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Lacie wireless space u-boot and jtag backup-restore with openocd (no replies)

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Hi,
I am new to this forum but have some history with certain devices and other forums.
I started this topic because I received a Lacie wireless space device and woild like to set it up with new u-boot and openwrt.
I would need some help with it.
First, I compiled a version of u-boot from 2013.07. The config for this device was not kept in the mainline u-boot distribution.I wander if it is possible to reinclude it. I would do this with a little help.
Also, i can access the device with serial and can enter the u-boot console on stock version. Need some guide on backup using u-boot.
Maybe redboot would be also possible to be installed?
Also, I have jtag access with openocd. I have a tumpa device which is supported in openocd. There are configbfiles for feroceon but the samsung 128 mb flash i don't know if it is supported. I don't know if any board config can be used or i need to make another.
So could someone help me in some steps to hack this device? What inwould like:
-ability to backup / restore flash with jtag. This woild be a first step
- u-boot, recent version, flash repartition
- maybe dual boot in failsafe if long-pressing the power button
- ability to setup autostart if care of power failure
- openwrt in flash only and sata hdd to be used only as storage.
I will post here some device data.

Kind regards

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