Re: newbie: fb specs and indirect VRAM access

[Geert Uytterhoeven <geert@linux-m68k.org>]

On Thu, 21 Aug 2008, Jaya Kumar wrote:
> On Thu, Aug 21, 2008 at 8:54 AM, Geert Uytterhoeven
> <geert@linux-m68k.org> wrote:
> > On Thu, 21 Aug 2008, Jorge Marques Pelizzoni wrote:
> >> Jorge Marques Pelizzoni escreveu:
> >> > I am considering implementing a frame buffer device for a mobile platform
> >> > (LPC2400 on uCLinux) that, as far as I can tell, seems to lack one. Well,

> > linux/Documentation/fb/deferred_io.txt
> 
> One note about this. If you're using LPC2400, I think that's an ARM7.
> TDMI so no MMU which I think matches your mention of uclinux.
> Unfortunately, defio has a dependency on MMU. There are other
> possibilities to achieve the same effect but I'm not familiar with the
> 2400 and I'm not sure if it can do it.

Oops, sorry, didn't notice that part. Yes, it depends on the presence of
a MMU.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds

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