From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.186]) by ozlabs.org (Postfix) with ESMTP id 12938DDDFD for ; Sat, 15 Sep 2007 23:42:29 +1000 (EST) Message-ID: <46EBE143.60106@anagramm.de> Date: Sat, 15 Sep 2007 15:42:27 +0200 From: Clemens Koller MIME-Version: 1.0 To: Nicholas Hickman Subject: Re: SPI INT line References: <8140AAF341CC904BA92C3D6A5A1909782F0E9D@ditech-1.ditechllc.com> In-Reply-To: <8140AAF341CC904BA92C3D6A5A1909782F0E9D@ditech-1.ditechllc.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Nicholas Hickman schrieb: > We are developing a system around the mpc8270. On this system we are > using an ISDN controller connected to the SPI interface of the 8270. > For the INT line coming from the controller, should this be connected to > one of the IRQ lines that we typically use for PCI bus, or should we > connect it to one of the GPIO Group C pins? Currently we have it to > IRQ4, but I am worried that this is incorrect. I would use an otherwise unused (even in reference 82xx platforms) IRQ line and have a look into the kernel and see which IRQs are free so minimize/eliminate extra patches. Regards, -- Clemens Koller _______________________________ R&D Imaging Devices Anagramm GmbH Rupert-Mayer-Str. 45/1 81379 Muenchen Germany http://www.anagramm-technology.com Phone: +49-89-741518-50 Fax: +49-89-741518-19