Re: [coreboot] [PATCH] Thomson IP1000 onboard memory selection

[Joseph Smith]

On 02/12/2010 01:50 PM, Peter Stuge wrote:
> Joseph Smith wrote:
> > > > > Is there no way to auto-detect it?
> > > >
> > > > Nope, The onboard memory does not have SPD, hence the spd array.
> > >
> > > First configure 128, then test if 65MB can store data, if not then
> > > fall back to 64.
> >
> > I guess, but that seems like alot of wasted boot time.....
>
> What are the numbers? Ie. how long does it take to do one MC config,
> for 64 or 128?

Well you would have to go though the whole raminit process to setup 128 
then do a read/write at 65MB, if that fails go through the whole raminit 
process again and setup 64. So basically raminit would take twice as 
long......