From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4FBCB89A.9090801@wanadoo.fr> Date: Wed, 23 May 2012 12:14:50 +0200 From: Thierry Bultel MIME-Version: 1.0 References: <4FBCB442.5030208@wanadoo.fr> <4FBCB64E.6090209@xenomai.org> In-Reply-To: <4FBCB64E.6090209@xenomai.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Subject: Re: [Xenomai] iMX6 support List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: xenomai@xenomai.org Le 23/05/2012 12:05, Gilles Chanteperdrix a =C3=A9crit : > On 05/23/2012 11:56 AM, Thierry Bultel wrote: >> Hi, >> >> We are looking in a replacement solution for our obsolete >> pentium-Celeron calculator. >> For many reasons, we would like to switch to the ARM architecture. >> The aimed CPU is the iMX6 Quadcore. >> >> Freescale provides a patched 2.6.35 and 2.6.38 kernel that do not have >> all the peripherals (the CAN seems to be missing) >> and Emtrion, a CPU module manufacturer, say they provide the additiona= l >> patches to have the complete BSP. >> It is likely a 2.6.35 only, though. > Xenomai for mx6q does not exist for linux 2.6.35. It only exists for > freescale branch for 2.6.38, or 3.0, as a separate set of patches to > apply before and after the Adeos patches for the vanilla kernel. For > further details, see ksrc/arch/arm/patches/README in xenomai 2.6 source= s. Thanks, yes, as I said, I am aware that the very first work for me will=20 be to get the non-xenomai 2.6.38 kernel fully working > Furthermore, we have some stability issues with Xenomai for mx6q with > 3.0, the issues looking a lot like an issue with cache. We would ned to > recheck 2.6.38 to see if it had the same issues, but I would bet it doe= s. > Actually my concern was to know if there were currently developments on that CPU. The fact that they are remaining bugs is not a concern, as long as they would be likely be corrected in the coming months. Do these bugs also exist on the mx6 single core ?