diff options
| -rw-r--r-- | src/jtag/jtag.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c index 15a5900c..05c6628b 100644 --- a/src/jtag/jtag.c +++ b/src/jtag/jtag.c @@ -1361,6 +1361,8 @@ int jtag_examine_chain() /* LSB must not be 0, this indicates a device in bypass */ device_count++; + LOG_WARNING("Device was in bypass after TRST/TMS reset"); + bit_count += 1; } else @@ -1371,6 +1373,7 @@ int jtag_examine_chain() if (idcode == 0x000000FF) { + int unexpected=0; /* End of chain (invalid manufacturer ID) * * The JTAG examine is the very first thing that happens @@ -1385,9 +1388,10 @@ int jtag_examine_chain() for (bit_count += 32; bit_count < (JTAG_MAX_CHAIN_SIZE * 32) - 31;bit_count += 32) { idcode = buf_get_u32(idcode_buffer, bit_count, 32); - if (idcode != 0x000000FF) + if (unexpected||(idcode != 0x000000FF)) { - LOG_WARNING("Unexpected idcode after end of chain! 0x%08x", idcode); + LOG_WARNING("Unexpected idcode after end of chain! %d 0x%08x", bit_count, idcode); + unexpected = 1; } } |