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Re: How to build and support GRUB for Beaglebone Black?

From: Andrei Borzenkov
Subject: Re: How to build and support GRUB for Beaglebone Black?
Date: Fri, 9 Oct 2015 06:16:16 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

09.10.2015 04:02, coadde пишет:
Andrei Borzenkov:
08.10.2015 04:11, coadde пишет:
Is there a wiki or way to adapt U-Boot to boot up BeagleBone from GRUB?

I'm not sure I understand it correctly. Normally it is expected that
hardware directly launches U-Boot that loads and starts GRUB which then
loads and starts kernel (or whatever). Do you really want to start
U-Boot from within GRUB?

Yup, similar like says in Linaro wiki [0]. In this case, it explains how
to running GRUB on U-Boot on Versatile Express. In my case, i would
begin to start U-Boot from within GRUB for BeagleBone board.

How do you start GRUB in the first place? On U-Boot platforms GRUB cannot be run without U-Boot at all (it relies on U-Boot API for disk/net IO), so the simplest way to get back to U-Boot is to exit GRUB :)

Otherwise please explain in more details how you build and start GRUB on this platform.


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