/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2011 Advanced Micro Devices, Inc.
 * Copyright (C) 2013-2014 Sage Electronic Engineering, LLC
 *
 * 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 "PlatformGnbPcieComplex.h"

#include <string.h>
#include <northbridge/amd/agesa/agesawrapper.h>
#include <vendorcode/amd/agesa/f14/Proc/CPU/heapManager.h>

/**
 *	OemCustomizeInitEarly
 *
 *	Description:
 *	This stub function will call the host environment through the binary block
 *	interface (call-out port) to provide a user hook opportunity
 *
 *	Parameters:
 *	@param[in]		*InitEarly
 *
 *	@retval		 VOID
 *
 **/

static AGESA_STATUS OemInitEarly(AMD_EARLY_PARAMS * InitEarly)
{
	AGESA_STATUS		 Status;
	VOID				 *BrazosPcieComplexListPtr;
	VOID				 *BrazosPciePortPtr;
	VOID				 *BrazosPcieDdiPtr;

	ALLOCATE_HEAP_PARAMS AllocHeapParams;

PCIe_PORT_DESCRIPTOR PortList [] = {
		// Initialize Port descriptor (PCIe port, Lanes 4, PCI Device Number 4, ...)
		{
			0,
			PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 4, 4),
			PCIE_PORT_DATA_INITIALIZER (GNB_GPP_PORT4_PORT_PRESENT, GNB_GPP_PORT4_CHANNEL_TYPE, 4, GNB_GPP_PORT4_HOTPLUG_SUPPORT, GNB_GPP_PORT4_SPEED_MODE, GNB_GPP_PORT4_SPEED_MODE, GNB_GPP_PORT4_LINK_ASPM, 4)
		},
		// Initialize Port descriptor (PCIe port, Lanes 5, PCI Device Number 5, ...)
		{
			0,
			PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 5, 5),
			PCIE_PORT_DATA_INITIALIZER (GNB_GPP_PORT5_PORT_PRESENT, GNB_GPP_PORT5_CHANNEL_TYPE, 5, GNB_GPP_PORT5_HOTPLUG_SUPPORT, GNB_GPP_PORT5_SPEED_MODE, GNB_GPP_PORT5_SPEED_MODE, GNB_GPP_PORT5_LINK_ASPM, 5)
		},
		// Initialize Port descriptor (PCIe port, Lanes 6, PCI Device Number 6, ...)
		{
			0,
			PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 6, 6),
			PCIE_PORT_DATA_INITIALIZER (GNB_GPP_PORT6_PORT_PRESENT, GNB_GPP_PORT6_CHANNEL_TYPE, 6, GNB_GPP_PORT6_HOTPLUG_SUPPORT, GNB_GPP_PORT6_SPEED_MODE, GNB_GPP_PORT6_SPEED_MODE, GNB_GPP_PORT6_LINK_ASPM, 6)
		},
		// Initialize Port descriptor (PCIe port, Lanes 7, PCI Device Number 7, ...)
		{
			0,
			PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 7, 7),
			PCIE_PORT_DATA_INITIALIZER (GNB_GPP_PORT7_PORT_PRESENT, GNB_GPP_PORT7_CHANNEL_TYPE, 7, GNB_GPP_PORT7_HOTPLUG_SUPPORT, GNB_GPP_PORT7_SPEED_MODE, GNB_GPP_PORT7_SPEED_MODE, GNB_GPP_PORT7_LINK_ASPM, 7)
		},
		// Initialize Port descriptor (PCIe port, Lanes 8, PCI Device Number 8, ...)
		{
			DESCRIPTOR_TERMINATE_LIST,
			PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 0, 3),
			PCIE_PORT_DATA_INITIALIZER (GNB_GPP_PORT8_PORT_PRESENT, GNB_GPP_PORT8_CHANNEL_TYPE, 8, GNB_GPP_PORT8_HOTPLUG_SUPPORT, GNB_GPP_PORT8_SPEED_MODE, GNB_GPP_PORT8_SPEED_MODE, GNB_GPP_PORT8_LINK_ASPM, 0)
		}
};

PCIe_DDI_DESCRIPTOR DdiList [] = {
		// Initialize Ddi descriptor (DDI interface Lanes 8:11, DdA, ...)
		{
			DESCRIPTOR_TERMINATE_LIST,
			PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 8, 11),
			//PCIE_DDI_DATA_INITIALIZER (ConnectorTypeDP, Aux1, Hdp1)
			{ConnectorTypeDP, Aux1, Hdp1}
		},
};

PCIe_COMPLEX_DESCRIPTOR Brazos = {
		DESCRIPTOR_TERMINATE_LIST,
		0,
		&PortList[0],
		&DdiList[0]
};

	// GNB PCIe topology Porting

	//
	// Allocate buffer for PCIe_COMPLEX_DESCRIPTOR , PCIe_PORT_DESCRIPTOR and PCIe_DDI_DESCRIPTOR
	//
	AllocHeapParams.RequestedBufferSize = sizeof(Brazos) + sizeof(PortList) + sizeof(DdiList);

	AllocHeapParams.BufferHandle = AMD_MEM_MISC_HANDLES_START;
	AllocHeapParams.Persist = HEAP_LOCAL_CACHE;
	Status = HeapAllocateBuffer (&AllocHeapParams, &InitEarly->StdHeader);
	ASSERT(Status == AGESA_SUCCESS);

	BrazosPcieComplexListPtr	=	(PCIe_COMPLEX_DESCRIPTOR *) AllocHeapParams.BufferPtr;

	AllocHeapParams.BufferPtr += sizeof(Brazos);
	BrazosPciePortPtr		 =	(PCIe_PORT_DESCRIPTOR *)AllocHeapParams.BufferPtr;

	AllocHeapParams.BufferPtr += sizeof(PortList);
	BrazosPcieDdiPtr			=	(PCIe_DDI_DESCRIPTOR *) AllocHeapParams.BufferPtr;

	memcpy(BrazosPcieComplexListPtr, &Brazos, sizeof(Brazos));
	memcpy(BrazosPciePortPtr, &PortList[0], sizeof(PortList));
	memcpy(BrazosPcieDdiPtr, &DdiList[0], sizeof(DdiList));


	((PCIe_COMPLEX_DESCRIPTOR*)BrazosPcieComplexListPtr)->PciePortList =	(PCIe_PORT_DESCRIPTOR*)BrazosPciePortPtr;
	((PCIe_COMPLEX_DESCRIPTOR*)BrazosPcieComplexListPtr)->DdiLinkList	=	(PCIe_DDI_DESCRIPTOR*)BrazosPcieDdiPtr;

	InitEarly->GnbConfig.PcieComplexList = BrazosPcieComplexListPtr;
	InitEarly->GnbConfig.PsppPolicy		= 0;
	return AGESA_SUCCESS;
}

const struct OEM_HOOK OemCustomize = {
	.InitEarly = OemInitEarly,
};
