| To: | Youngduk Goo <ydgoo9@gmail.com> |
|---|---|
| Subject: | Re: NOR Flash memory write speed. |
| From: | Eugene Surovegin <ebs@ebshome.net> |
| Date: | Tue, 12 Sep 2006 09:18:25 -0700 |
| Cc: | linux-mips@linux-mips.org |
| In-reply-to: | <38dc7fce0609120440o11c6a11ejf7f0a3cb1371bb40@mail.gmail.com> |
| Mail-followup-to: | Youngduk Goo <ydgoo9@gmail.com>, linux-mips@linux-mips.org |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <38dc7fce0609120440o11c6a11ejf7f0a3cb1371bb40@mail.gmail.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.5.8i |
On Tue, Sep 12, 2006 at 08:40:43PM +0900, Youngduk Goo wrote: > Hello, all > > I am developing the system using the NOR flash (32MB) and the core is > about 300MHz mips. > I wonder how long takes the whole erase and write time to flash memory. > I tried it on the bootloader. Firstof all, bootloader(YAMON) load the image > and erase the flash except bootloader region, write the image.. > It took about 14-16minutes.I think it is too long. > Yeah, this seems way too slow. Check if your chip supports "buffer write" mode and make sure software uses it. -- Eugene |
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