diff options
Diffstat (limited to 'sys/arch/sgi/dev')
| -rw-r--r-- | sys/arch/sgi/dev/com_ioc.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/sys/arch/sgi/dev/com_ioc.c b/sys/arch/sgi/dev/com_ioc.c new file mode 100644 index 00000000000..eae07cb9489 --- /dev/null +++ b/sys/arch/sgi/dev/com_ioc.c @@ -0,0 +1,112 @@ +/* $OpenBSD: com_ioc.c,v 1.1 2008/04/07 22:53:55 miod Exp $ */ + +/* + * Copyright (c) 2001-2004 Opsycon AB (www.opsycon.se / www.opsycon.com) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> +#include <sys/tty.h> + +#include <machine/autoconf.h> +#include <mips64/archtype.h> +#include <machine/bus.h> +#include <machine/intr.h> + +#include <dev/ic/comreg.h> +#include <dev/ic/comvar.h> +#include <dev/ic/ns16550reg.h> + +#include <sgi/pci/iocvar.h> + +int com_ioc_probe(struct device *, void *, void *); +void com_ioc_attach(struct device *, struct device *, void *); + +struct cfattach com_ioc_ca = { + sizeof(struct com_softc), com_ioc_probe, com_ioc_attach +}; + +int +com_ioc_probe(struct device *parent, void *match, void *aux) +{ + struct ioc_attach_args *iaa = aux; + bus_space_tag_t iot = iaa->iaa_memt; + bus_space_handle_t ioh; + int rv = 0, console; + + console = iot->bus_base + iaa->iaa_base == + sys_config.cons_iot->bus_base + comconsaddr; + + /* if it's in use as console, it's there. */ + if (!(console && !comconsattached)) { + bus_space_map(iot, iaa->iaa_base, COM_NPORTS, 0, &ioh); + rv = comprobe1(iot, ioh); + } else + rv = 1; + + return rv; +} + +void +com_ioc_attach(struct device *parent, struct device *self, void *aux) +{ + struct com_softc *sc = (void *)self; + struct ioc_attach_args *iaa = aux; + bus_space_handle_t ioh; + int console; + + console = iaa->iaa_memt->bus_base + iaa->iaa_base == + sys_config.cons_iot->bus_base + comconsaddr; + + sc->sc_hwflags = 0; + sc->sc_swflags = 0; + sc->sc_iobase = iaa->iaa_base; + sc->sc_frequency = 22000000 / 3; + sc->sc_iot = iaa->iaa_memt; + + /* if it's in use as console, it's there. */ + if (!(console && !comconsattached)) { + if (bus_space_map(sc->sc_iot, sc->sc_iobase, COM_NPORTS, 0, + &ioh)) { + printf(": can't map registers\n"); + return; + } + } else { + ioh = comconsioh; + if (comcnattach(sc->sc_iot, sc->sc_iobase, TTYDEF_SPEED, + sc->sc_frequency, (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8)) + panic("can't setup serial console"); + } + + sc->sc_ioh = ioh; + + com_attach_subr(sc); + +#ifdef notyet + ioc_intr_establish(NULL, iaa->iaa_intr, IST_EDGE, IPL_TTY, + comintr, (void *)sc, sc->sc_dev.dv_xname); +#endif +} |