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Memory layout sama5d2 OPTEE question #34

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SimoneBongini opened this issue Feb 21, 2024 · 1 comment
Closed

Memory layout sama5d2 OPTEE question #34

SimoneBongini opened this issue Feb 21, 2024 · 1 comment

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@SimoneBongini
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Hello,
I'm wonder why in arch/arm/dts/sama5d2-optee.dtsi

memory { reg = <0x22000000 0x6000000>; };

reserved-memory { ranges; #address-cells = <0x01>; #size-cells = <0x01>; scmi0_shmem: scmi0_shmem@21400000 { no-map; reg = <0x21400000 0x80>; }; };
i.e. are reserved 32MB for OPTEE.
May I reduce it?

@SimoneBongini
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The answer is yes.
Look at OP-TEE/optee_os#6788

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