topic Re: Debugging DMA corruption - MPC8555 - Trace Buffers in PowerQUICC Processors

Debugging DMA corruption - MPC8555 - Trace Buffers

dijo — Tue, 01 Dec 2015 13:13:24 GMT

Hi Pavel,

we were able to locate the document and see the trace buffer in action.

We were unable to find the right settings to trace a write over PCI/and through the Core to a DDR location (0x0eb00000) .

We tried using the following settings -

Do you see something which we overlooked, or did wrong?

Thanks in advance.

Re: Debugging DMA corruption - MPC8555 - Trace Buffers

LPP — Fri, 04 Dec 2015 11:08:23 GMT

It's good but i suggest to set "trace only in TRACE event" flag.

Have a great day,
Pavel

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Re: Debugging DMA corruption - MPC8555 - Trace Buffers

dijo — Fri, 04 Dec 2015 12:24:19 GMT

Thanks again, Pavel!

Yes it works!

Would be great if you could tell how it works.What the "TRACE" implies?