ArmPkg/AArch64Mmu: remove cache maintenance for page tables

[mirror_edk2.git] / ArmPlatformPkg / ArmVExpressPkg / Library / ArmVExpressLibRTSM / RTSMFoundation.c

/** @file\r
*\r
*  Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
*\r
*  This program and the accompanying materials\r
*  are licensed and made available under the terms and conditions of the BSD License\r
*  which accompanies this distribution.  The full text of the license may be found at\r
*  http://opensource.org/licenses/bsd-license.php\r
*\r
*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
*\r
**/\r
\r
#include <Library/IoLib.h>\r
#include <Library/ArmPlatformLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/PcdLib.h>\r
\r
#include <Ppi/ArmMpCoreInfo.h>\r
\r
#include <ArmPlatform.h>\r
\r
ARM_CORE_INFO mVersatileExpressMpCoreInfoTable[] = {\r
  {\r
    // Cluster 0, Core 0\r
    0x0, 0x0,\r
\r
    // NOTE:\r
    // The foundation model does not have the VE_SYS_REGS like all the other VE\r
    // platforms. We pick a spot in RAM that *should* be safe in the simple case\r
    // of no UEFI apps interfering (Only the Linux loader getting used). By the\r
    // time we come to load Linux we should have all the cores in a safe place.\r
    // The image expects to be loaded at 0xa0000000. We also place the mailboxes\r
    // here as it does not matter if we corrupt the image at this time.\r
    // NOTE also see: "ArmVExpressSecLibRTSM/AArch64/RTSMFoundationBoot.S"\r
\r
    // MP Core MailBox Set/Get/Clear Addresses and Clear Value\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (UINT64)0x0\r
\r
  },\r
  {\r
    // Cluster 0, Core 1\r
    0x0, 0x1,\r
\r
    // MP Core MailBox Set/Get/Clear Addresses and Clear Value\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (UINT64)0x0\r
\r
  },\r
  {\r
    // Cluster 0, Core 2\r
    0x0, 0x2,\r
\r
    // MP Core MailBox Set/Get/Clear Addresses and Clear Value\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (UINT64)0x0\r
  },\r
  {\r
    // Cluster 0, Core 3\r
    0x0, 0x3,\r
\r
    // MP Core MailBox Set/Get/Clear Addresses and Clear Value\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (EFI_PHYSICAL_ADDRESS)0xa0000000,\r
    (UINT64)0x0\r
  }\r
};\r
\r
/**\r
  Return the current Boot Mode\r
\r
  This function returns the boot reason on the platform\r
\r
  @return   Return the current Boot Mode of the platform\r
\r
**/\r
EFI_BOOT_MODE\r
ArmPlatformGetBootMode (\r
  VOID\r
  )\r
{\r
  return BOOT_WITH_FULL_CONFIGURATION;\r
}\r
\r
/**\r
  Initialize controllers that must setup in the normal world\r
\r
  This function is called by the ArmPlatformPkg/Pei or ArmPlatformPkg/Pei/PlatformPeim\r
  in the PEI phase.\r
\r
**/\r
RETURN_STATUS\r
ArmPlatformInitialize (\r
  IN  UINTN                     MpId\r
  )\r
{\r
  /* The Foundation model has no SP810 to initialise. */\r
\r
  return RETURN_SUCCESS;\r
}\r
\r
/**\r
  Initialize the system (or sometimes called permanent) memory\r
\r
  This memory is generally represented by the DRAM.\r
\r
**/\r
VOID\r
ArmPlatformInitializeSystemMemory (\r
  VOID\r
  )\r
{\r
  // Nothing to do here\r
}\r
\r
EFI_STATUS\r
PrePeiCoreGetMpCoreInfo (\r
  OUT UINTN                   *CoreCount,\r
  OUT ARM_CORE_INFO           **ArmCoreTable\r
  )\r
{\r
  // Foundation model has no VE_SYS_REGS\r
  // Only support one cluster\r
  *CoreCount    = ArmGetCpuCountPerCluster ();\r
  *ArmCoreTable = mVersatileExpressMpCoreInfoTable;\r
\r
  return EFI_SUCCESS;\r
}\r
\r
// Needs to be declared in the file. Otherwise gArmMpCoreInfoPpiGuid is undefined in the context of PrePeiCore\r
EFI_GUID mArmMpCoreInfoPpiGuid = ARM_MP_CORE_INFO_PPI_GUID;\r
ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };\r
\r
EFI_PEI_PPI_DESCRIPTOR      gPlatformPpiTable[] = {\r
  {\r
    EFI_PEI_PPI_DESCRIPTOR_PPI,\r
    &mArmMpCoreInfoPpiGuid,\r
    &mMpCoreInfoPpi\r
  }\r
};\r
\r
VOID\r
ArmPlatformGetPlatformPpiList (\r
  OUT UINTN                   *PpiListSize,\r
  OUT EFI_PEI_PPI_DESCRIPTOR  **PpiList\r
  )\r
{\r
  *PpiListSize = sizeof(gPlatformPpiTable);\r
  *PpiList = gPlatformPpiTable;\r
}\r