[nrf noup] samples: smp_svr: Demonstration of bootloader info on nrf54h20

Example usage of bootloader info for reporting mcuboot version from
application.

Signed-off-by: Adam Szczygieł <[email protected]>

Author: adsz-nordic

samples/subsys/mgmt/mcumgr/smp_svr/boards/nrf54h20dk_nrf54h20_cpuapp_iron.overlay

@@ -0,0 +1,29 @@
+/ {
+	sram@22007FC0 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x22007FC0 0x40>;
+		zephyr,memory-region = "RetainedMem";
+		status = "okay";
+
+		retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			boot_info0: boot_info@0 {
+				compatible = "zephyr,retention";
+				status = "okay";
+				reg = <0x0 0x40>;
+			};
+		};
+	};
+
+	chosen {
+		zephyr,bootloader-info = &boot_info0;
+	};
+};
+
+&cpuapp_ram0 {
+	reg = <0x22000000 0x7FC0>;
+};

samples/subsys/mgmt/mcumgr/smp_svr/prj.conf

@@ -39,3 +39,8 @@ CONFIG_MCUBOOT_UTIL_LOG_LEVEL_WRN=y
 
 # Disable debug logging
 CONFIG_LOG_MAX_LEVEL=3
+
+CONFIG_RETAINED_MEM=y
+CONFIG_RETENTION=y
+CONFIG_RETENTION_BOOTLOADER_INFO=y
+CONFIG_RETENTION_BOOTLOADER_INFO_TYPE_MCUBOOT=y

samples/subsys/mgmt/mcumgr/smp_svr/src/main.c

@@ -24,6 +24,9 @@ LOG_MODULE_REGISTER(smp_sample);
 
 #include "common.h"
 
+#include <zephyr/retention/blinfo.h>
+#include <bootutil/image.h>
+
 #define STORAGE_PARTITION_LABEL	storage_partition
 #define STORAGE_PARTITION_ID	FIXED_PARTITION_ID(STORAGE_PARTITION_LABEL)
 
@@ -50,6 +53,24 @@ static struct fs_mount_t littlefs_mnt = {
 };
 #endif
 
+static void blinfo_bootloader_version(void)
+{
+	struct image_version version = {0x00};
+
+	int ret = blinfo_lookup(BLINFO_BOOTLOADER_VERSION,
+				(char *)&version,
+				sizeof(struct image_version));
+
+	if (ret < 0) {
+		printf("blinfo_lookup error: %d\n", ret);
+	} else {
+		printf("bl iv_major: %d\n", version.iv_major);
+		printf("bl iv_minor: %d\n", version.iv_minor);
+		printf("bl iv_revision: %d\n", version.iv_revision);
+		printf("bl iv_build_num: %d\n", version.iv_build_num);
+	}
+}
+
 int main(void)
 {
 	int rc = STATS_INIT_AND_REG(smp_svr_stats, STATS_SIZE_32,
@@ -85,6 +106,8 @@ int main(void)
 	 */
 	LOG_INF("build time: " __DATE__ " " __TIME__);
 
+	blinfo_bootloader_version();
+
 	/* The system work queue handles all incoming mcumgr requests.  Let the
 	 * main thread idle while the mcumgr server runs.
 	 */

samples/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot.conf

@@ -0,0 +1,8 @@
+CONFIG_LOG=y
+CONFIG_MCUBOOT_LOG_LEVEL_INF=y
+
+CONFIG_RETAINED_MEM=y
+CONFIG_RETENTION=y
+CONFIG_BOOT_SHARE_DATA=y
+CONFIG_BOOT_SHARE_DATA_BOOTINFO=y
+CONFIG_BOOT_SHARE_BACKEND_RETENTION=y

samples/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot.overlay

@@ -0,0 +1,30 @@
+/ {
+	sram@22007FC0 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x22007FC0 0x40>;
+		zephyr,memory-region = "RetainedMem";
+		status = "okay";
+
+		retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			boot_info0: boot_info@0 {
+				compatible = "zephyr,retention";
+				status = "okay";
+				reg = <0x0 0x40>;
+			};
+		};
+	};
+
+	chosen {
+		zephyr,bootloader-info = &boot_info0;
+		zephyr,code-partition = &boot_partition;
+	};
+};
+
+&cpuapp_ram0 {
+	reg = <0x22000000 0x7FC0>;
+};