-
- for (i = 11; i < 32; i++) {
- if ((val & (1 << i)) != 0)
- break;
- }
-#if 0
- s->config_reg = 0x80000000 | (1 << 16) | (val & 0x7FC) | (i << 11);
-#else
- s->config_reg = 0x80000000 | (0 << 16) | (val & 0x7FC) | (i << 11);
-#endif
-}
-
-static uint32_t pci_unin_main_config_readl (void *opaque,
- target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
- int devfn;
-
- devfn = (s->config_reg >> 8) & 0xFF;
- val = (1 << (devfn >> 3)) | ((devfn & 0x07) << 8) | (s->config_reg & 0xFC);
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap32(val);
-#endif
-
- return val;
-}
-
-static CPUWriteMemoryFunc *pci_unin_main_config_write[] = {
- &pci_unin_main_config_writel,
- &pci_unin_main_config_writel,
- &pci_unin_main_config_writel,
-};
-
-static CPUReadMemoryFunc *pci_unin_main_config_read[] = {
- &pci_unin_main_config_readl,
- &pci_unin_main_config_readl,
- &pci_unin_main_config_readl,
-};
-
-static void pci_unin_main_writeb (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
- pci_data_write(s, addr & 7, val, 1);
-}
-
-static void pci_unin_main_writew (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap16(val);
-#endif
- pci_data_write(s, addr & 7, val, 2);
-}
-
-static void pci_unin_main_writel (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap32(val);
-#endif
- pci_data_write(s, addr & 7, val, 4);
-}
-
-static uint32_t pci_unin_main_readb (void *opaque, target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
-
- val = pci_data_read(s, addr & 7, 1);
-
- return val;
-}
-
-static uint32_t pci_unin_main_readw (void *opaque, target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
-
- val = pci_data_read(s, addr & 7, 2);
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap16(val);
-#endif
-
- return val;
-}
-
-static uint32_t pci_unin_main_readl (void *opaque, target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
-
- val = pci_data_read(s, addr, 4);
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap32(val);
-#endif
-
- return val;
-}
-
-static CPUWriteMemoryFunc *pci_unin_main_write[] = {
- &pci_unin_main_writeb,
- &pci_unin_main_writew,
- &pci_unin_main_writel,
-};
-
-static CPUReadMemoryFunc *pci_unin_main_read[] = {
- &pci_unin_main_readb,
- &pci_unin_main_readw,
- &pci_unin_main_readl,
-};
-
-#if 0
-
-static void pci_unin_config_writel (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
-
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap32(val);
-#endif
- s->config_reg = 0x80000000 | (val & ~0x00000001);
-}
-
-static uint32_t pci_unin_config_readl (void *opaque,
- target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
-
- val = (s->config_reg | 0x00000001) & ~0x80000000;
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap32(val);
-#endif
-
- return val;
-}
-
-static CPUWriteMemoryFunc *pci_unin_config_write[] = {
- &pci_unin_config_writel,
- &pci_unin_config_writel,
- &pci_unin_config_writel,
-};
-
-static CPUReadMemoryFunc *pci_unin_config_read[] = {
- &pci_unin_config_readl,
- &pci_unin_config_readl,
- &pci_unin_config_readl,
-};
-
-static void pci_unin_writeb (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
- pci_data_write(s, addr & 3, val, 1);
-}
-
-static void pci_unin_writew (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap16(val);
-#endif
- pci_data_write(s, addr & 3, val, 2);
-}
-
-static void pci_unin_writel (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap32(val);
-#endif
- pci_data_write(s, addr & 3, val, 4);
-}
-
-static uint32_t pci_unin_readb (void *opaque, target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
-
- val = pci_data_read(s, addr & 3, 1);
-
- return val;
-}
-
-static uint32_t pci_unin_readw (void *opaque, target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
-
- val = pci_data_read(s, addr & 3, 2);
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap16(val);
-#endif
-
- return val;
-}
-
-static uint32_t pci_unin_readl (void *opaque, target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
-
- val = pci_data_read(s, addr & 3, 4);
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap32(val);
-#endif
-
- return val;
-}
-
-static CPUWriteMemoryFunc *pci_unin_write[] = {
- &pci_unin_writeb,
- &pci_unin_writew,
- &pci_unin_writel,
-};
-
-static CPUReadMemoryFunc *pci_unin_read[] = {
- &pci_unin_readb,
- &pci_unin_readw,
- &pci_unin_readl,
-};
-#endif
-
-PCIBus *pci_pmac_init(void)
-{
- PCIBus *s;
- PCIDevice *d;
- int pci_mem_config, pci_mem_data;
-
- /* Use values found on a real PowerMac */
- /* Uninorth main bus */
- s = pci_register_bus();
- s->set_irq = pci_set_irq_simple;
-
- pci_mem_config = cpu_register_io_memory(0, pci_unin_main_config_read,
- pci_unin_main_config_write, s);
- pci_mem_data = cpu_register_io_memory(0, pci_unin_main_read,
- pci_unin_main_write, s);
- cpu_register_physical_memory(0xf2800000, 0x1000, pci_mem_config);
- cpu_register_physical_memory(0xf2c00000, 0x1000, pci_mem_data);
- s->devfn_min = 11 << 3;
- d = pci_register_device(s, "Uni-north main", sizeof(PCIDevice),
- 11 << 3, NULL, NULL);
- d->config[0x00] = 0x6b; // vendor_id : Apple
- d->config[0x01] = 0x10;
- d->config[0x02] = 0x1F; // device_id
- d->config[0x03] = 0x00;
- d->config[0x08] = 0x00; // revision
- d->config[0x0A] = 0x00; // class_sub = pci host
- d->config[0x0B] = 0x06; // class_base = PCI_bridge
- d->config[0x0C] = 0x08; // cache_line_size
- d->config[0x0D] = 0x10; // latency_timer
- d->config[0x0E] = 0x00; // header_type
- d->config[0x34] = 0x00; // capabilities_pointer
-
-#if 0 // XXX: not activated as PPC BIOS doesn't handle mutiple buses properly
- /* pci-to-pci bridge */
- d = pci_register_device("Uni-north bridge", sizeof(PCIDevice), 0, 13 << 3,
- NULL, NULL);
- d->config[0x00] = 0x11; // vendor_id : TI
- d->config[0x01] = 0x10;
- d->config[0x02] = 0x26; // device_id
- d->config[0x03] = 0x00;
- d->config[0x08] = 0x05; // revision
- d->config[0x0A] = 0x04; // class_sub = pci2pci
- d->config[0x0B] = 0x06; // class_base = PCI_bridge
- d->config[0x0C] = 0x08; // cache_line_size
- d->config[0x0D] = 0x20; // latency_timer
- d->config[0x0E] = 0x01; // header_type
-
- d->config[0x18] = 0x01; // primary_bus
- d->config[0x19] = 0x02; // secondary_bus
- d->config[0x1A] = 0x02; // subordinate_bus
- d->config[0x1B] = 0x20; // secondary_latency_timer
- d->config[0x1C] = 0x11; // io_base
- d->config[0x1D] = 0x01; // io_limit
- d->config[0x20] = 0x00; // memory_base
- d->config[0x21] = 0x80;
- d->config[0x22] = 0x00; // memory_limit
- d->config[0x23] = 0x80;
- d->config[0x24] = 0x01; // prefetchable_memory_base
- d->config[0x25] = 0x80;
- d->config[0x26] = 0xF1; // prefectchable_memory_limit
- d->config[0x27] = 0x7F;
- // d->config[0x34] = 0xdc // capabilities_pointer
-#endif
-#if 0 // XXX: not needed for now
- /* Uninorth AGP bus */
- s = &pci_bridge[1];
- pci_mem_config = cpu_register_io_memory(0, pci_unin_config_read,
- pci_unin_config_write, s);
- pci_mem_data = cpu_register_io_memory(0, pci_unin_read,
- pci_unin_write, s);
- cpu_register_physical_memory(0xf0800000, 0x1000, pci_mem_config);
- cpu_register_physical_memory(0xf0c00000, 0x1000, pci_mem_data);
-
- d = pci_register_device("Uni-north AGP", sizeof(PCIDevice), 0, 11 << 3,
- NULL, NULL);
- d->config[0x00] = 0x6b; // vendor_id : Apple
- d->config[0x01] = 0x10;
- d->config[0x02] = 0x20; // device_id
- d->config[0x03] = 0x00;
- d->config[0x08] = 0x00; // revision
- d->config[0x0A] = 0x00; // class_sub = pci host
- d->config[0x0B] = 0x06; // class_base = PCI_bridge
- d->config[0x0C] = 0x08; // cache_line_size
- d->config[0x0D] = 0x10; // latency_timer
- d->config[0x0E] = 0x00; // header_type
- // d->config[0x34] = 0x80; // capabilities_pointer
-#endif
-
-#if 0 // XXX: not needed for now
- /* Uninorth internal bus */
- s = &pci_bridge[2];
- pci_mem_config = cpu_register_io_memory(0, pci_unin_config_read,
- pci_unin_config_write, s);
- pci_mem_data = cpu_register_io_memory(0, pci_unin_read,
- pci_unin_write, s);
- cpu_register_physical_memory(0xf4800000, 0x1000, pci_mem_config);
- cpu_register_physical_memory(0xf4c00000, 0x1000, pci_mem_data);
-
- d = pci_register_device("Uni-north internal", sizeof(PCIDevice),
- 3, 11 << 3, NULL, NULL);
- d->config[0x00] = 0x6b; // vendor_id : Apple
- d->config[0x01] = 0x10;
- d->config[0x02] = 0x1E; // device_id
- d->config[0x03] = 0x00;
- d->config[0x08] = 0x00; // revision
- d->config[0x0A] = 0x00; // class_sub = pci host
- d->config[0x0B] = 0x06; // class_base = PCI_bridge
- d->config[0x0C] = 0x08; // cache_line_size
- d->config[0x0D] = 0x10; // latency_timer
- d->config[0x0E] = 0x00; // header_type
- d->config[0x34] = 0x00; // capabilities_pointer
-#endif
- return s;
-}
-
-/* Ultrasparc APB PCI host */
-static void pci_apb_config_writel (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
- int i;
-
- for (i = 11; i < 32; i++) {
- if ((val & (1 << i)) != 0)
- break;
- }
- s->config_reg = 0x80000000 | (1 << 16) | (val & 0x7FC) | (i << 11);
-}
-
-static uint32_t pci_apb_config_readl (void *opaque,
- target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
- int devfn;
-
- devfn = (s->config_reg >> 8) & 0xFF;
- val = (1 << (devfn >> 3)) | ((devfn & 0x07) << 8) | (s->config_reg & 0xFC);
- return val;
-}
-
-static CPUWriteMemoryFunc *pci_apb_config_write[] = {
- &pci_apb_config_writel,
- &pci_apb_config_writel,
- &pci_apb_config_writel,
-};
-
-static CPUReadMemoryFunc *pci_apb_config_read[] = {
- &pci_apb_config_readl,
- &pci_apb_config_readl,
- &pci_apb_config_readl,
-};
-
-static void apb_config_writel (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- //PCIBus *s = opaque;
-
- switch (addr & 0x3f) {
- case 0x00: // Control/Status
- case 0x10: // AFSR
- case 0x18: // AFAR
- case 0x20: // Diagnostic
- case 0x28: // Target address space
- // XXX
- default:
- break;
- }
-}
-
-static uint32_t apb_config_readl (void *opaque,
- target_phys_addr_t addr)
-{
- //PCIBus *s = opaque;
- uint32_t val;
-
- switch (addr & 0x3f) {
- case 0x00: // Control/Status
- case 0x10: // AFSR
- case 0x18: // AFAR
- case 0x20: // Diagnostic
- case 0x28: // Target address space
- // XXX
- default:
- val = 0;
- break;
- }
- return val;
-}
-
-static CPUWriteMemoryFunc *apb_config_write[] = {
- &apb_config_writel,
- &apb_config_writel,
- &apb_config_writel,
-};
-
-static CPUReadMemoryFunc *apb_config_read[] = {
- &apb_config_readl,
- &apb_config_readl,
- &apb_config_readl,
-};
-
-static void pci_apb_writeb (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
-
- pci_data_write(s, addr & 7, val, 1);
-}
-
-static void pci_apb_writew (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
-
- pci_data_write(s, addr & 7, val, 2);
-}
-
-static void pci_apb_writel (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- PCIBus *s = opaque;
-
- pci_data_write(s, addr & 7, val, 4);
-}
-
-static uint32_t pci_apb_readb (void *opaque, target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
-
- val = pci_data_read(s, addr & 7, 1);
- return val;
-}
-
-static uint32_t pci_apb_readw (void *opaque, target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
-
- val = pci_data_read(s, addr & 7, 2);
- return val;
-}
-
-static uint32_t pci_apb_readl (void *opaque, target_phys_addr_t addr)
-{
- PCIBus *s = opaque;
- uint32_t val;
-
- val = pci_data_read(s, addr, 4);
- return val;
-}
-
-static CPUWriteMemoryFunc *pci_apb_write[] = {
- &pci_apb_writeb,
- &pci_apb_writew,
- &pci_apb_writel,
-};
-
-static CPUReadMemoryFunc *pci_apb_read[] = {
- &pci_apb_readb,
- &pci_apb_readw,
- &pci_apb_readl,
-};
-
-static void pci_apb_iowriteb (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- cpu_outb(NULL, addr & 0xffff, val);
-}
-
-static void pci_apb_iowritew (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- cpu_outw(NULL, addr & 0xffff, val);
-}
-
-static void pci_apb_iowritel (void *opaque, target_phys_addr_t addr,
- uint32_t val)
-{
- cpu_outl(NULL, addr & 0xffff, val);
-}
-
-static uint32_t pci_apb_ioreadb (void *opaque, target_phys_addr_t addr)
-{
- uint32_t val;
-
- val = cpu_inb(NULL, addr & 0xffff);
- return val;
-}
-
-static uint32_t pci_apb_ioreadw (void *opaque, target_phys_addr_t addr)
-{
- uint32_t val;
-
- val = cpu_inw(NULL, addr & 0xffff);
- return val;
-}
-
-static uint32_t pci_apb_ioreadl (void *opaque, target_phys_addr_t addr)
-{
- uint32_t val;
-
- val = cpu_inl(NULL, addr & 0xffff);
- return val;
-}
-
-static CPUWriteMemoryFunc *pci_apb_iowrite[] = {
- &pci_apb_iowriteb,
- &pci_apb_iowritew,
- &pci_apb_iowritel,
-};
-
-static CPUReadMemoryFunc *pci_apb_ioread[] = {
- &pci_apb_ioreadb,
- &pci_apb_ioreadw,
- &pci_apb_ioreadl,
-};
-
-PCIBus *pci_apb_init(target_ulong special_base, target_ulong mem_base)
-{
- PCIBus *s;
- PCIDevice *d;
- int pci_mem_config, pci_mem_data, apb_config, pci_ioport;
-
- /* Ultrasparc APB main bus */
- s = pci_register_bus();
- s->set_irq = pci_set_irq_simple;
-
- pci_mem_config = cpu_register_io_memory(0, pci_apb_config_read,
- pci_apb_config_write, s);
- apb_config = cpu_register_io_memory(0, apb_config_read,
- apb_config_write, s);
- pci_mem_data = cpu_register_io_memory(0, pci_apb_read,
- pci_apb_write, s);
- pci_ioport = cpu_register_io_memory(0, pci_apb_ioread,
- pci_apb_iowrite, s);
-
- cpu_register_physical_memory(special_base + 0x2000ULL, 0x40, apb_config);
- cpu_register_physical_memory(special_base + 0x1000000ULL, 0x10, pci_mem_config);
- cpu_register_physical_memory(special_base + 0x2000000ULL, 0x10000, pci_ioport);
- cpu_register_physical_memory(mem_base, 0x10000000, pci_mem_data); // XXX size should be 4G-prom
-
- d = pci_register_device(s, "Advanced PCI Bus", sizeof(PCIDevice),
- -1, NULL, NULL);
- d->config[0x00] = 0x8e; // vendor_id : Sun
- d->config[0x01] = 0x10;
- d->config[0x02] = 0x00; // device_id
- d->config[0x03] = 0xa0;
- d->config[0x04] = 0x06; // command = bus master, pci mem
- d->config[0x05] = 0x00;
- d->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
- d->config[0x07] = 0x03; // status = medium devsel
- d->config[0x08] = 0x00; // revision
- d->config[0x09] = 0x00; // programming i/f
- d->config[0x0A] = 0x00; // class_sub = pci host
- d->config[0x0B] = 0x06; // class_base = PCI_bridge
- d->config[0x0D] = 0x10; // latency_timer
- d->config[0x0E] = 0x00; // header_type
- return s;
-}
-
-/***********************************************************/
-/* generic PCI irq support */
-
-/* 0 <= irq_num <= 3. level must be 0 or 1 */
-void pci_set_irq(PCIDevice *pci_dev, int irq_num, int level)
-{
- PCIBus *bus = pci_dev->bus;
- bus->set_irq(pci_dev, irq_num, level);
-}
-
-/***********************************************************/
-/* monitor info on PCI */
-
-static void pci_info_device(PCIDevice *d)
-{
- int i, class;
- PCIIORegion *r;
-
- term_printf(" Bus %2d, device %3d, function %d:\n",
- d->bus->bus_num, d->devfn >> 3, d->devfn & 7);
- class = le16_to_cpu(*((uint16_t *)(d->config + PCI_CLASS_DEVICE)));
- term_printf(" ");
- switch(class) {
- case 0x0101:
- term_printf("IDE controller");
- break;
- case 0x0200:
- term_printf("Ethernet controller");
- break;
- case 0x0300:
- term_printf("VGA controller");
- break;
- default:
- term_printf("Class %04x", class);
- break;
- }
- term_printf(": PCI device %04x:%04x\n",
- le16_to_cpu(*((uint16_t *)(d->config + PCI_VENDOR_ID))),
- le16_to_cpu(*((uint16_t *)(d->config + PCI_DEVICE_ID))));
-
- if (d->config[PCI_INTERRUPT_PIN] != 0) {
- term_printf(" IRQ %d.\n", d->config[PCI_INTERRUPT_LINE]);
- }
- for(i = 0;i < PCI_NUM_REGIONS; i++) {
- r = &d->io_regions[i];
- if (r->size != 0) {
- term_printf(" BAR%d: ", i);
- if (r->type & PCI_ADDRESS_SPACE_IO) {
- term_printf("I/O at 0x%04x [0x%04x].\n",
- r->addr, r->addr + r->size - 1);
- } else {
- term_printf("32 bit memory at 0x%08x [0x%08x].\n",
- r->addr, r->addr + r->size - 1);
- }
- }
- }
-}
-
-void pci_info(void)
-{
- PCIBus *bus = first_bus;
- PCIDevice *d;
- int devfn;
-
- if (bus) {
- for(devfn = 0; devfn < 256; devfn++) {
- d = bus->devices[devfn];
- if (d)
- pci_info_device(d);
- }
- }
-}
-
-/***********************************************************/
-/* XXX: the following should be moved to the PC BIOS */
-
-static __attribute__((unused)) uint32_t isa_inb(uint32_t addr)
-{
- return cpu_inb(NULL, addr);
-}
-
-static void isa_outb(uint32_t val, uint32_t addr)
-{
- cpu_outb(NULL, addr, val);
-}
-
-static __attribute__((unused)) uint32_t isa_inw(uint32_t addr)
-{
- return cpu_inw(NULL, addr);
-}
-
-static __attribute__((unused)) void isa_outw(uint32_t val, uint32_t addr)
-{
- cpu_outw(NULL, addr, val);
-}
-
-static __attribute__((unused)) uint32_t isa_inl(uint32_t addr)
-{
- return cpu_inl(NULL, addr);
-}
-
-static __attribute__((unused)) void isa_outl(uint32_t val, uint32_t addr)
-{
- cpu_outl(NULL, addr, val);
-}
-
-static void pci_config_writel(PCIDevice *d, uint32_t addr, uint32_t val)
-{
- PCIBus *s = d->bus;
- s->config_reg = 0x80000000 | (s->bus_num << 16) |
- (d->devfn << 8) | addr;
- pci_data_write(s, 0, val, 4);
-}
-
-static void pci_config_writew(PCIDevice *d, uint32_t addr, uint32_t val)
-{
- PCIBus *s = d->bus;
- s->config_reg = 0x80000000 | (s->bus_num << 16) |
- (d->devfn << 8) | (addr & ~3);
- pci_data_write(s, addr & 3, val, 2);
-}
-
-static void pci_config_writeb(PCIDevice *d, uint32_t addr, uint32_t val)
-{
- PCIBus *s = d->bus;
- s->config_reg = 0x80000000 | (s->bus_num << 16) |
- (d->devfn << 8) | (addr & ~3);
- pci_data_write(s, addr & 3, val, 1);
-}
-
-static __attribute__((unused)) uint32_t pci_config_readl(PCIDevice *d, uint32_t addr)
-{
- PCIBus *s = d->bus;
- s->config_reg = 0x80000000 | (s->bus_num << 16) |
- (d->devfn << 8) | addr;
- return pci_data_read(s, 0, 4);
-}
-
-static uint32_t pci_config_readw(PCIDevice *d, uint32_t addr)
-{
- PCIBus *s = d->bus;
- s->config_reg = 0x80000000 | (s->bus_num << 16) |
- (d->devfn << 8) | (addr & ~3);
- return pci_data_read(s, addr & 3, 2);
-}
-
-static uint32_t pci_config_readb(PCIDevice *d, uint32_t addr)
-{
- PCIBus *s = d->bus;
- s->config_reg = 0x80000000 | (s->bus_num << 16) |
- (d->devfn << 8) | (addr & ~3);
- return pci_data_read(s, addr & 3, 1);
-}
-
-static uint32_t pci_bios_io_addr;
-static uint32_t pci_bios_mem_addr;
-/* host irqs corresponding to PCI irqs A-D */
-static uint8_t pci_irqs[4] = { 11, 9, 11, 9 };
-
-static void pci_set_io_region_addr(PCIDevice *d, int region_num, uint32_t addr)
-{
- PCIIORegion *r;
- uint16_t cmd;
- uint32_t ofs;
-
- if ( region_num == PCI_ROM_SLOT ) {
- ofs = 0x30;
- }else{
- ofs = 0x10 + region_num * 4;
- }
-
- pci_config_writel(d, ofs, addr);
- r = &d->io_regions[region_num];
-
- /* enable memory mappings */
- cmd = pci_config_readw(d, PCI_COMMAND);
- if ( region_num == PCI_ROM_SLOT )
- cmd |= 2;
- else if (r->type & PCI_ADDRESS_SPACE_IO)
- cmd |= 1;
- else
- cmd |= 2;
- pci_config_writew(d, PCI_COMMAND, cmd);
-}
-
-static void pci_bios_init_device(PCIDevice *d)
-{
- int class;
- PCIIORegion *r;
- uint32_t *paddr;
- int i, pin, pic_irq, vendor_id, device_id;
-
- class = pci_config_readw(d, PCI_CLASS_DEVICE);
- vendor_id = pci_config_readw(d, PCI_VENDOR_ID);
- device_id = pci_config_readw(d, PCI_DEVICE_ID);
- switch(class) {
- case 0x0101:
- if (vendor_id == 0x8086 && device_id == 0x7010) {
- /* PIIX3 IDE */
- pci_config_writew(d, 0x40, 0x8000); // enable IDE0
- pci_config_writew(d, 0x42, 0x8000); // enable IDE1
- goto default_map;
- } else {
- /* IDE: we map it as in ISA mode */
- pci_set_io_region_addr(d, 0, 0x1f0);
- pci_set_io_region_addr(d, 1, 0x3f4);
- pci_set_io_region_addr(d, 2, 0x170);
- pci_set_io_region_addr(d, 3, 0x374);
- }
- break;
- case 0x0300:
- if (vendor_id != 0x1234)
- goto default_map;
- /* VGA: map frame buffer to default Bochs VBE address */
- pci_set_io_region_addr(d, 0, 0xE0000000);
- break;
- case 0x0800:
- /* PIC */
- vendor_id = pci_config_readw(d, PCI_VENDOR_ID);
- device_id = pci_config_readw(d, PCI_DEVICE_ID);
- if (vendor_id == 0x1014) {
- /* IBM */
- if (device_id == 0x0046 || device_id == 0xFFFF) {
- /* MPIC & MPIC2 */
- pci_set_io_region_addr(d, 0, 0x80800000 + 0x00040000);
- }
- }
- break;
- case 0xff00:
- if (vendor_id == 0x0106b &&
- (device_id == 0x0017 || device_id == 0x0022)) {
- /* macio bridge */
- pci_set_io_region_addr(d, 0, 0x80800000);
- }
- break;
- default:
- default_map:
- /* default memory mappings */
- for(i = 0; i < PCI_NUM_REGIONS; i++) {
- r = &d->io_regions[i];
- if (r->size) {
- if (r->type & PCI_ADDRESS_SPACE_IO)
- paddr = &pci_bios_io_addr;
- else
- paddr = &pci_bios_mem_addr;
- *paddr = (*paddr + r->size - 1) & ~(r->size - 1);
- pci_set_io_region_addr(d, i, *paddr);
- *paddr += r->size;
- }
- }
- break;
- }
-
- /* map the interrupt */
- pin = pci_config_readb(d, PCI_INTERRUPT_PIN);
- if (pin != 0) {
- pin = pci_slot_get_pirq(d, pin - 1);
- pic_irq = pci_irqs[pin];
- pci_config_writeb(d, PCI_INTERRUPT_LINE, pic_irq);
- }
-}
-
-/*
- * This function initializes the PCI devices as a normal PCI BIOS
- * would do. It is provided just in case the BIOS has no support for
- * PCI.
- */
-void pci_bios_init(void)
-{
- PCIBus *bus;
- PCIDevice *d;
- int devfn, i, irq;
- uint8_t elcr[2];
-
- pci_bios_io_addr = 0xc000;
- pci_bios_mem_addr = 0xf0000000;
-
- /* activate IRQ mappings */
- elcr[0] = 0x00;
- elcr[1] = 0x00;
- for(i = 0; i < 4; i++) {
- irq = pci_irqs[i];
- /* set to trigger level */
- elcr[irq >> 3] |= (1 << (irq & 7));
- /* activate irq remapping in PIIX */
- pci_config_writeb((PCIDevice *)piix3_state, 0x60 + i, irq);
- }
- isa_outb(elcr[0], 0x4d0);
- isa_outb(elcr[1], 0x4d1);
-
- bus = first_bus;
- if (bus) {
- for(devfn = 0; devfn < 256; devfn++) {
- d = bus->devices[devfn];
- if (d)
- pci_bios_init_device(d);
- }