From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TIfQZ-0006F4-06 for barebox@lists.infradead.org; Mon, 01 Oct 2012 12:48:52 +0000 Date: Mon, 1 Oct 2012 14:48:45 +0200 From: Sascha Hauer Message-ID: <20121001124845.GQ1322@pengutronix.de> References: <1348973437-31132-1-git-send-email-vicencb@gmail.com> <1348973437-31132-7-git-send-email-vicencb@gmail.com> <20120930140225.GR26553@game.jcrosoft.org> <20120930152919.GT26553@game.jcrosoft.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 6/9] omap4: add usb boot support To: vj Cc: barebox@lists.infradead.org Please do not top post. On Sun, Sep 30, 2012 at 06:00:06PM +0200, vj wrote: > It's out of my control: > The OMAP4 processor has an internal ROM which is in charge of the USB port > for booting. > Once the user application is running the USB communications are not closed > and can be reused by the user application through the ROM public API. > The OMAP4 ROM is implemented in a way it requires interrupts enabled. That explains why changing the vector address does not work with the ROM code. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox