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Single port SMI not working #63

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shuchitak opened this issue Nov 25, 2024 · 0 comments
Open

Single port SMI not working #63

shuchitak opened this issue Nov 25, 2024 · 0 comments

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@shuchitak
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shuchitak commented Nov 25, 2024

http://bugzilla.xmos.local/show_bug.cgi?id=16986

Larry Snizek 2015-09-24 14:18:07 BST

In the attached VCD ports 1B and 1C are MDIO and MDC, using normal two-port SMI, and port 4A is MDIO/MDC combined using the two-port SMI code.

Clock cycles get squashed and data is not read properly.

The fix appears to be:

Screenshot 2024-11-25 at 09 32 39

xsim_trace_test_smi_smi.vcd.zip

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