L4_PER_54XX_PHYS 256 arch/arm/mach-omap2/io.c .pfn = __phys_to_pfn(L4_PER_54XX_PHYS), L4_PER_54XX_PHYS 195 arch/arm/mach-omap2/iomap.h #define L4_PER_54XX_VIRT (L4_PER_54XX_PHYS + OMAP2_L4_IO_OFFSET)