Re: [PATCH v5 05/13] ARM: dts: sun8i: Add R_CPUCFG device node for the A83T dtsi

From: Chen-Yu Tsai
Date: Tue Apr 03 2018 - 05:07:35 EST


On Tue, Apr 3, 2018 at 2:18 PM, MylÃne Josserand
<mylene.josserand@xxxxxxxxxxx> wrote:
> The R_CPUCFG is a collection of registers needed for SMP bringup
> on clusters and cluster's reset.
> For the moment, documentation about this register is found in
> Allwinner's code only.
>
> Signed-off-by: MylÃne Josserand <mylene.josserand@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/sun8i-a83t.dtsi | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> index 32992afa0b12..85f14f4ebeed 100644
> --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> @@ -933,6 +933,11 @@
> #reset-cells = <1>;
> };
>
> + r_cpucfg@1f01c00 {
> + compatible = "allwinner,sun8i-a83t-r-cpucfg";
> + reg = <0x1f01c00 0x100>;

The memory map says that its size is 0x400.

ChenYu