Disable cache on 74xx

Benjamin Herrenschmidt benh at kernel.crashing.org
Thu Feb 20 08:07:59 EST 2003

On Wed, 2003-02-19 at 21:52, Brian Waite wrote:
> Hi all,
> 	I am trying to hunt down a memory controller configuration problem and I have
> been asked to disable all caching so as to remove it from the equation. I can
> easl disable L2 but when I start ucking with the WIMG bits to set cache
> inhibit, The kernel panics with stack overflows. Does anyone know where or
> what I have to set to disable caching?

Hrm... set L2 and L3 off, then hack HID0 to disable L1 ?


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