audk/PerformancePkg/Include/Ich/GenericIch.h

55 lines
2.0 KiB
C

/** @file
Generic definitions for registers in the Intel Ich devices.
These definitions should work for any version of Ich.
Copyright (c) 2009-2010, 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.
**/
#ifndef _GENERIC_ICH_H_
#define _GENERIC_ICH_H_
/** @defgroup GenericIchDefs Generic ICH Definitions.
Definitions beginning with "R_" are registers.
Definitions beginning with "B_" are bits within registers.
Definitions beginning with "V_" are meaningful values of bits within the registers.
**/
///@{
/// @defgroup IchPciAddressing PCI Bus Address for ICH.
///@{
#define PCI_BUS_NUMBER_ICH 0x00 ///< ICH is on PCI Bus 0.
#define PCI_DEVICE_NUMBER_ICH_LPC 31 ///< ICH is Device 31.
#define PCI_FUNCTION_NUMBER_ICH_LPC 0 ///< ICH is Function 0.
///@}
/// @defgroup IchAcpiCntr Control for the ICH's ACPI Counter.
///@{
#define R_ICH_LPC_ACPI_BASE 0x40
#define R_ICH_LPC_ACPI_CNT 0x44
#define B_ICH_LPC_ACPI_CNT_ACPI_EN 0x80
///@}
/// @defgroup IchAcpiTimer The ICH's ACPI Timer.
///@{
#define R_ACPI_PM1_TMR 0x08
#define V_ACPI_TMR_FREQUENCY 3579545
#define V_ACPI_PM1_TMR_MAX_VAL 0x1000000 ///< The timer is 24 bit overflow.
///@}
/// Macro to generate the PCI address of any given ICH Register.
#define PCI_ICH_LPC_ADDRESS(Register) \
((UINTN)(PCI_LIB_ADDRESS (PCI_BUS_NUMBER_ICH, PCI_DEVICE_NUMBER_ICH_LPC, PCI_FUNCTION_NUMBER_ICH_LPC, Register)))
///@}
#endif // _GENERIC_ICH_H_