linux-kernel - [PATCH v1] ARM: dts: sun7i: provide ramoops region on BananaPi

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Date:   Wed, 21 Jun 2017 19:10:17 +0200
From:   Oleksij Rempel <linux@...pel-privat.de>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Kees Cook <keescook@...omium.org>,
        Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Oleksij Rempel <linux@...pel-privat.de>
Subject: [PATCH v1] ARM: dts: sun7i: provide ramoops region on BananaPi

This should help provide useful debug information on remote
targets without UART.

Signed-off-by: Oleksij Rempel <linux@...pel-privat.de>
---
 arch/arm/boot/dts/sun7i-a20-bananapi.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20-bananapi.dts b/arch/arm/boot/dts/sun7i-a20-bananapi.dts
index ed2f35a..38923bf 100644
--- a/arch/arm/boot/dts/sun7i-a20-bananapi.dts
+++ b/arch/arm/boot/dts/sun7i-a20-bananapi.dts
@@ -63,6 +63,22 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		ramoops@...6a000 {
+			compatible = "ramoops";
+			reg = <0x7fb6a000 0x100000>;
+			ecc-size	= <16>;
+			record-size	= <0x00020000>;
+			console-size	= <0x00020000>;
+			ftrace-size	= <0x00020000>;
+			pmsg-size	= <0x00020000>;
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
-- 
2.7.4