[ECOS] MPC860 - devs/serial/quicc

Gary Thomas gary@mlbassoc.com
Mon Jan 5 13:06:00 GMT 2004


On Mon, 2004-01-05 at 03:45, Philip Soeberg wrote:
> Now that the QUICC serial issue is up...
> 
> Are there any plans on extending the routing of SCC3 to CPU types other than
> MPC850/MPC852T?
> 

No reason beyond the fact that none of the developers have access to
an 823 based system.

> Sadly, I'm forced to use SCC3 on an MPC823 CPU, why I have been forced to
> implement various hacks to the QUICC module... As I don't know the reason
> why CPU's other than the ones mentioned isn't supported, I have not created
> a generic patch for the CVS...

Please do try to make a generic patch.

> 
> Regards,
> -=[ Philip Soeberg ]=[ ecos@soeberg.net ]=-
> * I am happy as a clam
> (ignoring the issue of why or when a clam might be particularly happy)
>  
> -----Original Message-----
> From: ecos-discuss-owner@sources.redhat.com
> [mailto:ecos-discuss-owner@sources.redhat.com] On Behalf Of Gary Thomas
> Sent: 2. januar 2004 17:17
> To: nprasad3@gmu.edu
> Cc: ecos-discuss@sources.redhat.com
> Subject: Re: [ECOS] MPC860 - devs/serial/quicc
> 
> On Fri, 2004-01-02 at 09:11, nprasad3@gmu.edu wrote:
> > Hi,
> > 
> > Does the serial device driver support SCC1? I could see 
> > only conditionals for SMC1 and SMC2 but hal/powerpc/quicc 
> > has support for SCC1.
> > 
> > In order for me to utilize SCC1 as the serial port under 
> > eCos would I have to provide support for it under devs/serial/quicc? 
> 
> All combinations of SMC1/SMC2/SCC1/SCC2/SCC3/SCC4 should be supported
> for both diagnostic I/O and high-level (interrupt driven) drivers.
> Get the latest CVS - not all of this was in v2.0
> 
> Look at the A&M Viper for examples of how to configure using both
> SMC1 & SCC1, including console (RedBoot) and /dev/serX I/O
> 
> -- 
> Gary Thomas <gary@mlbassoc.com>
> MLB Associates
> 
> 
> -- 
> Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
> and search the list archive: http://sources.redhat.com/ml/ecos-discuss
-- 
Gary Thomas <gary@mlbassoc.com>
MLB Associates


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