Jumping to LinuxBIOS

Eric W. Biederman ebiederman at lnxi.com
Thu Jan 16 14:26:01 CET 2003


sivakumar <sivakumar.subramani at wipro.com> writes:

> > Do I need to initialize the PAM (Programmable Attribute Map Register)?
> > 
> > it's a good idea. Some chipsets don't set to reasonable values and bad 
> > things can happen. At the same time I doubt this is your problem.
> 
> > I think you're getting the idea of how to do this.
> 
> I haven't gone through the PAM register throughly, I need to read the
> specification
> 
> Any tips on how to set the PAM register.

Say that all memory is RAM.  Except for possibly the legacy video hole.
0xa0000 - 0xc0000

> Also I have one question, along with this, I have some more registers like
> AGPCMD, AGPSTAT and etc..
> 
> to set the properties of the AGP port. Do I need to take care of these while
> configuring the DDR SDRAM.

It should not be necessary.




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