1 files changed, 151 insertions, 0 deletions
diff --git a/src/mainboard/amd/pademelon/bootblock/OemCustomize.c b/src/mainboard/amd/pademelon/bootblock/OemCustomize.c
new file mode 100644
index 000000000000..1f4bd3cb3900
--- /dev/null
+++ b/src/mainboard/amd/pademelon/bootblock/OemCustomize.c
@@ -0,0 +1,151 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <amdblocks/agesawrapper.h>
+
+/*
+ * TODO:
+ * Check if a separate PCIe port list is needed for Prairie Falcon APUs. Only Merlin Falcon has
+ * PCIe root ports on the functions of bus 0 device 3.
+ */
+
+static const PCIe_PORT_DESCRIPTOR PortList[] = {
+	/*
+	 * Init Port descriptor (PCIe port, Lanes 8-15,
+	 * PCI Device Number 3, ...)
+	 */
+	{
+		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, Lane 7,
+	 * 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, Lane 6,
+	 * 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, Lane 5,
+	 * PCI Device Number 2, ...)
+	 */
+	{
+		0,
+		PCIE_ENGINE_DATA_INITIALIZER(PcieUnusedEngine, 5, 5),
+		PCIE_PORT_DATA_INITIALIZER_V2(PortDisabled, ChannelTypeExt6db,
+				2, 3,
+				HotplugDisabled,
+				PcieGenMaxSupported,
+				PcieGenMaxSupported,
+				AspmDisabled, 0x04, 0)
+	},
+	/*
+	 * Initialize Port descriptor (PCIe port, Lane4,
+	 * PCI Device Number 2, ...)
+	 */
+	{
+		0,
+		PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 4, 4),
+		PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db,
+				2, 2,
+				HotplugDisabled,
+				PcieGenMaxSupported,
+				PcieGenMaxSupported,
+				AspmDisabled, 0x06, 0)
+	},
+	/*
+	 * Initialize Port descriptor (PCIe port, Lanes 0-3,
+	 * PCI Device Number 2, ...)
+	 */
+	{
+		/*
+		 * Descriptor flags  !!!IMPORTANT!!! Terminate last element
+		 * of array
+		 */
+		DESCRIPTOR_TERMINATE_LIST,
+		PCIE_ENGINE_DATA_INITIALIZER(PcieUnusedEngine, 0, 3),
+		PCIE_PORT_DATA_INITIALIZER_V2(PortDisabled, ChannelTypeExt6db,
+				2, 1,
+				HotplugDisabled,
+				PcieGenMaxSupported,
+				PcieGenMaxSupported,
+				AspmDisabled, 0x07, 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,
+		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 = (void *)PortList,
+	.DdiLinkList  = (void *)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(AMD_EARLY_PARAMS *InitEarly)
+{
+	InitEarly->GnbConfig.PcieComplexList = (void *)&PcieComplex;
+}