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-rw-r--r--src/mainboard/amd/bettong/PlatformGnbPcie.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/src/mainboard/amd/bettong/PlatformGnbPcie.c b/src/mainboard/amd/bettong/PlatformGnbPcie.c
new file mode 100644
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+++ b/src/mainboard/amd/bettong/PlatformGnbPcie.c
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+#include <northbridge/amd/pi/agesawrapper.h>
+
+#define FILECODE PROC_GNB_PCIE_FAMILY_0X15_F15PCIECOMPLEXCONFIG_FILECODE
+
+static const PCIe_PORT_DESCRIPTOR PortList [] = {
+ /* Initialize Port descriptor (PCIe port, Lanes 8-15, PCI Device Number 2, ...) */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 8, 15),
+ PCIE_PORT_DATA_INITIALIZER_V2 (PortEnabled, ChannelTypeExt6db, 3, 1,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x02, 0)
+ },
+
+ /* Initialize Port descriptor (PCIe port, Lanes 2, PCI Device Number 2, ...) */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 7, 7),
+ PCIE_PORT_DATA_INITIALIZER_V2 (PortEnabled, ChannelTypeExt6db, 2, 5,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x03, 0)
+ },
+ /* Initialize Port descriptor (PCIe port, Lanes 3, PCI Device Number 2, ...) */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 6, 6),
+ PCIE_PORT_DATA_INITIALIZER_V2 (PortEnabled, ChannelTypeExt6db, 2, 4,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x04, 0)
+ },
+ /* Initialize Port descriptor (PCIe port, Lanes 4-7, PCI Device Number 4, ...) */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 5, 5),
+ PCIE_PORT_DATA_INITIALIZER_V2 (PortEnabled, ChannelTypeExt6db, 2, 3,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x05, 0)
+ },
+ /* Initialize Port descriptor (PCIe port, Lanes 4-7, PCI Device Number 4, ...) */
+ {
+ DESCRIPTOR_TERMINATE_LIST, // Descriptor flags !!!IMPORTANT!!! Terminate last element of array
+ PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 4, 4),
+ PCIE_PORT_DATA_INITIALIZER_V2 (PortEnabled, ChannelTypeExt6db, 2, 2,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x06, 0)
+ },
+};
+
+static const PCIe_DDI_DESCRIPTOR DdiList [] = {
+ /* DP0 */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 16, 19),
+ PCIE_DDI_DATA_INITIALIZER (ConnectorTypeDP, Aux1, Hdp1)
+ },
+ /* DP1 */
+ {
+ 0, //DESCRIPTOR_TERMINATE_LIST,
+ PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 20, 23),
+ PCIE_DDI_DATA_INITIALIZER (ConnectorTypeDP, Aux2, Hdp2)
+ },
+ /* DP2 */
+ {
+ DESCRIPTOR_TERMINATE_LIST,
+ PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 24, 27),
+ PCIE_DDI_DATA_INITIALIZER (ConnectorTypeDP, Aux3, Hdp3)
+ },
+};
+
+static const PCIe_COMPLEX_DESCRIPTOR PcieComplex = {
+ .Flags = DESCRIPTOR_TERMINATE_LIST,
+ .SocketId = 0,
+ .PciePortList = PortList,
+ .DdiLinkList = DdiList
+};
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * OemCustomizeInitEarly
+ *
+ * Description:
+ * This is the stub function will call the host environment through the binary block
+ * interface (call-out port) to provide a user hook opportunity
+ *
+ * Parameters:
+ * @param[in] **PeiServices
+ * @param[in] *InitEarly
+ *
+ * @retval VOID
+ *
+ **/
+/*---------------------------------------------------------------------------------------*/
+VOID OemCustomizeInitEarly (
+ IN OUT AMD_EARLY_PARAMS *InitEarly
+ )
+{
+ InitEarly->GnbConfig.PcieComplexList = &PcieComplex;
+}