From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Gehrlein Date: Tue, 16 Dec 2008 17:46:54 +0100 Subject: [U-Boot] [PATCH 0/2] CFI: increase performance In-Reply-To: <20081216163602.GC24266@game.jcrosoft.org> References: <20081216162453.2866.750.stgit@tq-sewsrv-4.tq-net.de> <20081216163602.GC24266@game.jcrosoft.org> Message-ID: <4947DB7E.2030101@tqs.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Jean-Christophe PLAGNIOL-VILLARD schrieb: > 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 ??? Sorry, what is qemu SVN HEAD ??? P.S.: I still can't reply to your e-mail address... Kind regards, Jens