hardware side: is your REFCLK connected to PHY and am335x? 25MHz clock can be detected? and 2 PHY ADDR pins stable while mdio probing?
uboot toggle reset example can be found here: https://github.com/c2h2/aria-uboot/blob/7504def7830aaf4e8478ad098d8eec1951d5ccb6/board/ti/am335x/board.c#L505 On Wed, Aug 15, 2018 at 4:27 AM Robert Nelson <robertcnel...@gmail.com> wrote: > On Tue, Aug 14, 2018 at 3:24 PM <sam.abb...@gmail.com> wrote: > > > > Hi Frank, > > > > Actually I am able to toggle GPIO now, but the GPIO is getting reset at > Kernel. PHY reset is suppose to happen at startup on u-boot. How can I > toggle GPIO at startup? > > No the dts file your tweaking would cause the phy reset to occur in > the kernel startup.. > > For u-boot, you need to modify the u-boot sources.. > > 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/CAOCHtYgWnyZH9yk0XX6GYkuwotOGv9%3DX%2BTV3htmy%2BhQ7VtR6qw%40mail.gmail.com > . > For more options, visit https://groups.google.com/d/optout. > -- Yiling Cao http://umine.io/ <http://umie.io/> http://ariaboard.com/ http://shanghainovotech.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/CAMMUdpL201Vy26bCNS1Q5MPS0_LKArSnUe6fYwo5jzHKLdwZDQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
