static void mcclock_pnpbus_attach(device_t parent, device_t self, void *aux) { struct mc146818_softc *sc = device_private(self); struct pnpbus_dev_attach_args *pna = aux; sc->sc_dev = self; sc->sc_bst = pna->pna_iot; if (pnpbus_io_map(&pna->pna_res, 0, &sc->sc_bst, &sc->sc_bsh)) { /* XXX should we panic instead? */ aprint_error(": couldn't map clock I/O space\n"); return; } if (pna->chipid == Dallas1585) have_ds1585 = 1; sc->sc_year0 = 1900; sc->sc_mcread = mcclock_pnpbus_read; sc->sc_mcwrite = mcclock_pnpbus_write; sc->sc_flag = MC146818_BCD; mc146818_attach(sc); aprint_normal("\n"); (*sc->sc_mcwrite)(sc, MC_REGB, MC_REGB_24HR); }
void tsrtc_attach(device_t parent, device_t self, void *aux) { struct tsrtc_softc *tsc = device_private(self); struct mc146818_softc *sc = &tsc->sc_mc; struct tspld_attach_args *aa = aux; sc->sc_dev = self; tsc->sc_iot = aa->ta_iot; if (bus_space_map(tsc->sc_iot, TS7XXX_IO8_HWBASE + TS7XXX_RTCIDX, 1, 0, &tsc->sc_idxh)) panic("tsrtc_attach: couldn't map clock I/O space"); if (bus_space_map(tsc->sc_iot, TS7XXX_IO8_HWBASE + TS7XXX_RTCDAT, 1, 0, &tsc->sc_dath)) panic("tsrtc_attach: couldn't map clock I/O space"); sc->sc_year0 = 2000; sc->sc_mcread = tsrtc_read; sc->sc_mcwrite = tsrtc_write; sc->sc_flag = MC146818_BCD; mc146818_attach(sc); aprint_normal("\n"); (*sc->sc_mcwrite)(sc, MC_REGB, MC_REGB_24HR); }
static void mcclock_isa_attach(device_t parent, device_t self, void *aux) { struct mc146818_softc *sc = device_private(self); struct isa_attach_args *ia = aux; sc->sc_dev = self; sc->sc_bst = ia->ia_iot; if (bus_space_map(sc->sc_bst, ia->ia_io[0].ir_addr, ia->ia_io[0].ir_size, 0, &sc->sc_bsh)) panic("mcclock_isa_attach: couldn't map clock I/O space"); sc->sc_year0 = ALGOR_YEAR_ZERO; sc->sc_flag = MC146818_NO_CENT_ADJUST; sc->sc_mcread = mcclock_isa_read; sc->sc_mcwrite = mcclock_isa_write; sc->sc_getcent = NULL; sc->sc_setcent = NULL; /* * Turn interrupts off, just in case. Need to leave the SQWE * set, because that's the DRAM refresh signal on Rev. B boards. */ mcclock_isa_write(sc, MC_REGB, MC_REGB_SQWE | MC_REGB_BINARY | MC_REGB_24HR); mc146818_attach(sc); aprint_normal("\n"); }
void mcclock_attach(struct mc146818_softc *sc) { sc->sc_year0 = 1900 + UNIX_YEAR_OFFSET; sc->sc_flag = 0; /* BINARY, 24HR */ mc146818_attach(sc); aprint_normal("\n"); /* Turn interrupts off, just in case. */ (*sc->sc_mcwrite)(sc, MC_REGB, MC_REGB_BINARY | MC_REGB_24HR); mcclock_set_pcc_freq(sc); clockattach(mcclock_init, (void *)sc); }
void mcclock_isa_attach(device_t parent, device_t self, void *aux) { struct mc146818_softc *sc = device_private(self); struct isa_attach_args *ia = aux; sc->sc_dev = self; sc->sc_bst = ia->ia_iot; if (bus_space_map(sc->sc_bst, ia->ia_io[0].ir_addr, ia->ia_io[0].ir_size, 0, &sc->sc_bsh)) { aprint_error(": can't map registers!\n"); return; } /* * Select a 32KHz crystal, periodic interrupt every 1024 Hz. * XXX: We disable periodic interrupts, so why set a rate? */ mcclock_isa_write(sc, MC_REGA, MC_BASE_32_KHz | MC_RATE_1024_Hz); /* * 24 Hour clock, no interrupts please. */ mcclock_isa_write(sc, MC_REGB, MC_REGB_24HR); sc->sc_year0 = 1900; sc->sc_flag = 0; sc->sc_mcread = mcclock_isa_read; sc->sc_mcwrite = mcclock_isa_write; #if 0 /* * XXX: perhaps on some systems we should manage the century byte? * For now we don't worry about it. (Ugly MD code.) */ sc->sc_getcent = mcclock_isa_getcent; sc->sc_setcent = mcclock_isa_setcent; #endif mc146818_attach(sc); aprint_normal("\n"); }
void mcclock_isa_attach(device_t parent, device_t self, void *aux) { struct mc146818_softc *sc = device_private(self); struct isa_attach_args *ia = aux; sc->sc_dev = self; sc->sc_bst = ia->ia_iot; if (bus_space_map(sc->sc_bst, ia->ia_io[0].ir_addr, ia->ia_io[0].ir_size, 0, &sc->sc_bsh)) panic("mcclock_isa_attach: couldn't map clock I/O space"); sc->sc_year0 = 1980; sc->sc_mcread = mc_isa_read; sc->sc_mcwrite = mc_isa_write; mc146818_attach(sc); aprint_normal("\n"); /* Turn interrupts off, just in case. */ mc_isa_write(sc, MC_REGB, MC_REGB_BINARY | MC_REGB_24HR); }
static int rtc_attach(device_t dev) { struct timespec ts; struct mc146818_softc *sc; struct resource *res; int error, rid; sc = device_get_softc(dev); bzero(sc, sizeof(struct mc146818_softc)); rid = 0; res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); if (res == NULL) { device_printf(dev, "could not allocate resources\n"); return (ENXIO); } sc->sc_bst = rman_get_bustag(res); sc->sc_bsh = rman_get_bushandle(res); /* The TOD clock year 0 is 0. */ sc->sc_year0 = 0; /* Use default register read/write and century get/set functions. */ sc->sc_flag = MC146818_NO_CENT_ADJUST; if ((error = mc146818_attach(dev)) != 0) { device_printf(dev, "cannot attach time of day clock\n"); return (error); } if (bootverbose) { mc146818_gettime(dev, &ts); device_printf(dev, "current time: %ld.%09ld\n", (long)ts.tv_sec, ts.tv_nsec); } return (0); }
static int rtc_attach(device_t dev) { struct timespec ts; struct mc146818_softc *sc; struct resource *res; int ebus, error, rid; sc = device_get_softc(dev); mtx_init(&sc->sc_mtx, "rtc_mtx", NULL, MTX_SPIN); ebus = 0; if (strcmp(device_get_name(device_get_parent(dev)), "ebus") == 0) ebus = 1; rid = 0; res = bus_alloc_resource_any(dev, ebus ? SYS_RES_MEMORY : SYS_RES_IOPORT, &rid, RF_ACTIVE); if (res == NULL) { device_printf(dev, "cannot allocate resources\n"); error = ENXIO; goto fail_mtx; } sc->sc_bst = rman_get_bustag(res); sc->sc_bsh = rman_get_bushandle(res); sc->sc_mcread = RTC_READ; sc->sc_mcwrite = RTC_WRITE; /* The TOD clock year 0 is 0. */ sc->sc_year0 = 0; /* * For ISA use the default century get/set functions, for EBus we * provide our own versions. */ sc->sc_flag = MC146818_NO_CENT_ADJUST; if (ebus) { /* * Make sure the CR is at the default location (also used * by Solaris). */ RTC_WRITE(dev, MC_REGA, PC87317_APC); RTC_WRITE(dev, PC87317_APC_CADDR, PC87317_APC_CADDR_BANK1 | PC87317_RTC_CR); RTC_WRITE(dev, MC_REGA, PC87317_COMMON); sc->sc_getcent = pc87317_getcent; sc->sc_setcent = pc87317_setcent; } if ((error = mc146818_attach(dev)) != 0) { device_printf(dev, "cannot attach time of day clock\n"); goto fail_res; } if (bootverbose) { if (mc146818_gettime(dev, &ts) != 0) device_printf(dev, "invalid time"); else device_printf(dev, "current time: %ld.%09ld\n", (long)ts.tv_sec, ts.tv_nsec); } return (0); fail_res: bus_release_resource(dev, ebus ? SYS_RES_MEMORY : SYS_RES_IOPORT, rid, res); fail_mtx: mtx_destroy(&sc->sc_mtx); return (error); }