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authoroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2008-07-21 16:03:15 +0000
committeroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2008-07-21 16:03:15 +0000
commit265e4e121afb23de8831539abb27e08ac4005e04 (patch)
treeb9a0c91f784922e278fa9bfd2e418d78cd42e7e6
parentdfbb9f3e89ae6a3769d0df2167208c7c07e22e3c (diff)
update jtag_speed/khz docs a bit.
git-svn-id: svn://svn.berlios.de/openocd/trunk@850 b42882b7-edfa-0310-969c-e2dbd0fdcd60
-rw-r--r--doc/openocd.texi13
1 files changed, 7 insertions, 6 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi
index c41832a7..8f9ca93e 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -322,12 +322,13 @@ Segger jlink usb adapter
@end itemize
@itemize @bullet
-@item @b{jtag_speed} <@var{reset speed}> <@var{post reset speed}>
+@item @b{jtag_speed} <@var{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. 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.
+speed. The actual effect of this option depends on the JTAG interface used.
+
+The speed used during reset can be adjusted using setting jtag_speed during
+pre_reset and post_reset events.
@itemize @minus
@item wiggler: maximum speed / @var{number}
@@ -339,7 +340,7 @@ is optional, in which case the reset speed is 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}>
+@item @b{jtag_khz} <@var{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
@@ -689,7 +690,7 @@ is set to 10kHz for reset and 8MHz for post reset.
@smallexample
-openocd -f interface/parport.cfg -c "jtag_khz 10 8000" -f target/str710.cfg -c "init" -c "reset"
+openocd -f interface/parport.cfg -f target/str710.cfg -c "init" -c "reset"
@end smallexample