Hi Kevin, > > Did you happen to notice what was keeping PER out of retention before > the u-boot upgrade? Looks like we might still need some init-time > reset code to compensate for bootloaders. >
No. I still have the old u-boot version though, so I can reproduce the problem. After fosdem :) > > The only way to get core to retention was to force idle USBOTG and > > disable the USBOTG driver. > > This is the same issue on 3430SDP. The PM branch code does the > force-idle, and I usually have USB built as modules and not loaded > when I do the tests. > Ok. > I'm guessing this is a result of u-boot configuring/using USB. > > > Dynamic retention seems to work only once the system has been in static > > retention once. > > > > Static off mode seems to work, but resume from off kills the UART. The > > system seems to run though, at least LED0 flickers as usual when the > > system runs. Sometimes it hangs and I have seen one reboot. > > I have noticed this as well. > > I haven't looked at all at the T2 scripts being used on Beagle. Do > you think some of these issues may be related to those scripts? > It might be. They are very basic compared to some others I have seen. I will have a look at those tonight. Cheers, Peter. -- goa is a state of mind -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
