diff options
author | wdenk <wdenk> | 2003-06-27 21:31:46 +0000 |
---|---|---|
committer | wdenk <wdenk> | 2003-06-27 21:31:46 +0000 |
commit | 8bde7f776c77b343aca29b8c7b58464d915ac245 (patch) | |
tree | 20f1fd99975215e7c658454a15cdb4ed4694e2d4 /board/MAI/bios_emulator/scitech/src/v86bios/pci.c | |
parent | 993cad9364c6b87ae429d1ed1130d8153f6f027e (diff) | |
download | u-boot-imx-8bde7f776c77b343aca29b8c7b58464d915ac245.zip u-boot-imx-8bde7f776c77b343aca29b8c7b58464d915ac245.tar.gz u-boot-imx-8bde7f776c77b343aca29b8c7b58464d915ac245.tar.bz2 |
* Code cleanup:
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/v86bios/pci.c')
-rw-r--r-- | board/MAI/bios_emulator/scitech/src/v86bios/pci.c | 615 |
1 files changed, 307 insertions, 308 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/v86bios/pci.c b/board/MAI/bios_emulator/scitech/src/v86bios/pci.c index e68c61d..b58a571 100644 --- a/board/MAI/bios_emulator/scitech/src/v86bios/pci.c +++ b/board/MAI/bios_emulator/scitech/src/v86bios/pci.c @@ -51,12 +51,12 @@ int pciMaxBus = 0; static CARD32 PciCfg1Addr; static void readConfigSpaceCfg1(CARD32 bus, CARD32 dev, CARD32 func, - CARD32 *reg); + 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); + CARD8 dev, CARD8 func); static CARD32 findBIOSMap(PciStructPtr pciP, CARD32 *biosSize); static void restoreMem(PciStructPtr pciP); @@ -72,10 +72,10 @@ 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); } @@ -84,10 +84,10 @@ 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); } @@ -115,22 +115,21 @@ 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 @@ -141,111 +140,111 @@ scan_pci(void) 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"); + 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; - } + 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); + 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() ;-) */ + /* don't use outl() ;-) */ #else - outl(PCI_MODE1_ADDRESS_REG, 0); + 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); + 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; + 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; + 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; - } + PciStructPtr tmp = PciStruct, tmp1; + PciStruct = NULL; + while (tmp) { + tmp1 = tmp->next; + tmp->next = PciStruct; + PciStruct = tmp; + tmp = tmp1; + } } PciList = CurrentPci = PciStruct; } @@ -255,7 +254,7 @@ 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); @@ -279,7 +278,7 @@ readPciCfg2(CARD32 reg) 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); @@ -309,16 +308,16 @@ 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; + 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; + writePci(pcp->Slot.l | 0x04, pcp->cmd_st & ~(CARD32)3); + writePci(pcp->Slot.l | 0x30, pcp->RomBase & ~(CARD32)1); + pcp = pcp->next; } } @@ -328,16 +327,16 @@ 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; + 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; + writePci(pcp->Slot.l | 0x04, pcp->cmd_st); + writePci(pcp->Slot.l | 0x30, pcp->RomBase); + pcp = pcp->next; } } @@ -346,13 +345,13 @@ 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(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); @@ -427,35 +426,35 @@ mapPciRom(PciStructPtr 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; - } + 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); + 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); + 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()); + MAP_SHARED, mem_fd, RomBase | _bus_base()); #else mem = ptr = (unsigned char *)mmap(0, biosSize, PROT_READ, - MAP_SHARED, mem_fd, RomBase); + MAP_SHARED, mem_fd, RomBase); #endif if (pciP != CurrentPci) { enablePci = PciRead32(0x4,pciP->Slot.l); @@ -466,37 +465,37 @@ mapPciRom(PciStructPtr pciP) 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; + 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) @@ -509,10 +508,10 @@ mapPciRom(PciStructPtr pciP) writePci(pciP->Slot.l | 0x30, pciP->RomBase & ~(CARD32)1); if (scratch && length) { - memcpy((unsigned char *)V_BIOS, scratch, length); - free(scratch); + memcpy((unsigned char *)V_BIOS, scratch, length); + free(scratch); } - + restoreMem(pciP); return length; } @@ -523,24 +522,24 @@ findPci(CARD16 slotBX) CARD32 slot = slotBX << 8; if (slot == (CurrentPci->Slot.l & ~PCI_EN)) - return (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; - } + 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; - } + 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; @@ -559,9 +558,9 @@ findPciDevice(CARD16 vendorID, CARD16 deviceID, char n) n++; while (pPci) { - if ((pPci->VendorID == vendorID) && (pPci->DeviceID == deviceID)) { - if (!(--n)) break; - } + if ((pPci->VendorID == vendorID) && (pPci->DeviceID == deviceID)) { + if (!(--n)) break; + } pPci = pPci->next; } return pPci; @@ -574,10 +573,10 @@ findPciClass(CARD8 intf, CARD8 subClass, CARD16 class, char n) n++; while (pPci) { - if ((pPci->Interface == intf) && (pPci->SubClass == subClass) - && (pPci->BaseClass == class)) { - if (!(--n)) break; - } + if ((pPci->Interface == intf) && (pPci->SubClass == subClass) + && (pPci->BaseClass == class)) { + if (!(--n)) break; + } pPci = pPci->next; } return pPci; @@ -592,14 +591,14 @@ readConfigSpaceCfg1(CARD32 bus, CARD32 dev, CARD32 func, CARD32 *reg) for (i = 0; i<64;i+=4) { #ifdef __alpha__ - reg[i] = axpPciCfgRead(config_cmd | i); + reg[i] = axpPciCfgRead(config_cmd | i); #else - outl(PCI_MODE1_ADDRESS_REG, config_cmd | i); - reg[i] = inl(PCI_MODE1_DATA_REG); + 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]); + P_printf("0x%lx\n",reg[i]); #endif } } @@ -611,15 +610,15 @@ checkSlotCfg1(CARD32 bus, CARD32 dev, CARD32 func) (dev<<11) | (func<<8); CARD32 reg; #ifdef __alpha__ - reg = axpPciCfgRead(config_cmd); + reg = axpPciCfgRead(config_cmd); #else - outl(PCI_MODE1_ADDRESS_REG, config_cmd); - reg = inl(PCI_MODE1_DATA_REG); + outl(PCI_MODE1_ADDRESS_REG, config_cmd); + reg = inl(PCI_MODE1_DATA_REG); #endif if (reg != 0xFFFFFFFF) - return 1; + return 1; else - return 0; + return 0; } static int @@ -633,9 +632,9 @@ checkSlotCfg2(CARD32 bus, int dev) outb(PCI_MODE2_FORWARD_REG, 0x00); outb(PCI_MODE2_ENABLE_REG, 0x00); if (val == 0xFFFFFFFF) - return 0; + return 0; if (val == 0xF0F0F0F0) - return 0; + return 0; return 1; } @@ -647,9 +646,9 @@ readConfigSpaceCfg2(CARD32 bus, int dev, CARD32 *reg) 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); + reg[i] = inl((dev << 8) + i); #ifdef V86BIOS_DEBUG - P_printf("0x%lx\n",reg[i]); + P_printf("0x%lx\n",reg[i]); #endif } outb(PCI_MODE2_ENABLE_REG, 0x00); @@ -664,22 +663,22 @@ interpretConfigSpace(CARD32 *reg, int busidx, CARD8 dev, CARD8 func) CARD8 primary, secondary; CARD8 header, interface; int i; - + config_cmd = PCI_EN | busidx<<16 | - (dev<<11) | (func<<8); + (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); + 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; - } + 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; @@ -691,49 +690,49 @@ interpretConfigSpace(CARD32 *reg, int busidx, CARD8 dev, CARD8 func) header = (reg[0x0c] >> 16) & 0xff; P_printf("bc 0x%x, sub 0x%x, if 0x%x, hdr 0x%x\n", - baseclass,subclass,interface,header); + 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++; - } + 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; + 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; + && ((header & PCI_MULTIFUNC_DEV) == 0)) + func = 8; else - func++; + func++; return func; } @@ -748,36 +747,36 @@ remapMem(PciStructPtr pciP, int num, CARD32 size) 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; + 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; + PciWrite32(num + 0x10,val, pciP->Slot.l); + return 1; } return 0; @@ -798,7 +797,7 @@ findBIOSMap(PciStructPtr pciP, CARD32 *biosSize) 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); @@ -810,43 +809,43 @@ findBIOSMap(PciStructPtr pciP, CARD32 *biosSize) 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; + 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); + 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; + 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)) + if (pciP->bus == 0 && (pciMinMemReg > *biosSize)) return (pciMinMemReg - size) & ~(size - 1); - + return 0; } @@ -863,7 +862,7 @@ cfg1out(CARD16 addr, CARD32 val) return 0; } -int +int cfg1in(CARD16 addr, CARD32 *val) { if (addr == 0xCF8) { @@ -883,8 +882,8 @@ list_pci(void) 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); + " subclass: 0x%4.4x\n",pci->bus,pci->dev,pci->func, + pci->VendorID,pci->DeviceID,pci->BaseClass,pci->SubClass); pci = pci->next; } } @@ -893,7 +892,7 @@ 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; 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