mcuboot builds with west build -p -b mellifera_rev1 ../mcuboot/boot/zephyr/ -- -DCONF_FILE=$(pwd)/boot.conf

app/prj.conf

@@ -20,3 +20,6 @@ CONFIG_CBPRINTF_FP_SUPPORT=y
 
 CONFIG_BT=y
 CONFIG_BT_DEVICE_NAME="Mellifera"
+
+CONFIG_BOOTLOADER_MCUBOOT=y
+CONFIG_MCUBOOT_GENERATE_UNSIGNED_IMAGE=y

boot.conf

@@ -0,0 +1,40 @@
+CONFIG_PM=n
+
+CONFIG_BOOT_SIGNATURE_TYPE_NONE=y
+
+CONFIG_MAIN_STACK_SIZE=10240
+# CONFIG_MBEDTLS_CFG_FILE="mcuboot-mbedtls-cfg.h"
+
+CONFIG_BOOT_SWAP_SAVE_ENCTLV=n
+CONFIG_BOOT_ENCRYPT_IMAGE=n
+
+CONFIG_BOOT_UPGRADE_ONLY=n
+CONFIG_BOOT_BOOTSTRAP=n
+
+### mbedTLS has its own heap
+# CONFIG_HEAP_MEM_POOL_SIZE is not set
+
+### We never want Zephyr's copy of tinycrypt.  If tinycrypt is needed,
+### MCUboot has its own copy in tree.
+# CONFIG_TINYCRYPT is not set
+# CONFIG_TINYCRYPT_ECC_DSA is not set
+# CONFIG_TINYCRYPT_SHA256 is not set
+
+CONFIG_FLASH=y
+
+### Various Zephyr boards enable features that we don't want.
+# CONFIG_BT is not set
+# CONFIG_BT_CTLR is not set
+# CONFIG_I2C is not set
+
+CONFIG_LOG=y
+CONFIG_LOG_MODE_MINIMAL=y # former CONFIG_MODE_MINIMAL
+### Ensure Zephyr logging changes don't use more resources
+CONFIG_LOG_DEFAULT_LEVEL=0
+### Use info log level by default
+CONFIG_MCUBOOT_LOG_LEVEL_INF=y
+### Decrease footprint by ~4 KB in comparison to CBPRINTF_COMPLETE=y
+CONFIG_CBPRINTF_NANO=y
+### Use the minimal C library to reduce flash usage
+CONFIG_MINIMAL_LIBC=y
+

west.yml

@@ -8,11 +8,14 @@ manifest:
   remotes:
     - name: zephyrproject-rtos
       url-base: https://github.com/zephyrproject-rtos
+    - name: mcu-tools
+      url-base: https://github.com/mcu-tools
 
   projects:
     - name: zephyr
       remote: zephyrproject-rtos
       revision: main
+      # revision: v3.6.0
       import:
         # By using name-allowlist we can clone only the modules that are
         # strictly needed by the application.
@@ -20,3 +23,6 @@ manifest:
           - cmsis      # required by the ARM port
           - hal_nordic # required by the custom_plank board (Nordic based)
           - hal_stm32  # required by the nucleo_f302r8 board (STM32 based)
+    - name: mcuboot
+      remote: mcu-tools
+      revision: v2.0.0