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Re: Memory Mapped register access in 80321


Hello Mark,

     The map cleared several of my doubts :-).

Thanks and Regards

Quoting Mark Salter <msalter@redhat.com>:

> >>>>> normanlaose  writes:
> 
> > Hello Mark,
> >       Thanks for the response.
> 
> >       I am curious. In Linux, I have to access these
> address
> > using virtual address got from the ioremap(). I thought
> there
> > was concept of virtual address in Redboot. Please correct
> me.
> 
> RedBoot does use virtual addresses. Almost everything on
> the
> '321 boards are identity mapped. Take a look at:
> 
>  
> http://sources.redhat.com/ecos/docs-latest/ref/iq80321.html
> 
$lanàí³À§³;
> 
> scroll down to the bottom for tables showing the physical
> and virtual addresses used by eCos and RedBoot.
> 
> --Mark
> 


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