Passing kernel arguments - SAMA5D4EK

Doug Brainard dbrainard at brainardinsight.com
Tue Feb 3 13:07:52 PST 2015


> It comes from /env/bin/boot. You can checkout the sourcecode and grep
> for it since we do not have any search function in barebox.

Ah, that's the piece I was missing to understand how the bootargs were
being created and what keywords did what.

> Thanks. I'll prepare a mail tomorrow.

I'll press pause on what I'm doing with this then, and I'll wait on
receiving that.

Thanks again for your help,

Doug


On Tue, Feb 3, 2015 at 12:33 PM, Sascha Hauer <s.hauer at pengutronix.de> wrote:
> On Tue, Feb 03, 2015 at 10:21:45AM -0700, Doug Brainard wrote:
>> > Couldn't you add "ubi.mtd=8 ubi.mtd=9" and rootfs_mtdblock_nand=10
>> > instead?
>>
>> I had thought that barebox had a need to know where the rootfs was
>> located, which is why I hadn't tried that.  Turns out that it worked
>> perfectly for the ubi.mtd settings.  Thank you!  Any idea how
>> "noinitrd" is getting added to the bootargs?  I need to replace that
>> with a "rw".
>
> It comes from /env/bin/boot. You can checkout the sourcecode and grep
> for it since we do not have any search function in barebox.
>
>>
>> > Note that we started with trying to build a generic default environment
>> > which at some point grew into a monster. We now have the 2nd version of
>> > the generic default environment which is much better. Unfortunately
>> > usage of this new default environment is board specific and your board
>> > isn't converted yet. If you are interested I can show you the steps to
>> > convert it.
>>
>> I would be interested in helping with this conversion.
>
> Thanks. I'll prepare a mail tomorrow.
>
> Sascha
>
> --
> Pengutronix e.K.                           |                             |
> Industrial Linux Solutions                 | http://www.pengutronix.de/  |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
> Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



More information about the barebox mailing list