[coreboot] bug in geodelx dram setup code in v3?

Marc Jones Marc.Jones at amd.com
Sat Jul 12 00:56:18 CEST 2008

ron minnich wrote:

> There's no support here for a non-terminated bus! Just that one comment.
> Also:
>  * Settings for single DIMM and no VTT termination (like DB800 platform)
>  * 0xF2F100FF 0x56960004
> Does this mean 1 DIMM, any number of devs? This is not clear.

Yes, see the table in v2. There isn't code in v2 either. I'll work 
something up next week.

> A change:
> static void set_delay_control(u8 dimm0, u8 dimm1, int terminated)
> terminated is 0 if there is no termination. Then set 4c00000f accordingly?

Seems reasonable.

Marc Jones
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com

More information about the coreboot mailing list