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      1 /** @file
      2   Misc Registers Definition.
      3 
      4   Copyright (c) 2011  - 2015, Intel Corporation. All rights reserved.<BR>
      5 
      6   This program and the accompanying materials are licensed and made available under
      7   the terms and conditions of the BSD License that accompanies this distribution.
      8   The full text of the license may be found at
      9   http://opensource.org/licenses/bsd-license.php.
     10 
     11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     13 
     14 --*/
     15 
     16 #ifndef _I2C_ACCESS_H_
     17 #define _I2C_ACCESS_H_
     18 
     19 #include "I2CIoLibPei.h"
     20 
     21 #define DEFAULT_PCI_BUS_NUMBER_PCH             0
     22 
     23 #define PCI_DEVICE_NUMBER_PCH_LPC              31
     24 #define PCI_FUNCTION_NUMBER_PCH_LPC            0
     25 
     26 #define R_PCH_LPC_ACPI_BASE                    0x40            // ABASE, 16bit
     27 #define R_PCH_LPC_ACPI_BASEADR                 0x400           // ABASE, 16bit
     28 #define B_PCH_LPC_ACPI_BASE_EN                 BIT1            // Enable Bit
     29 #define B_PCH_LPC_ACPI_BASE_BAR                0x0000FF80      // Base Address, 128 Bytes
     30 #define V_PCH_ACPI_PM1_TMR_MAX_VAL             0x1000000       // The timer is 24 bit overflow
     31 #define B_PCH_ACPI_PM1_TMR_VAL                 0xFFFFFF        // The timer value mask
     32 
     33 #define R_PCH_ACPI_PM1_TMR                     0x08            // Power Management 1 Timer
     34 #define V_PCH_ACPI_PM1_TMR_FREQUENCY           3579545         // Timer Frequency
     35 
     36 
     37 #define PchLpcPciCfg8(Register) I2CLibPeiMmioRead8 (MmPciAddress (0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, Register))
     38 
     39 #define PCIEX_BASE_ADDRESS                     0xE0000000
     40 #define PCI_EXPRESS_BASE_ADDRESS               ((VOID *) (UINTN) PCIEX_BASE_ADDRESS)
     41 
     42 #define MmPciAddress( Segment, Bus, Device, Function, Register ) \
     43   ( (UINTN)PCI_EXPRESS_BASE_ADDRESS + \
     44     (UINTN)(Bus << 20) + \
     45     (UINTN)(Device << 15) + \
     46     (UINTN)(Function << 12) + \
     47     (UINTN)(Register) \
     48   )
     49 #endif
     50 
     51