Date: Sun, 7 Feb 2021 23:13:53 +1030 From: "Daniel O'Connor" <darius@dons.net.au> To: Kristoff <kristoff@skypro.be> Cc: freebsd-arm@freebsd.org Subject: Re: device-tree on BeagleBone Black (enabling UART) Message-ID: <C3FE16FF-2FEF-41EF-94D5-D55843DE8378@dons.net.au> In-Reply-To: <6d935107-1d53-11b5-707b-5ec7cba8b6a3@skypro.be> References: <29ee61d3-6eb7-ccf7-3de9-2ecdccdcbb6b@skypro.be> <2CDC590A-AC78-463E-8327-7CE7A4229B8E@dons.net.au> <6d935107-1d53-11b5-707b-5ec7cba8b6a3@skypro.be>
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> On 7 Feb 2021, at 21:01, Kristoff <kristoff@skypro.be> wrote: > > Hi Daniel, > > > > Thank you for the very fast reply! > > > (inline comments) > > > On 7/02/2021 1:10 a.m., Daniel O'Connor wrote: >>> On 7 Feb 2021, at 10:28, Kristoff <kristoff@skypro.be> wrote: >>> I am running FreeBSD 12.1 on a beaglebone black. As I want to use it for a time-server (i.e. connect it to a GPS), I want to enable an additional UART (and also a pps gpio-pin, I guess). >> I have done this, although my kernel is.. >> FreeBSD gps 13.0-CURRENT FreeBSD 13.0-CURRENT #2 41a4c010326-c262109(master)-dirty: Mon Sep 9 10:05:18 ACST 2019 darius@midget.dons.net.au:/usr/obj/arm-src/arm.armv7/sys/GENERIC arm > > > OK, 12.1 just happens to be the version I had installed after playing around with different releases. > > I'll install 13.0 on the BBB. I don't think that is necessary - I would guess your 12.1 post-dates my 13.0. >> I never got an overlay working so I modified am335x-boneblack.dts manually.. > > Thx! > > I found some posts from people who converted the .dtb to .dts and modified it overthere, but I wanted to do this the proper way. I tried that but didn't have any luck but perhaps it works now. > What is strange is that certain device-tree overlay's do work. I found one for the pruss blocks in the am3358 and that one does seams to work. > > (small side-line question: is there application-level support for the pruss blocks in the BBB on freebsd?) I believe so but I have not used them (although I have under Linux) > -- Daniel O'Connor "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaumhome | help
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