diff options
| -rw-r--r-- | sys/arm/ti/am335x/am335x_musb.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/sys/arm/ti/am335x/am335x_musb.c b/sys/arm/ti/am335x/am335x_musb.c index b92be0d..4dc96c3 100644 --- a/sys/arm/ti/am335x/am335x_musb.c +++ b/sys/arm/ti/am335x/am335x_musb.c @@ -237,6 +237,7 @@ static int musbotg_attach(device_t dev) { struct musbotg_super_softc *sc = device_get_softc(dev); + char mode[16]; int err; uint32_t reg; @@ -308,10 +309,19 @@ musbotg_attach(device_t dev) } sc->sc_otg.sc_platform_data = sc; - if (sc->sc_otg.sc_id == 0) - sc->sc_otg.sc_mode = MUSB2_DEVICE_MODE; - else - sc->sc_otg.sc_mode = MUSB2_HOST_MODE; + if (OF_getprop(ofw_bus_get_node(dev), "dr_mode", mode, + sizeof(mode)) > 0) { + if (strcasecmp(mode, "host") == 0) + sc->sc_otg.sc_mode = MUSB2_HOST_MODE; + else + sc->sc_otg.sc_mode = MUSB2_DEVICE_MODE; + } else { + /* Beaglebone defaults: USB0 device, USB1 HOST. */ + if (sc->sc_otg.sc_id == 0) + sc->sc_otg.sc_mode = MUSB2_DEVICE_MODE; + else + sc->sc_otg.sc_mode = MUSB2_HOST_MODE; + } /* * software-controlled function |
