Hi Alex, when I understand schematics of BBB correct, this input is hard-wired to the boards reset line only, so there is no chance to toggle that pin without a hard reboot of the whole board (means even a simple software reset of the CPU is not enough).
Karl 2014-12-12 10:20 GMT+01:00 <alexschneider...@gmail.com>: > > Karl, > > Thank you for the link. So, according to that thread, we cannot start the > board reliably without modifying the hardware. > > But what about doing something with nRESETIN_OUT pin? The datasheet says > that the pin can be used to reset external devices, although it recommends > using the pin as input only (page 1149). I wonder whether a special reset > signal, generated on that pin to reset the transceiver chip, will work or > not. > > Regards > > Alex > > > On Thursday, December 11, 2014 12:36:42 PM UTC+1, Karl Karpfen wrote: >> >> OK, I found the thread I mentioned: http://e2e.ti.com/ >> support/arm/sitara_arm/f/791/t/347189 >> >> Am Donnerstag, 11. Dezember 2014 12:34:10 UTC+1 schrieb Karl Karpfen: >>> >>> I remember a thread in TI's forum stating that this issue can't be >>> resolved by software. There is a hardware problem with the PHY which >>> requires either a power cycle or a reset of PHY. And for BBB the reset line >>> isn ot connected. To solve this issue via software a connection from one >>> GPO to this reset line would be required. >>> >>> Try to find this thread after TI has changed its webboard-software, >>> things are way more complicated there... >>> >>>> >>>>>> >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/9mctrG26Mc8/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
