RT2880_PCI_IO_BASE
.start = RT2880_PCI_IO_BASE,
.end = RT2880_PCI_IO_BASE + RT2880_PCI_IO_SIZE - 1,
io_map_base = ioremap(RT2880_PCI_IO_BASE, RT2880_PCI_IO_SIZE);
ioport_resource.start = RT2880_PCI_IO_BASE;
ioport_resource.end = RT2880_PCI_IO_BASE + RT2880_PCI_IO_SIZE - 1;
rt2880_pci_reg_write(RT2880_PCI_IO_BASE, RT2880_PCI_REG_IOBASE);