linux-kernel - [PATCH 2/3] arm64: dts: qcom: enable the download mode support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 26 May 2023 16:36:52 +0530
From:   Vignesh Viswanathan <quic_viswanat@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <lee@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <quic_kathirav@...cinc.com>, <quic_anusha@...cinc.com>,
        <quic_sjaganat@...cinc.com>, <quic_srichara@...cinc.com>,
        <quic_varada@...cinc.com>,
        Vignesh Viswanathan <quic_viswanat@...cinc.com>
Subject: [PATCH 2/3] arm64: dts: qcom: enable the download mode support

Like any other Qualcomm SoCs, IPQ8074 and IPQ6018 also supports the
download mode to collect the RAM dumps if system crashes, to perform
the post mortem analysis. Add support for the same.

Signed-off-by: Vignesh Viswanathan <quic_viswanat@...cinc.com>
---
 arch/arm64/boot/dts/qcom/ipq6018.dtsi | 1 +
 arch/arm64/boot/dts/qcom/ipq8074.dtsi | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
index f531797f2619..2d77a8336111 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -91,6 +91,7 @@ L2_0: l2-cache {
 	firmware {
 		scm {
 			compatible = "qcom,scm-ipq6018", "qcom,scm";
+			qcom,dload-mode = <&tcsr 0x6100>;
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index 5b2c1986c8f4..00e559de00fb 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -103,6 +103,7 @@ memory@...00000 {
 	firmware {
 		scm {
 			compatible = "qcom,scm-ipq8074", "qcom,scm";
+			qcom,dload-mode = <&tcsr 0x6100>;
 		};
 	};
 
@@ -382,6 +383,11 @@ tcsr_mutex: hwlock@...5000 {
 			#hwlock-cells = <1>;
 		};
 
+		tcsr: syscon@...7000 {
+			compatible = "qcom,tcsr-ipq8074", "syscon";
+			reg = <0x01937000 0x21000>;
+		};
+
 		spmi_bus: spmi@...f000 {
 			compatible = "qcom,spmi-pmic-arb";
 			reg = <0x0200f000 0x001000>,
-- 
2.40.1