On Monday 28 of October 2013 14:56:49 Olof Johansson wrote: > On Mon, Oct 28, 2013 at 05:57:04AM -0500, Kumar Gala wrote: > > 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 <acourbot@xxxxxxxxxx> > > > Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx> > > > Reviewed-by: Stephen Warren <swarren@xxxxxxxxxx> > > > --- > > > .../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-foundatio > > > ns.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-foundat > > > ions.txt > > > b/Documentation/devicetree/bindings/arm/firmware/tl,trusted-foundat > > > ions.txt new file mode 100644 > > > index 0000000..2ec75c9 > > > --- /dev/null > > > +++ > > > b/Documentation/devicetree/bindings/arm/firmware/tl,trusted-foundat > > > ions.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. > > Are you saying he should use tl,version-major tl,version-minor? For > bindings that are already vendor-specific we haven't (on ARM) asked for > vendor prefix on properties. It doesn't mean that we should keep going > down that route though, so I'm just asking for clarification for my own > edification. :) This is a good question. We should decide what the right thing (TM) is and write it down. I, on the contrary, was convinced that it's the way Kumar says. Best regards, Tomasz -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
