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authorzbao <fishbaozi@gmail.com>2012-07-02 14:19:14 +0800
committerPatrick Georgi <patrick@georgi-clan.de>2012-07-03 09:36:35 +0200
commit7d94cf93eec15dfb8eef9cd044fe39319d4ee9bc (patch)
treeb0b385455992f0ad3ca6dbbd3266a7a386a80d4f /src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieClkPm
parent78efc4c36c68b51b3e73acdb721a12ec23ed0369 (diff)
AGESA F15tn: AMD family15 AGESA code for Trinity
AMD AGESA code for trinity. Change-Id: I847a54b15e8ce03ad5dbc17b95ee6771a9da0592 Signed-off-by: Zheng Bao <zheng.bao@amd.com> Signed-off-by: zbao <fishbaozi@gmail.com> Reviewed-on: http://review.coreboot.org/1155 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieClkPm')
-rw-r--r--src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieClkPm/PcieClkPm.c353
-rw-r--r--src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieClkPm/PcieClkPm.h81
2 files changed, 434 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieClkPm/PcieClkPm.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieClkPm/PcieClkPm.c
new file mode 100644
index 0000000000..d268915b5a
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieClkPm/PcieClkPm.c
@@ -0,0 +1,353 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * PCIe Clock Power Managment
+ *
+ *
+ *
+ * @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. If you do not agree to the terms and conditions of the Software
+* License Agreement, please do not use any portion of these Materials.
+*
+* CONFIDENTIALITY: The Materials and all other information, identified as
+* confidential and provided to you by AMD shall be kept confidential in
+* accordance with the terms and conditions of the Software License Agreement.
+*
+* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION
+* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED
+* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
+* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE,
+* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE.
+* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER
+* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS
+* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE,
+* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER
+* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF
+* THE POSSIBILITY OF SUCH DAMAGES. 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 "Gnb.h"
+#include "GnbPcieConfig.h"
+#include "GnbCommonLib.h"
+#include "PcieClkPm.h"
+#include "Filecode.h"
+#define FILECODE PROC_GNB_MODULES_GNBPCIECLKPM_PCIECLKPM_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 Clock Power Managment on function of the device
+ *
+ *
+ *
+ * @param[in] Function PCI address of function.
+ * @param[in] StdHeader Standard configuration header
+ *
+ */
+ /*----------------------------------------------------------------------------------------*/
+STATIC VOID
+PcieClkPmEnableOnFunction (
+ IN PCI_ADDR Function,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ UINT8 PcieCapPtr;
+ PcieCapPtr = GnbLibFindPciCapability (Function.AddressValue, PCIE_CAP_ID, StdHeader);
+ if (PcieCapPtr != 0) {
+ GnbLibPciRMW (
+ Function.AddressValue | (PcieCapPtr + PCIE_LINK_CTRL_REGISTER),
+ AccessS3SaveWidth32,
+ (UINT32)~(BIT8),
+ BIT8,
+ StdHeader
+ );
+ }
+}
+
+
+/**----------------------------------------------------------------------------------------*/
+/**
+ * check capability of intire device including its functions
+ *
+ *
+ *
+ * @param[in] Device PCI address of downstream port
+ * @param[in] StdHeader Standard configuration header
+ *
+ * @retval TRUE - Device support Clock Power Managment
+ */
+ /*----------------------------------------------------------------------------------------*/
+STATIC BOOLEAN
+PcieClkPmCheckDeviceCapability (
+ IN PCI_ADDR Device,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+
+ UINT8 MaxFunc;
+ UINT8 CurrentFunc;
+ UINT8 PcieCapPtr;
+ UINT32 Value;
+
+ MaxFunc = GnbLibPciIsMultiFunctionDevice (Device.AddressValue, StdHeader) ? 7 : 0;
+
+ for (CurrentFunc = 0; CurrentFunc <= MaxFunc; CurrentFunc++) {
+ Device.Address.Function = CurrentFunc;
+ if (GnbLibPciIsDevicePresent (Device.AddressValue, StdHeader)) {
+ PcieCapPtr = GnbLibFindPciCapability (Device.AddressValue, PCIE_CAP_ID, StdHeader);
+ if (PcieCapPtr == 0) {
+ return FALSE;
+ }
+ GnbLibPciRead (
+ Device.AddressValue | (PcieCapPtr + PCIE_LINK_CAP_REGISTER),
+ AccessWidth32,
+ &Value,
+ StdHeader
+ );
+ if ((Value & BIT18) == 0) {
+ return FALSE;
+ }
+ }
+ }
+ return TRUE;
+}
+
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Set Clock power managment on device
+ *
+ *
+ *
+ * @param[in] Device PCI address of device.
+ * @param[in] StdHeader Standard configuration header
+ *
+ */
+ /*----------------------------------------------------------------------------------------*/
+STATIC VOID
+PcieClkPmEnableOnDevice (
+ IN PCI_ADDR Device,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ UINT8 MaxFunc;
+ UINT8 CurrentFunc;
+ if (PcieClkPmCheckDeviceCapability (Device, StdHeader)) {
+ MaxFunc = GnbLibPciIsMultiFunctionDevice (Device.AddressValue, StdHeader) ? 7 : 0;
+ for (CurrentFunc = 0; CurrentFunc <= MaxFunc; CurrentFunc++) {
+ Device.Address.Function = CurrentFunc;
+ if (GnbLibPciIsDevicePresent (Device.AddressValue, StdHeader)) {
+ IDS_HDT_CONSOLE (GNB_TRACE, " Enable Clock Power Managment for Device = %d:%d:%d\n",
+ Device.Address.Bus,
+ Device.Address.Device,
+ Device.Address.Function
+ );
+ PcieClkPmEnableOnFunction (Device, StdHeader);
+ }
+ }
+ }
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Evaluate device
+ *
+ *
+ *
+ * @param[in] Device PCI Address
+ * @param[in,out] ScanData Scan configuration data
+ * @retval Scan Status of 0
+ */
+
+STATIC SCAN_STATUS
+PcieClkPmCallback (
+ IN PCI_ADDR Device,
+ IN OUT GNB_PCI_SCAN_DATA *ScanData
+ )
+{
+ SCAN_STATUS ScanStatus;
+ PCIE_DEVICE_TYPE DeviceType;
+ ScanStatus = SCAN_SUCCESS;
+ IDS_HDT_CONSOLE (GNB_TRACE, " PcieClkPmCallback for Device = %d:%d:%d\n",
+ Device.Address.Bus,
+ Device.Address.Device,
+ Device.Address.Function
+ );
+ ScanStatus = SCAN_SUCCESS;
+ DeviceType = GnbLibGetPcieDeviceType (Device, ScanData->StdHeader);
+ switch (DeviceType) {
+ case PcieDeviceRootComplex:
+ case PcieDeviceDownstreamPort:
+ GnbLibPciRMW (Device.AddressValue | 0x18, AccessS3SaveWidth32, 0xffffffffull, 0x0, ScanData->StdHeader);
+ GnbLibPciScanSecondaryBus (Device, ScanData);
+ break;
+ case PcieDeviceUpstreamPort:
+ PcieClkPmEnableOnDevice (Device, ScanData->StdHeader);
+ GnbLibPciRMW (Device.AddressValue | 0x18, AccessS3SaveWidth32, 0xffffffffull, 0x0, ScanData->StdHeader);
+ GnbLibPciScanSecondaryBus (Device, ScanData);
+ ScanStatus = SCAN_SKIP_FUNCTIONS | SCAN_SKIP_DEVICES | SCAN_SKIP_BUSES;
+ break;
+ case PcieDeviceEndPoint:
+ case PcieDeviceLegacyEndPoint:
+ PcieClkPmEnableOnDevice (Device, ScanData->StdHeader);
+ ScanStatus = SCAN_SKIP_FUNCTIONS | SCAN_SKIP_DEVICES | SCAN_SKIP_BUSES;
+ break;
+ default:
+ break;
+ }
+ return ScanStatus;
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Confiugure Clock Power Managment
+ *
+ *
+ *
+ *
+ * @param[in] DownstreamPort Downstream port PCI address
+ * @param[in] StdHeader Standard configuration header
+ *
+ */
+
+VOID
+STATIC
+PcieClkPmPortInitConfigure (
+ IN PCI_ADDR DownstreamPort,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ GNB_PCI_SCAN_DATA ScanData;
+ ScanData.StdHeader = StdHeader;
+ ScanData.GnbScanCallback = PcieClkPmCallback;
+ GnbLibPciScan (DownstreamPort, DownstreamPort, &ScanData);
+}
+
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Callback to init various features on all active ports
+ *
+ *
+ *
+ *
+ * @param[in] Engine Pointer to engine config descriptor
+ * @param[in, out] Buffer Not used
+ * @param[in] Pcie Pointer to global PCIe configuration
+ *
+ */
+
+VOID
+STATIC
+PcieClkPmPortInitCallback (
+ IN PCIe_ENGINE_CONFIG *Engine,
+ IN OUT VOID *Buffer,
+ IN PCIe_PLATFORM_CONFIG *Pcie
+ )
+{
+ if (Engine->Type.Port.PortData.MiscControls.ClkPmSupport == 0x1 &&
+ !PcieConfigIsSbPcieEngine (Engine) &&
+ PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_TRAINING_SUCCESS)) {
+ PcieClkPmPortInitConfigure (
+ Engine->Type.Port.Address,
+ GnbLibGetHeader (Pcie)
+ );
+ }
+}
+
+/**----------------------------------------------------------------------------------------*/
+/**
+ * Interface to enable Clock Power Managment
+ *
+ *
+ *
+ * @param[in] StdHeader Standard configuration header
+ *
+ * @retval AGESA_STATUS
+ */
+ /*----------------------------------------------------------------------------------------*/
+AGESA_STATUS
+PcieClkPmInterface (
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ AGESA_STATUS AgesaStatus;
+ PCIe_PLATFORM_CONFIG *Pcie;
+ IDS_HDT_CONSOLE (GNB_TRACE, "PcieClkPmInterface Enter\n");
+ AgesaStatus = PcieLocateConfigurationData (StdHeader, &Pcie);
+ if (AgesaStatus == AGESA_SUCCESS) {
+ PcieConfigRunProcForAllEngines (
+ DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE,
+ PcieClkPmPortInitCallback,
+ NULL,
+ Pcie
+ );
+ }
+ IDS_HDT_CONSOLE (GNB_TRACE, "PcieClkPmInterface Exit [0x%x]\n", AgesaStatus);
+ return AgesaStatus;
+}
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieClkPm/PcieClkPm.h b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieClkPm/PcieClkPm.h
new file mode 100644
index 0000000000..3d14ac8abc
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieClkPm/PcieClkPm.h
@@ -0,0 +1,81 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * PCIe link ASPM
+ *
+ *
+ *
+ * @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. If you do not agree to the terms and conditions of the Software
+* License Agreement, please do not use any portion of these Materials.
+*
+* CONFIDENTIALITY: The Materials and all other information, identified as
+* confidential and provided to you by AMD shall be kept confidential in
+* accordance with the terms and conditions of the Software License Agreement.
+*
+* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION
+* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED
+* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
+* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE,
+* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE.
+* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER
+* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS
+* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE,
+* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER
+* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF
+* THE POSSIBILITY OF SUCH DAMAGES. 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.
+* ***************************************************************************
+*
+*/
+
+#ifndef _PCIECLKPM_H_
+#define _PCIECLKPM_H_
+
+AGESA_STATUS
+PcieClkPmInterface (
+ IN AMD_CONFIG_PARAMS *StdHeader
+ );
+
+#endif