[PATCH 01/12] arm64: dts: st: add bsec support to stm32mp25

Patrick Delaunay patrick.delaunay at foss.st.com
Mon Jan 15 13:46:46 CET 2024


Add BSEC support to STM32MP25 SoC family with SoC information:
- RPN = Device part number (BSEC_OTP_DATA9)
- PKG = package data register (Bits 2:0 of BSEC_OTP_DATA122)

Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue at foss.st.com>
---

 arch/arm/dts/stm32mp25-u-boot.dtsi |  4 ++++
 arch/arm/dts/stm32mp251.dtsi       | 16 ++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/arch/arm/dts/stm32mp25-u-boot.dtsi b/arch/arm/dts/stm32mp25-u-boot.dtsi
index f4f26add2a41..0c8e95b34163 100644
--- a/arch/arm/dts/stm32mp25-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp25-u-boot.dtsi
@@ -37,6 +37,10 @@
 	};
 };
 
+&bsec {
+	bootph-all;
+};
+
 &gpioa {
 	bootph-all;
 };
diff --git a/arch/arm/dts/stm32mp251.dtsi b/arch/arm/dts/stm32mp251.dtsi
index cf2f28dc1582..44eb664fb510 100644
--- a/arch/arm/dts/stm32mp251.dtsi
+++ b/arch/arm/dts/stm32mp251.dtsi
@@ -127,6 +127,22 @@
 			};
 		};
 
+		bsec: efuse at 44000000 {
+			compatible = "st,stm32mp25-bsec";
+			reg = <0x44000000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			part_number_otp at 24 {
+				reg = <0x24 0x4>;
+			};
+
+			package_otp at 1e8 {
+				reg = <0x1e8 0x1>;
+				bits = <0 3>;
+			};
+		};
+
 		syscfg: syscon at 44230000 {
 			compatible = "st,stm32mp25-syscfg", "syscon";
 			reg = <0x44230000 0x10000>;
-- 
2.25.1



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