New version revised according to comments received for v3. Hopefully it will be good enough to be merged. Changes since v3: - Added of_register_trusted_foundations() function to avoid duplicate device tree parsing code in arch files - Added ability to initialize Trusted Foundations through platform data - Changed TF version number to integers - Refactored Kconfig menu for more clarity A few requests could not reasonably be implemented: TF version probing at runtime (requested by Dave) seems impossible unfortunately. TF just does not provide an interface that allows such queries. In the downstream Tegra kernel the TF version is even hardcoded into the kernel. Use of a firmware_op instance for non-firmware behavior (requested by Stephen) would make it necessary to have a dedicated non-firmware registration function that takes implementations from various different files and would require these implementations to be exported. Checking the return code of call_firmware_op() at call sites seems to be easier to handle and is how current users of firmware_ops do. Alexandre Courbot (5): ARM: add basic Trusted Foundations support ARM: tegra: add support for Trusted Foundations ARM: tegra: split setting of CPU reset handler ARM: tegra: set CPU reset handler with firmware op ARM: tegra: support Trusted Foundations by default .../arm/firmware/tl,trusted-foundations.txt | 17 +++++ Documentation/devicetree/bindings/arm/tegra.txt | 5 ++ .../devicetree/bindings/vendor-prefixes.txt | 1 + arch/arm/Kconfig | 2 + arch/arm/Makefile | 1 + arch/arm/configs/tegra_defconfig | 1 + arch/arm/firmware/Kconfig | 26 +++++++ arch/arm/firmware/Makefile | 1 + arch/arm/firmware/trusted_foundations.c | 83 ++++++++++++++++++++++ arch/arm/include/asm/trusted_foundations.h | 48 +++++++++++++ arch/arm/mach-tegra/Kconfig | 1 + arch/arm/mach-tegra/common.c | 2 + arch/arm/mach-tegra/reset.c | 40 ++++++++--- 13 files changed, 217 insertions(+), 11 deletions(-) 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 -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
