# Partition Description

| Partition Name    | Description             |
| :-------: | :-------------: |
| KEY_CUST | secure boot key 
| LOGO     | bootlogo 
| KERNEL   | kernel 
| RECOVERY | kernel backup 
| wtinfo   | factory configuration info 
| nvram    | nvram partition 
| overlay  | overlay
| ubi      | rootfs 


## Partition resizing
```shell
# Modify sys_part.txt by using a text editor, e.g. add a partition
# 0x20000(KEY_CUST),0x60000(LOGO),0x500000(KERNEL),0x500000(RECOVERY),0x40000(wtinfo),0x40000(nvram),0x1600000(overlay),0x1600000(cus),-(ubi)
cd ssd20x-images-open/partition
sh part.sh 2G #2G is flash size; if it is 1G, change it to 1G
cp cis.bin ../WT2022/
cp PARTINFO.pni ../WT2022/boot
# Please copy the modified partitions in sys_part.txt to ../WT2022/scripts/[[set_partition.es and ../WT2022/scripts_bin/[[set_partition.es
# setenv mtdparts $(mtdparts),0x20000(KEY_CUST),0x60000(LOGO),0x500000(KERNEL),0x500000(RECOVERY),0x40000(wtinfo),0x40000(nvram),0x1600000(overlay),0x1600000(cus),-(ubi)

```