[coreboot] coreboot support for Minnowboard Turbot E3845

[Michael Graichen]

Hey,

I extracted 906 from original BIOS.

But it still hangs on after POST 0x92 the same with 907.

Aren't there any possibilities to get more debug information out of FSP?


Best Regards

Michael



Am 16.12.2017 um 19:35 schrieb Zoran Stojsavljevic:

> /proc/cpuinfo tells me that the original image is using microcode: 0x906

> but where can I find it?

I do not have 0x906. Please, try 0x907 (attached .inc).

Good Luck!

Zoran

On Sat, Dec 16, 2017 at 2:49 PM, Michael Graichen <michael.graichen at hotmail.com<mailto:michael.graichen at hotmail.com>> wrote:

Hey Zoran,

thanks for your help!

Is there some place to look up the connection between CPUID and microcode?

I tested M0130679905.inc but still with the same effect.

So I flashed the original Image and booted Linux.
/proc/cpuinfo tells me that the original image is using microcode: 0x906

but where can I find it?

Best Regards

Michael



Am 14.12.2017 um 20:25 schrieb Zoran Stojsavljevic:
> for a E3845 Family: 0x06 Model:0x37 Stepping: 0x09...

This is CPUID 0x30679, which uses MCU M0130679901.h (ONLY this one).

You can also try the following MCU: M0130679905.inc (attached). You need to convert it to .h

Zoran
_______

On Thu, Dec 14, 2017 at 6:15 PM, Michael Graichen <michael.graichen at hotmail.com<mailto:michael.graichen at hotmail.com>> wrote:
Hey Piotr,

I'm glad to read that somebody else is working on the Atoms as well.
I'm not sure about my ucode config. At the moment I'm using 5 include files:

M0130673322.h
M0130678806.h
M0130678817.h
M0130679901.h and
M0230672228.h

for a E3845 Family: 0x06 Model:0x37 Stepping: 0x09.
I copied the includes from various FSP's and the FSP_GOLD packages.

I tried other combinations before but then i had no output on the serial
line so I ended up using these five.

What is your Familly/Model/Stepping and what are you using for ucode?

Best Regards

Michael




Am 14.12.2017 um 00:04 schrieb Piotr Król:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
>
>
>
> On 12/13/2017 07:29 PM, Michael Graichen wrote:
>> Hey,
> Hi Michael,
>
>> I've bought a Minnowboard Turbot (quad core / E3845) to start
>> developing on the Atom's.
>>
>> I was hopping that it has support like the Minnowboard Max but it
>> get stuck right after FspInitApi(&FspInitParams); in
>> coreboot/src/drivers/intel/fsp1_0/fsp_util.c. The last output i can
>> see is "POST: 0x92" which comes from
>> post_code(POST_FSP_MEMORY_INIT); right before
>> FspInitApi(&FspInitParams);
> I'm not expert in MinnowBoard Turbot, but I play recently with E3826
> and saw similar behavior when incorrect microcode was used (or no
> microcode). What are your ucode configuration ?
>
> Best Regards,
> - --
> Piotr Król
> Embedded Systems Consultant
> https://3mdeb.com | @3mdeb_com
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