Reserve a 1.5MiB region of memory to record kmsg dumps, console and
userspace message state into 16kiB ring-buffer slots. The sizing allows
for up to 32 dumps to be captured and read out.
Set max-reason to KMSG_DUMP_EMERG to capture bad-path reboots.
Signed-off-by: Andrew Jeffery <andrew@xxxxxxxx>
---
arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 183e1a4dcc65..89729ee698c5 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -47,6 +47,15 @@ reserved-memory {
#size-cells = <1>;
ranges;
+ ramoops@b7e80000 {
+ compatible = "ramoops";
+ reg = <0xb7e80000 0x180000>;
+ record-size = <0x4000>;
+ console-size = <0x4000>;
+ pmsg-size = <0x4000>;
+ max-reason = <3>; /* KMSG_DUMP_EMERG */
+ };
+
flash_memory: region@b8000000 {
no-map;
reg = <0xb8000000 0x04000000>; /* 64M */
--
2.25.1
