From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ww0-f49.google.com ([74.125.82.49]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QrPJu-0001br-6r for barebox@lists.infradead.org; Thu, 11 Aug 2011 07:04:47 +0000 Received: by wwf10 with SMTP id 10so1290192wwf.18 for ; Thu, 11 Aug 2011 00:04:43 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20110811062518.GZ31404@pengutronix.de> References: <20110811062518.GZ31404@pengutronix.de> Date: Thu, 11 Aug 2011 11:04:43 +0400 Message-ID: From: Antony Pavlov List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [RFC] add Tegra support to barebox To: Sascha Hauer Cc: barebox On 11 August 2011 10:25, Sascha Hauer wrote: > On Thu, Aug 11, 2011 at 12:24:27AM +0400, Antony Pavlov wrote: >> Hi! >> >> I have a Toshiba AC100 smartbook. It is based on Nvidia Tegra 250 T20 ch= ip. >> I want to port barebox to it. >> >> I have successfully built and run u-boot for AC100 from >> https://github.com/chpec/uboot-ac100.git. This u-boot version has lcd, >> serial port and USB support. >> There is another tegra support u-boot branch: >> https://github.com/muromec/uboot-tegra.git >> Also linux has satisfactory tegra support. >> >> I want to discuss source file organization for Tegra and AC100 support >> in the barebox. >> AFAIK tegra is not resemble to current arm machines, supported by barebo= x. >> >> For example, this is the comment from barebox tegra source code: >> >> /* >> =A0* Tegra2 uses 2 separate CPUs - the AVP (ARM7TDMI) and the CPU (dual = A9s). >> =A0* U-Boot runs on the AVP first, setting things up for the CPU (PLLs, >> =A0* muxes, clocks, clamps, etc.). Then the AVP halts, and expects the C= PU >> =A0* to pick up its reset vector, which points here. >> =A0*/ > > Does this mean you have to build two U-Boot binaries? AFAIK, no. > How big is the code that runs on the AVP? I can't say it just now. -- = Best regards, =A0 Antony Pavlov _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox