From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from exprod5og110.obsmtp.com (exprod5og110.obsmtp.com [64.18.0.20]) by ozlabs.org (Postfix) with SMTP id DEB5DB7188 for ; Wed, 1 Jun 2011 13:57:08 +1000 (EST) Received: by pxi16 with SMTP id 16so3087367pxi.32 for ; Tue, 31 May 2011 20:57:06 -0700 (PDT) From: Tirumala Marri References: <1302286930-9988-1-git-send-email-ayman@elkhashab.com> <1302306484.2458.64.camel@pasglop> <178c7df4696bacdd1510bacae143222a@mail.gmail.com> <20110429170240.GA21384@crust.elkhashab.com> <1304109476.2513.243.camel@pasglop> <1304487166.2513.351.camel@pasglop> <20110509160935.GA14965@crust.elkhashab.com> <6a09a426f126fb315b773fc207d68eb9@mail.gmail.com> <1306208412.7481.214.camel@pasglop> <20110527165108.GA1752@crust.elkhashab.com> In-Reply-To: <20110527165108.GA1752@crust.elkhashab.com> MIME-Version: 1.0 Date: Tue, 31 May 2011 14:27:19 -0700 Message-ID: Subject: RE: [PATCH 0/1] ppc4xx: Fix PCIe scanning for the 460SX To: Ayman El-Khashab , Benjamin Herrenschmidt Content-Type: text/plain; charset=ISO-8859-1 Cc: linuxppc-dev@lists.ozlabs.org, Paul Mackerras List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Not sure how I would know -- But with my eiger kit, I got a cd from amcc that had a patched 2.6.30 or something kernel in it to support the 460SX. The pci code was basically subverted by adding a "port->link=1" at the very end of the link check to always force it to succeed. However this code never appeared in the public git repositories, so I am not sure how the 460SX functioned (if it ever did) since the link check that is in there now can't work on that SOC. [marri]I don't know what PCI-E devices you use. We use E1000 As a device for testing. Link-up was working before the submission. There were some changes happened afterwards to the common code Which seems to affected all 4xx devices. I will try latest code On our other SoCs. I took care of that in my patch. Basically it let the system go to gen-2 speeds and negotiate down. [marri] Great thx.