gnu-efi/inc/pci22.h

   1 #ifndef _PCI22_H
   2 #define _PCI22_H
   3
   4 /*++
   5
   6 Copyright (c) 1999  Intel Corporation
   7
   8 Module Name:
   9
  10     pci22.h
  11
  12 Abstract:
  13     Support for PCI 2.2 standard.
  14
  15
  16
  17
  18 Revision History
  19
  20 --*/
  21
  22 #ifdef SOFT_SDV
  23 #define PCI_MAX_BUS     1
  24 #else
  25 #define PCI_MAX_BUS     255
  26 #endif
  27
  28 #define PCI_MAX_DEVICE  31
  29 #define PCI_MAX_FUNC    7
  30
  31 //
  32 // Command
  33 //
  34 #define PCI_VGA_PALETTE_SNOOP_DISABLED   0x20
  35
  36 #pragma pack(1)
  37 typedef struct {
  38     UINT16      VendorId;
  39     UINT16      DeviceId;
  40     UINT16      Command;
  41     UINT16      Status;
  42     UINT8       RevisionID;
  43     UINT8       ClassCode[3];
  44     UINT8       CacheLineSize;
  45     UINT8       LaytencyTimer;
  46     UINT8       HeaderType;
  47     UINT8       BIST;
  48 } PCI_DEVICE_INDEPENDENT_REGION;
  49
  50 typedef struct {
  51     UINT32      Bar[6];
  52     UINT32      CISPtr;
  53     UINT16      SubsystemVendorID;
  54     UINT16      SubsystemID;
  55     UINT32      ExpansionRomBar;
  56     UINT32      Reserved[2];
  57     UINT8       InterruptLine;
  58     UINT8       InterruptPin;
  59     UINT8       MinGnt;
  60     UINT8       MaxLat;
  61 } PCI_DEVICE_HEADER_TYPE_REGION;
  62
  63 typedef struct {
  64     PCI_DEVICE_INDEPENDENT_REGION   Hdr;
  65     PCI_DEVICE_HEADER_TYPE_REGION   Device;
  66 } PCI_TYPE00;
  67
  68 typedef struct {
  69     UINT32      Bar[2];
  70     UINT8       PrimaryBus;
  71     UINT8       SecondaryBus;
  72     UINT8       SubordinateBus;
  73     UINT8       SecondaryLatencyTimer;
  74     UINT8       IoBase;
  75     UINT8       IoLimit;
  76     UINT16      SecondaryStatus;
  77     UINT16      MemoryBase;
  78     UINT16      MemoryLimit;
  79     UINT16      PrefetchableMemoryBase;
  80     UINT16      PrefetchableMemoryLimit;
  81     UINT32      PrefetchableBaseUpper32;
  82     UINT32      PrefetchableLimitUpper32;
  83     UINT16      IoBaseUpper16;
  84     UINT16      IoLimitUpper16;
  85     UINT32      Reserved;
  86     UINT32      ExpansionRomBAR;
  87     UINT8       InterruptLine;
  88     UINT8       InterruptPin;
  89     UINT16      BridgeControl;
  90 } PCI_BRIDGE_CONTROL_REGISTER;
  91
  92 #define PCI_CLASS_DISPLAY_CTRL          0x03
  93 #define PCI_CLASS_VGA                   0x00
  94
  95 #define PCI_CLASS_BRIDGE                0x06
  96 #define PCI_CLASS_ISA                   0x01
  97 #define PCI_CLASS_ISA_POSITIVE_DECODE   0x80
  98
  99 #define PCI_CLASS_NETWORK               0x02
 100 #define PCI_CLASS_ETHERNET              0x00
 101
 102 #define HEADER_TYPE_DEVICE              0x00
 103 #define HEADER_TYPE_PCI_TO_PCI_BRIDGE   0x01
 104 #define HEADER_TYPE_MULTI_FUNCTION      0x80
 105 #define HEADER_LAYOUT_CODE              0x7f
 106
 107 #define IS_PCI_BRIDGE(_p) ((((_p)->Hdr.HeaderType) & HEADER_LAYOUT_CODE) == HEADER_TYPE_PCI_TO_PCI_BRIDGE)
 108 #define IS_PCI_MULTI_FUNC(_p)   (((_p)->Hdr.HeaderType) & HEADER_TYPE_MULTI_FUNCTION)
 109
 110 typedef struct {
 111     PCI_DEVICE_INDEPENDENT_REGION   Hdr;
 112     PCI_BRIDGE_CONTROL_REGISTER     Bridge;
 113 } PCI_TYPE01;
 114
 115 typedef struct {
 116     UINT8   Register;
 117     UINT8   Function;
 118     UINT8   Device;
 119     UINT8   Bus;
 120     UINT8   Reserved[4];
 121 } DEFIO_PCI_ADDR;
 122
 123 typedef struct {
 124     UINT32  Reg     : 8;
 125     UINT32  Func    : 3;
 126     UINT32  Dev     : 5;
 127     UINT32  Bus     : 8;
 128     UINT32  Reserved: 7;
 129     UINT32  Enable  : 1;
 130 } PCI_CONFIG_ACCESS_CF8;
 131
 132 #pragma pack()
 133
 134 #define EFI_ROOT_BRIDGE_LIST    'eprb'
 135 typedef struct {
 136     UINTN           Signature;
 137
 138     UINT16          BridgeNumber;
 139     UINT16          PrimaryBus;
 140     UINT16          SubordinateBus;
 141
 142     EFI_DEVICE_PATH *DevicePath;
 143
 144     LIST_ENTRY      Link;
 145 } PCI_ROOT_BRIDGE_ENTRY;
 146
 147
 148 #define PCI_EXPANSION_ROM_HEADER_SIGNATURE        0xaa55
 149 #define EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE 0x0EF1
 150 #define PCI_DATA_STRUCTURE_SIGNATURE              EFI_SIGNATURE_32('P','C','I','R')
 151
 152 #pragma pack(1)
 153 typedef struct {
 154     UINT16          Signature;              // 0xaa55
 155     UINT8           Reserved[0x16];
 156     UINT16          PcirOffset;
 157 } PCI_EXPANSION_ROM_HEADER;
 158
 159
 160 typedef struct {
 161     UINT16          Signature;              // 0xaa55
 162     UINT16          InitializationSize;
 163     UINT16          EfiSignature;           // 0x0EF1
 164     UINT16          EfiSubsystem;
 165     UINT16          EfiMachineType;
 166     UINT8           Reserved[0x0A];
 167     UINT16          EfiImageHeaderOffset;
 168     UINT16          PcirOffset;
 169 } EFI_PCI_EXPANSION_ROM_HEADER;
 170
 171 typedef struct {
 172     UINT32          Signature;              // "PCIR"
 173     UINT16          VendorId;
 174     UINT16          DeviceId;
 175     UINT16          Reserved0;
 176     UINT16          Length;
 177     UINT8           Revision;
 178     UINT8           ClassCode[3];
 179     UINT16          ImageLength;
 180     UINT16          CodeRevision;
 181     UINT8           CodeType;
 182     UINT8           Indicator;
 183     UINT16          Reserved1;
 184 } PCI_DATA_STRUCTURE;
 185 #pragma pack()
 186
 187 #endif
 188
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