[PATCH 00/15] KBOOT boots NAND kernel

Werner Almesberger werner at openmoko.org
Thu Aug 14 03:19:42 CEST 2008

xiangfu wrote:
> what is meaning of the jtag_speed ?

In general, it's how slow the JTAG communication happens.
So, quite counter-intuitively, a high value is slower.

In the case of the FT2232 used in our debug board, it's a clock
divisor. The bit rate is 6MHz/(jtag_speed+1)

- Werner

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