TCIC_R_SCTRL
val = bus_space_read_1(iot, ioh, TCIC_R_SCTRL);
tcic_write_1(h, TCIC_R_SCTRL, 0); /* clear TCIC_SCTRL_ENA */
tcic_write_1(h, TCIC_R_SCTRL, TCIC_SCTRL_ENA);
tcic_write_1(h, TCIC_R_SCTRL, 0);
val = bus_space_read_1(iot, ioh, TCIC_R_SCTRL);
bus_space_write_1(iot, ioh, TCIC_R_SCTRL, 0);