linux-mips
[Top] [All Lists]

Re: possible serial driver fixup for au1x00 in 2.6?

To: rolf liu <rolfliu@gmail.com>
Subject: Re: possible serial driver fixup for au1x00 in 2.6?
From: Pete Popov <ppopov@embeddedalley.com>
Date: Wed, 06 Jul 2005 00:10:17 -0700
Cc: "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
In-reply-to: <2db32b72050705124078a48aed@mail.gmail.com>
Organization: Embedded Alley Solutions, Inc
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <2db32b720507011756247735d6@mail.gmail.com> <1120266383.5987.46.camel@localhost.localdomain> <2db32b72050705124078a48aed@mail.gmail.com>
Reply-to: ppopov@embeddedalley.com
Sender: linux-mips-bounce@linux-mips.org
On Tue, 2005-07-05 at 12:40 -0700, rolf liu wrote:
> Pete,
> To try if 8250.c can work under db1550/linux 2.6.12, I turn off the
> au1x00_uart.c config and just compiled in the 8250 support. When I
> boot the kernel, nothing comes up through the console, which should be
> provided by 8250 support, by 8250_early.c?
> 
> Any idea?

Yes. The 8250.c won't work with the au1x uart. I know I said in a
previous email that the 8250 "basically" does the same thing as the au1x
uart driver, but if the 8250 worked with the Au1x SoCs, why would we
even have the au1x serial driver in place?

Pete

> 
> On 7/1/05, Pete Popov <ppopov@embeddedalley.com> wrote:
> > On Fri, 2005-07-01 at 17:56 -0700, rolf liu wrote:
> > > Basically, au1x00_uart.c is doing the same thing as 8250.c.
> > 
> > Basically.
> > 
> > > If I want
> > > to add extra serial port support by 8250.c. There could be some
> > > problem. Any idea?
> > 
> > Don't know, haven't tried it. In general, the au1x00 serial driver needs
> > to be rewritten.
> > 
> > Pete
> > 
> >
> 


<Prev in Thread] Current Thread [Next in Thread>