samples: matter: bootloader size optimizations

Add LTO and size optimization configs for mcuboot and remove
redundant configs.
Set mcuboot size to `0xD000` for nRF54Lxx
Remove PDK overlays.

Signed-off-by: Maciej Baczmanski <[email protected]>

Author: maciejbaczmanski

doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst

@@ -351,6 +351,13 @@ Matter samples
 * Updated all Matter samples that support low-power mode to enable the :ref:`lib_ram_pwrdn` feature.
   It is enabled by default for the release configuration of the :ref:`matter_lock_sample`, :ref:`matter_light_switch_sample`, :ref:`matter_smoke_co_alarm_sample`, and :ref:`matter_window_covering_sample` samples.
 
+* Updated:
+
+  * All Matter samples that support low-power mode to enable the :ref:`lib_ram_pwrdn` feature.
+    It is enabled by default for the release configuration of the :ref:`matter_lock_sample`, :ref:`matter_light_switch_sample`, :ref:`matter_smoke_co_alarm_sample`, and :ref:`matter_window_covering_sample` samples.
+
+  * The ``pm_static`` configuration for the :ref:`zephyr:nrf54l15dk_nrf54l15` board target, increasing MCUboot size to enable the ED25519 signature type.
+
 * :ref:`matter_template_sample` sample:
 
   * Updated the internal configuration for the :ref:`zephyr:nrf54l15dk_nrf54l15` target to use the DFU image compression and provide more memory space for the application.

samples/matter/light_bulb/pm_static_nrf54l15dk_nrf54l15_cpuapp.yml

@@ -1,45 +1,45 @@
 mcuboot:
   address: 0x0
   region: flash_primary
-  size: 0xc000
+  size: 0xD000
 mcuboot_pad:
-  address: 0xc000
+  address: 0xD000
   region: flash_primary
   size: 0x800
 app:
-  address: 0xc800
+  address: 0xD800
   region: flash_primary
-  size: 0x165800
+  size: 0x164800
 mcuboot_primary:
   orig_span: &id001
   - mcuboot_pad
   - app
   span: *id001
-  address: 0xc000
+  address: 0xD000
   region: flash_primary
-  size: 0x166000
+  size: 0x165000
 mcuboot_primary_app:
   orig_span: &id002
   - app
   span: *id002
-  address: 0xc800
+  address: 0xD800
   region: flash_primary
-  size: 0x165800
+  size: 0x164800
 factory_data:
   address: 0x172000
   region: flash_primary
   size: 0x1000
 settings_storage:
   address: 0x173000
   region: flash_primary
-  size: 0xa000
+  size: 0xA000
 mcuboot_secondary:
   address: 0x0
   orig_span: &id003
   - mcuboot_secondary_pad
   - mcuboot_secondary_app
   region: external_flash
-  size: 0x166000
+  size: 0x165000
   span: *id003
 mcuboot_secondary_pad:
   region: external_flash
@@ -48,9 +48,9 @@ mcuboot_secondary_pad:
 mcuboot_secondary_app:
   region: external_flash
   address: 0x800
-  size: 0x165800
+  size: 0x164800
 external_flash:
-  address: 0x166000
-  size: 0x69a000
+  address: 0x165000
+  size: 0x69B000
   device: MX25R64
   region: external_flash

samples/matter/light_bulb/pm_static_nrf54l15dk_nrf54l15_cpuapp_ns.yml

@@ -2,27 +2,27 @@
 mcuboot:
   address: 0x0
   region: flash_primary
-  size: 0xc000
+  size: 0xD000
 mcuboot_pad:
-  address: 0xc000
+  address: 0xD000
   region: flash_primary
   size: 0x800
 tfm:
-  address: 0xc800
+  address: 0xD800
   region: flash_primary
   size: 0x1F800
 app:
-  address: 0x2C000
+  address: 0x2D000
   region: flash_primary
-  size: 0x13E000
+  size: 0x13D000
 factory_data:
   address: 0x16A000
   region: flash_primary
   size: 0x1000
 settings_storage:
   address: 0x16B000
   region: flash_primary
-  size: 0xa000
+  size: 0xA000
 tfm_storage:
   address: 0x175000
   orig_span: &id006
@@ -33,8 +33,8 @@ tfm_storage:
   size: 0x8000
   span: *id006
 external_flash:
-  address: 0x15E000
-  size: 0x6A2000
+  address: 0x15D000
+  size: 0x6A3000
   device: MX25R64
   region: external_flash
 ### Bootloader configuration
@@ -44,24 +44,24 @@ mcuboot_primary:
   - tfm
   - app
   span: *id001
-  address: 0xc000
+  address: 0xD000
   region: flash_primary
-  size: 0x15E000
+  size: 0x15D000
 mcuboot_primary_app:
   orig_span: &id002
   - app
   - tfm
   span: *id002
-  address: 0xc800
+  address: 0xD800
   region: flash_primary
-  size: 0x15D800
+  size: 0x15C800
 mcuboot_secondary:
   address: 0x0
   orig_span: &id003
   - mcuboot_secondary_pad
   - mcuboot_secondary_app
   region: external_flash
-  size: 0x15E000
+  size: 0x15D000
   span: *id003
 mcuboot_secondary_pad:
   region: external_flash
@@ -70,22 +70,22 @@ mcuboot_secondary_pad:
 mcuboot_secondary_app:
   region: external_flash
   address: 0x800
-  size: 0x15D800
+  size: 0x15C800
 ### TFM configuration
 tfm_secure:
-  address: 0xc000
+  address: 0xD000
   orig_span: &id004
   - mcuboot_pad
   - tfm
   region: flash_primary
   size: 0x20000
   span: *id004
 tfm_nonsecure:
-  address: 0x2C000
+  address: 0x2D000
   orig_span: &id005
   - app
   region: flash_primary
-  size: 0x13E000
+  size: 0x13D000
   span: *id005
 tfm_its:
   address: 0x175000

samples/matter/light_bulb/sysbuild/mcuboot/boards/nrf54l15pdk_nrf54l15_cpuapp.conf

@@ -13,8 +13,6 @@ CONFIG_PM=n
 CONFIG_FLASH=y
 CONFIG_FPROTECT=y
 
-CONFIG_MBEDTLS_CFG_FILE="mcuboot-mbedtls-cfg.h"
-
 # Use minimal C library instead of the Picolib
 CONFIG_MINIMAL_LIBC=y
 
@@ -37,3 +35,8 @@ CONFIG_MULTITHREADING=n
 CONFIG_TICKLESS_KERNEL=n
 CONFIG_TIMEOUT_64BIT=n
 CONFIG_NRF_ENABLE_ICACHE=n
+CONFIG_SIZE_OPTIMIZATIONS=y
+
+# Activate LTO
+CONFIG_LTO=y
+CONFIG_ISR_TABLES_LOCAL_DECLARATION=y

samples/matter/light_bulb/sysbuild/mcuboot/boards/nrf54l15pdk_nrf54l15_cpuapp.overlay

@@ -1,45 +1,45 @@
 mcuboot:
   address: 0x0
   region: flash_primary
-  size: 0xc000
+  size: 0xD000
 mcuboot_pad:
-  address: 0xc000
+  address: 0xD000
   region: flash_primary
   size: 0x800
 app:
-  address: 0xc800
+  address: 0xD800
   region: flash_primary
-  size: 0x165800
+  size: 0x164800
 mcuboot_primary:
   orig_span: &id001
   - mcuboot_pad
   - app
   span: *id001
-  address: 0xc000
+  address: 0xD000
   region: flash_primary
-  size: 0x166000
+  size: 0x165000
 mcuboot_primary_app:
   orig_span: &id002
   - app
   span: *id002
-  address: 0xc800
+  address: 0xD800
   region: flash_primary
-  size: 0x165800
+  size: 0x164800
 factory_data:
   address: 0x172000
   region: flash_primary
   size: 0x1000
 settings_storage:
   address: 0x173000
   region: flash_primary
-  size: 0xa000
+  size: 0xA000
 mcuboot_secondary:
   address: 0x0
   orig_span: &id003
   - mcuboot_secondary_pad
   - mcuboot_secondary_app
   region: external_flash
-  size: 0x166000
+  size: 0x165000
   span: *id003
 mcuboot_secondary_pad:
   region: external_flash
@@ -48,9 +48,9 @@ mcuboot_secondary_pad:
 mcuboot_secondary_app:
   region: external_flash
   address: 0x800
-  size: 0x165800
+  size: 0x164800
 external_flash:
-  address: 0x166000
-  size: 0x69a000
+  address: 0x165000
+  size: 0x69B000
   device: MX25R64
   region: external_flash