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catch up with r189306; handle delayed activation of resources

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Submitted by:	jhb
This commit is contained in:
Sam Leffler 2009-03-10 16:42:49 +00:00
parent f9ec06aba7
commit 5ee23799eb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=189630
2 changed files with 57 additions and 25 deletions
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41
sys/arm/xscale/ixp425/ixp425.c
View File

@ -362,8 +362,10 @@ ixp425_alloc_resource(device_t dev, device_t child, int type, int *rid,
struct rman *rmanp;
struct resource *rv;
uint32_t vbase, addr;
int needactivate = flags & RF_ACTIVE;
int irq;
flags &= ~RF_ACTIVE;
switch (type) {
case SYS_RES_IRQ:
rmanp = &sc->sc_irq_rman;
@ -382,6 +384,7 @@ ixp425_alloc_resource(device_t dev, device_t child, int type, int *rid,
if (BUS_READ_IVAR(dev, child, IXP425_IVAR_ADDR, &addr) == 0) {
start = addr;
end = start + 0x1000; /* XXX */
count = end - start;
}
if (getvbase(start, end - start, &vbase) != 0) {
/* likely means above table needs to be updated */
@ -391,20 +394,41 @@ ixp425_alloc_resource(device_t dev, device_t child, int type, int *rid,
}
rv = rman_reserve_resource(rmanp, start, end, count,
flags, child);
if (rv != NULL) {
if (rv != NULL)
rman_set_rid(rv, *rid);
if (strcmp(device_get_name(child), "uart") == 0)
rman_set_bustag(rv, &ixp425_a4x_bs_tag);
else
rman_set_bustag(rv, sc->sc_iot);
rman_set_bushandle(rv, vbase);
}
break;
default:
rv = NULL;
break;
}
return rv;
if (rv != NULL && needactivate) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (NULL);
}
}
return (rv);
}
static int
ixp425_activate_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
struct ixp425_softc *sc = device_get_softc(dev);
int error;
uint32_t vbase;
if (type == SYS_RES_MEMORY) {
error = getvbase(rman_get_start(r), rman_get_size(r), &vbase);
if (error)
return (error);
if (strcmp(device_get_name(child), "uart") == 0)
rman_set_bustag(r, &ixp425_a4x_bs_tag);
else
rman_set_bustag(r, sc->sc_iot);
rman_set_bushandle(r, vbase);
}
return (rman_activate_resource(r));
}
static __inline void
@ -472,6 +496,7 @@ static device_method_t ixp425_methods[] = {
DEVMETHOD(bus_read_ivar, ixp425_read_ivar),
DEVMETHOD(bus_alloc_resource, ixp425_alloc_resource),
DEVMETHOD(bus_activate_resource, ixp425_activate_resource),
DEVMETHOD(bus_setup_intr, ixp425_setup_intr),
DEVMETHOD(bus_teardown_intr, ixp425_teardown_intr),

41
sys/arm/xscale/ixp425/ixp425_pci.c
View File

@ -276,12 +276,10 @@ static struct resource *
ixppcib_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
bus_space_tag_t tag;
struct ixppcib_softc *sc = device_get_softc(bus);
struct rman *rmanp;
struct resource *rv;
tag = NULL; /* shut up stupid gcc */
rv = NULL;
switch (type) {
case SYS_RES_IRQ:
@ -290,28 +288,25 @@ ixppcib_alloc_resource(device_t bus, device_t child, int type, int *rid,
case SYS_RES_IOPORT:
rmanp = &sc->sc_io_rman;
tag = &sc->sc_pci_iot;
break;
case SYS_RES_MEMORY:
rmanp = &sc->sc_mem_rman;
tag = &sc->sc_pci_memt;
break;
default:
return (rv);
}
rv = rman_reserve_resource(rmanp, start, end, count, flags, child);
if (rv != NULL) {
rman_set_rid(rv, *rid);
if (type == SYS_RES_IOPORT) {
rman_set_bustag(rv, tag);
rman_set_bushandle(rv, rman_get_start(rv));
} else if (type == SYS_RES_MEMORY) {
rman_set_bustag(rv, tag);
rman_set_bushandle(rv, rman_get_bushandle(sc->sc_mem) +
(rman_get_start(rv) - IXP425_PCI_MEM_HWBASE));
rv = rman_reserve_resource(rmanp, start, end, count, flags & ~RF_ACTIVE,
child);
if (rv == NULL)
return (NULL);
rman_set_rid(rv, *rid);
if (flags & RF_ACTIVE) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (NULL);
}
}
@ -323,9 +318,21 @@ ixppcib_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
device_printf(bus, "%s called activate_resource (unexpected)\n",
device_get_nameunit(child));
return (ENXIO);
struct ixppcib_softc *sc = device_get_softc(bus);
switch (type) {
case SYS_RES_IOPORT:
rman_set_bustag(r, &sc->sc_pci_iot);
rman_set_bushandle(r, rman_get_start(r));
break;
case SYS_RES_MEMORY:
rman_set_bustag(r, &sc->sc_pci_memt);
rman_set_bushandle(r, rman_get_bushandle(sc->sc_mem) +
(rman_get_start(r) - IXP425_PCI_MEM_HWBASE));
break;
}
return (rman_activate_resource(r));
}
static int