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Re: NOR Flash memory write speed.

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>
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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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