[ixp1200] rebooting the enp-2505

Mandeep Baines mandeep at teja.com
Thu Jul 18 12:17:43 EDT 2002


You should be able to attach an external switch to the reset pins which
appear on an external header.

On Thu, 2002-07-18 at 05:13, Scott C. Karlin wrote:
> On Wed, Jul 17, 2002 at 05:15:03PM -0700, Tommy Tran wrote:
> > Hi everyone, I'm wondering if there is any safe way to reboot the board 
> > w/o rebooting the host system?  I have the board installed in Linux and 
> > hated to reboot it just to rebooot the enp board.  Thanks.
> 
> I don't know about the ENP-2505 board, but we reboot the evaluation
> systems all the time without rebooting Linux.  The thing to watch for
> is that when the board is rebooted, it is taken off the PCI bus.  Any
> accesses to the board will hang Linux.  We deal with this in the VERA
> distribution by retaining the values of the PCI registers on the board
> when the device driver is started.  If we ever reset the IXP1200
> board, we run a program called "pcirestore" which uses the stored
> values to re-configure the board to be in the same place in the PCI
> address space as it was before the reset.
> 
> Scott
> 





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