From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.10]) by ozlabs.org (Postfix) with ESMTP id 268D4B7C2E for ; Tue, 3 Nov 2009 18:33:23 +1100 (EST) To: Jignesh Patel From: Wolfgang Denk Subject: Re: enabling USB Host controller on ppc405ex based board MIME-Version: 1.0 Content-type: text/plain; charset=ISO-8859-1 In-reply-to: References: Date: Tue, 03 Nov 2009 08:33:18 +0100 Message-Id: <20091103073318.8FDEA3F6EC@gemini.denx.de> Cc: Mukunda Saddi , "linuxppc-dev@lists.ozlabs.org" , eldk@lists.denx.de List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Dear Jignesh Patel, please do not post the same messages several times to several mailing lists. In message you wrote: > > We have Kilauea based board using ppc405ex. & it has usb-otg > tranciever chip on it. > > I am trying to enable USB Host Controller Driver in linux kernel > (version DENX 2.6.27-stable). For this to be enabled, I also have to Please note that the Synopsys USB driver in our tree has not been maintained for a long time. Over time, it detoriated. Only recently we have put some more efforts into it to at least make it work again. It still is in a pretty poor state, which is the main reason we never attempted to push this upstream. [In my opinion it needs to be rewritten from scratch.] For the relevant changes please see for example http://git.denx.de/?p=linux-2.6-denx.git;a=commit;h=126bae384eacef18bcae302024d49e25a06cb648 > My questions are: > 1. Why is PCI config required for USB Host Controller options to be enabled in kernel config? > 2. What needs to be done to boot our board with PCI & USB enabled kernel? Please use a more recent kernel version - either use top of tree from the master branch of our repository, or a recent version from our 2.6.30.y or 2.6.31.y stable branches, i. e at least DENX-v2.6.30.3 or DENX-v2.6.31.4 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@denx.de Conceptual integrity in turn dictates that the design must proceed from one mind, or from a very small number of agreeing resonant minds. - Frederick Brooks Jr., "The Mythical Man Month"