I remember I have unbricked sheevaplug with USB key. But I'm still not sure if effort is not useless as I see no conclusion about u-boot ability to recover UBIFS partition (at least to try). Can anybody tell it for sure?
On Mon, Oct 29, 2012 at 2:15 PM, Prafulla Wadaskar <prafu...@marvell.com>wrote: > > > > -----Original Message----- > > From: u-boot-boun...@lists.denx.de [mailto:u-boot- > > boun...@lists.denx.de] On Behalf Of Andreas Bießmann > > Sent: 29 October 2012 14:41 > > To: Dimax > > Cc: Marek Vasut; u-boot@lists.denx.de > > Subject: Re: [U-Boot] UBIFS fails on SheevaPlug > > > > Dear Dimax, > > > > please do not TOFU. > > > > On 29.10.2012 09:50, Dimax wrote: > > > Hi, > > > What if I compile a new u-boot but to try it I will load and flash > > new > > > created image after original u-boot and will run it from withing > > > original reboot manually just pointing a new image address? Can it > > work? > > > > well, you mean to run a u-boot out of a running u-boot? > > U-Boot is not designed to do so. But some devices may allow you to > > It will not work. > > > just > > run a newer u-boot from a running one (at91;). You need to know that > > u-boot set up your SDRAM timings which destroys the content of the > > DRAM. > > So if your new u-boot is located there it can not be executed. > > I dunno if the kirkwood can do so, but I think they can not. You will > > need > > a) a JTAG > > b) another boot device, for example USB, MMC, whichever device the > > kirwood SoC can read from its ROM code (I do not know) > > to de-brick it. > > > > Please ask some kirkwood specialist or google, there are a lot of > > sheevaplug hackers out there, one of them may be able to help you > > here. > > You will need a JTAG key (amontec on any other) and OpenOCD s/w tool. > Then you can build and test your code on Kirkwood w/o flashing on the > device (i.e. running from RAM) > > You may look for developer guidelines on the google or plugcomputer forum. > > Regards... > Prafulla . . . >
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