diff options
Diffstat (limited to 'sys/arch/sparc64')
| -rw-r--r-- | sys/arch/sparc64/conf/files.sparc64 | 6 | ||||
| -rw-r--r-- | sys/arch/sparc64/dev/bbc.c | 99 |
2 files changed, 104 insertions, 1 deletions
diff --git a/sys/arch/sparc64/conf/files.sparc64 b/sys/arch/sparc64/conf/files.sparc64 index 8effce86cac..6f39ece508e 100644 --- a/sys/arch/sparc64/conf/files.sparc64 +++ b/sys/arch/sparc64/conf/files.sparc64 @@ -1,4 +1,4 @@ -# $OpenBSD: files.sparc64,v 1.81 2007/04/10 19:03:10 kettenis Exp $ +# $OpenBSD: files.sparc64,v 1.82 2007/04/10 19:05:52 kettenis Exp $ # $NetBSD: files.sparc64,v 1.50 2001/08/10 20:53:50 eeh Exp $ # maxpartitions must be first item in files.${ARCH} @@ -134,6 +134,10 @@ attach auxio at ebus with auxio_ebus attach auxio at sbus with auxio_sbus file arch/sparc64/dev/auxio.c auxio +device bbc +attach bbc at ebus +file arch/sparc64/dev/bbc.c bbc + device beeper attach beeper at ebus file arch/sparc64/dev/beeper.c beeper diff --git a/sys/arch/sparc64/dev/bbc.c b/sys/arch/sparc64/dev/bbc.c new file mode 100644 index 00000000000..88aa119d006 --- /dev/null +++ b/sys/arch/sparc64/dev/bbc.c @@ -0,0 +1,99 @@ +/* $OpenBSD: bbc.c,v 1.1 2007/04/10 19:05:52 kettenis Exp $ */ + +/* + * Copyright (c) 2007 Mark Kettenis + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/device.h> +#include <sys/malloc.h> +#include <sys/systm.h> + +#include <machine/bus.h> +#include <machine/autoconf.h> + +#include <sparc64/dev/ebusreg.h> +#include <sparc64/dev/ebusvar.h> + +/* Watchdog Action */ +#define BBC_WATCHDOG_ACTION 0x00004 + +/* Perform system reset when watchdog timer expires. */ +#define BBC_WATCHDOG_RESET 0x01 + +struct bbc_softc { + struct device sc_dv; + bus_space_tag_t sc_iot; + bus_space_handle_t sc_ioh; +}; + +int bbc_match(struct device *, void *, void *); +void bbc_attach(struct device *, struct device *, void *); + +struct cfattach bbc_ca = { + sizeof(struct bbc_softc), bbc_match, bbc_attach +}; + +struct cfdriver bbc_cd = { + NULL, "bbc", DV_DULL +}; + +int +bbc_match(struct device *parent, void *cf, void *aux) +{ + struct ebus_attach_args *ea = aux; + + if (strcmp("bbc", ea->ea_name) == 0) + return (1); + return (0); +} + +void +bbc_attach(struct device *parent, struct device *self, void *aux) +{ + struct bbc_softc *sc = (void *)self; + struct ebus_attach_args *ea = aux; + + /* Use prom address if available, otherwise map it. */ + if (ea->ea_nvaddrs) { + if (bus_space_map(ea->ea_memtag, ea->ea_vaddrs[0], 0, + BUS_SPACE_MAP_PROMADDRESS, &sc->sc_ioh)) { + printf(": can't map PROM register space\n"); + return; + } + sc->sc_iot = ea->ea_memtag; + } else if (ebus_bus_map(ea->ea_iotag, 0, + EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), + ea->ea_regs[0].size, 0, 0, &sc->sc_ioh) == 0) { + sc->sc_iot = ea->ea_iotag; + } else if (ebus_bus_map(ea->ea_memtag, 0, + EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), + ea->ea_regs[0].size, 0, 0, &sc->sc_ioh) == 0) { + sc->sc_iot = ea->ea_memtag; + } else { + printf("%s: can't map register space\n", self->dv_xname); + return; + } + + printf("\n"); + + /* + * Make sure we actually reset the system when the watchdog + * timer expires. + */ + bus_space_write_1(sc->sc_iot, sc->sc_ioh, + BBC_WATCHDOG_ACTION, BBC_WATCHDOG_RESET); +} |