From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [U-Boot, 2/2] ARM: rpi: set fdt_high in the default environment
Date: Mon, 8 Feb 2016 15:50:30 -0500 [thread overview]
Message-ID: <20160208205030.GA11375@bill-the-cat> (raw)
In-Reply-To: <1454737547-28048-2-git-send-email-swarren@wwwdotorg.org>
On Fri, Feb 05, 2016 at 10:45:47PM -0700, Stephen Warren wrote:
> The ARM Linux kernel requires the DT to be in memory accessible early
> during the boot process. This always happens naturally on the RPi 1,
> since the maximum memory size of 512MiB, and additionally some of that
> is reserved for use by the GPU. The RPi 2 has 1GiB of RAM (minus some
> GPU usage), and so if the DT is relocated to the top of RAM, Linux cannot
> access it. Prevent this from happening by setting fdt_high.
>
> Cc: Daniel Stone <daniels@collabora.com>
> Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Applied to u-boot/master, thanks!
--
Tom
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next prev parent reply other threads:[~2016-02-08 20:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-06 5:45 [U-Boot] [PATCH 1/2] ARM: rpi: update memory layout env. var. documentation Stephen Warren
2016-02-06 5:45 ` [U-Boot] [PATCH 2/2] ARM: rpi: set fdt_high in the default environment Stephen Warren
2016-02-08 20:50 ` Tom Rini [this message]
2016-02-06 7:30 ` [U-Boot] [PATCH 1/2] ARM: rpi: update memory layout env. var. documentation Jonathan Liu
2016-02-06 16:36 ` Stephen Warren
2016-02-06 20:48 ` Jonathan Liu
2016-02-08 20:50 ` [U-Boot] [U-Boot, " Tom Rini
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