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1 /** @file
2   Generic definitions for registers in the Intel Ich devices.
3 
4   These definitions should work for any version of Ich.
5 
6   Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
7   This program and the accompanying materials
8   are licensed and made available under the terms and conditions of the BSD License
9   which accompanies this distribution.  The full text of the license may be found at
10   http://opensource.org/licenses/bsd-license.php
11 
12   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14 
15 **/
16 
17 #ifndef _GENERIC_ICH_H_
18 #define _GENERIC_ICH_H_
19 
20 /** GenericIchDefs  Generic ICH Definitions.
21 
22 Definitions beginning with "R_" are registers.
23 Definitions beginning with "B_" are bits within registers.
24 Definitions beginning with "V_" are meaningful values of bits within the registers.
25 **/
26 ///@{
27 
28 /// IchPciAddressing  PCI Bus Address for ICH.
29 ///@{
30 #define PCI_BUS_NUMBER_ICH                0x00  ///< ICH is on PCI Bus 0.
31 #define PCI_DEVICE_NUMBER_ICH_LPC           31  ///< ICH is Device 31.
32 #define PCI_FUNCTION_NUMBER_ICH_LPC          0  ///< ICH is Function 0.
33 ///@}
34 
35 /// IchAcpiCntr   Control for the ICH's ACPI Counter.
36 ///@{
37 #define R_ICH_LPC_ACPI_BASE                   0x40
38 #define   B_ICH_LPC_ACPI_BASE_BAR                 0x0000FF80
39 #define R_ICH_LPC_ACPI_CNT                    0x44
40 #define   B_ICH_LPC_ACPI_CNT_ACPI_EN              0x80
41 ///@}
42 
43 /// IchAcpiTimer  The ICH's ACPI Timer.
44 ///@{
45 #define R_ACPI_PM1_TMR                        0x08
46 #define   V_ACPI_TMR_FREQUENCY                    3579545
47 #define   V_ACPI_PM1_TMR_MAX_VAL                  0x1000000 ///< The timer is 24 bit overflow.
48 ///@}
49 
50 /// Macro to generate the PCI address of any given ICH Register.
51 #define PCI_ICH_LPC_ADDRESS(Register) \
52   ((UINTN)(PCI_LIB_ADDRESS (PCI_BUS_NUMBER_ICH, PCI_DEVICE_NUMBER_ICH_LPC, PCI_FUNCTION_NUMBER_ICH_LPC, Register)))
53 
54 ///@}
55 #endif  // _GENERIC_ICH_H_
56