blob: 1f7dc6545da82c383c327047f5557fe1437205bd [file] [log] [blame]
/* $NoKeywords:$ */
/**
* @file
*
* PCIe PIF initialization routine
*
*
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: GNB
* @e \$Revision: 88079 $ @e \$Date: 2013-02-15 15:28:53 -0600 (Fri, 15 Feb 2013) $
*
*/
/*
*****************************************************************************
*
* 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.
* ***************************************************************************
*
*/
/*----------------------------------------------------------------------------------------
* 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 "GnbCommonLib.h"
#include "GnbPcieConfig.h"
#include "GnbPcieInitLibV1.h"
#include "GnbRegistersCommonV2.h"
#include "Filecode.h"
#define FILECODE PROC_GNB_MODULES_GNBPCIEINITLIBV5_PCIEPIFSERVICESV5_FILECODE
/*----------------------------------------------------------------------------------------
* D E F I N I T I O N S A N D M A C R O S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* 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
*----------------------------------------------------------------------------------------
*/
VOID
PciePifApplyGangingV5 (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN PCIe_PLATFORM_CONFIG *Pcie
);
VOID
PciePifPllPowerDownV5 (
IN UINT32 LaneBitmap,
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN PCIe_PLATFORM_CONFIG *Pcie
);
VOID
PciePifSetLs2ExitTimeV5 (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN PCIe_PLATFORM_CONFIG *Pcie
);
/*----------------------------------------------------------------------------------------
* E X P O R T E D F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------*/
/**
* Apply PIF ganging for all lanes for given wrapper
*
*
*
* @param[in] Wrapper Pointer to Wrapper config descriptor
* @param[in] Pcie Pointer to PICe configuration data area
*/
VOID
PciePifApplyGangingV5 (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN PCIe_PLATFORM_CONFIG *Pcie
)
{
PCIe_ENGINE_CONFIG *EngineList;
UINT32 LaneBitmap;
D0F0xE4_PIF_0011_STRUCT D0F0xE4_PIF_0011;
D0F0xE4_PIF_0011.Value = 0;
IDS_HDT_CONSOLE (GNB_TRACE, "PciePifApplyGangingV5 Enter\n");
EngineList = PcieConfigGetChildEngine (Wrapper);
while (EngineList != NULL) {
if (PcieLibIsEngineAllocated (EngineList)) {
LaneBitmap = PcieUtilGetEngineLaneBitMap (LANE_TYPE_PCIE_PHY_NATIVE, 0, EngineList);
switch (LaneBitmap) {
case 0x0003:
D0F0xE4_PIF_0011.Field.X2Lane10 = 0x1;
break;
case 0x000c:
D0F0xE4_PIF_0011.Field.X2Lane32 = 0x1;
break;
case 0x0030:
D0F0xE4_PIF_0011.Field.X2Lane54 = 0x1;
break;
case 0x00c0:
D0F0xE4_PIF_0011.Field.X2Lane76 = 0x1;
break;
case 0x000f:
D0F0xE4_PIF_0011.Field.X4Lane30 = 0x1;
break;
case 0x00f0:
D0F0xE4_PIF_0011.Field.X4Lane74 = 0x1;
break;
case 0x00ff:
D0F0xE4_PIF_0011.Field.X8Lane70 = 0x1;
break;
case 0x0300:
D0F0xE4_PIF_0011.Field.X2Lane98 = 0x1;
break;
case 0x0c00:
D0F0xE4_PIF_0011.Field.X2Lane1110 = 0x1;
break;
case 0x3000:
D0F0xE4_PIF_0011.Field.X2Lane1312 = 0x1;
break;
case 0xc000:
D0F0xE4_PIF_0011.Field.X2Lane1514 = 0x1;
break;
case 0x0f00:
D0F0xE4_PIF_0011.Field.X4Lane118 = 0x1;
break;
case 0xf000:
D0F0xE4_PIF_0011.Field.X4Lane1512 = 0x1;
break;
case 0xff00:
D0F0xE4_PIF_0011.Field.X8Lane158 = 0x1;
break;
case 0xffff:
D0F0xE4_PIF_0011.Field.X16Lane150 = 0x1;
break;
default:
break;
}
}
EngineList = PcieLibGetNextDescriptor (EngineList);
}
PcieRegisterWrite (
Wrapper,
PIF_SPACE (Wrapper->WrapId, 0, D0F0xE4_PIF_0011_ADDRESS),
D0F0xE4_PIF_0011.Value,
FALSE,
Pcie
);
IDS_HDT_CONSOLE (GNB_TRACE, "PciePifApplyGangingV5 Exit\n");
}
/*----------------------------------------------------------------------------------------*/
/**
* PLL powerdown
*
*
* @param[in] LaneBitmap Power down PLL for these lanes
* @param[in] Wrapper Pointer to Wrapper config descriptor
* @param[in] Pcie Pointer to PICe configuration data area
*/
VOID
PciePifPllPowerDownV5 (
IN UINT32 LaneBitmap,
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN PCIe_PLATFORM_CONFIG *Pcie
)
{
UINT8 Nibble;
UINT16 NibbleBitmap;
UINT16 PifRegAffress;
D0F0xE4_PIF_0012_STRUCT D0F0xE4_PIF_0012;
IDS_HDT_CONSOLE (GNB_TRACE, "PciePifPllPowerDownV5 Enter\n");
for (Nibble = 0; Nibble < 4; Nibble++) {
NibbleBitmap = (0xF << (Nibble * 4));
if ((LaneBitmap & NibbleBitmap) == NibbleBitmap) {
PifRegAffress = ((Nibble < 2) ? D0F0xE4_PIF_0012_ADDRESS : D0F0xE4_PIF_0017_ADDRESS) + (Nibble & 0x1);
D0F0xE4_PIF_0012.Value = PcieRegisterRead (
Wrapper,
PIF_SPACE (Wrapper->WrapId, 0, PifRegAffress),
Pcie
);
D0F0xE4_PIF_0012.Field.PllPowerStateInTxs2 = PifPowerStateOff;
D0F0xE4_PIF_0012.Field.PllPowerStateInOff = PifPowerStateOff;
D0F0xE4_PIF_0012.Field.TxPowerStateInTxs2 = PifPowerStateOff;
D0F0xE4_PIF_0012.Field.RxPowerStateInRxs2 = PifPowerStateOff;
PcieRegisterWrite (
Wrapper,
PIF_SPACE (Wrapper->WrapId, 0, PifRegAffress),
D0F0xE4_PIF_0012.Value,
TRUE,
Pcie
);
}
}
IDS_HDT_CONSOLE (GNB_TRACE, "PciePifPllPowerDownV5 Exit\n");
}
/*----------------------------------------------------------------------------------------*/
/**
* Program LS2 exit time
*
*
*
* @param[in] Wrapper Pointer to wrapper config descriptor
* @param[in] Pcie Pointer to global PCIe configuration
*/
VOID
PciePifSetLs2ExitTimeV5 (
IN PCIe_WRAPPER_CONFIG *Wrapper,
IN PCIe_PLATFORM_CONFIG *Pcie
)
{
UINT8 Pif;
IDS_HDT_CONSOLE (GNB_TRACE, "PciePifSetLs2ExitTimeV5 Enter\n");
for (Pif = 0; Pif < Wrapper->NumberOfPIFs; Pif++) {
PcieRegisterWriteField (
Wrapper,
PIF_SPACE (Wrapper->WrapId, Pif, D0F0xE4_PIF_0010_ADDRESS),
D0F0xE4_PIF_0010_Ls2ExitTime_OFFSET,
D0F0xE4_PIF_0010_Ls2ExitTime_WIDTH,
0x5,
FALSE,
Pcie
);
}
IDS_HDT_CONSOLE (GNB_TRACE, "PciePifSetLs2ExitTimeV5 Exit\n");
}