Okay we can make an SD card that will force a U-Boot update and power down easily..
-- Matt Sealey <m...@genesi-usa.com> Product Development Analyst, Genesi USA, Inc. On Wed, Jan 19, 2011 at 4:37 AM, Per Forlin <per.for...@linaro.org> wrote: > Hi Matt, > > On 18 January 2011 15:03, Matt Sealey <m...@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 <m...@genesi-usa.com> >> Product Development Analyst, Genesi USA, Inc. >> >> >> >> On Tue, Jan 18, 2011 at 4:02 AM, Loïc Minier <loic.min...@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 >> > _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
