Commit d7aeff30 authored by Bartosz Golaszewski's avatar Bartosz Golaszewski Committed by Bjorn Andersson
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arm64: dts: qcom: sa8775p: add a dedicated memory carveout for TZ 



Add a 20MB reserved memory region for use by SCM calls.

Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20240527-shm-bridge-v10-15-ce7afaa58d3a@linaro.org


Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
parent 585141c5

arch/arm64/boot/dts/qcom/sa8775p.dtsi

+7 −0
Original line number Diff line number Diff line
@@ -221,6 +221,7 @@ eud_in: endpoint { 
	firmware {

		scm {

			compatible = "qcom,scm-sa8775p", "qcom,scm";

			memory-region = <&tz_ffi_mem>;

		};

	};
@@ -431,6 +432,12 @@ cdt_data_backup_mem: cdt-data-backup@91ba0000 { 
			no-map;

		};



		tz_ffi_mem: tz-ffi@91c00000 {

			compatible = "shared-dma-pool";

			reg = <0x0 0x91c00000 0x0 0x1400000>;

			no-map;

		};



		lpass_machine_learning_mem: lpass-machine-learning@93b00000 {

			reg = <0x0 0x93b00000 0x0 0xf00000>;

			no-map;