summaryrefslogtreecommitdiff
path: root/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PciePortInit.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PciePortInit.c')
-rw-r--r--src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PciePortInit.c256
1 files changed, 256 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PciePortInit.c b/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PciePortInit.c
new file mode 100644
index 0000000000..2802ba21f7
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PciePortInit.c
@@ -0,0 +1,256 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * PCIe port initialization service procedure
+ *
+ *
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: GNB
+ * @e \$Revision: 39275 $ @e \$Date: 2010-10-09 08:22:05 +0800 (Sat, 09 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 "Gnb.h"
+#include "GnbPcie.h"
+#include "GnbPcieFamServices.h"
+#include "PcieFamilyServices.h"
+#include GNB_MODULE_DEFINITIONS (GnbCommonLib)
+#include GNB_MODULE_DEFINITIONS (GnbPcieInitLibV1)
+#include GNB_MODULE_DEFINITIONS (GnbPcieConfig)
+#include GNB_MODULE_DEFINITIONS (GnbPcieTrainingV1)
+#include "GnbRegistersON.h"
+#include "Filecode.h"
+#define FILECODE PROC_GNB_PCIE_PCIEPORTINIT_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
+ *----------------------------------------------------------------------------------------
+ */
+
+PCIE_PORT_REGISTER_ENTRY PortInitTable [] = {
+ {
+ DxF0xE4_x02_ADDRESS,
+ DxF0xE4_x02_RegsLcAllowTxL1Control_MASK,
+ (0x1 << DxF0xE4_x02_RegsLcAllowTxL1Control_OFFSET)
+ },
+ {
+ DxF0xE4_x70_ADDRESS,
+ DxF0xE4_x70_RxRcbCplTimeoutMode_MASK,
+ (0x1 << DxF0xE4_x70_RxRcbCplTimeoutMode_OFFSET)
+ },
+ {
+ DxF0xE4_xA0_ADDRESS,
+ DxF0xE4_xA0_Lc16xClearTxPipe_MASK | DxF0xE4_xA0_LcL1ImmediateAck_MASK,
+ (0x3 << DxF0xE4_xA0_Lc16xClearTxPipe_OFFSET) |
+ (0x1 << DxF0xE4_xA0_LcL1ImmediateAck_OFFSET)
+ },
+ {
+ DxF0xE4_xA1_ADDRESS,
+ DxF0xE4_xA1_LcDontGotoL0sifL1Armed_MASK,
+ (0x1 << DxF0xE4_xA1_LcDontGotoL0sifL1Armed_OFFSET)
+ },
+ {
+ DxF0xE4_xA2_ADDRESS,
+ DxF0xE4_xA2_LcRenegotiateEn_MASK | DxF0xE4_xA2_LcUpconfigureSupport_MASK,
+ (0x1 << DxF0xE4_xA2_LcRenegotiateEn_OFFSET) |
+ (0x1 << DxF0xE4_xA2_LcUpconfigureSupport_OFFSET)
+ },
+ {
+ DxF0xE4_xA3_ADDRESS,
+ DxF0xE4_xA3_LcXmitFtsBeforeRecovery_MASK,
+ (0x1 << DxF0xE4_xA3_LcXmitFtsBeforeRecovery_OFFSET)
+ },
+ {
+ DxF0xE4_xB1_ADDRESS,
+ DxF0xE4_xB1_LcDeassertRxEnInL0s_MASK | DxF0xE4_xB1_LcBlockElIdleinL0_MASK,
+ (0x1 << DxF0xE4_xB1_LcDeassertRxEnInL0s_OFFSET) |
+ (0x1 << DxF0xE4_xB1_LcBlockElIdleinL0_OFFSET)
+ }
+};
+
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * 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
+PciePortInitCallback (
+ IN PCIe_ENGINE_CONFIG *Engine,
+ IN OUT VOID *Buffer,
+ IN PCIe_PLATFORM_CONFIG *Pcie
+ )
+{
+ ASSERT (Engine->EngineData.EngineType == PciePortEngine);
+ PciePortProgramRegisterTable (PortInitTable, (sizeof (PortInitTable) / sizeof (PCIE_PORT_REGISTER_ENTRY)), Engine, FALSE, Pcie);
+ PcieSetLinkSpeedCap (PcieGen1, Engine, Pcie);
+ PcieSetLinkWidthCap (Engine, Pcie);
+ PcieCompletionTimeout (Engine, Pcie);
+ PcieLinkSetSlotCap (Engine, Pcie);
+ PcieLinkInitHotplug (Engine, Pcie);
+ PcieFmPhyChannelCharacteristic (Engine, Pcie);
+ if (Engine->Type.Port.PortData.MiscControls.LinkSafeMode == PcieGen1) {
+ PcieLinkSafeMode (Engine, Pcie);
+ }
+ if (Engine->Type.Port.PortData.PortPresent == PortDisabled) {
+ ASSERT (Engine->Type.Port.IsSB == FALSE);
+ PcieTrainingSetPortState (Engine, LinkStateDeviceNotPresent, FALSE, Pcie);
+ }
+ if (Engine->Type.Port.PortData.MiscControls.LinkComplianceMode == 0x1) {
+ PcieTrainingSetPortState (Engine, LinkStateTrainingCompleted, FALSE, Pcie);
+ }
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Master procedure to init various features on all active ports
+ *
+ *
+ *
+ *
+ * @param[in] Pcie Pointer to global PCIe configuration
+ * @retval AGESA_STATUS
+ *
+ */
+
+AGESA_STATUS
+PciePortInit (
+ IN PCIe_PLATFORM_CONFIG *Pcie
+ )
+{
+ AGESA_STATUS Status;
+ Status = AGESA_SUCCESS;
+ PcieConfigRunProcForAllEngines (
+ DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE,
+ PciePortInitCallback,
+ NULL,
+ Pcie
+ );
+ return Status;
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Callback to init various features on all 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
+PciePortPostInitCallback (
+ IN PCIe_ENGINE_CONFIG *Engine,
+ IN OUT VOID *Buffer,
+ IN PCIe_PLATFORM_CONFIG *Pcie
+ )
+{
+ PCIE_LINK_SPEED_CAP LinkSpeedCapability;
+ ASSERT (Engine->EngineData.EngineType == PciePortEngine);
+ if (Engine->Type.Port.PortData.MiscControls.LinkSafeMode == PcieGen1) {
+ PcieLinkSafeMode (Engine, Pcie);
+ }
+ LinkSpeedCapability = PcieFmGetLinkSpeedCap (PCIE_PORT_GEN_CAP_BOOT, Engine, Pcie);
+ PcieSetLinkSpeedCap (LinkSpeedCapability, Engine, Pcie);
+ if (PcieConfigCheckPortStatus (Engine, INIT_STATUS_PCIE_TRAINING_SUCCESS) && (LinkSpeedCapability > PcieGen1) && !Engine->Type.Port.IsSB) {
+ PcieTrainingSetPortState (Engine, LinkStateRetrain, FALSE, Pcie);
+ PcieConfigUpdatePortStatus (Engine, 0, INIT_STATUS_PCIE_TRAINING_SUCCESS);
+ }
+ if (Engine->Type.Port.PortData.MiscControls.LinkComplianceMode == 0x1) {
+ PcieForceCompliance (Engine, Pcie);
+ PcieTrainingSetPortState (Engine, LinkStateResetExit, FALSE, Pcie);
+ }
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Master procedure to init various features on all active ports
+ *
+ *
+ *
+ *
+ * @param[in] Pcie Pointer to global PCIe configuration
+ * @retval AGESA_STATUS
+ *
+ */
+
+AGESA_STATUS
+PciePortPostInit (
+ IN PCIe_PLATFORM_CONFIG *Pcie
+ )
+{
+ AGESA_STATUS Status;
+ Status = AGESA_SUCCESS;
+ PcieConfigRunProcForAllEngines (
+ DESCRIPTOR_ALLOCATED | DESCRIPTOR_PCIE_ENGINE,
+ PciePortPostInitCallback,
+ NULL,
+ Pcie
+ );
+ return Status;
+}