BB v3c (ftdi_vid_pid 0x0403 0x7780) and MIPS 4Ke

High-speed USB 2.0 JTAG debugger and flash programmer. V2 available now for $34.95.

BB v3c (ftdi_vid_pid 0x0403 0x7780) and MIPS 4Ke

Postby frares » Mon Apr 01, 2019 2:54 pm


I'm trying to transfer a boot loader to a SoC with a MIPS 4Ke core using a busblaster v3c recently acquired from Digi-Key.

Trying to use OpenOCD and MIPS' Codescape Debugger, none were able to halt the cpu. Codescape Debugger was even less successful in contacting the board (busblaster seems OK).

I've followed an extensive list of dead links for documentation, scripts and configuration files, so now I don't know anymore what to do, except ask for help here ;-)

Any live resources out there?

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Joined: Mon Apr 01, 2019 2:35 pm

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