mirror of https://github.com/acidanthera/audk.git
70 lines
2.1 KiB
Plaintext
70 lines
2.1 KiB
Plaintext
/*++
|
|
|
|
Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved
|
|
|
|
This program and the accompanying materials are licensed and made available under
|
|
the terms and conditions of the BSD License that 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.
|
|
|
|
|
|
|
|
Module Name:
|
|
|
|
Hpet.c
|
|
|
|
Abstract:
|
|
|
|
This file contains a structure definition for the ACPI HPET Table.
|
|
--*/
|
|
|
|
//
|
|
// Statements that include other files
|
|
//
|
|
#ifdef ECP_FLAG
|
|
#include <Tiano.h>
|
|
#endif
|
|
#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;
|
|
}
|