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Re: PowerPC SMC serial port drivers.


On Sat, 2002-03-02 at 13:16, Erik Reikes wrote:
> >On Wed, 2002-02-27 at 14:47, Erik Reikes wrote:
> 
> <snip>
> 
> > > I found a couple of messages relating to a port of the SCC for use as a 
> >UART
> > > on the diag channel a while back.  Did this code ever get rolled into 
> >the
> > > CVS tree for Ecos?  If so, is there a configuration option I am missing 
> >that
> > > enables it?  If not was there a reason it didn't?
> > >
> >
> >No, although there has been talk of supporting SCCx ports, we've never 
> >received
> >any contributions in this area.  At this time, SCCx is not supported, 
> >sorry.
> >
> 
> You might want to check out :
> http://sources.redhat.com/ml/ecos-discuss/2001-07/msg00734.html
> 
> It sounds like he implemented it.  I emailed him asking permission to use 
> that code, but haven't heard back from him yet.
> 

Indeed, I recall asking him for a similar release with no response.  
Don't forget that before we can include anything in the eCos repository,
we have to receive a copyright release for the code.

> >The network should work fine (it does for me).  One thing you can do to 
> >avoid
> >messing with DHCP/BOOTP is to use 'fconfig' and set a static IP address.
> 
> Thanks for the pointer.  I am now able to ping it, but wheneveer I try to 
> connect to it I get this type of scenario from gdb:
> 

Can you connect to it via the network without GDB?  Just use 'telnet':
  % telnet 192.168.0.78 9000
and you should get a RedBoot prompt.

> On the target side it spews out a bunch of decoded ethernet packets.  I have 
> a feeling this could be somehow interfering with the tcp gdb support.  Is 
> there a way to turn these off?  Do I have to run a tftp server if gdb is 
> doing the connection?

No.

> 
> Thanks.
> 
> 
> (gdb) target remote 192.168.0.78:9000
> Couldn't establish connection to remote target
> Malformed response to offset query, timeout
> 
> Remote debugging using 192.168.0.78:9000
> Ignoring packet error, continuing...
> Ignoring packet error, continuing...
> Ignoring packet error, continuing...
> 
> (gdb) load
> Error: You can't do that when your target is `exec'
> 
> (gdb) target remote 192.168.0.78:9000
> Error: 192.168.0.78:9000: Attempt to connect timed out without establishing 
> a connection.
> 
> (gdb)
> 
> 
> 
> 
> 
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