[PATCH v1 1/1] ARM: dts: aspeed: yosemite4: allocate ramoops for kernel panic

[Delphine CC Chiu]

Reserve a ramoops memory region in the Yosemite4 device tree so that
kernel panic logs can be preserved across reboots. This helps with
post-mortem debugging and crash analysis.

Signed-off-by: Zane Li <zane_li at wiwynn.com>
---
 .../dts/aspeed/aspeed-bmc-facebook-yosemite4.dts   | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
index aae789854c52..4ec1abae1175 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -49,6 +49,20 @@ memory at 80000000 {
 		reg = <0x80000000 0x80000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		ramoops at b8dfa000 {
+			compatible = "ramoops";
+			reg = <0xb8dfa000 0x6000>;
+			record-size = <0x2000>;
+			console-size = <0x2000>;
+			pmsg-size = <0x2000>;
+			max-reason = <1>;
+		};
+	};
+
 	iio-hwmon {
 		compatible = "iio-hwmon";
 		io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>,
-- 
2.25.1