diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/Proc/GNB/Modules/GnbPcieInitLibV1/PciePhyServices.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/Proc/GNB/Modules/GnbPcieInitLibV1/PciePhyServices.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/Proc/GNB/Modules/GnbPcieInitLibV1/PciePhyServices.c b/src/vendorcode/amd/agesa/Proc/GNB/Modules/GnbPcieInitLibV1/PciePhyServices.c new file mode 100644 index 0000000000..3fbd2f43a7 --- /dev/null +++ b/src/vendorcode/amd/agesa/Proc/GNB/Modules/GnbPcieInitLibV1/PciePhyServices.c @@ -0,0 +1,197 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * PCIe PIF initialization routine + * + * + * + * @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 (GnbPcieInitLibV1) +#include "GnbRegistersON.h" +#include "Filecode.h" +#define FILECODE PROC_GNB_MODULES_GNBPCIEINITLIBV1_PCIEPHYSERVICES_FILECODE +/*---------------------------------------------------------------------------------------- + * D E F I N I T I O N S A N D M A C R O S + *---------------------------------------------------------------------------------------- + */ + +#define MAX_NUM_PHYs 2 +#define MAX_NUM_LANE_PER_PHY 8 + +/*---------------------------------------------------------------------------------------- + * 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 + *---------------------------------------------------------------------------------------- + */ + + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------------------------*/ +/** + * PHY lane ganging + * + * + * + * @param[out] Wrapper Pointer to internal configuration data area + * @param[in] Pcie Pointer to global PCIe configuration + */ +VOID +PciePhyApplyGanging ( + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + PCIe_ENGINE_CONFIG *EngineList; + UINT8 GangMatrix [MAX_NUM_PHYs][MAX_NUM_LANE_PER_PHY]; + UINT8 MasterMatrix [MAX_NUM_PHYs][MAX_NUM_LANE_PER_PHY]; + UINT16 LoPhylane; + UINT16 HiPhylane; + UINT8 Phy; + UINT16 Lane; + UINT16 PhyLinkWidth; + IDS_HDT_CONSOLE (GNB_TRACE, "PciePhyApplyGanging Enter\n"); + LibAmdMemFill (GangMatrix, 0, sizeof (GangMatrix), GnbLibGetHeader (Pcie)); + LibAmdMemFill (MasterMatrix, 0, sizeof (MasterMatrix), GnbLibGetHeader (Pcie)); + EngineList = PcieWrapperGetEngineList (Wrapper); + while (EngineList != NULL) { + if (PcieLibIsEngineAllocated (EngineList)) { + HiPhylane = PcieUtilGetHiPhyLane (EngineList) - Wrapper->StartPhyLane; + LoPhylane = PcieUtilGetLoPhyLane (EngineList) - Wrapper->StartPhyLane; + PhyLinkWidth = HiPhylane - LoPhylane + 1; + + if (PhyLinkWidth >= 8) { + for (Lane = LoPhylane; Lane <= HiPhylane; Lane++) { + ((UINT8 *) GangMatrix)[Lane] = 1; + } + } else { + if (PhyLinkWidth > 0 && PhyLinkWidth < 4) { + for (Lane = (LoPhylane / 4) * 4; Lane < (((LoPhylane / 4) * 4) + 4) ; Lane++) { + ((UINT8 *) MasterMatrix)[Lane] = 1; + } + } + } + } + EngineList = PcieLibGetNextDescriptor (EngineList); + } + for (Phy = 0; Phy < Wrapper->NumberOfPIFs; Phy++) { + for (Lane = 0; Lane < MAX_NUM_LANE_PER_PHY; Lane++) { + D0F0xE4_PHY_6005_STRUCT D0F0xE4_PHY_6005; + D0F0xE4_PHY_6005.Value = PcieRegisterRead ( + Wrapper, + PHY_SPACE (Wrapper->WrapId, Phy, D0F0xE4_PHY_6005_ADDRESS + Lane * 0x80), + Pcie + ); + D0F0xE4_PHY_6005.Field.GangedModeEn = GangMatrix [Phy][Lane]; + D0F0xE4_PHY_6005.Field.IsOwnMstr = MasterMatrix [Phy][Lane]; + PcieRegisterWrite ( + Wrapper, + PHY_SPACE (Wrapper->WrapId, Phy, D0F0xE4_PHY_6005_ADDRESS + Lane * 0x80), + D0F0xE4_PHY_6005.Value, + FALSE, + Pcie + ); + } + } + IDS_HDT_CONSOLE (GNB_TRACE, "PciePhyApplyGanging Exit\n"); +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Point "virtual" PLL clock picker away from PCIe + * + * + * + * @param[in] Wrapper Pointer to internal configuration data area + * @param[in] Pcie Pointer to global PCIe configuration + */ +VOID +PciePhyAvertClockPickers ( + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINT32 DdiLanes; + UINT8 Nibble; + IDS_HDT_CONSOLE (GNB_TRACE, "PciePhyAvertClockPickers Enter\n"); + DdiLanes = PcieUtilGetWrapperLaneBitMap (LANE_TYPE_DDI_ALLOCATED, 0, Wrapper, Pcie); + for (Nibble = 0; Nibble < 4; Nibble++) { + if (DdiLanes & (0xf << (Nibble * 4))) { + PcieRegisterRMW ( + Wrapper, + PHY_SPACE (Wrapper->WrapId, (Nibble >> 1), D0F0xE4_PHY_0009_ADDRESS + (Nibble & 0x1)), + D0F0xE4_PHY_0009_PCIePllSel_MASK, + 0x0 << D0F0xE4_PHY_0009_PCIePllSel_OFFSET, + FALSE, + Pcie + ); + PcieRegisterRMW ( + Wrapper, + PHY_SPACE (Wrapper->WrapId, (Nibble >> 1), D0F0xE4_PHY_000B_ADDRESS + (Nibble & 0x1)), + D0F0xE4_PHY_000B_MargPktSbiEn_MASK | D0F0xE4_PHY_000B_PcieModeSbiEn_MASK, + (0x0 << D0F0xE4_PHY_000B_MargPktSbiEn_OFFSET) | (0x0 << D0F0xE4_PHY_000B_PcieModeSbiEn_OFFSET), + FALSE, + Pcie + ); + } + } + IDS_HDT_CONSOLE (GNB_TRACE, "PciePhyAvertClockPickers Exit\n"); +} |