From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.ebshome.net (gate.ebshome.net [208.106.21.240]) (using TLSv1 with cipher EDH-RSA-DES-CBC3-SHA (168/168 bits)) (Client CN "gate.ebshome.net", Issuer "gate.ebshome.net" (not verified)) by ozlabs.org (Postfix) with ESMTP id BBC11DE115 for ; Thu, 29 Nov 2007 06:54:10 +1100 (EST) Date: Wed, 28 Nov 2007 11:47:27 -0800 From: Eugene Surovegin To: Benjamin Herrenschmidt Subject: Re: [PATCH 2/2] [PPC 44x] enable L2-cache for ALPR, Katmai, Ocotea, and Taishan Message-ID: <20071128194727.GA22325@gate.ebshome.net> References: <1416528026.20071107014041@emcraft.com> <1196120506.7157.18.camel@pasglop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1196120506.7157.18.camel@pasglop> Cc: linuxppc-dev@ozlabs.org, sr@denx.de, dzu@denx.de List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Nov 27, 2007 at 10:41:46AM +1100, Benjamin Herrenschmidt wrote: > BTW... Do you know why we can't just enable HW snoop ? The 440SPe > documentation seems to indicate that this is supported by the L2 cache > via snooping on the PLB. Unless something has been changed significantly in the 44x port, but L2 cache code I wrote for 440GX did exactly this - we never needed any manual L2 cache management at all. -- Eugene