From: Albert ARIBAUD <albert.u.boot@aribaud.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] arm: vf610: move device tree after kernel image
Date: Wed, 14 Oct 2015 10:36:42 +0200 [thread overview]
Message-ID: <20151014103642.1f2a62f5@lilith> (raw)
In-Reply-To: <1444803105-3312-1-git-send-email-stefan@agner.ch>
Hello Stefan,
On Tue, 13 Oct 2015 23:11:45 -0700, Stefan Agner <stefan@agner.ch>
wrote:
> Since the device tree relocation is disabled (fdt_high set to
> 0xffffffff), U-Boot keeps the device tree at its load address
> 0x81000000. The kernel uncompresses itself to 0x80008000 by
> default, hence this limits the maximum (uncompressed) kernel
> size to somewhat below 16MiB, otherwise the device tree gets
> overwritten by the kernel data...
>
> Move the device tree load address to 0x84000000 to avoid that
> the device tree being overwritten by the kernel.
OOC, why is device tree relocation disabled? I'm asking because by
manually placing the device tree (or anything else) high in DDR, one
runs the risk of overwriting some of U-Boot's data.
Amicalement,
--
Albert.
next prev parent reply other threads:[~2015-10-14 8:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-14 6:11 [U-Boot] [PATCH] arm: vf610: move device tree after kernel image Stefan Agner
2015-10-14 8:36 ` Albert ARIBAUD [this message]
2015-10-14 9:08 ` Albert ARIBAUD
2015-10-14 17:45 ` Stefan Agner
2015-10-14 18:41 ` Albert ARIBAUD
2015-10-14 12:39 ` Tom Rini
2015-10-14 16:05 ` Stefan Agner
2015-10-14 16:36 ` Tom Rini
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