From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Reichel Subject: Re: ARM errata 430973 on multi platform kernels (was: OMAP3-N900: Add microphone bias voltages) Date: Sun, 5 Apr 2015 15:45:28 +0200 Message-ID: <20150405134528.GD9186@earth> References: <1425236828-28349-1-git-send-email-jarkko.nikula@bitmer.com> <20150405130045.GB9186@earth> <201504051526.14575@pali> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="BRE3mIcgqKzpedwo" Return-path: Received: from mail.kernel.org ([198.145.29.136]:38214 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751320AbbDENp7 (ORCPT ); Sun, 5 Apr 2015 09:45:59 -0400 Content-Disposition: inline In-Reply-To: <201504051526.14575@pali> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Pali =?iso-8859-1?Q?Roh=E1r?= Cc: Robert Nelson , Tony Lindgren , "linux-omap@vger.kernel.org" , Pavel Machek , "linux-arm-kernel@lists.infradead.org" --BRE3mIcgqKzpedwo Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Sun, Apr 05, 2015 at 03:26:14PM +0200, Pali Roh=E1r wrote: > > > > Yes so it seems, and the bootloaders should really set it. > > > > It's also disabled for multiplatform builds. > > >=20 > > > These are now done in u-boot as of: v2015.04-rc4 > > >=20 > > > http://git.denx.de/?p=3Du-boot.git;a=3Dcommit;h=3Dc6f90e1418a84fe5 > > > fa463b38403bd1845cb6a59c > >=20 > > Seems like "include/configs/nokia_rx51.h" has been forgotten. > > Note, that the kernel must still be able to enable the bit > > itself (in case NOLO is used without u-boot). >=20 > You must not expect that bootloader set something. Nokia N900 has=20 > closed and signed bootloader which cannot be easily replaced and=20 > or fixed. >=20 > For N900 there is U-Boot but it does not support lot of things=20 > (load kernel via usb or serial) so for developers it is better to=20 > use original Nokia bootloader. Yes, I'm aware of that. I think having the IBE bit set in u-boot has advantages nevertheless. I think the kernel can't enable the bit sufficiently early if its compiled in thumb-mode itself (CONFIG_THUMB2_KERNEL). So I suggest to enable the IBE bit in the kernel (that part is already done) *and* in u-boot. -- Sebastian --BRE3mIcgqKzpedwo Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCgAGBQJVITx4AAoJENju1/PIO/qap7wP/32vyCSoRJ6VtmypxR2tUJzL U2VEyFdDNed/O1TqB9mDzycCdhYuXIyQc+8dAXWaDiFDxeZ/9eKN7ECU4SlJNeTF gW5NHF/NkkbMv2n3NFtamV0IqRxgci4hN05tOorwSAutZkjDY1L6ZVwooOarX3Fa WP5wuPlFN0DcoONeSpLbH/rUxdZaaSeUXzf6YXFfD7PGVpumWyqvgySOU1ldqbi9 7HeZNX0FWf+cWpipwPDf7RHqeUFpeuuq1PTMV/N/7/h5wPdRwzsuJv45YmA1i4sd 9pTm3q1axE74c7fHOOx1jpr9Nx2fXSiMXKz7/0InORPbTWu9AgcgDi2VBTGySSAG zJQ4Fyi+PZzeUMPQdIfMsR+i5T6CD8riE+X2mqyjGwEm93+AENPjzc9abMjOPb5L gQvUp/Owe/L6tDiz1TmDIVNPjX28TJ1Wge687xi1/T6JTfahYhHSzpkQTROLWKtC 8XM3Sj9dBAe+wrkTrXPr4aws9mOK1DzW8W8enkaULZE6mWJU75EQZCqKm3caCdpi u/8K/T/qtRdw9YOVJdccDvD8WnlDIeUezMYukHraWyWL5V3jKmbphIqa0Eet3Gdr HYynQ1j6+JoPAswoxs8FF86kprP4qw9DpRqHWyFbsY4JKoNwA0ma9scg3l+Y1m+Q JwVnR+mqk1BA//KfNYVL =eMnt -----END PGP SIGNATURE----- --BRE3mIcgqKzpedwo--