From: Carlo Caione <carlo@xxxxxxxxxxxx> In the Amlogic SoCs the secure monitor calls are used for a lot of reasons: interact with the NVMEM (efuses), check the reboot reason, set USB boot, ... This driver defines a generic interface towards the secure monitor that can be used by more specialized drivers to interact with the secure monitor itself without worrying about bounce buffers managing. Changelog: v3: * Moved driver to drivers/firmware * Added EXPORT_SYMBOL macros * Changed '_' in '-' * Introduced 'struct meson_sm_firmware' and 'meson_sm_get_fw()' to be used by drivers using the secure-monitor to enforce probe ordering v2: * All the SMC function identifiers are now in a SoC-specific header file to be included by the DTS files so the SMC commands are now defined in the DT instead to be hardcoded into the driver * Patchset is no longer an RFC * Better error management and boundary checking * s/unsigned int/u32/ * SMC call not only on CPU 0 * Fix memory leaking * s/amlogic/meson/ in the directory names Carlo Caione (4): firmware: Amlogic: Add secure monitor driver firmware: dt-bindings: Add secure monitor header file for GXBB ARM64: dts: amlogic: gxbb: Enable secure monitor documentation: Add secure monitor binding documentation .../bindings/firmware/meson/meson_sm.txt | 51 ++++++ arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 11 ++ drivers/firmware/Kconfig | 1 + drivers/firmware/Makefile | 1 + drivers/firmware/meson/Kconfig | 8 + drivers/firmware/meson/Makefile | 1 + drivers/firmware/meson/meson_sm.c | 179 +++++++++++++++++++++ include/dt-bindings/firmware/meson-gxbb-sm.h | 44 +++++ include/linux/firmware/meson/meson_sm.h | 38 +++++ 9 files changed, 334 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/meson/meson_sm.txt create mode 100644 drivers/firmware/meson/Kconfig create mode 100644 drivers/firmware/meson/Makefile create mode 100644 drivers/firmware/meson/meson_sm.c create mode 100644 include/dt-bindings/firmware/meson-gxbb-sm.h create mode 100644 include/linux/firmware/meson/meson_sm.h -- 2.7.4 -- 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