lkml.org 
[lkml]   [2014]   [Apr]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/5] ARM: dts: Device tree for AXM55xx.
Hi Anders,

On 15/04/14 13:06, Anders Berg wrote:
> Add device tree for the Amarillo validation board with an AXM5516 SoC.
>
> Signed-off-by: Anders Berg <anders.berg@lsi.com>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/axm5516-amarillo.dts | 51 ++++++
> arch/arm/boot/dts/axm5516-cpus.dtsi | 204 ++++++++++++++++++++++
> arch/arm/boot/dts/axm55xx.dtsi | 306 +++++++++++++++++++++++++++++++++
> 4 files changed, 562 insertions(+)
> create mode 100644 arch/arm/boot/dts/axm5516-amarillo.dts
> create mode 100644 arch/arm/boot/dts/axm5516-cpus.dtsi
> create mode 100644 arch/arm/boot/dts/axm55xx.dtsi
>

[...]

> + gic: interrupt-controller@2001001000 {
> + compatible = "arm,cortex-a15-gic";
> + #interrupt-cells = <3>;
> + #address-cells = <0>;
> + interrupt-controller;
> + reg = <0x20 0x01001000 0 0x1000>,
> + <0x20 0x01002000 0 0x1000>,
> + <0x20 0x01004000 0 0x2000>,
> + <0x20 0x01006000 0 0x2000>;
> + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
> + IRQ_TYPE_LEVEL_HIGH)>;
> + };

Given how many CPUs this system has, what's the catch regarding the GIC?
Is there a second one shadowing this one at the same address for another
set of 8 CPUs? Is there an additional mechanism to IPI the other CPUs?

Thanks,

M.
--
Jazz is not dead. It just smells funny...


\
 
 \ /
  Last update: 2014-04-15 15:41    [W:0.106 / U:7.356 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site