ioremap_phb
void __iomem *ioremap_phb(phys_addr_t paddr, unsigned long size);
EXPORT_SYMBOL_GPL(ioremap_phb);
hose->io_base_alloc = ioremap_phb(phys_page, size_page);
cf->io_virt = ioremap_phb(io.start, cf->io_size);