linux-kernel - Re: Request For Help - Embedded x86, Kernel 2.6.33 boots, Mounts JFFS2 rootfs, Stops at init

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Message-ID: <4BD9866E.4050101@gmail.com>
Date:	Thu, 29 Apr 2010 23:15:26 +1000
From:	Graeme Russ <graeme.russ@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
CC:	Mike Rapoport <mike@...pulab.co.il>,
	Alexander Clouter <alex@...riz.org.uk>
Subject: Re: Request For Help - Embedded x86, Kernel 2.6.33 boots, Mounts
 	JFFS2 rootfs, Stops at init

Graeme Russ wrote:
> On Thu, Apr 29, 2010 at 1:37 AM, Alexander Clouter <alex@...riz.org.uk> wrote:
>> Graeme Russ <graeme.russ@...il.com> wrote:
>>> I've been working for a while now getting the x86 U-Boot port up to speed
>>> to boot a linux kernel
>>>
>> ...ewww x86.
> 
>>>
>> What does you /dev directory look like?  You need to have at least the
>> following:
>> ----
>> mknod console c 5 1
>> mknod null c 1 3
>> mknod ttyS0 c 4 64
>> ----
>>
> 
> tick, tick, tick
> 

Success!!!

I feel _really_ stupid about the cause of the problem.... I hadn't set up
the interrupt mapping of the serial ports in my board initialisation
routines in U-Boot. Once I mapped IRQ4 to UART0 it all sprang to life ;)

Big thanks to everyone for helping and a big thanks to all the linux and
GNU developers for creating such a wonderful 'toy' ;)

Graeme
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