static void
cn_drvinit(void *unused)
{
phandle_t options;
char output[32];
struct tty *tp;
if (ofw_consdev.cn_pri != CN_DEAD &&
ofw_consdev.cn_name[0] != '\0') {
if ((options = OF_finddevice("/options")) == -1 ||
OF_getprop(options, "output-device", output,
sizeof(output)) == -1)
return;
/*
* XXX: This is a hack and it may result in two /dev/ttya
* XXX: devices on platforms where the sab driver works.
*/
tp = tty_alloc(&ofw_ttydevsw, NULL);
tty_makedev(tp, NULL, "%s", output);
tty_makealias(tp, "ofwcons");
}
}
static int
hvcn_dev_attach(device_t dev)
{
struct tty *tp;
int error, rid;
/* belongs in attach - but attach is getting called multiple times
* for reasons I have not delved into
*/
if (hvcn_consdev.cn_pri == CN_DEAD ||
hvcn_consdev.cn_name[0] == '\0')
return (ENXIO);
tp = tty_alloc(&hvcn_class, NULL);
tty_makedev(tp, NULL, "v%r", 1);
tty_makealias(tp, "hvcn");
rid = 0;
if ((hvcn_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
RF_SHAREABLE | RF_ACTIVE)) == NULL) {
device_printf(dev, "couldn't map interrupt\n");
error = ENXIO;
goto fail;
}
error = bus_setup_intr(dev, hvcn_irq, INTR_TYPE_TTY, NULL, hvcn_intr, hvcn_tp,
hvcn_intrhand);
if (error)
device_printf(dev, "couldn't set up irq\n");
fail:
return (error);
}
