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9060e3ec | 1 | /** @file\r |
2 | Set up ROM Table for PCI Bus module.\r | |
3 | \r | |
cd5ebaa0 HT |
4 | Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r |
5 | This program and the accompanying materials\r | |
9060e3ec | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "PciBus.h"\r | |
16 | \r | |
17 | //\r | |
18 | // PCI ROM image information\r | |
19 | //\r | |
20 | typedef struct {\r | |
21 | EFI_HANDLE ImageHandle;\r | |
22 | UINTN Seg;\r | |
23 | UINT8 Bus;\r | |
24 | UINT8 Dev;\r | |
25 | UINT8 Func;\r | |
26 | UINT64 RomAddress;\r | |
27 | UINT64 RomLength;\r | |
28 | } EFI_PCI_ROM_IMAGE_MAPPING;\r | |
29 | \r | |
30 | UINTN mNumberOfPciRomImages = 0;\r | |
31 | UINTN mMaxNumberOfPciRomImages = 0;\r | |
32 | EFI_PCI_ROM_IMAGE_MAPPING *mRomImageTable = NULL;\r | |
33 | \r | |
34 | /**\r | |
35 | Add the Rom Image to internal database for later PCI light enumeration.\r | |
36 | \r | |
37 | @param ImageHandle Option Rom image handle.\r | |
38 | @param Seg Segment of PCI space.\r | |
39 | @param Bus Bus NO of PCI space.\r | |
40 | @param Dev Dev NO of PCI space.\r | |
41 | @param Func Func NO of PCI space.\r | |
42 | @param RomAddress Base address of OptionRom.\r | |
43 | @param RomLength Length of rom image.\r | |
44 | \r | |
45 | **/\r | |
46 | VOID\r | |
47 | PciRomAddImageMapping (\r | |
48 | IN EFI_HANDLE ImageHandle,\r | |
49 | IN UINTN Seg,\r | |
50 | IN UINT8 Bus,\r | |
51 | IN UINT8 Dev,\r | |
52 | IN UINT8 Func,\r | |
53 | IN UINT64 RomAddress,\r | |
54 | IN UINT64 RomLength\r | |
55 | )\r | |
56 | {\r | |
57 | EFI_PCI_ROM_IMAGE_MAPPING *TempMapping;\r | |
58 | \r | |
59 | if (mNumberOfPciRomImages >= mMaxNumberOfPciRomImages) {\r | |
60 | \r | |
61 | mMaxNumberOfPciRomImages += 0x20;\r | |
62 | \r | |
63 | TempMapping = NULL;\r | |
64 | TempMapping = AllocatePool (mMaxNumberOfPciRomImages * sizeof (EFI_PCI_ROM_IMAGE_MAPPING));\r | |
65 | if (TempMapping == NULL) {\r | |
66 | return ;\r | |
67 | }\r | |
68 | \r | |
69 | CopyMem (TempMapping, mRomImageTable, mNumberOfPciRomImages * sizeof (EFI_PCI_ROM_IMAGE_MAPPING));\r | |
70 | \r | |
71 | if (mRomImageTable != NULL) {\r | |
72 | FreePool (mRomImageTable);\r | |
73 | }\r | |
74 | \r | |
75 | mRomImageTable = TempMapping;\r | |
76 | }\r | |
77 | \r | |
78 | mRomImageTable[mNumberOfPciRomImages].ImageHandle = ImageHandle;\r | |
79 | mRomImageTable[mNumberOfPciRomImages].Seg = Seg;\r | |
80 | mRomImageTable[mNumberOfPciRomImages].Bus = Bus;\r | |
81 | mRomImageTable[mNumberOfPciRomImages].Dev = Dev;\r | |
82 | mRomImageTable[mNumberOfPciRomImages].Func = Func;\r | |
83 | mRomImageTable[mNumberOfPciRomImages].RomAddress = RomAddress;\r | |
84 | mRomImageTable[mNumberOfPciRomImages].RomLength = RomLength;\r | |
85 | mNumberOfPciRomImages++;\r | |
86 | }\r | |
87 | \r | |
88 | /**\r | |
89 | Get Option rom driver's mapping for PCI device.\r | |
90 | \r | |
91 | @param PciIoDevice Device instance.\r | |
92 | \r | |
93 | @retval TRUE Found Image mapping.\r | |
94 | @retval FALSE Cannot found image mapping.\r | |
95 | \r | |
96 | **/\r | |
97 | BOOLEAN\r | |
98 | PciRomGetImageMapping (\r | |
99 | IN PCI_IO_DEVICE *PciIoDevice\r | |
100 | )\r | |
101 | {\r | |
102 | EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;\r | |
103 | UINTN Index;\r | |
104 | BOOLEAN Found;\r | |
105 | \r | |
106 | PciRootBridgeIo = PciIoDevice->PciRootBridgeIo;\r | |
107 | Found = FALSE;\r | |
108 | \r | |
109 | for (Index = 0; Index < mNumberOfPciRomImages; Index++) {\r | |
110 | if (mRomImageTable[Index].Seg == PciRootBridgeIo->SegmentNumber &&\r | |
111 | mRomImageTable[Index].Bus == PciIoDevice->BusNumber &&\r | |
112 | mRomImageTable[Index].Dev == PciIoDevice->DeviceNumber &&\r | |
113 | mRomImageTable[Index].Func == PciIoDevice->FunctionNumber ) {\r | |
114 | Found = TRUE;\r | |
115 | \r | |
116 | if (mRomImageTable[Index].ImageHandle != NULL) {\r | |
117 | AddDriver (PciIoDevice, mRomImageTable[Index].ImageHandle);\r | |
118 | } else {\r | |
119 | PciIoDevice->PciIo.RomImage = (VOID *) (UINTN) mRomImageTable[Index].RomAddress;\r | |
120 | PciIoDevice->PciIo.RomSize = (UINTN) mRomImageTable[Index].RomLength;\r | |
121 | }\r | |
122 | }\r | |
123 | }\r | |
124 | \r | |
125 | return Found;\r | |
126 | }\r |