diff options
| author | scottl <scottl@FreeBSD.org> | 2004-09-13 15:15:38 +0000 |
|---|---|---|
| committer | scottl <scottl@FreeBSD.org> | 2004-09-13 15:15:38 +0000 |
| commit | 26d40a801f18edf3ea44321899f2eefeb4abbe1e (patch) | |
| tree | 79caf4f2064197a88210fd85b832731c021c7e6e /sys/dev/esp | |
| parent | a5693287e110eb43ec8e5c95e9f77f3c6355b060 (diff) | |
| download | FreeBSD-src-26d40a801f18edf3ea44321899f2eefeb4abbe1e.zip FreeBSD-src-26d40a801f18edf3ea44321899f2eefeb4abbe1e.tar.gz | |
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.
Diffstat (limited to 'sys/dev/esp')
| -rw-r--r-- | sys/dev/esp/esp_sbus.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/dev/esp/esp_sbus.c b/sys/dev/esp/esp_sbus.c index eb32f1d..ba8f382 100644 --- a/sys/dev/esp/esp_sbus.c +++ b/sys/dev/esp/esp_sbus.c @@ -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", |
