diff options
| -rw-r--r-- | src/target/dsp5680xx.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/target/dsp5680xx.c b/src/target/dsp5680xx.c index 675dfce5..7a1f9902 100644 --- a/src/target/dsp5680xx.c +++ b/src/target/dsp5680xx.c @@ -90,12 +90,17 @@ static int dsp5680xx_irscan(struct target * target, uint32_t * data_to_shift_int err_check(retval,"Invalid tap"); } if (ir_len != target->tap->ir_length){ - LOG_WARNING("%s: Invalid ir_len of core tap. If you are removing protection on flash then do not worry about this warninig.",__FUNCTION__); - //return ERROR_FAIL;//TODO this was commented out to enable unlocking using the master tap. did not find a way to enable the master tap without using tcl. + if(target->tap->enabled){ + retval = ERROR_FAIL; + err_check(retval,"Invalid irlen"); + }else{ + struct jtag_tap * master_tap = jtag_tap_by_string("dsp568013.chp"); + if((master_tap == NULL) || ((master_tap->enabled) && (ir_len != DSP5680XX_JTAG_MASTER_TAP_IRLEN))){ + retval = ERROR_FAIL; + err_check(retval,"Invalid irlen"); + } + } } - //TODO what values of len are valid for jtag_add_plain_ir_scan? - //can i send as many bits as i want? - //is the casting necessary? jtag_add_plain_ir_scan(ir_len,(uint8_t *)data_to_shift_into_ir,(uint8_t *)data_shifted_out_of_ir, TAP_IDLE); if(dsp5680xx_context.flush){ retval = dsp5680xx_execute_queue(); |