Thread (14 messages) 14 messages, 4 authors, 2007-11-27

Re: 85xx software reset problems from paulus.git

From: robert lazarski <hidden>
Date: 2007-11-26 17:41:39

Hi Kumar, I finally got time to get back to this:

On Nov 17, 2007 2:52 PM, Kumar Gala [off-list ref] wrote:

On Nov 16, 2007, at 4:01 PM, robert lazarski wrote:
quoted
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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.

Robert
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