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efc: add changing cable to DRTIO troubleshot step

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morgan
2025-10-24 13:29:35 +08:00
parent 6c4f3a8c4f
commit 40b7958431
1 changed files with 3 additions and 3 deletions
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src/hw/efc.md
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@@ -134,6 +134,6 @@ The destination is 0x5 in hexadecimal, which is 5 in decimal.
Generally the error messages implies the data is malformed. For example, `received packet of an unknown type`.
Either wrong clock source is chosen, or the calibration for DRTIO-over-EEM is incorrect.
Verify the [clock settings](#clk-input). If they seem correct, it is likely caused by Kasli(-SoC) having an improper calibration for DRTIO-over-EEM. Consider re-doing the [flashing](#flashing) step.
- Wrong clock source is selected, verify the [clock settings](#clk-input) is correct.
- Bad DRTIO-over-EEM delay calibration value, re-doing the [flashing](#flashing) step.
- Faulty EEM or clock signal cable, change the affected cable and re-doing the [flashing](#flashing) step.