src/mainboard/asrock/e350m1/PlatformGnbPcie.c

/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2011 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.
 */

#include "AGESA.h"
#include "amdlib.h"
#include "Ids.h"
#include "heapManager.h"
#include "PlatformGnbPcieComplex.h"
#include "Filecode.h"

#include <string.h>
#include <northbridge/amd/agesa/agesawrapper.h>

#define FILECODE PROC_RECOVERY_MEM_NB_ON_MRNON_FILECODE

/*---------------------------------------------------------------------------------------*/
/**
 *  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, 7),
          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, 0)
        },
        // 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, ...)
        {
          0,
          PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 8, 11),
          //PCIE_DDI_DATA_INITIALIZER (ConnectorTypeDP, Aux1, Hdp1)
          {ConnectorTypeDP, Aux1, Hdp1}
        },
        // Initialize Ddi descriptor (DDI interface Lanes 12:15, DdB, ...)
        {
          DESCRIPTOR_TERMINATE_LIST,
          PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 12, 15),
          //PCIE_DDI_DATA_INITIALIZER (ConnectorTypeDP, Aux2, Hdp2)
          {ConnectorTypeDP, Aux2, Hdp2}
        }
};

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,
};