FIX_EARLYCON_MEM_BASE
set_fixmap_nocache(FIX_EARLYCON_MEM_BASE, up->mapbase & PAGE_MASK);
up->membase = (void __iomem *)__fix_to_virt(FIX_EARLYCON_MEM_BASE);
set_fixmap_io(FIX_EARLYCON_MEM_BASE, paddr & PAGE_MASK);
base = (void __iomem *)__fix_to_virt(FIX_EARLYCON_MEM_BASE);
__set_fixmap(FIX_EARLYCON_MEM_BASE, device->port.mapbase,