Yosemite/440EP PLB4 vs PLB3 DMA to PCI issue
David Hawkins
dwh at ovro.caltech.edu
Thu Feb 9 05:43:21 EST 2006
>>Anyways, here are the v1.18 page references;
>>
>>v1.18 p365-6 has the PLB-to-PCI Transaction Handling section
>> showing the cases where MRL and MRM will be used.
>>
>>v1.18 p407 has the PCI Memory to SDRAM DMA transfer section
>> with comments and forward references to the timing
>> diagram pages.
>
>
> Thanks. I have to admit that my only advice to you is, to send these questions
> to the AMCC support. This seems to be a hardware related question/problem.
> Sorry.
No problem! I appreciate you taking the time to look at it.
I'll contact AMCC and see what they have to say.
> Please keep me informed when you get an explanation for this PLB4 DMA
> behaviour.
I will.
> Thanks for the invitation. But our 9 month's old daughter will not "allow" us
> to make such a long trips in the next few years, I am afraid! :-(
Ahh, well come visit in a few years then :)
You can't convince Wolfgang that someone needs to show up at the
Embedded Systems Conference in San Jose, CA, in April, then eh!?
Dave
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