Thanks a lot for the help, but now I don't even get to the black screen. Whenever I flash coreboot and reboot the computer, after a few seconds of black-screen the backup BIOS complains about a checksum fail from the main bios chip and resets the contents to the original BIOS. I have a few ideas to try tonight, so I'll try that. Hopefully I'll be able to achieve something.

Cheers,
Alberto

2016-09-28 15:10 GMT-03:00 Zoran Stojsavljevic <zoran.stojsavljevic@gmail.com>:
"Приветствую!
Если я правильно понял, то у меня была схожая проблема, когда я пытался запустить coreboot на Asus m4a785-m. Я потратил 2 месяца на ее решение, а решение оказалось простым.
Проблема в вызовах printk() до инициализации консоли. Видимо переполняется кэш процессора."

Translation for the above is the following (maybe this also can help):

Hello,

If I correctly understand, I had very similar problem, when I struggled/tried to bring up Coreboot on Asus m4a785-m. I lost two months for solution finding, and solution appeared to be simplistic.
Problem is by calling printk() before console init. Apparently CPU cache is overloading.

(love Russian language, could not resist)!

Zoran

On Wed, Sep 28, 2016 at 5:54 PM, Alexey Borovikov via coreboot <coreboot@coreboot.org> wrote:
Hi!
May be the problems in call printk() before console_init(). Two way:
1. To comment printk in function which call before console_init.
2. Call console_init first in function cache_as_ram_main.
May be this help.
 
/*
Приветствую!
Если я правильно понял, то у меня была схожая проблема, когда я пытался запустить coreboot на Asus m4a785-m. Я потратил 2 месяца на ее решение, а решение оказалось простым.
Проблема в вызовах printk() до инициализации консоли. Видимо переполняется кэш процессора.
Для решения два пути:
1. Закомментировать все вызовы printk до вызова console_init
2. Попробовать вызвать console_init как можно раньше в функции cache_as_ram_main (файл romstage.c).
Возможно это поможет.
*/
 
 
Sent: Sunday, September 25, 2016 6:07 PM
Subject: [coreboot] Support for Gigabyte ga-ma78gm-us2h?
 

Hello,

I've been trying to make this board boot and I haven't had much success. Sometimes I've been able to get it to POST, but it's not something that happens consistently. Since I can't find much info other than it being listed, I'm asking here to see if by any chance there's something that I'm missing, because I feel like I'm just trying random things to see what sticks.

Thankfully the board has dual bios, so it's easy to go back if I mess something up. Please, help.

Best regards,
Albert


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