[U-Boot] [PATCH] cfi_flash driver: fixed addressing for 8-bit flash buses.

Albert ARIBAUD albert.u.boot at aribaud.net
Tue Apr 12 10:14:22 CEST 2011


Hi Aaron,

Le 12/04/2011 09:53, Aaron Williams a écrit :
> This patch corrects the addresses used when working with Spansion/AMD FLASH
> chips.  Addressing for 8 and 16 bits is almost identical except in the 16
> bit case the LSB of the address is always 0.  The confusion arose because
> the addresses in the datasheet for the 16 bit mode are word addresses but
> the CFI driver assumed they were byte addresses.
>
> I have only been able to test this on our Octeon boards which use either
> an 8 or 16 bit bus.  I have not tested 32-bits or when there are multiple
> parts in parallel on a wider bus.
>
> Several other people have also reported success with this patch.
>
> -Aaron Williams
>
>
> Signed-off-by: Aaron Williams<aaron.williams at caviumnetworks.com>
> ---
>   drivers/mtd/cfi_flash.c |   66 +++++++++++++++++++++++++++++++---------------
>   include/mtd/cfi_flash.h |   43 ++++++++++++++++--------------
>   2 files changed, 67 insertions(+), 42 deletions(-)

That's V2 of http://patchwork.ozlabs.org/patch/89429/, isn't it ?
Then it should have V2 tag and patch history.

Amicalement,
-- 
Albert.


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