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   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 --*/
   9
  10 #ifndef _I2C_ACCESS_H_
  11 #define _I2C_ACCESS_H_
  12
  13 #include "I2CIoLibPei.h"
  14
  15 #define DEFAULT_PCI_BUS_NUMBER_PCH             0
  16
  17 #define PCI_DEVICE_NUMBER_PCH_LPC              31
  18 #define PCI_FUNCTION_NUMBER_PCH_LPC            0
  19
  20 #define R_PCH_LPC_ACPI_BASE                    0x40            // ABASE, 16bit
  21 #define R_PCH_LPC_ACPI_BASEADR                 0x400           // ABASE, 16bit
  22 #define B_PCH_LPC_ACPI_BASE_EN                 BIT1            // Enable Bit
  23 #define B_PCH_LPC_ACPI_BASE_BAR                0x0000FF80      // Base Address, 128 Bytes
  24 #define V_PCH_ACPI_PM1_TMR_MAX_VAL             0x1000000       // The timer is 24 bit overflow
  25 #define B_PCH_ACPI_PM1_TMR_VAL                 0xFFFFFF        // The timer value mask
  26
  27 #define R_PCH_ACPI_PM1_TMR                     0x08            // Power Management 1 Timer
  28 #define V_PCH_ACPI_PM1_TMR_FREQUENCY           3579545         // Timer Frequency
  29
  30
  31 #define PchLpcPciCfg8(Register) I2CLibPeiMmioRead8 (MmPciAddress (0, DEFAULT_PCI_BUS_NUMBER_PCH, PCI_DEVICE_NUMBER_PCH_LPC, 0, Register))
  32
  33 #define PCIEX_BASE_ADDRESS                     0xE0000000
  34 #define PCI_EXPRESS_BASE_ADDRESS               ((VOID *) (UINTN) PCIEX_BASE_ADDRESS)
  35
  36 #define MmPciAddress( Segment, Bus, Device, Function, Register ) \
  37   ( (UINTN)PCI_EXPRESS_BASE_ADDRESS + \
  38     (UINTN)(Bus << 20) + \
  39     (UINTN)(Device << 15) + \
  40     (UINTN)(Function << 12) + \
  41     (UINTN)(Register) \
  42   )
  43 #endif
  44