Subject: [PATCH 4/6] ARM: rockchip: enable support for RK3288 SoCs

From: [email-masked] (Will Deacon)
Date: Thu, 17 Jul 2014 11:20:45 +0100

On Wed, Jul 16, 2014 at 08:57:21PM +0100, Doug Anderson wrote:
> Heiko,
> 
> On Tue, Jul 15, 2014 at 4:01 PM, Heiko St?bner <[email-masked]> wrote:
> > Enable HAVE_ARM_ARCH_TIMER and add a rockchip,rk3288 compatible.
> >
> > Signed-off-by: Heiko Stuebner <[email-masked]>
> > ---
> >  arch/arm/mach-rockchip/Kconfig    | 1 +
> >  arch/arm/mach-rockchip/rockchip.c | 1 +
> >  2 files changed, 2 insertions(+)
> >
> > diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
> > index e4564c2..d168669 100644
> > --- a/arch/arm/mach-rockchip/Kconfig
> > +++ b/arch/arm/mach-rockchip/Kconfig
> > @@ -6,6 +6,7 @@ config ARCH_ROCKCHIP
> >         select ARCH_REQUIRE_GPIOLIB
> >         select ARM_GIC
> >         select CACHE_L2X0
> > +       select HAVE_ARM_ARCH_TIMER
> 
> Do we want to think about allowing someone to enable the A9-based
> Rockchip SoCs separately than the A12-based ones?  I know it doesn't
> hurt to have the arch timer code present on A9 SoCs (it will figure
> things out at runtime), but people trying to build an A9-based system
> might not want the extra code?

More likely, people using the A12-based system won't want the CACHE_L2X0
code (which adds an outer_cache.sync check to wmb()).

Will