On Wed, 15 Apr 2009 17:40:56 -0500, <[email protected]> wrote: > bari wrote: > >> There are several i945 + Atom boards available. This way you can >> develop and test Atom on a working chipset and then work on the >> US15W. > > In my opinion, porting US15W may not be worthwhile, since it doesn't > support the SPI bus which would allow use of SPI NOR flash. US15W > supports FWH which Intel has already obsoleted, although It may have > contracted with third parties to supply FWH devices for this chip set. > > Also, this chipset almost requires an embedded controller to handle > power and translate between FWH and SPI bus to support SPI NOR devices. > Intel does offer a CPLD solution that avoids the use of the embedded > controller, but the CPLD would only permit reading of the SPI NOR > flash and absolutely no writing of it. > > The US15W also has it own microcode updating that the BIOS/firmware > must support. > > The i945/ICH7M would be a far better final target for an Atom chipset > and has none of the above mentioned issues. Of course you would need > to use Diamondville Atom rather Silverthorne Atom in this case. > > Good luck with your Poulsbo (US15W) port, assuming you are willing to > spend 6-9 months on it. It could be more or less than that depending > on the number of people working on it and their firmware experience. > Hey this is not very encouraging but very discouraging:-( But I'm sure Albert Einstein heard heard things like this every day! Mansoor, if you want to develop coreboot support for the Atom, I say go for it :-)
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