KEYLARGO_GPIO_BASE
sc->sc_timebase = KEYLARGO_GPIO_BASE + 0x09;
bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 5);
bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 4);
bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0d, 0x28);
bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0e, 0x28);