edk2-platforms/Platform/Hisilicon/HiKey960/Library/HiKey960Lib/HiKey960.c

/** @file
*
*  Copyright (c) 2018, Linaro Limited. All rights reserved.
*
*  SPDX-License-Identifier: BSD-2-Clause-Patent
*
**/

#include <Library/ArmPlatformLib.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>

#include <Ppi/ArmMpCoreInfo.h>

ARM_CORE_INFO mHiKey960InfoTable[] = {
  {
    // Cluster 0, Core 0
    0x0, 0x0,

    // MP Core MailBox Set/Get/Clear Addresses and Clear Value
    (UINT64)0xFFFFFFFF
  },
  {
    // Cluster 0, Core 1
    0x0, 0x1,

    // MP Core MailBox Set/Get/Clear Addresses and Clear Value
    (UINT64)0xFFFFFFFF
  },
  {
    // Cluster 0, Core 2
    0x0, 0x2,

    // MP Core MailBox Set/Get/Clear Addresses and Clear Value
    (UINT64)0xFFFFFFFF
  },
  {
    // Cluster 0, Core 3
    0x0, 0x3,

    // MP Core MailBox Set/Get/Clear Addresses and Clear Value
    (UINT64)0xFFFFFFFF
  },
  {
    // Cluster 1, Core 0
    0x1, 0x0,

    // MP Core MailBox Set/Get/Clear Addresses and Clear Value
    (UINT64)0xFFFFFFFF
  },
  {
    // Cluster 1, Core 1
    0x1, 0x1,

    // MP Core MailBox Set/Get/Clear Addresses and Clear Value
    (UINT64)0xFFFFFFFF
  },
  {
    // Cluster 1, Core 2
    0x1, 0x2,

    // MP Core MailBox Set/Get/Clear Addresses and Clear Value
    (UINT64)0xFFFFFFFF
  },
  {
    // Cluster 1, Core 3
    0x1, 0x3,

    // MP Core MailBox Set/Get/Clear Addresses and Clear Value
    (UINT64)0xFFFFFFFF
  }
};

/**
  Return the current Boot Mode

  This function returns the boot reason on the platform

  @return   Return the current Boot Mode of the platform

**/
EFI_BOOT_MODE
ArmPlatformGetBootMode (
  VOID
  )
{
  return BOOT_WITH_FULL_CONFIGURATION;
}

/**
  Initialize controllers that must setup in the normal world

  This function is called by the ArmPlatformPkg/Pei or ArmPlatformPkg/Pei/PlatformPeim
  in the PEI phase.

**/
RETURN_STATUS
ArmPlatformInitialize (
  IN  UINTN                     MpId
  )
{
  return RETURN_SUCCESS;
}

EFI_STATUS
PrePeiCoreGetMpCoreInfo (
  OUT UINTN                   *CoreCount,
  OUT ARM_CORE_INFO           **ArmCoreTable
  )
{
  // Only support one cluster
  *CoreCount    = sizeof(mHiKey960InfoTable) / sizeof(ARM_CORE_INFO);
  *ArmCoreTable = mHiKey960InfoTable;
  return EFI_SUCCESS;
}

// Needs to be declared in the file. Otherwise gArmMpCoreInfoPpiGuid is undefined in the contect of PrePeiCore
EFI_GUID mArmMpCoreInfoPpiGuid = ARM_MP_CORE_INFO_PPI_GUID;
ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };

EFI_PEI_PPI_DESCRIPTOR      gPlatformPpiTable[] = {
  {
    EFI_PEI_PPI_DESCRIPTOR_PPI,
    &mArmMpCoreInfoPpiGuid,
    &mMpCoreInfoPpi
  }
};

VOID
ArmPlatformGetPlatformPpiList (
  OUT UINTN                   *PpiListSize,
  OUT EFI_PEI_PPI_DESCRIPTOR  **PpiList
  )
{
  *PpiListSize = sizeof(gPlatformPpiTable);
  *PpiList = gPlatformPpiTable;
}