[U-Boot-Users] How to use u-boot to load kernel and file system to one partition in NAND

Nancy Isaac nancy.isaac at calix.com
Thu Nov 2 21:12:52 CET 2006

I am trying to see if u-boot allows to have a single partition for both
kernel and file system in NAND Flash.
Currently, we have one 4M partition for kernel and the rest of the NAND
flash for file system.
But, I am looking for possible ways of upgrading the kernel in the
Currently, I am looking at two possible approaches:
1. add an extra partition in the NAND flash and keep the second kernel
in there and have some way in u-boot to decide which one to load.
2. if u-boot allows, have one single partition for both kernel and file
system and upload both kernel images and have a soft link to a kernel
I can't find a way to do the second option above, but that would be
ideal for field upgrade.  Has anyone tried either of these approaches or
have any other idea of how to do this? I am new to using u-boot and
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