[coreboot] Question about Coreboot and some chipsets

Stefan Reinauer stefan.reinauer at coresystems.de
Sun Sep 26 16:44:25 CEST 2010

 On 9/26/10 2:27 PM, ali hagigat wrote:
> Coreboot supports 945 North bridge made by Intel. The data sheet of
> this IC mentions some registers while there is no table or some
> description about them like:
> FSBSNPCTL, FSBPMC4, C0ODT, C1AIT(Channel 1 Adaptive Idle Timer
> Control),....many registers...
> Where can i find the technical details of these registers? How
> Coreboot is using FSBSNPCTL in
> src/northbridge/intel/i945/early_init.c?
> I wonder if any one can direct me to find the necessary information.
The documentation of those registers is not publically available, I am
afraid to say.

You will need a couple of NDAs in order to get to that documentation.


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