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From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 0/9] ARM: multi-platform kconfig cleanup and mach-virt removal
Date: Wed, 12 Feb 2014 18:15:27 +0000	[thread overview]
Message-ID: <20140212181527.GK29132@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <44914279.FnJrZdyuux@wuerfel>

On Wed, Feb 12, 2014 at 06:07:56PM +0000, Arnd Bergmann wrote:
> On Wednesday 12 February 2014 17:16:21 Will Deacon wrote:
> > On Wed, Feb 12, 2014 at 05:11:45PM +0000, Marc Zyngier wrote:
> > > On 12/02/14 16:53, Arnd Bergmann wrote:
> > > > 
> > > > On the topic of V6, we don't support CPU_V6T2 at all, though I assume that
> > > > there is an ARM1156 core tile for integrator and realview, and we support
> > > > running the V6/V6K parts with MMU turned off. Would all revisions of ARM1156
> > > > work with CPU_V6K and !MMU?
> > > 
> > > CPU_V6 and !MMU should work. V6K might, but that requires close
> > > inspection (WFE, SEV shouldn't be used in UP context)...
> > 
> > Well I can boot Debian on my 1136 r0p1 (no v6k) using a v6/v7 kernel, so the
> > lack of MMU shouldn't change that.
> 
> I was more worried about ARM1156 not being a strict superset of V6K, i.e.
> stuff other than the MMU missing from it that the kernel would rely on.

ARM1156 doesn't implement v6k, so you mean subset, right? My point was that
1136 works fine, so the only remaining part should be the lack of MMU.

I can't think of anything else missing, but I've never actually tried
booting one!

Will

  reply	other threads:[~2014-02-12 18:15 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-11 21:11 [PATCH v2 0/9] ARM: multi-platform kconfig cleanup and mach-virt removal Rob Herring
2014-02-11 21:11 ` [PATCH v2 1/9] ARM: centralize common multi-platform kconfig options Rob Herring
2014-02-14 10:40   ` Linus Walleij
2014-02-14 14:02     ` Rob Herring
2014-02-24  9:41       ` Linus Walleij
2014-02-28 18:37   ` Kevin Hilman
2014-02-28 20:15     ` Arnd Bergmann
2014-02-28 20:22       ` Kevin Hilman
2014-02-28 20:33         ` Arnd Bergmann
2014-04-20 10:56           ` Daniel Willmann
2014-02-11 21:11 ` [PATCH 2/9] ARM: select HAVE_SMP for V7 multi-platform Rob Herring
2014-02-14 10:41   ` Linus Walleij
2014-02-11 21:11 ` [PATCH 3/9] ARM: select MIGHT_HAVE_CACHE_L2X0 " Rob Herring
2014-02-12 20:32   ` Stephen Warren
2014-02-13 13:10     ` Rob Herring
2014-02-11 21:11 ` [PATCH 4/9] ARM: Select V6K instead of V6 by default for multi-platform Rob Herring
2014-02-11 21:22   ` Arnd Bergmann
2014-02-11 21:26     ` Rob Herring
2014-02-11 21:27       ` Arnd Bergmann
2014-02-12  4:07   ` Shawn Guo
2014-02-11 21:11 ` [PATCH 5/9] ARM: bcm2835: enable V6K instead of plain V6 Rob Herring
2014-02-11 21:11 ` [PATCH 6/9] ARM: cns3xxx: " Rob Herring
2014-02-11 21:11 ` [PATCH 7/9] ARM: vt8500: " Rob Herring
2014-02-11 21:11 ` [PATCH 8/9] ARM: virt: make mach-virt just a kconfig option Rob Herring
2014-02-12 14:03   ` Marc Zyngier
2014-02-11 21:11 ` [PATCH 9/9] ARM: virt: select ARM_AMBA Rob Herring
2014-02-12 13:26 ` [PATCH v2 0/9] ARM: multi-platform kconfig cleanup and mach-virt removal Arnd Bergmann
2014-02-12 13:46   ` Will Deacon
2014-02-12 14:07     ` Rob Herring
2014-02-12 16:53       ` Arnd Bergmann
2014-02-12 17:11         ` Marc Zyngier
2014-02-12 17:16           ` Will Deacon
2014-02-12 18:07             ` Arnd Bergmann
2014-02-12 18:15               ` Will Deacon [this message]
2014-02-12 18:20                 ` Arnd Bergmann
2014-02-12 20:38 ` Stephen Warren
2014-02-13  2:30 ` Stephen Warren

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