[U-Boot] CFI flash broken for 8-bit bus

[Albert ARIBAUD]

Le 30/03/2011 10:01, Rogan Dawes a écrit :
> 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. :-)

I also would like to see these patches, even in RFC form. Maybe it could 
fix the way the MX29LV400CB is detected on ED Mini V2 and will allows 
removing legacy code for this board.

> Regards,
>
> Rogan

Amicalement,
-- 
Albert.