From: Hannu Nyman <hannu.nyman@iki.fi>
Date: Tue, 22 Feb 2022 18:11:23 +0000 (+0200)
Subject: ipq806x: kernel crash log ramoops storage for R7800 and XR500
X-Git-Tag: v22.03.0-rc1~336
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=commitdiff_plain;h=cf346dfadf5b8a40ae814b6fc171d6a4c4b64b9c

ipq806x: kernel crash log ramoops storage for R7800 and XR500

Define the kernel crash log storage ramoops/pstore feature
for R7800 and its sister XR500.

Reference to the ramoops admin guide in upstream Linux:
https://www.kernel.org/doc/html/v5.10/admin-guide/ramoops.html

Tested with R7800.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
---

diff --git a/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8065-nighthawk.dtsi b/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8065-nighthawk.dtsi
index fc869c9ec0..cca887bb3b 100644
--- a/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8065-nighthawk.dtsi
+++ b/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8065-nighthawk.dtsi
@@ -13,6 +13,15 @@
 			reg = <0x5fe00000 0x200000>;
 			reusable;
 		};
+
+		ramoops@42100000 {
+			compatible = "ramoops";
+			reg = <0x42100000 0x40000>;
+			record-size = <0x4000>;
+			console-size = <0x4000>;
+			ftrace-size = <0x4000>;
+			pmsg-size = <0x4000>;
+		};
 	};
 
 	aliases {