1 /** @file 2 Registers onboard PCI ROMs with PCI.IO 3 4 Copyright (c) 2013-2015 Intel Corporation. 5 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 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 **/ 16 17 #include "CommonHeader.h" 18 19 #include "PciPlatform.h" 20 21 22 PCI_OPTION_ROM_TABLE mPciOptionRomTable[] = { 23 { NULL_ROM_FILE_GUID, 0, 0, 0, 0, 0xffff, 0xffff } 24 }; 25 EFI_PCI_PLATFORM_PROTOCOL mPciPlatform = { 26 PhaseNotify, 27 PlatformPrepController, 28 GetPlatformPolicy, 29 GetPciRom 30 }; 31 32 EFI_HANDLE mPciPlatformHandle = NULL; 33 EFI_HANDLE mImageHandle = NULL; 34 35 36 EFI_STATUS 37 PhaseNotify ( 38 IN EFI_PCI_PLATFORM_PROTOCOL *This, 39 IN EFI_HANDLE HostBridge, 40 IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PHASE Phase, 41 IN EFI_PCI_CHIPSET_EXECUTION_PHASE ChipsetPhase 42 ) 43 { 44 UINT8 UsbHostBusNumber = IOH_BUS; 45 if (Phase == EfiPciHostBridgeEndResourceAllocation) { 46 // Required for QuarkSouthCluster. 47 // Enable USB controller memory, io and bus master before Ehci driver. 48 EnableUsbMemIoBusMaster (UsbHostBusNumber); 49 return EFI_SUCCESS; 50 } 51 return EFI_UNSUPPORTED; 52 } 53 54 55 EFI_STATUS 56 PlatformPrepController ( 57 IN EFI_PCI_PLATFORM_PROTOCOL *This, 58 IN EFI_HANDLE HostBridge, 59 IN EFI_HANDLE RootBridge, 60 IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_PCI_ADDRESS PciAddress, 61 IN EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE Phase, 62 IN EFI_PCI_CHIPSET_EXECUTION_PHASE ChipsetPhase 63 ) 64 { 65 return EFI_UNSUPPORTED; 66 } 67 68 EFI_STATUS 69 GetPlatformPolicy ( 70 IN CONST EFI_PCI_PLATFORM_PROTOCOL *This, 71 OUT EFI_PCI_PLATFORM_POLICY *PciPolicy 72 ) 73 { 74 if (PciPolicy == NULL) { 75 return EFI_INVALID_PARAMETER; 76 } 77 78 return EFI_UNSUPPORTED; 79 } 80 81 EFI_STATUS 82 GetPciRom ( 83 IN CONST EFI_PCI_PLATFORM_PROTOCOL *This, 84 IN EFI_HANDLE PciHandle, 85 OUT VOID **RomImage, 86 OUT UINTN *RomSize 87 ) 88 /*++ 89 90 Routine Description: 91 Return a PCI ROM image for the onboard device represented by PciHandle 92 93 Arguments: 94 This - Protocol instance pointer. 95 PciHandle - PCI device to return the ROM image for. 96 RomImage - PCI Rom Image for onboard device 97 RomSize - Size of RomImage in bytes 98 99 Returns: 100 EFI_SUCCESS - RomImage is valid 101 EFI_NOT_FOUND - No RomImage 102 103 --*/ 104 { 105 EFI_STATUS Status; 106 EFI_PCI_IO_PROTOCOL *PciIo; 107 UINTN Segment; 108 UINTN Bus; 109 UINTN Device; 110 UINTN Function; 111 UINT16 VendorId; 112 UINT16 DeviceId; 113 UINT16 DeviceClass; 114 UINTN TableIndex; 115 116 Status = gBS->HandleProtocol ( 117 PciHandle, 118 &gEfiPciIoProtocolGuid, 119 (VOID **) &PciIo 120 ); 121 if (EFI_ERROR (Status)) { 122 return EFI_NOT_FOUND; 123 } 124 125 PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function); 126 127 PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, 0x0A, 1, &DeviceClass); 128 129 PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, 0, 1, &VendorId); 130 131 PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, 2, 1, &DeviceId); 132 133 // 134 // Loop through table of video option rom descriptions 135 // 136 for (TableIndex = 0; mPciOptionRomTable[TableIndex].VendorId != 0xffff; TableIndex++) { 137 138 // 139 // See if the PCI device specified by PciHandle matches at device in mPciOptionRomTable 140 // 141 if (VendorId != mPciOptionRomTable[TableIndex].VendorId || 142 DeviceId != mPciOptionRomTable[TableIndex].DeviceId || 143 Segment != mPciOptionRomTable[TableIndex].Segment || 144 Bus != mPciOptionRomTable[TableIndex].Bus || 145 Device != mPciOptionRomTable[TableIndex].Device || 146 Function != mPciOptionRomTable[TableIndex].Function) { 147 continue; 148 } 149 150 Status = GetSectionFromFv ( 151 &mPciOptionRomTable[TableIndex].FileName, 152 EFI_SECTION_RAW, 153 0, 154 RomImage, 155 RomSize 156 ); 157 158 if (EFI_ERROR (Status)) { 159 continue; 160 } 161 162 return EFI_SUCCESS; 163 } 164 165 return EFI_NOT_FOUND; 166 } 167 168 EFI_STATUS 169 PciPlatformDriverEntry ( 170 IN EFI_HANDLE ImageHandle, 171 IN EFI_SYSTEM_TABLE *SystemTable 172 ) 173 /*++ 174 175 Routine Description: 176 177 Arguments: 178 (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT) 179 180 Returns: 181 EFI_STATUS 182 183 --*/ 184 { 185 EFI_STATUS Status; 186 187 mImageHandle = ImageHandle; 188 189 // 190 // Install on a new handle 191 // 192 Status = gBS->InstallProtocolInterface ( 193 &mPciPlatformHandle, 194 &gEfiPciPlatformProtocolGuid, 195 EFI_NATIVE_INTERFACE, 196 &mPciPlatform 197 ); 198 199 return Status; 200 } 201
