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/** @file
  The High Precision Event Timer Table

  Copyright (c) 1999 - 2015, Intel Corporation. All rights reserved.<BR>

  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php.

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

//
// Statements that include other files
//

#include <Hpet.h>
#include "AcpiTablePlatform.h"

// Hpet Table
EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER HPET = {
  {
    EFI_ACPI_3_0_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE,
    sizeof (EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER),
    EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION,
    0,                          // to make sum of entire table == 0
    EFI_ACPI_OEM_ID,            // OEMID is a 6 bytes long field
    EFI_ACPI_OEM_TABLE_ID,      // OEM table identification(8 bytes long)
    EFI_ACPI_OEM_REVISION,      // OEM revision
    EFI_ACPI_CREATOR_ID,        // ASL compiler vendor ID
    EFI_ACPI_CREATOR_REVISION   // ASL compiler revision number
  },
  0x0,                          // EventTimerBlockId
  {
      0x00,                     // Address_Space_ID = System Memory
      0x40,                     // Register_Bit_Width = 32 bits, mentioned about write failures when in 64bit in SCU HAS
      0x00,                     // Register_Bit_offset
      0x00,                     // Dword access
      HPET_BASE_ADDRESS,        // Base addresse of HPET
  },
  0x0,                          // Only HPET's _UID in Namespace
  MAIN_COUNTER_MIN_PERIODIC_CLOCK_TICKS,
  0x0
};

VOID*
ReferenceAcpiTable (
  VOID
  )
{
  //
  // Reference the table being generated to prevent the optimizer from
  // removing the data structure from the executable
  //
  return (VOID*)&HPET;
}