diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/sparc64/dev/pyro.c | 37 | ||||
| -rw-r--r-- | sys/arch/sparc64/dev/pyrovar.h | 4 |
2 files changed, 38 insertions, 3 deletions
diff --git a/sys/arch/sparc64/dev/pyro.c b/sys/arch/sparc64/dev/pyro.c index e881d06c185..1f1585266f9 100644 --- a/sys/arch/sparc64/dev/pyro.c +++ b/sys/arch/sparc64/dev/pyro.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pyro.c,v 1.6 2007/04/01 21:41:09 kettenis Exp $ */ +/* $OpenBSD: pyro.c,v 1.7 2007/04/03 19:59:01 kettenis Exp $ */ /* * Copyright (c) 2002 Jason L. Wright (jason@thought.net) @@ -61,6 +61,7 @@ extern struct sparc_pci_chipset _sparc_pci_chipset; int pyro_match(struct device *, void *, void *); void pyro_attach(struct device *, struct device *, void *); void pyro_init(struct pyro_softc *, int); +void pyro_init_iommu(struct pyro_softc *, struct pyro_pbm *); int pyro_print(void *, const char *); pci_chipset_tag_t pyro_alloc_chipset(struct pyro_pbm *, int, @@ -161,6 +162,9 @@ pyro_init(struct pyro_softc *sc, int busa) getpropint(sc->sc_node, "module-revision#", 0), sc->sc_ign, busa ? 'A' : 'B', busranges[0], busranges[1]); + printf("%s: ", sc->sc_dv.dv_xname); + pyro_init_iommu(sc, pbm); + pbm->pp_memt = pyro_alloc_mem_tag(pbm); pbm->pp_iot = pyro_alloc_io_tag(pbm); pbm->pp_cfgt = pyro_alloc_config_tag(pbm); @@ -192,6 +196,32 @@ pyro_init(struct pyro_softc *sc, int busa) config_found(&sc->sc_dv, &pba, pyro_print); } +void +pyro_init_iommu(struct pyro_softc *sc, struct pyro_pbm *pbm) +{ + struct iommu_state *is = &pbm->pp_is; + int tsbsize = 7; + u_int32_t iobase = -1; + char *name; + + is->is_bustag = sc->sc_bust; + + if (bus_space_subregion(is->is_bustag, sc->sc_csrh, + 0x40000, 0x100, &is->is_iommu)) { + panic("pyro: unable to create iommu handle"); + } + + is->is_sb[0] = &pbm->pp_sb; + is->is_sb[0]->sb_bustag = is->is_bustag; + + name = (char *)malloc(32, M_DEVBUF, M_NOWAIT); + if (name == NULL) + panic("couldn't malloc iommu name"); + snprintf(name, 32, "%s dvma", sc->sc_dv.dv_xname); + + iommu_init(name, is, tsbsize, iobase); +} + int pyro_print(void *aux, const char *p) { @@ -335,7 +365,10 @@ pyro_dmamap_create(bus_dma_tag_t t, bus_dma_tag_t t0, bus_size_t size, int nsegments, bus_size_t maxsegsz, bus_size_t boundary, int flags, bus_dmamap_t *dmamp) { - return (ENOMEM); + struct pyro_pbm *pp = t->_cookie; + + return (iommu_dvmamap_create(t, t0, &pp->pp_sb, size, nsegments, + maxsegsz, boundary, flags, dmamp)); } int diff --git a/sys/arch/sparc64/dev/pyrovar.h b/sys/arch/sparc64/dev/pyrovar.h index 702d6b67f66..a4f8384a1c9 100644 --- a/sys/arch/sparc64/dev/pyrovar.h +++ b/sys/arch/sparc64/dev/pyrovar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pyrovar.h,v 1.2 2007/04/01 21:41:09 kettenis Exp $ */ +/* $OpenBSD: pyrovar.h,v 1.3 2007/04/03 19:59:01 kettenis Exp $ */ /* * Copyright (c) 2007 Mark Kettenis @@ -49,6 +49,8 @@ struct pyro_pbm { bus_space_handle_t pp_cfgh; bus_dma_tag_t pp_dmat; int pp_bus_a; + struct iommu_state pp_is; + struct strbuf_ctl pp_sb; }; struct pyro_softc { |