Remote flash updates

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Moderator: nferre

Posts: 26
Joined: Fri Mar 16, 2007 3:41 pm

Remote flash updates

Fri Apr 06, 2007 10:35 pm

I currently have a 2.6.20 kernel and a ext2 rootfs installed on the dataflash of a SAM9260-EK board. For now this will serve my purpose however I'm sure in the future there will be a need to remotely reconfigure my custom boards.

My custom board will not typically be physically accessible and there will be several of them at a given customers site, so the only access I will have is via the network.

Whats a good strategy to have for remote updates (of both uImage and rootfs) ? Uboot/tftp is out because there's no physical access, uboot/nfs is out because customers will not setup a NFS server full time.

any suggestions appreciated,
Location: Sweden
Posts: 134
Joined: Wed Feb 18, 2004 5:53 pm

Tue Apr 17, 2007 8:00 am

2 x size of flash?
Download a new root fs and write it to the secondary area.
mount that and download the kernel into the root fs.
Update U-Boot environment variables to use the new fs.
Best Regards
Ulf Samuelsson

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