From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> Add a 20MB reserved memory region for use by SCM calls. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sa8775p.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi index 31de73594839..c183527452d7 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -208,6 +208,7 @@ core3 { firmware { scm { compatible = "qcom,scm-sa8775p", "qcom,scm"; + memory-region = <&tz_ffi_mem>; }; }; @@ -418,6 +419,12 @@ 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; -- 2.43.0