On Sat, Jun 15, 2013 at 12:50 PM, Doug Calvert <[email protected]> wrote: > Can you explain what is different in this approach versus the > traditional gps/pps without needing a custom clocksource? > The default kernel uses TIMER2 for its clocksource, and is configured to use the internal clock derived from the on-board crystal. TIMER2 does not support event capture (hardware timestamps). The clocksource driver uses TIMER4 (which supports event capture) configured to use an external clock.
On Sat, Jun 15, 2013 at 9:47 AM, Jim King <[email protected]> wrote: > I don't have a BeagleBone (yet), but I'm very interested in this. Are you > going to post the driver somewhere when you're finished? > > Thanks, > Jim > I will post the sources and instructions when it's ready. On Sat, Jun 15, 2013 at 9:48 PM, Paul <[email protected]> wrote: > On Fri Jun 14 20:13:51 EDT 2013, <Gabs Ricalde> wrote: >> As an alternative to the Net4501, the AM335x in the Beaglebone has >> timers ... >> I'm finishing the clocksource driver for Linux > > Which distribution and which kernel are you using? > I am using the Angstrom-Cloud9-IDE-GNOME-eglibc-ipk-v2012.12-beaglebone-2013.05.28.img.xz image and rebuilt the kernel (3.8.13) from https://github.com/beagleboard/kernel _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
