linux-kernel - Re: UART misbehaves under Linkstation/KuroBoxHG

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Message-ID: <46BA59FA.7080706@snafu.de>
Date:	Thu, 09 Aug 2007 02:04:10 +0200
From:	Oncaphillis <oncaphillis@...fu.de>
To:	Guennadi Liakhovetski <g.liakhovetski@....de>
CC:	linux-kernel@...r.kernel.org
Subject: Re: UART misbehaves under Linkstation/KuroBoxHG

  Removing the getty from initd did the trick.

  And you're right AVR is disabled by the kernel
  found the code in ./arch/powerpc/platforms/embedded6xx/ls_uart.c

  Tkank you


Guennadi Liakhovetski wrote:
> On Thu, 9 Aug 2007, Oncaphillis wrote:
>>   I hope I found the the misconfigured part. I didn't look
>>   at /etc/inittab. It opens a getty on /dev/ttyS0. That
>>   might do the trick. Have to recompile my kernel right now with
>>   standard config to check this out.
> 
> Hm, for that you don't have to recompile the kernel... unless you modified 
> it before, of course. Just change your inittab and reboot.
> 
>>   Well ... it doesn't seem to need the daemons but at least
>>   the kuro_boot  script or something similar has to be executed
>>   once sending the right init strings to the AVR or your system
>>   reboots after a few minutes at least on my box.
> 
> No, shouldn't be needed either. You should get a string in dmesg like 
> "linkstation: disarming the AVR watchdog:", and the watchdog should be 
> off. Just take the original .dts, unmodified kernel sources and close 
> enough to original (arch/powerpc/configs/linkstation_defconfig) .config 
> and it should work.
> 
> Thanks
> Guennadi
> ---
> Guennadi Liakhovetski
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