From: "J.C. Wren" <jcwren@jcwren.com>
Reply-To: jcwren@jcwren.com
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: Machin dependent serial port patches
Date: Tue, 20 May 2003 09:57:14 -0400
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	The only prolem with using setserial is my console is one one of these serial 
port (headless system.  I failed to mention that earlier).  So everything 
that comes out the console at the wrong rate :(  However, Milton D. Miller 
suggested looking at early_serial_rgister, which is used on ppc and ia64.  
That might help.

	--John

On Tuesday 20 May 2003 08:09 am, Alan Cox wrote:
> On Maw, 2003-05-20 at 01:56, J.C. Wren wrote:
> > 	One of the things I noticed in the port of 2.5.69 to the 386EX embedded
> > system is that serial.h appears to not be a mach-xxx positionable file. 
> > The 386EX board uses standard 8250 type serial ports, but at 3.6864Mhz
> > instad of 1.8432Mhz.  There appears to be no way to build a patch set
> > without modifying include/i386/serial.h.  Would this not be better places
> > in mach-defaults? I'm trying very hard to modify as few files as possible
> > when building these patch sets.
>
> Making asm-i386/serial.h include a mach- file sounds the right thing to
> do. mach- for x86 is pretty new so a lot of stuff that maybe should be
> in it, hasnt migrated yet.
>
> The counter argument however is that you should be able to use setserial
> to adjust the baud base so you dont need to change anything 8)
>
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