[PATCH] ARM: dts: zynq: Add OCM node

Mark Rutland mark.rutland at arm.com
Thu Feb 12 02:26:16 PST 2015


On Thu, Feb 12, 2015 at 10:22:07AM +0000, Michal Simek wrote:
> Add OCM node for all zynq boards. OCM location
> can changed but for all current boards this
> is the location where OCM is.`
> 
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
> 
> This patch is done based on discussion here.
> https://lkml.org/lkml/2014/12/1/396
> 
> There are some ways how to do it.
> OCM location can be changed but board DTS files
> can easily rewrite it.
> The problem which there is that node has address
> in it but maybe someone can suggest better solution.

Given that the node is so simple, can't this be pushed down into the
board files? So long as the label is consistent anything else that's
referring to it should still work.

Thanks,
Mark.

> ---
>  arch/arm/boot/dts/zynq-7000.dtsi | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
> index a5cd2eda3edf..d55a8b365a6c 100644
> --- a/arch/arm/boot/dts/zynq-7000.dtsi
> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
> @@ -150,6 +150,11 @@
>  			reg = <0xf8006000 0x1000>;
>  		};
>  
> +		ocm: sram at fffc0000 {
> +			compatible = "mmio-sram";
> +			reg = <0xfffc0000 0x10000>;
> +		};
> +
>  		uart0: serial at e0000000 {
>  			compatible = "xlnx,xuartps", "cdns,uart-r1p8";
>  			status = "disabled";
> -- 
> 1.8.2.3
> 
> 



More information about the linux-arm-kernel mailing list