[PATCH v1] ARM: dts: imx6q-prti6q: add pstore/ramoops node

Oleksij Rempel o.rempel at pengutronix.de
Thu Oct 8 07:07:34 EDT 2020


In some cases we have no UART access, but we still need to get barebox
messages. With ramoops enabled, we still can get barebox message from
running Linux by reading:
cat /sys/fs/pstore/console-ramoops-0

Signed-off-by: Oleksij Rempel <o.rempel at pengutronix.de>
---
 arch/arm/dts/imx6qdl-prti6q.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/dts/imx6qdl-prti6q.dtsi b/arch/arm/dts/imx6qdl-prti6q.dtsi
index f2b36553d4..bfc059e34f 100644
--- a/arch/arm/dts/imx6qdl-prti6q.dtsi
+++ b/arch/arm/dts/imx6qdl-prti6q.dtsi
@@ -27,6 +27,17 @@
 		};
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		/* Address will be determined by the bootloader */
+		ramoops {
+			compatible = "ramoops";
+		};
+	};
+
 	reg_1v8: regulator-1v8 {
 		compatible = "regulator-fixed";
 		regulator-name = "1v8";
-- 
2.28.0




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