Difference between revisions of "Ls2080ardb jtag"
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(Created page with " % jtag_treset; sleep 1; tscan -ie -l4 x'e; tscan -de -l32 0 5BA00477 % tscan -ie -l4 3; tscan -de -l4 1 % tscan -ie -l8 x'f3; tscan -de -l64 0 000000000A01E01D % tscan...") |
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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 | % jtag_treset; sleep 1; tscan -ie -l4 x'e; tscan -de -l32 0 | ||
5BA00477 | 5BA00477 | ||
A 4-bit IR=3 (TLMSEL) with 1 switches to TLM to TAP/SAP.<br> | |||
A 8-bit IR=f3 (IDCODE) returns SoC IDCODE=0A01E01D | |||
% tscan -ie -l4 3; tscan -de -l4 1 | % tscan -ie -l4 3; tscan -de -l4 1 | ||
% tscan -ie -l8 x'f3; tscan -de -l64 0 | % tscan -ie -l8 x'f3; tscan -de -l64 0 | ||
000000000A01E01D | 000000000A01E01D | ||
A 8-bit IR=69 (TRESETSR) returns POR State Machine=0x180: | |||
% tscan -ie -l8 x'69; tscan -de -l64 0 | % tscan -ie -l8 x'69; tscan -de -l64 0 | ||
0000000000000180 | 0000000000000180 | ||
Latest revision as of 18:59, 9 June 2016
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