Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756142Ab3J1K5L (ORCPT ); Mon, 28 Oct 2013 06:57:11 -0400 Received: from smtp.codeaurora.org ([198.145.11.231]:46217 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751635Ab3J1K5J convert rfc822-to-8bit (ORCPT ); Mon, 28 Oct 2013 06:57:09 -0400 Subject: Re: [PATCH v9 1/5] ARM: add basic support for Trusted Foundations Mime-Version: 1.0 (Apple Message framework v1283) Content-Type: text/plain; charset=us-ascii From: Kumar Gala In-Reply-To: <1382956118-12495-2-git-send-email-acourbot@nvidia.com> Date: Mon, 28 Oct 2013 05:57:04 -0500 Cc: Stephen Warren , Russell King , Tomasz Figa , Olof Johansson , Dave Martin , Arnd Bergmann , Kevin Hilman , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , , , , Content-Transfer-Encoding: 8BIT Message-Id: References: <1382956118-12495-1-git-send-email-acourbot@nvidia.com> <1382956118-12495-2-git-send-email-acourbot@nvidia.com> To: Alexandre Courbot X-Mailer: Apple Mail (2.1283) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3564 Lines: 90 On Oct 28, 2013, at 5:28 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). > > Signed-off-by: Alexandre Courbot > Reviewed-by: Tomasz Figa > Reviewed-by: Stephen Warren > --- > .../arm/firmware/tl,trusted-foundations.txt | 20 ++++++ > .../devicetree/bindings/vendor-prefixes.txt | 1 + > arch/arm/Kconfig | 2 + > arch/arm/Makefile | 1 + > arch/arm/firmware/Kconfig | 28 ++++++++ > arch/arm/firmware/Makefile | 1 + > arch/arm/firmware/trusted_foundations.c | 79 ++++++++++++++++++++++ > arch/arm/include/asm/trusted_foundations.h | 67 ++++++++++++++++++ > 8 files changed, 199 insertions(+) > create mode 100644 Documentation/devicetree/bindings/arm/firmware/tl,trusted-foundations.txt > create mode 100644 arch/arm/firmware/Kconfig > create mode 100644 arch/arm/firmware/Makefile > create mode 100644 arch/arm/firmware/trusted_foundations.c > create mode 100644 arch/arm/include/asm/trusted_foundations.h > > 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..2ec75c9 > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/firmware/tl,trusted-foundations.txt > @@ -0,0 +1,20 @@ > +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 /firmware/ 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 vendor prefix version. > + > +Example: > + firmware { > + trusted-foundations { > + 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 Should this be Trusted Logic Mobility (tlm)? > toshiba Toshiba Corporation > v3 V3 Semiconductor > via VIA Technologies, Inc. - k -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/