Early boot problem with MPC8247 and Linux 2.6.26

Scott Wood scottwood at freescale.com
Thu Aug 28 01:01:06 EST 2008


On Wed, Aug 27, 2008 at 02:30:47PM +0100, Chris Skepper wrote:
> I just left CONFIG_PPC_EARLY_DEBUG_CPM_ADDR at the default value for CPM2? 
> Is that likely to be correct for SMC1?  (I tried looking in the MPC8272 
> reference manual, but couldn't find it.)

The value depends on how the port was set up by firmware (or by the
bootwrapper).  It should be set to wherever the descriptor is, and there
should only be one descriptor that loops back on itself.

-Scott


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