PPC44x_EARLY_DEBUG_VIRTADDR 260 arch/powerpc/kernel/udbg_16550.c return as1_readb((void __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR + reg); PPC44x_EARLY_DEBUG_VIRTADDR 265 arch/powerpc/kernel/udbg_16550.c as1_writeb(val, (void __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR + reg);