zephyr/dts/common/nordic/nrf5340_cpuapp_partition.dtsi

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/*
* Copyright 2024 Embeint Inc
*
* SPDX-License-Identifier: Apache-2.0
*
* Default memory partitioning for nRF5340 application CPU.
*/
&flash0 {
/*
* Default Flash planning for nRF5340 series SoCs.
* This layout matches (by necessity) that in the TF-M repository:
*
* 0x0000_0000 BL2 - MCUBoot (64 KB)
* 0x0001_0000 Primary image area (448 KB):
* 0x0001_0000 Secure image primary (256 KB)
* 0x0005_0000 Non-secure image primary (192 KB)
* 0x0008_0000 Secondary image area (448 KB):
* 0x0008_0000 Secure image secondary (256 KB)
* 0x000c_0000 Non-secure image secondary (192 KB)
* 0x000f_0000 Protected Storage Area (16 KB)
* 0x000f_4000 Internal Trusted Storage Area (8 KB)
* 0x000f_6000 OTP / NV counters area (8 KB)
* 0x000f_8000 Non-secure storage, used when built with NRF_NS_STORAGE=ON,
* otherwise unused (32 KB)
*/
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
boot_partition: partition@0 {
label = "mcuboot";
reg = <0x00000000 0x10000>;
};
slot0_partition: partition@10000 {
label = "image-0";
reg = <0x00010000 0x40000>;
};
slot0_ns_partition: partition@50000 {
label = "image-0-nonsecure";
reg = <0x00050000 0x30000>;
};
slot1_partition: partition@80000 {
label = "image-1";
reg = <0x00080000 0x40000>;
};
slot1_ns_partition: partition@c0000 {
label = "image-1-nonsecure";
reg = <0x000c0000 0x30000>;
};
tfm_ps_partition: partition@f0000 {
label = "tfm-ps";
reg = <0x000f0000 0x00004000>;
};
tfm_its_partition: partition@f4000 {
label = "tfm-its";
reg = <0x000f4000 0x00002000>;
};
tfm_otp_partition: partition@f6000 {
label = "tfm-otp";
reg = <0x000f6000 0x00002000>;
};
storage_partition: partition@f8000 {
label = "storage";
reg = <0x000f8000 0x00008000>;
};
};
};
/ {
/* Default SRAM planning when building for nRF5340 with ARM TF-M support
* - Lowest 256 kB SRAM allocated to Secure image (sram0_s)
* - Upper 256 kB allocated to Non-Secure image (sram0_ns)
* Of the memory allocated to the Non-Secure image
* - 192 kB SRAM allocated to the Non-Secure application (sram0_ns_app).
* - 64 kB allocated to shared memory (sram0_shared).
* (See nrf5340_shared_sram_partition.dtsi)
*/
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
sram0_image: image@20000000 {
/* Zephyr image(s) memory */
reg = <0x20000000 DT_SIZE_K(448)>;
};
sram0_s: image_s@20000000 {
/* Secure image memory */
reg = <0x20000000 0x40000>;
};
sram0_ns: image_ns@20040000 {
/* Non-Secure image memory */
reg = <0x20040000 0x40000>;
};
sram0_ns_app: image_ns_app@20040000 {
/* Non-Secure image memory */
reg = <0x20040000 0x30000>;
};
};
};
#include "nrf5340_shared_sram_partition.dtsi"