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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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