Re: [microblaze-uclinux] OPB DDR SDRAM controller locks the OPB with multiple masters.

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi Roger,

Roger W. Cover wrote:

> I have been working with the OPB DDR SDRAM controller with a bus-master DMA
> unit in addition to the processor. I am writing to this list to provide the
> community with the information I have discovered. The opb_ddr component in
> the EDK 8.1 hardware library has a bug in the ipic_pipe.vhd file. 

[snip]

Thanks for the info and detailed explanation.

Would you be able to post your patch, so at least it will be recorded in the
archives?  I'm not sure if Xilinx have any plans for another service pack on the
8.1 series tools, so it might be the only option until 8.2 is widely adopted.

Thanks again,

John

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