From 9b3024247b2ddea6880fa77b638c870ddbdb6bba Mon Sep 17 00:00:00 2001 From: Sibi Sankar Date: Tue, 17 Jan 2023 14:28:31 +0530 Subject: [PATCH] dt-bindings: remoteproc: qcom,msm8996-mss-pil: Update memory region The dynamic memory region used for metadata authentication would still be a part of the kernel mapping and any access to this region by the application processor after assigning it to the remote Q6 will result in a XPU violation. This is fixed by using a no-map carveout instead. Update the bindings to reflect the addition of the new modem metadata carveout on MSM8996 (and similar) SoCs. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Sibi Sankar Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20230117085840.32356-3-quic_sibis@quicinc.com --- .../bindings/remoteproc/qcom,msm8996-mss-pil.yaml | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml index 1aa5e5c..c1ac6ca 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml +++ b/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml @@ -122,6 +122,7 @@ properties: items: - description: MBA reserved region - description: Modem reserved region + - description: Metadata reserved region firmware-name: $ref: /schemas/types.yaml#/definitions/string-array @@ -172,6 +173,20 @@ properties: additionalProperties: false deprecated: true + metadata: + type: object + description: + Metadata reserved region + + properties: + memory-region: true + + required: + - memory-region + + additionalProperties: false + deprecated: true + required: - compatible - reg @@ -313,6 +328,7 @@ allOf: - required: - mba - mpss + - metadata additionalProperties: false @@ -355,7 +371,7 @@ examples: <&rpmhpd SDM845_MSS>; power-domain-names = "cx", "mx", "mss"; - memory-region = <&mba_mem>, <&mpss_mem>; + memory-region = <&mba_mem>, <&mpss_mem>, <&mdata_mem>; resets = <&aoss_reset AOSS_CC_MSS_RESTART>, <&pdc_reset PDC_MODEM_SYNC_RESET>; -- 2.7.4