TTB_IRGN_NC        14 arch/arm/mm/proc-v7-2level.S #define TTB_IRGN_NC	((0 << 0) | (0 << 6))
TTB_IRGN_NC        12 arch/arm/mm/proc-v7-3level.S #define TTB_IRGN_NC	(0 << 8)