Hi,
I am using ltib-20080811 (2.6.25 kernel) . I am porting it to custom board based on mcf5474. I observed that talitos_probe hangs during the kernel initialization.
Is it a known issue.
Appreciate any pointers on this problem.
Thanks,
Kishor
You may need to use 2.6.27.
At 11:01 PM 5/4/2009, Ravula Kishor wrote:
>Hi,
>
>I am using ltib-20080811 (2.6.25 kernel) . I am porting it to custom
>board based on mcf5474. I observed that talitos_probe hangs during
>the kernel initialization.
>
>Is it a known issue.
>
>Appreciate any pointers on this problem.
>
>Thanks,
>Kishor
>
>
>
>
>
>
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On Mon, 4 May 2009 23:01:23 -0700 (PDT)
Ravula Kishor <[email protected]> wrote:
> I am using ltib-20080811 (2.6.25 kernel) . I am porting it to custom board based on mcf5474. I observed that talitos_probe hangs during the kernel initialization.
>
> Is it a known issue.
so the the mcf5474 utilizes SEC h/w version 1.1 (or a variant thereof),
with which the talitos driver is currently incompatible. Even if
you've managed to fake the device tree node properties, the driver has
the master reset bit in a different position than the one on the
mcf547x, so it doesn't even know how to reset the device properly.
you might try entering a ticket with the freescale coldfire support
web - who knows, they might be willing to assist you in porting the
driver to handle sec h/w versions < 2.0. AFAIK, various registers,
various bits within registers, and the descriptor submission method
differ in the h/w, and the driver needs to double as a platform
driver for coldfire arch.
Kim