[coreboot] Porting to RS780/SB700 board
mylesgw at gmail.com
Wed Apr 28 15:26:26 CEST 2010
> I'm attempting to port Coreboot to an Asus M4A78XTD board, which has
> an RS780/SB700 chipset with a socket AM3 (Fam10h+DDR3) CPU.
> Starting with the tilapia_10h mainboard code, the first problem I'm
> hitting occurs very early on: any attempt to call pci_locate_device(),
Have you tried changing it to pci_locate_device_on_bus()? That will
constrain the search to a single bus.
> With the PCIe bridges out of the picture, I get through memory
> initialization (woo hoo!), but for some reason ram_fill() and
> ram_verify() take many minutes to complete, and it hangs shortly
> thereafter. Boot log attached.
I think there must be some MTRR setup problem. Maybe you could print out
the MTRRs just before the slow parts?
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