Date: Mon, 17 Jul 2017 11:39:27 -0700 From: Russell Haley <russ.haley@gmail.com> To: Ian Lepore <ian@freebsd.org> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: BBB & IMX6 Hummingboard SDIO driver Message-ID: <CABx9NuT7xhnfvQbSKKnPDwFopSqSGae4xnDe-aO7ULRdyB_xuw@mail.gmail.com> In-Reply-To: <1500316477.22314.91.camel@freebsd.org> References: <CABx9NuQWg%2BfDPq9A6w267-LW0RX6aR%2BvyU=rDh8PoS2rAGmTuw@mail.gmail.com> <1500258608.22314.63.camel@freebsd.org> <CABx9NuS8kOga-yg3ONv8j%2By8b0T54CUCPYz0EqQORiyHioA0Ug@mail.gmail.com> <1500316477.22314.91.camel@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, Jul 17, 2017 at 11:34 AM, Ian Lepore <ian@freebsd.org> wrote: > On Mon, 2017-07-17 at 11:32 -0700, Russell Haley wrote: >> On Sun, Jul 16, 2017 at 7:30 PM, Ian Lepore <ian@freebsd.org> wrote: >> > >> > On Sun, 2017-07-16 at 17:41 -0700, Russell Haley wrote: >> > > >> > > Hi, >> > > >> > > I'm building for a BBB and I think I've got almost everything but >> > > I >> > > er... can't find the dtb file or the uEnv.txt file. Any help >> > > would be >> > > grand? I have a feeling I'm going to have to beg/borrow/steal a >> > > uEnv.txt file from a pre-built image. >> > > >> > > As I'm going through the process of re-learning the build steps, >> > > i >> > > thought of a couple of things that I either didn't see or >> > > couldn't >> > > find on the website: >> > > >> > > - A list of boards and their kernel config files >> > > - An easy reference on where to find the bits after the build. >> > > yes, >> > > yes, it's in the handbook. >> > > - Since u-boot has been standardised now, it would be nice to >> > > have a >> > > section on where to get u-boot and the other bits needed to boot. >> > > >> > > Anyway, I've got an unprecedented week with no work and no kids, >> > > so >> > > I'm going to do what any sane person would do during a beautiful >> > > July >> > > summer: play with FreeBSD! >> > > >> > > My end goal - and this is a stretch target - is to try and adopt >> > > Illyia's SDIO driver. I'm not sure how far I'll get, or much time >> > > I'll >> > > have after my week is up, but that's what my objective is. I've >> > > built >> > > the system using the kernel config BEAGLEBONE-MMCCAM in the blind >> > > hope >> > > that it will use his drivers? Once I get that working and can >> > > verify >> > > it in dtrace (maybe? yet another rabbit hole!) I want to get it >> > > working on my IMX6 hummingboard. >> > > >> > > oh, and I suppose I should open up some code, eh? >> > > >> > > Okay, now why isn't my PC computer seeing my sd cards? grrr... ;) >> > > >> > > Cheers, >> > > >> > > Russ >> > You don't need a uenv.txt file. It was always optional, and with >> > the >> > latest uboot stuff it's completely gone. >> > >> > -- Ian >> Thanks Ian. >> >> DTB files are apparently generated with buildworld. >> >> https://wiki.freebsd.org/FlattenedDeviceTree >> >> I know they are generated with a specific tool (the name of which I >> forget) . I'm surprised it's not it's own target or at least part of >> buildkernel. >> >> Russ > > The DTB files installed on our distributed images are built from > sys/modules/dtb (which makes them part of the kernel build unless you > go out of your way to build them by themselves). EBK (Error Behind Keyboard): Forgot the single quotes in my find command. oops. Thanks! russellh@prescott:~/FreeBSD/hummingboard/obj/arm.armv6/usr/home/russellh/FreeBSD/hummingboard/src/sys% find . -name '*dtb*' ./BEAGLEBONE-MMCCAM/modules/usr/home/russellh/FreeBSD/hummingboard/src/sys/modules/dtb ./BEAGLEBONE-MMCCAM/modules/usr/home/russellh/FreeBSD/hummingboard/src/sys/modules/dtb/am335x/am335x-boneblack.dtb ./BEAGLEBONE-MMCCAM/modules/usr/home/russellh/FreeBSD/hummingboard/src/sys/modules/dtb/am335x/ufw.dtb ./BEAGLEBONE-MMCCAM/modules/usr/home/russellh/FreeBSD/hummingboard/src/sys/modules/dtb/am335x/am335x-bonegreen.dtb ./BEAGLEBONE-MMCCAM/modules/usr/home/russellh/FreeBSD/hummingboard/src/sys/modules/dtb/am335x/am335x-bone.dtb
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CABx9NuT7xhnfvQbSKKnPDwFopSqSGae4xnDe-aO7ULRdyB_xuw>