linux-kernel - [PATCH v3] ARM: dts: imx28-lwe: Fix partitions definitions

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Message-Id: <20240902114652.893272-1-lukma@denx.de>
Date: Mon,  2 Sep 2024 13:46:50 +0200
From: Lukasz Majewski <lukma@...x.de>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>
Cc: Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Lukasz Majewski <lukma@...x.de>
Subject: [PATCH v3] ARM: dts: imx28-lwe: Fix partitions definitions

The SPI-NOR memory layout has evolved during time lifetime of the
device - for example special partitions to keep track of booted devices
for A/B booting scheme were added.

Signed-off-by: Lukasz Majewski <lukma@...x.de>

---
Changes for v3:
- Split patches
- Modify the subject prefix

Changes for v2:
- Add more descriptive commit message
- Replace e.g. partition@4 with partition@...000
- Use lower case letters for HEX offsets descriptions
---
 arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi b/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi
index 69fcb0dde940..a954fef8bd8e 100644
--- a/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi
+++ b/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi
@@ -133,14 +133,21 @@ partition@...00 {
 				reg = <0x90000 0x10000>;
 			};
 
-			partition@...000 {
-				label = "kernel";
-				reg = <0x100000 0x400000>;
+			partition@...00 {
+				label = "rescue";
+				reg = <0xa0000 0xf40000>;
 			};
 
-			partition@...000 {
-				label = "swupdate";
-				reg = <0x500000 0x800000>;
+			partition@...000 {
+				/* 1st sector for SPL boot img source data */
+				label = "spl-boot-data1";
+				reg = <0xfe0000 0x10000>;
+			};
+
+			partition@...000 {
+				/* 2nd sector for SPL boot img source data */
+				label = "spl-boot-data2";
+				reg = <0xff0000 0x10000>;
 			};
 		};
 	};
-- 
2.39.2