62 lines
1.6 KiB
Plaintext
62 lines
1.6 KiB
Plaintext
/*
|
|
* Devicetree Overlay for 128KB Flash
|
|
* - MCUboot Bootloader (32KB)
|
|
* - Application Slot (96KB)
|
|
*/
|
|
|
|
&flash0 {
|
|
/delete-node/ partitions;
|
|
partitions {
|
|
compatible = "fixed-partitions";
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
|
|
boot_partition: partition@0 {
|
|
label = "mcuboot";
|
|
reg = <0x00000000 DT_SIZE_K(32)>;
|
|
read-only;
|
|
};
|
|
|
|
slot0_partition: partition@8000 {
|
|
label = "image-0";
|
|
reg = <0x00008000 DT_SIZE_K(96)>;
|
|
};
|
|
};
|
|
};
|
|
|
|
/* Add retention memory to the existing SRAM node */
|
|
&sram0 {
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
|
|
retainedmem {
|
|
compatible = "zephyr,retained-ram";
|
|
status = "okay";
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
|
|
boot_mode: retention@7f00 {
|
|
compatible = "zephyr,retention";
|
|
status = "okay";
|
|
reg = <0x7f00 0x100>;
|
|
prefix = [08 04];
|
|
checksum = <1>;
|
|
};
|
|
};
|
|
};
|
|
|
|
/ {
|
|
chosen {
|
|
zephyr,boot-mode = &boot_mode;
|
|
zephyr,console = &cdc_acm_uart0;
|
|
};
|
|
};
|
|
|
|
&zephyr_udc0 {
|
|
status = "okay";
|
|
|
|
cdc_acm_uart0: cdc_acm_uart0 {
|
|
compatible = "zephyr,cdc-acm-uart";
|
|
label = "CDC_ACM_0";
|
|
};
|
|
}; |