OvmfPkg/Include/OvmfPlatforms.h

   1 /** @file
   2   OVMF Platform definitions
   3
   4   Copyright (c) 2014, Gabriel L. Somlo <somlo@cmu.edu>
   5
   6   This program and the accompanying materials are licensed and made
   7   available under the terms and conditions of the BSD License which
   8   accompanies this distribution.   The full text of the license may
   9   be found at 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 #ifndef __OVMF_PLATFORMS_H__
  16 #define __OVMF_PLATFORMS_H__
  17
  18 #include <Library/PciLib.h>
  19 #include <IndustryStandard/Pci22.h>
  20
  21 //
  22 // Host Bridge Device ID (DID) values for PIIX4 and Q35/MCH
  23 //
  24 #define INTEL_82441_DEVICE_ID     0x1237  // PIIX4
  25 #define INTEL_Q35_MCH_DEVICE_ID   0x29C0  // Q35
  26
  27 //
  28 // OVMF Host Bridge DID Address
  29 //
  30 #define OVMF_HOSTBRIDGE_DID \
  31   PCI_LIB_ADDRESS (0, 0, 0, PCI_DEVICE_ID_OFFSET)
  32
  33 //
  34 // Power Management Device and Function numbers for PIIX4 and Q35/MCH
  35 //
  36 #define OVMF_PM_DEVICE_PIIX4  0x01
  37 #define OVMF_PM_FUNC_PIIX4    0x03
  38 #define OVMF_PM_DEVICE_Q35    0x1f
  39 #define OVMF_PM_FUNC_Q35      0x00
  40
  41 //
  42 // Power Management Register access for PIIX4 and Q35/MCH
  43 //
  44 #define POWER_MGMT_REGISTER_PIIX4(Offset) \
  45   PCI_LIB_ADDRESS (0, OVMF_PM_DEVICE_PIIX4, OVMF_PM_FUNC_PIIX4, (Offset))
  46 #define POWER_MGMT_REGISTER_Q35(Offset) \
  47   PCI_LIB_ADDRESS (0, OVMF_PM_DEVICE_Q35, OVMF_PM_FUNC_Q35, (Offset))
  48
  49 #endif