diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/openocd.texi | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index dfb2f666..15144d02 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -273,12 +273,18 @@ Cirrus Logic EP93xx based single-board computer bit-banging (in development) @end itemize @itemize @bullet -@item @b{jtag_speed} <@var{number}> +@item @b{jtag_speed} <@var{reset speed}> <@var{post reset speed}> @cindex jtag_speed Limit the maximum speed of the JTAG interface. Usually, a value of zero means maximum -speed. The actual effect of this option depends on the JTAG interface used. - +speed. The actual effect of this option depends on the JTAG interface used. Reset +speed is used during reset and post reset speed after reset. post reset speed +is optional, in which case the reset speed is used. @itemize @minus + + + + + @item wiggler: maximum speed / @var{number} @item ft2232: 6MHz / (@var{number}+1) @item amt jtagaccel: 8 / 2**@var{number} @@ -287,6 +293,13 @@ speed. The actual effect of this option depends on the JTAG interface used. Note: Make sure the jtag clock is no more than @math{1/6th × CPU-Clock}. This is especially true for synthesized cores (-S). +@item @b{jtag_khz} <@var{reset speed kHz}> <@var{post reset speed kHz}> +@cindex jtag_khz +Same as jtag_speed, except that the speed is specified in maximum kHz. If +the device can not support the rate asked for, or can not translate from +kHz to jtag_speed, then an error is returned. 0 means RTCK. If RTCK +is not supported, then an error is reported. + @item @b{reset_config} <@var{signals}> [@var{combination}] [@var{trst_type}] [@var{srst_type}] @cindex reset_config The configuration of the reset signals available on the JTAG interface AND the target. |