[coreboot] Porting coreboot to Unknown Sis620/5595 Motherboard

Hernan Freschi hjf at hjf.com.ar
Fri Sep 17 16:33:28 CEST 2010

Here's a photo of the board in question


On Fri, Sep 17, 2010 at 4:01 AM, Cristi Magherusan
<cristi.magherusan at net.utcluj.ro> wrote:
> În Vin, Septembrie 17, 2010 2:44, Anders Jenbo a scris:
>> This board is a hard one to start out with i would say.
>> You should look in to getting the documentation for the SIS 620 chip
>> set. I see that the SIS 630 is supported by Coreboot v1 so you might want
>> to look in to porting that to v4 and then the SIS 620.
>> -Anders
> Hi,
> I think I may also have such a no-name motherboard based on this chipset
> so I may join you in this effort (I must check, though).
> I took a look at the datasheets of both 620 and 630 chipsets and from what
> I can tell after a short look at them, they seem to be very different.
> This means it needs to be done from scratch eventually.
> In order to get support for the motherboard, we need to have support for
> the following components:
> -ITE IT8661F SuperIO (already supported by coreboot)
> -SiS5595 southbridge
> -SiS620 northbridge
> The first step is to get serial output out of the motherboard for
> debugging, by getting the SuperIO to work, then implement support for the
> other components according to their datasheets.
> Regards,
> Cristian
> --
> Cristian Magherusan-Stanciu,
> System Engineer, Nokia Romania.

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