From: Kumar Gala <kumar.gala@motorola•com>
To: Milliorn Gary-rxcr80 <Gary.Milliorn@motorola•com>
Cc: Yuxiao Xi <xiyuxiao@harbournetworks•com>,
linuxppc-embedded <linuxppc-embedded@lists•linuxppc.org>
Subject: Re: question about UART ST16C2552
Date: Thu, 18 Sep 2003 11:29:34 -0500 [thread overview]
Message-ID: <49F075B6-E9F5-11D7-8529-000393DBC2E8@motorola.com> (raw)
In-Reply-To: <5725AF6EE9FAD51195DC009027E377020B6561A7@az33exm35.corp.mot.com>
Thanks for the correction. I guess my comments really apply to 8241,
8245 and 8540 then.
- kumar
On Thursday, September 18, 2003, at 11:23 AM, Milliorn Gary-rxcr80
wrote:
> 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@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@harbournetworks•com
> > > !!!!!!!!!!!!!!!!!!!!2003-09-18
> > >
> >
> >
> >
>
>
>
> <Gary Milliorn (E-mail).vcf>
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-09-18 16:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-18 16:23 question about UART ST16C2552 Milliorn Gary-rxcr80
2003-09-18 16:29 ` Kumar Gala [this message]
[not found] <200309190129.h8J1TcaJ006055@motgate5.mot.com>
2003-09-19 6:24 ` Kumar Gala
-- strict thread matches above, loose matches on Subject: below --
2003-09-19 1:39 Yuxiao Xi
2003-09-18 1:37 Yuxiao Xi
2003-09-18 16:00 ` Kumar Gala
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