[coreboot] Samsung 550 Chromebook own Coreboot

[Aaron Durbin]

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'd be curious to know if that matches the one found in the blobs
repo.

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> 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> 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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