[coreboot] What is the purpose of hard_reset function?

Myles Watson mylesgw at gmail.com
Thu Jul 4 16:57:24 CEST 2013


I've seen it used for HyperTransport.  HT settings survive a warm_reset,
but not a hard_reset.  I'm not sure if that's the only case, though.

Thanks,
Myles


On Thu, Jul 4, 2013 at 1:23 PM, Andrew Wu <andrewwu.tw at gmail.com> wrote:

> Hello,
>
> I am porting coreboot to our own product(Vortex86EX). I see there is a
> function called "hard_reset". Some boards implements this function, and
> some don't. Looks like each different mainboard has different
> implementation of hard_reset.
>
> Now I just wrote a blank hard_reset function, but maybe it is not right.
>
> So what is the purpose of this function? What should I put inside this
> function? To reset the system, why not just use system port(92h port)?
>
>
> --
> coreboot mailing list: coreboot at coreboot.org
> http://www.coreboot.org/mailman/listinfo/coreboot
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.coreboot.org/pipermail/coreboot/attachments/20130704/ecc7624e/attachment.html>


More information about the coreboot mailing list