From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Tue, 16 Dec 2008 17:36:02 +0100
Subject: [U-Boot] [PATCH 0/2] CFI: increase performance
In-Reply-To: <20081216162453.2866.750.stgit@tq-sewsrv-4.tq-net.de>
References: <20081216162453.2866.750.stgit@tq-sewsrv-4.tq-net.de>
Message-ID: <20081216163602.GC24266@game.jcrosoft.org>
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On 17:25 Tue 16 Dec     , Jens Gehrlein wrote:
> Hi list,
> 
> The following patches should increase the performance of the CFI driver,
> particularly with regard to single word programming mode.
> 
> I tested it on TQM5200S with NOR-Flash Samsung K8P2815UQB, which has no
> write buffer. At least no write buffer, that could be programmed using
> standard commands.
> 
> Performance increase on this TQM is about factor 2.6 (37 KiB/s -> 95 KiB/s).
> On the same module with Spansion S29GL128N (with write buffer) it is about
> factor 1.2 (455 KiB/s -> 585 KiB/s).
> 
> TQM5200 is a bottom boot module with 2x16 Bit Flash connection. Could someone
> test the patches on other HW, particularly top boot, other CPU, other flash
> width, please?
Could you try it against the qemu SVN HEAD

Best Regards,
J.