Date: Mon, 17 Jul 2017 11:32:04 -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: <CABx9NuS8kOga-yg3ONv8j%2By8b0T54CUCPYz0EqQORiyHioA0Ug@mail.gmail.com> In-Reply-To: <1500258608.22314.63.camel@freebsd.org> References: <CABx9NuQWg%2BfDPq9A6w267-LW0RX6aR%2BvyU=rDh8PoS2rAGmTuw@mail.gmail.com> <1500258608.22314.63.camel@freebsd.org>
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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
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