[coreboot] Resource allocation

Myles Watson mylesgw at gmail.com
Tue Nov 11 15:44:32 CET 2008

> -----Original Message-----
> From: ron minnich [mailto:rminnich at gmail.com]
> Sent: Monday, November 10, 2008 3:48 PM
> To: Myles Watson
> Cc: Coreboot
> Subject: Re: [coreboot] Resource allocation
> In theory split resources can happen. In practice it never has. The
> only real split is legacy IO/mem/vga. They are always supported on
> every chipset to date by a 'decode legacy range' bit.
> So, in practice, the extensive capabilities of the resource stuff have
> not, as far as I know, every really been used. It always comes down
> to'contiguous memory range' 'contiguous prefmem range' 'contiguous IO
> range'

Thanks Ron.  After reading your answer I thought about the fact that there
is only one BAR on a bridge for each type of resource, and the split
resource idea didn't make as much sense.


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