OvmfPkg: split Include/OvmfPlatforms.h

Move platform specific macros to their own include files.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17432 6f19259b-4bc3-4df7-8a09-765794883524

OvmfPkg/Include/IndustryStandard/Q35MchIch9.h

@@ -0,0 +1,34 @@
+/** @file
+  Various register numbers and value bits based on the following publications:
+  - Intel(R) datasheet 316966-002
+  - Intel(R) datasheet 316972-004
+
+  Copyright (C) 2015, Red Hat, Inc.
+  Copyright (c) 2014, Gabriel L. Somlo <somlo@cmu.edu>
+
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution.   The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+
+#ifndef __Q35_MCH_ICH9_H__
+#define __Q35_MCH_ICH9_H__
+
+#include <Library/PciLib.h>
+
+//
+// Host Bridge Device ID (DID) value for Q35/MCH
+//
+#define INTEL_Q35_MCH_DEVICE_ID 0x29C0
+
+//
+// B/D/F/Type: 0/0x1f/0/PCI
+//
+#define POWER_MGMT_REGISTER_Q35(Offset) \
+  PCI_LIB_ADDRESS (0, 0x1f, 0, (Offset))
+
+#endif