[PATCH v3 4/5] arm64: dts: librem5: protect some partitions of the nor-flash
From: Martin Kepplinger <hidden>
Date: 2021-02-19 10:06:32
Also in:
linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc / layerscape arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
From: Angus Ainslie <redacted> These sections should be read only as they contain important data. Signed-off-by: Angus Ainslie <redacted> Signed-off-by: Martin Kepplinger <redacted> --- .../boot/dts/freescale/imx8mq-librem5.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index c2bbbdeb93e3..d39ae27c8e42 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi@@ -258,6 +258,23 @@ 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>; + }; }; };
--
2.20.1
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