[coreboot] Raminit help
Myles Watson
mylesgw at gmail.com
Tue Jun 9 21:21:57 CEST 2009
> Myles,
>
> Maybe leave the MTRR off until you get it working. I think that you
> can leave it in CAR mode until you have tested that the memory is
> working.
I'm trying that now.
> I assume you are very failiar with the FAM10 BKDG 2.6.4.1.1 DRAM and
> MMIO Memory Space.
I've been reading it, but it seems like you can never be familiar enough
with data sheets and other docs :)
> Can you successfully access the memory as MMIO, F1x[BC:80] before
> trying F1x[1, 0][7C:40] DRAM address setup? I am not sure what will
> happen with a DRAM access that tries to go out a non-coherent link.
I was hoping that the DRAM address registers are all disabled before RAM
init. I'll look again to make sure.
Thanks,
Myles
More information about the coreboot
mailing list