From 7d94cf93eec15dfb8eef9cd044fe39319d4ee9bc Mon Sep 17 00:00:00 2001 From: zbao Date: Mon, 2 Jul 2012 14:19:14 +0800 Subject: AGESA F15tn: AMD family15 AGESA code for Trinity AMD AGESA code for trinity. Change-Id: I847a54b15e8ce03ad5dbc17b95ee6771a9da0592 Signed-off-by: Zheng Bao Signed-off-by: zbao Reviewed-on: http://review.coreboot.org/1155 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- .../f15tn/Proc/GNB/Modules/GnbSbLib/GnbSbPcie.c | 169 +++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbSbLib/GnbSbPcie.c (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbSbLib/GnbSbPcie.c') diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbSbLib/GnbSbPcie.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbSbLib/GnbSbPcie.c new file mode 100644 index 0000000000..a592041fe5 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbSbLib/GnbSbPcie.c @@ -0,0 +1,169 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * GNB-SB link procedure + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ + * + */ +/* +***************************************************************************** +* +* Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. +* +* AMD is granting you permission to use this software (the Materials) +* pursuant to the terms and conditions of your Software License Agreement +* with AMD. This header does *NOT* give you permission to use the Materials +* or any rights under AMD's intellectual property. Your use of any portion +* of these Materials shall constitute your acceptance of those terms and +* conditions. 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BECAUSE SOME JURISDICTIONS PROHIBIT THE +* EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, +* THE ABOVE LIMITATION MAY NOT APPLY TO YOU. +* +* AMD does not assume any responsibility for any errors which may appear in +* the Materials or any other related information provided to you by AMD, or +* result from use of the Materials or any related information. +* +* You agree that you will not reverse engineer or decompile the Materials. +* +* NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any +* further information, software, technical information, know-how, or show-how +* available to you. Additionally, AMD retains the right to modify the +* Materials at any time, without notice, and is not obligated to provide such +* modified Materials to you. +* +* U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with +* "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is +* subject to the restrictions as set forth in FAR 52.227-14 and +* DFAR252.227-7013, et seq., or its successor. Use of the Materials by the +* Government constitutes acknowledgement of AMD's proprietary rights in them. +* +* EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any +* direct product thereof will be exported directly or indirectly, into any +* country prohibited by the United States Export Administration Act and the +* regulations thereunder, without the required authorization from the U.S. +* government nor will be used for any purpose prohibited by the same. +* *************************************************************************** +* +*/ + +/*---------------------------------------------------------------------------------------- + * 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 "GnbPcieInitLibV1.h" +#include "GnbSbLib.h" +#include "Filecode.h" +#define FILECODE PROC_GNB_MODULES_GNBSBLIB_GNBSBPCIE_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 + *---------------------------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------------------------*/ +/** + * Enable/Disable ASPM on GNB-SB link + * + * + * + * @param[in] Engine Pointer to engine config descriptor + * @param[in] Pcie Pointer to global PCIe configuration + * + */ + +AGESA_STATUS +SbPcieLinkAspmControl ( + IN PCIe_ENGINE_CONFIG *Engine, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + AGESA_STATUS Status; + PCIE_ASPM_TYPE Aspm; + + Aspm = Engine->Type.Port.PortData.LinkAspm; + + Status = SbPcieInitAspm (Aspm, GnbLibGetHeader (Pcie)); + if (Status != AGESA_SUCCESS) { + return AGESA_UNSUPPORTED; + } + + PcieAspmEnableOnFunction (Engine->Type.Port.Address, Aspm, GnbLibGetHeader (Pcie)); + return AGESA_SUCCESS; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Init SB ASPM. + * Enable ASPM states on SB + * + * + * @param[in] Aspm ASPM bitmap. + * @param[in] StdHeader Standard configuration header + */ +/*----------------------------------------------------------------------------------------*/ + +AGESA_STATUS +SbPcieInitAspm ( + IN PCIE_ASPM_TYPE Aspm, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT16 AlinkPort; + + AlinkPort = SbGetAlinkIoAddress (StdHeader); + ASSERT (AlinkPort != 0); + if (AlinkPort == 0) { + return AGESA_UNSUPPORTED; + } + GnbLibIoRMW (AlinkPort, AccessS3SaveWidth32, 0x0, 0x40000038, StdHeader); + GnbLibIoRMW (AlinkPort + 4, AccessS3SaveWidth32, 0x0, 0xA0, StdHeader); + GnbLibIoRMW (AlinkPort, AccessS3SaveWidth32, 0x0, 0x4000003c, StdHeader); + GnbLibIoRMW (AlinkPort + 4, AccessS3SaveWidth32, 0xffff00ff, 0x6900, StdHeader); + GnbLibIoRMW (AlinkPort, AccessS3SaveWidth32, 0x0, 0x80000068, StdHeader); + GnbLibIoRMW (AlinkPort + 4, AccessS3SaveWidth32, 0xfffffffc, Aspm, StdHeader); + return AGESA_SUCCESS; +} + + -- cgit v1.2.3