From: jeremy.kerr@canonical.com (Jeremy Kerr)
To: linux-arm-kernel@lists.infradead.org
Subject: RFC: ARM Boot standard for passing device tree blob
Date: Fri, 26 Mar 2010 08:23:44 +0800 [thread overview]
Message-ID: <201003260823.44829.jeremy.kerr@canonical.com> (raw)
In-Reply-To: <20100325234053.GB26649@yookeroo>
> > > ===Required System State===
> > > *Quiesce all DMA
> > > *CPU register contents
> > > **r0 = 0
> > > **r1 = Linux machine number (as defined in the ARM Linux machine
> > > database) or 0
> >
> > 0 is a valid machine number. What is your purpose of passing 0?
>
> Presumably a machine number will need to be allocated to mean "use the
> device tree instead of fixed machine number info".
I've been using 0xffffffff to indicate that this is a 'device-tree' platform.
The value isn't really important, just that we agree on something.
Cheers,
Jeremy
next prev parent reply other threads:[~2010-03-26 0:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-24 15:11 RFC: ARM Boot standard for passing device tree blob Grant Likely
2010-03-25 21:04 ` Russell King - ARM Linux
2010-03-25 23:40 ` David Gibson
2010-03-26 0:23 ` Jeremy Kerr [this message]
2010-03-26 3:24 ` Grant Likely
2010-03-26 13:37 ` Catalin Marinas
2010-03-26 17:43 ` Mitch Bradley
2010-03-26 18:13 ` Grant Likely
2010-03-26 19:30 ` Nicolas Pitre
2010-03-26 19:52 ` Grant Likely
2010-03-26 23:03 ` Russell King - ARM Linux
2010-03-29 11:24 ` Dave P. Martin
2010-03-30 0:26 ` Jamie Lokier
2010-03-30 13:32 ` Dave P. Martin
2010-03-26 23:00 ` Russell King - ARM Linux
2010-03-31 1:10 ` Ben Dooks
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