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    Subject[PATCH 5.4 72/80] arm64: dts: meson-g12: add ATF BL32 reserved-memory region
    Date
    From: Christian Hewitt <christianshewitt@gmail.com>

    [ Upstream commit 08982a1b3aa2611c9c711d24825c9002d28536f4 ]

    Add an additional reserved memory region for the BL32 trusted firmware
    present in many devices that boot from Amlogic vendor u-boot.

    Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
    Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
    Reviewed-by: Kevin Hilman <khilman@baylibre.com>
    Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
    Link: https://lore.kernel.org/r/20220126044954.19069-3-christianshewitt@gmail.com
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
    index 9533c85fb0a30..d2d255a988a81 100644
    --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
    +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
    @@ -76,6 +76,12 @@
    no-map;
    };

    + /* 32 MiB reserved for ARM Trusted Firmware (BL32) */
    + secmon_reserved_bl32: secmon@5300000 {
    + reg = <0x0 0x05300000 0x0 0x2000000>;
    + no-map;
    + };
    +
    linux,cma {
    compatible = "shared-dma-pool";
    reusable;
    --
    2.34.1


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