From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matteo Canella Date: Tue, 16 Dec 2008 11:06:19 +0100 Subject: [U-Boot] MPC5121 MSCAN Peripheral in U-Boot In-Reply-To: <20081216095118.171AC832E8A1@gemini.denx.de> References: <000901c95f58$36a73ba0$a3f5b2e0$@canella@selcomgroup.com> <20081216095118.171AC832E8A1@gemini.denx.de> Message-ID: <001401c95f65$f0f16fa0$d2d44ee0$@canella@selcomgroup.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Wolfgang, I need the CAN driver in the boot loader because I need to handle a CAN request in a very short time... I doubt I can boot Linux and make the CAN driver work in the order of a few hundreds of milliseconds... Matteo Canella -----Original Message----- From: Wolfgang Denk [mailto:wd at denx.de] Sent: marted? 16 dicembre 2008 10.51 To: Matteo Canella Cc: u-boot at lists.denx.de Subject: Re: [U-Boot] MPC5121 MSCAN Peripheral in U-Boot Dear Matteo, In message <000901c95f58$36a73ba0$a3f5b2e0$@canella@selcomgroup.com> you wrote: > > I'm implementing a driver for the MSCAN peripheral of the mpc5121 in Das > U-Boot. > > I'm wondering if there's anyone who has already done some work on it. What would be the purpose of such a driver? In the boot loader? Wouldn't it make much more sense to focus on accelerating the Linux boot time and use the existing socketcan driver there? Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de I know engineers. They love to change things. - Dr. McCoy