static void
ingenic_rng_attach(device_t parent, device_t self, void *aux)
{
struct ingenic_rng_softc * const sc = device_private(self);
const struct apbus_attach_args * const aa = aux;
bus_addr_t addr = aa->aa_addr;
int error;
sc->sc_dev = self;
sc->sc_bst = aa->aa_bst;
if (addr == 0)
addr = JZ_RNG;
error = bus_space_map(aa->aa_bst, addr, 4, 0, &sc->sc_bsh);
if (error) {
aprint_error_dev(self,
"can't map registers for %s: %d\n", aa->aa_name, error);
return;
}
mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_VM);
aprint_naive(": Ingenic random number generator\n");
aprint_normal(": Ingenic random number generator\n");
rndsource_setcb(&sc->sc_rndsource, ingenic_rng_get, sc);
rnd_attach_source(&sc->sc_rndsource, device_xname(self), RND_TYPE_RNG,
RND_FLAG_COLLECT_VALUE|RND_FLAG_HASCB);
ingenic_rng_get(RND_POOLBITS / NBBY, sc);
}
static void
ingenic_rng_get_intr(void *priv)
{
struct ingenic_rng_softc * const sc = priv;
ingenic_rng_get(sc);
}
