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arm64: dts: librem5: protect some partitions of the nor-flash

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These sections should be read only as they contain important data.

Signed-off-by: Angus Ainslie <angus@akkea.ca>
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Angus Ainslie 2021-02-19 11:04:38 +01:00 committed by Shawn Guo
parent e7fb3a7479
commit 3a0eac4a8c
1 changed files with 19 additions and 0 deletions
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19
arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
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@ -258,6 +258,25 @@
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <1000000>;
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "protected0";
reg = <0x0 0x30000>;
read-only;
};
partition@30000 {
label = "protected1";
reg = <0x30000 0x10000>;
read-only;
};
partition@40000 {
label = "rw";
reg = <0x40000 0x1C0000>;
};
};
};