From owner-freebsd-arm@FreeBSD.ORG Sun Mar 2 03:38:39 2014 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B0330B25 for ; Sun, 2 Mar 2014 03:38:39 +0000 (UTC) Received: from mail-ob0-f179.google.com (mail-ob0-f179.google.com [209.85.214.179]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 73C0A1580 for ; Sun, 2 Mar 2014 03:38:38 +0000 (UTC) Received: by mail-ob0-f179.google.com with SMTP id va2so805616obc.10 for ; Sat, 01 Mar 2014 19:38:38 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=RMYftZ52B6QNqMFTF/wNHWkw8+WyVH+oIL1fOTRhRH8=; b=XU/fKRvxFqlk+RTA7z9p4wJcSz0lPobSRa082EV763TibwulT9A2n3W6wl+CqoLGSx NccvGTzjnAnRrSM0fkHlhqyodesOZOB5Kj4+BdR8VWOEAGQW+PjYkVTzbDfBZMtIt3/I EulyDd3b0PvKsSLJ16nL7HXcxzt/YXM9NnAWpe9wl2PwjMERyFiUD8S3t5Oj8HYIDrIV ex3QS6qFwnPACbzjZ6FCG4kf6Zl9Q2IDcyQO/GY033+FCkOqgcNSLuATJAWdjtFB8AR2 H23wPAV3kEb7hMKAt/TKlc8p+JPeHqKXatV4TYsLaWozzKyoqlY9otsEQnG7koVwPpiW 3QBw== X-Gm-Message-State: ALoCoQmdtnInmsmd+JB9EZesm9QoWrNY5g1nkHbNsmDaKsbWKlzgImKz79l52xfa/zm2TE2Wz2U8 MIME-Version: 1.0 X-Received: by 10.60.174.170 with SMTP id bt10mr325459oec.47.1393731517959; Sat, 01 Mar 2014 19:38:37 -0800 (PST) Received: by 10.182.104.169 with HTTP; Sat, 1 Mar 2014 19:38:37 -0800 (PST) In-Reply-To: References: <1393594966.1149.161.camel@revolution.hippie.lan> Date: Sat, 1 Mar 2014 20:38:37 -0700 Message-ID: Subject: Re: A unified imx6 kernel config, old WANDBOARD-* configs going away From: Tom Everett To: Tim Kientzle Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.17 Cc: freebsd-arm , Ian Lepore X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Mar 2014 03:38:39 -0000 ok I figured out what the dtsi file is. I've got a bootable image here: http://files.khubla.com/freebsd-wandboard/FreeBSD-armv6-11.0-IMX6-r262666.img.gz and the boot log is here http://files.khubla.com/freebsd-wandboard/FreeBSD-armv6-11.0-IMX6-r262666.txt I put the dtb file on the FAT partition and loaded it using uEnv.txt. On Sat, Mar 1, 2014 at 6:01 PM, Tom Everett wrote: > I'm looking at the crochet code, and I see in freebsd_install_fdt that > both *.dtb and *.dts are supported. However on the source tree it's > imx6.dtsi. What's the difference b/t a dts file and a dtsi file? > > > > On Sat, Mar 1, 2014 at 8:41 AM, Tim Kientzle wrote: > >> >> On Feb 28, 2014, at 5:42 AM, Ian Lepore wrote: >> >> > I've added a new imx6 unified kernel config named IMX6. It has no >> > compiled-in fdt, and can boot all three flavors of Wandboard when u-boot >> > and ubldr load a dtb file. Folks should start using it and eventually >> > the WANDBOARD* configs will go away when nobody needs them anymore. >> >> Nice! Another step towards GENERIC ARM. >> >> > the .dtb file in your /boot/kernel or /boot/modules directory, and ubldr >> > will load it from there, using the filename set in the u-boot env var >> > fdt_file. >> >> Using a U-Boot env var to specify the FDT is a nice idea. >> >> > Unfortunately we can't do a single image that boots any wandboard, >> > because u-boot itself has to be different for each board. This is what >> > my u-boot env looks like on each wandboard: >> > >> > => printenv >> > baudrate=115200 >> > bootcmd=run ubnet >> > bootdelay=1 >> > console=ttymxc0 >> > fdt_file=wandboard-dual.dtb >> > loadaddr=11000000 >> > loaderdev=net >> > ubmmc=fatload mmc 0 ${loadaddr} ubldr; bootelf >> > ubnet=dhcp ${loadaddr} /wand/boot/ubldr;bootelf >> > >> > Environment size: 265/8188 bytes >> > >> > The only thing that differs per-board is the fdt_file setting, and the >> > u-boot binary itself. >> >> If you could get to a single U-Boot binary, you might >> be able to do what BeagleBone does: The U-boot.env >> script detects the board variation and conditionally >> loads the correct DTB blob. >> >> Tim >> >> _______________________________________________ >> freebsd-arm@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-arm >> To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" >> > > > > -- > A better world shall emerge based on faith and understanding - Douglas > MacArthur > -- A better world shall emerge based on faith and understanding - Douglas MacArthur