From owner-freebsd-arm@freebsd.org Mon Jul 17 18:39:30 2017 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 44A9CD9D95B for ; Mon, 17 Jul 2017 18:39:30 +0000 (UTC) (envelope-from russ.haley@gmail.com) Received: from mail-lf0-x22c.google.com (mail-lf0-x22c.google.com [IPv6:2a00:1450:4010:c07::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B9A196C06B; Mon, 17 Jul 2017 18:39:29 +0000 (UTC) (envelope-from russ.haley@gmail.com) Received: by mail-lf0-x22c.google.com with SMTP id t72so90863137lff.1; Mon, 17 Jul 2017 11:39:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=rxIWs2bL8IrclSHolkfIUIWQPYrTMxfNvPirzOx31wg=; b=EX33ai1WQ2qYZHJ2w+86qnzpoB0ufDI8f3rcro4tIL9rd2p6M9wrPHL6qJmtTwY/Z2 q0+nltqKKhJDjdkBcm4Eh6UQ78wHVjOfsGMPdzoPncKwM6xa8I9h0WEap0Qw38ZWzSOM lKdRcamNCIXLHhJ4sLovPlE+BmrMmBqf71ZkjBFFbVX0k8S7889I+Yscw7WetROsGnxy PZKU7EPYBDsrQqN0V3QpB+L0r6d9iDO5bN1a6rerV5Jb+diOMPFLjbzrOqEP9hHW014+ a4i0RCdeg+gT85nwqg842QbgbpmmcGRpiEGUaAv5jjZ0DD2j/EKuKxFxdcKKVVkrtnJu pfmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=rxIWs2bL8IrclSHolkfIUIWQPYrTMxfNvPirzOx31wg=; b=XQuFdaAFJ+TDTbjyS6SojfqWvBJ8O3zlzWf1MHqXO1z6VBuWNRL3O3KylJUMY4Tii7 my9j5jm/Ofcvp9v+gsj9vSPJsPGj6Op8RF181VgrCUDDkcAl1QMWrMe4GFVLEzXDqqku Hs0Wt/pfDkAVZ1ayU+OGm7SHXd5I3gpFbPOsTQQgKuesF4LoVOyn6w/uj/WbkgRcLpq1 NiFYlor7GhEWhSUevFbGaP95GAlZJgoqsPGTVsoDY1ICwiR16dVIMygqRarhE5M/tOLX 8xL24N83txko1/T63A6GJ0b5u5dYHobf3/RAJaHK96ynJSavUcx6Dl/cs0TGcESI2q8B 0mbA== X-Gm-Message-State: AIVw110sR590u99TcZl84x7KzHGyC3fLJarhqq/0+9QSlOtKRqlcXXa1 k3C/o94/XxjCkMZukyKbDzxhgtUPCdpa X-Received: by 10.46.80.22 with SMTP id e22mr5706676ljb.68.1500316767620; Mon, 17 Jul 2017 11:39:27 -0700 (PDT) MIME-Version: 1.0 Received: by 10.46.82.211 with HTTP; Mon, 17 Jul 2017 11:39:27 -0700 (PDT) In-Reply-To: <1500316477.22314.91.camel@freebsd.org> References: <1500258608.22314.63.camel@freebsd.org> <1500316477.22314.91.camel@freebsd.org> From: Russell Haley Date: Mon, 17 Jul 2017 11:39:27 -0700 Message-ID: Subject: Re: BBB & IMX6 Hummingboard SDIO driver To: Ian Lepore Cc: freebsd-arm Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Jul 2017 18:39:30 -0000 On Mon, Jul 17, 2017 at 11:34 AM, Ian Lepore wrote: > On Mon, 2017-07-17 at 11:32 -0700, Russell Haley wrote: >> On Sun, Jul 16, 2017 at 7:30 PM, Ian Lepore 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