L2_S_FRAME
*pa = (pte & L2_S_FRAME) | (va & L2_S_OFFSET);
size = (xscale_minidata_clean_size + L2_S_OFFSET) & L2_S_FRAME;
pgva = (vaddr_t)dst & L2_S_FRAME;
#define l2pte_pa(pte) ((pte) & L2_S_FRAME)
pa &= L2_S_FRAME;
pa = (pte & L2_S_FRAME) | (va & L2_S_OFFSET);