On Friday, March 30, 2018 at 3:33:28 PM UTC-6, RobertCNelson wrote: > > >> > Question, would it be possible to modify the bb.org overlays to work > on > >> > the > >> > PB's and would that be the better long term approach? And I noticed > the > >> > overlays do have various PB support... but where would it be better > to > >> > add > >> > the support or make a patch as the whole kernel/uboot overlay thing > >> > confuses > >> > me still? I wouldn't mind creating a PR on github if the overlays > would > >> > work. > >> > >> They work on the PB, it was a recent change in our u-boot.. > > > > > > Ah, gotcha. To clarify, the PRU's are working or just the overlays? > Then, > > can I just pull in a more recent u-boot and not need to patch anything > and > > if so is that on the main u-boot repo? Currently I'm using u-boot > 2018.03.. > > Yes, in our U-Boot, I recently enabled PRU overlay support for PB's. > > Pure "mainline" supports the infrastructure to support overlays.. > > However a "cape/overlay" manager is not in u-boot mainline.. >
> Thus we use this hack.. > https://github.com/RobertCNelson/Bootloader-Builder/blob/master/patches/v2018.03/0002-U-Boot-BeagleBone-Cape-Manager.patch > > The hack was a quick way to test things.. > Odd, I'm using that particular patch (and the 0001-am335x_evm*.patch). With it, I was getting the `/sys/devices/platform/cape_mgr` to show up when I setup uEnv.txt to enable the cape_mngr. Though without the slots, I'm not sure how it's supposed to work. :-) I then tried setting the `uboot_overlay_pru` to a few of the PRU overlays, but didn't get pru's to work.. Was I missing something maybe? I don't have systemd to configure anything after boot, just using the sysfs and PRU/RPROC support compiled into the kernel. Thanks for the help btw! I realize the PB's are still relatively new and not everything has been upstreamed yet.. Cheers, Jaremy > Regards, > > -- > Robert Nelson > https://rcn-ee.com/ > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/7856e63c-7fa5-4d7e-b3c6-5af839fdc1b8%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
