diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbPcieTrainingV1/PcieWorkarounds.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbPcieTrainingV1/PcieWorkarounds.c | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbPcieTrainingV1/PcieWorkarounds.c b/src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbPcieTrainingV1/PcieWorkarounds.c new file mode 100644 index 0000000000..5191465096 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/GNB/Modules/GnbPcieTrainingV1/PcieWorkarounds.c @@ -0,0 +1,375 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Various workarounds + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @e \$Revision: 38931 $ @e \$Date: 2010-10-01 15:50:05 -0700 (Fri, 01 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 GNB_MODULE_DEFINITIONS (GnbCommonLib) +#include GNB_MODULE_DEFINITIONS (GnbPcieConfig) +#include "GnbRegistersON.h" +#include "Filecode.h" +#define FILECODE PROC_GNB_MODULES_GNBPCIETRAININGV1_PCIEWORKAROUNDS_FILECODE +/*---------------------------------------------------------------------------------------- + * D E F I N I T I O N S A N D M A C R O S + *---------------------------------------------------------------------------------------- + */ + +extern BUILD_OPT_CFG UserOptions; + +/*---------------------------------------------------------------------------------------- + * T Y P E D E F S A N D S T R U C T U R E S + *---------------------------------------------------------------------------------------- + */ +AGESA_STATUS +PcieConfigureBridgeResources ( + IN PCI_ADDR Port, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +VOID +PcieFreeBridgeResources ( + IN PCI_ADDR Port, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +GFX_WORKAROUND_STATUS +PcieDeskewWorkaround ( + IN PCI_ADDR Device, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +GFX_WORKAROUND_STATUS +PcieNvWorkaround ( + IN PCI_ADDR Device, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +VOID +PcieProgramCpuMmio ( + OUT UINT32 *SaveValues, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +VOID +PcieRestoreCpuMmio ( + IN UINT32 *RestoreValues, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +BOOLEAN +PcieIsDeskewCardDetected ( + IN UINT16 DeviceId + ); + +/*---------------------------------------------------------------------------------------- + * 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 + *---------------------------------------------------------------------------------------- + */ + +/*----------------------------------------------------------------------------------------*/ +/** + * ATI RV370/RV380 card workaround + * + * + * + * @param[in] Port PCI addreses of the port + * @param[in] StdHeader Standard configuration header + * @retval GFX_WORKAROUND_STATUS Return the GFX Card Workaround status + */ +GFX_WORKAROUND_STATUS +PcieGfxCardWorkaround ( + IN PCI_ADDR Port, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + GFX_WORKAROUND_STATUS Status; + UINT16 DeviceId; + UINT16 VendorId; + UINT8 DevClassCode; + UINT32 SaveValueData[2]; + PCI_ADDR Ep; + + Status = GFX_WORKAROUND_SUCCESS; + + Ep.AddressValue = MAKE_SBDFO (0, Port.Address.Bus + Port.Address.Device, 0, 0, 0); + if (PcieConfigureBridgeResources (Port, StdHeader) == AGESA_SUCCESS) { + GnbLibPciRead (Ep.AddressValue | 0x00, AccessWidth16, &DeviceId, StdHeader); + Status = GFX_WORKAROUND_DEVICE_NOT_READY; + if (DeviceId != 0xffff) { + GnbLibPciRead (Ep.AddressValue | 0x02, AccessWidth16, &VendorId, StdHeader); + if (VendorId != 0xffff) { + GnbLibPciRead (Ep.AddressValue | 0x0B, AccessWidth8, &DevClassCode, StdHeader); + Status = GFX_WORKAROUND_SUCCESS; + if (DevClassCode == 3) { + PcieProgramCpuMmio (SaveValueData, StdHeader); + if (VendorId == 0x1002 && PcieIsDeskewCardDetected (DeviceId)) { + Status = PcieDeskewWorkaround (Ep, StdHeader); + } else if (VendorId == 0x10DE) { + Status = PcieNvWorkaround (Ep, StdHeader); + } + PcieRestoreCpuMmio (SaveValueData, StdHeader); + } + } + } + PcieFreeBridgeResources (Port, StdHeader); + } + return Status; +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * RV370/RV380 Deskew workaround + * + * + * + * @param[in] Device Pcie Address of ATI RV370/RV380 card. + * @param[in] StdHeader Standard configuration header + */ +GFX_WORKAROUND_STATUS +PcieDeskewWorkaround ( + IN PCI_ADDR Device, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINTN MmioBase; + UINT16 MmioData1; + UINT32 MmioData2; + + MmioBase = UserOptions.CfgTempPcieMmioBaseAddress; + if (MmioBase == 0) { + return GFX_WORKAROUND_SUCCESS; + } + GnbLibPciWrite (Device.AddressValue | 0x18, AccessWidth32, &MmioBase, StdHeader); + GnbLibPciRMW (Device.AddressValue | 0x04, AccessWidth8 , ~BIT1, BIT1, StdHeader); + GnbLibMemRMW (MmioBase + 0x120, AccessWidth16, 0, 0xb700, StdHeader); + GnbLibMemRead (MmioBase + 0x120, AccessWidth16, &MmioData1, StdHeader); + if (MmioData1 == 0xb700) { + GnbLibMemRMW (MmioBase + 0x124, AccessWidth32, 0, 0x13, StdHeader); + GnbLibMemRead (MmioBase + 0x124, AccessWidth32, &MmioData2, StdHeader); + if (MmioData2 == 0x13) { + GnbLibMemRead (MmioBase + 0x12C, AccessWidth32, &MmioData2, StdHeader); + if (MmioData2 & BIT8) { + return GFX_WORKAROUND_RESET_DEVICE; + } + } + } + GnbLibPciRMW (Device.AddressValue | 0x04, AccessWidth8, ~BIT1, 0x0, StdHeader); + GnbLibPciRMW (Device.AddressValue | 0x18, AccessWidth32, 0x0, 0x0, StdHeader); + + return GFX_WORKAROUND_SUCCESS; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * NV43 card workaround (lost SSID) + * + * + * + * @param[in] Device Pcie Address of NV43 card. + * @param[in] StdHeader Standard configuration header + */ +GFX_WORKAROUND_STATUS +PcieNvWorkaround ( + IN PCI_ADDR Device, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 DeviceSSID; + UINTN MmioBase; + UINT32 MmioData3; + + MmioBase = UserOptions.CfgTempPcieMmioBaseAddress; + if (MmioBase == 0) { + return GFX_WORKAROUND_SUCCESS; + } + GnbLibPciRMW (Device.AddressValue | 0x30, AccessWidth32, 0x0, ((UINT32)MmioBase) | 1, StdHeader); + GnbLibPciRMW (Device.AddressValue | 0x4, AccessWidth8, 0x0, 0x2, StdHeader); + GnbLibPciRead (Device.AddressValue | 0x2c, AccessWidth32, &DeviceSSID, StdHeader); + GnbLibMemRead (MmioBase + 0x54, AccessWidth32, &MmioData3, StdHeader); + if (DeviceSSID != MmioData3) { + GnbLibPciRMW (Device.AddressValue | 0x40, AccessWidth32, 0x0, MmioData3, StdHeader); + } + GnbLibPciRMW (Device.AddressValue | 0x30, AccessWidth32, 0x0, 0x0, StdHeader); + GnbLibPciRMW (Device.AddressValue | 0x4, AccessWidth8, 0x0, 0x0, StdHeader); + return GFX_WORKAROUND_SUCCESS; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Allocate temporary resources for Pcie P2P bridge + * + * + * + * @param[in] Port Pci Address of Port to initialize. + * @param[in] StdHeader Standard configuration header + */ +AGESA_STATUS +PcieConfigureBridgeResources ( + IN PCI_ADDR Port, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Value; + UINT32 MmioBase; + + MmioBase = UserOptions.CfgTempPcieMmioBaseAddress; + if (MmioBase == 0) { + return AGESA_WARNING; + } + Value = Port.Address.Bus + ((Port.Address.Bus + Port.Address.Device) << 8) + ((Port.Address.Bus + Port.Address.Device) << 16); + GnbLibPciWrite (Port.AddressValue | DxF0x18_ADDRESS, AccessWidth32, &Value, StdHeader); + Value = MmioBase + (MmioBase >> 16); + GnbLibPciWrite (Port.AddressValue | DxF0x20_ADDRESS, AccessWidth32, &Value, StdHeader); + Value = 0x000fff0; + GnbLibPciWrite (Port.AddressValue | DxF0x24_ADDRESS, AccessWidth32, &Value, StdHeader); + Value = 0x2; + GnbLibPciWrite (Port.AddressValue | DxF0x04_ADDRESS, AccessWidth8, &Value, StdHeader); + return AGESA_SUCCESS; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Free temporary resources for Pcie P2P bridge + * + * + * + * @param[in] Port Pci Address of Port to clear resource allocation. + * @param[in] StdHeader Standard configuration header + */ +VOID +PcieFreeBridgeResources ( + IN PCI_ADDR Port, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Value; + + Value = 0; + GnbLibPciWrite (Port.AddressValue | DxF0x04_ADDRESS, AccessWidth8, &Value, StdHeader); + GnbLibPciWrite (Port.AddressValue | DxF0x18_ADDRESS, AccessWidth32, &Value, StdHeader); + GnbLibPciWrite (Port.AddressValue | DxF0x20_ADDRESS, AccessWidth32, &Value, StdHeader); + GnbLibPciWrite (Port.AddressValue | DxF0x24_ADDRESS, AccessWidth32, &Value, StdHeader); + +} + + +/*----------------------------------------------------------------------------------------*/ +/* + * Save CPU MMIO register + * + * + * + * @param[out] UINT32 SaveValues + * @param[in] StdHeader Standard configuration header + * + */ +VOID +PcieProgramCpuMmio ( + OUT UINT32 *SaveValues, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + //Save CPU MMIO Register + GnbLibPciRead (MAKE_SBDFO (0, 0, 0x18, 0x1, 0xB8), AccessWidth32, SaveValues, StdHeader); + GnbLibPciRead (MAKE_SBDFO (0, 0, 0x18, 0x1, 0xBC), AccessWidth32, SaveValues + 1, StdHeader); + + //Write Temp Pcie MMIO to CPU + GnbLibPciRMW (MAKE_SBDFO (0, 0, 0x18, 0x1, 0xBC), AccessWidth32, 0, (UserOptions.CfgTempPcieMmioBaseAddress >> 16) << 8, StdHeader); + GnbLibPciRMW (MAKE_SBDFO (0, 0, 0x18, 0x1, 0xB8), AccessWidth32, 0, ((UserOptions.CfgTempPcieMmioBaseAddress >> 16) << 8) | 0x3, StdHeader); + +} + +/*----------------------------------------------------------------------------------------*/ +/* + * Restore CPU MMIO register + * + * + * + * @param[in] PCIe_PLATFORM_CONFIG Pcie + * @param[in] StdHeader Standard configuration header + */ +VOID +PcieRestoreCpuMmio ( + IN UINT32 *RestoreValues, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + //Restore CPU MMIO Register + GnbLibPciRMW (MAKE_SBDFO (0, 0, 0x18, 0x1, 0xB8), AccessWidth32, 0, *RestoreValues, StdHeader); + GnbLibPciRMW (MAKE_SBDFO (0, 0, 0x18, 0x1, 0xBC), AccessWidth32, 0, *(RestoreValues + 1), StdHeader); + +} + +/*----------------------------------------------------------------------------------------*/ +/* + * Check if card required test for deskew workaround + * + * + * + * @param[in] DeviceId Device ID + */ + +BOOLEAN +PcieIsDeskewCardDetected ( + IN UINT16 DeviceId + ) +{ + if ((DeviceId >= 0x3150 && DeviceId <= 0x3152) || (DeviceId == 0x3154) || + (DeviceId == 0x3E50) || (DeviceId == 0x3E54) || + ((DeviceId & 0xfff8) == 0x5460) || ((DeviceId & 0xfff8) == 0x5B60)) { + return TRUE; + } + return FALSE; +} + + |