projects / sigrok-dumps.git / blame
| Commit | Line | Data |
|---|---|---|
| 4637833e AB |
1 | ------------------------------------------------------------------------------- |
| 2 | IBM POWER9 LPC (low pin count) traffic | |
| 3 | ------------------------------------------------------------------------------- | |
| 4 | ||
| 5 | These captures are examples of various transaction types from an IBM POWER9 LPC | |
| 6 | (low pin count) interface. | |
| 7 | ||
| 8 | Details: | |
| 9 | http://en.wikipedia.org/wiki/Low_Pin_Count | |
| 10 | ||
| 11 | ||
| 12 | Hardware setup | |
| 13 | -------------- | |
| 14 | ||
| 15 | The logic analyser used was a DreamSourceLab DSLogic U3Pro32. As support for | |
| 16 | this is not yet in sigrok, the traces were captured externally and imported. | |
| 17 | ||
| 18 | Probe LPC | |
| 19 | ---------- | |
| 20 | 0 LAD0 | |
| 21 | 1 LAD1 | |
| 22 | 2 LAD2 | |
| 23 | 3 LAD3 | |
| 24 | 4 LFRAME# | |
| 25 | 5 LCLK | |
| 26 | ||
| 27 | ||
| 28 | power9_lpc_io_read.sr | |
| 29 | -------------- | |
| 30 | An I/O read from 0x3fd (serial port) which returns 0x60. | |
| 31 | ||
| 32 | power9_lpc_io_write.sr | |
| 33 | --------------- | |
| 34 | An I/O write to 0x3f8 (serial port) of 0x73. | |
| 35 | ||
| 36 | power9_lpc_firmware_read.sr | |
| 37 | -------------------- | |
| 38 | A firmware read from 0xfff7000 which returns 0x54524150. | |
| 39 | ||
| 40 | power9_lpc_firmware_write.sr | |
| 41 | --------------------- | |
| 42 | A firmware write to 0xc031360 of 0x0000. | |
| 43 | ||
| 44 | power9_lpc_io_write_abort.sr | |
| 45 | --------------------- | |
| 46 | An I/O read that gets aborted because the peripheral never responded. |