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Diffstat (limited to 'lpc/power9/README')
| -rw-r--r-- | lpc/power9/README | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/lpc/power9/README b/lpc/power9/README new file mode 100644 index 0000000..abab953 --- /dev/null +++ b/lpc/power9/README @@ -0,0 +1,46 @@ +------------------------------------------------------------------------------- +IBM POWER9 LPC (low pin count) traffic +------------------------------------------------------------------------------- + +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. |