linux-kernel - [PATCH v15 3/7] arm64: dts: imx8ulp: add secure enclave 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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <20250407-imx-se-if-v15-3-e3382cecda01@nxp.com>
Date: Mon, 07 Apr 2025 21:50:19 +0530
From: Pankaj Gupta <pankaj.gupta@....com>
To: Jonathan Corbet <corbet@....net>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Pankaj Gupta <pankaj.gupta@....com>
Cc: linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v15 3/7] arm64: dts: imx8ulp: add secure enclave node

Add support for NXP secure enclave called EdgeLock Enclave
firmware (se-fw) for imx8ulp-evk.

Add label sram0 for sram@...1f000 and add secure-enclave node

Signed-off-by: Pankaj Gupta <pankaj.gupta@....com>
---
changes from v14 to v15
- Updated the commit message.
- split the current patch into two:
  -- 3/7 for board dts, and
  -- 4/7 for chip dts

Note: copied the change logs for v13 to v14, to cover letter.
---
 arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
index 2562a35286c2..05db47668b7e 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
- * Copyright 2021 NXP
+ * Copyright 2021, 2025 NXP
  */
 
 #include <dt-bindings/clock/imx8ulp-clock.h>
@@ -154,7 +154,7 @@ sosc: clock-sosc {
 		#clock-cells = <0>;
 	};
 
-	sram@...1f000 {
+	sram0: sram@...1f000 {
 		compatible = "mmio-sram";
 		reg = <0x0 0x2201f000 0x0 0x1000>;
 
@@ -186,6 +186,13 @@ scmi_sensor: protocol@15 {
 				#thermal-sensor-cells = <1>;
 			};
 		};
+
+		hsm0: secure-enclave {
+			 compatible = "fsl,imx8ulp-se-ele-hsm";
+			 mbox-names = "tx", "rx";
+			 mboxes = <&s4muap 0 0>, <&s4muap 1 0>;
+			 sram = <&sram0>;
+		 };
 	};
 
 	cm33: remoteproc-cm33 {

-- 
2.43.0