diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/GNB/PCIe/Family/LN/F12PciePifServices.c')
-rwxr-xr-x | src/vendorcode/amd/agesa/f12/Proc/GNB/PCIe/Family/LN/F12PciePifServices.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/GNB/PCIe/Family/LN/F12PciePifServices.c b/src/vendorcode/amd/agesa/f12/Proc/GNB/PCIe/Family/LN/F12PciePifServices.c new file mode 100755 index 0000000000..f1aff83596 --- /dev/null +++ b/src/vendorcode/amd/agesa/f12/Proc/GNB/PCIe/Family/LN/F12PciePifServices.c @@ -0,0 +1,120 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Family specific PCIe PHY initialization services + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @e \$Revision: 48452 $ @e \$Date: 2011-03-09 12:50:44 +0800 (Wed, 09 Mar 2011) $ + * + */ +/* +***************************************************************************** +* +* 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 "Gnb.h" +#include "GnbPcie.h" +#include "GnbCommonLib.h" +#include "GnbPcieInitLibV1.h" +#include "PcieFamilyServices.h" +#include "GnbRegistersLN.h" +#include "Filecode.h" +#define FILECODE PROC_GNB_PCIE_FAMILY_LN_F12PCIEPIFSERVICES_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 + *---------------------------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------------------------*/ +/** + * Set PLL mode for L1 + * + * + * @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 +PcieFmPifSetPllModeForL1 ( + IN UINT32 LaneBitmap, + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINT32 ActiveLaneBitmap; + ActiveLaneBitmap = PcieUtilGetWrapperLaneBitMap (LANE_TYPE_PCIE_PHY_NATIVE_ACTIVE | LANE_TYPE_PCIE_PHY_NATIVE_HOTPLUG, 0, Wrapper); + // This limits PLL setting to be identical for all PLL on wrapper. + if ((ActiveLaneBitmap & LaneBitmap) == ActiveLaneBitmap) { + LaneBitmap &= PcieUtilGetWrapperLaneBitMap (LANE_TYPE_PHY_NATIVE_ALL, 0, Wrapper); + PciePifSetPllModeForL1 (LaneBitmap, Wrapper, Pcie); + } +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * PLL power up latency + * + * + * @param[in] Wrapper Pointer to Wrapper config descriptor + * @param[in] Pcie Pointer to PICe configuration data area + * @retval Pll wake up latency in us + */ +UINT8 +PcieFmPifGetPllPowerUpLatency ( + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + return 20; +} |