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-rw-r--r--arch/ppc/platforms/residual.c1034
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diff --git a/arch/ppc/platforms/residual.c b/arch/ppc/platforms/residual.c
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index d687b0f8763..00000000000
--- a/arch/ppc/platforms/residual.c
+++ /dev/null
@@ -1,1034 +0,0 @@
-/*
- * Code to deal with the PReP residual data.
- *
- * Written by: Cort Dougan (cort@cs.nmt.edu)
- * Improved _greatly_ and rewritten by Gabriel Paubert (paubert@iram.es)
- *
- * This file is based on the following documentation:
- *
- * IBM Power Personal Systems Architecture
- * Residual Data
- * Document Number: PPS-AR-FW0001
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive
- * for more details.
- *
- */
-
-#include <linux/string.h>
-#include <asm/residual.h>
-#include <asm/pnp.h>
-#include <asm/byteorder.h>
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/user.h>
-#include <linux/a.out.h>
-#include <linux/tty.h>
-#include <linux/major.h>
-#include <linux/interrupt.h>
-#include <linux/reboot.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/pci.h>
-#include <linux/proc_fs.h>
-
-#include <asm/sections.h>
-#include <asm/mmu.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/ide.h>
-
-
-unsigned char __res[sizeof(RESIDUAL)] = {0,};
-RESIDUAL *res = (RESIDUAL *)&__res;
-
-char * PnP_BASE_TYPES[] __initdata = {
- "Reserved",
- "MassStorageDevice",
- "NetworkInterfaceController",
- "DisplayController",
- "MultimediaController",
- "MemoryController",
- "BridgeController",
- "CommunicationsDevice",
- "SystemPeripheral",
- "InputDevice",
- "ServiceProcessor"
- };
-
-/* Device Sub Type Codes */
-
-unsigned char * PnP_SUB_TYPES[] __initdata = {
- "\001\000SCSIController",
- "\001\001IDEController",
- "\001\002FloppyController",
- "\001\003IPIController",
- "\001\200OtherMassStorageController",
- "\002\000EthernetController",
- "\002\001TokenRingController",
- "\002\002FDDIController",
- "\002\0x80OtherNetworkController",
- "\003\000VGAController",
- "\003\001SVGAController",
- "\003\002XGAController",
- "\003\200OtherDisplayController",
- "\004\000VideoController",
- "\004\001AudioController",
- "\004\200OtherMultimediaController",
- "\005\000RAM",
- "\005\001FLASH",
- "\005\200OtherMemoryDevice",
- "\006\000HostProcessorBridge",
- "\006\001ISABridge",
- "\006\002EISABridge",
- "\006\003MicroChannelBridge",
- "\006\004PCIBridge",
- "\006\005PCMCIABridge",
- "\006\006VMEBridge",
- "\006\200OtherBridgeDevice",
- "\007\000RS232Device",
- "\007\001ATCompatibleParallelPort",
- "\007\200OtherCommunicationsDevice",
- "\010\000ProgrammableInterruptController",
- "\010\001DMAController",
- "\010\002SystemTimer",
- "\010\003RealTimeClock",
- "\010\004L2Cache",
- "\010\005NVRAM",
- "\010\006PowerManagement",
- "\010\007CMOS",
- "\010\010OperatorPanel",
- "\010\011ServiceProcessorClass1",
- "\010\012ServiceProcessorClass2",
- "\010\013ServiceProcessorClass3",
- "\010\014GraphicAssist",
- "\010\017SystemPlanar",
- "\010\200OtherSystemPeripheral",
- "\011\000KeyboardController",
- "\011\001Digitizer",
- "\011\002MouseController",
- "\011\003TabletController",
- "\011\0x80OtherInputController",
- "\012\000GeneralMemoryController",
- NULL
-};
-
-/* Device Interface Type Codes */
-
-unsigned char * PnP_INTERFACES[] __initdata = {
- "\000\000\000General",
- "\001\000\000GeneralSCSI",
- "\001\001\000GeneralIDE",
- "\001\001\001ATACompatible",
-
- "\001\002\000GeneralFloppy",
- "\001\002\001Compatible765",
- "\001\002\002NS398_Floppy", /* NS Super I/O wired to use index
- register at port 398 and data
- register at port 399 */
- "\001\002\003NS26E_Floppy", /* Ports 26E and 26F */
- "\001\002\004NS15C_Floppy", /* Ports 15C and 15D */
- "\001\002\005NS2E_Floppy", /* Ports 2E and 2F */
- "\001\002\006CHRP_Floppy", /* CHRP Floppy in PR*P system */
-
- "\001\003\000GeneralIPI",
-
- "\002\000\000GeneralEther",
- "\002\001\000GeneralToken",
- "\002\002\000GeneralFDDI",
-
- "\003\000\000GeneralVGA",
- "\003\001\000GeneralSVGA",
- "\003\002\000GeneralXGA",
-
- "\004\000\000GeneralVideo",
- "\004\001\000GeneralAudio",
- "\004\001\001CS4232Audio", /* CS 4232 Plug 'n Play Configured */
-
- "\005\000\000GeneralRAM",
- /* This one is obviously wrong ! */
- "\005\000\000PCIMemoryController", /* PCI Config Method */
- "\005\000\001RS6KMemoryController", /* RS6K Config Method */
- "\005\001\000GeneralFLASH",
-
- "\006\000\000GeneralHostBridge",
- "\006\001\000GeneralISABridge",
- "\006\002\000GeneralEISABridge",
- "\006\003\000GeneralMCABridge",
- /* GeneralPCIBridge = 0, */
- "\006\004\000PCIBridgeDirect",
- "\006\004\001PCIBridgeIndirect",
- "\006\004\002PCIBridgeRS6K",
- "\006\005\000GeneralPCMCIABridge",
- "\006\006\000GeneralVMEBridge",
-
- "\007\000\000GeneralRS232",
- "\007\000\001COMx",
- "\007\000\002Compatible16450",
- "\007\000\003Compatible16550",
- "\007\000\004NS398SerPort", /* NS Super I/O wired to use index
- register at port 398 and data
- register at port 399 */
- "\007\000\005NS26ESerPort", /* Ports 26E and 26F */
- "\007\000\006NS15CSerPort", /* Ports 15C and 15D */
- "\007\000\007NS2ESerPort", /* Ports 2E and 2F */
-
- "\007\001\000GeneralParPort",
- "\007\001\001LPTx",
- "\007\001\002NS398ParPort", /* NS Super I/O wired to use index
- register at port 398 and data
- register at port 399 */
- "\007\001\003NS26EParPort", /* Ports 26E and 26F */
- "\007\001\004NS15CParPort", /* Ports 15C and 15D */
- "\007\001\005NS2EParPort", /* Ports 2E and 2F */
-
- "\010\000\000GeneralPIC",
- "\010\000\001ISA_PIC",
- "\010\000\002EISA_PIC",
- "\010\000\003MPIC",
- "\010\000\004RS6K_PIC",
-
- "\010\001\000GeneralDMA",
- "\010\001\001ISA_DMA",
- "\010\001\002EISA_DMA",
-
- "\010\002\000GeneralTimer",
- "\010\002\001ISA_Timer",
- "\010\002\002EISA_Timer",
- "\010\003\000GeneralRTC",
- "\010\003\001ISA_RTC",
-
- "\010\004\001StoreThruOnly",
- "\010\004\002StoreInEnabled",
- "\010\004\003RS6KL2Cache",
-
- "\010\005\000IndirectNVRAM", /* Indirectly addressed */
- "\010\005\001DirectNVRAM", /* Memory Mapped */
- "\010\005\002IndirectNVRAM24", /* Indirectly addressed - 24 bit */
-
- "\010\006\000GeneralPowerManagement",
- "\010\006\001EPOWPowerManagement",
- "\010\006\002PowerControl", // d1378
-
- "\010\007\000GeneralCMOS",
-
- "\010\010\000GeneralOPPanel",
- "\010\010\001HarddiskLight",
- "\010\010\002CDROMLight",
- "\010\010\003PowerLight",
- "\010\010\004KeyLock",
- "\010\010\005ANDisplay", /* AlphaNumeric Display */
- "\010\010\006SystemStatusLED", /* 3 digit 7 segment LED */
- "\010\010\007CHRP_SystemStatusLED", /* CHRP LEDs in PR*P system */
-
- "\010\011\000GeneralServiceProcessor",
- "\010\012\000GeneralServiceProcessor",
- "\010\013\000GeneralServiceProcessor",
-
- "\010\014\001TransferData",
- "\010\014\002IGMC32",
- "\010\014\003IGMC64",
-
- "\010\017\000GeneralSystemPlanar", /* 10/5/95 */
- NULL
- };
-
-static const unsigned char __init *PnP_SUB_TYPE_STR(unsigned char BaseType,
- unsigned char SubType) {
- unsigned char ** s=PnP_SUB_TYPES;
- while (*s && !((*s)[0]==BaseType
- && (*s)[1]==SubType)) s++;
- if (*s) return *s+2;
- else return("Unknown !");
-};
-
-static const unsigned char __init *PnP_INTERFACE_STR(unsigned char BaseType,
- unsigned char SubType,
- unsigned char Interface) {
- unsigned char ** s=PnP_INTERFACES;
- while (*s && !((*s)[0]==BaseType
- && (*s)[1]==SubType
- && (*s)[2]==Interface)) s++;
- if (*s) return *s+3;
- else return NULL;
-};
-
-static void __init printsmallvendor(PnP_TAG_PACKET *pkt, int size) {
- int i, c;
- char decomp[4];
-#define p pkt->S14_Pack.S14_Data.S14_PPCPack
- switch(p.Type) {
- case 1:
- /* Decompress first 3 chars */
- c = *(unsigned short *)p.PPCData;
- decomp[0]='A'-1+((c>>10)&0x1F);
- decomp[1]='A'-1+((c>>5)&0x1F);
- decomp[2]='A'-1+(c&0x1F);
- decomp[3]=0;
- printk(" Chip identification: %s%4.4X\n",
- decomp, ld_le16((unsigned short *)(p.PPCData+2)));
- break;
- default:
- printk(" Small vendor item type 0x%2.2x, data (hex): ",
- p.Type);
- for(i=0; i<size-2; i++) printk("%2.2x ", p.PPCData[i]);
- printk("\n");
- break;
- }
-#undef p
-}
-
-static void __init printsmallpacket(PnP_TAG_PACKET * pkt, int size) {
- static const unsigned char * intlevel[] = {"high", "low"};
- static const unsigned char * intsense[] = {"edge", "level"};
-
- switch (tag_small_item_name(pkt->S1_Pack.Tag)) {
- case PnPVersion:
- printk(" PnPversion 0x%x.%x\n",
- pkt->S1_Pack.Version[0], /* How to interpret version ? */
- pkt->S1_Pack.Version[1]);
- break;
-// case Logicaldevice:
- break;
-// case CompatibleDevice:
- break;
- case IRQFormat:
-#define p pkt->S4_Pack
- printk(" IRQ Mask 0x%4.4x, %s %s sensitive\n",
- ld_le16((unsigned short *)p.IRQMask),
- intlevel[(size>3) ? !(p.IRQInfo&0x05) : 0],
- intsense[(size>3) ? !(p.IRQInfo&0x03) : 0]);
-#undef p
- break;
- case DMAFormat:
-#define p pkt->S5_Pack
- printk(" DMA channel mask 0x%2.2x, info 0x%2.2x\n",
- p.DMAMask, p.DMAInfo);
-#undef p
- break;
- case StartDepFunc:
- printk("Start dependent function:\n");
- break;
- case EndDepFunc:
- printk("End dependent function\n");
- break;
- case IOPort:
-#define p pkt->S8_Pack
- printk(" Variable (%d decoded bits) I/O port\n"
- " from 0x%4.4x to 0x%4.4x, alignment %d, %d ports\n",
- p.IOInfo&ISAAddr16bit?16:10,
- ld_le16((unsigned short *)p.RangeMin),
- ld_le16((unsigned short *)p.RangeMax),
- p.IOAlign, p.IONum);
-#undef p
- break;
- case FixedIOPort:
-#define p pkt->S9_Pack
- printk(" Fixed (10 decoded bits) I/O port from %3.3x to %3.3x\n",
- (p.Range[1]<<8)|p.Range[0],
- ((p.Range[1]<<8)|p.Range[0])+p.IONum-1);
-#undef p
- break;
- case Res1:
- case Res2:
- case Res3:
- printk(" Undefined packet type %d!\n",
- tag_small_item_name(pkt->S1_Pack.Tag));
- break;
- case SmallVendorItem:
- printsmallvendor(pkt,size);
- break;
- default:
- printk(" Type 0x2.2x%d, size=%d\n",
- pkt->S1_Pack.Tag, size);
- break;
- }
-}
-
-static void __init printlargevendor(PnP_TAG_PACKET * pkt, int size) {
- static const unsigned char * addrtype[] = {"I/O", "Memory", "System"};
- static const unsigned char * inttype[] = {"8259", "MPIC", "RS6k BUID %d"};
- static const unsigned char * convtype[] = {"Bus Memory", "Bus I/O", "DMA"};
- static const unsigned char * transtype[] = {"direct", "mapped", "direct-store segment"};
- static const unsigned char * L2type[] = {"WriteThru", "CopyBack"};
- static const unsigned char * L2assoc[] = {"DirectMapped", "2-way set"};
-
- int i;
- char tmpstr[30], *t;
-#define p pkt->L4_Pack.L4_Data.L4_PPCPack
- switch(p.Type) {
- case 2:
- printk(" %d K %s %s L2 cache, %d/%d bytes line/sector size\n",
- ld_le32((unsigned int *)p.PPCData),
- L2type[p.PPCData[10]-1],
- L2assoc[p.PPCData[4]-1],
- ld_le16((unsigned short *)p.PPCData+3),
- ld_le16((unsigned short *)p.PPCData+4));
- break;
- case 3:
- printk(" PCI Bridge parameters\n"
- " ConfigBaseAddress %0x\n"
- " ConfigBaseData %0x\n"
- " Bus number %d\n",
- ld_le32((unsigned int *)p.PPCData),
- ld_le32((unsigned int *)(p.PPCData+8)),
- p.PPCData[16]);
- for(i=20; i<size-4; i+=12) {
- int j, first;
- if(p.PPCData[i]) printk(" PCI Slot %d", p.PPCData[i]);
- else printk (" Integrated PCI device");
- for(j=0, first=1, t=tmpstr; j<4; j++) {
- int line=ld_le16((unsigned short *)(p.PPCData+i+4)+j);
- if(line!=0xffff){
- if(first) first=0; else *t++='/';
- *t++='A'+j;
- }
- }
- *t='\0';
- printk(" DevFunc 0x%x interrupt line(s) %s routed to",
- p.PPCData[i+1],tmpstr);
- sprintf(tmpstr,
- inttype[p.PPCData[i+2]-1],
- p.PPCData[i+3]);
- printk(" %s line(s) ",
- tmpstr);
- for(j=0, first=1, t=tmpstr; j<4; j++) {
- int line=ld_le16((unsigned short *)(p.PPCData+i+4)+j);
- if(line!=0xffff){
- if(first) first=0; else *t++='/';
- t+=sprintf(t,"%d(%c)",
- line&0x7fff,
- line&0x8000?'E':'L');
- }
- }
- printk("%s\n",tmpstr);
- }
- break;
- case 5:
- printk(" Bridge address translation, %s decoding:\n"
- " Processor Bus Size Conversion Translation\n"
- " 0x%8.8x 0x%8.8x 0x%8.8x %s %s\n",
- p.PPCData[0]&1 ? "positive" : "subtractive",
- ld_le32((unsigned int *)p.PPCData+1),
- ld_le32((unsigned int *)p.PPCData+3),
- ld_le32((unsigned int *)p.PPCData+5),
- convtype[p.PPCData[2]-1],
- transtype[p.PPCData[1]-1]);
- break;
- case 6:
- printk(" Bus speed %d Hz, %d slot(s)\n",
- ld_le32((unsigned int *)p.PPCData),
- p.PPCData[4]);
- break;
- case 7:
- printk(" SCSI buses: %d, id(s):", p.PPCData[0]);
- for(i=1; i<=p.PPCData[0]; i++)
- printk(" %d%c", p.PPCData[i], i==p.PPCData[0] ? '\n' : ',');
- break;
- case 9:
- printk(" %s address (%d bits), at 0x%x size 0x%x bytes\n",
- addrtype[p.PPCData[0]-1],
- p.PPCData[1],
- ld_le32((unsigned int *)(p.PPCData+4)),
- ld_le32((unsigned int *)(p.PPCData+12)));
- break;
- case 10:
- sprintf(tmpstr,
- inttype[p.PPCData[0]-1],
- p.PPCData[1]);
-
- printk(" ISA interrupts routed to %s\n"
- " lines",
- tmpstr);
- for(i=0; i<16; i++) {
- int line=ld_le16((unsigned short *)p.PPCData+i+1);
- if (line!=0xffff) printk(" %d(IRQ%d)", line, i);
- }
- printk("\n");
- break;
- default:
- printk(" Large vendor item type 0x%2.2x\n Data (hex):",
- p.Type);
- for(i=0; i<size-4; i++) printk(" %2.2x", p.PPCData[i]);
- printk("\n");
-#undef p
- }
-}
-
-static void __init printlargepacket(PnP_TAG_PACKET * pkt, int size) {
- switch (tag_large_item_name(pkt->S1_Pack.Tag)) {
- case LargeVendorItem:
- printlargevendor(pkt, size);
- break;
- default:
- printk(" Type 0x2.2x%d, size=%d\n",
- pkt->S1_Pack.Tag, size);
- break;
- }
-}
-
-static void __init printpackets(PnP_TAG_PACKET * pkt, const char * cat)
-{
- if (pkt->S1_Pack.Tag== END_TAG) {
- printk(" No packets describing %s resources.\n", cat);
- return;
- }
- printk( " Packets describing %s resources:\n",cat);
- do {
- int size;
- if (tag_type(pkt->S1_Pack.Tag)) {
- size= 3 +
- pkt->L1_Pack.Count0 +
- pkt->L1_Pack.Count1*256;
- printlargepacket(pkt, size);
- } else {
- size=tag_small_count(pkt->S1_Pack.Tag)+1;
- printsmallpacket(pkt, size);
- }
- pkt = (PnP_TAG_PACKET *)((unsigned char *) pkt + size);
- } while (pkt->S1_Pack.Tag != END_TAG);
-}
-
-void __init print_residual_device_info(void)
-{
- int i;
- PPC_DEVICE *dev;
-#define did dev->DeviceId
-
- /* make sure we have residual data first */
- if (!have_residual_data)
- return;
-
- printk("Residual: %ld devices\n", res->ActualNumDevices);
- for ( i = 0;
- i < res->ActualNumDevices ;
- i++)
- {
- char decomp[4], sn[20];
- const char * s;
- dev = &res->Devices[i];
- s = PnP_INTERFACE_STR(did.BaseType, did.SubType,
- did.Interface);
- if(!s) {
- sprintf(sn, "interface %d", did.Interface);
- s=sn;
- }
- if ( did.BusId & PCIDEVICE )
- printk("PCI Device, Bus %d, DevFunc 0x%x:",
- dev->BusAccess.PCIAccess.BusNumber,
- dev->BusAccess.PCIAccess.DevFuncNumber);
- if ( did.BusId & PNPISADEVICE ) printk("PNPISA Device:");
- if ( did.BusId & ISADEVICE )
- printk("ISA Device, Slot %d, LogicalDev %d:",
- dev->BusAccess.ISAAccess.SlotNumber,
- dev->BusAccess.ISAAccess.LogicalDevNumber);
- if ( did.BusId & EISADEVICE ) printk("EISA Device:");
- if ( did.BusId & PROCESSORDEVICE )
- printk("ProcBus Device, Bus %d, BUID %d: ",
- dev->BusAccess.ProcBusAccess.BusNumber,
- dev->BusAccess.ProcBusAccess.BUID);
- if ( did.BusId & PCMCIADEVICE ) printk("PCMCIA ");
- if ( did.BusId & VMEDEVICE ) printk("VME ");
- if ( did.BusId & MCADEVICE ) printk("MCA ");
- if ( did.BusId & MXDEVICE ) printk("MX ");
- /* Decompress first 3 chars */
- decomp[0]='A'-1+((did.DevId>>26)&0x1F);
- decomp[1]='A'-1+((did.DevId>>21)&0x1F);
- decomp[2]='A'-1+((did.DevId>>16)&0x1F);
- decomp[3]=0;
- printk(" %s%4.4lX, %s, %s, %s\n",
- decomp, did.DevId&0xffff,
- PnP_BASE_TYPES[did.BaseType],
- PnP_SUB_TYPE_STR(did.BaseType,did.SubType),
- s);
- if ( dev->AllocatedOffset )
- printpackets( (union _PnP_TAG_PACKET *)
- &res->DevicePnPHeap[dev->AllocatedOffset],
- "allocated");
- if ( dev->PossibleOffset )
- printpackets( (union _PnP_TAG_PACKET *)
- &res->DevicePnPHeap[dev->PossibleOffset],
- "possible");
- if ( dev->CompatibleOffset )
- printpackets( (union _PnP_TAG_PACKET *)
- &res->DevicePnPHeap[dev->CompatibleOffset],
- "compatible");
- }
-}
-
-
-#if 0
-static void __init printVPD(void) {
-#define vpd res->VitalProductData
- int ps=vpd.PageSize, i, j;
- static const char* Usage[]={
- "FirmwareStack", "FirmwareHeap", "FirmwareCode", "BootImage",
- "Free", "Unpopulated", "ISAAddr", "PCIConfig",
- "IOMemory", "SystemIO", "SystemRegs", "PCIAddr",
- "UnPopSystemRom", "SystemROM", "ResumeBlock", "Other"
- };
- static const unsigned char *FWMan[]={
- "IBM", "Motorola", "FirmWorks", "Bull"
- };
- static const unsigned char *FWFlags[]={
- "Conventional", "OpenFirmware", "Diagnostics", "LowDebug",
- "MultiBoot", "LowClient", "Hex41", "FAT",
- "ISO9660", "SCSI_ID_Override", "Tape_Boot", "FW_Boot_Path"
- };
- static const unsigned char *ESM[]={
- "Port92", "PCIConfigA8", "FF001030", "????????"
- };
- static const unsigned char *SIOM[]={
- "Port850", "????????", "PCIConfigA8", "????????"
- };
-
- printk("Model: %s\n",vpd.PrintableModel);
- printk("Serial: %s\n", vpd.Serial);
- printk("FirmwareSupplier: %s\n", FWMan[vpd.FirmwareSupplier]);
- printk("FirmwareFlags:");
- for(j=0; j<12; j++) {
- if (vpd.FirmwareSupports & (1<<j)) {
- printk(" %s%c", FWFlags[j],
- vpd.FirmwareSupports&(-2<<j) ? ',' : '\n');
- }
- }
- printk("NVRamSize: %ld\n", vpd.NvramSize);
- printk("SIMMslots: %ld\n", vpd.NumSIMMSlots);
- printk("EndianSwitchMethod: %s\n",
- ESM[vpd.EndianSwitchMethod>2 ? 2 : vpd.EndianSwitchMethod]);
- printk("SpreadIOMethod: %s\n",
- SIOM[vpd.SpreadIOMethod>3 ? 3 : vpd.SpreadIOMethod]);
- printk("Processor/Bus frequencies (Hz): %ld/%ld\n",
- vpd.ProcessorHz, vpd.ProcessorBusHz);
- printk("Time Base Divisor: %ld\n", vpd.TimeBaseDivisor);
- printk("WordWidth, PageSize: %ld, %d\n", vpd.WordWidth, ps);
- printk("Cache sector size, Lock granularity: %ld, %ld\n",
- vpd.CoherenceBlockSize, vpd.GranuleSize);
- for (i=0; i<res->ActualNumMemSegs; i++) {
- int mask=res->Segs[i].Usage, first, j;
- printk("%8.8lx-%8.8lx ",
- res->Segs[i].BasePage*ps,
- (res->Segs[i].PageCount+res->Segs[i].BasePage)*ps-1);
- for(j=15, first=1; j>=0; j--) {
- if (mask&(1<<j)) {
- if (first) first=0;
- else printk(", ");
- printk("%s", Usage[j]);
- }
- }
- printk("\n");
- }
-}
-
-/*
- * Spit out some info about residual data
- */
-void print_residual_device_info(void)
-{
- int i;
- union _PnP_TAG_PACKET *pkt;
- PPC_DEVICE *dev;
-#define did dev->DeviceId
-
- /* make sure we have residual data first */
- if (!have_residual_data)
- return;
- printk("Residual: %ld devices\n", res->ActualNumDevices);
- for ( i = 0;
- i < res->ActualNumDevices ;
- i++)
- {
- dev = &res->Devices[i];
- /*
- * pci devices
- */
- if ( did.BusId & PCIDEVICE )
- {
- printk("PCI Device:");
- /* unknown vendor */
- if ( !strncmp( "Unknown", pci_strvendor(did.DevId>>16), 7) )
- printk(" id %08lx types %d/%d", did.DevId,
- did.BaseType, did.SubType);
- /* known vendor */
- else
- printk(" %s %s",
- pci_strvendor(did.DevId>>16),
- pci_strdev(did.DevId>>16,
- did.DevId&0xffff)
- );
-
- if ( did.BusId & PNPISADEVICE )
- {
- printk(" pnp:");
- /* get pnp info on the device */
- pkt = (union _PnP_TAG_PACKET *)
- &res->DevicePnPHeap[dev->AllocatedOffset];
- for (; pkt->S1_Pack.Tag != DF_END_TAG;
- pkt++ )
- {
- if ( (pkt->S1_Pack.Tag == S4_Packet) ||
- (pkt->S1_Pack.Tag == S4_Packet_flags) )
- printk(" irq %02x%02x",
- pkt->S4_Pack.IRQMask[0],
- pkt->S4_Pack.IRQMask[1]);
- }
- }
- printk("\n");
- continue;
- }
- /*
- * isa devices
- */
- if ( did.BusId & ISADEVICE )
- {
- printk("ISA Device: basetype: %d subtype: %d",
- did.BaseType, did.SubType);
- printk("\n");
- continue;
- }
- /*
- * eisa devices
- */
- if ( did.BusId & EISADEVICE )
- {
- printk("EISA Device: basetype: %d subtype: %d",
- did.BaseType, did.SubType);
- printk("\n");
- continue;
- }
- /*
- * proc bus devices
- */
- if ( did.BusId & PROCESSORDEVICE )
- {
- printk("ProcBus Device: basetype: %d subtype: %d",
- did.BaseType, did.SubType);
- printk("\n");
- continue;
- }
- /*
- * pcmcia devices
- */
- if ( did.BusId & PCMCIADEVICE )
- {
- printk("PCMCIA Device: basetype: %d subtype: %d",
- did.BaseType, did.SubType);
- printk("\n");
- continue;
- }
- printk("Unknown bus access device: busid %lx\n",
- did.BusId);
- }
-}
-#endif
-
-/* Returns the device index in the residual data,
- any of the search items may be set as -1 for wildcard,
- DevID number field (second halfword) is big endian !
-
- Examples:
- - search for the Interrupt controller (8259 type), 2 methods:
- 1) i8259 = residual_find_device(~0,
- NULL,
- SystemPeripheral,
- ProgrammableInterruptController,
- ISA_PIC,
- 0);
- 2) i8259 = residual_find_device(~0, "PNP0000", -1, -1, -1, 0)
-
- - search for the first two serial devices, whatever their type)
- iserial1 = residual_find_device(~0,NULL,
- CommunicationsDevice,
- RS232Device,
- -1, 0)
- iserial2 = residual_find_device(~0,NULL,
- CommunicationsDevice,
- RS232Device,
- -1, 1)
- - but search for typical COM1 and COM2 is not easy due to the
- fact that the interface may be anything and the name "PNP0500" or
- "PNP0501". Quite bad.
-
-*/
-
-/* devid are easier to uncompress than to compress, so to minimize bloat
-in this rarely used area we unencode and compare */
-
-/* in residual data number is big endian in the device table and
-little endian in the heap, so we use two parameters to avoid writing
-two very similar functions */
-
-static int __init same_DevID(unsigned short vendor,
- unsigned short Number,
- char * str)
-{
- static unsigned const char hexdigit[]="0123456789ABCDEF";
- if (strlen(str)!=7) return 0;
- if ( ( ((vendor>>10)&0x1f)+'A'-1 == str[0]) &&
- ( ((vendor>>5)&0x1f)+'A'-1 == str[1]) &&
- ( (vendor&0x1f)+'A'-1 == str[2]) &&
- (hexdigit[(Number>>12)&0x0f] == str[3]) &&
- (hexdigit[(Number>>8)&0x0f] == str[4]) &&
- (hexdigit[(Number>>4)&0x0f] == str[5]) &&
- (hexdigit[Number&0x0f] == str[6]) ) return 1;
- return 0;
-}
-
-PPC_DEVICE __init *residual_find_device(unsigned long BusMask,
- unsigned char * DevID,
- int BaseType,
- int SubType,
- int Interface,
- int n)
-{
- int i;
- if (!have_residual_data) return NULL;
- for (i=0; i<res->ActualNumDevices; i++) {
-#define Dev res->Devices[i].DeviceId
- if ( (Dev.BusId&BusMask) &&
- (BaseType==-1 || Dev.BaseType==BaseType) &&
- (SubType==-1 || Dev.SubType==SubType) &&
- (Interface==-1 || Dev.Interface==Interface) &&
- (DevID==NULL || same_DevID((Dev.DevId>>16)&0xffff,
- Dev.DevId&0xffff, DevID)) &&
- !(n--) ) return res->Devices+i;
-#undef Dev
- }
- return NULL;
-}
-
-PPC_DEVICE __init *residual_find_device_id(unsigned long BusMask,
- unsigned short DevID,
- int BaseType,
- int SubType,
- int Interface,
- int n)
-{
- int i;
- if (!have_residual_data) return NULL;
- for (i=0; i<res->ActualNumDevices; i++) {
-#define Dev res->Devices[i].DeviceId
- if ( (Dev.BusId&BusMask) &&
- (BaseType==-1 || Dev.BaseType==BaseType) &&
- (SubType==-1 || Dev.SubType==SubType) &&
- (Interface==-1 || Dev.Interface==Interface) &&
- (DevID==0xffff || (Dev.DevId&0xffff) == DevID) &&
- !(n--) ) return res->Devices+i;
-#undef Dev
- }
- return NULL;
-}
-
-static int __init
-residual_scan_pcibridge(PnP_TAG_PACKET * pkt, struct pci_dev *dev)
-{
- int irq = -1;
-
-#define data pkt->L4_Pack.L4_Data.L4_PPCPack.PPCData
- if (dev->bus->number == data[16]) {
- int i, size;
-
- size = 3 + ld_le16((u_short *) (&pkt->L4_Pack.Count0));
- for (i = 20; i < size - 4; i += 12) {
- unsigned char pin;
- int line_irq;
-
- if (dev->devfn != data[i + 1])
- continue;
-
- pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
- if (pin) {
- line_irq = ld_le16((unsigned short *)
- (&data[i + 4 + 2 * (pin - 1)]));
- irq = (line_irq == 0xffff) ? 0
- : line_irq & 0x7fff;
- } else
- irq = 0;
-
- break;
- }
- }
-#undef data
-
- return irq;
-}
-
-int __init
-residual_pcidev_irq(struct pci_dev *dev)
-{
- int i = 0;
- int irq = -1;
- PPC_DEVICE *bridge;
-
- while ((bridge = residual_find_device
- (-1, NULL, BridgeController, PCIBridge, -1, i++))) {
-
- PnP_TAG_PACKET *pkt;
- if (bridge->AllocatedOffset) {
- pkt = PnP_find_large_vendor_packet(res->DevicePnPHeap +
- bridge->AllocatedOffset, 3, 0);
- if (!pkt)
- continue;
-
- irq = residual_scan_pcibridge(pkt, dev);
- if (irq != -1)
- break;
- }
- }
-
- return (irq < 0) ? 0 : irq;
-}
-
-void __init residual_irq_mask(char *irq_edge_mask_lo, char *irq_edge_mask_hi)
-{
- PPC_DEVICE *dev;
- int i = 0;
- unsigned short irq_mask = 0x000; /* default to edge */
-
- while ((dev = residual_find_device(-1, NULL, -1, -1, -1, i++))) {
- PnP_TAG_PACKET *pkt;
- unsigned short mask;
- int size;
- int offset = dev->AllocatedOffset;
-
- if (!offset)
- continue;
-
- pkt = PnP_find_packet(res->DevicePnPHeap + offset,
- IRQFormat, 0);
- if (!pkt)
- continue;
-
- size = tag_small_count(pkt->S1_Pack.Tag) + 1;
- mask = ld_le16((unsigned short *)pkt->S4_Pack.IRQMask);
- if (size > 3 && (pkt->S4_Pack.IRQInfo & 0x0c))
- irq_mask |= mask;
- }
-
- *irq_edge_mask_lo = irq_mask & 0xff;
- *irq_edge_mask_hi = irq_mask >> 8;
-}
-
-unsigned int __init residual_isapic_addr(void)
-{
- PPC_DEVICE *isapic;
- PnP_TAG_PACKET *pkt;
- unsigned int addr;
-
- isapic = residual_find_device(~0, NULL, SystemPeripheral,
- ProgrammableInterruptController,
- ISA_PIC, 0);
- if (!isapic)
- goto unknown;
-
- pkt = PnP_find_large_vendor_packet(res->DevicePnPHeap +
- isapic->AllocatedOffset, 9, 0);
- if (!pkt)
- goto unknown;
-
-#define p pkt->L4_Pack.L4_Data.L4_PPCPack
- /* Must be 32-bit system address */
- if (!((p.PPCData[0] == 3) && (p.PPCData[1] == 32)))
- goto unknown;
-
- /* It doesn't seem to work where length != 1 (what can I say? :-/ ) */
- if (ld_le32((unsigned int *)(p.PPCData + 12)) != 1)
- goto unknown;
-
- addr = ld_le32((unsigned int *) (p.PPCData + 4));
-#undef p
- return addr;
-unknown:
- return 0;
-}
-
-PnP_TAG_PACKET *PnP_find_packet(unsigned char *p,
- unsigned packet_tag,
- int n)
-{
- unsigned mask, masked_tag, size;
- if(!p) return NULL;
- if (tag_type(packet_tag)) mask=0xff; else mask=0xF8;
- masked_tag = packet_tag&mask;
- for(; *p != END_TAG; p+=size) {
- if ((*p & mask) == masked_tag && !(n--))
- return (PnP_TAG_PACKET *) p;
- if (tag_type(*p))
- size=ld_le16((unsigned short *)(p+1))+3;
- else
- size=tag_small_count(*p)+1;
- }
- return NULL; /* not found */
-}
-
-PnP_TAG_PACKET __init *PnP_find_small_vendor_packet(unsigned char *p,
- unsigned packet_type,
- int n)
-{
- int next=0;
- while (p) {
- p = (unsigned char *) PnP_find_packet(p, 0x70, next);
- if (p && p[1]==packet_type && !(n--))
- return (PnP_TAG_PACKET *) p;
- next = 1;
- };
- return NULL; /* not found */
-}
-
-PnP_TAG_PACKET __init *PnP_find_large_vendor_packet(unsigned char *p,
- unsigned packet_type,
- int n)
-{
- int next=0;
- while (p) {
- p = (unsigned char *) PnP_find_packet(p, 0x84, next);
- if (p && p[3]==packet_type && !(n--))
- return (PnP_TAG_PACKET *) p;
- next = 1;
- };
- return NULL; /* not found */
-}
-
-#ifdef CONFIG_PROC_PREPRESIDUAL
-static int proc_prep_residual_read(char * buf, char ** start, off_t off,
- int count, int *eof, void *data)
-{
- int n;
-
- n = res->ResidualLength - off;
- if (n < 0) {
- *eof = 1;
- n = 0;
- }
- else {
- if (n > count)
- n = count;
- else
- *eof = 1;
-
- memcpy(buf, (char *)res + off, n);
- *start = buf;
- }
-
- return n;
-}
-
-int __init
-proc_prep_residual_init(void)
-{
- if (have_residual_data)
- create_proc_read_entry("residual", S_IRUGO, NULL,
- proc_prep_residual_read, NULL);
- return 0;
-}
-
-__initcall(proc_prep_residual_init);
-#endif
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 03:49:19 +0000