src/mainboard/amd/torpedo/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_GNB_PCIE_FAMILY_0X12_F12PCIECOMPLEXCONFIG_FILECODE

PCIe_PORT_DESCRIPTOR PortList [] = {
			// Initialize Port descriptor (PCIe port, Lanes 8:15, PCI Device Number 2, ...)
			{
			  0,   //Descriptor flags
			  PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 8, 15),
			  PCIE_PORT_DATA_INITIALIZER (PortEnabled, ChannelTypeExt6db, 2, HotplugDisabled, PcieGenMaxSupported, PcieGenMaxSupported, AspmDisabled, BIT2)
			},
			// Initialize Port descriptor (PCIe port, Lanes 16:19, PCI Device Number 3, ...)
			{
			  0,   //Descriptor flags
			  PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 16, 19),
			  PCIE_PORT_DATA_INITIALIZER (PortEnabled, ChannelTypeExt6db, 3, HotplugDisabled, PcieGenMaxSupported, PcieGenMaxSupported, AspmDisabled, BIT3)
			},
			// 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 (PortEnabled, ChannelTypeExt6db, 4, HotplugDisabled, PcieGenMaxSupported, PcieGenMaxSupported, AspmDisabled, 0)
			},
			// 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 (PortEnabled, ChannelTypeExt6db, 5, HotplugDisabled, PcieGenMaxSupported, PcieGenMaxSupported, AspmDisabled, 0)
			},
			// 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 (PortEnabled, ChannelTypeExt6db, 6, HotplugDisabled, PcieGenMaxSupported, PcieGenMaxSupported, AspmDisabled, 0)
			},
			// Initialize Port descriptor (PCIe port, Lanes 7, PCI Device Number 7, ...)
			{
			  DESCRIPTOR_TERMINATE_LIST, //Descriptor flags  !!!IMPORTANT!!! Terminate last element of array
			  PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 7, 7),
			  PCIE_PORT_DATA_INITIALIZER (PortEnabled, ChannelTypeExt6db, 7, HotplugDisabled, PcieGenMaxSupported, PcieGenMaxSupported, AspmDisabled, 0)
			}
			// 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, 8, 8),
//			  PCIE_PORT_DATA_INITIALIZER (PortEnabled, ChannelTypeExt6db, 8, HotplugDisabled, PcieGenMaxSupported, PcieGenMaxSupported, AspmDisabled, 0)
//			}
};

PCIe_DDI_DESCRIPTOR DdiList [] = {
			// Initialize Ddi descriptor (DDI interface Lanes 24:27, DdA, ...)
			{
			  0,   //Descriptor flags
			  PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 24, 27),
			  PCIE_DDI_DATA_INITIALIZER (ConnectorTypeNutmegDpToVga, Aux2, Hdp2)
			},
			// Initialize Ddi descriptor (DDI interface Lanes 28:31, DdB, ...)
			{
			  DESCRIPTOR_TERMINATE_LIST, //Descriptor flags  !!!IMPORTANT!!! Terminate last element of array
			  PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 28, 31),
			  PCIE_DDI_DATA_INITIALIZER (ConnectorTypeEDP, Aux1, Hdp1)
			}
};

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

/*---------------------------------------------------------------------------------------*/
/**
 *  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]      **PeiServices
 *    @param[in]      *InitEarly
 *
 *    @retval         VOID
 *
 **/
/*---------------------------------------------------------------------------------------*/
VOID
OemCustomizeInitEarly (
  IN  OUT AMD_EARLY_PARAMS    *InitEarly
  )
{
  AGESA_STATUS         Status;
  VOID                 *LlanoPcieComplexListPtr;
  VOID                 *LlanoPciePortPtr;
  VOID                 *LlanoPcieDdiPtr;

  ALLOCATE_HEAP_PARAMS AllocHeapParams;

  // 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) * 7 +
                                         sizeof (PCIe_DDI_DESCRIPTOR)) * 6;

  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;
  }

  LlanoPcieComplexListPtr  =  (PCIe_COMPLEX_DESCRIPTOR *) AllocHeapParams.BufferPtr;

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

  AllocHeapParams.BufferPtr += sizeof (PCIe_PORT_DESCRIPTOR) * 7;
  LlanoPcieDdiPtr          =  (PCIe_DDI_DESCRIPTOR *) AllocHeapParams.BufferPtr;

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

  LibAmdMemFill (LlanoPciePortPtr,
                   0,
                   sizeof (PCIe_PORT_DESCRIPTOR) * 7,
                   &InitEarly->StdHeader);

  LibAmdMemFill (LlanoPcieDdiPtr,
                   0,
                   sizeof (PCIe_DDI_DESCRIPTOR) * 6,
                   &InitEarly->StdHeader);

  LibAmdMemCopy  (LlanoPcieComplexListPtr, &Llano, sizeof (PCIe_COMPLEX_DESCRIPTOR), &InitEarly->StdHeader);
  LibAmdMemCopy  (LlanoPciePortPtr, &PortList[0], sizeof (PCIe_PORT_DESCRIPTOR) * 7, &InitEarly->StdHeader);
  LibAmdMemCopy  (LlanoPcieDdiPtr, &DdiList[0], sizeof (PCIe_DDI_DESCRIPTOR) * 6, &InitEarly->StdHeader);


  ((PCIe_COMPLEX_DESCRIPTOR*)LlanoPcieComplexListPtr)->PciePortList =  (PCIe_PORT_DESCRIPTOR*)LlanoPciePortPtr;
  ((PCIe_COMPLEX_DESCRIPTOR*)LlanoPcieComplexListPtr)->DdiLinkList  =  (PCIe_DDI_DESCRIPTOR*)LlanoPcieDdiPtr;

  InitEarly->GnbConfig.PcieComplexList = LlanoPcieComplexListPtr;
  InitEarly->GnbConfig.PsppPolicy      = 0;
}