Re: How can I prevent MTD to access the end of a flash device ?

[Nicolas Pitre]

On Thu, 24 Nov 2005, Franck wrote:

> > Yes.  It was tested on ARM only though.  Some architectures like i386
> > for example might need special tricks to implement this.
> >
> 
> do you know why ?

Apparently i386 might have issues having two virtual mappings for the 
same physical address range.  This can be worked around in the map 
driver by relying on the knowledge of flash aliases on the bus.

> What was the gain on ARM ?

The ability to use burst transfers which are only activated with cached 
memory, hence twice the read speed or more.


Nicolas
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