mpc8270 and fs_enet

Scott Wood scottwood at freescale.com
Fri Jan 30 10:05:43 EST 2009


James Black wrote:
> I've got an mpc8270 running the fs_enet v1.0 driver and we are having
> problems with randomly corrupted tx buffer descriptor ready bits. The
> CPM never clears the bit. This is a 2.6.19.2 kernel. We have the same
> kernel with the 8260_io driver (kernel is from the denx ELDK4.2)
> running on the mpc8250 that works perfect.

Is it possible that some other CPM block is configured to use the same 
DPRAM area that the descriptors are in?

-Scott



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