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Re: Testing versatile kernel on Raspberry Pi?



On Tue, 2016-01-26 at 13:53 +0100, Sebastian Reichel wrote:
> On Tue, Jan 26, 2016 at 08:24:16AM +0000, Ian Campbell wrote:
[...]
> > IMHO RPi1 is best supported by Raspbian, or if people really want it in
> > Debian then by armel, but not by an armhf+armel hybrid which involves
> > supporting v6 in some way on armhf.
> 
> I had a few RPi1s running with armel. For simple tasks (e.g.
> network2gpio or i2c) it's more than enough. I wonder if an armel
> -armmp kernel would be worth the trouble. We currently have the
> following armel kernel targets:
> 
> -kirkwood  (multiplatform support since v3.14 (ba5a37e521942))
> -orion5x   (multiplatform support since v4.5 [0])
> -versatile (DT only since v4.5 [0])
> 
> So maybe switch to -armv5 and -armv6 multiplatform kernels from
> v4.5+?

ARMv5 multiplatform would be nice, but we're constrained by the size of
flash partitions on the small machines that are supported so I don't
think this would work.

> -armv5     kirkwood + orion5x + versatile
> -armv6     bcm2036
> 
> [0] http://lkml.iu.edu/hypermail/linux/kernel/1601.2/03005.html

I don't think we're going to add any more hardware support to the armel
port at this stage.

Ben.

-- 
Ben Hutchings
Q.  Which is the greater problem in the world today, ignorance or apathy?
A.  I don't know and I couldn't care less.

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