From: Martin Kepplinger <martin.kepplinger@puri.sm>
To: robh@kernel.org, shawnguo@kernel.org, festevam@gmail.com
Cc: kernel@pengutronix.de, linux-imx@nxp.com, krzk@kernel.org,
kernel@puri.sm, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Angus Ainslie <angus@akkea.ca>,
Martin Kepplinger <martin.kepplinger@puri.sm>
Subject: [PATCH v3 4/5] arm64: dts: librem5: protect some partitions of the nor-flash
Date: Fri, 19 Feb 2021 11:04:38 +0100 [thread overview]
Message-ID: <20210219100439.9428-5-martin.kepplinger@puri.sm> (raw)
In-Reply-To: <20210219100439.9428-1-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>
---
.../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
next prev parent reply other threads:[~2021-02-19 10:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-19 10:04 [PATCH v3 0/5] arm64: dts: librem5 phone and devkit dts and config updates Martin Kepplinger
2021-02-19 10:04 ` [PATCH v3 1/5] arm64: dts: imx8mq-librem5-devkit: Drop buck3 startup-ramp-delay Martin Kepplinger
2021-02-19 10:04 ` [PATCH v3 2/5] arm64: dts: librem5: Drop assigned-clocks from SAI2 Martin Kepplinger
2021-02-19 10:04 ` [PATCH v3 3/5] arm64: defconfig: Enable devfreq support for i.MX8MQ Martin Kepplinger
2021-02-19 10:04 ` Martin Kepplinger [this message]
2021-02-20 19:14 ` [PATCH v3 4/5] arm64: dts: librem5: protect some partitions of the nor-flash Krzysztof Kozlowski
2021-03-07 13:39 ` Shawn Guo
2021-02-19 10:04 ` [PATCH v3 5/5] arm64: dts: imx8mq-librem5-r2: set nearlevel to 120 Martin Kepplinger
2021-02-22 10:28 ` [PATCH v3 0/5] arm64: dts: librem5 phone and devkit dts and config updates Pavel Machek
2021-03-07 13:38 ` Shawn Guo
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