Ls2080ardb jtag
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With TBSCAN_EN set (sw7.7), TLM defaults to DAP and a 4-bit IR=e returns IDCODE=5BA00477:
% jtag_treset; sleep 1; tscan -ie -l4 x'e; tscan -de -l32 0 5BA00477
A 4-bit IR=3 (TLMSEL) with 1 switches to TLM to TAP/SAP.
A 8-bit IR=f3 (IDCODE) returns SoC IDCODE=0A01E01D
% tscan -ie -l4 3; tscan -de -l4 1 % tscan -ie -l8 x'f3; tscan -de -l64 0 000000000A01E01D
A 8-bit IR=69 (TRESETSR) returns POR State Machine=0x180:
% tscan -ie -l8 x'69; tscan -de -l64 0 0000000000000180