Linux on PPC

[Rune Torgersen]

> From: David Hawkins [mailto:dwh at ovro.caltech.edu] 
> Sent: Friday, March 03, 2006 14:07
> To: Rune Torgersen
> Cc: linuxppc-embedded at ozlabs.org
> Subject: Re: Linux on PPC
> 
> 
> >>Right, thats I made sure to say; Physical Memory Map.
> >>
> >>For example, on the Artesyn manual on their PrPMC they give a
> >>physical memory map, and in the Yosemite board, there is a
> >>physical memory map. I know many of the memory areas can be
> >>redefined in hardware to have a different memory location, but
> >>its still a physical address.
> >>
> > 
> > Still not right. Even the physical memory is software settable. What
> > matters is what chip-select things are hooked up to, and 
> then map those
> > chip selects correctly (size, base address, access with and so on)
> 
> Hi Rune,
> 
> Thanks for responding.
> 
> Thats what I meant with 'redefined in hardware'. But yes, redefined
> up to the limit of the wiring on the board of course (chip-selects
> and bus widths). That's where having the board schematic is
> invaluable.

> Does that sound right?

Yes.