Add in the 1st version of ECP.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2832 6f19259b-4bc3-4df7-8a09-765794883524

EdkCompatibilityPkg/Foundation/Framework/Include/EfiPciCfg.h

@@ -0,0 +1,82 @@
+/*++
+
+Copyright (c) 2007, Intel Corporation                                                         
+All rights reserved. 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.             
+
+Module Name:
+
+ EfiPciCfg.h
+
+Abstract:
+
+  Abstract the common fields of PciCfg definition between Framework 0.9x
+  and PI 1.0.
+ 
+--*/
+
+#ifndef _EFI_PCI_CFG_H_
+#define _EFI_PCI_CFG_H_
+
+//
+// Framework specification 0.9x definition.
+//
+typedef enum {
+  PeiPciCfgWidthUint8   = 0,
+  PeiPciCfgWidthUint16  = 1,
+  PeiPciCfgWidthUint32  = 2,
+  PeiPciCfgWidthUint64  = 3,
+  PeiPciCfgWidthMaximum
+} PEI_PCI_CFG_PPI_WIDTH;
+
+#define PEI_PCI_CFG_ADDRESS(bus, dev, func, reg)  ( \
+      (UINT64) ((((UINTN) bus) << 24) + (((UINTN) dev) << 16) + (((UINTN) func) << 8) + ((UINTN) reg)) \
+    ) & 0x00000000ffffffff
+
+//
+// PI 1.0 definition.
+//
+typedef enum {
+  EfiPeiPciCfgWidthUint8   = 0,
+  EfiPeiPciCfgWidthUint16  = 1,
+  EfiPeiPciCfgWidthUint32  = 2,
+  EfiPeiPciCfgWidthUint64  = 3,
+  EfiPeiPciCfgWidthMaximum
+} EFI_PEI_PCI_CFG_PPI_WIDTH;
+
+#define EFI_PEI_PCI_CFG_ADDRESS(bus, dev, func, reg)   \
+            (   ((bus) << 24)  | \
+                ((dev) << 16)  | \
+                ((func) << 8)  | \
+                ((reg) < 256 ? (reg): ((UINT64)(reg) << 32))) 
+
+
+#if (PI_SPECIFICATION_VERSION < 0x00010000)
+
+typedef struct {
+  UINT8 Register;
+  UINT8 Function;
+  UINT8 Device;
+  UINT8 Bus;
+  UINT8 Reserved[4];
+} PEI_PCI_CFG_PPI_PCI_ADDRESS;
+
+typedef PEI_PCI_CFG_PPI_PCI_ADDRESS        EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS;
+
+#else
+
+typedef struct {
+  UINT8 Register;
+  UINT8 Function;
+  UINT8 Device;
+  UINT8 Bus;
+  UINT32 ExtendedRegister;
+} EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS;
+#endif
+
+#endif