Messages in this thread | | | Date | Tue, 22 Aug 2023 22:25:20 +0530 | Subject | Re: [PATCH v3 1/4] dt-bindings: firmware: qcom,scm: support indicating SDI default state | From | Mukesh Ojha <> |
| |
On 8/16/2023 10:15 PM, Robert Marko wrote: > IPQ5018 has SDI (Secure Debug Image) enabled by TZ by default, and that > means that WDT being asserted or just trying to reboot will hang the board > in the debug mode and only pulling the power and repowering will help. > Some IPQ4019 boards like Google WiFI have it enabled as well. > > So, lets add a boolean property to indicate that SDI is enabled by default > and thus needs to be disabled by the kernel. > > Signed-off-by: Robert Marko <robimarko@gmail.com>
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
-Mukesh
> --- > Changes in v3: > * Change the property so it indicates that SDI has been enabled by default > --- > Documentation/devicetree/bindings/firmware/qcom,scm.yaml | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/devicetree/bindings/firmware/qcom,scm.yaml b/Documentation/devicetree/bindings/firmware/qcom,scm.yaml > index 4233ea839bfc..590bbbd61de5 100644 > --- a/Documentation/devicetree/bindings/firmware/qcom,scm.yaml > +++ b/Documentation/devicetree/bindings/firmware/qcom,scm.yaml > @@ -89,6 +89,14 @@ properties: > protocol to handle sleeping SCM calls. > maxItems: 1 > > + qcom,sdi-enabled: > + description: > + Indicates that the SDI (Secure Debug Image) has been enabled by TZ > + by default and it needs to be disabled. > + If not disabled WDT assertion or reboot will cause the board to hang > + in the debug mode. > + type: boolean > + > qcom,dload-mode: > $ref: /schemas/types.yaml#/definitions/phandle-array > items:
| |