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- pay attention to the "no-streaming-cache" flag. 

- minor re-structure so this looks a little more like psycho.c.
This commit is contained in:
mrg 2010-03-11 03:30:16 +00:00
parent db7dad6e7e
commit 09c1408d7c
1 changed files with 32 additions and 28 deletions
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60
sys/arch/sparc64/dev/schizo.c
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@ -1,4 +1,4 @@
/* $NetBSD: schizo.c,v 1.14 2010/02/13 11:55:48 nakayama Exp $ */
/* $NetBSD: schizo.c,v 1.15 2010/03/11 03:30:16 mrg Exp $ */
/* $OpenBSD: schizo.c,v 1.55 2008/08/18 20:29:37 brad Exp $ */
/*
@ -136,6 +136,7 @@ schizo_attach(struct device *parent, struct device *self, void *aux)
struct schizo_softc *sc = (struct schizo_softc *)self;
struct mainbus_attach_args *ma = aux;
struct schizo_pbm *pbm;
struct iommu_state *is;
struct pcibus_attach_args pba;
uint64_t reg, eccctrl;
int *busranges = NULL, nranges;
@ -209,6 +210,26 @@ schizo_attach(struct device *parent, struct device *self, void *aux)
panic("schizo: unable to create PBM handle");
}
is = &pbm->sp_is;
pbm->sp_sb.sb_is = is;
if (prom_getproplen(sc->sc_node, "no-streaming-cache") < 0) {
vaddr_t va = (vaddr_t)&pbm->sp_flush[0x40];
/*
* Initialize the strbuf_ctl.
*
* The flush sync buffer must be 64-byte aligned.
*/
is->is_sb[0] = &pbm->sp_sb;
is->is_sb[0]->sb_flush = (void *)(va & ~0x3f);
bus_space_subregion(pbm->sp_regt, pbm->sp_regh,
offsetof(struct schizo_pbm_regs, strbuf),
sizeof(struct iommu_strbuf), &is->is_sb[0]->sb_sb);
} else {
aprint_debug("%s: no streaming buffers\n", sc->sc_dv.dv_xname);
}
printf("%s: ", sc->sc_dv.dv_xname);
schizo_init_iommu(sc, pbm);
@ -378,37 +399,14 @@ schizo_init_iommu(struct schizo_softc *sc, struct schizo_pbm *pbm)
struct iommu_state *is = &pbm->sp_is;
int *vdma = NULL, nitem, tsbsize = 7;
u_int32_t iobase = -1;
vaddr_t va;
char *name;
if (prom_getproplen(sc->sc_node, "no-streaming-cache") < 0) {
}
va = (vaddr_t)pbm->sp_flush[0x40];
/* punch in our copies */
is->is_bustag = pbm->sp_regt;
if (bus_space_subregion(is->is_bustag, pbm->sp_regh,
offsetof(struct schizo_pbm_regs, iommu),
sizeof(struct schizo_iommureg), &is->is_iommu)) {
printf("schizo: unable to create streaming buffer handle\n");
is->is_sb[0]->sb_flush = NULL;
}
/* initialize our strbuf_ctl */
is->is_sb[0] = &pbm->sp_sb;
pbm->sp_sb.sb_is = is;
is->is_sb[0]->sb_flush = (void *)(va & ~0x3f);
if (bus_space_subregion(is->is_bustag, pbm->sp_regh,
offsetof(struct schizo_pbm_regs, strbuf),
sizeof(struct iommu_strbuf), &is->is_sb[0]->sb_sb)) {
}
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);
bus_space_subregion(is->is_bustag, pbm->sp_regh,
offsetof(struct schizo_pbm_regs, iommu),
sizeof(struct schizo_iommureg),
&is->is_iommu);
/*
* Separate the men from the boys. If the `virtual-dma'
@ -434,6 +432,12 @@ schizo_init_iommu(struct schizo_softc *sc, struct schizo_pbm *pbm)
"using iobase=0x%x, tsbsize=%d\n", iobase, tsbsize));
}
/* give us a nice name.. */
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);
}