From mboxrd@z Thu Jan  1 00:00:00 1970
From: Graeme Russ <graeme.russ@gmail.com>
Date: Tue, 07 Jun 2011 21:28:54 +1000
Subject: [U-Boot] CONFIG_SYS_FLASH_USE_BUFFER_WRITE breaks writing with
 M29W640 parts
In-Reply-To: <201106071022.47716.sr@denx.de>
References: <201106061826.06514.vapier@gentoo.org>
	<201106071022.47716.sr@denx.de>
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To: u-boot@lists.denx.de

On 07/06/11 18:22, Stefan Roese wrote:
> Hi Mike,
> 
> On Tuesday 07 June 2011 00:26:05 Mike Frysinger wrote:
>> i started playing with the CONFIG_SYS_FLASH_USE_BUFFER_WRITE option, and it
>> seems to work fine with an intel strataflash.  but when i tried using it
>> with an ST M29W640 part, no writes are ever committed to the flash.
>>
>> are there any known gotchas with this code before i start poking further ?
> 
> Not that I am aware of. I am using it on all my Intel/Numonyx and AMD/Spansion 
> NOR flash equipped boards without any issues. I don't remember using it on a 
> ST device though. Not sure what's going wrong there, sorry.
> 

I'm running a combination of Intel StrataFlash and AM29LV040B (equivalent
to ST29LV040B) and I cannot enable CONFIG_SYS_FLASH_USE_BUFFER_WRITE either
- I don't think the AM29 device supports it :(

Regards,

Graeme