Re: [linux-sunxi] [PATCH 2/2] ARM: sun6i: Add SMP support for the Allwinner A31

2013-11-13 Thread Maxime Ripard
On Mon, Nov 11, 2013 at 04:48:05PM +, Ian Campbell wrote: > > > Anyway, once I get to the point of being able to do something I'll > > > coordinate with Marc etc and figure out what to do. In the meantime I > > > think having the kernel do the bringup (like this patch does) is > > > sensible. I

Re: [linux-sunxi] [PATCH 2/2] ARM: sun6i: Add SMP support for the Allwinner A31

2013-11-11 Thread Ian Campbell
On Sun, 2013-11-10 at 11:03 +0100, Maxime Ripard wrote: > Hi Ian, > > On Fri, Nov 08, 2013 at 10:25:55AM +, Ian Campbell wrote: > > On Fri, 2013-11-08 at 09:40 +0100, Maxime Ripard wrote: > > > > I'm trying to work out if we can make this work with the requirement > > > > which both Xen and KV

Re: [linux-sunxi] [PATCH 2/2] ARM: sun6i: Add SMP support for the Allwinner A31

2013-11-10 Thread Maxime Ripard
Hi Ian, On Fri, Nov 08, 2013 at 10:25:55AM +, Ian Campbell wrote: > On Fri, 2013-11-08 at 09:40 +0100, Maxime Ripard wrote: > > > I'm trying to work out if we can make this work with the requirement > > > which both Xen and KVM have to enter the kernel in NS-HYP mode. > > > > > > The way this

Re: [linux-sunxi] [PATCH 2/2] ARM: sun6i: Add SMP support for the Allwinner A31

2013-11-08 Thread Ian Campbell
On Fri, 2013-11-08 at 09:40 +0100, Maxime Ripard wrote: > > I'm trying to work out if we can make this work with the requirement > > which both Xen and KVM have to enter the kernel in NS-HYP mode. > > > > The way this works on e.g. vexpress is (roughly) that u-boot wakes up > > the secondary CPUs

Re: [linux-sunxi] [PATCH 2/2] ARM: sun6i: Add SMP support for the Allwinner A31

2013-11-08 Thread Maxime Ripard
Hi Ian, On Mon, Nov 04, 2013 at 04:53:17PM +, Ian Campbell wrote: > Not a comment on the patch, or even A31, but a question about how the > SMP boot process works on sunxi generally... > > On Sun, 2013-11-03 at 10:30 +0100, Maxime Ripard wrote: > > The A31 is a quad Cortex-A7. Add the logic t

Re: [linux-sunxi] [PATCH 2/2] ARM: sun6i: Add SMP support for the Allwinner A31

2013-11-04 Thread Ian Campbell
Not a comment on the patch, or even A31, but a question about how the SMP boot process works on sunxi generally... On Sun, 2013-11-03 at 10:30 +0100, Maxime Ripard wrote: > The A31 is a quad Cortex-A7. Add the logic to use the IPs used to > control the CPU configuration and the CPU power so that w