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[4/5] arm64: dts: librem5: protect some partitions of the nor-flash

Message ID 20210208131527.24463-5-martin.kepplinger@puri.sm
State Superseded
Headers show
Series arm64: dts: librem5 phone and devkit dts and config updates | expand

Commit Message

Martin Kepplinger Feb. 8, 2021, 1:15 p.m. UTC 
From: Angus Ainslie <angus@akkea.ca>

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>
---
 .../arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index c2bbbdeb93e3..9867e2a50008 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -258,6 +258,22 @@ 
 		compatible = "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <1000000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		partition@0x00000000 {
+			label = "protected0";
+			reg = <0x00000000 0x00030000>;
+			read-only;
+		};
+		partition@0x00030000 {
+			label = "protected1";
+			reg = <0x00030000 0x00010000>;
+			read-only;
+		};
+		partition@0x00040000 {
+			label = "rw";
+			reg = <0x00040000 0x001C0000>;
+		};
 	};
 };