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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Pascal Vizeli <pvizeli@syshack.ch>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/1] command: oftree: support load device tree from memory
Date: Thu, 7 Jun 2018 09:20:37 +0200	[thread overview]
Message-ID: <20180607072037.3jw4exty4huobpm6@pengutronix.de> (raw)
In-Reply-To: <20180606151602.11094-1-pvizeli@syshack.ch>

On Wed, Jun 06, 2018 at 03:16:02PM +0000, Pascal Vizeli wrote:
> DON'T MERGE: this is only a concept patch.
> 
> On some device, barebox is the second bootloader. The first bootloader provide
> some times allready a better device tree as the linux kernel own.
> Mostly barebox can't boot from this device tree but the linux kernel can.
> 
> This patch allow to load a device tree from memory from first bootloader.

Note while it may be handy to have a command for that, you can already
do this without writing code:

memcpy -d /mydtb <dtbaddress> 0 0x10000
oftree -l /mydtb

The only drawback is that you have to guess the size of the dtb.

Sascha

-- 
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  parent reply	other threads:[~2018-06-07  7:20 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-06 15:16 Pascal Vizeli
2018-06-06 19:57 ` Andrey Smirnov
2018-06-07  7:20 ` Sascha Hauer [this message]
2018-06-07  8:29   ` Pascal Vizeli
2018-06-07  8:53     ` Sascha Hauer
2018-06-07 10:42       ` Pascal Vizeli
2018-06-07 12:45         ` Pascal Vizeli

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