[nrf toup][nrfconnect] Enable ZMS in nrfconnect if RRAM is in use.

Disabled NVS and enabled ZMS fs backend for all devices that
uses RRAM.

Signed-off-by: Arkadiusz Balys <arkadiusz.balys@nordicsemi.no>

Author: ArekBalysNordic

config/nrfconnect/chip-module/CMakeLists.txt

@@ -210,6 +210,13 @@ if (CONFIG_CHIP_PW_RPC)
     matter_add_gn_arg("pw_build_LINK_DEPS" [\"${PIGWEED_DIR}/pw_assert:impl\",\ \"${PIGWEED_DIR}/pw_log:impl\"])
 endif()
 
+# Inform users that they use not-optimized settings backend for the nRF54LX series.
+if(CONFIG_SOC_SERIES_NRF54LX AND CONFIG_SETTINGS_NVS)
+    message(WARNING "
+    The nRF54L series is not optimized for the NVS settings backend due to RRAM specifications.
+    Consider using the CONFIG_SETTINGS_ZMS Kconfig option, which is recommended for this type of non-volatile memory.")
+endif()
+
 matter_generate_args_tmp_file()
 
 # ==============================================================================

config/nrfconnect/chip-module/Kconfig

@@ -17,8 +17,12 @@
 rsource "../../zephyr/Kconfig"
 
 config CHIP
-	imply NVS_LOOKUP_CACHE
-	imply NVS_LOOKUP_CACHE_FOR_SETTINGS
+	imply NVS if !SOC_FLASH_NRF_RRAM
+	imply NVS_LOOKUP_CACHE if !SOC_FLASH_NRF_RRAM
+	imply NVS_LOOKUP_CACHE_FOR_SETTINGS if !SOC_FLASH_NRF_RRAM
+	imply ZMS if SOC_FLASH_NRF_RRAM
+	imply ZMS_LOOKUP_CACHE if SOC_FLASH_NRF_RRAM
+	imply ZMS_LOOKUP_CACHE_FOR_SETTINGS if SOC_FLASH_NRF_RRAM
 
 if CHIP
 
@@ -322,9 +326,9 @@ config CHIP_DEVICE_GENERATE_ROTATING_DEVICE_UID
 endif # CHIP_FACTORY_DATA_BUILD
 
 # See config/zephyr/Kconfig for full definition
-config CHIP_FACTORY_RESET_ERASE_NVS
-	bool
+config CHIP_FACTORY_RESET_ERASE_SETTINGS
 	default y
+	depends on NVS || ZMS
 	depends on !CHIP_CRYPTO_PSA_MIGRATE_DAC_PRIV_KEY
 
 config CHIP_LOG_SIZE_OPTIMIZATION

config/nrfconnect/chip-module/Kconfig.defaults

@@ -67,7 +67,10 @@ config COMMON_LIBC_MALLOC_ARENA_SIZE
     default -1
 
 config NVS_LOOKUP_CACHE_SIZE
-    default 512
+    default 512 if NVS
+
+config ZMS_LOOKUP_CACHE_SIZE
+    default 512 if ZMS
 
 # ==============================================================================
 # Zephyr networking configuration

docs/guides/nrfconnect_examples_configuration.md

@@ -207,8 +207,8 @@ set the `CONFIG_CHIP_NFC_COMMISSIONING` option.
 By default, the factory reset procedure implemented in the Matter stack removes
 Matter-related settings only. If your application does not depend on any
 device-lifelong data stored in the non-volatile storage, set the
-`CONFIG_CHIP_FACTORY_RESET_ERASE_NVS` option to fully erase the NVS partition at
-the factory reset. This approach is more robust and regains the original NVS
+`CONFIG_CHIP_FACTORY_RESET_ERASE_SETTINGS` option to fully erase the non-volatile settings partition at
+the factory reset. This approach is more robust and regains the original non-volatile
 performance in case it has been polluted with unwanted entries.
 
 #### Logging

src/platform/nrfconnect/FactoryDataProvider.cpp

@@ -160,6 +160,10 @@ CHIP_ERROR FactoryDataProvider<FlashFactoryData>::MoveDACPrivateKeyToSecureStora
         }
 
 #ifdef CONFIG_CHIP_CRYPTO_PSA_MIGRATE_DAC_PRIV_KEY
+#ifdef CONFIG_CHIP_FACTORY_RESET_ERASE_SETTINGS
+#error "Do not use both CONFIG_CHIP_FACTORY_RESET_ERASE_SETTINGS and CONFIG_CHIP_CRYPTO_PSA_MIGRATE_DAC_PRIV_KEY kconfig options " \
+       "because you will permanently lose the DAC private key from the device."
+#endif
         // Check once again if the saved key has attributes set before removing it from the factory data set.
         VerifyOrReturnError(psa_get_key_attributes(mDACPrivKeyId, &attributes) == PSA_SUCCESS, CHIP_ERROR_INTERNAL);