From mboxrd@z Thu Jan 1 00:00:00 1970 From: catalin.marinas@arm.com (Catalin Marinas) Date: Fri, 26 Mar 2010 13:37:45 +0000 Subject: RFC: ARM Boot standard for passing device tree blob In-Reply-To: <20100325210409.GH24984@n2100.arm.linux.org.uk> References: <20100325210409.GH24984@n2100.arm.linux.org.uk> Message-ID: <1269610665.807.51.camel@e102109-lin.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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