PCI1760_OMB_REG
outb(val & 0xff, dev->iobase + PCI1760_OMB_REG(0));
outb((val >> 8) & 0xff, dev->iobase + PCI1760_OMB_REG(1));
outb(cmd, dev->iobase + PCI1760_OMB_REG(2));
outb(0, dev->iobase + PCI1760_OMB_REG(3));