Steps to Configure UBIFS Boot - 2021.1 English

1. Select petalinux-config > Image Packaging Configuration > Root filesystem type (UBI/UBIFS).
2. Specify the arguments used in mkfs.ubifs to create the UBIFS partition-m 2 -e 130944 -c 400 For QSPI 128 erase block size.
3. Specify the arguments used in ubisize to create the UBIFS partition. -m 2048 -p 128KiB -s 512 For QSPI 128 erase block size.
4. Specify the ubifs part name to add in bootargs, for example, ubifs.
   Note: Ensure that you create the QSPI partition with the specified name.
5. Specify the root file system format to build rootfs.ubi during the build.

   For example,

   tar.gz cpio cpio.gz.u-boot cpio.gz ext4 jffs2 ubi

   .

ZynqMP> setenv serverip <HOST IP ADDRESS>;

1. Detect Flash Memory.

   ZynqMP> sf probe 0 0 0

2. Erase Flash Memory.

   ZynqMP> sf erase 0 0x8000000

3. Read images onto Memory and write into Flash.
   • Read BOOT.BIN.

     ZynqMP> tftpboot 0x80000 BOOT.BIN

   • Write BOOT.BIN.

     ZynqMP> sf write 0x80000 0x0 <size of boot.bin>

     Example: sf write 0x80000 0x0 0x10EF48

   • Read image.ub.

     ZynqMP> tftpboot 0x80000 image.ub

   • Write image.ub.

     ZynqMP>sf write 0x80000 <loading address of kernel> <size of image.ub>

     Example: sf write 0x80000 0xF40000 0x6cb0e4

   • Read rootfs.ubi.

     ZynqMP> tftpboot 0x80000 rootfs.ubi

   • Write rootfs.ubi.

     ZynqMP> sf write 0x80000 <loading address of rootfs.ubi> <size of rootfs.ubi>

     Example: sf write 0x80000 0x04000000 0x7d4000

   • Read boot.scr

     ZynqMP> tftpboot 0x80000 boot.scr

   • Write boot.scr

     ZynqMP> sf write 0x80000 <loading address of boot.scr> < size of boot.scr>

     Example: sf write 0x80000 0x03e80000 0x80000

     Note: Check the offsets for kernel and root file system at petalinux-config > u-boot Configuration > u-boot script configuration. If they do not match, the process may fail at the U-Boot prompt.