Re: [microblaze-uclinux] problems with flatfs

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi Sigi,

Sigmund Homolya wrote:

> microblaze auto-config flash probe(0x21000000,8388608,2): 800000 at
> 21000000
> amd/fujitsu extended query table v1.0 at 0x0041
> flash: ....
> flash: ....
> number of cfi chips: 1
> 
> what I get instead is:
> 
> ....
> microblaze auto-config flash probe(0x21000000,8388608,4): 800000 at
> 21000000
> cfi: found no flash device at location zero
> ....
> 
> can you tell me where i can change the 'four' at the end of the brackets
> to a 'two' ?

That will be the flash bus width, it's set in the file
drivers/mtd/maps/mb_auto.c, around lline 45

#define BUS_WIDTH 4

change it to a 2, you should be right.

This probably should be a configuration parameter, might even be
possible to infer it in the auto-config architecture, so you don't have
to worry about it.  I'll give it some thought.

John



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