From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1Vuq6S-0001gI-M8 for mharc-grub-devel@gnu.org; Sun, 22 Dec 2013 15:58:24 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53527) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vuq6L-0001fK-8k for grub-devel@gnu.org; Sun, 22 Dec 2013 15:58:23 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Vuq6F-0002zr-Uk for grub-devel@gnu.org; Sun, 22 Dec 2013 15:58:17 -0500 Received: from mail-ea0-x232.google.com ([2a00:1450:4013:c01::232]:65133) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vuq6F-0002zg-N4 for grub-devel@gnu.org; Sun, 22 Dec 2013 15:58:11 -0500 Received: by mail-ea0-f178.google.com with SMTP id d10so1990757eaj.37 for ; Sun, 22 Dec 2013 12:58:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type; bh=t75axG16GLi6cwWjJtHCBjGg0TKVug/KO3r7M3tmwnM=; b=i+mEqeZZgilI+6T8TuQH58t/1VZB/bTacvL5vSKu9B0gpl12bPzZIlZgKonOgY7yd4 XW3abdudoLMujF+DFLesyGL7ZgezLxvu2Lv6TZdUcAElQZStNpWkTbTjsYCgA9BiU+5g DLQz9KVgRd7v1XEObIR1hN3gPkjQQSyXLpOGa/BvxnSpR/4tqKWc2E47fzX5DK4NXP7M KvI5MOogBQuob2t8N7GThyxTFYus/vinGwkACrEfa51wj3rSfqa1sV0mpxtXrlXyBgX2 lRzlL5ak5P+Nfkq5P+d4160ZaIn4uXqA5bCHIcKoj3zKriYlKtGblJ/zsWlS7sPG7FBC nWrA== X-Received: by 10.14.53.14 with SMTP id f14mr4126967eec.105.1387745890689; Sun, 22 Dec 2013 12:58:10 -0800 (PST) Received: from [192.168.1.16] (85-188.196-178.cust.bluewin.ch. [178.196.188.85]) by mx.google.com with ESMTPSA id p45sm39617176eeg.1.2013.12.22.12.58.09 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 22 Dec 2013 12:58:09 -0800 (PST) Message-ID: <52B75261.307@gmail.com> Date: Sun, 22 Dec 2013 21:58:09 +0100 From: =?UTF-8?B?VmxhZGltaXIgJ8+GLWNvZGVyL3BoY29kZXInIFNlcmJpbmVua28=?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131103 Icedove/17.0.10 MIME-Version: 1.0 To: grub-devel@gnu.org Subject: Re: ARM kernel parameters References: <52B62812.2020405@gmail.com> <20131222194138.GG22356@rocoto.smurfnet.nu> In-Reply-To: <20131222194138.GG22356@rocoto.smurfnet.nu> X-Enigmail-Version: 1.6 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="e5VheJ2Axlj7QDiPQTpbSwI29ToabadxJ" X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2a00:1450:4013:c01::232 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Dec 2013 20:58:23 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --e5VheJ2Axlj7QDiPQTpbSwI29ToabadxJ Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 22.12.2013 20:41, Leif Lindholm wrote: > On Sun, Dec 22, 2013 at 12:45:22AM +0100, Vladimir '=CF=86-coder/phcode= r' Serbinenko wrote: >> Hello, all. I've been able to boot Linux on my raspberry pi, after >> fixing several bugs in loader. But for this I had to have a line like:= >> linux /kernel_cutdown.img dma.dmachans=3D0x???? bcm2708_fb.fbwidth=3D6= 56 >> bcm2708_fb.fbheight=3D416 bcm2708.boardrev=3D0xe bcm2708.serial=3D0x??= ?????? >> smsc95xx.macaddr=3D??:??:??:??:?? dwc_otg.lpm_enable=3D0 >> console=3DttyAMA0,115200 kgdboc=3DttyAMA0,115200 console=3Dtty1 >> root=3D/dev/mmcblk0p2 rootfstype=3Dext4 rootwait >=20 > Urgh... >=20 >> When using standard bootloader the part >> dma.dmachans=3D0x???? bcm2708_fb.fbwidth=3D656 bcm2708_fb.fbheight=3D4= 16 >> bcm2708.boardrev=3D0xe bcm2708.serial=3D0x???????? >> smsc95xx.macaddr=3D??:??:??:??:?? >> is added automatically. The part >> dwc_otg.lpm_enable=3D0 console=3DttyAMA0,115200 kgdboc=3DttyAMA0,11520= 0 >> console=3Dtty1 root=3D/dev/mmcblk0p2 rootfstype=3Dext4 rootwait >> comes from cmdline.txt. >> >> It's not possible to tell for sure then one ends and the other starts.= >> Does anyone see any problem with prepending the arguments GRUB itself >> received to the kernel command line on all platforms using ATAGs? >=20 > The current arm support is heavily geared towards FDT, but permits > ATAGs to be passed on unmodified. Adding the ability to modify the > command line would certainly make sense. >=20 And override initrd tag. That what trunk currently does: appends parameters and overrides initrd tag. > Making the linux command append instead of replace the command line > could make life interesting. If the u-boot bootargs happen to include=20 > basic options such as root=3D, then Linux's behaviour may not be obviou= s. But wouldn't it be overriden by later explicit parameter supplied from command line? > So while potentially simplifying the life of the user, it also > increases the amount of awareness they need to have over the U-Boot/ > GRUB/Linux interaction. >=20 > / > Leif >=20 > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/grub-devel >=20 --e5VheJ2Axlj7QDiPQTpbSwI29ToabadxJ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (GNU/Linux) Comment: Using GnuPG with Icedove - http://www.enigmail.net/ iF4EAREKAAYFAlK3UmEACgkQmBXlbbo5nOugQgD+JN8UYvgDs/dj8Y/2BGwVDBAs AOL5AMCE0+joz9LexmcBAKgJVKHtENpuEiOpqYMpBA2Mv2vjKshRr39m0vOEBwLU =9jJq -----END PGP SIGNATURE----- --e5VheJ2Axlj7QDiPQTpbSwI29ToabadxJ--