Re: [coreboot] Query regarding coreboot for new intel customized board

[Naveed Ghori]

      That looks a lot like the Valley Island design.

I was able to get serial output by overwriting coreboot (last 2MB of the 8MB bios chip) on
the bios that comes with it.
However as you will see in the history of emails still get stuck during the boot process.

Hope the above helps you get further.

From: coreboot [mailto:[e-mail]] On Behalf Of Mayuri Tendulkar
Sent: Thursday, 26 May 2016 12:33 PM
To: Wim Vervoorn; coreboot
Subject: Re: [coreboot] Query regarding coreboot for new intel customized board

Thanks Vim.

Currently I am not able to get any serial prints out on my reference board.

My board is based on Intel ISX board based on Baytrail-I soc E3825 given below.

https://www-ssl.intel.com/content/www/us/en/embedded/design-tools/evaluat...

I have built coreboot for this, but unable to get serial prints.

How I should debug this further.

Regards
Mayuri

From: Wim Vervoorn [mailto:[e-mail]]
Sent: 24 May 2016 13:26
To: Mayuri Tendulkar
<[e-mail]<mailto:[e-mail]>>
Subject: Re: Query regarding coreboot for new intel customized board

Hello Mayuri,

If your rom image is the same it could be due to the lack of support for the flash device
you are using. The MRC cache is preserved in flash so you need to be able to write it.

For the others the numbers etc you mention are informational for the OS. They are not
strictly required but the OS builds a registry of the items it retrieves from the SMBIOS.
If you don't require this you could also disable the functionality.


Best Regards,
Wim Vervoorn

Eltan B.V.
Ambachtstraat 23
5481 SM Schijndel
The Netherlands

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From: coreboot [mailto:[e-mail]] On Behalf Of Mayuri Tendulkar
Sent: Tuesday, May 24, 2016 7:26 AM
To: coreboot <[e-mail]<mailto:[e-mail]>>
Subject: [coreboot] Query regarding coreboot for new intel customized board

Hi team

I am working on building coreboot for one of our customized board. This is based on Intel
ISX board reference design, reference can be taken as Minnowboard or BayleyBay CRB.

As per documentation given under coreboot, I created folder with my board name under
src/intel/mainboard/xxx and did changes required.

If I tried the coreboot with these changes on minnowboard, it got stuck at FSP MRC Cache
not found.

But if the same code changes I copied under  src/intel/mainboard/minnowmax and built, it
booted fine.

I would like to know what is the importance of these board names, SMBIOS table name,
serial no which are defined for Minnowmax.

Is there some master registry where all these are stored, and if any new entry comes, how
we should add it.

Regards
Mayuri


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