t_sh7706lan_iomem_unmap
t_sh7706lan_iomem_unmap(v, bsh, size);
.bs_unmap = t_sh7706lan_iomem_unmap,
.bs_unmap = t_sh7706lan_iomem_unmap,
void t_sh7706lan_iomem_unmap(void *v, bus_space_handle_t bsh, bus_size_t size);