[PATCH v2] arm64: dts: r8a7795: Add GIC-400 virtual interfaces

Geert Uytterhoeven geert at linux-m68k.org
Tue Feb 16 01:55:37 PST 2016


CC Marc

On Tue, Feb 16, 2016 at 10:43 AM, Dirk Behme <dirk.behme at de.bosch.com> wrote:
> Besides the distributor and the CPU interface the GIC-400 additionally
> supports the virtual interface control blocks and the virtual CPU interfaces.
>
> Add the physical base addresses and size for these.
>
> See
>
> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0471b/index.html
> -> 3.2. GIC-400 register map
>
> and Linux kernel's
>
> Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt
>
> for more details.
>
> For the at GICH Virtual interface control blocks at 0xf1040000 cover the
> whole 128kB (0x20000) range. This is done based on the advice from Marc
> Zyngier http://www.spinics.net/lists/arm-kernel/msg483139.html
>
> Signed-off-by: Dirk Behme <dirk.behme at de.bosch.com>

Thanks!

Acked-by: Geert Uytterhoeven <geert+renesas at glider.be>

> ---
> Changes in v2: Extend the GICH size to 128kB.
>
>  arch/arm64/boot/dts/renesas/r8a7795.dtsi | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> index 8f1ed23..65f9cc8 100644
> --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> @@ -130,7 +130,9 @@
>                         #address-cells = <0>;
>                         interrupt-controller;
>                         reg = <0x0 0xf1010000 0 0x1000>,
> -                             <0x0 0xf1020000 0 0x2000>;
> +                             <0x0 0xf1020000 0 0x2000>,
> +                             <0x0 0xf1040000 0 0x20000>,
> +                             <0x0 0xf1060000 0 0x2000>;
>                         interrupts = <GIC_PPI 9
>                                         (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
>                 };
> --
> 2.5.1

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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