[coreboot] ASUS M4A79XTD EVO - AMD RD790

[Marc Jones]

On Mon, Jun 18, 2012 at 9:45 AM, Christopher West
<chris.pn.west at gmail.com> wrote:
> That's good news, thanks Marc.
>
> I'll elaborate on what I've done so far then.
>
> I have a second flash chip which I'm using for coreboot and hot swapping
> on the motherboard for programming and running.
>
> I've tested builds of a few different Asus boards and found the m4a78-em
> does slightly more than the others which is not much, it doesn't boot
> and has no serial coms.
>
> Using the m4a78-em as a starting point, I have done the following;
>
>  Modified the devicetree.cb file using information from lspci and lshw.
>  Update the Kconfig for the different socket and memory.
>  Constructed the IRQ table using getpir.
>  Cloned the superio chip ITE it8718f to the it8720f.
>
> This all successfully builds and programs.
>
> So when I try and boot coreboot the machine does nothing and no info
> gets sent across the serial console.
>
> This is where I've ground to a halt, I would appreciate some advice on
> what can I do next?
>
> Thanks,
> Chris
>

You will need to make changes to romstage.c and enable the
early_serial etc there.

Marc



>
>
> On Mon, 2012-06-18 at 09:11 -0600, Marc Jones wrote:
>> On Mon, Jun 18, 2012 at 2:41 AM, Christopher West
>> <chris.pn.west at gmail.com> wrote:
>> > All,
>> >
>> > I'm attempting to port my Asus M4A79XTD EVO again and I've come up
>> > against a dead stop, I think the problem is due to the motherboard
>> > having an AMD RD790 Northbridge.
>> >
>> > Would I be correct in assuming that this chip is not currently
>> > supported?
>> >
>> > If not is there anything that I can do to port it?
>> >
>> > Thanks,
>> > Chris W
>> >
>>
>> Hi Chris,
>>
>> I suspect that the 780 code would be very close to what you need for
>> the 790. I think that AMD has released the required documents. Make
>> sure that you are prepared to recover the flash for broken images
>> before you start. If you have specific questions, please post them or
>> join the irc channel.
>>
>> Regards,
>> Marc
>>
>>
>>
>
>
>
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