void
fw_poll(void)
{
struct fwohci_softc *sc;
int i;
if (fw_initialized == 0)
return;
for (i = 0; i < MAX_OHCI; i ++) {
sc = &fwinfo[i];
if (sc->state < FWOHCI_STATE_ENABLED)
break;
fwohci_poll(sc);
}
}
static device_t
fwohci_pci_add_child(device_t dev, u_int order, const char *name, int unit)
{
struct fwohci_softc *sc;
device_t child;
int err = 0;
sc = (struct fwohci_softc *)device_get_softc(dev);
child = device_add_child(dev, name, unit);
if (child == NULL)
return (child);
sc->fc.bdev = child;
device_set_ivars(child, (void *)&sc->fc);
err = device_probe_and_attach(child);
if (err) {
device_printf(dev, "probe_and_attach failed with err=%d\n",
err);
fwohci_pci_detach(dev);
device_delete_child(dev, child);
return NULL;
}
/* XXX
* Clear the bus reset event flag to start transactions even when
* interrupt is disabled during the boot process.
*/
if (cold) {
int s;
DELAY(250); /* 2 cycles */
s = splfw();
fwohci_poll((void *)sc, 0, -1);
splx(s);
}
return (child);
}
static int
fw_busreset(struct fwohci_softc *sc)
{
int count;
if (sc->state < FWOHCI_STATE_ENABLED) {
printf("fwohci not enabled\n");
return(CMD_OK);
}
fw_crom(sc);
fwohci_ibr(sc);
count = 0;
while (sc->state< FWOHCI_STATE_NORMAL) {
fwohci_poll(sc);
count ++;
if (count > 1000) {
printf("give up to wait bus initialize\n");
return (-1);
}
}
printf("poll count = %d\n", count);
return (0);
}