Merge with git://www.denx.de/git/u-boot.git

1 files changed, 0 insertions, 902 deletions

diff --git a/board/MAI/bios_emulator/scitech/src/v86bios/pci.c b/board/MAI/bios_emulator/scitech/src/v86bios/pci.c
deleted file mode 100644
index b58a57195..000000000
--- a/board/MAI/bios_emulator/scitech/src/v86bios/pci.c
+++ /dev/null
@@ -1,902 +0,0 @@
-/*
- * Copyright 1999 Egbert Eich
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the authors not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  The authors makes no representations
- * about the suitability of this software for any purpose.  It is provided
- * "as is" without express or implied warranty.
- *
- * THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-#include "debug.h"
-#include <fcntl.h>
-#include <unistd.h>
-#include <malloc.h>
-#include <stdio.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <string.h>
-#if defined (__alpha__) || defined (__ia64__)
-#include <sys/io.h>
-#endif
-#include "AsmMacros.h"
-
-#include "pci.h"
-
-/*
- * I'm rather simple mindend - therefore I do a poor man's
- * pci scan without all the fancy stuff that is done in
- * scanpci. However that's all we need.
- */
-
-PciStructPtr PciStruct = NULL;
-PciBusPtr PciBuses = NULL;
-PciStructPtr CurrentPci = NULL;
-PciStructPtr PciList = NULL;
-PciStructPtr BootBios = NULL;
-int pciMaxBus = 0;
-
-static CARD32 PciCfg1Addr;
-
-static void readConfigSpaceCfg1(CARD32 bus, CARD32 dev, CARD32 func,
-		CARD32 *reg);
-static int checkSlotCfg1(CARD32 bus, CARD32 dev, CARD32 func);
-static int checkSlotCfg2(CARD32 bus, int dev);
-static void readConfigSpaceCfg2(CARD32 bus, int dev, CARD32 *reg);
-static CARD8 interpretConfigSpace(CARD32 *reg, int busidx,
-		  CARD8 dev, CARD8 func);
-static CARD32 findBIOSMap(PciStructPtr pciP, CARD32 *biosSize);
-static void restoreMem(PciStructPtr pciP);
-
-
-#ifdef __alpha__
-#define PCI_BUS_FROM_TAG(tag)  (((tag) & 0x00ff0000) >> 16)
-#define PCI_DFN_FROM_TAG(tag) (((tag) & 0x0000ff00) >> 8)
-
-#include <asm/unistd.h>
-
-CARD32
-axpPciCfgRead(CARD32 tag)
-{
-    int bus, dfn;
-    CARD32 val = 0xffffffff;
-
-    bus = PCI_BUS_FROM_TAG(tag);
-    dfn = PCI_DFN_FROM_TAG(tag);
-
-    syscall(__NR_pciconfig_read, bus, dfn, tag & 0xff, 4, &val);
-    return(val);
-}
-
-void
-axpPciCfgWrite(CARD32 tag, CARD32 val)
-{
-    int bus, dfn;
-
-    bus = PCI_BUS_FROM_TAG(tag);
-    dfn = PCI_DFN_FROM_TAG(tag);
-
-    syscall(__NR_pciconfig_write, bus, dfn, tag & 0xff, 4, &val);
-}
-
-static CARD32 (*readPci)(CARD32 reg) = axpPciCfgRead;
-static void (*writePci)(CARD32 reg, CARD32 val) = axpPciCfgWrite;
-#else
-static CARD32 readPciCfg1(CARD32 reg);
-static void writePciCfg1(CARD32 reg, CARD32 val);
-static CARD32 readPciCfg2(CARD32 reg);
-static void writePciCfg2(CARD32 reg, CARD32 val);
-
-static CARD32 (*readPci)(CARD32 reg) = readPciCfg1;
-static void (*writePci)(CARD32 reg, CARD32 val) = writePciCfg1;
-#endif
-
-#if defined(__alpha__) || defined(__sparc__)
-#define PCI_EN 0x00000000
-#else
-#define PCI_EN 0x80000000
-#endif
-
-
-static int numbus;
-static int hostbridges = 1;
-static unsigned long pciMinMemReg = ~0;
-
-
-void
-scan_pci(void)
-{
-    unsigned short configtype;
-
-    CARD32 reg[64];
-    int busidx;
-    CARD8 cardnum;
-    CARD8 func;
-    int idx;
-
-    int i;
-    PciStructPtr pci1;
-    PciBusPtr pci_b1,pci_b2;
-
-#if defined(__alpha__) || defined(__powerpc__) || defined(__sparc__) || defined(__ia64__)
-    configtype = 1;
-#else
-    CARD8 tmp1, tmp2;
-    CARD32 tmp32_1, tmp32_2;
-    outb(PCI_MODE2_ENABLE_REG, 0x00);
-    outb(PCI_MODE2_FORWARD_REG, 0x00);
-    tmp1 = inb(PCI_MODE2_ENABLE_REG);
-    tmp2 = inb(PCI_MODE2_FORWARD_REG);
-    if ((tmp1 == 0x00) && (tmp2 == 0x00)) {
-	configtype = 2;
-	readPci = readPciCfg2;
-	writePci = writePciCfg2;
-	P_printf("PCI says configuration type 2\n");
-    } else {
-	tmp32_1 = inl(PCI_MODE1_ADDRESS_REG);
-	outl(PCI_MODE1_ADDRESS_REG, PCI_EN);
-	tmp32_2 = inl(PCI_MODE1_ADDRESS_REG);
-	outl(PCI_MODE1_ADDRESS_REG, tmp32_1);
-	if (tmp32_2 == PCI_EN) {
-	    configtype = 1;
-	    P_printf("PCI says configuration type 1\n");
-	} else {
-	    P_printf("No PCI !\n");
-	    return;
-	}
-    }
-#endif
-
-    if (configtype == 1) {
-	P_printf("PCI probing configuration type 1\n");
-	busidx = 0;
-	numbus = 1;
-	idx = 0;
-	do {
-	    P_printf("\nProbing for devices on PCI bus %d:\n", busidx);
-	    for (cardnum = 0; cardnum < MAX_DEV_PER_VENDOR_CFG1; cardnum++) {
-		func = 0;
-		do {
-		    /* loop over the different functions, if present */
-		    if (!checkSlotCfg1(busidx,cardnum,func))
-			break;
-		    readConfigSpaceCfg1(busidx,cardnum,func,reg);
-
-		    func = interpretConfigSpace(reg,busidx,
-						cardnum,func);
-
-		    if (idx++ > MAX_PCI_DEVICES)
-			continue;
-		} while (func < 8);
-	    }
-	} while (++busidx < PCI_MAXBUS);
-#if defined(__alpha__) || defined(__powerpc__) || defined(__sparc__) || defined(__ia64__)
-	/* don't use outl()  ;-) */
-#else
-	outl(PCI_MODE1_ADDRESS_REG, 0);
-#endif
-    } else {
-	int slot;
-
-	P_printf("PCI probing configuration type 2\n");
-	busidx = 0;
-	numbus = 1;
-	idx = 0;
-	do {
-	    for (slot=0xc0; slot<0xd0; i++) {
-		if (!checkSlotCfg2(busidx,slot))
-		    break;
-		readConfigSpaceCfg2(busidx,slot,reg);
-
-		interpretConfigSpace(reg,busidx,
-				     slot,0);
-		if (idx++ > MAX_PCI_DEVICES)
-		    continue;
-	    }
-	}  while (++busidx < PCI_MAXBUS);
-    }
-
-
-    pciMaxBus = numbus - 1;
-    P_printf("Number of buses in system: %i\n",pciMaxBus + 1);
-    P_printf("Min PCI mem address: 0x%lx\n",pciMinMemReg);
-
-    /* link buses */
-    pci_b1 = PciBuses;
-    while (pci_b1) {
-	pci_b2 = PciBuses;
-	pci_b1->pBus = NULL;
-	while (pci_b2) {
-	    if (pci_b1->primary == pci_b2->secondary)
-		pci_b1->pBus = pci_b2;
-	    pci_b2 = pci_b2->next;
-	}
-	pci_b1 = pci_b1->next;
-    }
-    pci1 = PciStruct;
-    while (pci1) {
-	pci_b2 = PciBuses;
-	pci1->pBus = NULL;
-	while (pci_b2) {
-	    if (pci1->bus == pci_b2->secondary)
-		pci1->pBus = pci_b2;
-	    pci_b2 = pci_b2->next;
-	}
-	pci1 = pci1->next;
-    }
-    if (RESORT) {
-	PciStructPtr tmp = PciStruct, tmp1;
-	PciStruct = NULL;
-	while (tmp) {
-	    tmp1 = tmp->next;
-	    tmp->next = PciStruct;
-	    PciStruct = tmp;
-	    tmp = tmp1;
-	}
-    }
-    PciList = CurrentPci = PciStruct;
-}
-
-#ifndef __alpha__
-static CARD32
-readPciCfg1(CARD32 reg)
-{
-    CARD32 val;
-
-    outl(PCI_MODE1_ADDRESS_REG, reg);
-    val = inl(PCI_MODE1_DATA_REG);
-    outl(PCI_MODE1_ADDRESS_REG, 0);
-    P_printf("reading: 0x%x from 0x%x\n",val,reg);
-    return val;
-}
-
-static void
-writePciCfg1(CARD32 reg, CARD32 val)
-{
-    P_printf("writing: 0x%x to 0x%x\n",val,reg);
-    outl(PCI_MODE1_ADDRESS_REG, reg);
-    outl(PCI_MODE1_DATA_REG,val);
-    outl(PCI_MODE1_ADDRESS_REG, 0);
-}
-
-static CARD32
-readPciCfg2(CARD32 reg)
-{
-    CARD32 val;
-    CARD8 bus = (reg >> 16) & 0xff;
-    CARD8 dev = (reg >> 11) & 0x1f;
-    CARD8 num = reg & 0xff;
-
-    outb(PCI_MODE2_ENABLE_REG, 0xF1);
-    outb(PCI_MODE2_FORWARD_REG, bus);
-    val = inl((dev << 8) + num);
-    outb(PCI_MODE2_ENABLE_REG, 0x00);
-    P_printf("reading: 0x%x from 0x%x\n",val,reg);
-    return val;
-}
-
-static void
-writePciCfg2(CARD32 reg, CARD32 val)
-{
-    CARD8 bus = (reg >> 16) & 0xff;
-    CARD8 dev = (reg >> 11) & 0x1f;
-    CARD8 num = reg & 0xff;
-
-    P_printf("writing: 0x%x to 0x%x\n",val,reg);
-    outb(PCI_MODE2_ENABLE_REG, 0xF1);
-    outb(PCI_MODE2_FORWARD_REG, bus);
-    outl((dev << 8) + num,val);
-    outb(PCI_MODE2_ENABLE_REG, 0x00);
-}
-#endif
-
-void
-pciVideoDisable(void)
-{
-    /* disable VGA routing on bridges */
-    PciBusPtr pbp = PciBuses;
-    PciStructPtr pcp = PciStruct;
-
-    while (pbp) {
-	writePci(pbp->Slot.l | 0x3c, pbp->bctl & ~(CARD32)(8<<16));
-	pbp = pbp->next;
-    }
-    /* disable display devices */
-    while (pcp) {
-	writePci(pcp->Slot.l | 0x04, pcp->cmd_st & ~(CARD32)3);
-	writePci(pcp->Slot.l | 0x30, pcp->RomBase & ~(CARD32)1);
-	pcp = pcp->next;
-    }
-}
-
-void
-pciVideoRestore(void)
-{
-    /* disable VGA routing on bridges */
-    PciBusPtr pbp = PciBuses;
-    PciStructPtr pcp = PciStruct;
-
-    while (pbp) {
-	writePci(pbp->Slot.l | 0x3c, pbp->bctl);
-	pbp = pbp->next;
-    }
-    /* disable display devices */
-    while (pcp) {
-	writePci(pcp->Slot.l | 0x04, pcp->cmd_st);
-	writePci(pcp->Slot.l | 0x30, pcp->RomBase);
-	pcp = pcp->next;
-    }
-}
-
-void
-EnableCurrent()
-{
-    PciBusPtr pbp;
-    PciStructPtr pcp = CurrentPci;
-
-    pciVideoDisable();
-
-    pbp = pcp->pBus;
-    while (pbp) { /* enable bridges */
-	writePci(pbp->Slot.l | 0x3c, pbp->bctl | (CARD32)(8<<16));
-	pbp = pbp->pBus;
-    }
-    writePci(pcp->Slot.l | 0x04, pcp->cmd_st | (CARD32)3);
-    writePci(pcp->Slot.l | 0x30, pcp->RomBase | (CARD32)1);
-}
-
-CARD8
-PciRead8(int offset, CARD32 Slot)
-{
-    int shift = offset & 0x3;
-    offset = offset & 0xFC;
-    return ((readPci(Slot | offset) >> (shift << 3)) & 0xff);
-}
-
-CARD16
-PciRead16(int offset, CARD32 Slot)
-{
-    int shift = offset & 0x2;
-    offset = offset & 0xFC;
-    return ((readPci(Slot | offset) >> (shift << 3)) & 0xffff);
-}
-
-CARD32
-PciRead32(int offset, CARD32 Slot)
-{
-    offset = offset & 0xFC;
-    return (readPci(Slot | offset));
-}
-
-void
-PciWrite8(int offset, CARD8 byte, CARD32 Slot)
-{
-    CARD32 val;
-    int shift = offset & 0x3;
-    offset = offset & 0xFC;
-    val = readPci(Slot | offset);
-    val &= ~(CARD32)(0xff << (shift << 3));
-    val |= byte << (shift << 3);
-    writePci(Slot | offset, val);
-}
-
-void
-PciWrite16(int offset, CARD16 word, CARD32 Slot)
-{
-    CARD32 val;
-    int shift = offset & 0x2;
-    offset = offset & 0xFC;
-    val = readPci(Slot | offset);
-    val &= ~(CARD32)(0xffff << (shift << 3));
-    val |= word << (shift << 3);
-    writePci(Slot | offset, val);
-}
-
-void
-PciWrite32(int offset, CARD32 lg, CARD32 Slot)
-{
-    offset = offset & 0xFC;
-    writePci(Slot | offset, lg);
-}
-
-int
-mapPciRom(PciStructPtr pciP)
-{
-    unsigned long RomBase = 0;
-    int mem_fd;
-    unsigned char *mem, *ptr;
-    unsigned char *scratch = NULL;
-    int length = 0;
-    CARD32 biosSize = 0x1000000;
-    CARD32 enablePci;
-
-    if (!pciP)
-      pciP = CurrentPci;
-
-    if (FIX_ROM) {
-	RomBase = findBIOSMap(pciP, &biosSize);
-	if (!RomBase) {
-	    fprintf(stderr,"Cannot remap BIOS of %i:%i:%i "
-		    "- trying preset address\n",pciP->bus,pciP->dev,
-		    pciP->func);
-	    RomBase = pciP->RomBase & ~(CARD32)0xFF;
-	}
-    }  else {
-	RomBase = pciP->RomBase & ~(CARD32)0xFF;
-	if (~RomBase + 1 < biosSize || !RomBase)
-	    RomBase = findBIOSMap(pciP, &biosSize);
-    }
-
-    P_printf("RomBase: 0x%lx\n",RomBase);
-
-    if ((mem_fd = open(MEM_FILE,O_RDONLY))<0) {
-	perror("opening memory");
-	restoreMem(pciP);
-	return (0);
-    }
-
-    PciWrite32(0x30,RomBase | 1,pciP->Slot.l);
-
-#ifdef __alpha__
-    mem = ptr = (unsigned char *)mmap(0, biosSize, PROT_READ,
-				      MAP_SHARED, mem_fd, RomBase | _bus_base());
-#else
-    mem = ptr = (unsigned char *)mmap(0, biosSize, PROT_READ,
-				      MAP_SHARED, mem_fd, RomBase);
-#endif
-    if (pciP != CurrentPci) {
-      enablePci = PciRead32(0x4,pciP->Slot.l);
-      PciWrite32(0x4,enablePci | 0x2,pciP->Slot.l);
-    }
-
-#ifdef PRINT_PCI
-    dprint((unsigned long)ptr,0x30);
-#endif
-    while ( *ptr == 0x55 && *(ptr+1) == 0xAA) {
-	unsigned short data_off = *(ptr+0x18) | (*(ptr+0x19)<< 8);
-	unsigned char *data = ptr + data_off;
-	unsigned char type;
-	int i;
-
-	if (*data!='P' || *(data+1)!='C' || *(data+2)!='I' || *(data+3)!='R') {
-	    break;
-	}
-	type = *(data + 0x14);
-	P_printf("data segment in BIOS: 0x%x, type: 0x%x ",data_off,type);
-
-	if (type != 0)  { /* not PC-AT image: find next one */
-	    unsigned int image_length;
-	    unsigned char indicator = *(data + 0x15);
-	    if (indicator & 0x80) /* last image */
-		break;
-	    image_length = (*(data + 0x10)
-			    | (*(data + 0x11) << 8)) << 9;
-	    P_printf("data image length: 0x%x, ind: 0x%x\n",
-		     image_length,indicator);
-	    ptr = ptr + image_length;
-	    continue;
-	}
-	/* OK, we have a PC Image */
-	length = (*(ptr + 2) << 9);
-	P_printf("BIOS length: 0x%x\n",length);
-	scratch = (unsigned char *)malloc(length);
-	/* don't use memcpy() here: Reading from bus! */
-	for (i=0;i<length;i++)
-	    *(scratch + i)=*(ptr + i);
-	break;
-    }
-
-    if (pciP != CurrentPci)
-      PciWrite32(0x4,enablePci,pciP->Slot.l);
-
-    /* unmap/close/disable PCI bios mem */
-    munmap(mem, biosSize);
-    close(mem_fd);
-    /* disable and restore mapping */
-    writePci(pciP->Slot.l | 0x30, pciP->RomBase & ~(CARD32)1);
-
-    if (scratch && length) {
-	memcpy((unsigned char *)V_BIOS, scratch, length);
-	free(scratch);
-    }
-
-    restoreMem(pciP);
-    return length;
-}
-
-CARD32
-findPci(CARD16 slotBX)
-{
-    CARD32 slot = slotBX << 8;
-
-    if (slot == (CurrentPci->Slot.l & ~PCI_EN))
-	return (CurrentPci->Slot.l | PCI_EN);
-    else {
-#if !SHOW_ALL_DEV
-	PciBusPtr pBus = CurrentPci->pBus;
-	while (pBus) {
-	  /*      fprintf(stderr,"slot: 0x%x  bridge: 0x%x\n",slot, pBus->Slot.l); */
-	    if (slot == (pBus->Slot.l & ~PCI_EN))
-		return pBus->Slot.l | PCI_EN;
-	    pBus = pBus->next;
-	}
-#else
-	PciStructPtr pPci = PciStruct;
-	while (pPci) {
-	  /*fprintf(stderr,"slot: 0x%x  bridge: 0x%x\n",slot, pPci->Slot.l); */
-	    if (slot == (pPci->Slot.l & ~PCI_EN))
-		return pPci->Slot.l | PCI_EN;
-	    pPci = pPci->next;
-	}
-#endif
-    }
-    return 0;
-}
-
-CARD16
-pciSlotBX(PciStructPtr pPci)
-{
-    return (CARD16)((pPci->Slot.l >> 8) & 0xFFFF);
-}
-
-PciStructPtr
-findPciDevice(CARD16 vendorID, CARD16 deviceID, char n)
-{
-    PciStructPtr pPci = CurrentPci;
-    n++;
-
-    while (pPci)  {
-	if ((pPci->VendorID == vendorID) && (pPci->DeviceID == deviceID)) {
-	if (!(--n)) break;
-	}
-    pPci = pPci->next;
-    }
-    return pPci;
-}
-
-PciStructPtr
-findPciClass(CARD8 intf, CARD8 subClass, CARD16 class, char n)
-{
-    PciStructPtr pPci = CurrentPci;
-    n++;
-
-    while (pPci)  {
-	if ((pPci->Interface == intf) && (pPci->SubClass == subClass)
-	 && (pPci->BaseClass == class)) {
-	if (!(--n)) break;
-	}
-    pPci = pPci->next;
-    }
-    return pPci;
-}
-
-static void
-readConfigSpaceCfg1(CARD32 bus, CARD32 dev, CARD32 func, CARD32 *reg)
-{
-    CARD32   config_cmd = PCI_EN | (bus<<16) |
-      (dev<<11) | (func<<8);
-    int i;
-
-    for (i = 0; i<64;i+=4) {
-#ifdef __alpha__
-	reg[i] = axpPciCfgRead(config_cmd | i);
-#else
-	outl(PCI_MODE1_ADDRESS_REG, config_cmd | i);
-	reg[i] = inl(PCI_MODE1_DATA_REG);
-#endif
-
-#ifdef V86BIOS_DEBUG
-	P_printf("0x%lx\n",reg[i]);
-#endif
-    }
-}
-
-static int
-checkSlotCfg1(CARD32 bus, CARD32 dev, CARD32 func)
-{
-    CARD32    config_cmd = PCI_EN | (bus<<16) |
-      (dev<<11) | (func<<8);
-    CARD32 reg;
-#ifdef __alpha__
-	reg = axpPciCfgRead(config_cmd);
-#else
-	outl(PCI_MODE1_ADDRESS_REG, config_cmd);
-	reg = inl(PCI_MODE1_DATA_REG);
-#endif
-    if (reg != 0xFFFFFFFF)
-	return 1;
-    else
-	return 0;
-}
-
-static int
-checkSlotCfg2(CARD32 bus, int dev)
-{
-    CARD32 val;
-
-    outb(PCI_MODE2_ENABLE_REG, 0xF1);
-    outb(PCI_MODE2_FORWARD_REG, bus);
-    val = inl(dev << 8);
-    outb(PCI_MODE2_FORWARD_REG, 0x00);
-    outb(PCI_MODE2_ENABLE_REG, 0x00);
-    if (val == 0xFFFFFFFF)
-	return 0;
-    if (val == 0xF0F0F0F0)
-	return 0;
-    return 1;
-}
-
-static void
-readConfigSpaceCfg2(CARD32 bus, int dev, CARD32 *reg)
-{
-    int i;
-
-    outb(PCI_MODE2_ENABLE_REG, 0xF1);
-    outb(PCI_MODE2_FORWARD_REG, bus);
-    for (i = 0; i<64;i+=4) {
-	reg[i] = inl((dev << 8) + i);
-#ifdef V86BIOS_DEBUG
-	P_printf("0x%lx\n",reg[i]);
-#endif
-    }
-    outb(PCI_MODE2_ENABLE_REG, 0x00);
-}
-
-static CARD8
-interpretConfigSpace(CARD32 *reg, int busidx, CARD8 dev, CARD8 func)
-{
-    CARD32 config_cmd;
-    CARD16 vendor, device;
-    CARD8 baseclass, subclass;
-    CARD8 primary, secondary;
-    CARD8 header, interface;
-    int i;
-
-    config_cmd = PCI_EN | busidx<<16 |
-	(dev<<11) | (func<<8);
-
-    for (i = 0x10; i < 0x28; i+=4) {
-	if (IS_MEM32(reg[i]))
-	    if ((reg[i] & 0xFFFFFFF0) < pciMinMemReg)
-		pciMinMemReg = (reg[i] & 0xFFFFFFF0);
-#ifdef __alpha__
-	if (IS_MEM64(reg[i])) {
-		unsigned long addr = reg[i] |
-	      (unsigned long)(reg[i+4]) << 32;
-	    if ((addr & ~0xfL) < pciMinMemReg)
-		pciMinMemReg = (addr & ~0xfL);
-	    i+=4;
-	}
-#endif
-    }
-    vendor = reg[0] & 0xFFFF;
-    device = reg[0] >> 16;
-    P_printf("bus: %i card: %i func %i reg0: 0x%x ", busidx,dev,func,reg[0]);
-    baseclass = reg[8] >> 24;
-    subclass = (reg[8] >> 16) & 0xFF;
-    interface = (reg[8] >> 8) & 0xFF;
-
-    header = (reg[0x0c] >> 16) & 0xff;
-    P_printf("bc 0x%x, sub 0x%x, if 0x%x, hdr 0x%x\n",
-	     baseclass,subclass,interface,header);
-    if (BRIDGE_CLASS(baseclass)) {
-	if (BRIDGE_PCI_CLASS(subclass)) {
-	    PciBusPtr pbp = malloc(sizeof(PciBusRec));
-	    P_printf("Pci-Pci Bridge found; ");
-	    primary = reg[0x18] & 0xFF;
-	    secondary = (reg[0x18] >> 8) & 0xFF;
-	    P_printf("primary: 0x%x secondary: 0x%x\n",
-		     primary,secondary);
-	    pbp->bctl = reg[0x3c];
-	    pbp->primary = primary;
-	    pbp->secondary = secondary;
-	    pbp->Slot.l = config_cmd;
-	    pbp->next = PciBuses;
-	    PciBuses = pbp;
-	    numbus++;
-	} else if (BRIDGE_HOST_CLASS(subclass)
-		   && (hostbridges++ > 1)) {
-	    numbus++;
-	}
-    } else if (VIDEO_CLASS(baseclass,subclass)) {
-	PciStructPtr pcp = malloc(sizeof(PciStructRec));
-	P_printf("Display adapter found\n");
-	pcp->RomBase = reg[0x30];
-	pcp->cmd_st = reg[4];
-	pcp->active = (reg[4] & 0x03) == 3 ? 1 : 0;
-	pcp->VendorID = vendor;
-	pcp->DeviceID = device;
-	pcp->Interface = interface;
-	pcp->BaseClass = baseclass;
-	pcp->SubClass = subclass;
-	pcp->Slot.l = config_cmd;
-	pcp->bus = busidx;
-	pcp->dev = dev;
-	pcp->func = func;
-	pcp->next = PciStruct;
-	PciStruct = pcp;
-    }
-    if ((func == 0)
-	&& ((header & PCI_MULTIFUNC_DEV) == 0))
-	func = 8;
-    else
-	func++;
-    return func;
-}
-
-static CARD32 remapMEM_val;
-static int remapMEM_num;
-
-static int /* map it on some other video device */
-remapMem(PciStructPtr pciP, int num, CARD32 size)
-{
-    PciStructPtr pciPtr = PciStruct;
-    int i;
-    CARD32 org;
-    CARD32 val;
-    CARD32 size_n;
-
-    org = PciRead32(num + 0x10,pciP->Slot.l);
-
-    while (pciPtr) {
-	for (i = 0; i < 20; i=i+4) {
-
-	    val = PciRead32(i + 0x10,pciPtr->Slot.l);
-	    /* don't map it on itself */
-	    if ((org & 0xfffffff0) == (val & 0xfffffff0))
-		continue;
-	    if (val && !(val & 1))
-		PciWrite32(i + 0x10,0xffffffff,pciPtr->Slot.l);
-	    else
-		continue;
-	    size_n = PciRead32(i + 0x10,pciPtr->Slot.l);
-	    PciWrite32(i + 0x10,val,pciPtr->Slot.l);
-	    size_n = ~(CARD32)(size_n  & 0xfffffff0) + 1;
-
-	    if (size_n >= size) {
-		PciWrite32(num + 0x10,val,pciP->Slot.l);
-		return 1;
-	    }
-	}
-	pciPtr = pciPtr->next;
-    }
-    /* last resort: try to go below lowest PCI mem address */
-    val = ((pciMinMemReg & ~(CARD32)(size - 1)) - size);
-    if (val > 0x7fffffff) {
-	PciWrite32(num + 0x10,val, pciP->Slot.l);
-	return 1;
-    }
-
-    return 0;
-}
-
-static void
-restoreMem(PciStructPtr pciP)
-{
-    if (remapMEM_val == 0) return;
-    PciWrite32(remapMEM_num + 0x10,remapMEM_val,pciP->Slot.l);
-    return;
-}
-
-static CARD32
-findBIOSMap(PciStructPtr pciP, CARD32 *biosSize)
-{
-    PciStructPtr pciPtr = PciStruct;
-    int i;
-    CARD32 val;
-    CARD32 size;
-
-    PciWrite32(0x30,0xffffffff,pciP->Slot.l);
-    *biosSize = PciRead32(0x30,pciP->Slot.l);
-    P_printf("bios size: 0x%x\n",*biosSize);
-    PciWrite32(0x30,pciP->RomBase,pciP->Slot.l);
-    *biosSize = ~(*biosSize & 0xFFFFFF00) + 1;
-    P_printf("bios size masked: 0x%x\n",*biosSize);
-    if (*biosSize > (1024 * 1024 * 16)) {
-      *biosSize = 1024 * 1024 * 16;
-      P_printf("fixing broken BIOS size: 0x%x\n",*biosSize);
-    }
-    while (pciPtr) {
-	if (pciPtr->bus != pciP->bus) {
-	    pciPtr = pciPtr->next;
-	    continue;
-	}
-	for (i = 0; i < 20; i=i+4) {
-
-	    val = PciRead32(i + 0x10,pciPtr->Slot.l);
-	    if (!(val & 1))
-
-	    PciWrite32(i + 0x10,0xffffffff,pciPtr->Slot.l);
-	    else
-		continue;
-	    size = PciRead32(i + 0x10,pciPtr->Slot.l);
-	    PciWrite32(i + 0x10,val,pciPtr->Slot.l);
-	    size = ~(CARD32)(size & 0xFFFFFFF0) + 1;
-#ifdef V86_BIOS_DEBUG
-	    P_printf("size: 0x%x\n",size);
-#endif
-	    if (size >= *biosSize) {
-		if (pciP == pciPtr) { /* if same device remap ram*/
-		    if (!(remapMem(pciP,i,size)))
-			continue;
-		    remapMEM_val = val;
-		    remapMEM_num = i;
-		} else {
-		    remapMEM_val = 0;
-		}
-		return val & 0xFFFFFF00;
-	    }
-	}
-	pciPtr = pciPtr->next;
-    }
-    remapMEM_val = 0;
-    /* very last resort */
-    if (pciP->bus == 0 && (pciMinMemReg > *biosSize))
-      return (pciMinMemReg - size) & ~(size - 1);
-
-    return 0;
-}
-
-int
-cfg1out(CARD16 addr, CARD32 val)
-{
-  if (addr == 0xCF8) {
-    PciCfg1Addr = val;
-    return 1;
-  } else if (addr == 0xCFC) {
-    writePci(PciCfg1Addr, val);
-    return 1;
-  }
-  return 0;
-}
-
-int
-cfg1in(CARD16 addr, CARD32 *val)
-{
-  if (addr == 0xCF8) {
-    *val = PciCfg1Addr;
-    return 1;
-  } else if (addr == 0xCFC) {
-    *val = readPci(PciCfg1Addr);
-    return 1;
-  }
-  return 0;
-}
-
-void
-list_pci(void)
-{
-    PciStructPtr pci = PciList;
-
-    while (pci) {
-    printf("[0x%x:0x%x:0x%x] vendor: 0x%4.4x dev: 0x%4.4x class: 0x%4.4x"
-	   " subclass: 0x%4.4x\n",pci->bus,pci->dev,pci->func,
-	   pci->VendorID,pci->DeviceID,pci->BaseClass,pci->SubClass);
-    pci = pci->next;
-    }
-}
-
-PciStructPtr
-findPciByIDs(int bus, int dev, int func)
-{
-  PciStructPtr pciP = PciList;
-
-  while (pciP) {
-    if (pciP->bus == bus && pciP->dev == dev && pciP->func == func)
-      return pciP;
-    pciP = pciP->next;
-  }
-  return NULL;
-}