From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rogan Dawes <rogan@dawes.za.net>
Date: Wed, 30 Mar 2011 10:01:42 +0200
Subject: [U-Boot] CFI flash broken for 8-bit bus
In-Reply-To: <201103252332.39961.Aaron.Williams@caviumnetworks.com>
References: <201103172102.33681.Aaron.Williams@caviumnetworks.com>
	<201103232007.21642.Aaron.Williams@caviumnetworks.com>
	<4D8B785B.8060602@dawes.za.net>
	<201103252332.39961.Aaron.Williams@caviumnetworks.com>
Message-ID: <4D92E366.8080601@dawes.za.net>
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To: u-boot@lists.denx.de

On 2011/03/26 8:32 AM, Aaron Williams wrote:
> I am still doing some testing and just added a fix today so that if a flash 
> chip that supports both 8 and 16-bits is on an 8-bit bus the interface is set 
> to 8-bits. I'll try and get patches out next week.
> 
> So far it's working fairly well on all of our boards, most of which have an 8-
> bit bus but one has a 16-bit bus. I had to change all of the defined addresses 
> for AMD parts and calculate the 16 and 32-bit addresses by applying a mask.
> 
> The CFI code *should* work if there's an 8-bit part on a 16-bit bus, but it 
> probably will not support two 8-bit parts in parallel. That should be doable 
> with some work.
> 
> -Aaron

Hi Aaron,

I'm looking forward to seeing your patches. With any luck, they'll also
work on my board, and a nasty hack can go away. :-)

Regards,

Rogan