Patchwork [v9,5/6] arm64: zynqmp: Add DDRC node

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Submitter Manish Narani
Date Oct. 15, 2018, 5:29 a.m.
Message ID <1539581388-23963-6-git-send-email-manish.narani@xilinx.com>
Download mbox | patch
Permalink /patch/635423/
State New
Headers show

Comments

Manish Narani - Oct. 15, 2018, 5:29 a.m.
Add ddrc memory controller node in dts. The size mentioned in dts is
0x30000, because we need to access DDR_QOS INTR registers located at
0xFD090208 from this driver.

Signed-off-by: Manish Narani <manish.narani@xilinx.com>
---
 arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)
Borislav Petkov - Oct. 17, 2018, 4:52 p.m.
On Mon, Oct 15, 2018 at 10:59:47AM +0530, Manish Narani wrote:
> Add ddrc memory controller node in dts. The size mentioned in dts is
> 0x30000, because we need to access DDR_QOS INTR registers located at
> 0xFD090208 from this driver.
> 
> Signed-off-by: Manish Narani <manish.narani@xilinx.com>
> ---
>  arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index 29ce234..a81d3b16 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -355,6 +355,13 @@
>  			xlnx,bus-width = <64>;
>  		};
>  
> +		mc: memory-controller@fd070000 {
> +			compatible = "xlnx,zynqmp-ddrc-2.40a";
> +			reg = <0x0 0xfd070000 0x0 0x30000>;
> +			interrupt-parent = <&gic>;
> +			interrupts = <0 112 4>;
> +		};
> +
>  		gem0: ethernet@ff0b0000 {
>  			compatible = "cdns,zynqmp-gem", "cdns,gem";
>  			status = "disabled";
> -- 

Still needs DT folks ACK.

Patch

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 29ce234..a81d3b16 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -355,6 +355,13 @@ 
 			xlnx,bus-width = <64>;
 		};
 
+		mc: memory-controller@fd070000 {
+			compatible = "xlnx,zynqmp-ddrc-2.40a";
+			reg = <0x0 0xfd070000 0x0 0x30000>;
+			interrupt-parent = <&gic>;
+			interrupts = <0 112 4>;
+		};
+
 		gem0: ethernet@ff0b0000 {
 			compatible = "cdns,zynqmp-gem", "cdns,gem";
 			status = "disabled";