[coreboot] 870 attempt

[Jonathan A. Kollasch]

On Thu, Feb 24, 2011 at 02:14:07AM +0000, Jonathan A. Kollasch wrote:
> Hi,
> 
> I've attempted to use the rs780 and sb800 code on a AM3 870 + SB850
> board.  Raminit seems to go okay, as does the first bits of ramstage.
> However, ramstage fails after the first two passes through
> rs780_enable().  It stalls in get_vid_did() reading PCI config space
> of device 2 (or 4).  Also, the rs780 HT init code thinks the link should
> run at 200MHz, maybe that's related.
> 
> I'm aware that this code wasn't exactly intended for the 870,
> but maybe someone has some hints of what to try next.
> 

This turned out to be GLOBAL_RESET_GFX and GLOBAL_RESET_GPPSB being set.
I now get to the payload, but no SATA drives are detected, also, some
of the PCIe x1 ports (onboard and slots) aren't quite right yet ...

 	Jonathan Kollasch