[PATCH v3 11/18] arm64: dts: qcom: sm8450: Add Qualcomm ramoops minidump node

From: Mukesh Ojha
Date: Wed May 03 2023 - 13:06:18 EST


This enable dynamic reserve memory for Qualcomm ramoops device,
Which will used to save ramoops frontend data and this region
gets dumped on crash via Qualcomm's minidump infrastructure.
qcom_pstore_minidump is the associated driver for this node.

Signed-off-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm8450.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 595533a..92d023f 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -614,6 +614,17 @@
reg = <0x0 0xed900000 0x0 0x3b00000>;
no-map;
};
+
+ qcom_ramoops_md_region:qcom_ramoops_md {
+ alloc-ranges = <0x0 0x00000000 0xffffffff 0xffffffff>;
+ size = <0x0 0x200000>;
+ no-map;
+ };
+ };
+
+ qcom_ramoops_md {
+ compatible = "qcom,sm8450-ramoops-minidump", "qcom,ramoops-minidump";
+ memory-region = <&qcom_ramoops_md_region>;
};

smp2p-adsp {
--
2.7.4