From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 0CC01DDDA1 for ; Thu, 26 Mar 2009 11:02:10 +1100 (EST) Subject: Re: [PATCH 04/57] microblaze_v7: Open firmware files From: Benjamin Herrenschmidt To: avorontsov@ru.mvista.com In-Reply-To: <20090323205305.GA10576@oksana.dev.rtsoft.ru> References: <1237408284-8674-1-git-send-email-monstr@monstr.eu> <4b5aee01d11fc790c7842838ea63a82ee3273003.1237407249.git.monstr@monstr.eu> <200903231951.23902.arnd@arndb.de> <20090323205305.GA10576@oksana.dev.rtsoft.ru> Content-Type: text/plain Date: Thu, 26 Mar 2009 11:01:39 +1100 Message-Id: <1238025699.25062.756.camel@pasglop> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, monstr@monstr.eu, linux-kernel@vger.kernel.org, Arnd Bergmann , john.williams@petalogix.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2009-03-23 at 23:53 +0300, Anton Vorontsov wrote: > It took me approx. 4 hours to factor out the code and make a > proof-of-concept FDT support for a little-endian ARM platform. ;-) > (The device tree was only describing a cpu and a nor flash, though. > No support for interrupt- and gpio-controllers. And no support for > U-Boot, I just built the dtb file into the kernel). ARM could benefit tremendously I believe from a similar virtualized interrupt mapping & OF tree to powerpc for their gazillions of weirdly cascaded interrupt controller setups :-) Ben.