* Anand Gadiyar <gadiyar@xxxxxx> [110202 10:51]: > Tony Lindgren wrote: > > * Anand Gadiyar <gadiyar@xxxxxx> [110201 04:54]: > > > > > > I believe this fix is fixing your reboot issue, but it's breaking > > > EHCI support on the SDP. > > > > > > The MODE4 above should really be MODE3 - all GPIOs are on MODE3. > > > By changing > > > > > > The patch snippet below fixes EHCI on the SDP, but I believe that > > > making this change will reintroduce the "board reboots" issue > > > you originally reported. Could you check and tell me if this > > > is the case? > > > > Hmm sorry looks like I made a typo there. That should be fixed. > > > > > Just curious - is your board a Blaze, or an SDP? > > > > It's a ES1.0 blaze, with the patch below it reboots early > > during the boot. I also have to disable omap_l2_cache_init > > on this board to get it to boot. > > > > ... > > > Maybe there should be a check for ES1.0 for the USB also? > > Looks like a bug on the Blaze boards. There's a large capacitor > on the rails that starts charging when we try to power the USB PHY. > The inrush current is quite high and this causes the reboot. > > The capacitor is on the big motherboard called the application > board, so it's independent of the silicon rev. I'm not sure > which revs are affected - I'll try and find out more about the > issue to see if I can come up with a better fix. OK thanks. Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
