From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Reichel Subject: Re: runtime check for omap-aes bus access permission (was: Re: 3.13-rc3 (commit 7ce93f3) breaks Nokia N900 DT boot) Date: Sun, 8 Dec 2013 00:03:06 +0100 Message-ID: <20131207230305.GA9103@earth.universe> References: <20131206213613.GA19648@earth.universe> <201312070918.32471@pali> <20131207134818.GA933@earth.universe> <201312071457.38836@pali> <20131207165104.GD11015@atomide.com> <20131207184958.GB3704@earth.universe> <20131207211137.GR26766@atomide.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="7JfCtLOvnd9MIVvH" Return-path: Received: from ring0.de ([91.143.88.219]:49411 "EHLO smtp.ring0.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754726Ab3LGXDj (ORCPT ); Sat, 7 Dec 2013 18:03:39 -0500 Content-Disposition: inline In-Reply-To: <20131207211137.GR26766@atomide.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Tony Lindgren Cc: Pali =?iso-8859-1?Q?Roh=E1r?= , linux-omap@vger.kernel.org, Aaro Koskinen , Joel Fernandes --7JfCtLOvnd9MIVvH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Dec 07, 2013 at 01:11:37PM -0800, Tony Lindgren wrote: > > I asked Pali to send me his copy of the updated NOLO bootloader, > > so that I can test this. I just checked the omap documentation > > (I only have access to the public one) and crypto related stuff > > is not documented for the L3_PM_READ_PERMISSION register. There > > are a couple of reserved bits, which may be used for this, though. > >=20 > > I also CC'd Joel Fernandes, since he worked on the driver before and > > may have access to the documentation. >=20 > Looks like at least the 36xx public version referenced here has them: >=20 > http://www.spinics.net/lists/linux-omap/msg21857.html >=20 > I'd assume the registers are the same for 34xx since we don't have > them defined separately in the kernel. I can't find it in the omap36xx documentation either. Maybe I search at the wrong position. I tried to find something crypto related in Table 9-89. L3_PM_READ_PERMISSION_i -- Sebastian --7JfCtLOvnd9MIVvH Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (GNU/Linux) iQIcBAEBCAAGBQJSo6kpAAoJENju1/PIO/qaGkoQAKc0rM0PnIEc7NAQaWCfUe2J slSnftQH09lXJQ2vkjTU7eThWkOZI5RPjH2ykSu4z7F3AOQfzvcUU9zGl5Ke5Suu Vfmi/qcY8I3nbEyodB9wmDwaoHqWRPfombg7BG7IZNoZIZ7JVI0892RGYc0FXNpV MWkmglrOE1D+JNoEU/YG4/U0vczLG9kXx+TMe1hSV6zTxPeDbrq9ojWMOnc0h39D 3eBdum38X+mv+v+JgtAOW3MhJfnIrBoHJR8+ao0NaOG1CzNqp8WBkN4B7ScgBTS/ FEh8wfYxI0WhYEFKpbDbGDpBLVtOzZHPbYYDKjYgF9JYLnTto7mXTrjGnb9Q2FQK VQr765RuOnNiddSfc+mLTgMNer+EoTMLXC3oCHRO1+5eXWufnIgUNTRlFqcaPP+9 FnXZ6klBOGJXSPazfogP3BCjcrc8/VLiM1k51EG476l4N9nwZTKg4aB5wVrojS1v OV5Gn/ZFXwvRl3hJuXIX/Iuq95FXVM+0NOClvoCyc7ifJkl6YRWtAg7FLpikyYMB 8PN0y5ybxuwAni4rWqk9XwwYG+qBsqQcXbUry+FLMY08Cut5k527FM2Guek0ZpR2 JaKQ0UCC4KjmPvUKDKjzuc5BKPtw1jBDlIHJUdA2ord3qCX19RDXKYIFk7VeHjAx +UjCLcS+9Xo9hNORxiv/ =70zG -----END PGP SIGNATURE----- --7JfCtLOvnd9MIVvH--