Okay we can make an SD card that will force a U-Boot update and power
down easily..
--
Matt Sealey
matt@genesi-usa.com
Product Development Analyst, Genesi USA, Inc.
On Wed, Jan 19, 2011 at 4:37 AM, Per Forlin
per.forlin@linaro.org wrote:
> Hi Matt,
>
> On 18 January 2011 15:03, Matt Sealey
matt@genesi-usa.com wrote:
>>
>> IN THEORY, the system should flash it and then power off. You'll see
>> the caps lock led blink 3 times then it'll shut down. At this point
>> take the SD out... flip the DIPs back, et voila. However if the system
>> is constantly rebooting and flashing, you have those 3 blinks to
>> basically kill the system (yank AC with no battery) or it will be
>> halfway through a flash update and NOR will be invalid again.
> I run the updater-sd-card successfully at one time and it
> proceeded as you described it, caps lock blink 3 times then shut down.
>
>>
>> If we're at the point we're having more trouble at this point please
>> give me a nudge and I'll create a solution for rescues that will suit
>> your exact situation.
>>
>> I am curious, how did you get to this state in the first place?
> My inexperience with writing u-boot scripts but me in this situation.
> I wanted to
> write my own u-boot script. Now when I boot the caps lock is not blinking
> instead there is a steady bright light.
>
> I haven't double checked what I did to make this happen yet. I used
> setenv with invalid bootargs
> but I didn't store them. This weekend I will make a new attempt
> bringing it back to life.
> I don't have a arm development board at home to test patches on so I
> thought I may
> use this one for it. I just need to get familiar with the boot/flash
> procedures first :)
>
> Thanks for you detailed instructions.
>
>> --
>> Matt Sealey
matt@genesi-usa.com
>> Product Development Analyst, Genesi USA, Inc.
>>
>>
>>
>> On Tue, Jan 18, 2011 at 4:02 AM, Loïc Minier
loic.minier@linaro.org wrote:
>>> On Tue, Jan 18, 2011, Per Förlin wrote:
>>>> If I mess up the u-boot in my efikamx smart book how can I install a new one?
>>>> I tried booting with an SD-card image from
>>>>
http://www.powerdeveloper.org/asset/by-id/116. I guess this only works
>>>> if I have a working u-boot in place.
>>>>
>>>> I don't have the serial/JTAG connector. Is this what I need in order to recover?
>>>
>>> There is a series of DIP switches in the back panel (where you plug the
>>> debug cable); depending on their positions, the board will boot from
>>> SD, micro-SD or from flash. You can create a "replace all my flash
>>> contents with a known-good u-boot" SD card with the bits provided by
>>> genesi.
>>>
>>> --
>>> Loïc Minier
>>>
>>> _______________________________________________
>>> linaro-dev mailing list
>>> linaro-dev@lists.linaro.org
>>>
http://lists.linaro.org/mailman/listinfo/linaro-dev
>>>
>>
>> _______________________________________________
>> linaro-dev mailing list
>> linaro-dev@lists.linaro.org
>>
http://lists.linaro.org/mailman/listinfo/linaro-dev
>>
>