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IBM POWER9 LPC (low pin count) traffic
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These captures are examples of various transaction types from an IBM POWER9 LPC
(low pin count) interface.

Details:
http://en.wikipedia.org/wiki/Low_Pin_Count


Hardware setup
--------------

The logic analyser used was a DreamSourceLab DSLogic U3Pro32. As support for
this is not yet in sigrok, the traces were captured externally and imported.

  Probe  LPC
  ----------
  0      LAD0
  1      LAD1
  2      LAD2
  3      LAD3
  4      LFRAME#
  5      LCLK


power9_lpc_io_read.sr
--------------
An I/O read from 0x3fd (serial port) which returns 0x60.

power9_lpc_io_write.sr
---------------
An I/O write to 0x3f8 (serial port) of 0x73.

power9_lpc_firmware_read.sr
--------------------
A firmware read from 0xfff7000 which returns 0x54524150.

power9_lpc_firmware_write.sr
---------------------
A firmware write to 0xc031360 of 0x0000.

power9_lpc_io_write_abort.sr
---------------------
An I/O read that gets aborted because the peripheral never responded.