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authorMark Kettenis <kettenis@cvs.openbsd.org>2007-08-04 16:44:16 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2007-08-04 16:44:16 +0000
commitdc7c80119a0844956f4662be2c398d8b16b22dff (patch)
tree9d326c36b6b4334afcf149635ef981704cd1691e /sys/arch
parent84b496c7b4bd76bcd44c9f379fc27c7aa4ef3759 (diff)
Add sparc_bus_addr member to struct sparc_bus_space_tag. This function maps
a bus_space_handle_t back to a bus_addr_t. Needed for rbus. Only implemented for mainbus(4) and psycho(4) for now; schizo(4) and pyro(4) will follow soon. ok deraadt@
Diffstat (limited to 'sys/arch')
-rw-r--r--sys/arch/sparc64/dev/psycho.c61
-rw-r--r--sys/arch/sparc64/include/bus.h4
-rw-r--r--sys/arch/sparc64/sparc64/machdep.c20
3 files changed, 68 insertions, 17 deletions
diff --git a/sys/arch/sparc64/dev/psycho.c b/sys/arch/sparc64/dev/psycho.c
index b99f089c15c..0f1d483e4c7 100644
--- a/sys/arch/sparc64/dev/psycho.c
+++ b/sys/arch/sparc64/dev/psycho.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: psycho.c,v 1.51 2007/04/10 17:47:55 miod Exp $ */
+/* $OpenBSD: psycho.c,v 1.52 2007/08/04 16:44:15 kettenis Exp $ */
/* $NetBSD: psycho.c,v 1.39 2001/10/07 20:30:41 eeh Exp $ */
/*
@@ -77,7 +77,7 @@ void psycho_get_bus_range(int, int *);
void psycho_get_ranges(int, struct psycho_ranges **, int *);
void psycho_set_intr(struct psycho_softc *, int, void *,
u_int64_t *, u_int64_t *, const char *);
-bus_space_tag_t _psycho_alloc_bus_tag(struct psycho_pbm *,
+bus_space_tag_t psycho_alloc_bus_tag(struct psycho_pbm *,
const char *, int, int, int);
/* Interrupt handlers */
@@ -96,10 +96,12 @@ void psycho_iommu_init(struct psycho_softc *, int);
* bus space and bus dma support for UltraSPARC `psycho'. note that most
* of the bus dma support is provided by the iommu dvma controller.
*/
+int psycho_bus_map(bus_space_tag_t, bus_space_tag_t, bus_addr_t,
+ bus_size_t, int, bus_space_handle_t *);
paddr_t psycho_bus_mmap(bus_space_tag_t, bus_space_tag_t, bus_addr_t, off_t,
int, int);
-int _psycho_bus_map(bus_space_tag_t, bus_space_tag_t, bus_addr_t,
- bus_size_t, int, bus_space_handle_t *);
+bus_addr_t psycho_bus_addr(bus_space_tag_t, bus_space_tag_t,
+ bus_space_handle_t);
void *psycho_intr_establish(bus_space_tag_t, bus_space_tag_t, int, int, int,
int (*)(void *), void *, const char *);
@@ -854,7 +856,7 @@ psycho_iommu_init(struct psycho_softc *sc, int tsbsize)
bus_space_tag_t
psycho_alloc_mem_tag(struct psycho_pbm *pp)
{
- return (_psycho_alloc_bus_tag(pp, "mem",
+ return (psycho_alloc_bus_tag(pp, "mem",
0x02, /* 32-bit mem space (where's the #define???) */
ASI_PRIMARY, ASI_PRIMARY_LITTLE));
}
@@ -862,7 +864,7 @@ psycho_alloc_mem_tag(struct psycho_pbm *pp)
bus_space_tag_t
psycho_alloc_io_tag(struct psycho_pbm *pp)
{
- return (_psycho_alloc_bus_tag(pp, "io",
+ return (psycho_alloc_bus_tag(pp, "io",
0x01, /* IO space (where's the #define???) */
ASI_PHYS_NON_CACHED_LITTLE, ASI_PHYS_NON_CACHED));
}
@@ -870,13 +872,13 @@ psycho_alloc_io_tag(struct psycho_pbm *pp)
bus_space_tag_t
psycho_alloc_config_tag(struct psycho_pbm *pp)
{
- return (_psycho_alloc_bus_tag(pp, "cfg",
+ return (psycho_alloc_bus_tag(pp, "cfg",
0x00, /* Config space (where's the #define???) */
ASI_PHYS_NON_CACHED_LITTLE, ASI_PHYS_NON_CACHED));
}
bus_space_tag_t
-_psycho_alloc_bus_tag(struct psycho_pbm *pp,
+psycho_alloc_bus_tag(struct psycho_pbm *pp,
const char *name, int ss, int asi, int sasi)
{
struct psycho_softc *sc = pp->pp_sc;
@@ -896,8 +898,9 @@ _psycho_alloc_bus_tag(struct psycho_pbm *pp,
bt->default_type = ss;
bt->asi = asi;
bt->sasi = sasi;
- bt->sparc_bus_map = _psycho_bus_map;
+ bt->sparc_bus_map = psycho_bus_map;
bt->sparc_bus_mmap = psycho_bus_mmap;
+ bt->sparc_bus_addr = psycho_bus_addr;
bt->sparc_intr_establish = psycho_intr_establish;
return (bt);
@@ -940,13 +943,13 @@ psycho_alloc_dma_tag(struct psycho_pbm *pp)
*/
int
-_psycho_bus_map(bus_space_tag_t t, bus_space_tag_t t0, bus_addr_t offset,
+psycho_bus_map(bus_space_tag_t t, bus_space_tag_t t0, bus_addr_t offset,
bus_size_t size, int flags, bus_space_handle_t *hp)
{
struct psycho_pbm *pp = t->cookie;
int i, ss;
- DPRINTF(PDB_BUSMAP, ("\n_psycho_bus_map: type %d off %qx sz %qx "
+ DPRINTF(PDB_BUSMAP, ("\npsycho_bus_map: type %d off %qx sz %qx "
"flags %d", t->default_type, (unsigned long long)offset,
(unsigned long long)size, flags));
@@ -954,7 +957,7 @@ _psycho_bus_map(bus_space_tag_t t, bus_space_tag_t t0, bus_addr_t offset,
DPRINTF(PDB_BUSMAP, (" cspace %d", ss));
if (t->parent == 0 || t->parent->sparc_bus_map == 0) {
- printf("\n_psycho_bus_map: invalid parent");
+ printf("\npsycho_bus_map: invalid parent");
return (EINVAL);
}
@@ -998,7 +1001,7 @@ psycho_bus_mmap(bus_space_tag_t t, bus_space_tag_t t0, bus_addr_t paddr,
prot, flags, (unsigned long long)paddr));
if (t->parent == 0 || t->parent->sparc_bus_mmap == 0) {
- printf("\n_psycho_bus_mmap: invalid parent");
+ printf("\npsycho_bus_mmap: invalid parent");
return (-1);
}
@@ -1012,7 +1015,7 @@ psycho_bus_mmap(bus_space_tag_t t, bus_space_tag_t t0, bus_addr_t paddr,
paddr = pp->pp_range[i].phys_lo + offset;
paddr |= ((bus_addr_t)pp->pp_range[i].phys_hi << 32);
- DPRINTF(PDB_BUSMAP, ("\n_psycho_bus_mmap: mapping paddr "
+ DPRINTF(PDB_BUSMAP, ("\npsycho_bus_mmap: mapping paddr "
"space %lx offset %lx paddr %qx",
(long)ss, (long)offset,
(unsigned long long)paddr));
@@ -1022,6 +1025,36 @@ psycho_bus_mmap(bus_space_tag_t t, bus_space_tag_t t0, bus_addr_t paddr,
return (-1);
}
+bus_addr_t
+psycho_bus_addr(bus_space_tag_t t, bus_space_tag_t t0, bus_space_handle_t h)
+{
+ struct psycho_pbm *pp = t->cookie;
+ bus_addr_t addr;
+ int i, ss;
+
+ ss = t->default_type;
+
+ if (t->parent == 0 || t->parent->sparc_bus_addr == 0) {
+ printf("\npsycho_bus_addr: invalid parent");
+ return (-1);
+ }
+
+ t = t->parent;
+
+ addr = ((*t->sparc_bus_addr)(t, t0, h));
+ if (addr == -1)
+ return (-1);
+
+ for (i = 0; i < pp->pp_nrange; i++) {
+ if (((pp->pp_range[i].cspace >> 24) & 0x03) != ss)
+ continue;
+
+ return (BUS_ADDR_PADDR(addr) - pp->pp_range[i].phys_lo);
+ }
+
+ return (-1);
+}
+
/*
* Bus-specific interrupt mapping
*/
diff --git a/sys/arch/sparc64/include/bus.h b/sys/arch/sparc64/include/bus.h
index ac7a66aaa49..ca523176dd2 100644
--- a/sys/arch/sparc64/include/bus.h
+++ b/sys/arch/sparc64/include/bus.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: bus.h,v 1.22 2007/05/29 09:54:25 sobrado Exp $ */
+/* $OpenBSD: bus.h,v 1.23 2007/08/04 16:44:15 kettenis Exp $ */
/* $NetBSD: bus.h,v 1.31 2001/09/21 15:30:41 wiz Exp $ */
/*-
@@ -219,6 +219,8 @@ struct sparc_bus_space_tag {
int (*)(void *), void *,
const char *);
+ bus_addr_t (*sparc_bus_addr)(bus_space_tag_t,
+ bus_space_tag_t, bus_space_handle_t);
};
/*
diff --git a/sys/arch/sparc64/sparc64/machdep.c b/sys/arch/sparc64/sparc64/machdep.c
index c410ef0bc20..4da4ca9d16c 100644
--- a/sys/arch/sparc64/sparc64/machdep.c
+++ b/sys/arch/sparc64/sparc64/machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: machdep.c,v 1.92 2007/07/22 21:33:04 kettenis Exp $ */
+/* $OpenBSD: machdep.c,v 1.93 2007/08/04 16:44:15 kettenis Exp $ */
/* $NetBSD: machdep.c,v 1.108 2001/07/24 19:30:14 eeh Exp $ */
/*-
@@ -1570,6 +1570,8 @@ int sparc_bus_protect(bus_space_tag_t, bus_space_tag_t, bus_space_handle_t,
bus_size_t, int);
int sparc_bus_unmap(bus_space_tag_t, bus_space_tag_t, bus_space_handle_t,
bus_size_t);
+bus_addr_t sparc_bus_addr(bus_space_tag_t, bus_space_tag_t,
+ bus_space_handle_t);
int sparc_bus_subregion(bus_space_tag_t, bus_space_tag_t, bus_space_handle_t,
bus_size_t, bus_size_t, bus_space_handle_t *);
paddr_t sparc_bus_mmap(bus_space_tag_t, bus_space_tag_t, bus_addr_t, off_t,
@@ -1774,6 +1776,19 @@ sparc_bus_mmap(bus_space_tag_t t, bus_space_tag_t t0, bus_addr_t paddr,
return ((paddr + off) | PMAP_NC);
}
+bus_addr_t
+sparc_bus_addr(bus_space_tag_t t, bus_space_tag_t t0, bus_space_handle_t h)
+{
+ paddr_t addr;
+
+ if (PHYS_ASI(t0->asi))
+ return h.bh_ptr;
+
+ if (!pmap_extract(pmap_kernel(), h.bh_ptr, &addr))
+ return (-1);
+ return addr;
+}
+
void *
bus_intr_allocate(bus_space_tag_t t, int (*handler)(void *), void *arg,
int number, int pil,
@@ -1872,7 +1887,8 @@ static const struct sparc_bus_space_tag _mainbus_space_tag = {
sparc_bus_subregion, /* bus_space_subregion */
sparc_bus_barrier, /* bus_space_barrier */
sparc_bus_mmap, /* bus_space_mmap */
- sparc_mainbus_intr_establish /* bus_intr_establish */
+ sparc_mainbus_intr_establish, /* bus_intr_establish */
+ sparc_bus_addr /* bus_space_addr */
};
const bus_space_tag_t mainbus_space_tag = &_mainbus_space_tag;