question about UART ST16C2552

[Milliorn Gary-rxcr80]

Kumar,

  There is no DUART on the MPC8240, if 8240 is what he literally
meant.  Some boards, like Unity, used to have an external DUART
for this reason.

Gary Milliorn



> -----Original Message-----
> From: Kumar Gala [mailto:kumar.gala at motorola.com]
> Sent: Thursday, September 18, 2003 11:01 AM
> To: Yuxiao Xi
> Cc: linuxppc-embedded
> Subject: Re: question about UART ST16C2552
>
>
>
> For 824x the detection code for the on-chip UART does NOT currently
> detect it as a 16550A.  There is a patch that Tom Rini and I are
> working on getting accepted by the serial maintainers, that should fix
> this.
>
> However, its not clear to me from your email if you also have a
> ST16C2552 in addition to the DUART on the 8240.
>
> - kumar
>
> On Wednesday, September 17, 2003, at 08:37 PM, Yuxiao Xi wrote:
>
> >
> > Hi,all,
> >     Does Linux support UART ST16C2552 ?
> >     There is a UART ST16C2552 on my board with CPU ppc8240.
> > While the linux system booting,sometimes function autoconfig(struct
> > serial_state * state) in ./drivers/char/serial.c detected
> ST16C2552 as
> > 16450,sometimes as 8250,can anyone tell me why?
> >
> > !!!!!!!!!!!!!!!!Yuxiao Xi
> > !!!!!!!!!!!!!!!!xiyuxiao at harbournetworks.com
> > !!!!!!!!!!!!!!!!!!!!2003-09-18
> >
>
>
>

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