[coreboot] Samsung 550 Chromebook own Coreboot

[John Lewis]

On 29/07/2013 16:47, Aaron Durbin wrote:

> On Mon, Jul 29, 2013 at 10:38 AM, John Lewis <jlewis at johnlewis.ie> 
> wrote:
>
>> My 550 won't boot without the DIMM in, so it sounds like it's not
>> recognising the embedded memory.
>
> OK. That is a good data point. However, I don't know from what code
> base that original wrapper was built from in order to debug further.
> Did you save the original rom image that your device was shipped 
> with?

I do, but I'm not sure how complete it is since every time I've tried 
to use it since first reading the ME doesn't seem to be very happy and 
switches the laptop off after 30 mins. I'll forward it, presently.

> I'd be curious to know if that matches the one found in the blobs
> repo.
>
>> On 29/07/2013 16:25, Aaron Durbin wrote:
>>
>>> On Mon, Jul 29, 2013 at 10:22 AM, Kyösti Mälkki
>>> <kyosti.malkki at gmail.com [1]> wrote:
>>>
>>>> Did someone change the SPD eeprom address notation in pei_data 
>>>> from
>>>> 7-bit to 8-bit addresses? samsung/lumpy/romstage.c : 
>>>> .spd_addresses
>>>> = { 0x50, 0x00,0xf0,0x00 }, google/stout/romstage.c :
>>>> spd_addresses: { 0xA0, 0x00,0xA4,0x00 },
>>> The 0xf0 handles the soldered down memory. I was looking at the 
>>> 0x50
>>> address as well, but I think that is correct (I'm looking at code
>>> that I think is the wrapper that you guys are using). I could be
>>> wrong though.


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