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charset="utf-8" EdgeLock Enclave are has a hardware limitation of restricted access to the DDR memory range: - 0x90000000 - 0xAFFFFFFF ELE-FW driver requireis 1MB of memory. In this patch the we are reserving 1MB of ddr memory region from the lower 32-bit range. Signed-off-by: Dong Aisheng Signed-off-by: Pankaj Gupta --- arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boo= t/dts/freescale/imx8ulp-evk.dts index f1c6d933a17c..747cb9d6b2e9 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -19,6 +19,17 @@ memory@80000000 { device_type =3D "memory"; reg =3D <0x0 0x80000000 0 0x80000000>; }; + reserved-memory { + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + + ele_reserved: ele-reserved@90000000 { + compatible =3D "shared-dma-pool"; + reg =3D <0 0x90000000 0 0x100000>; + no-map; + }; + }; =20 clock_ext_rmii: clock-ext-rmii { compatible =3D "fixed-clock"; @@ -53,6 +64,10 @@ &usdhc0 { status =3D "okay"; }; =20 +&ele_fw2 { + memory-region =3D <&ele_reserved>; +}; + &fec { pinctrl-names =3D "default", "sleep"; pinctrl-0 =3D <&pinctrl_enet>; --=20 2.34.1