297 lines
9.7 KiB
C
297 lines
9.7 KiB
C
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/*++
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Copyright (c) 1999 Intel Corporation
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Module Name:
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pci.c
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Abstract:
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Revision History
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--*/
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#include "shelle.h"
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#include "pci22.h"
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EFI_STATUS
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PciDump (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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#define HEADER_TYPE_MULTI_FUNCTION 0x80
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typedef struct _PCI_CLASS_CODE {
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UINT8 Class;
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CHAR16 *Str;
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struct _PCI_CLASS_CODE *SubClass;
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} PCI_CLASS_CODE;
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VOID
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PciPrintClassCode (
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IN PCI_DEVICE_INDEPENDENT_REGION *Pci
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);
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PCI_CLASS_CODE PciMassStoreSubClass[] = {
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0x00, L"SCSI Bus", NULL,
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0x01, L"IDE", NULL,
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0x02, L"Floppy", NULL,
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0x03, L"IPI", NULL,
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0x04, L"RAID", NULL,
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0x80, L"Other", NULL,
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0xff, L"ERROR", NULL
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};
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PCI_CLASS_CODE PciNetworkSubClass[] = {
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0x00, L"Ethernet", NULL,
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0x01, L"Token Ring", NULL,
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0x02, L"FDDI", NULL,
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0x03, L"ATM", NULL,
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0x80, L"Other", NULL,
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0xff, L"ERROR", NULL
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};
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PCI_CLASS_CODE PciDisplayControllerClass[] = {
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0x00, L"VGA", NULL,
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0x01, L"XVGA", NULL,
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0x02, L"3D", NULL,
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0x80, L"Other", NULL,
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0xff, L"ERROR", NULL
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};
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PCI_CLASS_CODE PciBridgeSubClass[] = {
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0x00, L"Host", NULL,
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0x01, L"ISA", NULL,
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0x02, L"EISA", NULL,
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0x03, L"MC", NULL,
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0x04, L"PCI to PCI", NULL,
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0x05, L"PCMCIA", NULL,
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0x06, L"NuBus", NULL,
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0x07, L"CardBus", NULL,
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0x08, L"RACEway", NULL,
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0xff, L"ERROR", NULL
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};
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PCI_CLASS_CODE PciSysPeriphSubClass[] = {
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0x00, L"Interrupt Controller", NULL,
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0x01, L"DMA", NULL,
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0x02, L"System Timer", NULL,
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0x03, L"RTC", NULL,
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0x80, L"Other", NULL,
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0xff, L"ERROR", NULL
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};
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PCI_CLASS_CODE PciSerialBusSubClass[] = {
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0x00, L"1394", NULL,
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0x01, L"ACCESS Bus", NULL,
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0x02, L"SSA", NULL,
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0x03, L"USB", NULL,
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0x04, L"Fibre Channel", NULL,
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0x05, L"SMBus", NULL,
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0x80, L"Other", NULL,
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0xff, L"ERROR", NULL
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};
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/*
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* BugBug: I got tired of typing, so this is only partial PCI info.
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*/
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PCI_CLASS_CODE PciClassCodes[] = {
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0x00, L"Backward Compatible", NULL,
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0x01, L"Mass Storage Controller", PciMassStoreSubClass,
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0x02, L"Network Controller", PciNetworkSubClass,
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0x03, L"Display Controller", PciDisplayControllerClass,
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0x04, L"Multimedia Device", NULL,
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0x05, L"Memory Controller", NULL,
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0x06, L"PCI Bridge Device", PciBridgeSubClass,
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0x07, L"Communications Controller", NULL,
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0x08, L"Generic System Peripheral", PciSysPeriphSubClass,
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0x09, L"Input Devices", NULL,
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0x0a, L"Docking Stations", NULL,
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0x0b, L"Processors", NULL,
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0x0c, L"Serial Bus Controller", PciSerialBusSubClass,
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0x0d, L"Wireless Controller", NULL,
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0x0e, L"I2O", NULL,
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0x0f, L"Satellite Controller", NULL,
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0x10, L"Encryption Controller", NULL,
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0x11, L"Data Acquisition", NULL,
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0xff, L"No Class", NULL
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};
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VOID
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PciPrintClassCode (
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IN PCI_DEVICE_INDEPENDENT_REGION *Pci
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)
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{
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UINT16 *BaseClass, *SubClass;
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UINTN i,j;
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PCI_CLASS_CODE *ClassTable;
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BaseClass = SubClass = NULL;
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for (i=0; PciClassCodes[i].Class != 0xff; i++) {
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if (Pci->ClassCode[2] == PciClassCodes[i].Class) {
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BaseClass = PciClassCodes[i].Str;
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if (PciClassCodes[i].SubClass) {
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ClassTable = PciClassCodes[i].SubClass;
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for (j=0; ClassTable->Class != 0xff; j++, ClassTable++) {
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if (Pci->ClassCode[1] == ClassTable->Class) {
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SubClass = ClassTable->Str;
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}
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}
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}
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}
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}
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Print (L"%s - %s", BaseClass, (SubClass == NULL ? L"" : SubClass));
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}
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EFI_DRIVER_ENTRY_POINT(PciDump)
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EFI_STATUS
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PciDump (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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/*+++
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pci [bus dev] [func]
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---*/
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{
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EFI_STATUS Status;
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UINT32 Buffer[64];
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EFI_DEVICE_IO_INTERFACE *IoDev;
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UINT64 Address, FuncAddress;
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UINT16 Bus, Device, Func;
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EFI_HANDLE Handle;
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EFI_DEVICE_PATH *DevicePath;
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PCI_DEVICE_INDEPENDENT_REGION PciHeader;
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PCI_CONFIG_ACCESS_CF8 Pci;
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DEFIO_PCI_ADDR Defio;
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UINTN ScreenCount;
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UINTN TempColumn;
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UINTN ScreenSize;
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CHAR16 ReturnStr[1];
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InstallInternalShellCommand (
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ImageHandle, SystemTable, PciDump,
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L"pci", /* command */
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L"pci [bus dev] [func]", /* command syntax */
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L"Display PCI device(s) info", /* 1 line descriptor */
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NULL /* command help page */
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);
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InitializeShellApplication (ImageHandle, SystemTable);
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/*
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* The End Device Path represents the Root of the tree, thus get the global IoDev
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* for the system
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*/
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DevicePath = EndDevicePath;
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Status = BS->LocateDevicePath (&DeviceIoProtocol, &DevicePath, &Handle);
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if (!EFI_ERROR(Status)) {
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Status = BS->HandleProtocol (Handle, &DeviceIoProtocol, (VOID*)&IoDev);
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}
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if (EFI_ERROR(Status)) {
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Print (L"%E - handle protocol error %r%N", Status);
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return EFI_SUCCESS;
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}
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if ( SI->Argc < 3 ) {
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ST->ConOut->QueryMode (ST->ConOut, ST->ConOut->Mode->Mode, &TempColumn, &ScreenSize);
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ScreenCount = 0;
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Print (L"\n Bus Dev Func");
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Print (L"\n --- --- ----");
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ScreenSize -= 4;
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for (Bus = 0; Bus <= PCI_MAX_BUS; Bus++) {
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for (Device = 0; Device < 32; Device++) {
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Address = (Bus << 24) + (Device << 16);
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for (Func = 0; Func < 8; Func++) {
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FuncAddress = Address + (Func << 8);
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IoDev->Pci.Read (IoDev, IO_UINT16, FuncAddress, 1, &PciHeader.VendorId);
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if (PciHeader.VendorId != 0xffff) {
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IoDev->Pci.Read (IoDev, IO_UINT32, FuncAddress, sizeof(PciHeader)/sizeof(UINT32), &PciHeader);
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Print (L"%E");
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Print (L"\n %02x %02x %02x ==> %N", Bus, Device, Func);
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PciPrintClassCode (&PciHeader);
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Print (L"\n Vendor 0x%04x Device 0x%04x Prog Interface %x", PciHeader.VendorId, PciHeader.DeviceId, PciHeader.ClassCode[0]);
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if (Func == 0) {
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if ((PciHeader.HeaderType & HEADER_TYPE_MULTI_FUNCTION) == 0x00) {
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/*
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* If this is not a multifucntion device leave the loop
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*/
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Func = 8;
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}
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}
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ScreenCount += 2;
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if (ScreenCount >= ScreenSize && ScreenSize != 0) {
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/*
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* If ScreenSize == 0 we have the console redirected so don't
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* block updates
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*/
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ScreenCount = 0;
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Print (L"\nPress Return to contiue :");
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Input (L"", ReturnStr, sizeof(ReturnStr)/sizeof(CHAR16));
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Print (L"\n Bus Dev Func");
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Print (L"\n --- --- ----");
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}
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} else {
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/*
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* If Func 0 does not exist there are no sub fucntions
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*/
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Func = 8;
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}
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}
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}
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}
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Print (L"\n");
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return EFI_SUCCESS;
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}
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Bus = (UINT16) xtoi(SI->Argv[1]);
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Device = (UINT16) xtoi(SI->Argv[2]);
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if (SI->Argc > 3) {
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Func = (UINT16) xtoi(SI->Argv[3]);
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} else {
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Func = 0;
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}
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Address = (Bus << 24) + (Device << 16) + (Func << 8);
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CopyMem (&Defio, &Address, sizeof(Address));
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Pci.Reg = Defio.Register;
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Pci.Func = Defio.Function;
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Pci.Dev = Defio.Device;
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Pci.Bus = Defio.Bus;
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Pci.Reserved = 0;
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Pci.Enable = 1;
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Print (L"%H PCI Bus %02x Device %02x Func %02x%N [0xcf8(0x%08x) EFI 0x00%02x%02x%02x00]\n", Bus, Device, Func, Pci, Bus, Device, Func);
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/*
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* Dump standard header
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*/
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IoDev->Pci.Read (IoDev, IO_UINT32, Address, 16, Buffer);
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DumpHex (2, 0, 16*sizeof(UINT32), Buffer);
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Print(L"\n");
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/*
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* Dump Device Dependent Header
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*/
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IoDev->Pci.Read (IoDev, IO_UINT32, Address + 0x40, 48, Buffer);
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DumpHex (2, 0x40, 48*sizeof(UINT32), Buffer);
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return EFI_SUCCESS;
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}
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