as1_writeb        265 arch/powerpc/kernel/udbg_16550.c 	as1_writeb(val, (void __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR + reg);
as1_writeb          6 arch/powerpc/platforms/44x/44x.h extern void as1_writeb(u8 data, volatile u8 __iomem *addr);