tivr              557 dev/sbus/magma.c 		u_int8_t tivr = bus_space_read_1(sc->sc_bustag, sc->sc_svcackth, 0);
tivr              558 dev/sbus/magma.c 		int port = tivr >> 4;
tivr              560 dev/sbus/magma.c 		if (tivr & (1<<3)) {	/* parallel port */