RBG_SOFT_RESET_OFFSET
val = ioread32(rng_base + RBG_SOFT_RESET_OFFSET);
iowrite32(val, rng_base + RBG_SOFT_RESET_OFFSET);
val = ioread32(rng_base + RBG_SOFT_RESET_OFFSET);
iowrite32(val, rng_base + RBG_SOFT_RESET_OFFSET);