[RFC PATCH v3 01/17] ARM: add CONFIG_ARCH_SUNXI_V7 for differentiate ARMv5/v7 Allwinner SoCs

Mesih Kilinc
2018-11-22T15:07:51Z

On 18/11/22 09:26, Maxime Ripard wrote:
> On Wed, Nov 21, 2018 at 09:30:34PM +0300, Mesih Kilinc wrote:
> > Allwinner also has some ARMv5 SoCs.
> >
> > In order to add support for them, add a CONFIG_ARCH_SUNXI_V7 bool config
> > which is selected when a ARMv7 soc is selected, and make CONFIG_ARCH_SUNXI
> > a common option which is selected by both V7 and V5 sunxi option.
> >
> > Signed-off-by: Mesih Kilinc <mesihkilinc@gmail.com>
> > ---
> > arch/arm/mach-sunxi/Kconfig | 23 ++++++++++++++++-------
> > 1 file changed, 16 insertions(+), 7 deletions(-)
> >
> > diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
> > index d9c8ecf..7e5f173 100644
> > --- a/arch/arm/mach-sunxi/Kconfig
> > +++ b/arch/arm/mach-sunxi/Kconfig
> > @@ -6,31 +6,38 @@ menuconfig ARCH_SUNXI
> > select GENERIC_IRQ_CHIP
> > select GPIOLIB
> > select PINCTRL
> > - select PM_OPP
> > select SUN4I_TIMER
> > select RESET_CONTROLLER
> > + help
> > + Support for Allwinner ARM-based family of processors
> >
> > if ARCH_SUNXI
> >
> > +if ARCH_MULTI_V7
> > +
> > +config ARCH_SUNXI_V7
> > + bool
> > + select PM_OPP
> > +
>
> Actually, thinking more about this, I don't see why the PM_OPP config
> option should be made specific to the ARMv7 sunxi SoCs, you will have
> things cpufreq enabled at some point as well on the armv5 support.
>
OK. I was basing this code to the first patch series.
So there will be no need for ARCH_SUNXI_VX configs. Should I drop them
and differantiate IC's by only ARCH_MULTI_VX?

> > config MACH_SUN4I
> > bool "Allwinner A10 (sun4i) SoCs support"
> > - default ARCH_SUNXI
> > + select ARCH_SUNXI_V7
>
> The option is still changed from being on by default to being off by
> default. This breaks all the defconfig, and we really shouldn't change
> that.

OK. I will fix it.

Mesih Veysi K?l?n?