On Tue, Nov 3, 2015 at 12:19 PM, Liu Gang wrote:
> Layerscape has the same ip block/controller as
> GPIO on powerpc platform(MPC8XXX).
>
> So use portable i/o accessors, as in_be32/out_be32
> accessors are Power architecture specific whereas
> ioread32/iowrite32 and ioread32be/iowrite32be are
> a
On Wednesday 04 November 2015 03:17:38 Scott Wood wrote:
> > I guess this is fixed per architecture, so you could also do this as
> >
> > static inline void gpio_out32(u32 val, void __iomem *addr)
> > {
> > if (IS_ENABLED(CONFIG_ARM))
> > iowrite32(val, addr);
> > else if
On Wed, 2015-11-04 at 09:53 +0100, Arnd Bergmann wrote:
> On Wednesday 04 November 2015 14:48:24 Liu Gang wrote:
> >
> > +static bool gpio_little_endian;
> > +static inline u32 gpio_in32(void __iomem *addr)
> > +{
> > + u32 val;
> > +
> > + if (gpio_little_endian)
> > + val = ioread3
On Wednesday 04 November 2015 14:48:24 Liu Gang wrote:
> Layerscape has the same ip block/controller as
> GPIO on powerpc platform(MPC8XXX).
>
> So use portable i/o accessors, as in_be32/out_be32
> accessors are Power architecture specific whereas
> ioread32/iowrite32 and ioread32be/iowrite32be ar
Layerscape has the same ip block/controller as
GPIO on powerpc platform(MPC8XXX).
So use portable i/o accessors, as in_be32/out_be32
accessors are Power architecture specific whereas
ioread32/iowrite32 and ioread32be/iowrite32be are
available in other architectures.
Layerscape GPIO controller's r
