[LinuxBIOS] A question of LPC

Darmawan Salihun darmawan.salihun at gmail.com
Thu Sep 13 06:20:56 CEST 2007


On 9/13/07, Feng, Libo <Libo.Feng at amd.com> wrote:
> BIOS FLASH is attached on LPC. But the data in BIOS should eventually
> appear in the data bus of processor. How do the data in BIOS get to the data
> bus of processor? In the MSI ms9185, processor is connected with BCM 5780
> via hyper transport, the BCM 5780 is then connected with BCM 5785 via hyper
> transport, and LPC is attached to BCM 5785. However, when the first
> instruction is fetched from BIOS, HT is not well initialized yet. How the
> data get to the data bus of processor?
> Best Regards
> 丰立波 Feng Libo @ AMD  Ext: 20906
> Mobile Phone: 13683249071
> Office Phone: 0086-010-62801406
> --
> linuxbios mailing list
> linuxbios at linuxbios.org
> http://www.linuxbios.org/mailman/listinfo/linuxbios

I think HT has default values for link width and speed, right? That way,
data can still be sent to the processor. I'm not too sure about newer
version of HT specs, because it was HT version 1.0 spec that I read back



Darmawan Salihun
-= Human knowledge belongs to the world =-
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