Thread (7 messages) flat view 7 messages, 5 authors, 2006-08-24

Re: MontaVista 2.6 Kernel support for Xilinx ML40x

From: Wade Maxfield <hidden>
Date: 2006-08-24 22:13:26

  sorry! ;)  See my reply at the right location!

On 8/24/06, T Ziomek [off-list ref] wrote:
[top-posting fixed  :-) ]


On Thu, 24 Aug 2006, Wade Maxfield wrote:
quoted
On 8/24/06, Peter Ryser [off-list ref] wrote:
quoted
 Wade,

are you sure that you did not build your hardware with evaluation cores
of
quoted
quoted
the licenses? If you are using the evaluation licenses the hardware
(FPGA
quoted
quoted
design) will stop working after a certain amount of time and you will
see a
quoted
quoted
lock-up.
Good question.  How long before lockup?  The only core that should be
licensed is the ethernet, and I know it was sysgened on a system with a
license.  This is the Xilinx reference design for the ml403 board.
When we were using the eval version of Xilinx's 10/100 EMAC it would time-
out after 8 hours (and the kernel would panic since our root fs was NFS-
mounted).

If your only [to-be-]licensed core is Ethernet, then I take it you're
using
the UARTLite, or a non-Xilinx UART?  We used Xilinx's 16550-compatible
UART,
which is licensed, but I never ran with the eval version of that IP block
and so have no idea how long it will function before shutting down.


 We are doing an evaluation right now.  We have operational 8 hours 55
minutes so far and counting on the Xilinx 16550 compatible uart.  I think
that is the cause of the problem for us, but not sure so far.


Tom
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