From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) by ozlabs.org (Postfix) with ESMTP id 2D91467BBE for ; Wed, 25 Oct 2006 02:02:16 +1000 (EST) In-Reply-To: <453E34FB.3030209@genesi-usa.com> References: <453771E5.4090808@bplan-gmbh.de> <77AD49CA-69CB-4ADA-B8F3-3BC3A066BCF9@kernel.crashing.org> <453884F5.4000804@bplan-gmbh.de> <122A4E06-B8A6-4256-B96E-3811EA93EA25@kernel.crashing.org> <453B6A84.3050209@bplan-gmbh.de> <1161585371.10524.444.camel@localhost.localdomain> <453CD615.4050401@genesi-usa.com> <17725.18623.768768.438157@cargo.ozlabs.ibm.com> <453E34FB.3030209@genesi-usa.com> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <324B0B81-6917-4CEF-B16A-E569B0727EB4@freescale.com> From: Becky Bruce Subject: Re: [PATCH] General CHRP/MPC5K2 Platform and drivers support - to comment Date: Tue, 24 Oct 2006 11:01:56 -0500 To: Matt Sealey Cc: linuxppc-dev@ozlabs.org, Paul Mackerras List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Oct 24, 2006, at 10:44 AM, Matt Sealey wrote: > > Paul Mackerras wrote: >> Matt Sealey writes: >> >> "PowerPC" is the name of the instruction set architecture, "POWER" is >> the name of some specific implementations of the PowerPC architecture >> made by a certain large multinational computer company. Unless >> you're >> talking about the really really old ISA that was the predecessor of >> PowerPC, that is. :) > > http://www.power.org/news/articles/new_brand/#isa > > I'm talking about the one they consolidated from all the different > specs > Freescale, AMCC and IBM had about what makes a PowerPC processor. > Since > POWER is part of it and it's all Power.org now.. they seem to have > changed > the name. > > I don't think they have actually added anything new, that wasn't there > before, just consolidated it. You won't seen an IBM chip with SPE > or VLE > unless they license the gaggle of patents Freescale have on those > units, maybe.. but there is always a possibility. All new chips are > being called Power (not POWER). > The ISA version 2.03 that you are talking about does, in fact, rename it to "Power ISA" (big "P" little "ower") from "PowerPC ISA". This spec is mostly a big glom of all of FSL and IBM's architecure documentation, although there were some minor changes made and some things were added. If you read the spec carefully (which, btw, I do *not* recommend, as it is about 900 pages of spaghetti documentation), you will find things in there that do not exist in any implemented processor to date. Cheers, B