Re: [linux-sunxi] [PATCH v2 00/10] Allwinner sunxi message box support

Corentin Labbe
2019-03-01T05:53:39Z

On Thu, Feb 28, 2019 at 11:29:37PM -0600, Samuel Holland wrote:
> This series adds support for the "hardware message box" in sun8i, sun9i,
> and sun50i SoCs, used for communication with the ARISC management
> processor (the platform's equivalent of the ARM SCP). The end goal is to
> use the arm_scpi driver as a client, communicating with firmware running
> on the ARISC CPU, or to use the mailbox to forward NMIs that the
> firmware picks up from R_INTC.
>
> Changes from v1:
> - Marked message box clocks as critical instead of hacks in the driver
> - 8 unidirectional channels instead of 4 bidirectional pairs
> - Use per-SoC compatible strings and an A31 fallback compatible
> - Dropped the mailbox framework patch
> - Include DT patches for SoCs that document the message box
>
> Samuel Holland (10):
> clk: sunxi-ng: sun8i: Mark the msgbox clock as critical
> clk: sunxi-ng: sun9i: Mark the msgbox clock as critical
> clk: sunxi-ng: sun50i: Mark the msgbox clock as critical
> dt-bindings: mailbox: Add a sunxi message box binding
> mailbox: sunxi-msgbox: Add a new mailbox driver
> ARM: dts: sunxi: a80: Add msgbox node
> ARM: dts: sunxi: a83t: Add msgbox node
> ARM: dts: sunxi: h3/h5: Add msgbox node
> arm64: dts: allwinner: a64: Add msgbox node
> arm64: dts: allwinner: h6: Add msgbox node
>
> .../bindings/mailbox/sunxi-msgbox.txt | 44 +++
> arch/arm/boot/dts/sun8i-a83t.dtsi | 10 +
> arch/arm/boot/dts/sun9i-a80.dtsi | 10 +
> arch/arm/boot/dts/sunxi-h3-h5.dtsi | 10 +
> arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 10 +
> arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 10 +
> drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 2 +-
> drivers/clk/sunxi-ng/ccu-sun50i-h6.c | 2 +-
> drivers/clk/sunxi-ng/ccu-sun8i-a23.c | 2 +-
> drivers/clk/sunxi-ng/ccu-sun8i-a33.c | 2 +-
> drivers/clk/sunxi-ng/ccu-sun8i-a83t.c | 2 +-
> drivers/clk/sunxi-ng/ccu-sun8i-h3.c | 2 +-
> drivers/clk/sunxi-ng/ccu-sun9i-a80.c | 2 +-
> drivers/mailbox/Kconfig | 11 +
> drivers/mailbox/Makefile | 2 +
> drivers/mailbox/sunxi-msgbox.c | 315 ++++++++++++++++++
> 16 files changed, 429 insertions(+), 7 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/mailbox/sunxi-msgbox.txt
> create mode 100644 drivers/mailbox/sunxi-msgbox.c

Hello

Appart from applying/compiling/booting, does it exists some way to test it ? check it works ?

Regards