Re: [PATCH 1/4] arm64: dts: qcom: Introduce a carveout for modem metadata

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On 12/14/22 16:57, Krzysztof Kozlowski wrote:
On 13/12/2022 15:07, Sibi Sankar wrote:
Introduce a new carveout for modem metadata. This will serve as a
replacement for the memory region used by MSA to authenticate modem
ELF headers.

Signed-off-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi    | 6 ++++++
  arch/arm64/boot/dts/qcom/msm8996.dtsi                  | 9 +++++++++
  arch/arm64/boot/dts/qcom/msm8998.dtsi                  | 9 +++++++++
  arch/arm64/boot/dts/qcom/sc7180-idp.dts                | 7 ++++++-
  arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi           | 7 ++++++-
  arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi | 7 ++++++-
  arch/arm64/boot/dts/qcom/sdm845.dtsi                   | 9 +++++++++
  7 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi b/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
index 5b47b8de69da..4242f8587c19 100644
--- a/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
@@ -127,6 +127,12 @@
  			reg = <0x0 0xf6f00000 0x0 0x100000>;
  			no-map;
  		};
+
+		/delete-node/ memory@91700000;
+		mdata_mem: memory@f7100000 {
+			reg = <0x0 0xf7100000 0x0 0x4000>;
+			no-map;
+		};
  	};
vph_pwr: vph-pwr-regulator {
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index cc65f52bb80f..3f5fb08e2341 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -462,6 +462,11 @@
  			reg = <0x0 0x91500000 0x0 0x200000>;
  			no-map;
  		};
+
+		mdata_mem: memory@91700000 {
+			reg = <0x0 0x91700000 0x0 0x4000>;
+			no-map;
+		};
  	};
rpm-glink {
@@ -2458,6 +2463,10 @@
  				memory-region = <&mpss_mem>;
  			};
+ metadata {

Does it pass dtbs_check?

^^ portion of the bindings aren't in yaml yet please see patch 3.


Best regards,
Krzysztof




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