On Samstag, 20. Mai 2023 14:19:33 CEST Matti Lehtimäki wrote:
> This enables userspace to signal the bootloader to go into the
> bootloader or recovery mode.
>
> The magic values can be found in both the downstream kernel and the LK
> kernel (bootloader).
>
> Signed-off-by: Matti Lehtimäki <matti.lehtimaki@xxxxxxxxx>
Reviewed-by: Luca Weiss <luca@xxxxxxxxx>
> ---
> Changes in v2:
> - Always enable IMEM node
> - Move reboot-mode magic numbers to platform,
> those should be always the same
> ---
> arch/arm/boot/dts/qcom-msm8226.dtsi | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-msm8226.dtsi
> b/arch/arm/boot/dts/qcom-msm8226.dtsi index 8644540f5aae..284b7c666fea
> 100644
> --- a/arch/arm/boot/dts/qcom-msm8226.dtsi
> +++ b/arch/arm/boot/dts/qcom-msm8226.dtsi
> @@ -641,6 +641,20 @@ smd-edge {
> label = "lpass";
> };
> };
> +
> + sram@fe805000 {
> + compatible = "qcom,msm8226-imem", "syscon",
"simple-mfd";
> + reg = <0xfe805000 0x1000>;
> +
> + reboot-mode {
> + compatible = "syscon-reboot-mode";
> + offset = <0x65c>;
> +
> + mode-bootloader = <0x77665500>;
> + mode-normal = <0x77665501>;
> + mode-recovery = <0x77665502>;
> + };
> + };
> };
>
> timer {
