From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bilbo.ozlabs.org (bilbo.ozlabs.org [203.10.76.25]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "bilbo.ozlabs.org", Issuer "CAcert Class 3 Root" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id AB413DDFAF for ; Wed, 13 May 2009 12:36:20 +1000 (EST) Date: Wed, 13 May 2009 12:32:54 +1000 From: David Gibson To: "David H. Lynch Jr." Subject: Re: device trees. Message-ID: <20090513023254.GI24338@yookeroo.seuss> References: <4A07C664.6040609@dlasys.net> <4A085612.9050602@dlasys.net> <4A089AC8.9080704@dlasys.net> <20090512011219.GB18223@yookeroo.seuss> <20090512232446.GB24338@yookeroo.seuss> <4A0A109F.7070803@dlasys.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <4A0A109F.7070803@dlasys.net> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, May 12, 2009 at 08:13:19PM -0400, David H. Lynch Jr. wrote: > > > Are we all using the same meaning of firmware ? > > While firmware == BIOS is the norm for PC's Well, BIOS, or bootloader is what I'm meaning here. > atleast in the embedded FPGA space firmware could mean the FPGA > programing that creates the hardware. > For an FPGA based system a dtb generated by the same software that > created the "firmware" for the FPGA, > had better match the "hardware" exactly. Literally welding the > "firmware" to the dtb makes alot of sense. Well, yes, but FPGA based systems are not *that* common. And even in this case the devtree will only match the "hardware" exactly if the generator isn't buggy. -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson