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