RFC: ARM Boot standard for passing device tree blob
Catalin Marinas
catalin.marinas at arm.com
Sat Mar 27 00:37:45 EST 2010
On Thu, 2010-03-25 at 21:04 +0000, Russell King - ARM Linux wrote:
> On Wed, Mar 24, 2010 at 09:11:56AM -0600, Grant Likely wrote:
> > ===Required System State===
[...]
> > *IRQs disabled
> > *MMU off
> > *Instruction cache either on or off
> > *Data cache turned off
>
> Would recommend saying "Data cache(s) turned off" so that L2 cache is
> included.
There are platforms where the L2 cache is turned on by the boot monitor
(secure monitor) and Linux has no control over it (I think OMAP).
--
Catalin
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