[PATCH v3 0/4] Add Amlogic secure monitor driver
Matthias Brugger
matthias.bgg at gmail.com
Mon May 23 10:04:14 PDT 2016
On 23/05/16 18:30, Carlo Caione wrote:
> From: Carlo Caione <carlo at endlessm.com>
>
> 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.
>
For the whole series:
Reviewed-by: Matthias Brugger <matthias.bgg at gmail.com>
> 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
>
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