[U-Boot] [PATCH 11/13] arm: zynq: dts: Add U-Boot device tree additions

[Michal Simek <monstr@monstr.eu>]

On 08/29/2015 05:10 PM, Simon Glass wrote:
> We need to mark some device tree nodes so that they are available before
> relocation. This enables driver model to find these automatically. In the
> case of SPL it ensures that these nodes will be retained in SPL.
> 
> Signed-off-by: Simon Glass <sjg@chromium.org>
> ---
> 
>  arch/arm/dts/zynq-7000.dtsi       | 1 +
>  arch/arm/dts/zynq-microzed.dts    | 5 +++++
>  arch/arm/dts/zynq-picozed.dts     | 5 +++++
>  arch/arm/dts/zynq-zc702.dts       | 1 +
>  arch/arm/dts/zynq-zc706.dts       | 1 +
>  arch/arm/dts/zynq-zc770-xm010.dts | 1 +
>  arch/arm/dts/zynq-zc770-xm011.dts | 1 +
>  arch/arm/dts/zynq-zc770-xm012.dts | 1 +
>  arch/arm/dts/zynq-zc770-xm013.dts | 1 +
>  arch/arm/dts/zynq-zed.dts         | 1 +
>  arch/arm/dts/zynq-zybo.dts        | 1 +
>  11 files changed, 19 insertions(+)
> 
> diff --git a/arch/arm/dts/zynq-7000.dtsi b/arch/arm/dts/zynq-7000.dtsi
> index 0b62cb0..12614f2 100644
> --- a/arch/arm/dts/zynq-7000.dtsi
> +++ b/arch/arm/dts/zynq-7000.dtsi
> @@ -54,6 +54,7 @@
>  	};
>  
>  	amba: amba {
> +		u-boot,dm-pre-reloc;
>  		compatible = "simple-bus";
>  		#address-cells = <1>;
>  		#size-cells = <1>;
> diff --git a/arch/arm/dts/zynq-microzed.dts b/arch/arm/dts/zynq-microzed.dts
> index c373a2c..5dff18e6 100644
> --- a/arch/arm/dts/zynq-microzed.dts
> +++ b/arch/arm/dts/zynq-microzed.dts
> @@ -21,3 +21,8 @@
>  		reg = <0 0x40000000>;
>  	};
>  };
> +
> +&uart1 {
> +	u-boot,dm-pre-reloc;

Was this reviewed on DT mailing list?

TBH adding this to every node seems to me a lot of work.
Why not just add one more uboot property to chosen with list of IPs
which needs to be relocated?

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform


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