diff options
| -rw-r--r-- | src/jtag/ft2232.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c index 9265b436..bebf707a 100644 --- a/src/jtag/ft2232.c +++ b/src/jtag/ft2232.c @@ -1587,8 +1587,16 @@ static int ft2232_execute_statemove(jtag_command_t *cmd) } ft2232_end_state(cmd->cmd.statemove->end_state); - /* move to end state */ - if (tap_get_state() != tap_get_end_state()) + /* For TAP_RESET, ignore the current recorded state. It's often + * wrong at server startup, and this transation is critical whenever + * it's requested. + */ + if (tap_get_end_state() == TAP_RESET) { + clock_tms(0x4b, 0xff, 5, 0); + require_send = 1; + + /* shortest-path move to desired end state */ + } else if (tap_get_state() != tap_get_end_state()) { move_to_state(tap_get_end_state()); require_send = 1; |