Jason, These instructions are great, however they don't work for the newer v10 Dreamplugs. I would be happy to lend my v10 Dreamplug to the cause to get a workable U-Boot for it.
-- Steven McGrath Sent with Sparrow (http://www.sparrowmailapp.com/?sig) On Monday, July 2, 2012 at 1:20 PM, Jason wrote: > On Fri, Jun 29, 2012 at 10:37:56AM -0500, Steven McGrath wrote: > > I was recommended to contact you about the possibility un-bricking my > > dream plug v10. Per the recommendation of some individuals, I > > attempted to ref lash my boot to a newer version, essentially bricking > > it. I do have a jtag, however I haven't been able to successfully ref > > lash any boots to the device. If you can offer any advice on what > > boot versions I should be using and if you have a known good process > > for getting the kwb files to stick, i would be very grateful. > > > > > Steve, > > Sorry to hear about your predicament. Here's how I flash u-boot onto my > dreamplug: > > 0) read over all instructions before starting this > > 0.5) open a terminal with a serial connect to dp > > screen /dev/ttyUSB0 115200 > > -OR- > > minicom -o -w -s # and setup appropriately > > 1) build the latest u-boot tag (2012.04.01) > > cd /path/to/u-boot > git checkout v2012.04.01 > make CROSS_COMPILE=arm-none-linux-gnueabi- dreamplug_config > make -j16 CROSS_COMPILE=arm-none-linux-gnueabi- u-boot.kwb > > This yields 'u-boot' and 'u-boot.kwb' in the top of the source tree. > > 2) launch openocd in the same directory > > sudo openocd -f /usr/share/openocd/scripts/board/sheevaplug.cfg > > 3) in another terminal, telnet into openocd > > telnet localhost 4444 > > 4) in TELNET session, do the following > > sheevaplug_init > load_image u-boot > load_image u-boot.kwb 0x0800000 > resume 0x0600000 > > 5) Quick, jump over to SERIAL terminal and hit a key to stop the boot > > 6) In SERIAL session, flash the image > > sf probe 0 > sf erase 0x0 0x100000 > sf write 0x0800000 0x0 0x100000 > # and then test with > reset > > 7) pause the bootup and configure the u-boot environment > > from there you should be good to go. > > hth, > > Jason.
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