From: Stephen Warren <swarren@wwwdotorg.org>
To: Alexandre Courbot <acourbot@nvidia.com>,
Rob Herring <rob.herring@calxeda.com>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <Mark.Rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Russell King <linux@arm.linux.org.uk>,
Tomasz Figa <t.figa@samsung.com>,
Dave Martin <Dave.Martin@arm.com>,
Olof Johansson <olof@lixom.net>, Arnd Bergmann <arnd@arndb.de>,
Kevin Hilman <khilman@linaro.org>,
gnurou@gmail.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v7 1/5] ARM: add basic support for Trusted Foundations
Date: Mon, 07 Oct 2013 13:28:44 -0600 [thread overview]
Message-ID: <52530B6C.8050605@wwwdotorg.org> (raw)
In-Reply-To: <1380904635-18113-2-git-send-email-acourbot@nvidia.com>
On 10/04/2013 10:37 AM, Alexandre Courbot wrote:
> Trusted Foundations is a TrustZone-based secure monitor for ARM that
> can be invoked using the same SMC-based API on all supported
> platforms. This patch adds initial basic support for Trusted
> Foundations using the ARM firmware API. Current features are limited
> to the ability to boot secondary processors.
>
> Note: The API followed by Trusted Foundations does *not* follow the SMC
> calling conventions. It has nothing to do with PSCI neither and is only
> relevant to devices that use Trusted Foundations (like most Tegra-based
> retail devices).
Hmmm. This patch didn't get sent to the DT maintainers. I'm CC'ing them
all in this reply, and hence quoting the two relevant files in full. I'm
looking for an ack to take this patch through the Tegra tree.
I'm also looking for an ack from perhaps Russell on the code changes in
the patch.
> diff --git a/Documentation/devicetree/bindings/arm/firmware/tl,trusted-foundations.txt b/Documentation/devicetree/bindings/arm/firmware/tl,trusted-foundations.txt
> new file mode 100644
> index 0000000..3954bbd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/firmware/tl,trusted-foundations.txt
> @@ -0,0 +1,17 @@
> +Trusted Foundations
> +
> +Boards that use the Trusted Foundations secure monitor can signal its
> +presence by declaring a node compatible with "tl,trusted-foundations"
> +under the root node.
> +
> +Required properties:
> +- compatible : "tl,trusted-foundations"
> +- version-major : major version number of Trusted Foundations firmware
> +- version-minor: minor version number of Trusted Foundations firmware
> +
> +Example:
> + firmware {
> + compatible = "tl,trusted-foundations";
> + version-major = <2>;
> + version-minor = <8>;
> + };
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 2956800..a374eaa 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -66,6 +66,7 @@ ste ST-Ericsson
> stericsson ST-Ericsson
> toumaz Toumaz
> ti Texas Instruments
> +tl Trusted Logic
> toshiba Toshiba Corporation
> v3 V3 Semiconductor
> via VIA Technologies, Inc.
next prev parent reply other threads:[~2013-10-07 19:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-04 16:37 [PATCH v7 0/5] ARM: support for Trusted Foundations secure monito Alexandre Courbot
2013-10-04 16:37 ` [PATCH v7 1/5] ARM: add basic support for Trusted Foundations Alexandre Courbot
2013-10-07 18:16 ` Kevin Hilman
2013-10-07 19:28 ` Stephen Warren [this message]
2013-10-08 8:17 ` Michal Simek
2013-10-09 23:45 ` Olof Johansson
2013-10-10 5:18 ` Michal Simek
2013-10-09 23:47 ` Olof Johansson
2013-10-10 20:58 ` Alexandre Courbot
2013-10-10 21:14 ` Kevin Hilman
2013-10-10 22:22 ` Stephen Warren
2013-10-10 22:25 ` Olof Johansson
2013-10-10 22:28 ` Alexandre Courbot
2013-10-04 16:37 ` [PATCH v7 2/5] ARM: tegra: add " Alexandre Courbot
2013-10-04 16:37 ` [PATCH v7 3/5] ARM: tegra: split setting of CPU reset handler Alexandre Courbot
2013-10-04 16:37 ` [PATCH v7 4/5] ARM: tegra: set CPU reset handler with firmware op Alexandre Courbot
2013-10-04 16:37 ` [PATCH v7 5/5] ARM: tegra: support Trusted Foundations by default Alexandre Courbot
2013-10-06 18:11 ` [PATCH v7 0/5] ARM: support for Trusted Foundations secure monito Alex Courbot
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