dev/sbus/uperf_sbus.c

112 	return (strcmp(sa->sa_name, "sc") == 0);
119 	struct uperf_sbus_softc *sc = (struct uperf_sbus_softc *)self;
123 	sc->sc_bus_t = sa->sa_bustag;
124 	sc->sc_usc.usc_cookie = sc;
125 	sc->sc_usc.usc_getcntsrc = uperf_sbus_getcntsrc;
126 	sc->sc_usc.usc_setcntsrc = uperf_sbus_setcntsrc;
127 	sc->sc_usc.usc_clrcnt = uperf_sbus_clrcnt;
128 	sc->sc_usc.usc_getcnt = uperf_sbus_getcnt;
129 	sc->sc_usc.usc_srcs = uperf_sbus_srcs;
136 	if (sbus_bus_map(sc->sc_bus_t, sa->sa_reg[0].sbr_slot,
138 	    &sc->sc_bus_h) != 0) {
143 	id = uperf_sbus_read_reg(sc, USC_ID);
154 	db_register_xir(uperf_sbus_xir, sc);
162 uperf_sbus_read_reg(struct uperf_sbus_softc *sc, bus_size_t r)
168 	bus_space_write_1(sc->sc_bus_t, sc->sc_bus_h, USC_ADDR, r);
169 	bus_space_barrier(sc->sc_bus_t, sc->sc_bus_h, USC_ADDR, 1,
174 	v = bus_space_read_1(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 0);
175 	bus_space_barrier(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 0, 1,
179 	v |= bus_space_read_1(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 1);
180 	bus_space_barrier(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 1, 1,
184 	v |= bus_space_read_1(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 2);
185 	bus_space_barrier(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 2, 1,
189 	v |= bus_space_read_1(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 3);
190 	bus_space_barrier(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 3, 1,
201 uperf_sbus_write_reg(struct uperf_sbus_softc *sc, bus_size_t r, u_int32_t v)
206 	bus_space_write_1(sc->sc_bus_t, sc->sc_bus_h, USC_ADDR, r);
207 	bus_space_barrier(sc->sc_bus_t, sc->sc_bus_h, USC_ADDR, 1,
212 	bus_space_write_1(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 0,
214 	bus_space_barrier(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 0, 1,
217 	bus_space_write_1(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 1,
219 	bus_space_barrier(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 1, 1,
222 	bus_space_write_1(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 2,
224 	bus_space_barrier(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 2, 1,
227 	bus_space_write_1(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 3,
229 	bus_space_barrier(sc->sc_bus_t, sc->sc_bus_h, USC_DATA + 3, 1,
237 	struct uperf_sbus_softc *sc = vsc;
245 		oldsrc = uperf_sbus_read_reg(sc, USC_PERFCTRL);
246 		uperf_sbus_write_reg(sc, USC_PERFCTRL, clr | oldsrc);
254 	struct uperf_sbus_softc *sc = vsc;
257 	src = uperf_sbus_read_reg(sc, USC_PERFCTRL);
266 	uperf_sbus_write_reg(sc, USC_PERFCTRL, src);
273 	struct uperf_sbus_softc *sc = vsc;
276 	src = uperf_sbus_read_reg(sc, USC_PERFCTRL);
287 	struct uperf_sbus_softc *sc = vsc;
290 	c0 = uperf_sbus_read_reg(sc, USC_PERF0);
291 	c1 = uperf_sbus_read_reg(sc, USC_PERFSHAD);
303 	struct uperf_sbus_softc *sc = arg;
305 	uperf_sbus_write_reg(sc, USC_CTRL, USC_CTRL_XIR);