apple_bce_timestamp_start
static void apple_bce_timestamp_start(struct apple_bce_softc *sc,
apple_bce_timestamp_start(sc, 1);
apple_bce_timestamp_start(sc, 0);
apple_bce_timestamp_start(sc, 0);
apple_bce_timestamp_start(sc, 0);
apple_bce_timestamp_start(sc, 0);