From: Clemens Koller <clemens.koller@anagramm•de>
To: robert lazarski <robertlazarski@gmail•com>
Cc: linuxppc-embedded@ozlabs•org
Subject: Re: 85xx software reset problems from paulus.git
Date: Mon, 26 Nov 2007 21:20:15 +0100 [thread overview]
Message-ID: <474B2A7F.5090607@anagramm.de> (raw)
In-Reply-To: <f87675ee0711260941w25e5ed81v7322be1500fd5611@mail.gmail.com>
Hi, Robert, Hi, Kumar!
robert lazarski schrieb:
> Hi Kumar, I finally got time to get back to this:
>
> On Nov 17, 2007 2:52 PM, Kumar Gala <galak@kernel•crashing.org> wrote:
>>
>> On Nov 16, 2007, at 4:01 PM, robert lazarski wrote:
>>
>>>>> Sorry for replying to myself, but thought I'd mention SRESET works
>>>>> fine on 85xx 2.6.23 , ie, the board resets after kernel panic. It
>>>>> doesn't work for me on 2.6.24rc2 .
>>>> What actual 85xx are you using?
>>>>
>>>> - k
>>>>
>>> Custom 8548 board. I'm using the cds 85xx code for a reference and I
>>> calling the same reset functions.
>>>
>> 1. do you have the following in your dts:
>>
>> global-utilities@e0000 { //global utilities reg
>> compatible = "fsl,mpc8548-guts";
>> reg = <e0000 1000>;
>> fsl,has-rstcr;
>> };
>>
>
> Yes.
>
>> 2. in your platform code are you using fsl_rstcr_restart in
>> define_machine()
>>
>> - k
>>
>
> Yes. The symptoms in 2.6.24RC2 are that during a kernel panic or when
> calling 'reboot' in the shell, it just hangs. Using the same dts and
> resets in 2.6.23.1 reboots fine. I don't have a cds reference, but
> someone who does should be able to confirm whether the issue exists or
> not by just attempting to reboot via bash.
ACK. Exactly the same over here (mpc8540ads compatible).
I added the global-utilities today as well, but reboot fails.
Why is the guts stuff missing i.e. in most of the shipped
mpc85xx*.dts? Does it depend on some hardware connections
external to the CPU?
Regards,
--
Clemens Koller
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next prev parent reply other threads:[~2007-11-26 20:20 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-16 15:00 85xx software reset problems from paulus.git robert lazarski
2007-11-16 15:27 ` Clemens Koller
2007-11-16 20:44 ` robert lazarski
2007-11-16 21:28 ` robert lazarski
2007-11-16 21:46 ` Kumar Gala
2007-11-16 22:01 ` robert lazarski
2007-11-17 19:52 ` Kumar Gala
2007-11-26 17:41 ` robert lazarski
2007-11-26 20:20 ` Clemens Koller [this message]
2007-11-27 7:38 ` Kumar Gala
2007-11-27 13:50 ` Dale Farnsworth
2007-11-27 14:54 ` Dale Farnsworth
2007-11-27 16:26 ` Kumar Gala
2007-11-27 23:09 ` Dale Farnsworth
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