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.
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

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

#define FILECODE PROC_RECOVERY_MEM_NB_ON_MRNON_FILECODE

/*---------------------------------------------------------------------------------------*/
/**
 *  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
  )
{
  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, //Descriptor flags  !!!IMPORTANT!!! Terminate last element of array
          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)
        },
	#if 1
        // Initialize Port descriptor (PCIe port, Lanes 5, PCI Device Number 5, ...)
        {
          0, //Descriptor flags  !!!IMPORTANT!!! Terminate last element of array
          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, //Descriptor flags  !!!IMPORTANT!!! Terminate last element of array
          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)
        },
	#endif
        // Initialize Port descriptor (PCIe port, Lanes 8, PCI Device Number 8, ...)
        {
          DESCRIPTOR_TERMINATE_LIST, //Descriptor flags  !!!IMPORTANT!!! Terminate last element of array
          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,   //Descriptor flags
          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, //Descriptor flags  !!!IMPORTANT!!! Terminate last element of array
          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 (PCIe_COMPLEX_DESCRIPTOR)  +
                                         sizeof (PCIe_PORT_DESCRIPTOR) * 5 +
                                         sizeof (PCIe_DDI_DESCRIPTOR)) * 2;

  AllocHeapParams.BufferHandle = AMD_MEM_MISC_HANDLES_START;
  AllocHeapParams.Persist = HEAP_LOCAL_CACHE;
  Status = HeapAllocateBuffer (&AllocHeapParams, &InitEarly->StdHeader);
  if ( Status!= AGESA_SUCCESS) {
    // Could not allocate buffer for PCIe_COMPLEX_DESCRIPTOR , PCIe_PORT_DESCRIPTOR and PCIe_DDI_DESCRIPTOR
    ASSERT(FALSE);
    return Status;
  }

  BrazosPcieComplexListPtr  =  (PCIe_COMPLEX_DESCRIPTOR *) AllocHeapParams.BufferPtr;

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

  AllocHeapParams.BufferPtr += sizeof (PCIe_PORT_DESCRIPTOR) * 5;
  BrazosPcieDdiPtr          =  (PCIe_DDI_DESCRIPTOR *) AllocHeapParams.BufferPtr;

  LibAmdMemFill (BrazosPcieComplexListPtr,
                   0,
                   sizeof (PCIe_COMPLEX_DESCRIPTOR),
                   &InitEarly->StdHeader);

  LibAmdMemFill (BrazosPciePortPtr,
                   0,
                   sizeof (PCIe_PORT_DESCRIPTOR) * 5,
                   &InitEarly->StdHeader);

  LibAmdMemFill (BrazosPcieDdiPtr,
                   0,
                   sizeof (PCIe_DDI_DESCRIPTOR) * 2,
                   &InitEarly->StdHeader);

  LibAmdMemCopy  (BrazosPcieComplexListPtr, &Brazos, sizeof (PCIe_COMPLEX_DESCRIPTOR), &InitEarly->StdHeader);
  LibAmdMemCopy  (BrazosPciePortPtr, &PortList[0], sizeof (PCIe_PORT_DESCRIPTOR) * 5, &InitEarly->StdHeader);
  LibAmdMemCopy  (BrazosPcieDdiPtr, &DdiList[0], sizeof (PCIe_DDI_DESCRIPTOR) *2, &InitEarly->StdHeader);


  ((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;
}