| 0,0 → 1,63 |
|---|
| |
| |
| static Bool FindPciDevice() |
| { |
| Bool retval = FALSE; |
| u32_t bus, last_bus; |
| PCITAG tag; |
| |
| if( (last_bus = PciApi(1))==-1) |
| return retval; |
| |
| for(bus=0;bus<=last_bus;bus++) |
| { |
| u32_t devfn; |
| |
| for(devfn=0;devfn<256;devfn++) |
| { |
| hc_t *hc; |
| |
| u32_t id; |
| u16_t pcicmd; |
| u16_t devclass; |
| int i; |
| |
| devclass = PciRead16(bus,devfn, 0x0A); |
| |
| if( devclass != 0x0C03) |
| continue; |
| |
| pcicmd = PciRead16(bus,devfn, PCI_COMMAND); |
| if (! pcicmd & PCI_COMMAND_IO) |
| continue; |
| |
| hc = (hc_t*)malloc(sizeof(hc_t)); |
| memset(hc, 0, sizeof(hc_t)); |
| link_initialize(&hc->link); |
| |
| hc->pciId = PciRead32(bus,devfn, 0); |
| hc->PciTag = pciTag(bus,(devfn>>3)&0x1F,devfn&0x7); |
| |
| for (i = 0; i < 6; i++) |
| { |
| u32_t base; |
| Bool validSize; |
| |
| base = PciRead32(bus,devfn, PCI_MAP_REG_START + (i << 2)); |
| if(base) |
| { |
| if (base & PCI_MAP_IO) { |
| hc->ioBase[i] = (addr_t)PCIGETIO(base); |
| hc->memType[i] = base & PCI_MAP_IO_ATTR_MASK; |
| } else { |
| hc->memBase[i] = (u32_t)PCIGETMEMORY(base); |
| hc->memType[i] = base & PCI_MAP_MEMORY_ATTR_MASK; |
| } |
| } |
| }; |
| list_prepend(&hc->link, &hc_list); |
| retval = TRUE; |
| }; |
| }; |
| return retval; |
| }; |