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jtag_add_statemove() always uses TLR to get to RESET 

As decided a while back, this isn't a transition we want to chance.
Whenever someone wants to got to RESET, force it.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
David Brownell 2009-10-19 22:50:51 -07:00
parent 3cc147efd9
commit d243e641d3
1 changed files with 7 additions and 5 deletions
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12
src/jtag/core.c
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@ -567,12 +567,14 @@ int jtag_add_statemove(tap_state_t goal_state)
tap_state_name(goal_state));
if (goal_state == cur_state)
; /* nothing to do */
else if (goal_state == TAP_RESET)
{
/* If goal is RESET, be paranoid and force that that transition
* (e.g. five TCK cycles, TMS high). Else trust "cur_state".
*/
if (goal_state == TAP_RESET)
jtag_add_tlr();
}
else if (goal_state == cur_state)
/* nothing to do */ ;
else if (tap_is_state_stable(cur_state) && tap_is_state_stable(goal_state))
{
unsigned tms_bits = tap_get_tms_path(cur_state, goal_state);