boards: bm_nrf54l: Adjust memory layout

Adjust the memory layout of all the nRF54l variants
to take into account that the top 64 bytes of RAM
are reserved for the KMU. Here 128 bytes of memory are
reserved for future proofness.

Signed-off-by: Georgios Vasilakis <[email protected]>

Author: Vge0rge

boards/nordic/bm_nrf54l15dk/bm_nrf54l15dk_nrf54l05_cpuapp_common.dtsi

@@ -12,6 +12,24 @@
 		zephyr,flash-controller = &rram_controller;
 		zephyr,boot-mode = &boot_mode0;
 	};
+
+	soc {
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		 nrf_kmu_reserved_push_area: memory@20000000 {
+			reg = <0x20000000 0x80>;
+			compatible = "zephyr,memory-region", "mmio-sram";
+			zephyr,memory-region = "nrf_kmu_reserved_push_area";
+			status = "okay";
+		 };
+
+	};
+	};
+
+
 };
 
 /* Override NCS default to use entire SRAM for application CPU. */

boards/nordic/bm_nrf54l15dk/bm_nrf54l15dk_nrf54l05_cpuapp_s115_softdevice.dts

@@ -44,9 +44,14 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
-		softdevice_static_ram: partition@20000000 {
+		nrf_kmu_reserved_push_area: partition@20000000 {
+			label = "nrf_kmu_reserved_push_area";
+			reg = <0x20000000 0x80>;
+		};
+
+		softdevice_static_ram: partition@20000080 {
 			label = "softdevice_static_ram";
-			reg = <0x20000000 DT_SIZE_K(5)>;
+			reg = <0x20000080 DT_SIZE_K(5)>;
 		};
 
 		softdevice_dynamic_ram: partition@20001678 {

boards/nordic/bm_nrf54l15dk/bm_nrf54l15dk_nrf54l05_cpuapp_s115_softdevice_mcuboot.dts

@@ -80,9 +80,9 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
-		softdevice_static_ram: partition@20000000 {
+		softdevice_static_ram: partition@20000080 {
 			label = "softdevice_static_ram";
-			reg = <0x20000000 DT_SIZE_K(5)>;
+			reg = <0x20000080 DT_SIZE_K(5)>;
 		};
 
 		softdevice_dynamic_ram: partition@20001400 {

boards/nordic/bm_nrf54l15dk/bm_nrf54l15dk_nrf54l10_cpuapp_common.dtsi

@@ -12,6 +12,22 @@
 		zephyr,flash-controller = &rram_controller;
 		zephyr,boot-mode = &boot_mode0;
 	};
+
+	soc {
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		 nrf_kmu_reserved_push_area: memory@20000000 {
+			reg = <0x20000000 0x80>;
+			compatible = "zephyr,memory-region", "mmio-sram";
+			zephyr,memory-region = "nrf_kmu_reserved_push_area";
+			status = "okay";
+		 };
+
+	};
+	};
 };
 
 /* Override NCS default to use entire SRAM for application CPU. */

boards/nordic/bm_nrf54l15dk/bm_nrf54l15dk_nrf54l10_cpuapp_s115_softdevice.dts

@@ -44,9 +44,9 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
-		softdevice_static_ram: partition@20000000 {
+		softdevice_static_ram: partition@20000080 {
 			label = "softdevice_static_ram";
-			reg = <0x20000000 DT_SIZE_K(5)>;
+			reg = <0x20000080 DT_SIZE_K(5)>;
 		};
 
 		softdevice_dynamic_ram: partition@20001678 {

boards/nordic/bm_nrf54l15dk/bm_nrf54l15dk_nrf54l10_cpuapp_s115_softdevice_mcuboot.dts

@@ -80,9 +80,9 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
-		softdevice_static_ram: partition@20000000 {
+		softdevice_static_ram: partition@20000080 {
 			label = "softdevice_static_ram";
-			reg = <0x20000000 DT_SIZE_K(5)>;
+			reg = <0x20000080 DT_SIZE_K(5)>;
 		};
 
 		softdevice_dynamic_ram: partition@20001400 {

boards/nordic/bm_nrf54l15dk/bm_nrf54l15dk_nrf54l15_cpuapp_common.dtsi

@@ -12,6 +12,22 @@
 		zephyr,flash-controller = &rram_controller;
 		zephyr,boot-mode = &boot_mode0;
 	};
+
+	soc {
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		 nrf_kmu_reserved_push_area: memory@20000000 {
+			reg = <0x20000000 0x80>;
+			compatible = "zephyr,memory-region", "mmio-sram";
+			zephyr,memory-region = "nrf_kmu_reserved_push_area";
+			status = "okay";
+		 };
+
+	};
+	};
 };
 
 /* Override NCS default to use entire SRAM for application CPU. */

boards/nordic/bm_nrf54l15dk/bm_nrf54l15dk_nrf54l15_cpuapp_s115_softdevice.dts

@@ -44,9 +44,9 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
-		softdevice_static_ram: partition@20000000 {
+		softdevice_static_ram: partition@20000080 {
 			label = "softdevice_static_ram";
-			reg = <0x20000000 DT_SIZE_K(5)>;
+			reg = <0x20000080 DT_SIZE_K(5)>;
 		};
 
 		softdevice_dynamic_ram: partition@20001678 {

boards/nordic/bm_nrf54l15dk/bm_nrf54l15dk_nrf54l15_cpuapp_s115_softdevice_mcuboot.dts

@@ -80,9 +80,9 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
-		softdevice_static_ram: partition@20000000 {
+		softdevice_static_ram: partition@20000080 {
 			label = "softdevice_static_ram";
-			reg = <0x20000000 DT_SIZE_K(5)>;
+			reg = <0x20000080 DT_SIZE_K(5)>;
 		};
 
 		softdevice_dynamic_ram: partition@20001400 {