Re: Flash GuruPlug NAND without JTAG cable?

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On Sun, May 9, 2010 at 3:46 AM, Jon Hermansen <jon.hermansen@xxxxxxxxx> wrote:
> Hello all,
>  I just got a brand new GuruPlug a few days ago and I was hoping to install
> Fedora ARM on it as soon as possible. Well, the only problem is, I neglected
> to get the JTAG breakout box / cables required to get the U-Boot prompt and
> thus, as far as I can tell, can't do much about loading a new U-Boot version
> (hopefully to boot from microSD), putting a new U-Boot config, Linux kernel
> and accompanying rootfs on the NAND/external MicroSD card. I can see the
> /dev/mtd* devices from Debian 5.0.3, kernel 2.6.32-00007-g56678ec, but I
> have yet to write to them from my live system as I want to be absolutely
> sure about what I'm doing on this front.
>
> I'd also like to know if I can use the internal NAND/external MicroSD card
> as one big device, as opposed to two seperate devices. I realize the NAND is
> not addressed as a block device, but if they both can contain filesystems,
> does that mean that I can use UnionFS (or something similiar) to bridge two
> seperate filesystems and divide the space taken up by data between the two
> storage devices?
>
> If anyone could provide any more information on what I'm attempting to do
> (flash NAND, reinstall OS) without a JTAG cable, either on a SheevaPlug or a
> GuruPlug (from what I've read, they are nearly the same), it would be
> greatly appreciated.
>
> Thanks to all of you guys for working out the kinks in Fedora ARM, and I'm
> looking forward to using my favorite distro on the smallest PC I've ever
> had...
>
> Jon Hermansen
>
start here -> https://fedoraproject.org/wiki/Architectures/ARM


-- 
------------

Itamar Reis Peixoto
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