From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.theptrgroup.com (mail.theptrgroup.com [71.178.251.9]) by ozlabs.org (Postfix) with ESMTP id 3D804B6EF7 for ; Wed, 23 Jun 2010 07:28:03 +1000 (EST) Received: from [10.11.13.50] (unknown [10.11.13.50]) by mail.theptrgroup.com (Postfix) with ESMTP id 6B3641E002 for ; Tue, 22 Jun 2010 17:28:01 -0400 (EDT) Message-ID: <4C212ADA.3070409@ThePTRGroup.com> Date: Tue, 22 Jun 2010 17:27:54 -0400 From: Chuck Meade MIME-Version: 1.0 To: linuxppc-dev@lists.ozlabs.org Subject: Re: UCC UART References: <4C20CECB.9050609@mlbassoc.com> <4C20D27D.5000503@ThePTRGroup.com> <4C20D34A.80202@mlbassoc.com> <4C20D699.1080404@ThePTRGroup.com> <4C20DABA.5030301@mlbassoc.com> <4C20DC5F.80902@ThePTRGroup.com> <4C20F671.9090605@mlbassoc.com> <4C20FDA0.5050208@ThePTRGroup.com> <4C2103DE.6020801@mlbassoc.com> <4C210892.3040503@ThePTRGroup.com> <4C2128E6.7010201@mlbassoc.com> In-Reply-To: <4C2128E6.7010201@mlbassoc.com> Content-Type: text/plain; charset=us-ascii List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , >> Also in the current Linux kernel, there is a dependence on the >> correctness >> of the "brg-frequency" property from the dts. Look up above >> qe_setbrg() at >> the qe_get_brg_clk() function. Before the return (there are multiple >> return >> points) printk the brg_clk being returned. That must be correct for your >> hardware -- must be the actual brg freq. I assume that you are >> booting from >> U-Boot. I believe in modern implementations that U-Boot fills in the >> brg-frequency in the device tree at boot time. > > The driver claims to work with either bus-frequency or brg-frequency set. > I only had bus-frequency; when I set brg-frequency, it has started to work. > Now to test it with a scope to see what else is wrong... > > BTW, I use RedBoot - being the original author, how could I not? > > Thanks for the help No problem -- I am glad it is working for you now. Chuck Meade chuck@ThePTRGroup.com