diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/tests/showpci.c')
-rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/tests/showpci.c | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/tests/showpci.c b/board/MAI/bios_emulator/scitech/src/pm/tests/showpci.c new file mode 100644 index 00000000000..8222b86024b --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/tests/showpci.c @@ -0,0 +1,253 @@ +/**************************************************************************** +* +* SciTech OS Portability Manager Library +* +* ======================================================================== +* +* The contents of this file are subject to the SciTech MGL Public +* License Version 1.0 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.scitechsoft.com/mgl-license.txt +* +* Software distributed under the License is distributed on an +* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. +* +* The Initial Developer of the Original Code is SciTech Software, Inc. +* All Rights Reserved. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: any +* +* Description: Test program to test the PCI library functions. +* +****************************************************************************/ + +#include "pmapi.h" +#include "pcilib.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdarg.h> + +/*------------------------- Global Variables ------------------------------*/ + +static int NumPCI = -1; +static PCIDeviceInfo *PCI; +static int *BridgeIndex; +static int *DeviceIndex; +static int NumBridges; +static PCIDeviceInfo *AGPBridge = NULL; +static int NumDevices; + +/*-------------------------- Implementation -------------------------------*/ + +/**************************************************************************** +REMARKS: +Enumerates the PCI bus and dumps the PCI configuration information to the +log file. +****************************************************************************/ +static void EnumeratePCI(void) +{ + int i,index; + PCIDeviceInfo *info; + + printf("Displaying enumeration of PCI bus (%d devices, %d display devices)\n", + NumPCI, NumDevices); + for (index = 0; index < NumDevices; index++) + printf(" Display device %d is PCI device %d\n",index,DeviceIndex[index]); + printf("\n"); + printf("Bus Slot Fnc DeviceID SubSystem Rev Class IRQ Int Cmd\n"); + for (i = 0; i < NumPCI; i++) { + printf("%2d %2d %2d %04X:%04X %04X:%04X %02X %02X:%02X %02X %02X %04X ", + PCI[i].slot.p.Bus, + PCI[i].slot.p.Device, + PCI[i].slot.p.Function, + PCI[i].VendorID, + PCI[i].DeviceID, + PCI[i].u.type0.SubSystemVendorID, + PCI[i].u.type0.SubSystemID, + PCI[i].RevID, + PCI[i].BaseClass, + PCI[i].SubClass, + PCI[i].u.type0.InterruptLine, + PCI[i].u.type0.InterruptPin, + PCI[i].Command); + for (index = 0; index < NumDevices; index++) { + if (DeviceIndex[index] == i) + break; + } + if (index < NumDevices) + printf("<- %d\n", index); + else + printf("\n"); + } + printf("\n"); + printf("DeviceID Stat Ifc Cch Lat Hdr BIST\n"); + for (i = 0; i < NumPCI; i++) { + printf("%04X:%04X %04X %02X %02X %02X %02X %02X ", + PCI[i].VendorID, + PCI[i].DeviceID, + PCI[i].Status, + PCI[i].Interface, + PCI[i].CacheLineSize, + PCI[i].LatencyTimer, + PCI[i].HeaderType, + PCI[i].BIST); + for (index = 0; index < NumDevices; index++) { + if (DeviceIndex[index] == i) + break; + } + if (index < NumDevices) + printf("<- %d\n", index); + else + printf("\n"); + } + printf("\n"); + printf("DeviceID Base10h Base14h Base18h Base1Ch Base20h Base24h ROMBase\n"); + for (i = 0; i < NumPCI; i++) { + printf("%04X:%04X %08lX %08lX %08lX %08lX %08lX %08lX %08lX ", + PCI[i].VendorID, + PCI[i].DeviceID, + PCI[i].u.type0.BaseAddress10, + PCI[i].u.type0.BaseAddress14, + PCI[i].u.type0.BaseAddress18, + PCI[i].u.type0.BaseAddress1C, + PCI[i].u.type0.BaseAddress20, + PCI[i].u.type0.BaseAddress24, + PCI[i].u.type0.ROMBaseAddress); + for (index = 0; index < NumDevices; index++) { + if (DeviceIndex[index] == i) + break; + } + if (index < NumDevices) + printf("<- %d\n", index); + else + printf("\n"); + } + printf("\n"); + printf("DeviceID BAR10Len BAR14Len BAR18Len BAR1CLen BAR20Len BAR24Len ROMLen\n"); + for (i = 0; i < NumPCI; i++) { + printf("%04X:%04X %08lX %08lX %08lX %08lX %08lX %08lX %08lX ", + PCI[i].VendorID, + PCI[i].DeviceID, + PCI[i].u.type0.BaseAddress10Len, + PCI[i].u.type0.BaseAddress14Len, + PCI[i].u.type0.BaseAddress18Len, + PCI[i].u.type0.BaseAddress1CLen, + PCI[i].u.type0.BaseAddress20Len, + PCI[i].u.type0.BaseAddress24Len, + PCI[i].u.type0.ROMBaseAddressLen); + for (index = 0; index < NumDevices; index++) { + if (DeviceIndex[index] == i) + break; + } + if (index < NumDevices) + printf("<- %d\n", index); + else + printf("\n"); + } + printf("\n"); + printf("Displaying enumeration of %d bridge devices\n",NumBridges); + printf("\n"); + printf("DeviceID P# S# B# IOB IOL MemBase MemLimit PreBase PreLimit Ctrl\n"); + for (i = 0; i < NumBridges; i++) { + info = (PCIDeviceInfo*)&PCI[BridgeIndex[i]]; + printf("%04X:%04X %02X %02X %02X %04X %04X %08X %08X %08X %08X %04X\n", + info->VendorID, + info->DeviceID, + info->u.type1.PrimaryBusNumber, + info->u.type1.SecondayBusNumber, + info->u.type1.SubordinateBusNumber, + ((u16)info->u.type1.IOBase << 8) & 0xF000, + info->u.type1.IOLimit ? + ((u16)info->u.type1.IOLimit << 8) | 0xFFF : 0, + ((u32)info->u.type1.MemoryBase << 16) & 0xFFF00000, + info->u.type1.MemoryLimit ? + ((u32)info->u.type1.MemoryLimit << 16) | 0xFFFFF : 0, + ((u32)info->u.type1.PrefetchableMemoryBase << 16) & 0xFFF00000, + info->u.type1.PrefetchableMemoryLimit ? + ((u32)info->u.type1.PrefetchableMemoryLimit << 16) | 0xFFFFF : 0, + info->u.type1.BridgeControl); + } + printf("\n"); +} + +/**************************************************************************** +RETURNS: +Number of display devices found. + +REMARKS: +This function enumerates the number of available display devices on the +PCI bus, and returns the number found. +****************************************************************************/ +static int PCI_enumerateDevices(void) +{ + int i,j; + PCIDeviceInfo *info; + + // If this is the first time we have been called, enumerate all + // devices on the PCI bus. + if (NumPCI == -1) { + if ((NumPCI = PCI_getNumDevices()) == 0) + return -1; + PCI = malloc(NumPCI * sizeof(PCI[0])); + BridgeIndex = malloc(NumPCI * sizeof(BridgeIndex[0])); + DeviceIndex = malloc(NumPCI * sizeof(DeviceIndex[0])); + if (!PCI || !BridgeIndex || !DeviceIndex) + return -1; + for (i = 0; i < NumPCI; i++) + PCI[i].dwSize = sizeof(PCI[i]); + if (PCI_enumerate(PCI) == 0) + return -1; + + // Build a list of all PCI bridge devices + for (i = 0,NumBridges = 0,BridgeIndex[0] = -1; i < NumPCI; i++) { + if (PCI[i].BaseClass == PCI_BRIDGE_CLASS) + BridgeIndex[NumBridges++] = i; + } + + // Now build a list of all display class devices + for (i = 0,NumDevices = 1,DeviceIndex[0] = -1; i < NumPCI; i++) { + if (PCI_IS_DISPLAY_CLASS(&PCI[i])) { + if ((PCI[i].Command & 0x3) == 0x3) + DeviceIndex[0] = i; + else + DeviceIndex[NumDevices++] = i; + if (PCI[i].slot.p.Bus != 0) { + // This device is on a different bus than the primary + // PCI bus, so it is probably an AGP device. Find the + // AGP bus device that controls that bus so we can + // control it. + for (j = 0; j < NumBridges; j++) { + info = (PCIDeviceInfo*)&PCI[BridgeIndex[j]]; + if (info->u.type1.SecondayBusNumber == PCI[i].slot.p.Bus) { + AGPBridge = info; + break; + } + } + } + } + } + + // Enumerate all PCI and bridge devices to standard output + EnumeratePCI(); + } + return NumDevices; +} + +int main(void) +{ + // Enumerate all PCI devices + PM_init(); + if (PCI_enumerateDevices() < 1) { + printf("No PCI display devices found!\n"); + return -1; + } + return 0; +} |