linux-kernel - [PATCH v3] arm64: dts: qcom: qdu1000: Add secure qfprom node

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20240618092711.15037-1-quic_kbajaj@quicinc.com>
Date: Tue, 18 Jun 2024 14:57:11 +0530
From: Komal Bajaj <quic_kbajaj@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Komal Bajaj <quic_kbajaj@...cinc.com>
Subject: [PATCH v3] arm64: dts: qcom: qdu1000: Add secure qfprom node

Add secure qfprom node and also add properties for multi channel
DDR. This is required for LLCC driver to pick the correct LLCC
configuration.

Fixes: 6209038f131f ("arm64: dts: qcom: qdu1000: Add LLCC/system-cache-controller")
Signed-off-by: Komal Bajaj <quic_kbajaj@...cinc.com>
---
Changes in v3:
* Addressed comment by Konrad
* Added Fixes tag in commit message as suggested by Dmitry
* Link to v2: https://lore.kernel.org/linux-arm-msm/20240612063424.2494-1-quic_kbajaj@quicinc.com/

Changes in v2:
* Minor correction in commit message
* Link to v1: https://lore.kernel.org/linux-arm-msm/20240607113445.2909-1-quic_kbajaj@quicinc.com/
---
 arch/arm64/boot/dts/qcom/qdu1000.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qdu1000.dtsi b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
index 7a77f7a55498..27f9fc87079c 100644
--- a/arch/arm64/boot/dts/qcom/qdu1000.dtsi
+++ b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
@@ -1584,6 +1584,21 @@ system-cache-controller@...00000 {
 			reg-names = "llcc0_base",
 				    "llcc_broadcast_base";
 			interrupts = <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>;
+
+			nvmem-cells = <&multi_chan_ddr>;
+			nvmem-cell-names = "multi-chan-ddr";
+		};
+
+		sec_qfprom: efuse@...c8000 {
+			compatible = "qcom,qdu1000-sec-qfprom", "qcom,sec-qfprom";
+			reg = <0 0x221c8000 0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			multi_chan_ddr: multi-chan-ddr@12b {
+				reg = <0x12b 0x1>;
+				bits = <0 2>;
+			};
 		};
 	};

--
2.42.0