Vlv2TbltDevicePkg/Library/I2CLibPei/I2CAccess.h

   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