Put a bus's ranges in the bus space tag, and make sparc_bus_map()
perform the translation and recursion if t->ranges != NULL. Make sbus, cpuunit, and bootbus inherit the parent's map/mmap routines, and delete the now-unused mapping functions. Update all places where bus space tags are statically allocated.
This commit is contained in:
thorpej
parent
9ca1f94f72
commit
a9f285b0ac
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@ -1,4 +1,4 @@
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/* $NetBSD: bootbus.c,v 1.2 2002/08/25 16:05:41 thorpej Exp $ */
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/* $NetBSD: bootbus.c,v 1.3 2002/08/25 17:54:57 thorpej Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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@ -59,9 +59,6 @@ struct bootbus_softc {
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bus_space_tag_t sc_st; /* ours */
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bus_space_tag_t sc_bustag; /* passed on to children */
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struct openprom_range *sc_range; /* our address ranges */
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int sc_nrange;
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};
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static int bootbus_match(struct device *, struct cfdata *, void *);
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@ -74,13 +71,6 @@ struct cfattach bootbus_ca = {
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static int bootbus_submatch(struct device *, struct cfdata *, void *);
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static int bootbus_print(void *, const char *);
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static int bootbus_bus_map(bus_space_tag_t, bus_addr_t, size_t, int,
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vaddr_t, bus_space_handle_t *);
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static paddr_t bootbus_bus_mmap(bus_space_tag_t, bus_addr_t, off_t,
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int, int);
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static void *bootbus_intr_establish(bus_space_tag_t, int, int, int,
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int (*)(void *), void *);
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static int bootbus_setup_attach_args(struct bootbus_softc *, bus_space_tag_t,
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int, struct bootbus_attach_args *);
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static void bootbus_destroy_attach_args(struct bootbus_attach_args *);
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@ -115,16 +105,15 @@ bootbus_attach(struct device *parent, struct device *self, void *aux)
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M_WAITOK|M_ZERO);
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sc->sc_bustag->cookie = sc;
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sc->sc_bustag->parent = sc->sc_st;
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sc->sc_bustag->sparc_bus_map = bootbus_bus_map;
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sc->sc_bustag->sparc_bus_mmap = bootbus_bus_mmap;
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sc->sc_bustag->sparc_intr_establish = bootbus_intr_establish;
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sc->sc_bustag->sparc_bus_map = sc->sc_st->sparc_bus_map;
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sc->sc_bustag->sparc_bus_mmap = sc->sc_st->sparc_bus_mmap;
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/*
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* Collect address translations from the OBP.
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*/
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error = PROM_getprop(sc->sc_node, "ranges",
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sizeof(struct openprom_range), &sc->sc_nrange,
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(void **) &sc->sc_range);
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sizeof(struct openprom_range), &sc->sc_bustag->nranges,
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(void **) &sc->sc_bustag->ranges);
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if (error) {
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printf("%s: error %d getting \"ranges\" property\n",
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sc->sc_dev.dv_xname, error);
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@ -233,52 +222,3 @@ bootbus_destroy_attach_args(struct bootbus_attach_args *baa)
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if (baa->ba_promvaddrs != NULL)
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free(baa->ba_promvaddrs, M_DEVBUF);
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}
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static int
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bootbus_bus_map(bus_space_tag_t t, bus_addr_t ba, bus_size_t size,
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int flags, vaddr_t va, bus_space_handle_t *hp)
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{
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struct bootbus_softc *sc = t->cookie;
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bus_addr_t addr;
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int error;
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error = bus_translate_address_generic(sc->sc_range, sc->sc_nrange,
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ba, &addr);
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if (error)
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return (error);
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return (bus_space_map2(sc->sc_st, addr, size, flags, va, hp));
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}
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static paddr_t
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bootbus_bus_mmap(bus_space_tag_t t, bus_addr_t ba, off_t off, int prot,
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int flags)
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{
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struct bootbus_softc *sc = t->cookie;
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bus_addr_t addr;
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int error;
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error = bus_translate_address_generic(sc->sc_range, sc->sc_nrange,
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ba, &addr);
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if (error)
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return (-1);
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return (bus_space_mmap(sc->sc_st, addr, off, prot, flags));
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}
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static void *
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bootbus_intr_establish(bus_space_tag_t t, int pil, int level, int flags,
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int (*handler)(void *), void *arg)
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{
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struct intrhand *ih;
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ih = malloc(sizeof(*ih), M_DEVBUF, M_NOWAIT);
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if (ih == NULL)
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return (NULL);
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ih->ih_fun = handler;
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ih->ih_arg = arg;
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if ((flags & BUS_INTR_ESTABLISH_FASTTRAP) != 0)
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intr_fasttrap(pil, (void (*)__P((void)))handler);
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else
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intr_establish(pil, ih);
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return (ih);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: obio.c,v 1.52 2002/04/11 11:11:23 pk Exp $ */
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/* $NetBSD: obio.c,v 1.53 2002/08/25 17:54:58 thorpej Exp $ */
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/*-
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* Copyright (c) 1997,1998 The NetBSD Foundation, Inc.
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@ -102,6 +102,8 @@ static int _obio_bus_map __P((bus_space_tag_t, bus_addr_t,
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static struct sparc_bus_space_tag obio_space_tag = {
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NULL, /* cookie */
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NULL, /* parent bus tag */
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NULL, /* ranges */
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0, /* nranges */
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_obio_bus_map, /* bus_space_map */
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NULL, /* bus_space_unmap */
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NULL, /* bus_space_subregion */
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@ -1,4 +1,4 @@
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/* $NetBSD: sbus.c,v 1.47 2002/08/25 16:05:41 thorpej Exp $ */
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/* $NetBSD: sbus.c,v 1.48 2002/08/25 17:54:58 thorpej Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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@ -105,15 +105,6 @@ void sbusreset __P((int));
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static bus_space_tag_t sbus_alloc_bustag __P((struct sbus_softc *));
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static int sbus_get_intr __P((struct sbus_softc *, int,
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struct openprom_intr **, int *));
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static paddr_t sbus_bus_mmap __P((bus_space_tag_t, bus_addr_t, off_t,
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int, int));
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static int _sbus_bus_map __P((
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bus_space_tag_t,
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bus_addr_t, /*coded slot+offset*/
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bus_size_t, /*size*/
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int, /*flags*/
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vaddr_t, /*preferred virtual address */
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bus_space_handle_t *));
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static void *sbus_intr_establish __P((
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bus_space_tag_t,
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int, /*Sbus interrupt level*/
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@ -415,14 +406,14 @@ sbus_attach_common(sc, busname, busnode, specials)
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* Collect address translations from the OBP.
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*/
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error = PROM_getprop(busnode, "ranges", sizeof(struct rom_range),
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&sc->sc_nrange, (void **)&sc->sc_range);
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&sbt->nranges, (void **) &sbt->ranges);
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switch (error) {
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case 0:
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break;
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case ENOENT:
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/* Fall back to our own `range' construction */
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sc->sc_range = sbus_translations;
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sc->sc_nrange =
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sbt->ranges = sbus_translations;
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sbt->nranges =
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sizeof(sbus_translations)/sizeof(sbus_translations[0]);
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break;
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default:
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@ -542,46 +533,6 @@ sbus_destroy_attach_args(sa)
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bzero(sa, sizeof(struct sbus_attach_args));/*DEBUG*/
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}
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int
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_sbus_bus_map(t, ba, size, flags, va, hp)
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bus_space_tag_t t;
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bus_addr_t ba;
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bus_size_t size;
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int flags;
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vaddr_t va;
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bus_space_handle_t *hp;
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{
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struct sbus_softc *sc = t->cookie;
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bus_addr_t addr;
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int error;
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error = bus_translate_address_generic(sc->sc_range, sc->sc_nrange,
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ba, &addr);
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if (error)
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return (error);
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return (bus_space_map2(sc->sc_bustag, addr, size, flags, va, hp));
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}
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static paddr_t
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sbus_bus_mmap(t, ba, off, prot, flags)
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bus_space_tag_t t;
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bus_addr_t ba;
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off_t off;
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int prot;
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int flags;
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{
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struct sbus_softc *sc = t->cookie;
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bus_addr_t addr;
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int error;
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error = bus_translate_address_generic(sc->sc_range, sc->sc_nrange,
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ba, &addr);
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if (error)
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return (-1);
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return (bus_space_mmap(sc->sc_bustag, addr, off, prot, flags));
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}
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bus_addr_t
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sbus_bus_addr(t, btype, offset)
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bus_space_tag_t t;
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@ -762,8 +713,8 @@ sbus_alloc_bustag(sc)
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bzero(sbt, sizeof *sbt);
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sbt->cookie = sc;
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sbt->parent = sc->sc_bustag;
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sbt->sparc_bus_map = _sbus_bus_map;
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sbt->sparc_bus_mmap = sbus_bus_mmap;
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sbt->sparc_bus_map = sc->sc_bustag->sparc_bus_map;
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sbt->sparc_bus_mmap = sc->sc_bustag->sparc_bus_mmap;
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sbt->sparc_intr_establish = sbus_intr_establish;
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return (sbt);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: sbusvar.h,v 1.12 2002/08/23 02:53:11 thorpej Exp $ */
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/* $NetBSD: sbusvar.h,v 1.13 2002/08/25 17:54:59 thorpej Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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@ -92,13 +92,10 @@ struct sbus_softc {
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bus_space_handle_t sc_bh; /* SBus control registers */
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int sc_clockfreq; /* clock frequency (in Hz) */
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struct sbusdev *sc_sbdev; /* list of all children */
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struct openprom_range *sc_range;/* Address space translations */
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int sc_nrange;
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int sc_burst; /* burst transfer sizes supported */
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/* MD fields follow here */
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int *sc_intr2ipl; /* Interrupt level translation */
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int *sc_intr_compat; /* `intr' property to sbus compat */
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};
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/*
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@ -1,4 +1,4 @@
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/* $NetBSD: bus.h,v 1.32 2002/05/07 06:45:22 uwe Exp $ */
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/* $NetBSD: bus.h,v 1.33 2002/08/25 17:55:00 thorpej Exp $ */
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/*-
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* Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
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@ -95,6 +95,14 @@ struct sparc_bus_space_tag {
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void *cookie;
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bus_space_tag_t parent;
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/*
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* Windows onto the parent bus that this tag maps. If ranges
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* is non-NULL, the address will be translated, and recursively
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* mapped via the parent tag.
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*/
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struct openprom_range *ranges;
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int nranges;
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int (*sparc_bus_map) __P((
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bus_space_tag_t,
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bus_addr_t,
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@ -1,4 +1,4 @@
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/* $NetBSD: autoconf.c,v 1.173 2002/08/25 16:05:43 thorpej Exp $ */
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/* $NetBSD: autoconf.c,v 1.174 2002/08/25 17:55:01 thorpej Exp $ */
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/*
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* Copyright (c) 1996
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@ -2089,29 +2089,3 @@ bootinfo_relocate(newloc)
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kernel_top = (char *)newloc + ALIGN(bi_size);
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}
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#endif
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#if defined(SUN4C) || defined(SUN4M) || defined(SUN4D)
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/*
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* Generic routine to translate an address using OpenPROM `ranges'.
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*/
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int
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bus_translate_address_generic(struct openprom_range *ranges, int nranges,
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bus_addr_t addr, bus_addr_t *addrp)
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{
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int i, space = BUS_ADDR_IOSPACE(addr);
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for (i = 0; i < nranges; i++) {
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struct openprom_range *rp = &ranges[i];
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if (rp->or_child_space != space)
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continue;
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/* We've found the connection to the parent bus. */
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*addrp = BUS_ADDR(rp->or_parent_space,
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rp->or_parent_base + BUS_ADDR_PADDR(addr));
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return (0);
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}
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return (EINVAL);
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}
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#endif /* SUN4C || SUN4M || SUN4D */
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@ -1,4 +1,4 @@
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/* $NetBSD: cpuunit.c,v 1.2 2002/08/25 16:05:44 thorpej Exp $ */
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/* $NetBSD: cpuunit.c,v 1.3 2002/08/25 17:55:02 thorpej Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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@ -57,9 +57,6 @@ struct cpuunit_softc {
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bus_space_tag_t sc_st; /* ours */
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bus_space_tag_t sc_bustag; /* passed on to children */
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struct openprom_range *sc_range; /* our address ranges */
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int sc_nrange;
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int sc_device_id; /* device-id */
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int sc_board; /* board number */
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};
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@ -73,11 +70,6 @@ struct cfattach cpuunit_ca = {
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static int cpuunit_print(void *, const char *);
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static int cpuunit_bus_map(bus_space_tag_t, bus_addr_t, size_t, int,
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vaddr_t, bus_space_handle_t *);
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static paddr_t cpuunit_bus_mmap(bus_space_tag_t, bus_addr_t, off_t,
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int, int);
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static int cpuunit_setup_attach_args(struct cpuunit_softc *, bus_space_tag_t,
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int, struct cpuunit_attach_args *);
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static void cpuunit_destroy_attach_args(struct cpuunit_attach_args *);
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@ -115,15 +107,15 @@ cpuunit_attach(struct device *parent, struct device *self, void *aux)
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M_WAITOK|M_ZERO);
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sc->sc_bustag->cookie = sc;
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sc->sc_bustag->parent = sc->sc_st;
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sc->sc_bustag->sparc_bus_map = cpuunit_bus_map;
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sc->sc_bustag->sparc_bus_mmap = cpuunit_bus_mmap;
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sc->sc_bustag->sparc_bus_map = sc->sc_st->sparc_bus_map;
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sc->sc_bustag->sparc_bus_mmap = sc->sc_st->sparc_bus_mmap;
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/*
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* Collect address translations from the OBP.
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*/
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error = PROM_getprop(sc->sc_node, "ranges",
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sizeof(struct openprom_range), &sc->sc_nrange,
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(void **) &sc->sc_range);
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sizeof(struct openprom_range), &sc->sc_bustag->nranges,
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(void **) &sc->sc_bustag->ranges);
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if (error) {
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printf("%s: error %d getting \"ranges\" property\n",
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sc->sc_dev.dv_xname, error);
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@ -192,33 +184,3 @@ cpuunit_destroy_attach_args(struct cpuunit_attach_args *cpua)
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if (cpua->cpua_type != NULL)
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free(cpua->cpua_type, M_DEVBUF);
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}
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static int
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cpuunit_bus_map(bus_space_tag_t t, bus_addr_t ba, bus_size_t size,
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int flags, vaddr_t va, bus_space_handle_t *hp)
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{
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struct cpuunit_softc *sc = t->cookie;
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bus_addr_t addr;
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int error;
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error = bus_translate_address_generic(sc->sc_range,
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sc->sc_nrange, ba, &addr);
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if (error)
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return (error);
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return (bus_space_map2(sc->sc_st, addr, size, flags, va, hp));
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}
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static paddr_t
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cpuunit_bus_mmap(bus_space_tag_t t, bus_addr_t ba, off_t off, int prot,
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int flags)
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{
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struct cpuunit_softc *sc = t->cookie;
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bus_addr_t addr;
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int error;
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error = bus_translate_address_generic(sc->sc_range, sc->sc_nrange,
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ba, &addr);
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if (error)
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return (-1);
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return (bus_space_mmap(sc->sc_st, addr, off, prot, flags));
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}
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|
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@ -1,4 +1,4 @@
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/* $NetBSD: machdep.c,v 1.197 2002/07/17 15:57:12 thorpej Exp $ */
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/* $NetBSD: machdep.c,v 1.198 2002/08/25 17:55:02 thorpej Exp $ */
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/*-
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* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
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@ -1779,6 +1779,29 @@ static void *sparc_mainbus_intr_establish __P((bus_space_tag_t, int, int,
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static void sparc_bus_barrier __P(( bus_space_tag_t, bus_space_handle_t,
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bus_size_t, bus_size_t, int));
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/*
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* Generic routine to translate an address using OpenPROM `ranges'.
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*/
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int
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bus_translate_address_generic(struct openprom_range *ranges, int nranges,
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bus_addr_t addr, bus_addr_t *addrp)
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{
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int i, space = BUS_ADDR_IOSPACE(addr);
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for (i = 0; i < nranges; i++) {
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struct openprom_range *rp = &ranges[i];
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|
||||
if (rp->or_child_space != space)
|
||||
continue;
|
||||
|
||||
/* We've found the connection to the parent bus. */
|
||||
*addrp = BUS_ADDR(rp->or_parent_space,
|
||||
rp->or_parent_base + BUS_ADDR_PADDR(addr));
|
||||
return (0);
|
||||
}
|
||||
|
||||
return (EINVAL);
|
||||
}
|
||||
|
||||
int
|
||||
sparc_bus_map(t, ba, size, flags, va, hp)
|
||||
|
|
@ -1793,6 +1816,14 @@ sparc_bus_map(t, ba, size, flags, va, hp)
|
|||
unsigned int pmtype;
|
||||
static vaddr_t iobase;
|
||||
|
||||
if (t->ranges != NULL) {
|
||||
bus_addr_t addr;
|
||||
int error;
|
||||
|
||||
error = bus_translate_address_generic(t->ranges, t->nranges,
|
||||
ba, &addr);
|
||||
return (bus_space_map2(t->parent, addr, size, flags, va, hp));
|
||||
}
|
||||
|
||||
if (iobase == NULL)
|
||||
iobase = IODEV_BASE;
|
||||
|
|
@ -1863,8 +1894,23 @@ sparc_bus_mmap(t, ba, off, prot, flags)
|
|||
int prot;
|
||||
int flags;
|
||||
{
|
||||
u_int pmtype = PMAP_IOENC(BUS_ADDR_IOSPACE(ba));
|
||||
paddr_t pa = trunc_page(BUS_ADDR_PADDR(ba) + off);
|
||||
u_int pmtype;
|
||||
paddr_t pa;
|
||||
|
||||
if (t->ranges != NULL) {
|
||||
bus_addr_t addr;
|
||||
int error;
|
||||
|
||||
error = bus_translate_address_generic(t->ranges, t->nranges,
|
||||
ba, &addr);
|
||||
if (error)
|
||||
return (-1);
|
||||
return (bus_space_mmap(t->parent, addr, off, prot, flags));
|
||||
}
|
||||
|
||||
pmtype = PMAP_IOENC(BUS_ADDR_IOSPACE(ba));
|
||||
pa = trunc_page(BUS_ADDR_PADDR(ba) + off);
|
||||
|
||||
return (paddr_t)(pa | pmtype | PMAP_NC);
|
||||
}
|
||||
|
||||
|
|
@ -1936,6 +1982,8 @@ void sparc_bus_barrier (t, h, offset, size, flags)
|
|||
struct sparc_bus_space_tag mainbus_space_tag = {
|
||||
NULL, /* cookie */
|
||||
NULL, /* parent bus tag */
|
||||
NULL, /* ranges */
|
||||
0, /* nranges */
|
||||
sparc_bus_map, /* bus_space_map */
|
||||
sparc_bus_unmap, /* bus_space_unmap */
|
||||
sparc_bus_subregion, /* bus_space_subregion */
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: msiiep.c,v 1.10 2002/06/05 00:23:01 uwe Exp $ */
|
||||
/* $NetBSD: msiiep.c,v 1.11 2002/08/25 17:55:04 thorpej Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 2001 Valeriy E. Ushakov
|
||||
|
|
@ -27,7 +27,7 @@
|
|||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
#include <sys/cdefs.h>
|
||||
__KERNEL_RCSID(0, "$NetBSD: msiiep.c,v 1.10 2002/06/05 00:23:01 uwe Exp $");
|
||||
__KERNEL_RCSID(0, "$NetBSD: msiiep.c,v 1.11 2002/08/25 17:55:04 thorpej Exp $");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/malloc.h>
|
||||
|
|
@ -153,6 +153,8 @@ static void *mspcic_intr_establish(bus_space_tag_t, int, int, int,
|
|||
static struct sparc_bus_space_tag mspcic_io_tag = {
|
||||
&mspcic_io_cookie, /* cookie */
|
||||
NULL, /* parent bus tag */
|
||||
NULL, /* ranges */
|
||||
0, /* nranges */
|
||||
mspcic_bus_map, /* bus_space_map */
|
||||
NULL, /* bus_space_unmap */
|
||||
NULL, /* bus_space_subregion */
|
||||
|
|
@ -164,6 +166,8 @@ static struct sparc_bus_space_tag mspcic_io_tag = {
|
|||
static struct sparc_bus_space_tag mspcic_mem_tag = {
|
||||
&mspcic_mem_cookie, /* cookie */
|
||||
NULL, /* parent bus tag */
|
||||
NULL, /* ranges */
|
||||
0, /* nranges */
|
||||
mspcic_bus_map, /* bus_space_map */
|
||||
NULL, /* bus_space_unmap */
|
||||
NULL, /* bus_space_subregion */
|
||||
|
|
|
|||
Loading…
Reference in New Issue