low level shell

[Eric W. Biederman]

"Ronald G. Minnich" <rminnich at lanl.gov> writes:

> On Wed, 27 Oct 2004, Eric W. Biederman wrote:
> 
> > The other trick that helps is to hard code the memory configuration and
> > put that in the fallback image.  And then use a second copy of linuxbios
> > to develop new code.  At least that way you don't need to swap the rom
> > chip.
> 
> some times that works, sometimes not. On the i855gm, hardcoding did not 
> seem to work -- there's something dynamic you have to do, evidently, and 
> just setting in the registers was not it.

I guess what I meant was that you can hard code the values that
only change when you swap dimms.  This means you don't initially need
to look at SPD and all of that jazz when you first start bringing
your memory up.

Eric