |
commit | affe85fbc8a13d35960aa92ae87cbb6330ad253f (patch) | |
tree | 9c1ace69f12b06b6544faf041994aa4288fb2e45 /src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h | |
parent | ae8d06969bdde9b1250bc3c4ad93f5db408dae98 (diff) |
AMD Kabini: Add AGESA/PI code for new processor family
Change-Id: Icb6f64e2e3cfd678fb4fb4f13f0e4b678d5acc4a
Signed-off-by: Siyuan Wang <SiYuan.Wang@amd.com>
Signed-off-by: Siyuan Wang <wangsiyuanbuaa@gmail.com>
Reviewed-by: Nick Dill <nick.dill@se-eng.com>
Tested-by: Bruce Griffith <bruce.griffith@se-eng.com>
Reviewed-on: http://review.coreboot.org/3836
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Diffstat (limited to 'src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h')
-rw-r--r-- | src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h new file mode 100644 index 0000000000..d1cf252c95 --- /dev/null +++ b/src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbCommonLib/GnbLibPci.h @@ -0,0 +1,166 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Various PCI service routines. + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @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. +* *************************************************************************** +* +*/ + +#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 + ); + +UINT16 +GnbLibFindPcieExtendedCapability ( + IN UINT32 Address, + IN UINT16 ExtendedCapabilityId, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +#endif |