PG_CCA_SHIFT
#define PG_UNCACHED (CCA_NC << PG_CCA_SHIFT)
#define PG_CACHED_NC (CCA_NONCOHERENT << PG_CCA_SHIFT)
#define PG_CACHED_CE (CCA_COHERENT_EXCL << PG_CCA_SHIFT)
#define PG_CACHED_CEW (CCA_COHERENT_EXCLWRITE << PG_CCA_SHIFT)
#define PG_CACHED (CCA_CACHED << PG_CCA_SHIFT)
#define PG_CACHEMODE (7 << PG_CCA_SHIFT)