Pull the correct clock frequency value out of OFW. Why the helper function

doesn't do this is beyond me, but that will be investigated later.  This
results in programming the chip with the correct frequency, which in turn
allows devices to negotiate up to the full 20MB/s.
This commit is contained in:
Scott Long 2004-09-13 15:15:38 +00:00
parent 7e8ca741ca
commit 4c2ca0f7c8

@ -193,8 +193,12 @@ esp_sbus_attach(device_t dev)
node = ofw_bus_get_node(dev);
if (OF_getprop(node, "initiator-id", &sc->sc_id,
sizeof(sc->sc_id)) == -1)
sc->sc_id = 7;;
sc->sc_freq = sbus_get_clockfreq(dev);
sc->sc_id = 7;
if (OF_getprop(node, "clock-frequency", &sc->sc_freq,
sizeof(sc->sc_freq)) == -1) {
printf("failed to query OFW for clock-frequency\n");
sc->sc_freq = sbus_get_clockfreq(dev);
}
#ifdef ESP_SBUS_DEBUG
device_printf(dev, "espattach_sbus: sc_id %d, freq %d\n",