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(This message was transferred over from our old forum)
Posted August 17, 2015
By Todd DeBoer
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I have an ARM9DIMM kit and need to debug and flash a new code.
First I tried Keil ULINK2 jtag.ULINK2 detects the microcontroller but the NAND flash is not supported by Keil.
Second I tried openocd and openjtag.The openjtag also detects the lpc3250 but I can´t debug due
wrong configuration of openocd.I don´t know how to configure openocd for NXP LPC3250.
Do you have the openocd configuration file for LPC3250 ?
Is there any other jtag model that can be used to debug and flash ARM9DIMM ?
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(Follow up post)Answered:
We use Segger’s J-Link when doing JTAG transactions with their J-Link Commander, but it does not write to NAND directly.
Instead, when writing to flash, we use u-boot. It’s ‘nand’ commands write to flash without issue. The Linux distribution we include with our SOMDIMM-LPC3250 module has that already pre loaded and if you need it, the binaries is also on our web page at https://www.teamfdi.com/products/arm9-ts-kit/sw/LPC3250_Linux_v1.00.zip
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