Initial commit for nrf5340_audio

sysbuild/mcuboot/app_fota.overlay

@@ -0,0 +1,5 @@
+/ {
+	chosen {
+		zephyr,code-partition = &boot_partition;
+	};
+};

sysbuild/mcuboot/boards/nrf5340_audio_dk_nrf5340_cpuapp_fota.overlay

@@ -0,0 +1,7 @@
+#include "../../../boards/nrf5340_audio_dk_nrf5340_cpuapp_fota.overlay"
+
+/ {
+	chosen {
+		nordic,pm-ext-flash = &mx25r64;
+	};
+};

sysbuild/mcuboot/prj_fota.conf

@@ -0,0 +1,62 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+CONFIG_PM=n
+
+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_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
+CONFIG_FPROTECT=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
+CONFIG_NRF_RTC_TIMER_USER_CHAN_COUNT=0
+
+CONFIG_BOOT_MAX_IMG_SECTORS=2048
+
+# Flash
+CONFIG_SPI=y
+CONFIG_SPI_NOR=y
+CONFIG_SPI_NOR_SFDP_DEVICETREE=y
+CONFIG_SPI_NOR_CS_WAIT_DELAY=5
+CONFIG_SPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096
+CONFIG_MULTITHREADING=y
+CONFIG_BOOT_ERASE_PROGRESSIVELY=y
+CONFIG_SOC_FLASH_NRF_EMULATE_ONE_BYTE_WRITE_ACCESS=y
+
+# The network core cannot access external flash directly. The flash simulator must be used to
+# provide a memory region that is used to forward the new firmware to the network core.
+CONFIG_FLASH_SIMULATOR=y
+CONFIG_FLASH_SIMULATOR_DOUBLE_WRITES=y
+CONFIG_FLASH_SIMULATOR_STATS=n