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murpf
getting the dockstar into arm mode with jtag
February 07, 2013 04:16AM
hey everyone,

managed to brick my dockstar (accidently erased 0x0...). got a bus pirate with seeedstudio connect cable.
i connected the bus pirate to the jtag using the info at: http://translate.google.de/translate?hl=de&sl=fr&tl=en&u=http%3A%2F%2Fpsolyca.free.fr%2Fwiki%2Fdoku.php%3Fid%3Ddockstar%3Ajtag
i connected a cheap usb ttl converter like the one varkey used for the goflex net.

i think i got jtag running, but everytime i try to halt the cpu, it freezes in thumb mode :(
target state: halted
target halted in Thumb state due to debug-request, current mode: Supervisor
cpsr: 0x400000f3 pc: 0xffff0a42
MMU: enabled, D-Cache: enabled, I-Cache: enabled

how can i get that damn thing into arm mode to get a new uboot?

thanks
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Nicole
Re: getting the dockstar into arm mode with jtag
August 25, 2013 09:55AM
Have you tried this?

Type "halt" then hold the Dockstar's reset button, then press Enter, then release the button

/Nicole
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