From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail2.shareable.org ([80.68.89.115]) by bombadil.infradead.org with esmtps (Exim 4.68 #1 (Red Hat Linux)) id 1Kv9lf-0007O2-IF for linux-mtd@lists.infradead.org; Wed, 29 Oct 2008 12:03:20 +0000 Date: Wed, 29 Oct 2008 12:03:12 +0000 From: Jamie Lokier To: Josh Boyer Subject: Re: flash read performance Message-ID: <20081029120312.GA846@shareable.org> References: <20081029114256.GA2239@yoda.jdub.homelinux.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081029114256.GA2239@yoda.jdub.homelinux.org> Cc: Andre Puschmann , linux-mtd@lists.infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Josh Boyer wrote: > On Tue, Oct 28, 2008 at 11:14:05AM +0100, Andre Puschmann wrote: > >Hi list, > > > >I am currently trying to improve the flash read performance of my > >platform. It's a gumstix verdex board with a pxa270 running at 400MHz. > >My flash is a 16MB NOR Intel StrataFlash P30 (128P30T) and it's > >operating in the _normal_ asynchronous mode. In my opinion the read > >performance is very poor, only around 1.2 to 1.4 MB/s depending on the > >blocksize. I think it should be possible to get much higher transfer rates. > > Why do you think that? Take a look at: http://marc.info/?l=linux-embedded&m=122125638419881&w=2 http://marc.info/?l=linux-embedded&m=122149685932525&w=2 http://marc.info/?l=linux-embedded&m=122185227511786&w=2 -- Jamie