Hi Andrew,
On Tue, 3 Jun 2014 00:50:11 -0700
Andrew Lunn wrote:
> > We don't support independently power off cpu on BG2 and BG2Q in linux
> > kernel. So we can assume that bootloader has powered on the CPUs
>
> Can i assume from your answer that the hardware does actually support
> independent
> We don't support independently power off cpu on BG2 and BG2Q in linux kernel.
> So we can assume that bootloader has powered on the CPUs
Can i assume from your answer that the hardware does actually support
independent power off/on of CPUs? It could be added sometime in the
future.
Andr
On Tue, 3 Jun 2014 00:10:17 -0700
Antoine Ténart wrote:
> Hi Jisheng,
>
> On Tue, Jun 03, 2014 at 02:31:13PM +0800, Jisheng Zhang wrote:
> > On Mon, 2 Jun 2014 02:21:02 -0700
> > Antoine Ténart wrote:
> > > +
> > > +extern void berlin_secondary_startup(void);
> > > +extern u32 boot_inst;
> > >
Hi Jisheng,
On Tue, Jun 03, 2014 at 02:31:13PM +0800, Jisheng Zhang wrote:
> On Mon, 2 Jun 2014 02:21:02 -0700
> Antoine Ténart wrote:
> > +
> > +extern void berlin_secondary_startup(void);
> > +extern u32 boot_inst;
> > +
> > +static void __iomem *cpu_ctrl;
> > +
> > +static inline void berlin_r
Hi Antoine,
On Mon, 2 Jun 2014 02:21:02 -0700
Antoine Ténart wrote:
> Adds SMP support for Berlin SoCs. Secondary CPUs are reseted, then
> execute the instruction we put in the reset exception register, setting
> the pc at the address contained in the software reset address register,
> which is
Hi Andrew, Antoine,
On Mon, 2 Jun 2014 03:27:50 -0700
Antoine Ténart wrote:
> On Mon, Jun 02, 2014 at 12:03:32PM +0200, Andrew Lunn wrote:
> > On Mon, Jun 02, 2014 at 12:00:48PM +0200, Antoine Ténart wrote:
> > > Hi Andrew,
> > >
> > > On Mon, Jun 02, 2014 at 11:47:15AM +0200, Andrew Lunn wrot
On Mon, Jun 02, 2014 at 12:03:32PM +0200, Andrew Lunn wrote:
> On Mon, Jun 02, 2014 at 12:00:48PM +0200, Antoine Ténart wrote:
> > Hi Andrew,
> >
> > On Mon, Jun 02, 2014 at 11:47:15AM +0200, Andrew Lunn wrote:
> > > On Mon, Jun 02, 2014 at 11:21:02AM +0200, Antoine Ténart wrote:
> > > > +
> > > >
On Mon, Jun 02, 2014 at 12:00:48PM +0200, Antoine Ténart wrote:
> Hi Andrew,
>
> On Mon, Jun 02, 2014 at 11:47:15AM +0200, Andrew Lunn wrote:
> > On Mon, Jun 02, 2014 at 11:21:02AM +0200, Antoine Ténart wrote:
> > > +
> > > +static inline void berlin_reset_cpu(unsigned int cpu)
> > > +{
> > > + u3
Hi Andrew,
On Mon, Jun 02, 2014 at 11:47:15AM +0200, Andrew Lunn wrote:
> On Mon, Jun 02, 2014 at 11:21:02AM +0200, Antoine Ténart wrote:
> > +
> > +static inline void berlin_reset_cpu(unsigned int cpu)
> > +{
> > + u32 val;
> > +
> > + val = readl(cpu_ctrl + CPU_RESET);
> > + val |= BIT(cpu
On Mon, Jun 02, 2014 at 11:21:02AM +0200, Antoine Ténart wrote:
> +
> +static inline void berlin_reset_cpu(unsigned int cpu)
> +{
> + u32 val;
> +
> + val = readl(cpu_ctrl + CPU_RESET);
> + val |= BIT(cpu_logical_map(cpu));
> + writel(val, cpu_ctrl + CPU_RESET);
> +}
Hi Antoine
Is
On Mon, Jun 02, 2014 at 10:29:13AM +0100, Russell King - ARM Linux wrote:
> On Mon, Jun 02, 2014 at 11:21:02AM +0200, Antoine Ténart wrote:
> > diff --git a/arch/arm/mach-berlin/Kconfig b/arch/arm/mach-berlin/Kconfig
> > index d3c5f14dc142..e3733692f67a 100644
> > --- a/arch/arm/mach-berlin/Kconfig
On Mon, Jun 02, 2014 at 11:21:02AM +0200, Antoine Ténart wrote:
> diff --git a/arch/arm/mach-berlin/Kconfig b/arch/arm/mach-berlin/Kconfig
> index d3c5f14dc142..e3733692f67a 100644
> --- a/arch/arm/mach-berlin/Kconfig
> +++ b/arch/arm/mach-berlin/Kconfig
> @@ -4,6 +4,7 @@ config ARCH_BERLIN
>
Adds SMP support for Berlin SoCs. Secondary CPUs are reseted, then
execute the instruction we put in the reset exception register, setting
the pc at the address contained in the software reset address register,
which is the physical address of the Berlin secondary startup.
This implementation avoi
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