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From: Martin Kepplinger <martin.kepplinger@puri.sm>
To: robh@kernel.org, shawnguo@kernel.org, festevam@gmail.com
Cc: devicetree@vger.kernel.org, kernel@puri.sm,
	Martin Kepplinger <martin.kepplinger@puri.sm>,
	Angus Ainslie <angus@akkea.ca>,
	linux-kernel@vger.kernel.org, krzk@kernel.org, linux-imx@nxp.com,
	kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 4/5] arm64: dts: librem5: protect some partitions of the nor-flash
Date: Wed, 17 Feb 2021 12:19:43 +0100	[thread overview]
Message-ID: <20210217111944.1416-5-martin.kepplinger@puri.sm> (raw)
In-Reply-To: <20210217111944.1416-1-martin.kepplinger@puri.sm>

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 --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index c2bbbdeb93e3..3c0462f81b3a 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@0 {
+			label = "protected0";
+			reg = <0x00000000 0x00030000>;
+			read-only;
+		};
+		partition@30000 {
+			label = "protected1";
+			reg = <0x00030000 0x00010000>;
+			read-only;
+		};
+		partition@40000 {
+			label = "rw";
+			reg = <0x00040000 0x001C0000>;
+		};
 	};
 };
 
-- 
2.20.1


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  parent reply	other threads:[~2021-02-17 11:22 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-17 11:19 [PATCH v2 0/5] arm64: dts: librem5 phone and devkit dts and config updates Martin Kepplinger
2021-02-17 11:19 ` [PATCH v2 1/5] arm64: dts: imx8mq-librem5-devkit: Drop buck3 startup-ramp-delay Martin Kepplinger
2021-02-17 11:19 ` [PATCH v2 2/5] arm64: dts: librem5: Drop assigned-clocks from SAI2 Martin Kepplinger
2021-02-17 11:19 ` [PATCH v2 3/5] arm64: defconfig: Enable devfreq support for i.MX8MQ Martin Kepplinger
2021-02-17 11:19 ` Martin Kepplinger [this message]
2021-02-17 11:52   ` [PATCH v2 4/5] arm64: dts: librem5: protect some partitions of the nor-flash Krzysztof Kozlowski
2021-02-17 11:19 ` [PATCH v2 5/5] arm64: dts: imx8mq-librem5-r2: set nearlevel to 120 Martin Kepplinger

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