On Wed, Nov 26, 2014 at 10:30:24AM +0000, Marc Zyngier wrote:
> Hi Liviu,
>
> On 11/11/14 17:32, Liviu Dudau wrote:
> > This adds support for ARM's Juno development board (rev 0).
> > It enables most of the board peripherals: UART, I2C, USB, MMC and
> > 100Mb ethernet. There is no support at the moment for clock setting
> > and HDLCD driver which depends on it.
> >
> > Signed-off-by: Liviu Dudau <Liviu.Dudau@xxxxxxx>
> > ---
> > arch/arm64/boot/dts/arm/Makefile | 1 +
> > arch/arm64/boot/dts/arm/juno-clocks.dtsi | 45 ++++++
> > arch/arm64/boot/dts/arm/juno-motherboard.dtsi | 129 +++++++++++++++
> > arch/arm64/boot/dts/arm/juno.dts | 218 ++++++++++++++++++++++++++
> > 4 files changed, 393 insertions(+)
> > create mode 100644 arch/arm64/boot/dts/arm/juno-clocks.dtsi
> > create mode 100644 arch/arm64/boot/dts/arm/juno-motherboard.dtsi
> > create mode 100644 arch/arm64/boot/dts/arm/juno.dts
> >
>
> [...]
>
> > diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts
> > new file mode 100644
> > index 0000000..097ecc4
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/arm/juno.dts
>
> [...]
>
> > + timer {
> > + compatible = "arm,armv8-timer";
> > + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_EDGE_RISING)>,
> > + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_EDGE_RISING)>,
> > + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_EDGE_RISING)>,
> > + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_EDGE_RISING)>;
> > + };
>
> Sorry, I should have spotted this earlier: all these interrupts are
> *level*, not edge. This happens to work because the GIC's config
> register is RO for PPIs on Juno, but still...
Yes, I've seen your other email to Suravee regarding interrupt triggering and I was trying to
find the relevant bits in Juno to tell me why I've put the info in DT this way. Maybe I *did*
copy-paste this part from FVP DT though.
I will send a patch to Olof to update.
Best regards,
Liviu
>
> Thanks,
>
> M.
> --
> Jazz is not dead. It just smells funny...
>
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
¯\_(ツ)_/¯
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