| /kernel/branches/net/drivers/bus/pci.inc |
|---|
| 114,11 → 114,20 |
| movzx ecx, bus |
| movzx edx, dev |
| stdcall PciRead32, ecx ,edx, PCI_REG_COMMAND |
| or al, PCI_BIT_MASTER ;or PCI_BIT_PIO |
| ; and al, not PCI_BIT_MMIO |
| or al, PCI_BIT_MASTER |
| stdcall PciWrite32, ecx, edx, PCI_REG_COMMAND, eax |
| ;; TODO: try to switch to PIO, and check if PIO works or not.. |
| } |
| } |
| macro adjust_latency bus, dev, min { |
| movzx ecx, bus |
| movzx edx, dev |
| stdcall PciRead8, ecx ,edx, PCI_REG_LATENCY |
| cmp al, min |
| ja @f |
| mov al, min |
| stdcall PciWrite8, ecx, edx, PCI_REG_LATENCY, eax |
| @@: |
| } |